CN202176757U - Four-way reversing valve and dragging frame mechanism thereof - Google Patents
Four-way reversing valve and dragging frame mechanism thereof Download PDFInfo
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- CN202176757U CN202176757U CN2011202712498U CN201120271249U CN202176757U CN 202176757 U CN202176757 U CN 202176757U CN 2011202712498 U CN2011202712498 U CN 2011202712498U CN 201120271249 U CN201120271249 U CN 201120271249U CN 202176757 U CN202176757 U CN 202176757U
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- sliding bowl
- trailing frame
- way change
- restraining groove
- frame mechanism
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Abstract
The utility model discloses a dragging frame mechanism for a four-way reversing valve. The dragging frame mechanism comprises a sliding bowl (22) and a dragging frame (21), wherein the sliding bowl (22) is used for switching each flow channel in a pilot valve (2) of the four-way reversing valve; the dragging frame (21) comprises a frame plate (211); the frame plate (211) is provided with a first through hole (212); the sliding bowl (22) is inserted into the first through hole (212); a limiting component (213) for limiting the vertical height of the sliding bowl (22) is arranged over the first through hole (212) on the dragging frame (21); and the upper part of the sliding bowl (22) is embedded into the limiting component (213). The dragging frame mechanism can prevent the sliding bowl from breaking away from the dragging frame upward, so that the reversing function of the four-way reversing valve is ensured. The utility model further discloses the four-way reversing valve comprising a main valve and a pilot valve; the pilot valve adopts the dragging frame mechanism; and the dragging frame mechanism is connected with core iron of the pilot valve; therefore, the same effect is provided.
Description
Technical field
The utility model relates to refrigeration or heating device technical field, relates in particular to a kind of trailing frame mechanism that is used for the said equipment four-way change-over valve.In addition, the utility model also relates to a kind of four-way change-over valve that comprises above-mentioned trailing frame mechanism.
Background technique
In refrigeration or the heating device, four-way change-over valve is a kind of product that is used to switch runner in the refrigerant loop that is made up of compressor, condenser, indoor heat converter and outdoor heat converter.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of four-way change-over valve in the existing technology; Fig. 2 is the partial enlarged drawing of the trailing frame mechanism among Fig. 1; Briefly introduce the four-way change-over valve of this structure and the defective that trailing frame mechanism exists at work thereof below.
As shown in Figure 1, this four-way change-over valve comprise main valve 1 ' with pilot valve 2 ' two large divisions, the refrigeration or heat in the process; At first make pilot valve 2 ' action, thereby drive main valve 1 ' motion, change the fluid flow passage; Thereby play the effect of switching runner, realize the function that runner switches.Trailing frame mechanism be pilot valve 2 in the four-way change-over valve ' critical piece; As shown in Figure 2, this trailing frame mechanism mainly comprise trailing frame 21 ', sliding bowl 22 ' and reed 23 ' three parts, trailing frame 21 ' right-hand member and pilot valve core iron 25 ' riveted joint; Its left end has perforate; Be fitted with in this perforate sliding bowl 22 ', sliding bowl 22 ' lower end surface be close to pilot valve seat 24 ' the surface, sliding bowl 22 ' the top by be riveted on trailing frame 21 ' on reed 23 ' play a supporting role.Sliding bowl 22 ' the bottom offer groove, during work, through sliding bowl 22 ' pilot valve seat 24 ' on laterally move, realize different passages circulations, drive main valve 1 ' motion, thereby realize the conversion of freezing, heating.
At work, usually sliding bowl 22 ' the upper end be that zone of high pressure, lower end are low pressure area, sliding bowl 22 ' with pilot valve seat 24 ' sealing through reed 23 ' with upper and lower pressure reduction impose on sliding bowl 22 '; Make the pilot valve seat 24 ' sealing of itself and lower end, yet, when system in refrigeration, when heating switching, defrost or system's operation exception; Sliding bowl 22 ' all can receive reverse impact force, at this moment, sliding bowl 22 ' only left and right directions receive trailing frame 21 ' restriction; But do not have position structure at above-below direction, when reverse impact power is big, can make sliding bowl 22 ' move upward detach trailing frame 21 '; After pressure recovery is normal, sliding bowl 22 ' can not resile, cause occurring sliding bowl 22 ' with the packing less phenomenon of valve seat; Four-way change-over valve can't be commutated, the performance of losing the job.
