CN207005350U - Four-way reversing valve and its main valve, the slide block assembly of main valve - Google Patents
Four-way reversing valve and its main valve, the slide block assembly of main valve Download PDFInfo
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- CN207005350U CN207005350U CN201720937218.9U CN201720937218U CN207005350U CN 207005350 U CN207005350 U CN 207005350U CN 201720937218 U CN201720937218 U CN 201720937218U CN 207005350 U CN207005350 U CN 207005350U
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- valve
- support member
- sliding block
- slide block
- block assembly
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Abstract
The utility model discloses a kind of four-way reversing valve and its main valve, the slide block assembly of main valve, the slide block assembly includes sliding block and support member；The middle part of the sliding block has through the inner chamber of bottom surface, and the bottom surface surrounding portion of the sliding block has the sealing surface being bonded with the valve seat of the four-way reversing valve；The support member is arcuate structure close to the medial extremity of the slider top, and outboard end of the support member away from the slider top has planar structure；The both ends of the support member respectively with the sliding block two side week portion fix, wherein, the arcuate structure is towards the inner chamber, and the planar structure is located at the inner side of the sealing surface.The structure design of the slide block assembly improves the circulating channel structure in sliding block cavity, can reduce the energy loss in refrigerant flow process, can increase flow under the same conditions, reaches the purpose of energy efficiency.
Description
Technical field
It the utility model is related to and be used for refrigeration control field, more particularly to a kind of four-way reversing valve and its main valve, main valve
Slide block assembly.
Background technology
Fig. 1 is refer to, Fig. 1 is a kind of structural representation of the main valve of typical four-way reversing valve.
The main valve of four-way reversing valve includes valve body 11, has the normal open adapter being connected with exhaust outlet of compressor on valve body 11
D (being higher-pressure region), the middle position adapter S being connected with compressor air suction mouth (being low-pressure area), is connected with indoor heat converter
The other position adapter E connect, the other position adapter C being connected with outdoor heat converter.
The both ends sealing of valve body 11 has end cap 12, and the internal welding of valve body 11 is connected to valve seat 13, is additionally provided with valve body 11 and passes through company
The slide block assembly 15 and a pair of pistons 16 that bar 14 is connected as a single entity；Wherein, the sliding block of valve seat 13 and slide block assembly 15 partners fortune
Dynamic pair, piston 16 and valve body 11 form another pair kinematic pair, and the inner chamber of valve body 11 is divided into left, center, right three by piston 16
Individual chamber.
During refrigeration, under the pilot valve effect of four-way reversing valve, slide block assembly 15 moves to the left, makes other position adapter E with
Position adapter S-phase is led to, and normal open adapter D communicates with other position adapter C；During heating, under the pilot valve effect of four-way reversing valve, slide block assembly
15 move to the right, other position adapter C is led to middle position adapter S-phase, and normal open adapter D communicates with other position adapter E.
Please also refer to Fig. 2 and Fig. 3, Fig. 2 is the diagrammatic cross-section of slide block assembly in Fig. 1；Fig. 3 is Fig. 2 top view.
Slide block assembly 15 includes sliding block 151 and support roller 152.Generally, sliding block 151 is made of plastics, and sliding block 151 is overall to be in
Rectangle structure, middle part have cavity, and so that refrigerant flows, surrounding portion has the sealing surface being engaged with valve seat 13.Support
Roller 152 is club shaped structure, positioned at the middle part of sliding block 151, its both ends be press-fitted respectively sliding block 151 two side week portion, here
Side week, portion referred to the longer side portion of sliding block 151.
Support roller 152 is generally made up of metal material, on the one hand plays a part of improving the intensity of sliding block 151, on the other hand
Play a part of water conservancy diversion, the refrigerant between other position adapter E or C and middle position adapter S is preferably circulated, avoid flowing back.
However, when finding that refrigerant flows in the cavity of sliding block 151 in actual use, the problem of flow loss is big be present.
Therefore, existing structure how is improved, energy loss of the refrigerant in flowing is reduced, is that those skilled in the art are current
The technical issues that need to address.
Utility model content
The purpose of this utility model is to provide a kind of four-way reversing valve and its main valve, the slide block assembly of main valve, the sliding block group
The structure design of part improves the circulating channel structure in sliding block cavity, can reduce the energy loss in refrigerant flow process,
Flow can be increased under the same conditions, reach the purpose of energy efficiency.
