CN102155557A - Reversing valve and dragging frame component thereof - Google Patents
Reversing valve and dragging frame component thereof Download PDFInfo
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- CN102155557A CN102155557A CN 201010111691 CN201010111691A CN102155557A CN 102155557 A CN102155557 A CN 102155557A CN 201010111691 CN201010111691 CN 201010111691 CN 201010111691 A CN201010111691 A CN 201010111691A CN 102155557 A CN102155557 A CN 102155557A
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- trailing frame
- frame body
- contact part
- core iron
- attachment hole
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Abstract
The invention discloses a dragging frame component for a reversing valve, which comprises a plate-shaped dragging frame body, wherein a side of the dragging frame body in the width direction is clamped in a connecting hole of a core iron of the reversing valve; and the dragging frame body and the core iron are fixed by compressing the end part of the core iron. The dragging frame component is characterized in that: a butting part for positioning is arranged on the dragging frame body; besides, the dragging frame body and the core iron are compressed and fixed, and the side or bottom of the dragging frame body in the width direction and the connecting hole of the core iron are positioned, so that the area of contact part of the primary dragging frame component and the core iron is increased, when the dragging frame body tends to be loose, the contacting part of the butting part and the hole wall of the connecting hole can stop loosing and tilting of the dragging frame body, so that the compression soundness and high-temperature high-pressure resistance of the dragging frame component and the core iron are improved, and the working stability of the reversing valve is further improved.
Description
Technical field
The present invention relates to the heat pump air conditioner field of refrigeration, particularly a kind of trailing frame assembly that is used for selector valve.The invention still further relates to a kind of selector valve that comprises above-mentioned trailing frame assembly.
Background technique
Along with the fast development of China's economic construction, air conditioner industry constantly develops towards diversification, multi-functional direction, and the heat pump type air conditioner system of a tractor serves several purposes has obtained development and application more and more widely.
In the heat pump type air conditioner system, general by changing the circulating direction of refrigerant, refrigeration or the system of adjusting air-conditioning system are warm, and the change of the circulating direction of refrigerant needs selector valve to realize.Below be the warm transfer process of refrigeration, system that example is simply introduced air-conditioning system with the four-way change-over valve.
Please refer to Fig. 1, Fig. 1 is the structural representation of four-way change-over valve in a kind of typical air-conditioning system.
Four-way change-over valve is arranged in the refrigerant loop that is made of indoor heat converter and outdoor heat converter etc., comprises electromagnetic coil 11, main valve 12 and pilot valve 13; Main valve 12 comprises valve body 123, and the adapter D (zone of high pressure) that is communicated with exhaust outlet of compressor is arranged on it, the adapter S (low pressure area) that is communicated with the compressor air suction mouth, the adapter E that is communicated with indoor heat converter, the adapter C that is communicated with outdoor heat converter; The interior welds of valve body 123 has valve seat 121, piston 124 in the valve seat 121 and slide block 122 with the inner chamber of main valve be separated into a left side (E side), in, right (C side) three chambers.Little valve body 134 upsides in the pilot valve 13 are welded with and take over the capillary tube d (the pilot valve inner chamber is the zone of high pressure) that D is connected, be welded with little valve seat 131 in the lower-side hole, have three step through-holes on the little valve seat 131, and part on the right side according to left-hand and not to be welded with and main valve 12 left end caps, take over the capillary tube e that S is connected with right end cap, s, c (s is a low pressure area), the cannula cavity of pilot valve 13 has the core iron 134 that can horizontally slip and suppresses returning spring 136 in its hole, be crimped with trailing frame 132 and reed 135 in the hole of core iron 134, be embedded with sliding bowl 133 in the hole of trailing frame 132, reed 135 roof pressures are on the top of sliding bowl 133, make sliding bowl 133 lower end surfaces be affixed on little valve seat 131 surfaces, sliding bowl 133 can slide on little valve seat 131 surfaces with trailing frame 132, sliding bowl 133 and little valve seat 131 component movement pairs, its inner chamber is a low pressure area, the back is the zone of high pressure.
