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Patent Searching and Data


Title:
AIR EXTRACTING PUMP ASSEMBLY AND REFRIGERATING AND FREEZING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/099466
Kind Code:
A1
Abstract:
An air extracting pump assembly (10) and a refrigerating and freezing device. The air extracting pump assembly (10) comprises a seal box (200) and an air extracting pump (300). The seal box (200) comprises a box body (210) having an opening on the upper side, and comprises an upper cover (220) used for sealing and covering the opening on the upper side. Two semicircular notches (211, 221) are formed on each of the upper edge of the side wall of the box body (210) and the lower edge of the side wall of the upper cover (220). When the upper cover (220) is mounted on the box body (210), the two semicircular notches (211) of the box body (210) are opposite to the two semicircular notches (221) of the upper cover (220) in a one-to-one manner, so as to form two pipeline lead-out holes (202, 204). The air extracting pump (300) is disposed in the seal box (200), and an air inlet pipe (310) and an air outlet pipe (320) of the air extracting pump (300) are each led out of the seal box (200) by means of one corresponding pipeline lead-out hole (202, 204). The air extracting pump assembly (10) has low running noise, is very convenient to disassemble and assemble in the refrigerating and freezing device, and the air inlet pipe (310) and the air outlet pipe (320) of the air extracting pump (300) can be conveniently led out of the seal box (200).

Inventors:
XIA ENPIN (CN)
ZHANG HAO (CN)
HE GUOSHUN (CN)
WANG SHENGFEI (CN)
ZHU XIAOBING (CN)
Application Number:
CN2017/114232
Publication Date:
June 07, 2018
Filing Date:
December 01, 2017
Export Citation:
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Assignee:
QINGDAO HAIER JOINT STOCK CO LTD (266101, CN)
International Classes:
F04B39/00; F25D11/02; F25D17/06; F25D23/10
Foreign References:
CN201218181Y2009-04-08
CN1532495A2004-09-29
CN204533077U2015-08-05
CN206290405U2017-06-30
CN106593818A2017-04-26
JPS63233002A1988-09-28
Attorney, Agent or Firm:
SUZHOU WISPRO INTELLECTUAL PROPERTY AGENCY (215028, CN)
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