CN219639599U - Stop valve - Google Patents

Abstract

The utility model relates to a stop valve, which comprises a valve body and a flange, wherein the valve body and the flange are split, the flange is arranged on the valve body and fixedly connected with the valve body, a limiting part is arranged on the valve body, limiting matching parts are arranged on the flange, the limiting parts are arranged at intervals along the circumferential direction of the valve body, and each limiting matching part can be matched with the corresponding limiting part so as to circumferentially limit the flange to the valve body. The utility model has the advantages that: the limiting part is arranged on the valve body and the flange respectively and matched with the limiting matching part, the circumferential limitation between the valve body and the flange is enhanced, the solder is not easy to crack, the circumferential displacement between the flange and the valve body is not easy to occur, and the installation stability between the flange and the valve body is improved.

Description

Stop valve

Technical Field

The utility model relates to the technical field of valves, in particular to a stop valve.

Background

The stop valve is commonly used in an air conditioning system for controlling the on-off of a refrigerant.

The stop valve consists of a valve body and a flange, and is fixed on the mounting plate through the flange in the actual use process; currently, in order to reduce the cost, the related art stop valve is generally manufactured by separately manufacturing a valve body and a flange, and then limiting the flange to the valve body by welding. However, only through the spacing valve body of welded fastening's mode and flange, when leading to the stop valve to receive external force drive, the solder between valve body and the flange splits easily, and both take place circumference displacement easily, and the installation stability between valve body and the flange is relatively poor.

Disclosure of Invention

Based on this, it is necessary to provide a shut-off valve that improves the stability of the installation between the flange and the valve body.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a stop valve, includes valve body and flange, the valve body with the flange is split type, the flange install in on the valve body and with valve body fixed connection, be equipped with spacing portion on the valve body, be provided with spacing cooperation portion on the flange, spacing portion is followed valve body circumference interval sets up, and every spacing cooperation portion can with corresponding spacing portion cooperation, in order to with the flange circumference is spacing to on the valve body.

It can be understood that set up spacing portion and spacing cooperation portion respectively on valve body and flange and cooperate, strengthen the circumference spacing between the two for the solder is difficult to fracture, is difficult to take place circumference displacement between flange and the valve body, improves the installation stability between flange and the valve body.

In one embodiment, the number of the limit matching parts is two, and the two limit matching parts are located at the periphery of the valve body and can be matched with the corresponding limit parts.

It can be understood that through setting up two spacing cooperation portions in the periphery of valve body, be favorable to operating personnel direct observation spacing portion and spacing cooperation portion's position, be convenient for the assembly between flange and the valve body.

In one embodiment, the flange is provided with a through hole, and the flange can be sleeved on the valve body through the through hole;

wherein, two spacing cooperation portions set up in on the pore wall of through-hole.

It can be understood that the flange can be stably assembled on the valve body through the through hole formed in the flange and the cooperation of the limit matching part.

In one embodiment, the limit fit portion is provided as a step having a step face; and the limiting part is arranged as a notch formed in the peripheral wall of the valve body, the bottom of the notch is arranged as a matching surface, and the matching surface is attached to the step surface.

It can be appreciated that the step surface of the step is matched with the matching surface of the notch, so that a specific embodiment of the limit matching part and the limit part is realized.

In one embodiment, the limit matching part is provided with a groove, and the groove is formed by recessing inwards from the hole wall of the through hole along the radial direction of the through hole; and the limiting part is provided with a lug, the lug is arranged protruding outwards from the peripheral wall of the valve body, the lug is matched with the groove, and the lug is positioned in the groove.

It will be appreciated that the recess is configured to mate with the lug to achieve one embodiment of the limit mating portion and the limit portion.

In one embodiment, the limit matching part is provided with a positioning convex column, and the positioning convex column is arranged in a protruding way towards the direction part of the valve body relative to the flange; and the limiting part is arranged as a positioning groove formed in the peripheral wall of the valve body, the positioning groove is formed by inwards sinking the peripheral wall of the valve body, the positioning groove is matched with the positioning convex column, and at least part of the positioning convex column is positioned in the positioning groove.

