CN218582373U

CN218582373U - Pilot valve fixing device and switching valve

Info

Publication number: CN218582373U
Application number: CN202222681248.1U
Authority: CN
Inventors: 朱佳峰; 陈洪杰; 丰帆
Original assignee: Zhejiang Dunan Artificial Environment Co Ltd
Current assignee: Zhejiang Dunan Artificial Environment Co Ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-03-07
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a pilot valve fixing device and diverter valve, pilot valve fixing device include a support and a support, and the support is used for bearing the pilot valve, is equipped with a plurality of connecting plates on covering, and a plurality of connecting plates can cooperate with the support respectively to make a cover be connected to the support, and spacing pilot valve to the support; wherein, be equipped with a plurality of connecting portions on every connecting plate respectively, a plurality of connecting portions can cooperate with the support respectively to be connected to the support with the connecting plate that corresponds. The utility model has the advantages that: the reliability of the connection between the support and the support cover is enhanced, the stability is good, the pilot valve is not easy to shake, and the performance of the product is improved.

Description

Pilot valve fixing device and switching valve

Technical Field

The application relates to the technical field of switching valves, in particular to a pilot valve fixing device and a switching valve.

Background

The switching valve mainly comprises a main valve, a pilot valve and a pilot valve fixing device, wherein the pilot valve is installed on the outer wall of the main valve through the pilot valve fixing device, and the switching valve is usually used in an air conditioning system for changing the flow direction of refrigerant so as to realize switching between cooling and heating. The existing pilot valve fixing device comprises a supporting cover and a support, wherein four connecting plates are arranged on the periphery of the supporting cover and used for connecting the support.

However, only set up a knot ear on current every connecting plate, set up assorted draw-in groove on the corresponding support, lead to if there is a knot ear not the lock just can make the connecting plate at this knot ear place not hard up, arouse the pilot valve to rock, pilot valve fixing device's poor stability causes switching valve performance hidden danger easily.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a pilot valve fixing device and a switching valve that can improve stability.

In order to solve the technical problem, the application provides the following technical scheme:

a pilot valve fixing device is applied to a switching valve to fix a pilot valve; the pilot valve fixing device comprises a supporting cover and a support, the support is used for bearing the pilot valve, a plurality of connecting plates are arranged on the supporting cover, and the connecting plates can be respectively matched with the support, so that the supporting cover is connected to the support, and the pilot valve is limited to the support;

wherein, every be equipped with a plurality of connecting portion on the connecting plate respectively, it is a plurality of connecting portion respectively can with the support cooperation to with corresponding the connecting plate is spacing extremely the support.

It can be understood that, through all setting up a plurality of connecting portion on every connecting plate for the connection reliability between connecting plate and the support strengthens, thereby makes the connection between a lid and the support more firm, avoids not connecting to target in place because of a connecting portion and will cause the connecting plate at this connecting portion place and the support between be connected and produce not hard up, leads to the pilot valve to rock. The pilot valve has good stability, and the performance of the product is improved.

In one embodiment, a pressing plate is arranged on the supporting cover, the connecting plates are connected with the pressing plate, and the pressing plate is used for being abutted to the pilot valve so as to limit the pilot valve to the support.

It can be understood that the abutting plate and the connecting plates are assembled and matched, so that the abutting cover generates pretightening force for the pilot valve, meanwhile, the elastic deformation generated by the abutting plate is convenient for the connecting part on the connecting plate to be connected with the connecting matching part on the support, and the abutting cover is more convenient to assemble.

In one embodiment, the connecting parts are arranged on the connecting plate at intervals in a direction close to or far away from the pressing plate.

It can be understood that, so set up, be favorable to improving the joint strength between connecting plate and the support, also avoid mutual interference between a plurality of connecting portion simultaneously.

In one embodiment, the bracket is provided with a plurality of connection matching parts, the connection matching parts correspond to the connection parts one by one, and the connection matching parts can be matched with the corresponding connection parts simultaneously so as to limit the connection plate to the bracket.

It can be understood that, by providing a plurality of connection matching parts on the bracket, the connection part on the supporting cover can be matched and connected with the connection matching parts, so as to realize the connection between the supporting cover and the bracket.

In one embodiment, the connecting fitting portions are provided as fastening lugs, the connecting portions are provided as fastening grooves matched with the fastening lugs, and the fastening lugs can penetrate through the corresponding fastening grooves to limit the connecting plate to the bracket.

In one embodiment, the length direction of the clamping grooves is consistent with the arrangement direction of the plurality of clamping grooves, and the length of the clamping groove far away from the pressing plate is smaller than the length of the clamping groove close to the pressing plate.

