CN103954081B - A kind of Anti-slip type flow check piston - Google Patents

A kind of Anti-slip type flow check piston Download PDF

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Publication number
CN103954081B
CN103954081B CN201410148744.8A CN201410148744A CN103954081B CN 103954081 B CN103954081 B CN 103954081B CN 201410148744 A CN201410148744 A CN 201410148744A CN 103954081 B CN103954081 B CN 103954081B
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China
Prior art keywords
flow check
piston rod
type flow
slip type
piston
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CN201410148744.8A
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CN103954081A (en
Inventor
朱德仲
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Chongqing Dize Machinery Co ltd
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Individual
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Abstract

The invention discloses a kind of Anti-slip type flow check piston, described Anti-slip type flow check piston comprises the fixed muffle of a hollow, the sidewall of described fixed muffle is provided with the water conservancy diversion notch of a rectangle, a regulating sleeve is provided with in described fixed muffle, a dismountable piston rod is provided with in described regulating sleeve, described regulating sleeve comprises the adjustment main body of a cylindrical shape, the head of described adjustment main body is provided with an engaging cylinder, the madial wall of described engaging cylinder is provided with the pinion rack array be made up of pinion rack, the lateral wall of described piston rod is provided with the engagement teeth groove array be made up of engagement teeth groove.The pinion rack array that Anti-slip type flow check piston of the present invention utilizes the engagement teeth groove array on piston rod lateral wall and engages on the madial wall of cylinder, on the one hand, effectively improve the sealing property of piston rod, on the other hand, the circumference that effectively prevent piston rod is rotated or twisting, improve the reliability of flow check piston, structure is simple, practical.

Description

A kind of Anti-slip type flow check piston
Technical field
The present invention relates to a kind of refrigeration plant, or rather, is a kind of Anti-slip type flow check piston.
Background technology
Flow check piston is a kind of throttle device for air-conditioning, for controlling the flow of the cold-producing medium entering into evaporimeter.The sidewall of the piston rod of existing flow check piston is smooth, circumference easily occurs and rotates or twisting, affect the sealing property of flow check piston.
Summary of the invention
The present invention mainly solves the technical problem existing for prior art, thus provides a kind of Anti-slip type flow check piston.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of Anti-slip type flow check piston, described Anti-slip type flow check piston comprises the fixed muffle of a hollow, the sidewall of described fixed muffle is provided with the water conservancy diversion notch of a rectangle, the regulating sleeve of a hollow is provided with in described fixed muffle, a dismountable piston rod is provided with in described regulating sleeve, described regulating sleeve comprises the adjustment main body of a cylindrical shape, the head of described adjustment main body is provided with an engaging cylinder, the afterbody of described adjustment main body is provided with a connecting thread, the madial wall of described engaging cylinder is provided with the pinion rack array be made up of pinion rack, the lateral wall of described piston rod is provided with the engagement teeth groove array be made up of engagement teeth groove, described engagement teeth groove matches with described pinion rack.
As preferred embodiment of the present invention, described piston rod is that melamine rubber is made.
The pinion rack array that Anti-slip type flow check piston of the present invention utilizes the engagement teeth groove array on piston rod lateral wall and engages on the madial wall of cylinder, on the one hand, effectively improve the sealing property of piston rod, on the other hand, the circumference that effectively prevent piston rod is rotated or twisting, improve the reliability of flow check piston, structure is simple, practical.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the perspective view of Anti-slip type flow check piston of the present invention;
Fig. 2 is the stereochemical structure decomposing schematic representation of the Anti-slip type flow check piston in Fig. 1;
Fig. 3 is the details enlarged diagram of the a-quadrant of Anti-slip type flow check piston in Fig. 2;
Wherein,
1, Anti-slip type flow check piston; 2, fixed muffle; 21, water conservancy diversion notch; 3, regulating sleeve; 30, main body is regulated; 31, cylinder is engaged; 311, pinion rack; 32, connecting thread; 4, piston rod; 41, teeth groove is engaged.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
As shown in Figure 1 to Figure 3, Anti-slip type flow check piston 1 of the present invention comprises the fixed muffle 2 of a hollow, the sidewall of this fixed muffle 2 is provided with the water conservancy diversion notch 21 of a rectangle, the regulating sleeve 3 of a hollow is provided with in this fixed muffle 2, a dismountable piston rod 4 is provided with in this regulating sleeve 3, this regulating sleeve 3 comprises the adjustment main body 30 of a cylindrical shape, the head of this adjustment main body 30 is provided with an engaging cylinder 31, the afterbody of this adjustment main body 30 is provided with a connecting thread 32, the madial wall of this engaging cylinder 31 is provided with the pinion rack array be made up of pinion rack 311, the lateral wall of this piston rod 4 is provided with the engagement teeth groove array be made up of engagement teeth groove 41, engagement teeth groove 41 matches with pinion rack 311.
This piston rod 4 is made for melamine rubber.
Be not limited to this, any change of expecting without creative work or replacement, all belong to protection scope of the present invention.The protection domain that protection scope of the present invention limits with claims is as the criterion.