In view of this; Demand urgently to above-mentioned technical problem; Improve existing trailing frame mechanism, make it can prevent effectively that the on-slip bowl breaks away from trailing frame, sliding bowl is still salable with the little valve seat of pilot valve in the normal back of pressure recovery; Guarantee the commutation function of four-way change-over valve, improve the working stability and the reliability of existing four-way change-over valve greatly.
The model utility content
The technical problem that the utility model will solve is that a kind of trailing frame mechanism that is used for four-way change-over valve is provided; It can prevent effectively that the on-slip bowl is owing to backpressure breaks away from trailing frame greatly; Guarantee the commutation function of four-way change-over valve; Improve its working stability and reliability greatly, and have characteristic of simple structure.The utility model also provides a kind of four-way change-over valve that comprises above-mentioned trailing frame mechanism.
For solving the problems of the technologies described above; The utility model provides a kind of trailing frame mechanism that is used for four-way change-over valve; The sliding bowl and the trailing frame that comprise each runner of pilot valve that is used for switching said four-way change-over valve; Said trailing frame comprises frame plate, and said frame plate offers first through hole, and said sliding bowl is plugged in said first through hole; Said trailing frame is provided with the vertically limit position part of height of the said sliding bowl of restriction above said first through hole, the top of said sliding bowl is flush-mounted in the said limit position part.
Preferably, said limit position part is to be located at said first through hole, protruding restraining groove straight up, and Open Side Down for said restraining groove, and its end surface shape matches with said sliding bowl shape, and the groove of said restraining groove pushes up second through hole that is provided with vertical direction.
Preferably, said restraining groove is stamping forming integral type restraining groove.
Preferably, said restraining groove circumferentially all have a first side wall, said the first side wall is connected with said frame plate.
Preferably, the both sides, front and back of said restraining groove have the first side wall, and said the first side wall is connected with said frame plate.
Preferably, the shape of the end surface shape of said restraining groove and said sliding bowl is waist shape, circle or rectangular.
Preferably, said limit position part is stamping forming restraining groove, and one is riveted or be welded in to said restraining groove and said frame plate.
Preferably, said limit position part and said sliding bowl are in the gap L of the vertical direction distance A less than said sliding bowl bottom to said frame plate bottom surface.
The trailing frame mechanism that the utility model provided, its trailing frame is provided with the vertically limit position part of height of the sliding bowl of restriction above first through hole, and the top of sliding bowl is flush-mounted in the limit position part.In the concrete scheme, above-mentioned limit position part can be for being located at first through hole, protruding restraining groove straight up, and Open Side Down for restraining groove, and the end surface shape of restraining groove matches with sliding bowl shape, and the groove of restraining groove pushes up second through hole that is provided with vertical direction.
Adopt this structural type; When the four-way change-over valve proper functioning; In the groove of sliding bowl lower end is low pressure area, and the trailing frame top is the zone of high pressure, and pressure difference puts on the end face of sliding bowl through second through hole of the vertical direction on restraining groove groove top; To slide a bowl lower end surface and be pressed on the little valve seat, play seal action; When system the refrigeration, when heating switching, defrost or system's operation exception; Sliding bowl receives a reverse impact force; Make the pressure of groove interior pressure in sliding bowl lower end greater than its upper-end surface; Because sliding bowl upper end is flush-mounted in the restraining groove that Open Side Down, limits the extreme higher position that sliding bowl moves up, sliding bowl can fall after rise to little valve seat in the normal back of pressure recovery; Again through exert pressure official post its still keep sealing state with little valve seat, continue through realizing the switching-over of four-way change-over valve with the transverse movement of little valve seat.
This shows that the trailing frame mechanism of said structure avoids the sliding bowl of trailing frame that moves up in the time of can reverse impact power occurring in system, guarantee the commutation function of four-way change-over valve, strengthened the working stability and the reliability of four-way change-over valve greatly.
