CN206903837U - A kind of compressor with variable displacement control valve - Google Patents
A kind of compressor with variable displacement control valve Download PDFInfo
- Publication number
- CN206903837U CN206903837U CN201720680554.XU CN201720680554U CN206903837U CN 206903837 U CN206903837 U CN 206903837U CN 201720680554 U CN201720680554 U CN 201720680554U CN 206903837 U CN206903837 U CN 206903837U
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- iron core
- adjusting rod
- dynamic iron
- hole
- control valve
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Abstract
The utility model is a kind of compressor with variable displacement control valve, and its structure includes dynamic iron core, adjusting rod；Wherein, it is through hole among dynamic iron core, through hole has side a and b；Adjusting rod is in the through hole among dynamic iron core；The adjusting rod is Step Shaft.The advantages of the utility model：Avoid controlling the unstability of the fitted position of the D end points in the C-terminal face of dynamic iron core and adjusting rod using limiting tool, make the fitted position at the C-terminal face of dynamic iron core and the D ends of adjusting rod precisely controlled, improve the uniformity of air-breathing cavity pressure Ps values in external control valve.
Description
Technical field
The utility model relates to a kind of compressor with variable displacement control valve, belongs to automobile air conditioner compressor technology neck
Domain.
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 Pneumatic valve inside compressor（Internally piloted valve）And external control valve（External control valve）Two kinds, its
In the application technology of outer control valve lead over internally piloted valve and gradually form main flow, in the disclosed A of patent CN 103452813：
Outer control valve is mainly by valve body, valve rod, bonnet, pressure element（Bellows）, back-moving spring, electromagnet（Coil, sound iron
Core）Formed etc. major part, when pressure element experiences air-breathing cavity pressure, valve port is processed on valve rod, the both ends of valve rod respectively at
Dynamic iron core is connected with bellows, there is back-moving spring on valve rod, and after coil electricity, dynamic iron core just produces moves to valve port closing direction
Dynamic thrust, when air-breathing cavity pressure Ps is high, bellows, which is pressurized, to be shunk, then in bellows and dynamic iron core collective effect tenesmus
Close valve port 13, when air-breathing cavity pressure Ps is low, bellows is acted on and expanded by internal spring force, and valve port 13 is opened, swash plate
Cavity pressure Pc is improved, and causes capacity to reduce；The flow of valve port 13 is bigger, and pressure rises faster, and compressor slanting plate is to low-angle side
It is faster to the response speed of adjustment；External control valve is exactly the original according to above input current value and air-breathing cavity pressure as can be seen here
Manage to realize the purpose of the change of compressor air-discharging amount and temperature adjustment.
, it is necessary to assembling to dynamic iron core and adjusting rod in assembling process before the debugging of external control valve pressure of inspiration(Pi) Ps characteristic values
Size afterwards is controlled, and existing structure is that adjusting rod enters from the A side pressures of dynamic iron core, ensures required chi by limiting tool
It is very little；Its shortcoming is：Because existing dynamic iron core 2 and the machining accuracy of the mating holes of adjusting rod 3 are difficult to control, cause the ripple of required size
It is dynamic big, therefore the debugging uniformity of external control valve Ps characteristic values can be by large effect.
Utility model content
The utility model proposes a kind of compressor with variable displacement control valve, its purpose is intended to overcome institute in the prior art
Existing deficiency, it is convenient that adjusting rod 3 and the required size after the assembling of dynamic iron core 2 are controlled during press-fitting.
Technical solution of the present utility model：Compressor with variable displacement control valve, its structure include dynamic iron core 2, regulation
Bar 3；Wherein, it is through hole among dynamic iron core 2, through hole has side a and b；Adjusting rod 3 is in the through hole among dynamic iron core 2；It is described
Adjusting rod 3 is Step Shaft.
The advantages of the utility model：Avoid using limiting tool to control dynamic iron core 2 and required chi after the assembling of adjusting rod 3
Very little unstability, make dynamic iron core 2 and the assembling overall dimensions of adjusting rod 3 precisely controlled, improve suction muffler in external control valve
The uniformity of pressure Ps characteristic values.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of compressor with variable displacement control valve.