When air-conditioning need freeze, electromagnetic coil 11 no electric circuits, under the effect of returning spring 136, core iron 134 drives sliding bowl 133 by trailing frame 132 and moves to left, thereby make e/s, the c/d capillary tube communicates respectively, because taking over S is low pressure area, so the gas in chamber, a main valve left side passes through e, s capillary tube and sliding bowl 133 and flow into low pressure area, therefore left chamber becomes low pressure area, and the right chamber of main valve is owing to there be replenishing from c high pressure air capillaceous, thereby become the zone of high pressure, pressure difference between the chamber, the left and right sides of main valve promotes slide block 122 and piston 124 moves to left, make and take over E and take over S, take over D and communicate respectively with taking over C, this moment, the refrigeration agent of internal system flow to the compressor air suction mouth from exhaust outlet of compressor, and system is in the refrigeration work state.When air-conditioning needs heating operation, electromagnetic coil 11 energisings, under the effect of coil electromagnetic force, core iron 134 overcomes the active force of returning spring 136 and moves to right by the sliding bowl 133 of trailing frame 132 drives, and c/s, e/d capillary tube are communicated respectively.The right chamber of main valve just becomes low pressure area, and left chamber then becomes the zone of high pressure, and slide block 122 and piston 124 move to right, and makes to take over C and take over S, adapter D to communicate respectively with adapter E, and refrigeration agent is from flowing to the compressor air suction mouth, and system is in and heats working state.By said process realize the freezing summer purpose of the dual-use that heats winter.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation when trailing frame cooperates with core iron in the four-way change-over valve shown in Figure 1; Fig. 3 is that structure shown in Figure 2 is at the structural representation of overlooking on the direction.
Owing to generally can only adopt the mode of crimping that both are fixed between trailing frame 132 and the core iron 134.Trailing frame 132 is the platy structure of thickness much smaller than its width and length, and is installed on by the side on its width direction in the attachment hole 1341 of core iron 134, and the area of contact of the bottom surface, hole of its thickness direction and core iron 134 is too small.By above-mentioned working procedure as can be seen, the position that crosses when trailing frame 132 is positioned at the high low pressure conversion, constantly be subjected to the impact and the action of high temperature of high pressure refrigerant, because the difference of the percussion of high pressure refrigerant and the linear deformation of trailing frame 132 and core iron 134, cause the trailing frame 132 and the crimping position of core iron 134 to take place to become flexible, may cause individual product to lose efficacy when serious.
Therefore, how to improve the crimp strength of trailing frame in core iron, thereby improve the functional reliability of selector valve, just become the problem that those skilled in the art need solve.
Summary of the invention
The purpose of this invention is to provide a kind of trailing frame assembly, can reliably be connected between its trailing frame body and the core iron, have the higher reliability that is connected and fixed when both are fixedly connected, thereby improved the functional reliability of selector valve.Another object of the present invention provides a kind of selector valve that comprises above-mentioned trailing frame assembly.
For solving the problems of the technologies described above, the invention provides a kind of trailing frame assembly that is used for selector valve, comprise the trailing frame body that is tabular, described trailing frame body is installed in the side on its width direction in the attachment hole of core iron of described selector valve, and described trailing frame body and described core iron are fixed by the end of crimping core iron; Between described trailing frame body and the described core iron except the attachment hole of the sidepiece of the width direction of and described trailing frame body fixing by crimping or bottom and described core iron is located, described trailing frame body also is provided with the contact part that is used to locate, the area of contact when increasing the location with core iron.
Preferably, described contact part is provided with a locating face at least, and described locating face contacts with the side or the bottom surface of described core iron, so that the area of contact when increasing location with core iron.
Preferably, described locating face is the sidewall of described contact part, and described contact part contacts with the sidewall of described attachment hole by its sidewall, and the sidewall of described contact part has the radian that the sidewall with described attachment hole is complementary.
Preferably, the number of described contact part is two, is provided with or is fixedly connected on the upper surface of described trailing frame body and the lower surface of described trailing frame body respectively.
Alternatively, described contact part is the platy structure that is installed on described trailing frame body end face, and described locating face is the end face of described contact part, and described contact part contacts with the diapire of described attachment hole by its end face.
Preferably, the shape of cross section of described contact part is circular, and this circular center of circle is on the axis elongation line of described attachment hole, and its diameter equals the width of described trailing frame body substantially.
Preferably, described contact part has at least one kink, and described locating face is the end face of described kink, and described kink contacts with the diapire of described attachment hole by its end face.
Preferably, described contact part and described trailing frame body have integral structure, and described contact part can be kink.
Preferably, the number of described contact part is two, both all along the thickness direction of described trailing frame body extend and bearing of trend opposite, two described kinks on width direction, interlace from.
The present invention also provides a kind of selector valve, comprises above-mentioned each described trailing frame assembly.