The utility model also provides a kind of four-way change-over valve, comprises main valve and pilot valve; Said pilot valve adopts aforesaid trailing frame mechanism, and said trailing frame mechanism is fixedly connected on the core iron of said pilot valve.
Because above-mentioned trailing frame mechanism has above-mentioned technique effect, therefore, comprises that the four-way change-over valve of this trailing frame mechanism also should have identical technique effect, repeats no more at this.
Description of drawings
Fig. 1 is the structural representation of four-way change-over valve in the existing technology;
Fig. 2 is the partial enlarged drawing of the trailing frame mechanism among Fig. 1;
Fig. 3 provides the structural representation of a kind of embodiment of trailing frame mechanism for the utility model;
Fig. 4 is the plan view of a kind of embodiment of trailing frame among Fig. 3;
Fig. 5 is the cut away left side view of Fig. 4;
Fig. 6 is the plan view of Fig. 4;
Fig. 7 for Fig. 4 in the plan view of the sliding bowl that matches of trailing frame;
Fig. 8 is the main pseudosection of Fig. 7;
Fig. 9 is the left pseudosection of Fig. 7;
Figure 10 is the cut away left side view of second kind of embodiment of trailing frame among Fig. 3;
Figure 11 is the plan view of Figure 10;
Figure 12 is the structural representation of the third embodiment of the limit position part of trailing frame among Fig. 3;
Figure 13 is the limit position part of Figure 12 and the erection drawing of frame plate;
Figure 14 is the structural representation of the 4th kind of embodiment of trailing frame among Fig. 3;
Figure 15 is the structural representation of the 5th kind of embodiment of trailing frame among Fig. 3;
Figure 16 is the structural representation of a kind of embodiment of four-way change-over valve that the utility model provides.
Wherein, reference character among Fig. 1 to Fig. 2 and the corresponding relation between the component names are: 1 ' main valve; 2 ' pilot valve; 21 ' trailing frame; 22 ' sliding bowl; 23 ' reed; 24 ' pilot valve seat; 25 ' pilot valve core iron;
Reference character and the corresponding relation between the component names among Fig. 3 to Figure 16 are:
1 main valve; 2 pilot valves; 21 trailing frames; 22 sliding bowls; 211 frame plates; 212 first through holes; 213 limit position parts; 214 second through holes; 215 the first side walls; 216 second sidewalls; 217 roofs; 221 grooves.
Embodiment
The core of the utility model is that a kind of trailing frame mechanism that is used for four-way change-over valve is provided; This trailing frame mechanism can effectively avoid sliding bowl under backpressure impacts, to break away from trailing frame; Guarantee the commutation function of four-way change-over valve; Improve the working stability and the reliability of four-way change-over valve, and have characteristic of simple structure.Another core of the utility model is that a kind of four-way change-over valve that comprises above-mentioned trailing frame mechanism is provided.
In order to make those skilled in the art understand the technological scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 3 to Fig. 9, Fig. 3 provides the structural representation of a kind of embodiment of trailing frame mechanism for the utility model; Fig. 4 is the structural representation of a kind of embodiment of trailing frame among Fig. 3, and Fig. 5 is the cut away left side view of Fig. 4, and Fig. 6 is the plan view of Fig. 4; Fig. 7 for Fig. 4 in the structural representation of the sliding bowl that matches of trailing frame, Fig. 8 is the main pseudosection of Fig. 7, Fig. 9 is the left pseudosection of Fig. 7.