It can be understood that, with such an arrangement, the clamping lug of the bracket farthest from one end of the pilot valve is prevented from being directly clamped into the clamping groove of the support cover farthest from one end of the abutting plate in the process that the connecting plate is connected to the bracket.

In one embodiment, a plurality of the connecting matching parts are arranged to be buckle grooves, a plurality of the connecting parts are arranged to be matched with lugs of the buckle grooves, and the lugs can penetrate through the corresponding buckle grooves to limit the connecting plates to the bracket.

In one embodiment, the connection matching parts are at least one first convex buckling plate and at least one first buckling hole, the connection parts are correspondingly provided with at least one second buckling hole and at least one second convex buckling plate which are matched, the first convex buckling plate can penetrate through the corresponding second buckling hole, and the second convex buckling plate can penetrate through the corresponding first buckling hole so as to limit the connection plate to the support.

In one embodiment, the connecting plate is provided with a guide inclined plate which can guide the connecting plate to be matched with the bracket and limit the matched connecting plate to be separated from the bracket.

It can be understood that, through the structure of the guide sloping plate, the assembly between the connecting plate and the bracket is facilitated, the matching between the support cover and the bracket can be more compact, and the effect of improving the connection stability between the support cover and the bracket is achieved.

In one embodiment, the number of the connecting parts on each connecting plate is 2.

It can be understood that the number of the connecting parts on each connecting plate is two, so that the actual production and manufacture of the bracket and the support cover are facilitated while the connecting strength between the connecting parts and the bracket is ensured.

The application also provides the following technical scheme:

a switching valve comprises a main valve, a pilot valve and a pilot valve fixing device, wherein the pilot valve is installed on the main valve through the pilot valve fixing device; the pilot valve fixing device is arranged as the pilot valve fixing device.

Compared with the prior art, the pilot valve fixing device that this application provided is through addding a plurality of connecting portion between connecting plate and support, make the reliability of being connected between every connecting plate and the support reinforcing, thereby strengthen the joint strength between a lid and the support, avoid in the connecting plate connecting portion not connect to target in place and will cause and take place to become flexible between this connecting plate and the support, the stability of pilot valve has been improved, the pilot valve is difficult to produce and rocks, the product property performance of diverter valve promotes.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of a support cover provided in the present application.

Fig. 2 is a schematic structural diagram of a viewing angle of the support cover provided in the present application.

Fig. 3 is a schematic structural diagram of another view angle of the support cover provided in the present application.

Fig. 4 is a perspective view of a stent provided by the present application.

Fig. 5 is a schematic view of a bracket according to the present application.

Fig. 6 is a perspective view of the switching valve provided in the present application.

Fig. 7 is a schematic structural diagram of a switching valve provided in the present application.

Fig. 8 is a schematic structural diagram of another view angle of the switching valve provided in the present application.

Reference numerals: 100. a pilot valve fixing device; 10. supporting a cover; 11. a connecting plate; 111. a connecting portion; 1111. a card slot; 112. a guide sloping plate; 12. pressing the plate; 20. a support; 21. a connection fitting portion; 211. buckling lugs; 22. a support plate; 221. positioning the bayonet; 23. a base plate; 200. a pilot valve; 300. a main valve.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used in the description of the present application are for illustrative purposes only and do not represent the only embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the description of the present application, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The pilot valve fixing device claimed in the present application is applied to a switching valve to fix the pilot valve 200, and particularly to fix the pilot valve 200 to the main valve 300.

Referring to fig. 1 to 5, the present application provides a pilot valve fixing device, including a supporting cover 10 and a bracket 20, where the bracket 20 is used to bear a pilot valve 200, the supporting cover 10 is provided with a plurality of connecting plates 11, and the plurality of connecting plates 11 can be respectively matched with the bracket 20, so that the supporting cover 10 is connected to the bracket 20, and the pilot valve 200 is limited to the bracket 20; wherein, be equipped with a plurality of connecting portion 111 respectively on every connecting plate 11, a plurality of connecting portion 111 respectively can cooperate with support 20 to be connected to corresponding connecting plate 11 to support 20.

The support cover 10 includes a connecting plate 11 and a pressing plate 12, and the bracket 20 is provided with a connecting fitting portion 21, a support plate 22 and a bottom plate 23. Set up a plurality of connecting portion 111 on connecting plate 11, a plurality of connecting portion 111 and a plurality of connection cooperation portions 21 one-to-one of assorted are connected to for every connecting plate 11 all is connected to on the support 20 through a plurality of connecting portion 111, can strengthen the connection reliability between connecting plate 11 and the support 20 like this, thereby make the connection between a lid 10 and the support 20 more firm, avoid because of a connecting portion 111 do not connect to target in place and will cause the connecting plate 11 and the support 20 between this connecting portion 111 place to be connected and produce not hard up, lead to pilot valve 200 to rock. The pilot valve has good stability, and the performance of the product is improved.