It can be appreciated that the positioning convex column is matched with the positioning groove, so that a specific embodiment of the limit matching part and the limit part is realized.

In one embodiment, a plurality of the positioning grooves are arranged on the outer peripheral wall of the valve body at intervals along the circumferential direction of the valve body;

wherein the number of the positioning grooves is more than two.

It can be understood that the number of the positioning grooves is greater than two, that is, the number of the positioning grooves is greater than the number of the positioning convex columns, so that each positioning convex column on the flange can be matched with the corresponding positioning groove on the valve body according to the actual use requirement, and the assembly angle of the flange on the valve body can be adjusted to meet the use requirement of the valve body in different installation directions through the flange.

In one embodiment, the limiting part is a positioning convex plate, and the positioning convex plate is arranged on one end surface of the valve body, which faces the flange; and the limit matching part is arranged as a side end face along the width direction on the flange, the positioning convex plate comprises a horizontal plane, and the horizontal plane is attached to the side end face.

It can be appreciated that the horizontal plane of the positioning convex plate is matched with the side end face in a fitting way, so that a specific embodiment of the limiting part and the limiting matching part is realized.

In one embodiment, the positioning convex plate comprises an outer peripheral surface, the outer peripheral surface is connected with the horizontal surface, and the outer peripheral surface is aligned with the outer peripheral wall of the valve body along the axial direction of the valve body.

It will be appreciated that such an arrangement facilitates the integrated forming process of locating the boss and valve body.

In one embodiment, the flange is provided as a stainless steel member.

It can be appreciated that the existing flange generally uses brass materials, and the stainless steel member is selected as the flange material, so that the strength of the flange can be improved, and the stability of the flange after being installed is improved.

Due to the application of the scheme, compared with the prior art, the utility model has the following advantages:

according to the stop valve disclosed by the utility model, the limiting part and the limiting matching part are respectively arranged on the valve body and the flange to be matched, so that the circumferential limit between the valve body and the flange is enhanced, the welding flux is not easy to crack, the flange and the valve body are not easy to displace circumferentially, the installation stability between the flange and the valve body is improved, and the flange can be produced by adopting materials with lower cost relative to the valve body, so that the production cost of the stop valve is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present utility model, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following descriptions are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a perspective view of a stop valve according to an embodiment of the present utility model.

Fig. 2 is a perspective view of a valve body according to an embodiment of the present utility model.

Fig. 3 is a perspective view of a flange according to an embodiment of the present utility model.

Fig. 4 is a perspective view of a stop valve according to a second embodiment of the present utility model.

Fig. 5 is a perspective view of a valve body according to a second embodiment of the present utility model.

Fig. 6 is a perspective view of a flange according to a second embodiment of the present utility model.

Fig. 7 is a perspective view of a stop valve according to a third embodiment of the present utility model.

Fig. 8 is a schematic view of a valve body according to a third embodiment of the present utility model.

Fig. 9 is a schematic view of another angle of the valve body according to the third embodiment of the present utility model.

Fig. 10 is a schematic view of a flange according to a third embodiment of the present utility model.

Fig. 11 is a perspective view of a stop valve according to a fourth embodiment of the present utility model.

Fig. 12 is a perspective view of a valve body according to a fourth embodiment of the present utility model.

Fig. 13 is a schematic view of a flange according to a fourth embodiment of the present utility model.

Reference numerals: 100. a stop valve; 10. a valve body; 11. a limit part; 111. a positioning groove; 112. a lug; 113. a groove is formed; 1131. a mating surface; 114. positioning a convex plate; 20. a flange; 21. a through hole; 211. a boss; 22. a limit matching part; 221. positioning the convex column; 222. a groove; 223. a step; 2231. a step surface; 224. side end faces.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "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 are used in the description of the present utility model for the purpose of illustration only and do not represent the only embodiment.

