CN206889693U - A kind of compressor self force type control valve - Google Patents
A kind of compressor self force type control valve Download PDFInfo
- Publication number
- CN206889693U CN206889693U CN201720541428.6U CN201720541428U CN206889693U CN 206889693 U CN206889693 U CN 206889693U CN 201720541428 U CN201720541428 U CN 201720541428U CN 206889693 U CN206889693 U CN 206889693U
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- valve
- steel ball
- sealing ring
- sealing
- compressor
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Abstract
The utility model provides a kind of compressor self force type control valve, it is related to technical field of automobile parts, including lower valve body, lower valve body is provided with the Pd passages connected with the discharge chamber of compressor and the Pc passages connected with the inner chamber of compressor, the junction of Pd passages and Pc passages is provided with valve port, valve port is connected by ball valve sealing, ball valve includes steel ball and spring, steel ball is connected with sealing valve port, spring is fixed and is used to reset steel ball, it is tightly connected between steel ball and valve port by sealing structure, sealing structure includes the second sealing ring of soft the first sealing ring and hard, first sealing ring and the second sealing ring are coaxially disposed with valve port, the diameter of first sealing ring is more than the diameter of the second sealing ring.The utility model can ensure the sealing of steel ball and perforate junction, and when spring stress is uneven, steel ball still can be moved linearly, not influence the sealing of steel ball and perforate junction.
Description
Technical field
It the utility model is related to technical field of automobile parts, and in particular to a kind of compressor self force type control valve.
Background technology
In order to save limited energy resource consumption and improve the comfortableness requirement of air conditioning for automobiles, the wobbler of outside control becomes
Capacity compressors just progressively turn into preferred novel energy-conserving compressor, are that automobile and motor vehicle air conditioning are realized energy-saving and emission-reduction, improved
Temperature adjustment, the Main Means reduce air conditioner noises, reduce engine workload, reducing the functions such as engine fuel consumption,
And realizing the technology that compressor becomes discharge capacity has the application skill of Pneumatic valve and two kinds of external control valve, wherein control valve inside compressor
Art leads over internally piloted valve and gradually forms main flow.
Patent (Authorization Notice No. CN203847366U, authorized announcement date 2014.09.24) discloses air conditioning for automobiles and becomes discharge capacity
The small-sized single-way pneumatic control valve of compressor, including pressure-sensitive, wherein four parts of power transmission, valve and sealing filtering, pressure-sensitive portion
Lower valve body and upper valve body in point form pressure-sensitive chamber by being interference fitted, and experience compressor air suction cavity pressure Ps, upper valve body 6 is fixed
Needle roller in power transmitting portions；3 O-ring seals in sealing filtration fraction are separately mounted in lower valve body and upper valve body, on
Compressor cavity pressure Pc, one end impression compression are experienced in valve inner perforate and the steel ball composition valve port in valve portion, one end
Machine is vented cavity pressure Pd, seating spring stationary balls.
Operation principle is：At work, when automobile thermic load increases, compressor air suction cavity pressure rises compressor, ripple
Line pipe can shorten accordingly after experiencing pressure of inspiration(Pi) Ps, and seating spring resets steel ball, and ball valve is closed, in discharge chamber and compressor
Chamber does not connect, and pressure at expulsion Pd cannot be introduced into compressor inner chamber, and cavity pressure Pc yet by the orifice plate in compressor to suction
Atmospheric pressure Ps is vented, and cavity pressure Pc reduces, and increases the stroke of compressor piston, discharge capacity increase, refrigerating capacity increase；Work as automobile
When thermic load reduces, compressor air suction cavity pressure declines, and bellows can accordingly extend after experiencing pressure of inspiration(Pi) Ps, be passed by power
Part is passed, steel ball top is opened, makes discharge chamber and compressor intracavity inter-connection, pressure at expulsion Pd is rapidly introduced into compressor inner chamber,
Increase cavity pressure Pc, reduce the stroke of compressor piston, discharge capacity reduces, and refrigerating capacity is reduced.
