Title:
PRESSING PUMP CAPABLE OF SELF-ROTATING LOCKING AND UNLOCKING
Document Type and Number:
WIPO Patent Application WO/2024/087707
Kind Code:
A1
Abstract:
A pressing pump capable of self-rotating locking and unlocking, comprising a closure (1), an actuator (2), a stem (3), a sub-stem (4), a piston (5), a body (6), a chaplet (7), a spring (8), and a glass ball (9). The body comprises a flange (61), a chaplet cavity (62), a piston cavity (63), a one-way valve seat (65), and a dip tube interface (66); the stem comprises a lower connecting cavity (31), a liquid outlet channel (32), and driving teeth (33); the pressing pump further comprises a driving pipe fitting (10), and the driving pipe fitting comprises a pipe body (101), a guide stop cavity (102), a ratchet (103), and guide locking blocks (104); the sub-stem is connected to the lower connecting cavity, the stem is inserted into and is in sliding fit with the guide stop cavity of the driving pipe fitting, and the driving teeth are meshed with the ratchet; the upper end of the stem is connected to the liquid outlet channel; in an unlocked state, the guide locking blocks and the driving teeth are in sliding fit with axial guide grooves (714), and in a locked state, the guide locking blocks fit locking notches (7132). The chaplet and the stem use the structure, the driving pipe fitting is provided, the actuator is pressed and then loosened, and under the action of the spring, the driving teeth of the stem enable the driving pipe fitting and the actuator to rotate, so that automatic locking and unlocking are achieved, and the operation is convenient.
Inventors:
LIN TIANDA (CN)
MO HENGJIN (CN)
MO HENGJIN (CN)
Application Number:
PCT/CN2023/103972
Publication Date:
May 02, 2024
Filing Date:
June 29, 2023
Export Citation:
Assignee:
ZHONGSHAN LUENCHEONG DISPENSING PUMP LTD (CN)
International Classes:
B65D47/34; B05B11/10
Foreign References:
| CN115593790A | 2023-01-13 | |||
| CN218618051U | 2023-03-14 | |||
| CN215157231U | 2021-12-14 | |||
| CN211618648U | 2020-10-02 | |||
| CN113060409A | 2021-07-02 | |||
| CN217348991U | 2022-09-02 | |||
| JPH11278525A | 1999-10-12 | |||
| KR20090012318U | 2009-12-03 | |||
| US20130200106A1 | 2013-08-08 |
Attorney, Agent or Firm:
JIAQUAN IP LAW (CN)
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