In a kind of embodiment, as shown above, the trailing frame mechanism that the utility model provided is located in the pilot valve 2 of four-way change-over valve, is mainly used in the switching between each runner in the pilot valve 2 of four-way change-over valve.This trailing frame mechanism comprises sliding bowl 22 and trailing frame 21; Trailing frame 21 is fixedly connected with the core iron of pilot valve 2 usually; Trailing frame 21 comprises frame plate 211; Frame plate 211 is provided with first through hole 212, and trailing frame 21 also is provided with limit position part 213 above first through hole 212, and this limit position part 213 can limit the vertical height of sliding bowl 22; Sliding bowl 22 is located on the little valve seat of pilot valve 2 usually; Its lower end is provided with groove 221; In first through hole 212 that is plugged in frame plate 211 of sliding bowl 22, its lower end surface is attached on the little valve base surface, and the top of sliding bowl 22 is flush-mounted in this limit position part 213; Sliding bowl 22 and little valve seat composition sliding pair are along with the switching of sliding bowl 22 between three valve ports of horizontal slip realization pilot valve 2 valve seats of little valve base surface.
In the concrete scheme; Above-mentioned limit position part 213 can be for being located at first through hole, 212 places, protruding restraining groove straight up; Open Side Down for restraining groove, and the end surface shape of restraining groove matches with sliding bowl 22 shapes, and the groove of restraining groove top is provided with second through hole 214 of vertical direction.
Adopt this structural type; When the four-way change-over valve proper functioning; In the groove 221 of sliding bowl 22 lower ends is low pressure area, and trailing frame 21 tops are the zone of high pressure, and pressure difference puts on the end face of sliding bowl 22 through second through hole 214 of the vertical direction on restraining groove groove top; To slide bowl 22 lower end surfaces and be pressed on the little valve seat, play seal action; When system the refrigeration, when heating switching, defrost or system's operation exception; Sliding bowl 22 receives a reverse impact force; Make pressure in the sliding bowl 22 lower end grooves 221 greater than the pressure of its upper-end surface; Because sliding bowl 22 upper ends are flush-mounted in the restraining groove that Open Side Down, limit the extreme higher position that sliding bowl 22 moves up, sliding bowl 22 can fall after rise to little valve seat in the normal back of pressure recovery; Again through exert pressure official post its still keep sealing state with little valve seat, continue through realizing the switching-over of four-way change-over valve with the transverse movement of little valve seat.
This shows that the trailing frame mechanism of said structure avoids sliding bowl 22 trailing frame 21 that moves up in the time of can reverse impact power occurring in system, guarantee the commutation function of four-way change-over valve, strengthened the working stability and the reliability of four-way change-over valve greatly.
Above-mentioned embodiment does not limit the concrete shape of restraining groove; Do not limit the concrete Connecting format of restraining groove and frame plate 211 yet; Everyly be located at first through hole, 212 places, raise up; And Open Side Down, and the sliding bowl 22 in limit top is the restraining groove of height vertically, all should work as in the protection domain that belongs to the utility model.
Need to prove; The noun of locality that occurs among this paper " laterally " refers to the left and right directions in the accompanying drawing 3, and the noun of locality " preceding " refers in the accompanying drawing 3 perpendicular to paper, and penetrates the direction of paper; " back " refers in the accompanying drawing 3 perpendicular to paper, and injects the direction of paper; The appearance that should be appreciated that these nouns of locality is that benchmark is set up with the accompanying drawing of this paper, and their appearance should not influence the protection domain of the utility model.
Certainly, above-mentioned limit position part 213 is not limited to the structural type of restraining groove, can also be other limit position parts.Please refer to Figure 10 and 11, Figure 10 is the cut away left side view of second kind of embodiment of trailing frame among Fig. 3; Figure 11 is the plan view of Figure 10.Shown in Figure 10 and 11, above-mentioned limit position part 213 can be the inverted U limiting board, and limiting board comprises that roof 217 and two second sidewall 216, the second sidewalls 216 are connected with frame plate 211, and the area of roof 217 is less than the top surface area of sliding bowl 22.
Adopt this structure; When the four-way change-over valve proper functioning, be low pressure area in the groove 221 of sliding bowl 22 lower ends, trailing frame 21 tops are the zone of high pressure; Because roof 217 areas of limiting board are less than the top surface area of sliding bowl 22; Pressure difference can put on the end face of sliding bowl 22 downwards, will slide bowl 22 bottom surfaces and be pressed on the little valve seat, plays seal action; When system the refrigeration, when heating switching, defrost or system's operation exception; Sliding bowl 22 receives a reverse impact force; Make pressure in the sliding bowl 22 lower end grooves 221 greater than the pressure of its upper-end surface; Because the position-limiting action of limiting board limits the extreme higher position that sliding bowl 22 moves up, sliding bowl 22 can fall after rise to little valve seat in the normal back of pressure recovery; Again through exert pressure official post its still keep sealing state with little valve seat, still can be through realizing the switching-over of four-way change-over valve with the transverse movement of little valve seat.