In order to solve the above technical problems, the utility model provides a kind of slide block assembly of main valve for four-way reversing valve,
Including sliding block and support member；The middle part of the sliding block has through the inner chamber of bottom surface, the bottom surface surrounding portion of the sliding block have with
The sealing surface of the valve seat fitting of the four-way reversing valve；The support member is arc knot close to the medial extremity of the slider top
Structure, outboard end of the support member away from the slider top have planar structure；The both ends of the support member respectively with it is described
Sliding block two side week portion fix, wherein, the arcuate structure is towards the inner chamber, and the planar structure is located at the sealing
The inner side in face.
As above, the slide block assembly of main valve provided by the utility model, the structure of support member is improved, support member court
It is arcuate structure to the inner side of sliding block inner chamber, outside has planar structure, after so setting, after refrigerant flows into sliding block inner chamber,
It is readily flowed and will not flow back under the guiding of support member arcuate structure, in addition, when around support member, because support member is outer
Side has planar structure, and compared with the club shaped structure in background technology, refrigerant forms the probability of turbulent flow in support member position
Greatly reduce, correspondingly, the flow resistance of refrigerant flowing reduces, and can efficiently reduce the energy loss in flow process, passes through
Verification experimental verification, under the same conditions, cold medium flux can increase by 6%, reach the purpose of energy efficiency.
The section of the support member is D-shaped.
The section of the support member takes the shape of the letter U.
The support member is the support member that plate stamping is formed.
The planar structure of the support member be arranged in parallel with the sealing surface.
The support member is one, and the support member is fixed on the middle part of the sliding block.
The utility model also provides a kind of main valve of four-way reversing valve, including valve body, valve seat, slide block assembly, connecting rod and one
To piston, the valve seat is fixed on the valve inner, and the slide block assembly and the pair of piston are linked as by the connecting rod
One, the sliding block of the valve seat and the slide block assembly form a pair of kinematic pairs；The slide block assembly is any of the above-described
Described slide block assembly.
Because above-mentioned slide block assembly has above-mentioned technique effect, so the main valve with the slide block assembly is also with corresponding
Technique effect, it is not repeated to discuss herein.
The utility model also provides a kind of four-way reversing valve, including main valve and the pilot valve that is connected with the main valve, the master
Valve is main valve described above.
The four-way reversing valve has and above-mentioned main valve identical technique effect.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the main valve for four-way reversing valve that applicant uses at present；
Fig. 2 is the diagrammatic cross-section of slide block assembly in Fig. 1；
Fig. 3 is Fig. 2 top view；
Fig. 4 provides four-way reversing valve a kind of structural representation of specific embodiment by the utility model；
Fig. 5 is the diagrammatic cross-section of the slide block assembly of main valve shown in Fig. 4；
Fig. 6 is Fig. 5 top view；
Fig. 7 is the diagrammatic cross-section of support member shown in Fig. 5.
One-to-one relationships of the Fig. 1 into Fig. 3 between component names and reference is as follows：
Valve body 11, end cap 12, valve seat 13, connecting rod 14, slide block assembly 15, sliding block 151, support roller 152, piston 16；
One-to-one relationships of the Fig. 4 into Fig. 7 between component names and reference is as follows：
Main valve 20, valve body 21, end cap 22, valve seat 23, connecting rod 24, slide block assembly 25, sliding block 251, sealing surface 251a, support
Part 252, planar structure 252a, piston 26；
Pilot valve 30, sleeve pipe 31, small valve body 32, end socket 33, small valve seat 34, core iron 35, returning spring 36, trailing frame 37, spring
Piece 38, sliding bowl 39；
Magnet coil 40, compressor 50, indoor heat exchanger 60, outdoor heat exchanger 70.
Embodiment
Core of the present utility model is to provide a kind of four-way reversing valve and its main valve, the slide block assembly of main valve, the sliding block group
The structure design of part improves the circulating channel structure in sliding block cavity, can reduce the energy loss in refrigerant flow process,
Flow can be increased under the same conditions, reach the purpose of energy efficiency.
In order that those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in further detail for mode.
