Gas distribution valve assembly

Abstract

The utility model relates to the field of valve structures, and discloses a gas distribution valve assembly which comprises a solenoid shell and a valve body shell, a plurality of circuit board supporting columns and a plurality of solenoid positioning structures are arranged on the solenoid shell, and the circuit board supporting columns and the solenoid positioning structures are used for positioning circuit boards and solenoids respectively. An electromagnetic valve and an air pipe connector are connected to the valve body shell, the upper end of the solenoid is connected with the electromagnetic valve in an inserted mode, and the valve body shell is detachably connected to the upper end of the solenoid shell. The gas distribution valve assembly has the beneficial effects that the solenoid, the circuit board, the valve shell and the solenoid shell are connected together through injection molding and glue pouring by arranging a mechanical positioning structure instead of glue pouring, so that the total weight of the gas distribution valve assembly is reduced, the gas distribution valve assembly can be applied to a new energy automobile which pays attention to light weight, and the universality of the gas distribution valve assembly is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the valve structure's technology, concretely relates to a gas distribution valve assembly. BACKGROUND

[0002] With the continuous progress of the automobile industry, air spring suspension system is gradually becoming the standard of modern cars, especially the medium and high-end models. Air spring suspension system has been widely used because of its excellent driving comfort and excellent handling performance, and has become one of the important technologies to improve the driving experience of vehicles. In this suspension system, the gas distribution valve as a key component controls the air spring inflation process, directly affecting the overall performance and efficiency of the system.

[0003] The traditional air distribution valve adopts injection molding + glue filling forming process, and the glue filling temperature is 150 to 170 degrees. The material of solenoid, sensor, circuit board and PIN needle can withstand high temperature. The solenoid, circuit board and valve shell are packaged together, so that the gap between the parts is filled with glue, and there is a large amount of glue in the distribution valve, which leads to the total weight of the gas distribution valve assembly, which does not meet the application in the new energy vehicles focusing on lightweight. UTILITY MODEL CONTENTS

[0004] The utility model wants to solve the technical problem that the traditional air distribution valve adopts injection molding + glue filling forming process, which leads to the total weight of the gas distribution valve assembly, which does not meet the application in the new energy vehicles focusing on lightweight. The purpose is to provide a kind of gas distribution valve assembly, by setting mechanical structure positioning instead of injection molding glue filling to connect each structure together, reduce the total weight of the gas distribution valve assembly, to meet the application in the new energy vehicles focusing on lightweight, also reduce the requirement of high temperature resistance of the material of solenoid, sensor, circuit board and PIN needle.

[0005] The utility model realizes by the following technical scheme:

[0006] A kind of gas distribution valve assembly, including solenoid shell and valve body shell, several circuit board struts and several solenoid positioning structures are provided on the solenoid shell, and the circuit board struts and solenoid positioning structures are respectively used for positioning circuit board and solenoid;Electromagnetic valve and gas pipe joint are connected on the valve body shell, the upper end of the solenoid is inserted with the electromagnetic valve, and the valve body shell is detachably connected at the upper end of the solenoid shell, also reduce the requirement of high temperature resistance of the material of solenoid, circuit board and PIN needle.

[0007] The utility model discloses beneficial effect is, through setting up several circuit board pillar and several solenoid positioning structure on solenoid shell respectively to the mechanical structure positioning of positioning circuit board and solenoid, still have solenoid valve and gas pipe joint on valve body shell, valve body shell is detachably connected in the upper end of solenoid shell, under the premise that solenoid has been positioned, the upper end of solenoid is inserted with solenoid valve, so that solenoid and solenoid valve can keep insertion, ensure the stability of solenoid valve connecting point, instead of through pouring glue and solenoid, circuit board, valve shell and solenoid shell injection glue connection together, reduce the overall weight of gas distribution valve assembly, to satisfy in the new energy automobile application of light weight, improve the versatility of gas distribution valve assembly.

[0008] In some embodiments, the valve body shell is provided with a gas passage and a valve mounting hole, the gas passage communicates with the valve mounting hole, and the top of the solenoid valve is located in the valve mounting hole. By providing the valve mounting hole, the solenoid valve is easily positioned, and the gas passage communicates with the valve mounting hole, so that the gas passage is easily opened and closed by the solenoid valve.