Further, second sidewall 216 of above-mentioned limiting board can be welded in one with the frame plate 211 of trailing frame 21, and certainly, limiting board can also be fixedly connected with frame plate 211 through other secure components.The roof 217 of above-mentioned limiting board can be made as rectangular, advantage simple in structure, the manufacturing process convenient that the rectangular limiting board has; Certainly, can also be other shapes, roof 217 areas of every inverted U limiting board less than the shape of sliding bowl 22 top surface area all in the protection domain of the utility model.
The specific constructive form of above-mentioned restraining groove can also further be set.
In another kind of embodiment; Above-mentioned restraining groove can be stamping forming integral type restraining groove; Be that whole trailing frame is an integral structure, its rigidity and intensity are all better, can bear bigger impact force; Guarantee the working stability of trailing frame mechanism, and stamping forming integral type restraining groove is simple in structure, manufacturing is more convenient.Certainly, above-mentioned restraining groove is not limited to stamping forming integral type restraining groove, can also restraining groove and frame plate 211 be welded in one, the mode that can also adopt restraining groove and frame plate 211 to be fixedly connected through fastening piece.
Further in the scheme, above-mentioned restraining groove circumferentially all have a first side wall 215, the first side wall 215 is connected with frame plate 211, promptly restraining groove is the integrated punching moulding.Like this, the first side wall 215 of a circumferential circle of restraining groove all is connected with frame plate, and intensity is bigger, and the impact force that restraining groove can be born make progress is bigger.In addition, above-mentioned restraining groove can also only be provided with the first side wall 215 in the both sides, front and back, i.e. the both lateral sides of restraining groove and frame plate 211 separated attitudes, and this restraining groove is less at the stamping press that adds the needs in man-hour, is convenient to manufacturing.Certainly, above-mentioned restraining groove is not limited to the said structure form, can also only in both lateral sides the first side wall 215 be set and wait other structural type.
Please refer to Figure 12 and 13, Figure 12 is the structural representation of the third embodiment of the limit position part of trailing frame among Fig. 3; Figure 13 is the limit position part of Figure 12 and the erection drawing of frame plate.
In another kind of embodiment, above-mentioned limit position part 213 is stamping forming restraining groove, and one is riveted or be welded in to this restraining groove and frame plate 211.Adopt this split type impact briquetting restraining groove; Because independent restraining groove volume is less, simple in structure; Its processing and making process is simple, flexible operation, is fixedly connected with frame plate through the mode of riveting or weld, and can guarantee the intensity of whole trailing frame; And the trailing frame mechanism of this structure can only need change a restraining groove and get final product when limit position part damages, have cost-effective advantage.
Please refer to Figure 14 and Figure 15, Figure 14 is the structural representation of the 4th kind of embodiment of trailing frame among Fig. 3; Figure 15 is the structural representation of the 5th kind of embodiment of trailing frame among Fig. 3.
In another kind of embodiment, as shown above, the restraining groove of above-mentioned trailing frame 21 can be specially waist shape, circle or rectangular, and correspondingly, above-mentioned sliding bowl 22 need be set to the shape that matches with restraining groove.These shapes are shape common, rule, adopt these shapes can make trailing frame 21 simple with the processing and making process of sliding bowl 22, enhance productivity.Certainly, above-mentioned restraining groove is not limited to above-mentioned shape, can also be multiple other shapes.Every restraining groove matches with sliding bowl 22 shapes, the shape that can play the sliding bowl of restriction 22 extreme higher positions all can, the user can select according to actual needs voluntarily.
In the scheme further, above-mentioned limit position part 213 and sliding bowl 22 are in the gap L of the vertical direction distance A less than sliding bowl 22 bottom surfaces to frame plate 211 bottom surfaces.