As shown in fig. 1 to 3, in an embodiment, the connecting portion 111 is provided with two locking slots 1111, the locking slots 1111 are spaced apart along a length direction of the connecting plate 11, the connecting engagement portion 21 matching with the locking slots 1111 is provided as a locking lug 211, the locking lug 211 is spaced apart along a length direction of the support plate 22, and the two locking lugs 211 can simultaneously penetrate through the locking slots 1111 and be locked with the locking slots 1111, so that the connecting plate 11 can be connected to the bracket 20 to realize the connecting engagement between the bracket cover 10 and the bracket 20. Of course, the number of the slots 1111 may also be three or four according to actual needs, and correspondingly, the fastening lugs 211 are also provided with the same number.

Preferably, the length direction of the clamping groove 1111 is consistent with the arrangement direction of the plurality of clamping grooves 1111, and the length of the clamping groove 1111 far away from the pressing plate 12 is smaller than the length of the clamping groove 1111 near the pressing plate 12. So that during the process of connecting the connecting plate 11 to the bracket 20, the fastening lug 211 of the bracket 20 farthest from the end of the pilot valve 200 is directly fastened into the fastening slot 1111 of the support cover 10 farthest from the end of the pressing plate 12.

As shown in fig. 6 to 8, when the pilot valve 200 is shaken by external force, the fastening lug 211 is fastened with the fastening groove 1111, so that the connection portion 111 and the connection matching portion 21 are tightly matched, and the problem that if one of the connection portions 11 is not fastened in place, the connection between the corresponding connection plate 11 and the bracket 20 is loosened, and the shaking of the pilot valve 200 is caused, which may cause potential product performance hazards is avoided.

In one embodiment, the connecting portion 111 is provided as two lugs (not shown) spaced along the length of the connecting plate 11, the connecting engagement portion 21 matching with the lugs is provided as a buckle slot (not shown) spaced along the length of the support plate 22, and the two lugs can simultaneously pass through the buckle slot and be clamped with the buckle slot, so that the connecting plate 11 can be connected to the bracket 20 to realize the connecting engagement between the support cover 10 and the bracket 20.

In an embodiment, the connecting portion 111 is configured as a first protruding buckle plate (not shown) and a first buckle hole (not shown), the first protruding buckle plate and the first buckle hole are arranged at intervals along the length direction of the connecting plate 11, a second buckle hole and a second protruding buckle plate are arranged corresponding to the connection matching portion 21 matched with the first protruding buckle plate and the first buckle hole, the second buckle hole and the second protruding buckle plate are arranged at intervals along the length direction of the supporting plate 22, and the first buckle hole and the first protruding buckle plate of the connecting portion 111 can be simultaneously matched and clamped with the second buckle hole and the second protruding buckle plate of the connection matching portion 21, so that the connecting plate 11 can be connected to the bracket 20, and the connection matching between the supporting cover 10 and the bracket 20 is specifically realized.

It should be noted that, for those skilled in the art, the connecting portion 111 and the connection matching portion 21 may be connected by riveting or screw bolt, and the details are not described herein.

In an embodiment, the connecting plate 11 of the support cover 10 is further provided with a guide inclined plate 112, the guide inclined plate 112 is arranged at the tail end of the connecting plate 11, the joint of the guide inclined plate 112 and the connecting plate 11 is bent towards the pilot valve 200, an installation space is formed between the abutting plate 12 and the connecting plate 11 to install the pilot valve 200, the installation space formed at the joint of the guide inclined plate 112 and the connecting plate 11 is narrowest, so that the installation space is formed into a shape gradually widening towards two ends, the guide inclined plate 112 can guide the assembly between the connecting plate 11 and the support 20, and the assembled connecting plate 11 is limited to be separated from the support, so that the support cover 10 and the support 20 are matched more tightly, and the connection stability between the support cover 10 and the support 20 is improved.

In an embodiment, the pressing plate 12 is substantially an arc-shaped panel, so that the lowest concave surface of the pressing plate 12 can press the pilot valve 200 during assembly, and the supporting cover 10 is elastically deformed, so that the connecting portions 111 on the connecting plate 11 can be simultaneously connected with the corresponding connecting matching portions on the bracket 20, thereby facilitating assembly of the supporting cover 10.

In an embodiment, the upper end of the fulcrum plate 22 is provided with a positioning bayonet 221, the positioning bayonet 221 provided on one fulcrum plate 22 is a rectangular notch, the positioning bayonet 221 provided on the other fulcrum plate 22 is a U-shaped notch, the connecting portion 111 is provided on both sides of the positioning bayonet 221, one end of the pilot valve 200 is placed on the positioning bayonet 221 during installation, and the outer wall of the pilot valve 200 abuts against the tangent position of the rectangular notch and the U-shaped notch of the positioning bayonet 221, so as to support the pilot valve 200. Of course, the positioning bayonets 221 on the two side brackets 22 may be both rectangular notches or both U-shaped notches as required by actual conditions.