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

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" on a second feature may be 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 through intermedial media. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.

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

Example 1

Referring to fig. 1 to 3, a stop valve 100 according to an embodiment of the present utility model includes a valve body 10 and a flange 20, wherein the flange 20 is disposed independent of the valve body 10, so that the flange 20 can be made of a material having a lower cost than the valve body 10, and the production cost of the stop valve 100 is reduced. The valve body 10 is provided with the limit part 11, the flange 20 is provided with the limit matching part 22, and the flange 20 is circumferentially limited to the valve body 10 through the matching of the limit matching part 22 and the limit part 11, so that when the stop valve 100 is driven by external force, the welding flux between the valve body 10 and the flange 20 is prevented from cracking, and the installation stability of the flange 20 on the valve body 10 is improved.

The flange 20 is provided with a through hole 21, the flange 20 is sleeved on the valve body 10 through the through hole 21, and a limit matching part 22 of the flange 20 is arranged on the periphery of the valve body 10 and is matched with a limit part 11 correspondingly arranged on the valve body 10. The limit part 11 is matched with the limit matching part 22 at the periphery of the valve body 10, so that an operator can directly observe the matching position of the limit part 11 and the limit matching part 22, and the assembly between the flange 20 and the valve body 10 is facilitated.

Specifically, the limit engaging portion 22 is provided as a positioning boss 221, and the positioning boss 221 is substantially cylindrical and is provided to be partially protruded toward the valve body 10 with respect to the flange 20. The limiting part 11 is set as a positioning groove 111 formed in the outer peripheral wall of the valve body 10, the positioning groove 111 is approximately arc-shaped, the outer peripheral wall of the valve body 10 is concaved inwards to form the limiting part, the shape of the limiting part is matched with that of the positioning convex column 221, and the positioning convex column 221 is partially or completely positioned in the positioning groove 111, so that the limiting between the positioning convex column 221 and the positioning groove 111 is realized, and the circumferential limiting between the valve body 10 and the flange 20 is realized. Of course, the positioning boss 221 may be configured as a rectangular column, a triangular column, or the like, and the positioning groove 111 may be correspondingly configured to have a shape matching the positioning boss 221.

In the present embodiment, the number of the positioning bosses 221 is two, the number of the positioning slots 111 is eight, the two positioning bosses 221 are symmetrically arranged along the circumferential direction of the through hole 21, the eight positioning slots 111 are uniformly arranged on the outer circumferential wall of the valve body 10 at intervals along the circumferential direction of the valve body 10, so that the two positioning bosses 221 can be matched with two positioning slots 111 of the eight positioning slots 111 to limit the flange 20 to the valve body 10, and the installation angle between the flange 20 and the valve body 10 can be adjusted to meet the use requirements of the valve body 10 with different installation directions through the flange 20.

Of course, in other embodiments, the number of the positioning posts 221 may be one, three, four, etc., and the number of the positioning slots 111 is correspondingly greater than the number of the positioning posts 221, and the positioning slots 111 are arranged on the outer peripheral wall of the valve body 10 at intervals along the circumferential direction of the valve body 10, so that each positioning post 221 on the flange 20 can be matched with the corresponding positioning slot 111 on the valve body 10 according to actual requirements, and the angle of the flange 20 on the valve body 10 can be adjusted.

Example two

Referring to fig. 4 to 6, a stop valve 100 according to a second embodiment of the present utility model includes a valve body 10 and a flange 20, wherein the flange 20 is disposed independently of the valve body 10 and welded on the valve body 10. Wherein, be equipped with spacing portion 11 on the valve body 10, be equipped with spacing cooperation portion 22 on the flange 20, spacing portion 22 and spacing portion 11's cooperation is with flange 20 circumference spacing to valve body 10 to the rotation of limiting valve body 10 relative flange 20 improves the installation stability between flange 20 and the valve body 10.