But the utility model has as a drawback that：1st, upper valve body internal openings and the steel ball composition valve port in valve portion,
Steel ball seals by the effect of spring with open-celled rigid, and sealing effectiveness is poor, by direct shadow after the junction gas leakage of steel ball and perforate
Ring the capacity regulating of compressor；2nd, steel ball is directly connected with spring, and when spring stress is uneven, steel ball will not be linearly
Motion, it will just influence the junction sealing of steel ball and perforate.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of compressor self force type control valve, steel ball can be ensured
With the sealing of perforate junction, and when spring stress is uneven steel ball still can linearly move, do not influence steel
Ball and the sealing of perforate junction.
The utility model adopts the following technical scheme that：
A kind of compressor self force type control valve, including lower valve body, the lower valve body is provided with to be connected with the discharge chamber of compressor
Logical Pd passages and the Pc passages connected with the inner chamber of compressor, the junction of the Pd passages and Pc passages are provided with valve port,
The valve port is connected by ball valve sealing, and the ball valve includes steel ball and spring, and the steel ball is connected with the sealing valve port, institute
State spring to fix and be used to reset the steel ball, it is characterised in that close by sealing structure between the steel ball and the valve port
Envelope connection, the sealing structure include the second sealing ring of soft the first sealing ring and hard, first sealing ring and institute
State the second sealing ring to be coaxially disposed with the valve port, the diameter of first sealing ring is more than the straight of second sealing ring
Footpath.
Preferably, first sealing ring is silica gel sealing ring, and second sealing ring is teflin ring.
Preferably, the ball valve also includes steel ball seat and valve seat, and the valve seat is fixedly installed in the Pd passages, described
The spring is provided between valve seat and the steel ball seat, the steel ball is arranged in the steel ball seat, is also set on the valve seat
There is the through hole connected with the Pd passages.
Preferably, on the valve seat along some guide rods that are axially arranged with of the valve port, the steel ball seat be provided with it is described
The guide groove that guide rod is engaged, the guide rod are slideably positioned in the guide groove.
Preferably, circumference of some guide rods along the valve seat is uniformly distributed.
Preferably, the cross section of the guide rod is trapezoidal that the cross section of the guide groove is the ladder being adapted with the guide rod
Shape.
The beneficial effects of the utility model：
(1) the utility model the junction of steel ball and valve port using sealing structure seal, sealing structure by outside silicon
The teflin ring of rubber seal and inner side is collectively forming the structure of soft and hard seal combination, ensures that steel ball connects with valve port
Connect the sealing at place；
(2) during utility model works, steel ball seat by guide groove along the guide rod on valve seat reciprocating, spring stress
Steel ball seat along straight reciprocating motion, can not influence the sealing of steel ball and valve port junction yet when uneven.
Brief description of the drawings
Accompanying drawing is used for providing to preferable understanding of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is a kind of structural representation of compressor self force type control valve of the utility model；
Fig. 2 is the enlarged diagram at the utility model sealing structure；
Fig. 3 is the structural representation of the utility model steel ball seat and valve seat junction.
In figure mark for：1st, lower valve body；2nd, Pd passages；3rd, Pc passages；4th, steel ball；5th, spring；6th, the first sealing ring；7th,
Two sealing rings；8th, steel ball seat；9th, valve seat；10th, guide rod；11st, guide groove.
Embodiment
Specific embodiment of the present utility model is described below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, it is a kind of compressor self force type control valve of the present utility model, including lower valve body 1, lower valve
Body 1 is provided with the Pd passages 2 connected with the discharge chamber of compressor and the Pc passages 3 connected with the inner chamber of compressor, Pd passages 2
Valve port is provided with the junction of Pc passages 3, valve port is connected by ball valve sealing, and ball valve includes steel ball 4 and spring 5, steel ball 4 and valve
Mouth is tightly connected, and spring 5 is fixed and for resetting steel ball 4, it is characterised in that close by sealing structure between steel ball 4 and valve port
Envelope connection, sealing structure include the second sealing ring 7 of soft the first sealing ring 6 and hard, the first sealing ring 6 and the second sealing
Circle 7 is coaxially disposed with valve port, and the diameter of the first sealing ring 6 is more than the diameter of the second sealing ring 7.
