CN110030379A - A kind of bellows and the automobile air conditioner compressor solenoid valve with the bellows - Google Patents
A kind of bellows and the automobile air conditioner compressor solenoid valve with the bellows Download PDFInfo
- Publication number
- CN110030379A CN110030379A CN201910309864.4A CN201910309864A CN110030379A CN 110030379 A CN110030379 A CN 110030379A CN 201910309864 A CN201910309864 A CN 201910309864A CN 110030379 A CN110030379 A CN 110030379A
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- China
- Prior art keywords
- bellows
- solenoid valve
- guide part
- tube body
- ripple tube
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J3/00—Diaphragms; Bellows; Bellows pistons
- F16J3/04—Bellows
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Fluid-Driven Valves (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses a kind of bellows, including ripple tube body, one end of ripple tube body is open end, and the other end is closed end, and closed end is equipped with the interconnecting piece being connected for the spool with solenoid valve.The bellows it is closed at one end, the other end open wide, form open bellows, bellows made to remain its external and internal pressure state.When the bellows is applied to automobile air conditioner compressor solenoid valve, as long as setting the initial set value of solenoid valve electromagnetic force, so that it may control the electromagnetic force of initial set value by automobile engine ECU to guarantee the opening and closing of solenoid valve valve.The closed bellows of vacuum welding in compared with the prior art, as bellows uses the growth of time, the external and internal pressure state of bellows will not change, thus it is guaranteed that the precision of valve opening and closing, it is ensured that the stability of solenoid valve function.The invention also discloses a kind of automobile air conditioner compressor solenoid valves including above-mentioned bellows.
Description
Technical field
The present invention relates to elastic sensing element technical fields, more specifically to a kind of bellows.In addition, of the invention
Further relate to a kind of solenoid valve including above-mentioned bellows.
Background technique
Automobile air conditioner compressor solenoid valve in the prior art, generallys use vacuum welding bellows, carrys out induced electricity magnet valve
Pressure of inspiration(Pi), and combine electromagnetic coil electromagnetic force, the opening and closing of co- controlling valve.
The both ends of vacuum welding bellows usually form closed bellows, closed ripple by way of welding end cap
The inside of pipe is vacuum state, under the variation of ambient pressure, the elongation of vacuum welding bellows or contraction.
Stroke when automobile engine ECU is according to vacuum welding bellows induction pressure, controls the size of electromagnetic force, with
The electromagnetic force of solenoid valve is set to work under initial set value, so that the correction in electromagnetic force and vacuum welding bellows acts on
Under, the accurate control of solenoid valve valve is realized in the accurate opening and closing of common guarantee valve.
However, with the increase of use time, welding position is damaged, reveals, it will be in breaking vacuum welding bellows
The vacuum state in portion causes the precision of bellows to drop so that bellows incudes the displacement exported when ambient pressure and changes
It is low, correction effect failure.And at this moment, automobile engine ECU still controls electromagnetic force and works under initial set value, then without
The opening and closing of method precision control valve door, to make the reduction of solenoid valve function, or even failure.
It is current this field in conclusion how to provide a kind of bellows of functional stabilization for being able to maintain solenoid valve
Technical staff's urgent problem to be solved.
Summary of the invention
In view of this, the bellows can remain its external and internal pressure the object of the present invention is to provide a kind of bellows
Therefore state can't fail with the increase of use time.When by the bellows be applied to automobile air conditioner compressor electromagnetism
When valve, it can be ensured that the stability of the solenoid valve.
It is a further object of the present invention to provide a kind of automobile air conditioner compressor solenoid valve including above-mentioned bellows, valves
It is high to control precision, performance is stablized.
To achieve the goals above, the invention provides the following technical scheme:
A kind of bellows, including ripple tube body, one end of the ripple tube body are open end, and the other end is closing
End, the closed end are equipped with the interconnecting piece abutted against for the spool with solenoid valve.
Preferably, the interconnecting piece includes the groove for accommodating spool end.
Preferably, the bottom of the groove is equipped with guide part, and the guide part is along the axial from institute of the ripple tube body
The bottom of groove is stated to the internal stretch of the ripple tube body.
Preferably, the guide part is arranged with spring.
Preferably, the axis collinear of the center line of the groove, the center line of the guide part and the ripple tube body.
Preferably, the guide part has default taper, and the diameter of the guide part towards the closed end is greater than described
Diameter of the guide part towards the open end.
Preferably, the guide part is the hollow guide post to connect with the slot bottom of the groove.
Preferably, the ripple tube body, the groove and the hollow guide post are an integral molding structure.
Preferably, the length range of the guide part is 4th/2nd to five/5ths of the bellows body length.