Accompanying drawing 2 is the structural representation of the inner via hole of dynamic iron core 2.
Accompanying drawing 3 is the structural representation of adjusting rod 3.
1 is coil in accompanying drawing, and 2 be dynamic iron core, and 3 be adjusting rod, and 4 be fixed core, and 5 be guide pin bushing, and 6 be housing, and 7 be O-ring,
8 be valve rod, and 9 be spring, and 10 be bellows, and 11 be valve body, and 12 be bonnet, and valve port 13,21 is to be full of to coordinate section, and 22 be that press-in avoids
Section, 31 be the use of section, 32 is changeover portion, 33 be interference section.
Embodiment
Compressor with variable displacement control valve, its structure include dynamic iron core 2, adjusting rod 3；Wherein, it is logical among dynamic iron core 2
Hole, through hole have side a and b；Adjusting rod 3 is in the through hole among dynamic iron core 2；The adjusting rod 3 is Step Shaft.
Through hole among the dynamic iron core 2 includes interference fit section 21 and press-in avoids section 22；The adjusting rod 3 includes making
With section 31, changeover portion 32, interference section 33；The both ends of adjusting rod 3 are respectively D end faces and E end faces.
The dynamic iron core 2 controls overall dimensions with adjusting rod 3 using interference fit.
The diameter dimension φ C of D end faces are less than the A ends diameter dimension φ A of the intermediate throughholes of dynamic iron core 2 on the adjusting rod 3；It is dynamic
The A ends diameter dimension φ A of the intermediate throughholes of iron core 2 are less than the B ends diameter dimension of the intermediate throughholes of dynamic iron core 2.
There is displacement transducer the D end faces of the adjusting rod 3 in assembling.
During assembling, the D end faces of adjusting rod 3 load from the B ends of dynamic iron core 2, and the interference section 33 for making adjusting rod 3 by press loads
There is displacement transducer to be detected in real time to the interference fit section 21 of dynamic iron core 2, while in the D end faces of adjusting rod 3, so as to reach
Accurate control to required size after press-fitting；If the A side pressures of through hole enter from dynamic iron core 2 by the E end faces of adjusting rod 3, regulation
The stress point of bar 3 is determined that adjusting rod 3 is more long more easily to bend in its both ends, the arm of force by the overall length of adjusting rod（Become comprising elasticity
Shape and permanent deformation）, required size can not meet to require after causing press-fitting；And by the D end faces of adjusting rod 3 from dynamic iron core through hole
B ends load after be press-fitted, for stress point in its changeover portion 32 and E end faces, the length of the arm of force is unrelated with the overall length of adjusting rod 3,
Determined by the length of interference section 33, it is clear that the B ends of the D end faces of adjusting rod 3 through hole from dynamic iron core carry out press-fitting stress after loading
Situation is more excellent.
The compressor with variable displacement control valve also includes coil 1, fixed core 4, guide pin bushing 5, housing 6, O-ring 7, valve rod 8,
Spring 9, bellows 10, valve body 11, bonnet 12, valve port 13；Wherein, coil 1 is in the periphery of dynamic iron core 2, and fixed core 4 is in dynamic iron core
Before the A ends of 2 through holes, dynamic iron core 2, adjusting rod 3, fixed core 4 are in guide pin bushing 5, and housing 6 is in the periphery of guide pin bushing 5；Spring 9 is mounted in
On valve rod 8；Bellows 10 is in valve body 11, and valve body 11 connects with bonnet 12；Valve rod 8 forms valve port with the joint of valve body 11
13。
During assembling, be fitted into after dynamic iron core 2 and adjusting rod 3 interference fit together with fixed core 4 in guide pin bushing 5, then with housing 6
Fit together, be defined as component one；Spring 9 is subsequently filled into valve body 11 on valve rod 8, is defined as component two；Component one
Component three is formed after being assembled with component two, bellows 10 is fitted into component three, then together with the interference of bonnet 12 press-fitting,
Valve rod 8 the restoring force of bellows 10 and spring 9 effect under with valve body 11 caused by axial gap be valve port 13.