First sealing ring 6 is silica gel sealing ring, and the second sealing ring 7 is teflin ring.
Ball valve also includes steel ball seat 8 and valve seat 9, and valve seat 9 is fixedly installed in Pd passages 2, is additionally provided with valve seat 9 and leads to Pd
The through hole that road 2 connects, is provided with spring 5, steel ball 4 is arranged in steel ball seat 8 between valve seat 9 and steel ball seat 8.
On valve seat 9 guide groove being engaged with guide rod 10 is provided with along some guide rods 10 that are axially arranged with of valve port, steel ball seat 8
11, guide rod 10 is slideably positioned in guide groove 11.
Circumference of some guide rods 10 along valve seat 9 is uniformly distributed.
The cross section of guide rod 10 is trapezoidal, and the cross section of guide groove 11 is trapezoidal to be adapted with guide rod 10.
The utility model the junction of steel ball and valve port using sealing structure seal, sealing structure by outside silicon rubber
Sealing ring and the teflin ring of inner side are collectively forming the structure of soft and hard seal combination, ensure steel ball and valve port junction
Sealing；During utility model works, steel ball seat is reciprocating along the guide rod on valve seat by guide groove, and spring stress is not
Steel ball seat along straight reciprocating motion, can not influence the sealing of steel ball and valve port junction yet when uniformly.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, although ginseng
The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., this practicality should be included in
Within new protection domain.
Claims (6)
1. a kind of compressor self force type control valve, including lower valve body, the lower valve body is provided with and connected with the discharge chamber of compressor
Pd passages and the Pc passages that are connected with the inner chamber of compressor, the junction of the Pd passages and Pc passages be provided with valve port, institute
State valve port to connect by ball valve sealing, the ball valve includes steel ball and spring, and the steel ball is connected with the sealing valve port, described
Spring is fixed and is used to reset the steel ball, it is characterised in that is sealed between the steel ball and the valve port by sealing structure
Connection, the sealing structure include the second sealing ring of soft the first sealing ring and hard, first sealing ring and described
Second sealing ring is coaxially disposed with the valve port, and the diameter of first sealing ring is more than the diameter of second sealing ring.
2. a kind of compressor self force type control valve according to claim 1, it is characterised in that first sealing ring is silicon
Glue sealing ring, second sealing ring are teflin ring.
3. a kind of compressor self force type control valve according to claim 1 or 2, it is characterised in that the ball valve also includes
Steel ball seat and valve seat, the valve seat are fixedly installed in the Pd passages, set between the valve seat and the steel ball seat
Spring is stated, the steel ball is arranged in the steel ball seat, and the through hole connected with the Pd passages is additionally provided with the valve seat.
4. a kind of compressor self force type control valve according to claim 3, it is characterised in that along the valve on the valve seat
Mouth is axially arranged with some guide rods, and the steel ball seat is provided with the guide groove being engaged with the guide rod, and the guide rod, which slides, to be set
In in the guide groove.
5. a kind of compressor self force type control valve according to claim 4, it is characterised in that some guide rods are described in
The circumference of valve seat is uniformly distributed.
A kind of 6. compressor self force type control valve according to claim 4 or 5, it is characterised in that the guide rod it is transversal
Face is trapezoidal, and the cross section of the guide groove is trapezoidal to be adapted with the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720541428.6U CN206889693U (en) | 2017-05-16 | 2017-05-16 | A kind of compressor self force type control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720541428.6U CN206889693U (en) | 2017-05-16 | 2017-05-16 | A kind of compressor self force type control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889693U true CN206889693U (en) | 2018-01-16 |
Family
ID=61342391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720541428.6U Expired - Fee Related CN206889693U (en) | 2017-05-16 | 2017-05-16 | A kind of compressor self force type control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206925A (en) * | 2019-06-27 | 2019-09-06 | 无锡明诚汽车部件有限公司 | A kind of respiratory pressure valve |
-
2017
- 2017-05-16 CN CN201720541428.6U patent/CN206889693U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206925A (en) * | 2019-06-27 | 2019-09-06 | 无锡明诚汽车部件有限公司 | A kind of respiratory pressure valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20210516 |