In the second embodiment, two limit matching portions 22 of the flange 20 are disposed on the wall of the through hole 21 of the flange 20, and the flange 20 is stably assembled to the valve body 10 by matching the through hole 21 and the limit matching portions 22 formed on the flange 20. The through hole 21 is further provided with a boss 211, and the boss 211 protrudes inwards relative to the hole wall of the through hole 21, so that when the flange 20 is sleeved on the valve body 10 through the through hole 21, the boss 211 is abutted against the valve body 10 to limit the displacement of the flange 20 along the axial direction of the valve body 10, and the assembly is stable.

Specifically, the limit fitting portion 22 is provided as a groove 222, and the groove 222 communicates with the through hole 21. The limiting part 11 is provided with a lug 112 arranged on the peripheral wall of the valve body 10, the lug 112 is approximately arc-shaped, the lug 112 is matched with the groove 222, and the corresponding groove 222 is provided with an arc hole. Of course, the lug 112 may be configured as a triangle, a rectangle, etc., and the corresponding recess 222 may be configured as a matching shape, which is not limited herein.

Example III

Referring to fig. 7 to 10, a stop valve 100 according to a third embodiment of the present utility model includes a valve body 10 and a flange 20, wherein a through hole 21 is formed in the flange 20, so that the flange 20 can be sleeved on the valve body 10 through the through hole 21. And be equipped with spacing portion 11 on the valve body 10, be equipped with spacing cooperation portion 22 on the flange 20, spacing portion 22 and spacing portion 11's cooperation is with flange 20 circumference spacing to valve body 10 to the rotation of restriction valve body 10 relative flange 20 improves the installation stability between valve body 10 and the flange 20.

The two limit matching parts 22 are symmetrically arranged on the hole wall of the through hole 21 of the flange 20 and are arranged on the periphery of the valve body 10, so that the matching between the flange 20 and the valve body 10 is simplified, and the production and the processing are facilitated.

Specifically, the limit fitting portion 22 is provided as a step 223, and the step 223 has a step surface 2231. The limiting part 11 is a notch 113 formed in the peripheral wall of the valve body 10, the bottom of the notch 113 is a mating surface 1131, and the mating surface 1131 can be attached to the step surface 2231, so that circumferential limitation between the valve body 10 and the flange 20 is realized. In this embodiment, the step surface 2231 is a plane, and the mating surface 1131 corresponding to the notch 113 is a plane. Of course, the step surface 2231 may be formed as a curved surface, and the corresponding mating surface 1131 may be formed to match the step surface 2231, which is not limited thereto.

Example IV

Referring to fig. 11 to 13, a stop valve 100 according to a fourth embodiment of the present utility model includes a valve body 10 and a flange 20, wherein a through hole 21 is formed in the flange 20, and the flange 20 is fixedly mounted on the valve body 10 through the through hole 21. The valve body 10 is provided with the limiting part 11, the flange 20 is provided with the symmetrically arranged limiting matching parts 22, and the limiting part 11 is matched with the limiting matching parts 22, so that circumferential limiting is formed between the valve body 10 and the flange 20, the valve body 10 is limited to rotate relative to the flange 20, and the installation stability between the valve body 10 and the flange 20 is improved. The difference from the first, second and third embodiments is that the limit portion 11 of the valve body 10 is engaged with the limit engaging portion 22 of the flange 20 at the inner position of the valve body 10.

Specifically, the limiting portion 11 is provided as the positioning convex plates 114, the number of the positioning convex plates 114 is two, and the positioning convex plates 114 are symmetrically arranged on one end face of the valve body 10 facing the flange 20. The positioning convex plate 114 includes a horizontal plane and an outer peripheral surface, and the outer peripheral surface is connected with the horizontal plane; wherein, the outer peripheral surface is approximately arc-shaped and is aligned with the outer peripheral wall of the valve body 10, so that the positioning convex plate 114 and the valve body 10 are convenient for integrally forming and processing; the horizontal plane is substantially planar and is located within the valve body 10.