A kind of automobile air conditioner compressor solenoid valve, including bellows, the bellows are any one of the above bellows.
Bellows provided by the invention, closed at one end, the other end opens wide, and forms open bellows, makes bellows always
Opening-wide state is kept, so that the external and internal pressure of bellows be made to keep balance.
Therefore, when the open bellows is applied to automobile air conditioner compressor solenoid valve, as long as setting automobile hair
The initial set value that motivation ECU controls solenoid valve electromagnetic force, so that it may pass through the electromagnetic force of the control initial set value always
To guarantee the precision of solenoid valve valve opening and closing.The closed bellows of vacuum welding in compared with the prior art, with bellows
Using the growth of time, the external and internal pressure state of the bellows in the application can't change, it may therefore be assured that automobile
The control precision of compressor of air conditioner solenoid valve valve opening and closing keeps the stability of solenoid valve function.
Automobile air conditioner compressor solenoid valve provided by the invention, including above-mentioned bellows, valve control precision height, and performance is steady
It is fixed.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of bellows specific embodiment one provided by the present invention；
Fig. 2 is the structural schematic diagram of bellows specific embodiment two provided by the present invention.
Appended drawing reference in Fig. 1 and Fig. 2 is as follows:
1 it is ripple tube body, 11 be groove, 12 be hollow guide post, 2 is spring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of bellows, which can remain its external and internal pressure state, therefore,
It can't fail with the increase of use time.It, can be true when the bellows is applied to automobile air conditioner compressor solenoid valve
Protect the stability of the solenoid valve.Another core of the invention is to provide a kind of air conditioning for automobiles compression including above-mentioned bellows
Electromechanical magnet valve, valve control precision height, and performance is stablized.
Fig. 1-Fig. 2 is please referred to, Fig. 1 is the structural schematic diagram of bellows specific embodiment one provided by the present invention；Fig. 2 is
The structural schematic diagram of bellows specific embodiment two provided by the present invention.
The present invention provides a kind of bellows, including ripple tube body 1, and one end of ripple tube body 1 is open end, the other end
For closed end, closed end is equipped with the interconnecting piece abutted against for the spool with solenoid valve.
It should be noted that bellows provided by the invention is mainly used for automobile air conditioner compressor solenoid valve, it is existing to replace
There is the closed bellows of vacuum welding in technology in automobile air conditioner compressor solenoid valve.
Specifically, ripple tube body 1 is primarily referred to as main structure of the bellows in addition to both ends, and the present invention is mainly to existing
There are the both ends of the closed bellows of the vacuum welding in technology to improve.
One end of bellows in the present invention is open end, and the other end is closed end, that is, one end of ripple tube body 1
Closing, the other end open wide, form open bellows, bellows is made to remain opening-wide state, to make the inside and outside of bellows
Pressure keeps balance.
Therefore, when the open bellows is applied to automobile air conditioner compressor solenoid valve, as long as setting automobile hair
The initial set value that motivation ECU controls solenoid valve electromagnetic force, so that it may pass through the electromagnetic force of the control initial set value always
To guarantee the precision of solenoid valve valve opening and closing.The closed bellows of vacuum welding in compared with the prior art, with bellows
Using the growth of time, the external and internal pressure state of the bellows in the application can't change, it may therefore be assured that automobile
The control precision of compressor of air conditioner solenoid valve valve opening and closing keeps the stability of solenoid valve function.
It is understood that when bellows is applied to automobile air conditioner compressor solenoid valve, the closing of ripple tube body 1
End contacts simultaneously transmission force with spool end for accepting spool end towards spool, interconnecting piece.The end seal of bellows is closed, with
Guarantee the harmony of bellows entirety stress.
The closed end of ripple tube body 1 can also make closed end and ripple tube body 1 logical by welding end cap closing
It crosses and is integrally machined molding acquisition, or realize the connection of closed end end cap and ripple tube body by flanged joint, do not do specifically
It limits.
It is understood that welding end cap master when bellows open bellows closed for open at one end, the other end
It is used for transmission force, does not need stringent sealing effect, therefore, welding quality is of less demanding.And use closed end and wave
When line tube body 1 is integrally machined molding, it can avoid using welding procedure, the whole stress of bellows is more balanced, and function is more steady
It is fixed.
Preferably, interconnecting piece includes the groove 11 for cooperating with spool, and groove 11 passes through for accommodating spool end
The cooperation of groove 11 and spool realizes that the power of bellows and spool is transmitted.
It is resetted after stretching for the ease of bellows, on the basis of above-described embodiment, the inside of ripple tube body 1 is equipped with
Spring 2.