The trailing frame assembly that is used for selector valve provided by the present invention, between its trailing frame body and the core iron except the attachment hole of the sidepiece of the width direction of and described trailing frame body fixing by crimping and bottom and described core iron is located, the trailing frame body also is provided with the contact part that is used to locate in addition, described contact part is provided with a locating face at least, described contact part contacts with the attachment hole of described core iron or at least partly contacts, described locating face partly contacts with the attachment hole of described core iron or at the trailing frame body slightly deformed is arranged, contact during displacement, thus the area of contact when increasing the location with core iron; Particularly under difference condition in the linear deformation of the effect of the impact of high pressure refrigerant and the high and low temperature temperature difference and trailing frame and core iron, still can prevent displacement of trailing frame body or distortion by the contact part, can secure fixation be connected thereby make between trailing frame body and the core iron, have the higher reliability that is connected and fixed when both are fixedly connected like this, thereby improved the functional reliability of selector valve.
A kind of preferred embodiment in, the sidewall of contact part provided by the present invention has the radian that is complementary with the attachment hole sidewall, and two conflict portions are fixedly installed in respectively on the upper surface and lower surface of trailing frame body, and the sidewall of contact part contacts with the sidewall of described attachment hole.Like this, by the contact part of sidewall and contacting of attachment hole sidewall with radian, avoided the trailing frame body when being heated with respect to the activity of attachment hole, further improved the crimping soundness of trailing frame assembly and core iron and the ability of high temperature resistance high pressure.
In another preferred embodiment, contact part provided by the present invention is the connecting plate that comprises two kinks, and the outer wall of kink contacts with the interior diapire of attachment hole, this kink and trailing frame body have integral structure, and process by flanging by the trailing frame body, thereby simplified manufacturing procedure, and improved the connection reliability between trailing frame body and the contact part.
Description of drawings
Fig. 1 is a kind of structural representation of typical selector valve;
The cross-sectional schematic of the main apparent direction when Fig. 2 is in assembling condition for trailing frame among Fig. 1 and core iron;
The cross-sectional schematic of overlooking direction when Fig. 3 is in assembling condition for trailing frame among Fig. 2 and core iron;
The cross-sectional schematic of the main apparent direction when Fig. 4 is in assembling condition for first kind of trailing frame assembly that embodiment provided of the present invention and core iron;
Fig. 5 is a trailing frame assembly shown in Figure 4 structural representation in the A direction;
The structural representation of the main apparent direction when Fig. 6 is in assembling condition for second kind of trailing frame assembly that embodiment provided of the present invention and core iron;
Fig. 7 is the structural representation of the trailing frame assembly shown in Fig. 6 in the A direction;
The structural representation of the main apparent direction when trailing frame assembly that Fig. 8 is provided for the third embodiment of the present invention and core iron are in assembling condition;
Fig. 9 is the structural representation of the trailing frame assembly shown in Fig. 8 in the A direction.
Embodiment
Core of the present invention provides a kind of trailing frame assembly, can reliably be connected between its trailing frame body and the core iron, has the higher reliability that is connected and fixed when both are fixedly connected, thereby has improved the functional reliability of selector valve.Another core of the present invention provides a kind of selector valve that comprises above-mentioned trailing frame assembly.
In order to make those skilled in the art person understand technological scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 4 and Fig. 5, the cross-sectional schematic of the main apparent direction when Fig. 4 is in assembling condition for first kind of trailing frame assembly that embodiment provided of the present invention and core iron; Fig. 5 is a trailing frame assembly shown in Figure 4 structural representation in the A direction.
In first kind of embodiment, the trailing frame assembly that is used for selector valve provided by the present invention comprises trailing frame body 21 and contact part 23; It is tabular that trailing frame body 21 is substantially, and its width is greater than thickness, trailing frame body 21 is installed in the side on its width direction in the attachment hole 221 of core iron 22 of selector valve, fixedly connected with trailing frame body 21 in contact part 23, and the outer wall of contact part 23 part contacts with the hole wall of attachment hole 221.
Above-mentioned platy structure is meant that length and width are much larger than the structure of its thickness.In addition, it is pointed out that the nouns of locality such as " upper and lower, left and right " mentioned herein, all is the orientation notions for accompanying drawing, and just to the convenience of describing, that does not limit to each parts specifically is provided with the orientation.
In addition, it is pointed out that contact part 23 provided by the present invention on trailing frame body thickness direction peak and the distance between the minimum point, greater than the one-tenth-value thickness 1/10 of trailing frame body.