Claims (2)

1. an Anti-slip type flow check piston, it is characterized in that, described Anti-slip type flow check piston (1) comprises the fixed muffle (2) of a hollow, the sidewall of described fixed muffle (2) is provided with the water conservancy diversion notch (21) of a rectangle, the regulating sleeve (3) of a hollow is provided with in described fixed muffle (2), a dismountable piston rod (4) is provided with in described regulating sleeve (3), described regulating sleeve (3) comprises the adjustment main body (30) of a cylindrical shape, the head of described adjustment main body (30) is provided with an engaging cylinder (31), the afterbody of described adjustment main body (30) is provided with a connecting thread (32), the madial wall of described engaging cylinder (31) is provided with the pinion rack array be made up of pinion rack (311), the lateral wall of described piston rod (4) is provided with the engagement teeth groove array be made up of engagement teeth groove (41), described engagement teeth groove (41) matches with described pinion rack (311).
2. Anti-slip type flow check piston according to claim 1, is characterized in that, described piston rod (4) is made for melamine rubber.
CN201410148744.8A 2014-04-15 2014-04-15 A kind of Anti-slip type flow check piston Active CN103954081B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410148744.8A CN103954081B (en) 2014-04-15 2014-04-15 A kind of Anti-slip type flow check piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410148744.8A CN103954081B (en) 2014-04-15 2014-04-15 A kind of Anti-slip type flow check piston

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CN103954081A CN103954081A (en) 2014-07-30
CN103954081B true CN103954081B (en) 2016-03-30

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005080889A1 (en) * 2004-02-19 2005-09-01 Robert Bosch Gmbh Expansion module for a coolant
EP1892488A2 (en) * 2006-08-25 2008-02-27 Tgk Company, Ltd. Expansion device
CN102434700A (en) * 2010-09-22 2012-05-02 株式会社不二工机 Planetary gear mechanism and motor-operated valve using the same
CN203083222U (en) * 2013-01-25 2013-07-24 青岛海尔空调电子有限公司 Demountable one-way throttle pipe assembly
CN103388939A (en) * 2012-05-11 2013-11-13 浙江三花股份有限公司 Electronic expansion valve
CN203848564U (en) * 2014-04-15 2014-09-24 刘旭玲 Anti-slipping throttling piston

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005080889A1 (en) * 2004-02-19 2005-09-01 Robert Bosch Gmbh Expansion module for a coolant
EP1892488A2 (en) * 2006-08-25 2008-02-27 Tgk Company, Ltd. Expansion device
CN102434700A (en) * 2010-09-22 2012-05-02 株式会社不二工机 Planetary gear mechanism and motor-operated valve using the same
CN103388939A (en) * 2012-05-11 2013-11-13 浙江三花股份有限公司 Electronic expansion valve
CN203083222U (en) * 2013-01-25 2013-07-24 青岛海尔空调电子有限公司 Demountable one-way throttle pipe assembly
CN203848564U (en) * 2014-04-15 2014-09-24 刘旭玲 Anti-slipping throttling piston

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