Adopt this structure, make the bottom surface of sliding bowl 22 can't surpass frame plate 211 bottom surfaces in vertical direction, further strengthened the working stability of sliding bowl 22.Particularly; Can be set to 0mm to 1mm with sliding bowl 22 gap L scopes by limit position part 213 at vertical direction; Be limit position part 213 and sliding bowl 22 approximate applyings, when system's proper functioning, only need less pressure difference just can realize the sealing of sliding bowl 22 and little valve seat; Occur when system under the situation of backpressure difference, the distance that sliding bowl 22 can move up is very little, and it sets back also very fast, and the commutation ability of four-way change-over valve under low differential pressure, small flow rate can improve in the trailing frame mechanism of this structure.Certainly, above-mentioned limit position part 213 can also be other scopes with sliding bowl 22 interstice coverages at vertical direction.
Please refer to Figure 16, Figure 16 is the structural representation of a kind of embodiment of four-way change-over valve that the utility model provides.
The utility model also provides a kind of four-way change-over valve, and is shown in figure 16, comprises main valve 1 and pilot valve 2, the above-mentioned trailing frame of said pilot valve 2 employings mechanism, and trailing frame mechanism is fixedly connected on the core iron of pilot valve 2.
Because above-mentioned trailing frame mechanism has above-mentioned technique effect, therefore, comprises that the four-way change-over valve of this trailing frame mechanism also should have identical technique effect, repeats no more at this.
More than a kind of four-way change-over valve and trailing frame mechanism thereof that the utility model provided have been carried out detailed introduction.Used concrete example among this paper the principle and the mode of execution of the utility model are set forth, above embodiment's explanation just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. trailing frame mechanism that is used for four-way change-over valve; Sliding bowl (22) and the trailing frame (21) that comprise each runner of pilot valve (2) that is used for switching said four-way change-over valve; Said trailing frame (21) comprises frame plate (211); Said frame plate (211) offers first through hole (212), and said sliding bowl (22) is plugged in said first through hole (212); It is characterized in that said trailing frame (21) is provided with the vertically limit position part (213) of height of the said sliding bowl of restriction (22) in said first through hole (212) top, the top of said sliding bowl (22) is flush-mounted in the said limit position part (213).
2. the trailing frame mechanism that is used for four-way change-over valve according to claim 1; It is characterized in that; Said limit position part (213) locates for being located at said first through hole (212), protruding restraining groove straight up; Open Side Down for said restraining groove, and its end surface shape matches with said sliding bowl (22) shape, and the groove of said restraining groove top is provided with second through hole (214) of vertical direction.
3. the trailing frame mechanism that is used for four-way change-over valve according to claim 2 is characterized in that, said restraining groove is stamping forming integral type restraining groove.
4. the trailing frame mechanism that is used for four-way change-over valve according to claim 3 is characterized in that, said restraining groove circumferentially all have a first side wall (215), said the first side wall (215) is connected with said frame plate (211).
5. the trailing frame mechanism that is used for four-way change-over valve according to claim 3 is characterized in that the both sides, front and back of said restraining groove have the first side wall (215), and said the first side wall (215) is connected with said frame plate (211).
6. the trailing frame mechanism that is used for four-way change-over valve according to claim 2 is characterized in that, the shape of the end surface shape of said restraining groove and said sliding bowl (22) is waist shape, circle or rectangular.
7. the trailing frame mechanism that is used for four-way change-over valve according to claim 1; It is characterized in that; Said limit position part (213) is the inverted U limiting board; Said limiting board comprises roof (217) and two second sidewalls (216), and said second sidewall (216) is connected with said frame plate (211), and said roof (217) area is less than the top surface area of said sliding bowl (22).
8. the trailing frame mechanism that is used for four-way change-over valve according to claim 1 is characterized in that said limit position part (213) is stamping forming restraining groove, and one is riveted or be welded in to said restraining groove and said frame plate (211).