[0009] In some embodiments, the valve body shell is integrally formed with a sealing seat, the sealing seat is located at the inlet end of the gas passage, the sealing seat is provided with a through hole communicating with the gas passage, and the through hole constitutes a section of the gas passage. By integrally forming the sealing seat and the valve shell, the number of parts is reduced, the structure is simplified, the overall axial size after the sealing seat and the valve shell are connected is reduced, the product is more compact, the path of gas leakage is also reduced, the sealing performance and reliability of the valve are improved, the risk of gas leakage is reduced, the performance stability of the system is enhanced, the number of parts is also reduced, and the production cost is reduced, so that the entire system has high performance and cost-effectiveness.

[0010] In some embodiments, the sealing seat is integrally formed in an inverted conical column shape, the sealing seat is located in the valve mounting hole, and the lower end of the sealing seat abuts against the free end of the valve rod of the solenoid valve when the solenoid valve closes the gas passage. By integrally forming the sealing seat in an inverted conical column shape, and abutting the lower end of the sealing seat against the free end of the valve rod of the solenoid valve when the solenoid valve closes the gas passage, the contact area of the sealing seat and the valve rod is reduced, and excessive contact area is prevented from interfering with the valve rod, so as to ensure the effect of the valve rod sealing the gas passage.

[0011] In some embodiments, the solenoid shell is integrally formed in a rectangular shell shape, the circuit board pillar is arranged at the bottom of the inner side of the solenoid shell, and the circuit board is provided with a plurality of positioning holes corresponding to the axial holes of the circuit board pillars. By arranging the circuit board pillar at the bottom of the inner cavity of the solenoid shell and matching the positioning holes on the circuit board, the circuit board is positioned to prevent displacement of the circuit board during operation.

[0012] In some embodiments, the solenoid positioning structure comprises a plurality of solenoid positioning columns arranged at the bottom of the inner cavity of the solenoid shell, and the outer periphery of the solenoid abuts against the side wall of the corresponding solenoid positioning column and the inner side wall of the solenoid shell. By arranging the solenoid positioning column, the outer periphery of the solenoid abuts against the side wall of the corresponding solenoid positioning column and the inner side wall of the solenoid shell, thereby limiting the solenoid in the corresponding mounting position.

[0013] In some embodiments, the side wall of the solenoid positioning column is provided with a circular arc part, and the side wall of the solenoid shell is also provided with a circular arc part, and at least three circular arc parts abut against the outer periphery of the corresponding solenoid. By arranging the circular arc part to abut against the outer periphery of the solenoid, the contact area with the outer periphery of the solenoid is increased, and the limiting effect is improved.

[0014] In some embodiments, the side wall of the circular arc part is provided with a limiting column protruding from the circular arc part, the cross section of the limiting column is semicircular, and the limiting column abuts against the solenoid. By arranging the limiting column and setting the limiting column to be semicircular, one solenoid abuts against three limiting columns (line contact) respectively, thereby reducing the overall machining difficulty of the solenoid positioning structure.

[0015] In some embodiments, the top of the solenoid positioning column and the side wall of the solenoid shell are both provided with a point gluing groove, and the outer periphery of the solenoid is fixedly connected with the corresponding solenoid positioning column and the solenoid shell through glue located in the corresponding point gluing groove. By fixing the outer periphery of the solenoid with the corresponding solenoid positioning column and the solenoid shell through glue located in the corresponding point gluing groove, on the basis of limiting the solenoid positioning structure, a small amount of glue is used to fix the solenoid, thereby preventing the displacement of the solenoid during work and ensuring the contact with the electromagnetic valve.

[0016] In some embodiments, the inner side of one end of the air pipe joint connected with the valve body shell is provided with a reverse buckle, and the inner side of the other end is provided with a sealing ring mounting hole, the reverse buckle is used to tightly hold the air pipe, the air pipe joint is connected at the top of the valve body shell, and the air hole of the air pipe joint is communicated with the air path. Three O-shaped sealing rings are installed in the air pipe joint, dust prevention and air tightness are realized, the bottom of the air pipe joint has a reverse buckle structure, the air pipe joint is deformed and shrunk inward during the process of being screwed into the valve body assembly shell, and the quick insertion and holding effect of the air pipe is realized.

[0017] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0018] 1. By setting several circuit board supports and several solenoid positioning structures on the solenoid shell to respectively position the positioning circuit board and the solenoid in mechanical structure, under the premise of solenoid positioning, the upper end of the solenoid is inserted with the electromagnetic valve, so that the solenoid and the electromagnetic valve can be kept inserted, instead of connecting the solenoid, the circuit board, the valve shell and the solenoid shell together by pouring glue, reducing the overall weight of the gas distribution valve assembly, to meet the application in the new energy vehicles focusing on lightweight.