During work, coil 1 produces electromagnetic force after being powered, and moves dynamic iron core 2 and the direction of adjusting rod 3 to fixed core 4, from
And promote valve rod 8 to be moved to the direction equipped with bellows 10, bellows 10 experiences the pressure Ps from compressor air suction chamber simultaneously,
Final bellows 10 produces certain restoring force and reaches balance with electromagnetic force and air-breathing cavity pressure, valve port 13 is kept certain and opens
Degree, after coil 1 powers off, valve port 13 is set to open completely under the force action of bellows 10 and spring 9.
Existing adjusting rod 3 is changed to Step Shaft class by the utility model by optical axis, by the D end faces of adjusting rod 3 during assembling
Enter from the B side pressures of dynamic iron core 2, and examinations are carried out to required size in the D end faces cloth displacement sensor of adjusting rod 3, it is real
The accurate control of required size after being assembled now during press-fitting to adjusting rod 3 and dynamic iron core 2, so as to improve air-breathing in external control valve
The uniformity of cavity pressure Ps characteristic values.
Embodiment 1
Compressor with variable displacement control valve, its structure include dynamic iron core 2, adjusting rod 3；Wherein, it is logical among dynamic iron core 2
Hole, through hole have side a and b；Adjusting rod 3 is in the through hole among dynamic iron core 2；The adjusting rod 3 is Step Shaft.
Through hole among the dynamic iron core 2 avoids section 22 by interference fit section 21 and press-in and formed；The adjusting rod 3 is by making
Formed with section 31, changeover portion 32, interference section 33；The both ends of adjusting rod 3 are respectively D end faces and E end faces.
The diameter dimension φ C of D end faces are less than the A ends diameter dimension φ A of the intermediate throughholes of dynamic iron core 2 on the adjusting rod 3；It is dynamic
The A ends diameter dimension φ A of the intermediate throughholes of iron core 2 are less than the diameter dimension at the B ends of the intermediate throughholes of dynamic iron core 2.
There is displacement transducer the D end faces of the adjusting rod 3.
The outer face at the intermediate throughholes A ends of dynamic iron core 2 is C-terminal face.
Claims (2)
1. compressor with variable displacement control valve, it is characterized in that including dynamic iron core, adjusting rod；Wherein, it is through hole among dynamic iron core, leads to
There is side a and b in hole；Adjusting rod is in the through hole among dynamic iron core；The adjusting rod is Step Shaft；
Through hole among the dynamic iron core includes interference fit section and press-in avoids section；The adjusting rod is including the use of section, transition
Section, interference section；The both ends of adjusting rod are respectively D end faces and E end faces；
The diameter dimension of D end faces is less than the A ends diameter dimension of dynamic iron core intermediate throughholes on the adjusting rod；Dynamic iron core intermediate throughholes
A ends diameter dimension be less than dynamic iron core intermediate throughholes B ends diameter dimension.
2. compressor with variable displacement control valve according to claim 1, it is characterized in that also include coil, fixed core, guide pin bushing,
Housing, O-ring, valve rod, spring, bellows, valve body, bonnet, valve port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720680554.XU CN206903837U (en) | 2017-06-13 | 2017-06-13 | A kind of compressor with variable displacement control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720680554.XU CN206903837U (en) | 2017-06-13 | 2017-06-13 | A kind of compressor with variable displacement control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206903837U true CN206903837U (en) | 2018-01-19 |
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ID=61287761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720680554.XU Active CN206903837U (en) | 2017-06-13 | 2017-06-13 | A kind of compressor with variable displacement control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206903837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017395A (en) * | 2019-05-12 | 2019-07-16 | 苏州新智机电工业有限公司 | A kind of compressor with variable displacement external control valve |
-
2017
- 2017-06-13 CN CN201720680554.XU patent/CN206903837U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017395A (en) * | 2019-05-12 | 2019-07-16 | 苏州新智机电工业有限公司 | A kind of compressor with variable displacement external control valve |
| CN110017395B (en) * | 2019-05-12 | 2024-02-06 | 苏州新智机电工业有限公司 | External control valve for variable displacement compressor |
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