9. according to each described trailing frame mechanism that is used for four-way change-over valve of claim 1-8; It is characterized in that said limit position part (213) and said sliding bowl (22) are in the gap L of the vertical direction distance A less than said sliding bowl (22) bottom surface to said frame plate (211) bottom surface.
10. a four-way change-over valve comprises main valve (1) and pilot valve (2); It is characterized in that said pilot valve (2) adopts each described trailing frame mechanism like claim 1-9, said trailing frame mechanism is fixedly connected on the core iron of said pilot valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202712498U CN202176757U (en) | 2011-07-28 | 2011-07-28 | Four-way reversing valve and dragging frame mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202712498U CN202176757U (en) | 2011-07-28 | 2011-07-28 | Four-way reversing valve and dragging frame mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202176757U true CN202176757U (en) | 2012-03-28 |
Family
ID=45866635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202712498U Expired - Lifetime CN202176757U (en) | 2011-07-28 | 2011-07-28 | Four-way reversing valve and dragging frame mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202176757U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889399A (en) * | 2012-09-28 | 2013-01-23 | 浙江盾安禾田金属有限公司 | Dragging frame part as well as guide valve and four-way valve with same |
| CN103453203A (en) * | 2012-06-01 | 2013-12-18 | 浙江三花制冷集团有限公司 | Core iron assembly and four-way reversing valve applying core iron assembly |
| CN106609865A (en) * | 2015-10-26 | 2017-05-03 | 浙江三花制冷集团有限公司 | Switching valve and pilot type switching valve provided with same |
| CN108662249A (en) * | 2017-03-29 | 2018-10-16 | 浙江三花智能控制股份有限公司 | A kind of core iron part and reversal valve |
| WO2020199408A1 (en) * | 2019-04-01 | 2020-10-08 | 浙江盾安人工环境股份有限公司 | Switching valve and refrigerating system having same |
| CN112443694A (en) * | 2019-08-30 | 2021-03-05 | 浙江三花智能控制股份有限公司 | Dragging frame, pilot valve with dragging frame and four-way reversing valve |
-
2011
- 2011-07-28 CN CN2011202712498U patent/CN202176757U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453203A (en) * | 2012-06-01 | 2013-12-18 | 浙江三花制冷集团有限公司 | Core iron assembly and four-way reversing valve applying core iron assembly |
| CN102889399A (en) * | 2012-09-28 | 2013-01-23 | 浙江盾安禾田金属有限公司 | Dragging frame part as well as guide valve and four-way valve with same |
| CN102889399B (en) * | 2012-09-28 | 2014-04-23 | 浙江盾安禾田金属有限公司 | Dragging frame part as well as guide valve and four-way valve with same |
| CN106609865A (en) * | 2015-10-26 | 2017-05-03 | 浙江三花制冷集团有限公司 | Switching valve and pilot type switching valve provided with same |
| CN106609865B (en) * | 2015-10-26 | 2019-02-19 | 浙江三花制冷集团有限公司 | Switching valve and pilot change over valve with the switching valve |
| CN108662249A (en) * | 2017-03-29 | 2018-10-16 | 浙江三花智能控制股份有限公司 | A kind of core iron part and reversal valve |
| CN108662249B (en) * | 2017-03-29 | 2020-02-07 | 浙江三花智能控制股份有限公司 | Core iron component and reversing valve |
| WO2020199408A1 (en) * | 2019-04-01 | 2020-10-08 | 浙江盾安人工环境股份有限公司 | Switching valve and refrigerating system having same |
| CN112443694A (en) * | 2019-08-30 | 2021-03-05 | 浙江三花智能控制股份有限公司 | Dragging frame, pilot valve with dragging frame and four-way reversing valve |
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Effective date of registration: 20170207 Address after: 312500 Zhejiang city of Shaoxing province Xinchang County Mei Zhu Zhen three flower Mei Zhu Industrial Park Administration Building Patentee after: Zhejiang three flower intelligent control Limited by Share Ltd Address before: 312500 Liquan village of Chengguan Zhejiang city of Shaoxing province Xinchang County town Patentee before: Sanhua Refrigeration Group Co., Ltd., Zhejang |
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