[0019] 2. By integrally forming the sealing seat and the valve shell, the number of parts is reduced, the structure is simplified, the overall axial size of the sealing seat and the valve shell after connection is reduced, the product is more compact, and the path of gas leakage is also reduced, the sealing performance and reliability of the valve are improved, thereby reducing the risk of gas leakage and enhancing the performance stability of the system.

[0020] 3. By setting the sealing seat as a whole as an inverted conical column, and in the state that the electromagnetic valve closes the gas path channel, the lower end of the sealing seat abuts against the free end of the valve rod of the electromagnetic valve, the contact area of the sealing seat and the valve rod is reduced, and excessive contact area is prevented from interfering with the valve rod, so as to ensure the effect of the valve rod sealing the gas path channel. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings described herein are used to provide further understanding of the embodiments of the present application, constitute a part of the present application, and do not constitute a limitation on the embodiments of the present application. In the drawings:

[0022] Figure 1 is an exploded view of the present application;

[0023] Figure 2 is a top view of the present application;

[0024] Figure 3 is a sectional view of the present application Figure 2 A-A in the present application;

[0025] Figure 4 is a schematic view of the electromagnetic valve not sealing the gas path channel in the present application;

[0026] Figure 5 is a structure view of the solenoid shell in the present application;

[0027] Figure 6 is a sectional view of the gas pipe joint in the present application.

[0028] Markings in the drawings and corresponding names of parts:

[0029] Valve body shell 10, sealing seat 11, gas path channel 12, valve mounting hole 13, gas pipe joint 14, reverse buckle 141, sealing ring mounting hole 142, electromagnetic valve 20, valve rod 21, solenoid shell 30, circuit board support 31, limit column 33, circular arc part 331, wire tube positioning column 34, dispensing groove 35, circuit board 40, solenoid 50. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with examples and drawings, the schematic implementation mode of the utility model and its description are only used to explain the utility model, and are not used as the limitation of the utility model.

[0031] In the whole specification, the mention of "one embodiment", "embodiment", "one example" or "example" means that the specific features, structures or characteristics described in combination with the embodiment or example are included in at least one embodiment of the utility model. Therefore, the phrases "one embodiment", "embodiment", "one example" or "example" appearing in various places in the whole specification do not necessarily refer to the same embodiment or example. In addition, specific features, structures or characteristics can be combined in one or more embodiments or examples in any appropriate combination and / or subcombination. In addition, those skilled in the art should understand that the drawings provided herein are for illustrative purposes, and the drawings are not necessarily drawn to scale. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0032] In the description of the utility model, the orientation or position relationship indicated by the terms "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the utility model.

[0033] The terms "first", "second" and the like used in the utility model are only for the sake of clear description of corresponding parts, and are not intended to limit any order or emphasize importance. In addition, the term "connection" used in this paper can be direct connection or indirect connection via other components without special description. EMBODIMENT

[0034] The embodiment provides a kind of gas distribution valve assembly, referring to Figures 1-6, including a solenoid shell 30 and a valve body shell 10, the solenoid shell 30 is provided with a plurality of circuit board supports 31 and a plurality of solenoid 50 positioning structures, the circuit board supports 31 and the solenoid 50 positioning structures are respectively used for positioning a circuit board 40 and a solenoid 50; the valve body shell 10 is connected with a solenoid valve 20 and a gas pipe joint 14, the upper end of the solenoid 50 is inserted with the solenoid valve 20, and the valve body shell 10 is detachably connected to the upper end of the solenoid shell 30. By mechanical positioning structure instead of pouring glue to connect the solenoid 50, the circuit board 40, the valve shell and the solenoid 50 shell together, the total weight of the gas distribution valve assembly is reduced to meet the application in the new energy vehicle focusing on light weight, and the versatility of the gas distribution valve assembly is improved.

[0035] Referring to Figure 3 and Figure 4 , the valve body shell 10 is provided with a gas path channel 12 and a valve mounting hole 13, the gas path channel 12 communicates with the valve mounting hole 13, and the top of the solenoid valve 20 is located in the valve mounting hole 13. By providing the valve mounting hole 13, the solenoid valve 20 is positioned, and the gas path channel is communicated with the valve mounting hole 13, so that the gas path channel 12 is opened and closed by the solenoid valve 20.