2 one side of spring can be used for after driving bellows dilatation resetting, and on the other hand, can also increase bellows
Elasticity.
In order to avoid being located at 2 bending deformation of spring inside ripple tube body 1, ripple tube body 1 is applied perpendicular to it
Axial transverse pressure, and then valve opening and closing is impacted, as a preferred embodiment, the inside of ripple tube body 1 is equipped with
Guide part, guide part are used for sheathed spring 2, and guide part is connected with the bottom of the groove 11 of interconnecting piece, and along ripple tube body 1
Axis direction, from the bottom of groove 11 to the internal stretch of ripple tube body 1.
It is understood that considering the stability that guide part is oriented to spring 2, it is preferable that the outer diameter and bullet of guide part
The internal diameter of spring 2 is consistent, and the stationarity of the movement of spring 2 is ensured with the straightness by guide part.
On the other hand, for the ease of the installation of spring 2, it is preferable that guide part has default taper, guide part direction closing
The diameter at end is greater than diameter of the guide part towards open end, and preferably, guide part is towards in the diameter and spring 2 of closed end
Diameter is equal, using the guide part of this structure, not only can play preferable guiding role to spring 2, but also may insure that spring 2 is pacified
The convenience of dress.
Without limitation to the size of default taper, those skilled in the art can select the present invention according to actual needs.
In view of the harmony of power transmitting, on the basis of above-described embodiment, in the center line of groove 11, guide part
The axis collinear of heart line and ripple tube body 1.
That is, ripple tube body 1, interconnecting piece and guide part are concentric in the axial direction, so that it is guaranteed that ripple tube body 1 and spring
The consistency and harmony of 2 stress.
Preferably, guide part is the hollow guide post 12 to connect with the slot bottom of groove 11.That is, guide part is opened for one end
The hollow structure of mouth, the open end of guide part and the slot bottom of groove 11 connect.
In view of the stability of structure, it is preferable that ripple tube body 1, groove 11 and hollow guide post 12 are integrally formed
Structure.
That is, groove 11 and hollow guide post 12 form the closed end of ripple tube body 1, and integrally with ripple tube body 1
Machine-shaping.
It should be noted that the present invention to the specific length of guide part without limitation, the length of guide part is longer, guiding
It is better to act on, it is preferable that the length range of guide part is 1 length of ripple tube body 2/5ths to 1 length of ripple tube body
4/5ths.
In addition to above-mentioned bellows, the present invention also provides a kind of air conditioning for automobiles pressures including bellows disclosed in above-described embodiment
Contract electromechanical magnet valve, and refer to the prior art for the structure of other each sections of the automobile air conditioner compressor solenoid valve, no longer superfluous herein
It states.
It, can be by controlling the electromagnetic force of the initial set value it is understood that the automobile air conditioner compressor solenoid valve
To guarantee the precision of solenoid valve valve opening and closing.Using the air conditioning for automobiles of the closed bellows of vacuum welding in compared with the prior art
Compressor solenoid valve can't influence the precision of valve opening and closing with the destruction of bellows vacuum state, and therefore, the automobile is empty
The valve control precision of the electromechanical magnet valve of pressure regulation contracting is high, and performance is stablized.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The automobile air conditioner compressor solenoid valve to bellows provided by the present invention and with the bellows carries out above
It is discussed in detail.Used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention.It should be pointed out that for the common skill of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for art personnel, these change
It is also fallen within the protection scope of the claims of the present invention into modification.
Claims (10)
1. a kind of bellows, which is characterized in that including ripple tube body (1), one end of the ripple tube body (1) is opening
End, the other end is closed end, and the closed end is equipped with the interconnecting piece abutted against for the spool with solenoid valve.
2. bellows according to claim 1, which is characterized in that the interconnecting piece includes for accommodating the recessed of spool end
Slot (11).
3. bellows according to claim 2, which is characterized in that the bottom of the groove (11) is equipped with guide part, described
Guide part is along the axial from the bottom of the groove (11) to the inside of the ripple tube body (1) of the ripple tube body (1)
Extend.
4. bellows according to claim 3, which is characterized in that the guide part is arranged with spring (2).
5. bellows according to claim 3, which is characterized in that the center line of the groove (11), the guide part
The axis collinear of center line and the ripple tube body (1).
6. bellows according to claim 3, which is characterized in that the guide part has default taper, the guide part
It is greater than diameter of the guide part towards the open end towards the diameter of the closed end.
7. according to the described in any item bellowss of claim 3-6, which is characterized in that the guide part be and the groove (11)
The hollow guide post (12) that connects of slot bottom.