It is succinct for ease of understanding and describing, said in the lump below in conjunction with four-way reversing valve and its main valve, the slide block assembly of main valve
Bright, beneficial effect part is not repeated to discuss.
Fig. 4 is refer to, Fig. 4 provides four-way reversing valve a kind of structural representation of specific embodiment by the utility model.
Four-way reversing valve includes main valve 20 and the pilot valve 30 connected with main valve 20, in refrigeration systems, between by compressor
50th, in the coolant loop that condenser, indoor heat converter 60 and outdoor heat converter 70 are formed.Coolant loop is made by main valve 20
Switching direction, carry out the switching of cooling and warming.
The main valve 20 of four-way reversing valve includes the valve body 21 of cylinder-like structure, has be connected with the exhaust outlet of compressor 50 thereon
The normal open adapter D (being higher-pressure region) connect, the middle position adapter S being connected with the air entry of compressor 50 (being low-pressure area), with room
The other position adapter E that inside heat exchanger 60 is connected, the other position adapter C being connected with outdoor heat converter 70.
The both ends of the valve body 21 are connected with end cap 22, and inside is fixed with valve seat 23, and the fixed form of welding is usually taken；Valve
There are the slide block assembly 25 being connected by connecting rod 24 and a pair of pistons 26 in body 21.
Wherein, the sliding block 251 of valve seat 23 and slide block assembly 25 partners kinematic pair, and piston 26 and valve body 21 form another
To kinematic pair, by piston 26 by the cavity of main valve 20 be separated into left (E sides), in, right (C sides) three chambers.
The pilot valve 30 of four-way reversing valve includes circular casing 31, and its left end is welded with small valve body 32, and right-hand member is welded with end socket
33.The small upside of valve body 32 is welded with the capillary d being connected with the normal open adapter D of main valve 20, i.e. the inner chamber of pilot valve 30 is also high pressure
Area；Small valve seat 34 is welded with lower-side hole, three step through-holes are provided with small valve seat 34, and be respectively welded and master according to from left to right
Capillary e, s, c that the left end cap of valve 20, middle position adapter S connect with right end cap.The outer sheath of sleeve pipe is provided with magnet coil 40.
There is the core iron 35 that can be horizontally slipped the inner chamber of sleeve pipe 31 and suppresses the returning spring 36 in its hole, also by riveting
Nail is connected as a single entity, and then riveting is fixed on trailing frame 37 and reed 38 in core iron hole together, and the left end of trailing frame 37 has perforate, under
The cunning bowl 39 that portion is provided with shrinkage pool is inlaid in the perforate of trailing frame 37, and then top pressure is on the top of sliding bowl 39 for reed 38, so as to slide bowl
39 lower surfaces are close on the small surface of valve seat 34, and sliding bowl 39 can slide with core iron/dragging frame component on the small surface of valve seat 34, sliding
Bowl 39 constitutes a pair of kinematic pairs with small valve seat 34, and (i.e. capillary s) is low-pressure area, and (i.e. pilot valve is interior at its back for its inner chamber
Chamber) it is higher-pressure region, therefore sliding bowl 39 subjects caused difference force therefrom, the sealing of kinematic pair is mainly by the difference force Lai real
It is existing.
When refrigeration system needs refrigeration, the no power of magnet coil 40, in the presence of returning spring 36, core iron 35 drives
Sliding bowl 39 moves to left together, communicates capillary e and capillary s, capillary c and capillary d are communicated, so that the left chamber of main valve 20
As low-pressure area, right chamber is higher-pressure region, and pressure differential is formed between the left and right chamber of main valve 20, pushes sliding block 251 and piston 26 to left side,
Other position adapter E is set to lead to middle position adapter S-phase, normal open adapter D communicates with other position adapter C, now internal system refrigerant circulation path
For：The lumen of exhaust outlet of compressor → normal open adapter D → valve body → bypass adapter C → outdoor heat exchanger → restricting element → interior
The inner chamber of heat exchanger → bypass adapter E → sliding block → middle position adapter S → compressor air suction mouth, refrigeration system are in refrigeration work shape
State；
When refrigeration system needs heating, magnet coil 40 is powered, and in the presence of coil electromagnetic force, core iron 35 overcomes back
Answer the active force of spring 36 and drive sliding bowl 39 to move to right together, communicate capillary c and capillary s, capillary e and capillary d
Communicate, so that the left chamber of main valve 20 is higher-pressure region, right chamber is low-pressure area, pressure differential is formed between the left and right chamber of main valve 20, by cunning
Block 251 and piston 26 push right side to, lead to other position adapter C and middle position adapter S-phase, and normal open adapter D communicates with other position adapter E, this
When internal system refrigerant circulation path be：The lumen of exhaust outlet of compressor → normal open adapter D → valve body → other position adapter E → interior
The inner chamber of heat exchanger → restricting element → outdoor heat exchanger → other position adapter C → sliding block → middle position adapter S → compressor air suction mouth,
Refrigeration system is in heating working condition.