[0036] Referring to Figure 3 and Figure 4 , the valve body shell 10 is integrally formed with a sealing seat 11, the sealing seat 11 is located at the inlet end of the gas path channel 12, the sealing seat 11 is provided with a through hole communicated with the gas path channel 12, and the through hole constitutes a section of the gas path channel 12. By integrally forming the sealing seat 11 and the valve shell, the number of parts is reduced, the structure is simplified, the overall axial size of the sealing seat 11 and the valve shell after connection is reduced, the product is more compact, the path of gas leakage is also reduced, the sealing performance and reliability of the valve are improved, the risk of gas leakage is reduced, the performance stability of the system is enhanced, the number of parts is also reduced, the production cost is reduced, and the whole system has high performance and cost-effectiveness.

[0037] Referring to Figure 3 and Figure 4, the sealing seat 11 is in the form of an inverted conical column as a whole, and the sealing seat 11 is located in the valve mounting hole 13, and the lower end of the sealing seat 11 abuts against the free end of the valve rod 21 of the electromagnetic valve 20 in the state that the electromagnetic valve 20 closes the air passage 12. By setting the sealing seat 11 in the form of an inverted conical column as a whole, and the lower end of the sealing seat 11 abuts against the free end of the valve rod 21 of the electromagnetic valve 20 in the state that the electromagnetic valve 20 closes the air passage 12, the contact area of the sealing seat 11 and the valve rod 21 is reduced, and excessive contact area is prevented from interfering with the valve rod 21, so as to ensure the effect of the valve rod 21 sealing the air passage 12. Specifically, the free end of the valve rod 21 is provided with a flexible component such as rubber and silicone, and the flexible component abuts against the sealing seat 11, so as to improve the effect of sealing the air passage 12.

[0038] Referring to Figure 1 and Figure 5 , the solenoid housing 30 is in the form of a rectangular shell as a whole, the circuit board support 31 is arranged at the bottom of the inner side of the solenoid housing 30, and the circuit board 40 is provided with a plurality of positioning holes which are respectively matched with the corresponding axial holes of the circuit board support 31. By arranging the circuit board support 31 at the bottom of the inner cavity of the solenoid housing 30 and matching the positioning holes on the circuit board 40, the circuit board 40 is positioned, so as to prevent the displacement of the circuit board 40 during work.

[0039] Referring to Figure 1 and Figure 5 , the solenoid 50 positioning structure comprises a plurality of solenoid positioning columns 34, the solenoid positioning columns 34 are arranged at the bottom of the inner cavity of the solenoid housing 30, and the outer periphery of the solenoid 50 abuts against the side wall of the corresponding solenoid positioning column 34 and the inner side wall of the solenoid housing 30. By arranging the solenoid positioning column 34, the outer periphery of the solenoid 50 abuts against the side wall of the corresponding solenoid positioning column 34 and the inner side wall of the solenoid housing 30, so as to limit the solenoid 50 in the corresponding mounting position.

[0040] Referring to Figure 1 and Figure 5 , the side wall of the solenoid positioning column 34 is provided with a circular arc part 331, the side wall of the solenoid housing 30 is also provided with a circular arc part 331, and at least three circular arc parts 331 abut against the outer periphery of the corresponding solenoid 50. By arranging the circular arc part 331 to abut against the outer periphery of the solenoid 50, the contact area with the outer periphery of the solenoid 50 is increased, and the limiting effect is improved.

[0041] Referring to Figure 1 and Figure 5The side wall of the circular arc part 331 is provided with a limiting column 33 protruding from the circular arc part 331, the limiting column 33 is in half circular shape in cross section, and the limiting column 33 abuts against the solenoid 50. By arranging the limiting column 33 and arranging the limiting column 33 in half circular shape, one solenoid 50 abuts against (line contact) three limiting columns 33 respectively, so that the overall machining difficulty of the solenoid 50 positioning structure is reduced.

[0042] Referring to Figure 1 and Figure 5 The top of the wire tube limiting column 34 and the side wall of the solenoid shell 30 are both provided with a point gluing groove 35, and the outer periphery of the solenoid 50 is fixedly connected with the corresponding wire tube limiting column 34 and the solenoid shell 30 through glue in the corresponding point gluing groove 35. By fixingly connecting the outer periphery of the solenoid 50 with the corresponding wire tube limiting column 34 and the solenoid shell 30 through glue in the corresponding point gluing groove 35 (the glue is flexible after solidification, such as silicone glue and polyurethane glue), the solenoid 50 is fixedly connected on the basis of being limited by the solenoid 50 positioning structure, so as to prevent the solenoid 50 from being displaced during work and ensure that the solenoid 50 maintains contact with the electromagnetic valve 20.