8. bellows according to claim 7, which is characterized in that the ripple tube body (1), the groove (11) and institute
Hollow guide post (12) is stated to be an integral molding structure.
9. bellows according to claim 7, which is characterized in that the length range of the guide part is the bellows sheet
4th/2nd to five/5ths of body (1) length.
10. a kind of automobile air conditioner compressor solenoid valve, including bellows, which is characterized in that the bellows is claim 1-9
Described in any item bellowss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910309864.4A CN110030379B (en) | 2019-04-17 | 2019-04-17 | Corrugated pipe and automobile air conditioner compressor electromagnetic valve with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910309864.4A CN110030379B (en) | 2019-04-17 | 2019-04-17 | Corrugated pipe and automobile air conditioner compressor electromagnetic valve with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110030379A true CN110030379A (en) | 2019-07-19 |
| CN110030379B CN110030379B (en) | 2021-07-06 |
Family
ID=67239003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910309864.4A Active CN110030379B (en) | 2019-04-17 | 2019-04-17 | Corrugated pipe and automobile air conditioner compressor electromagnetic valve with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110030379B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2160039Y (en) * | 1993-04-29 | 1994-03-30 | 李培隆 | Foot pedal hydraulic valve |
| CN1277663A (en) * | 1998-09-16 | 2000-12-20 | 株式会社鹭宫制作所 | Bellows type pressure responding valve |
| CN2613393Y (en) * | 2003-04-02 | 2004-04-28 | 苏州新智机电工业有限公司 | Control valve for displacement changeable air conditioner of car |
| CN2641321Y (en) * | 2003-05-28 | 2004-09-15 | 苏州新智机电工业有限公司 | Sylphone bellows component for control valve of variable displacement compressor |
| CN1776277A (en) * | 2004-11-15 | 2006-05-24 | 三菱电机株式会社 | Electromagnetic valve for flow control |
| DE102006025552A1 (en) * | 2006-06-01 | 2007-12-13 | Hydac Technology Gmbh | Hydro-pneumatic pressure store, with moving bellows between the gas and oil zones, has a closure at the bellows free end to open and close the housing opening |
| WO2010081008A1 (en) * | 2009-01-09 | 2010-07-15 | Simmons Tom M | Bellows plungers having one or more helically extending features, pumps including such bellows plungers and related methods |
| CN101809288A (en) * | 2007-09-26 | 2010-08-18 | 三电有限公司 | Displacement control system for variable displacement compressor |
| CN202914318U (en) * | 2012-11-06 | 2013-05-01 | 浙江新劲空调设备有限公司 | Vortex control valve |
-
2019
- 2019-04-17 CN CN201910309864.4A patent/CN110030379B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2160039Y (en) * | 1993-04-29 | 1994-03-30 | 李培隆 | Foot pedal hydraulic valve |
| CN1277663A (en) * | 1998-09-16 | 2000-12-20 | 株式会社鹭宫制作所 | Bellows type pressure responding valve |
| CN2613393Y (en) * | 2003-04-02 | 2004-04-28 | 苏州新智机电工业有限公司 | Control valve for displacement changeable air conditioner of car |
| CN2641321Y (en) * | 2003-05-28 | 2004-09-15 | 苏州新智机电工业有限公司 | Sylphone bellows component for control valve of variable displacement compressor |
| CN1776277A (en) * | 2004-11-15 | 2006-05-24 | 三菱电机株式会社 | Electromagnetic valve for flow control |
| DE102006025552A1 (en) * | 2006-06-01 | 2007-12-13 | Hydac Technology Gmbh | Hydro-pneumatic pressure store, with moving bellows between the gas and oil zones, has a closure at the bellows free end to open and close the housing opening |
| CN101809288A (en) * | 2007-09-26 | 2010-08-18 | 三电有限公司 | Displacement control system for variable displacement compressor |
| WO2010081008A1 (en) * | 2009-01-09 | 2010-07-15 | Simmons Tom M | Bellows plungers having one or more helically extending features, pumps including such bellows plungers and related methods |
| CN202914318U (en) * | 2012-11-06 | 2013-05-01 | 浙江新劲空调设备有限公司 | Vortex control valve |
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| Publication number | Publication date |
|---|---|
| CN110030379B (en) | 2021-07-06 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210610 Address after: Room 22301-1583, building 14, No. 498, GuoShouJing Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Applicant after: Shanghai Jinwei Instrument Equipment Co.,Ltd. Address before: 201715 Building 2, no.468, Sanfeng Road, Liantang Town, Qingpu District, Shanghai Applicant before: GENWILL AUTO(SHANGHAI)CO. Ltd. |
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