As above, the commutation of main valve 20 can be realized by the collective effect of pilot valve 30 and magnet coil 40, so as to switch refrigerant
Flow direction, realize refrigeration system heating working condition and refrigeration work state switching.
Improved herein mainly for the slide block assembly 25 of main valve 20, the following detailed description of, Fig. 5 to Fig. 7 is refer to,
Fig. 5 is the diagrammatic cross-section of the slide block assembly shown in Fig. 4.
It should be noted that the orientation of slide block assembly shown in Fig. 5 and the orientation contrast after assembling shown in Fig. 4, are clear
Illustrate scheme to Chu, will be close to the inner chamber of sliding block 251 side be defined as in, correspondingly, away from sliding block 251 inner chamber side
It is defined as outer, it will be appreciated that the use of the noun of locality should not limit the protection domain of the application.
In the embodiment, the slide block assembly 25 of main valve 20 includes sliding block 251 and support member 252.
Sliding block 251 is overall to be rectangle structure, and its middle part, which has, runs through bottom surface inner chamber, the bottom surface surrounding portion tool of sliding block 251
There is the sealing surface 251a of the valve seat fitting of main valve.
Medial extremity of the support member 252 close to the top of sliding block 251 is arcuate structure, the outboard end tool away from the top of sliding block 251
There is planar structure 252a；The both ends of support member 252 respectively with sliding block 251 two side week portion fix.Here, the side of sliding block 251
All portions refer to the side portion of the length direction of sliding block 251.
When support member 252 assembles with sliding block 251, arcuate structure is towards inner chamber, and planar structure 252a is located at sealing surface
251a inner side, that is to say, that when the sliding block 251 shown in Fig. 5 is tipped upside down on valve seat 23, the sealing surface 251a of sliding block 251 with
The upper surface fitting of valve seat 23, and the planar structure 252a of support member 252 is higher than the upper surface of valve seat 23, is not connect with valve seat 23
Touch, in order to avoid both of which is caused to wear.
As above, the slide block assembly 25, is improved the structure of support member 252, and support member 252 is towards in sliding block 251
The inner side of chamber is arcuate structure, and outside has planar structure 252a, after so setting, after refrigerant flows into the inner chamber of sliding block 251, is being propped up
It is readily flowed and will not flow back under the guiding of the arcuate structure of support member 252, in addition, when around support member 252, because support member
252 outside has planar structure 252a, and compared with the club shaped structure in background technology, refrigerant is in the position of support member 252
The probability for forming turbulent flow greatly reduces, and correspondingly, the flow resistance of refrigerant flowing reduces, and can efficiently reduce in flow process
Energy loss, experiment proves that, under the same conditions, cold medium flux can increase by 6%, reach the purpose of energy efficiency.
In the concrete scheme of diagram, the section of support member 252 substantially takes the shape of the letter U.
The support member 252 of this structure can be formed by plate stamping, not only simple but also reliable.Wherein, support member 252
Degree of crook, it can be set according to actual conditions.
In addition to said structure, the section of support member 252 can also be substantially D-shaped, can simply be interpreted as the branch of said structure
Support member is hollow-core construction, and the support member in this programme is solid construction.
Support member 252 in the program can be cut and be formed by circular bar.
Because usually cost-effective, sliding block 251 is made up of plastic material, and the setting of support member 252 is except above-mentioned optimization
Outside the runner of the inner chamber of sliding block 251, additionally it is possible to strengthen the intensity of sliding block 251.