In one embodiment, the bracket 20 is fixed on the main valve 300 by welding the bottom plate 23 to the outer wall of the main valve 300 by providing the support plate 22 on both sides of the bottom plate 23, thereby realizing the installation between the pilot valve fixing device 100 and the main valve 300.

In summary, according to the pilot valve fixing device 100 and the switching valve of the present application, a plurality of connecting portions are disposed on each connecting plate 11 of the supporting cover 10, and a plurality of connecting matching portions 21 matched with the connecting portions 111 are correspondingly disposed on the bracket 20, so that the reliability of the connection between the supporting cover 10 and the bracket 20 is enhanced, even if one connecting portion 111 and one connecting matching portion 21 between the connecting plate 11 and the bracket 20 are not connected in place, the connecting plate 11 also has other connecting portions 111 to play a connecting role, so that the pilot valve 200 is not prone to shake, and the potential performance hazard of the switching valve is avoided.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. A pilot valve securing arrangement for securing a pilot valve (200) to a main valve; the pilot valve fixing device (100) is characterized by comprising a supporting cover (10) and a support (20), wherein the support (20) is used for bearing the pilot valve (200), a plurality of connecting plates (11) are arranged on the supporting cover (10), and the connecting plates (11) can be respectively matched with the support (20) so that the supporting cover (10) is connected to the support (20) and the pilot valve (200) is limited to the support (20);

wherein, be equipped with a plurality of connecting portion (111) respectively on every connecting plate (11), a plurality of connecting portion (111) all can with support (20) cooperation to with corresponding connecting plate (11) spacing to support (20).

2. The pilot valve fixing device according to claim 1, wherein a pressing plate (12) is arranged on the supporting cover (10), the plurality of connecting plates (11) are connected with the pressing plate (12), and the pressing plate (12) is used for abutting against the pilot valve (200) so as to limit the pilot valve (200) to the bracket (20).

3. A pilot valve fixing device according to claim 2, wherein a plurality of said connecting portions (111) are provided at intervals on said connecting plate (11) in a direction approaching or departing from said pressing plate (12).

4. The pilot valve fixing device according to claim 3, wherein a plurality of connecting matching parts (21) are arranged on the support (20), the connecting matching parts (21) correspond to the connecting parts (111) one by one, and the connecting matching parts (21) can be matched with the corresponding connecting parts (111) simultaneously to limit the connecting plate (11) to the support (20).

5. The pilot valve fixing device according to claim 4, wherein a plurality of said connection fitting portions (21) are provided as catching lugs (211), a plurality of said connection portions (111) are provided to be matched with catching grooves (1111) of said catching lugs (211), and said catching lugs (211) can pass through the corresponding catching grooves (1111) to limit the connection plate (11) to the bracket (20).

6. The pilot valve fixing device according to claim 5, wherein the length direction of the clamping groove (1111) is identical to the arrangement direction of the plurality of clamping grooves (1111), and the length of the clamping groove (1111) far away from the pressing plate (12) is smaller than the length of the clamping groove (1111) near the pressing plate (12).

7. A pilot valve fixing arrangement according to claim 4, characterised in that a plurality of said connection cooperating portions (21) are provided as snap-grooves and a plurality of said connecting portions (111) are provided as lugs matching said snap-grooves, said lugs being capable of passing through the corresponding snap-grooves to retain said connecting plate (11) to said bracket (20).

8. The pilot valve fixing device according to claim 4, wherein a plurality of the connecting matching parts (21) are arranged into at least one second convex buckle plate and at least one second buckle hole, a plurality of the connecting parts (111) are correspondingly arranged into at least one first buckle hole and at least one first convex buckle plate which are matched, the first convex buckle plate can penetrate through the corresponding second buckle hole, and the second convex buckle plate can penetrate through the corresponding first buckle hole to limit the connecting plate (11) to the bracket (20).

9. The pilot valve fixing device according to claim 5, characterized in that a guide inclined plate (112) is arranged on the connecting plate (11), and the guide inclined plate (112) can guide the connecting plate (11) to be matched with the bracket (20).

10. Pilot valve fixing arrangement according to claim 4, characterised in that the number of connections (111) on each connection plate (11) is set to 2.

11. A switching valve comprises a pilot valve (200), a main valve (300) and a pilot valve fixing device, wherein the pilot valve (200) is arranged on the main valve (300) through the pilot valve fixing device;

characterized in that the pilot valve fixation device is arranged as a pilot valve fixation device (100) according to any of the claims 1-10.