Be installed in the attachment hole 221 on the above-mentioned width direction and be meant by trailing frame body 21, because the width of trailing frame body 21 is greater than thickness, therefore, when the end of trailing frame body 21 is plugged in the attachment hole, must cooperate with the inwall of attachment hole 221 and block by its width direction, thereby realize fixedlying connected of trailing frame body 21 and core iron 22.
The outer wall of above-mentioned contact part 23 is meant, the general name of the exterior contour face of contact part 23 comprises each surface of its up, down, left, right, before and after; The inner hole wall of attachment hole 221 is meant the hole wall on all directions of attachment hole 221 inboards, can comprise various forms such as circular arc hole wall and step hole wall.
Particularly, in the present embodiment, contact part 23 is one of the forming with trailing frame body 21, contact part 23 has exterior arc surface 231 and the end face 232 that two locating faces promptly roughly are circular arc, wherein end face 232 is that the part is contacted with the diapire of the attachment hole 221 of core iron 22, and exterior arc surface 231 can contact with the diapire of the attachment hole 221 of core iron 22, also can be slightly less than the internal diameter of the attachment hole 221 of core iron 22, promptly do not contact with the diapire of the attachment hole 221 of core iron 22, but when trailing frame body 21 has slightly deformed or displacement, realize locating thereby promptly can take place to conflict.
In addition, above-mentioned contact part 23 can also be one, and is fixedly connected on the upper surface 211 or the lower surface 212 of trailing frame body 21, and contact part 23 can contact with the madial wall of attachment hole 221 by the locating face of its sidewall.This contact part 23 also can be two, is fixedly connected on the upper surface 211 and the lower surface 212 of trailing frame body 21 respectively, and the sidewall by separately contacts with the madial wall of attachment hole 221 respectively.Like this, be heated or during pressurized at trailing frame body 21, because the sidewall of contact part 23 and the madial wall of attachment hole 221 are contacted, thereby avoided the cooperation between trailing frame body 21 and the core iron 22 to be subjected to the influence of temperature and pressure, improved cooperating reliability and cooperating intensity of trailing frame body 21 and core iron 22.
Above-mentioned upper surface 211 and/or the contact part 23 on the lower surface 212 that is installed in trailing frame body 21 can contact by the locating face of its sidewall with the sidewall of attachment hole 221, and the locating face of the sidewall of contact part 23 has the radian that the sidewall with attachment hole is complementary.The radian at the contacted position of the locating face of the sidewall of contact part 23 and attachment hole 221 inwalls is complementary and is meant, thereby both can be in contact with one another or the local realization location that is in contact with one another when slightly deformed or displacement the part.
The number of above-mentioned contact part 23 can be two, is fixedly connected on the upper surface 211 of above-mentioned trailing frame body 21 and the lower surface 212 of trailing frame body 21 respectively.Like this, after trailing frame body 21 and core iron 22 assemblings were finished, two contact parts 23 contacted with attachment hole 221 inwalls of core iron 22 on both direction respectively, have further increased area of contact, thereby have further improved reliability of fixation.
The above-mentioned upper surface 211 of trailing frame body 21 and/or the contact part 23 on the lower surface 212 of being installed on, also be not limited to the form that sidewall has radian, as long as it can realize contacting with the madial wall or the inner roof wall of attachment hole 221, thereby improve the area of contact of the mating part of trailing frame body 21 and core iron 22, the concrete structure of any type of contact part 23 all can be used as specific embodiments of the invention.
Like this, because the outer wall of contact part 23 matches with the hole wall of attachment hole 221, increased the area of contact of the matching part of former trailing frame assembly and core iron 22, in the working procedure of selector valve, when the trailing frame assembly is heated, the part that trailing frame body 21 is installed in the attachment hole 221 may have the loosening trend that takes place, at this moment, thereby contact part 23 contacts with the hole wall of attachment hole 221 and can stop the loosening and perk of trailing frame body 21, thereby improved the crimping of trailing frame assembly and core iron 22, the fixing soundness and the ability of high temperature resistance high pressure and impact, and then improved the working stability of selector valve.
Can also be further improved the trailing frame assembly that is used for selector valve provided by the present invention.
Please refer to Fig. 6 and Fig. 7, the structural representation of the main apparent direction when Fig. 6 is in assembling condition for second kind of trailing frame assembly that embodiment provided of the present invention and core iron; Fig. 7 is the structural representation of the trailing frame assembly shown in Fig. 6 in the A direction.