The spacing cooperation portion 22 sets up to follow width direction's side terminal surface 224 on the flange 20, along the width direction of flange 20, the horizontal plane is kept away from the through-hole setting than side terminal surface 224, and the horizontal plane laminating is in side terminal surface 224 for flange 20 limit is located between two location flange 114, with this circumferential spacing between flange 20 and valve body 10 that realizes, improves the installation stability of both.

In the first, second, third and fourth embodiments, the flange 20 is preferably provided as a stainless steel member. By utilizing the material characteristics of the stainless steel piece, the structural strength of the flange 20 can be improved, and the stability of the flange 20 after being installed can be improved. The flange 20 may also be provided as a steel piece or the like.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be determined from the following claims.

Claims (10)

1. The utility model provides a stop valve, its characterized in that, includes valve body (10) and flange (20), valve body (10) with flange (20) are split type, flange (20) install in on valve body (10) and with valve body (10) fixed connection, be equipped with spacing portion (11) on valve body (10), be provided with spacing cooperation portion (22) on flange (20), spacing portion (11) are followed valve body (10) circumference interval sets up, and every spacing cooperation portion (22) can with corresponding spacing portion (11) cooperation, in order to with flange (20) circumference spacing extremely on valve body (10).

2. A shut-off valve according to claim 1, wherein the number of limit cooperating portions (22) is two, two limit cooperating portions (22) being located at the periphery of the valve body (10) and being cooperable with the corresponding limit cooperating portions (11).

3. The shut-off valve according to claim 2, characterized in that the flange (20) is provided with a through hole (21), and the flange (20) can be sleeved onto the valve body (10) through the through hole (21);

wherein, two spacing cooperation portions (22) set up on the pore wall of through-hole (21).

4. A shut-off valve according to claim 3, characterized in that the limit fitting (22) is provided as a step (223), the step (223) having a step surface (2231); and, the limit part (11) is arranged as a notch (113) formed in the peripheral wall of the valve body (10), the bottom of the notch (113) is arranged as a matching surface (1131), and the matching surface (1131) is attached to the step surface (2231).

5. A shut-off valve according to claim 3, wherein the limit fitting portion (22) is provided as a groove (222), the groove (222) being formed recessed inward from a wall of the through hole (21) in a radial direction of the through hole (21); and the limiting part (11) is provided with a lug (112), the lug (112) is arranged protruding outwards from the peripheral wall of the valve body (10), the lug (112) is matched with the groove (222), and the lug (112) is positioned in the groove (222).

6. A shut-off valve according to claim 2, characterized in that the limit fit (22) is provided as a positioning boss (221), the positioning boss (221) being provided protruding partly towards the valve body (10) with respect to the flange (20); and the limiting part (11) is arranged as a positioning groove (111) formed in the peripheral wall of the valve body (10), the positioning groove (111) is formed by inwards sinking from the peripheral wall of the valve body (10), the positioning groove (111) is matched with the positioning convex column (221), and at least part of the positioning convex column (221) is positioned in the positioning groove (111).

7. The shut-off valve according to claim 6, wherein a plurality of the positioning grooves (111) are arranged on the outer peripheral wall of the valve body (10) at intervals along the circumferential direction of the valve body (10);

wherein the number of the positioning grooves (111) is more than two.

8. A shut-off valve according to claim 1, characterized in that the limit stop (11) is provided as a positioning lug (114), the positioning lug (114) being provided on an end face of the valve body (10) facing the flange (20); and the limit matching part (22) is arranged as a side end face (224) on the flange (20) along the width direction, the positioning convex plate (114) comprises a horizontal plane, and the horizontal plane is attached to the side end face (224).

9. The shut-off valve according to claim 8, wherein the positioning boss (114) comprises an outer peripheral surface, which is connected to the horizontal surface, which is arranged in alignment with an outer peripheral wall of the valve body (10) in an axial direction of the valve body (10).

10. A shut-off valve according to claim 1, wherein the flange (20) is provided as a stainless steel piece.