Valve sealing structure

Abstract

The utility model discloses a valve sealing structure, which belongs to the technical field of pipeline control valves and comprises a valve main body, a connecting convex pipe, a pipeline connector, an inserting groove, an inclined groove, a limiting clamping groove and a mounting component, a sliding limiting block is inserted into each insertion groove through an arranged installation assembly and slides to the junction of the insertion groove and an inclined groove, the sliding limiting block can move along the position of the inclined groove and stretch a reset spring by rotating a pipeline connector, and when the sliding limiting block reaches the position of a limiting clamping groove, the sliding limiting block can slide to the position of the inclined groove. A sliding limiting block is clamped in a limiting clamping groove through resilience force of a reset spring, then installation of the pipeline connector can be completed, installation is more convenient, the end of the pipeline connector can be better attached to the end of an adjusting hand wheel through movement of an inclined groove and tensioning of the reset spring, the sealing performance is better, and the service life of the pipeline connector is prolonged. And through the arrangement of the sealing cylinder, the sealing performance of the connecting position can be improved, and leakage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pipeline control valve technical field, concretely relates to a valve sealing structure. BACKGROUND

[0002] Valve, control component in fluid conveying system, has the functions such as cut-off, regulation, flow guide, anti-backflow, pressure stabilization, shunt or overflow pressure relief, valve can be used to control the flow of air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive medium and various types of fluids, pipeline is mainly used for conveying gas or liquid, such as water, natural gas etc., the connecting equipment structure of common pipeline and valve is simple, and the sealing performance is poor, and the dripping, pull-off phenomenon is easy to appear, and the sealing structure needs to be used to seal between valve and pipeline.

[0003] Chinese utility model patent CN221800907U discloses a valve pipeline sealing structure, including valve, the left side of the valve is detachably installed with pipeline one, the right side of the valve is detachably installed with pipeline two, the two sides of the valve are connected with fixed unit, the inside of the fixed unit is provided with sealing unit, the rubber sealing ring is clamped with sealing groove one by setting, the connection of pipeline is extruded, the rubber sealing ring is expanded, the role of gap sealing is reached, the rubber ring on the outside of the pipeline is clamped in the inside of sealing groove two, further seal the outside connecting gap, set the positioning column in the inside of the positioning hole when the pipeline is connected with the valve, set the reset spring utilizes the elastic pushing force to promote the connection between the valve and the pipeline to be fixed, set the extrusion plate can drive the piston column to promote the positioning column to move up and separate the fixation to the positioning hole.

[0004] Although the above-mentioned prior art can achieve the effect of convenient disassembly, but this installation method needs to move each piston column upward at the same time to complete disassembly when disassembling, so that disassembly is not so convenient. UTILITY MODEL CONTENTS

[0005] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In order to solve the problem of the installation method in the above background art that needs to move each piston column upward at the same time to complete disassembly when disassembling, so that disassembly is not so convenient, the utility model adopts the following technical scheme.

[0007] The utility model provides a valve sealing structure, including valve body, the adjusting hand wheel is installed on valve body, and the rotation adjusting hand wheel controls the opening and closing of valve body, and the both ends of valve body are detachably connected with pipeline connector, and the connecting pipeline is connected with pipeline connector, and the both ends of valve body are fixedly connected with the connecting convex pipe, a plurality of insertion slot are arranged on both sides connecting convex pipe, and the end of insertion slot is close to the end of valve body and is provided with the oblique groove of oblique setting, and the end of oblique groove is away from the inner wall of valve body and is provided with the limit card slot, and the inner wall of pipeline connector is provided with installation component, and installation component cooperates insertion slot, oblique groove and limit card slot and connects between pipeline connector and adjusting hand wheel.

[0008] Preferably, the installation component includes a sliding limiting block and a return spring, the inner wall of the pipeline connector is provided with a plurality of sliding grooves, the sliding limiting block is slidably connected to the inside of the sliding grooves, and the outer wall of the sliding limiting block away from the valve body is fixedly connected with the return spring.

[0009] Preferably, the pipeline connector is provided with a dismounting assembly, and the dismounting assembly makes the sliding grooves disengage from the limit card slot.

[0010] Preferably, the dismounting assembly includes a sliding push rod, a sliding ring groove, a connecting ring body, and a through hole, the inner wall of the sliding groove away from the valve body is provided with a through hole, the pipeline connector is provided with a sliding ring groove above the through hole, the sliding ring groove is slidably connected with the connecting ring body, the outer wall of the connecting ring body is fixedly connected with a plurality of sliding push rods, and the sliding push rods are fixedly connected to the outer wall of the sliding limiting block through the return spring.

[0011] Preferably, the inner wall of the pipeline connector is fixedly connected with a sealing cylinder, the sealing cylinder is inserted into the inner wall of the valve body, and the valve body is located between the sealing cylinder and the pipeline connector.

