Split type sliding plate regulating valve

Abstract

The utility model relates to the technical field of sliding plate regulating valves, in particular to a split type sliding plate regulating valve which solves the problem that due to long-term use abrasion between a fixed sliding plate and a movable sliding plate, relative sealing is not tight when the fixed sliding plate and the movable sliding plate are closed, and then the use performance of the regulating valve is affected. The split type sliding plate adjusting valve comprises a valve body, a fixed sliding plate and a movable sliding plate are arranged in an inner cavity of the valve body, the movable sliding plate comprises an installation body arranged in the inner cavity in a sliding mode, a hollow structure is arranged in the middle of the installation body, and a step groove surrounding the hollow structure is formed in the side close to the fixed sliding plate. A sliding plate main body is embedded in the step groove, the sliding plate main body can slide in the step groove in the depth direction, and the thickness of the sliding plate main body is smaller than the depth of the step groove.

Description

Technical Field

[0001] The utility model relates to the technical field of slide plate regulating valves, in particular to a split slide plate regulating valve. Background Art

[0002] Slide plate type regulating valve is a flow regulating valve.

[0003] For example, the flow regulating valve recorded in the temporary fixing structure of the valve seat cover for a slide-type regulating valve disclosed in publication number CN208831766U, when working, drives the valve plate to move through the valve stem, and when the second flow hole is opposite to the first flow hole, the flow channel is fully opened; and when the second flow hole is misaligned with the first flow hole, the flow channel can be gradually reduced until it is closed.

[0004] The problem is that in this type of prior art regulating valve, the valve seat (relative to the fixed slide of this application) and the valve plate (relative to the movable slide of this application) will wear out due to long-term use, resulting in a relatively loose seal when closed, which will affect the performance of the regulating valve and needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to propose a split slide regulating valve, which solves the problem that the fixed slide and the movable slide are worn out due to long-term use, resulting in a relatively loose seal when closed, which in turn affects the performance of the regulating valve.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A split-type slide regulating valve includes a valve body, wherein a fixed slide and a dynamic slide are provided in the inner cavity of the valve body, the dynamic slide includes an installation body slidably arranged in the inner cavity, a hollow structure is provided in the middle of the installation body, and a step groove surrounding the hollow structure is provided on the side close to the fixed slide, a slide body is embedded in the step groove, and the slide body can slide in the step groove along the depth direction, and the thickness of the slide body is less than the depth of the step groove.

[0008] On the basis of the above solution and as a preferred solution of the above solution: an elastic device is provided on the mounting body to push the slide body so that the slide body has a tendency to move toward the fixed slide.

[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: the elastic device includes a spring; support parts are provided on both sides of the end of the installation body away from the step groove, and the support parts protrude toward the hollow structure. A socket is provided in the support part, and the spring is provided in the socket. The end of the spring close to the direction of the skateboard body abuts against the side of the skateboard body away from the direction of the movable skateboard.

[0010] On the basis of the above solution and as a preferred solution of the above solution: the depth direction of the step groove and the depth direction of the insertion hole are both perpendicular to the movable slide plate.

[0011] On the basis of the above scheme and as a preferred scheme of the above scheme: a convex portion opposite to the support portion is provided in the inner cavity; the socket passes through the support portion, the spring is freely provided in the socket, and the end of the spring away from the skateboard body abuts against the convex portion.

[0012] The utility model has the following beneficial effects:

[0013] The thickness of the slide body of the split slide regulating valve of the utility model is smaller than the depth of the step groove, so that the slide body can slide in the step groove along the depth direction. During application, the medium flows through the split slide regulating valve in the direction of flowing from the dynamic slide to the fixed slide. When there is relative wear between the fixed slide and the dynamic slide, after the valve is closed, the slide body of the dynamic slide will be pushed toward the fixed slide under the action of the medium pressure, so that the slide body fits the fixed slide to complete the compensation for wear during use, thereby ensuring the sealing effect during the closing process.

[0014] Based on this, the split slide regulating valve of the utility model solves the problem that the fixed slide and the movable slide are worn out due to long-term use, resulting in a relatively loose seal when closed, which in turn affects the performance of the regulating valve.

[0015] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic cross-sectional view of the split-type slide plate regulating valve of the utility model;

[0017] Figure 2 It is a partial cutaway schematic diagram of the split-type slide plate regulating valve of the present utility model. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] See Figure 1-2 As shown, the utility model discloses a split-type slide plate regulating valve, which solves the problem that the fixed slide plate 200 and the movable slide plate 300 are relatively loose in sealing when closed due to wear and tear during long-term use, thereby affecting the performance of the regulating valve.