In second kind of embodiment, above-mentioned contact part 23 can be platy structure, and is fixedly connected on the bottom end face of trailing frame body 21, and contact part 23 contacts as the diapire of locating face with attachment hole 221 by its end face 234; The periphery 233 of contact part 23 is also as second locating face in addition, in the working procedure of selector valve, when the trailing frame assembly is heated, the part that trailing frame body 21 is installed in the attachment hole 221 may have the loosening trend that takes place, at this moment, thereby second locating face 233 of contact part 23 contacts with the hole wall of attachment hole 221 and can stop the displacement or the distortion situations such as loosening or perk of trailing frame body 21, thereby improved the crimping of trailing frame assembly and core iron 22, fixing soundness and the ability of high temperature resistance high pressure and impact, and then improved the working stability of selector valve.Particularly, be fixed installation contact part 23 on the end face of trailing frame body 21, make the area of contact of end face 234 and the interior diapire of attachment hole 221 of contact part 23 to be provided with comparatively easily according to actual use condition, further improved reliability of fixation; And contact part 23 is comparatively convenient with being connected of trailing frame body 21, and combination uses material relatively to save relatively like this.
Above-mentioned contact part 23 can be fixedly installed in the end face of trailing frame body 21 by the mode of welding, also can be both are fixedly connected as contact part 23 is provided with a through hole or step hole by conventional other fixedly connected modes of using in related domain, contact part 23 and 21 crimping of trailing frame body are fixed or the like.
The end face of above-mentioned contact part 23 contacts as the bottom surface of first locating face with attachment hole 221, and also can contact between the sidewall of second locating face 233 of the sidewall of contact part 23 and attachment hole 221, area of contact with further raising trailing frame body and core iron 22, the sidewall of contact part 23 can not contact with the sidewall of attachment hole 221 yet, can have suitable gap between the two.
The end face that it is pointed out that above-mentioned contact part 23 is meant, the end face of the contact part 23 of close attachment hole 221 bottom surfaces one side.
The cross section of above-mentioned contact part 23 can be circle, the center of circle of this circular cross section is on the axis elongation line of above-mentioned attachment hole 221, and its diameter equals the width of trailing frame body 21 substantially, and trailing frame body 21 is installed in the attachment hole 221 by this circular contact part 23.Like this, directly be installed in the attachment hole 221, make the end face of contact part 23, side all closely contact, further improved the reliability of crimping with the inwall of attachment hole 221 by contact part 23.
Apparently, the shape of cross section of above-mentioned contact part 23 is not limited to circle, and it also can be other shapes, for example ellipse, frustoconic shape, semicircle etc.; But, have at least part to contact owing to should guarantee the end face of contact part 23 with the interior diapire of attachment hole 221, therefore, the end face of contact part 23 generally should be the plane.Above-mentioned cross section also is not limited to the width value that equals trailing frame body 21 for the diameter of circular contact part 23, satisfying under the situation of service condition, its diameter can be less than the width of trailing frame body 21, at this moment, only the roof by contact part 23 contacts with attachment hole, and has suitable gap between its sidewall and the attachment hole 221.
Trailing frame assembly provided by the present invention can also have other embodiment.
Please refer to Fig. 8 and Fig. 9, the structural representation of the main apparent direction when trailing frame assembly that Fig. 8 is provided for the third embodiment of the present invention and core iron are in assembling condition; Fig. 9 is the structural representation of the trailing frame assembly shown in Fig. 8 in the A direction.
In the third embodiment, contact part 23 provided by the present invention can comprise at least one kink, and contacts as the diapire of locating face with attachment hole 221 by the end face 236 of this kink.
The number of above-mentioned kink can be two, all thickness direction extension and the bearing of trend along the trailing frame body is opposite for both, two kinks on width direction, interlace from, so that with the perpendicular direction of width direction on contact with attachment hole 221, thereby realize improving the fixedly purpose of reliability preferably.
Above-mentioned kink and trailing frame body 21 have integral structure, and are processed by flanging by trailing frame body 21, thereby have simplified manufacturing procedure, and have improved the connection reliability between trailing frame body 21 and the contact part 23.
This kink can form to the both direction bending by trailing frame body 21, so that increase area of contact on both direction; Also can only bend in one direction.
In addition, for further guaranteeing reliability of fixation between the two, contact part 23 can also have the outer side surface 235 that second locating face is a kink in this mode of execution, outer side surface 235 can match with the sidewall of the inwall of the attachment hole 221 of core iron 22, particularly, the sidewall of outer side surface 235 and the inwall of the attachment hole 221 of core iron 22 between the two can close-fitting, also can have certain interval and directly do not contact and just prevent trailing frame body 21 distortion or displacement, promptly have under the situation of slightly deformed or displacement with the sidewall part of the inwall of the attachment hole 221 of core iron 22 to contact at trailing frame body 21.