In practical application, support member 252 be usually arranged as one can meet demand, when support member 252 is set to one,
Support member 252 is specifically fixed on the middle part of the length direction of sliding block 251, so that the stress more equalization stable of whole slide block assembly 25.
Specifically, groove can be opened up in both sides week position corresponding to portion of sliding block 251, the both ends of support member 252 are pressed respectively
In two grooves, to realize both fixations.Certainly, other fixed forms can also be used.
In specific scheme, after support member 252 fixes with sliding block 251, the planar structure 252a and sliding block of support member 252
251 sealing surface 251a is parallel, so that the flow passage structure inside sliding block 251 is symmetrical, is more beneficial for reducing refrigerant flowing
Resistance.
Four-way reversing valve provided by the utility model and its main valve, the slide block assembly of main valve have been carried out in detail above
Introduce.Specific case used herein is set forth to principle of the present utility model and embodiment, above example
Illustrate that being only intended to help understands method and its core concept of the present utility model.It should be pointed out that for the general of the art
For logical technical staff, on the premise of the utility model principle is not departed from, some improvement can also be carried out to the utility model
And modification, these are improved and modification is also fallen into the protection domain of the utility model claims.
Claims (8)
1. the slide block assembly of the main valve for four-way reversing valve, including sliding block and support member；The middle part of the sliding block, which has, to be run through
The inner chamber of bottom surface, the bottom surface surrounding portion of the sliding block have the sealing surface being bonded with the valve seat of the four-way reversing valve；Its feature
It is, the support member is arcuate structure close to the medial extremity of the slider top, and the support member is away from the slider top
Outboard end there is planar structure；The both ends of the support member respectively with the sliding block two side week portion fix, wherein, it is described
Arcuate structure is towards the inner chamber, and the planar structure is located at the inner side of the sealing surface.
2. slide block assembly according to claim 1, it is characterised in that the section of the support member is D-shaped.
3. slide block assembly according to claim 1, it is characterised in that the section of the support member takes the shape of the letter U.
4. slide block assembly according to claim 3, it is characterised in that the support member is the support that plate stamping is formed
Part.
5. according to the slide block assembly described in claim any one of 1-4, it is characterised in that the planar structure of the support member
It is be arranged in parallel with the sealing surface.
6. according to the slide block assembly described in claim any one of 1-4, it is characterised in that the support member is one, and described
Support member is fixed on the middle part of the sliding block.
7. the main valve of four-way reversing valve, including valve body, valve seat, slide block assembly, connecting rod and a pair of pistons, the valve seat are fixed on institute
Valve inner is stated, the slide block assembly and the pair of piston are connected as a single entity by the connecting rod, the valve seat and the sliding block
The sliding block of component forms a pair of kinematic pairs；Characterized in that, the slide block assembly is described in claim any one of 1-6
Slide block assembly.
8. four-way reversing valve, including main valve and the pilot valve that is connected with the main valve, it is characterised in that the main valve is claim
Main valve described in 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720937218.9U CN207005350U (en) | 2017-07-28 | 2017-07-28 | Four-way reversing valve and its main valve, the slide block assembly of main valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720937218.9U CN207005350U (en) | 2017-07-28 | 2017-07-28 | Four-way reversing valve and its main valve, the slide block assembly of main valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207005350U true CN207005350U (en) | 2018-02-13 |
Family
ID=61457814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720937218.9U Active CN207005350U (en) | 2017-07-28 | 2017-07-28 | Four-way reversing valve and its main valve, the slide block assembly of main valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207005350U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307661A (en) * | 2019-08-02 | 2019-10-08 | 格力电器（芜湖）有限公司 | Slider of four-way valve, four-way valve and air conditioner |
| WO2020052445A1 (en) * | 2018-09-10 | 2020-03-19 | 浙江盾安禾田金属有限公司 | Reversing valve and slide block thereof |
-
2017
- 2017-07-28 CN CN201720937218.9U patent/CN207005350U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020052445A1 (en) * | 2018-09-10 | 2020-03-19 | 浙江盾安禾田金属有限公司 | Reversing valve and slide block thereof |
| CN110307661A (en) * | 2019-08-02 | 2019-10-08 | 格力电器（芜湖）有限公司 | Slider of four-way valve, four-way valve and air conditioner |
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