[0020] This split-type slide regulating valve includes a valve body 100, and a fixed slide 200 and a dynamic slide 300 are provided in the inner cavity 101 of the valve body 100. Based on the existing technology, the dynamic slide 300 includes an installation body 301 slidably arranged in the inner cavity 101, a hollow structure 302 is provided in the middle of the installation body 301, and a step groove 303 surrounding the hollow structure 302 is provided on the side close to the fixed slide 200, and a slide body 306 is embedded in the step groove 303. The slide body 306 can slide in the step groove 303 along the depth direction, and the thickness of the slide body 306 is less than the depth of the step groove 303. For example, the thickness of the slide body 306 is less than the depth of the step groove 303 by 0.5-1.5 mm.

[0021] In order to support the sliding of the installation body 301, a sliding groove is provided in the valve body 100. The installation body 301 is set in the sliding groove and can slide up and down under the action of the valve stem. The movable slide 300 is driven to move by the valve stem. When the second liquid hole 307 of the movable slide 300 is directly opposite to the first liquid hole 201 of the fixed slide 200, the flow channel is fully opened; and when the second liquid hole 307 of the movable slide 300 is misaligned with the first liquid hole 201 of the fixed slide 200, the flow channel can be gradually reduced until it is closed.

[0022] The thickness of the slide body 306 of the split slide regulating valve is less than the depth of the step groove 303, so that the slide body 306 can slide in the step groove 303 along the depth direction. During application, the medium flows through the split slide regulating valve in the direction of flowing from the dynamic slide 300 to the fixed slide 200. When there is relative wear between the fixed slide 200 and the dynamic slide 300, after the valve is closed, the slide body 306 of the dynamic slide 300 will be pushed toward the fixed slide 200 under the action of the medium pressure, so that the slide body 306 fits the fixed slide 200 to complete the compensation for wear during use, thereby ensuring the sealing effect during the closing process.

[0023] In order to enable the slide body 306 to effectively and actively fit toward the fixed slide 200 , an elastic device is provided on the mounting body 301 to push the slide body 306 so that the slide body 306 has a tendency to move toward the fixed slide 200 .

[0024] Further, if Figure 2 As shown, the elastic device includes a spring 308; support parts 304 are provided on both sides of one end of the installation body 301 away from the step groove 303, and the support parts 304 protrude toward the hollow structure 302. A socket 305 is provided in the support part 304, and a spring 308 is provided in the socket 305. The end of the spring 308 close to the direction of the skateboard body 306 abuts against the side of the skateboard body 306 away from the moving skateboard 300.

[0025] Furthermore, in order to reduce the difficulty of production, Figure 2 As shown, the inner cavity 101 is provided with a protrusion 102 opposite the support portion 304; a socket 305 extends through the support portion 304, and a spring 308 is freely disposed in the socket 305, with one end of the spring 308 facing away from the slide body 306 abutting against the protrusion 102. This structure also has the advantage that the force exerted by the spring 308 does not directly act on the mounting body 301, thus avoiding the increase in the interaction force between the mounting body 301 and the valve body 100 caused by the action of the spring 308.

[0026] To ensure the application effect, the depth direction of the step groove 303 and the depth direction of the insertion hole 305 are both perpendicular to the movable slide 300, that is, the slide body 306 is perpendicular to the medium flow direction.

[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A split-type slide regulating valve, comprising a valve body (100), wherein a fixed slide (200) and a movable slide (300) are provided in an inner cavity (101) of the valve body (100), characterized in that: The movable slide (300) includes a mounting body (301) slidably arranged in the inner cavity (101), a hollow structure (302) is arranged in the middle of the mounting body (301), and a step groove (303) surrounding the hollow structure (302) is arranged on a side close to the fixed slide (200), a slide body (306) is embedded in the step groove (303), and the slide body (306) can slide in the step groove (303) along the depth direction, and the thickness of the slide body (306) is less than the depth of the step groove (303).

2. The split slide regulating valve according to claim 1, characterized in that: The installation body (301) is provided with an elastic device for pushing the slide body (306) so that the slide body (306) has a tendency to move toward the fixed slide (200).

3. The split slide regulating valve according to claim 2, characterized in that: The elastic device comprises a spring (308); support portions (304) are provided on both sides of one end of the installation body (301) away from the step groove (303); the support portion (304) protrudes toward the hollow structure (302); a socket (305) is provided in the support portion (304); the spring (308) is provided in the socket (305); and one end of the spring (308) close to the direction of the slide body (306) abuts against a side of the slide body (306) away from the movable slide (300).

4. The split slide regulating valve according to claim 3, characterized in that: The depth direction of the step groove (303) and the depth direction of the insertion hole (305) are both perpendicular to the movable slide plate (300).

5. The split slide regulating valve according to claim 3, characterized in that: A convex portion (102) opposite to the supporting portion (304) is provided in the inner cavity (101); the insertion hole (305) passes through the supporting portion (304); the spring (308) is freely provided in the insertion hole (305); and one end of the spring (308) away from the slide body (306) abuts against the convex portion (102).

Images