[0043] Referring to Figure 1 and Figure 2 The air pipe joint 14 is connected to the top of the valve body shell 10, and the air hole of the air pipe joint 14 communicates with the air path channel 12. The inner side of one end of the air pipe joint 14 connected with the valve body shell 10 is provided with a reverse buckle 141, and the inner side of the other end is provided with a sealing ring mounting hole 142. The reverse buckle 141 is used to tightly hold the air pipe. The air pipe joint 14 is connected to the top of the valve body shell 10, and the air hole of the air pipe joint 14 communicates with the air path channel 12. Three O-shaped sealing rings are arranged in the air pipe joint 14, so as to achieve the dustproof and air tightness effect; the bottom of the air pipe joint 14 is provided with the reverse buckle 141, and the air pipe joint 14 is deformed and shrunk inward during the process of being screwed into the valve body shell, so as to realize the quick insertion and holding of the air pipe.

[0044] The above specific embodiments further illustrate the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only a specific embodiment of the utility model, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A gas distribution valve assembly, characterized by, The utility model relates to a solenoid valve, including: Solenoid shell (30) is provided with a plurality of circuit board support (31) and a plurality of solenoid (50) positioning structure on it, the circuit board support (31) is used for positioning circuit board (40), the solenoid (50) positioning structure is used for positioning solenoid (50); Valve body shell (10) is connected with electromagnetic valve (20) and air pipe joint (14) on it, the upper end of solenoid (50) is inserted with electromagnetic valve (20), and the valve body shell (10) is detachably connected at the upper end of solenoid shell (30).

2. The gas distribution valve assembly of claim 1, wherein, The valve body shell (10) is provided with air passage (12) and valve mounting hole (13), the air passage (12) is communicated with the valve mounting hole (13), and the top of the electromagnetic valve (20) is located in the valve mounting hole (13).

3. The gas distribution valve assembly of claim 2, wherein, The valve body shell (10) is integrally formed with a sealing seat (11), which is located at the inlet end of the air passage (12), and the sealing seat (11) is provided with a through hole communicated with the air passage (12), and the through hole constitutes a section of the air passage (12).

4. The gas distribution valve assembly of claim 3, wherein, The sealing seat (11) is a whole inverted conical column, and the sealing seat (11) is located in the valve mounting hole (13), and in the state that the electromagnetic valve (20) closes the air passage (12), the lower end of the sealing seat (11) abuts against the free end of the valve stem (21) of the electromagnetic valve (20).

5. The gas distribution valve assembly of claim 1, wherein, The solenoid shell (30) is a whole rectangular shell, the circuit board support (31) is arranged at the bottom of the inner side of the solenoid shell (30), and the circuit board (40) is provided with a plurality of positioning holes matched with the corresponding axial holes of the circuit board support (31).

6. The gas distribution valve assembly of claim 5, wherein, The solenoid (50) positioning structure includes a plurality of coil tube positioning columns (34), the coil tube positioning columns (34) are arranged at the bottom of the inner cavity of the solenoid shell (30), and the outer periphery of the solenoid (50) abuts against the side wall of the corresponding coil tube positioning column (34) and the inner side wall of the solenoid shell (30).

7. The gas distribution valve assembly of claim 6, wherein, The side wall of the coil tube positioning column (34) is provided with a circular arc part (331), and the side wall of the solenoid shell (30) is also provided with a circular arc part (331), and at least three circular arc parts (331) abut against the outer periphery of the corresponding solenoid (50).

8. The gas distribution valve assembly of claim 7, wherein, The side wall of the circular arc part (331) is provided with a limiting column (33) protruding from the circular arc part (331), the cross section of the limiting column (33) is semicircular, and the limiting column (33) abuts against the solenoid (50).

9. The gas distribution valve assembly of claim 7, wherein, The top of the coil tube positioning column (34) and the side wall of the solenoid shell (30) are provided with a point gluing groove (35), and the outer periphery of the solenoid (50) is fixedly connected with the corresponding coil tube positioning column (34) and the solenoid shell (30) through the glue in the corresponding point gluing groove (35).

10. The gas distribution valve assembly of any of claims 2-4, wherein, The gas pipe joint (14) is connected with the valve body shell (10), and the inner side of one end is provided with a reverse buckle (141) for holding the gas pipe, and the inner side of the other end is provided with a sealing ring mounting hole (142). The gas pipe joint (14) is connected to the top of the valve body shell (10), and the gas hole of the gas pipe joint (14) is communicated with the gas path channel (12).

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