Except above-mentioned trailing frame assembly, the present invention also provides a kind of selector valve that comprises above-mentioned trailing frame assembly, and other each several part structures of this selector valve please refer to prior art, do not repeat them here.
More than a kind of selector valve provided by the present invention and trailing frame assembly thereof are described in detail.Used specific case herein principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. trailing frame assembly that is used for selector valve, comprise the trailing frame body that is tabular, described trailing frame body is installed in the side on its width direction in the attachment hole of core iron of described selector valve, and described trailing frame body and described core iron are fixed by the end of crimping core iron; It is characterized in that, between described trailing frame body and the described core iron except the attachment hole of the sidepiece of the width direction of and described trailing frame body fixing by crimping or bottom and described core iron is located, described trailing frame body also is provided with the contact part that is used to locate, the area of contact when increasing the location with core iron.
2. the trailing frame assembly that is used for selector valve according to claim 1, it is characterized in that, described contact part is provided with a locating face at least, and described locating face contacts with the side or the bottom surface of described core iron, so that the area of contact when increasing location with core iron.
3. the trailing frame assembly that is used for selector valve according to claim 2, it is characterized in that, described locating face is the sidewall of described contact part, described contact part contacts with the sidewall of described attachment hole by its sidewall, and the sidewall of described contact part has the radian that the sidewall with described attachment hole is complementary.
4. the trailing frame assembly that is used for selector valve according to claim 3 is characterized in that the number of described contact part is two, is provided with or is fixedly connected on the upper surface of described trailing frame body and the lower surface of described trailing frame body respectively.
5. the trailing frame assembly that is used for selector valve according to claim 2, it is characterized in that, described contact part is the platy structure that is installed on described trailing frame body end face, and described locating face is the end face of described contact part, and described contact part contacts with the diapire of described attachment hole by its end face.
6. the trailing frame assembly that is used for selector valve according to claim 5, it is characterized in that, the shape of cross section of described contact part is circular, and this circular center of circle is on the axis elongation line of described attachment hole, and its diameter equals the width of described trailing frame body substantially.
7. the trailing frame assembly that is used for selector valve according to claim 2, it is characterized in that, described contact part has at least one kink, and described locating face is the end face of described kink, and described kink contacts with the diapire of described attachment hole by its end face.
8. according to the wherein arbitrary described trailing frame assembly that is used for selector valve of claim 1,2,3,4,7, it is characterized in that described contact part and described trailing frame body have integral structure.
9. the trailing frame assembly that is used for selector valve according to claim 8, it is characterized in that, the number of described contact part is two, both all along the thickness direction of described trailing frame body extend and bearing of trend opposite, two described kinks on width direction, interlace from.
10. a selector valve is characterized in that, comprises each described trailing frame assembly of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010111691 CN102155557A (en) | 2010-02-11 | 2010-02-11 | Reversing valve and dragging frame component thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010111691 CN102155557A (en) | 2010-02-11 | 2010-02-11 | Reversing valve and dragging frame component thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102155557A true CN102155557A (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010111691 Pending CN102155557A (en) | 2010-02-11 | 2010-02-11 | Reversing valve and dragging frame component thereof |
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| CN (1) | CN102155557A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155567A (en) * | 2010-02-11 | 2011-08-17 | 浙江三花制冷集团有限公司 | Reversing valve and core steel assembly thereof |
| 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 |
| CN106151590A (en) * | 2015-03-27 | 2016-11-23 | 珠海华宇金属有限公司 | A kind of flow channel switching valve pilot 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 |
| 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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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102155567A (en) * | 2010-02-11 | 2011-08-17 | 浙江三花制冷集团有限公司 | Reversing valve and core steel assembly thereof |
| 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 |
| CN103453203B (en) * | 2012-06-01 | 2017-02-15 | 浙江三花智能控制股份有限公司 | Core iron assembly and four-way reversing valve applying core iron assembly |
| CN106151590A (en) * | 2015-03-27 | 2016-11-23 | 珠海华宇金属有限公司 | A kind of flow channel switching valve pilot valve |
| CN106151590B (en) * | 2015-03-27 | 2019-01-04 | 珠海华宇金属有限公司 | A kind of flow channel switching valve pilot 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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Application publication date: 20110817 |