[0012] Preferably, the inner wall between the sealing cylinder and the pipeline connector is provided with an insertion protrusion, the end of the valve body is provided with an insertion slot, and the insertion protrusion is inserted into the inside of the insertion slot.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、Through the installation component sliding limiting block inserted into the inside of each insertion slot and slides to the junction of insertion slot and oblique groove, the sliding limiting block can be moved along the position of oblique groove and stretch the return spring by rotating the pipeline connector, when the sliding limiting block reaches the position of limit card slot, the sliding limiting block is clamped in the inside of limit card slot through the rebound force of return spring, and then the installation of the pipeline connector can be completed, so that the installation is more convenient, and the end of the pipeline connector and the end of the adjusting hand wheel can be more fitted through the movement of the oblique groove and the tension of the return spring, so that the sealing is better.

[0015] 2. By inserting a tool into the inside of one of the through holes in the disassembly assembly and pushing it inward against the outer wall of the connecting ring, the sliding limit block is disengaged from the inside of the limit slot. At the same time, the pipe connector is rotated in the opposite direction, so that the sliding limit block returns to the insertion slot along the inclined groove, thus making disassembly easier.

[0016] 3. The sealing cylinder design increases the sealing at the connection points, preventing leakage.

[0017] 4. The sealing performance of the connection can be further increased by inserting the protrusion into the insertion slot. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a valve sealing structure according to the present invention;

[0019] Figure 2 This is a schematic diagram of the connecting convex tube structure in this utility model;

[0020] Figure 3 This is a cross-sectional view of the pipe connector in this utility model;

[0021] Figure 4 This is a schematic diagram of the sliding limit block structure in this utility model.

[0022] The correspondence between the labels and component names in the attached figures is as follows:

[0023] 100. Valve body; 101. Adjusting handwheel; 102. Connecting protrusion; 103. Insertion groove; 104. Inclined groove; 105. Limiting slot;

[0024] 200. Pipe connector; 201. Sliding groove; 202. Sliding limit block; 203. Return spring; 204. Sliding push rod; 205. Sliding annular groove; 206. Connecting ring body; 207. Through hole; 208. Sealing cylinder; 209. Insertion protrusion. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the "one embodiment" or "embodiments" referred to herein are intended to encompass a particular feature, structure, or characteristic in at least one implementation of the present application. The appearances of "in one embodiment" or "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all referring to a single, alternative embodiment. Various embodiments of the present application are provided.

[0028] As shown in Figure 1 the valve sealing structure of the embodiment, including the valve body 100, the valve body 100 is installed on the adjusting hand wheel 101, rotating the adjusting hand wheel 101 controls the opening and closing of the valve body 100, the two ends of the valve body 100 are detachably connected with the pipe connecting head 200, the connecting pipe is connected with the pipe connecting head 200, in the embodiment, the opening and closing of the valve body 100 is controlled by rotating the adjusting hand wheel 101, and the effect of connecting or disconnecting the two side pipe connecting heads 200 can be achieved.

[0029] As shown in Figure 2 and Figure 3 the valve body 100 is fixedly connected with the connecting convex pipe 102, a plurality of insertion grooves 103 are arranged on the two side connecting convex pipes 102, the end of the insertion groove 103 close to the valve body 100 is provided with an inclined groove 104 arranged obliquely, the end of the inclined groove 104 away from the inner wall of the valve body 100 is provided with a limiting clamping groove 105, the inner wall of the pipe connecting head 200 is provided with a plurality of sliding grooves 201, the sliding limiting block 202 is slidably connected in the sliding groove 201, the outer wall of the sliding limiting block 202 away from the valve body 100 is fixedly connected with the reset spring 203, in the embodiment, when the pipe connecting head 200 is installed, each sliding limiting block 202 is inserted into the inside of each insertion groove 103 and slides to the junction of the insertion groove 103 and the inclined groove 104, by rotating the pipe connecting head 200, the sliding limiting block 202 can be moved along the position of the inclined groove 104 and stretch the reset spring 203, when the sliding limiting block 202 reaches the position of the limiting clamping groove 105, the sliding limiting block 202 is clamped in the inside of the limiting clamping groove 105 by the rebound force of the reset spring 203, and the installation of the pipe connecting head 200 can be completed, so that the installation is more convenient, and the end of the pipe connecting head 200 and the end of the valve body 100 can be more fitted by the movement of the inclined groove 104 and the tension of the reset spring 203, so that the sealing is better.

[0030] It is worth noting that the sliding limiting block 202 and the reset spring 203 are installation components in the embodiment, and the installation components include but are not limited to the sliding limiting block 202 and the reset spring 203, as long as the components capable of installing the pipe connecting head 200 and the valve body 100 can be applied to the embodiment.

[0031] As shown in Figure 3 and Figure 4 , which is a disassembly structure diagram of the pipe connecting head and the valve body in the embodiment, the sliding groove 201 is provided with a through hole 207 penetrating the inner wall of the side away from the valve body 100, the pipe connecting head 200 is provided with a sliding ring groove 205 above the through hole 207, a connecting ring body 206 is slidingly connected inside the sliding ring groove 205, a plurality of sliding push rods 204 are fixedly connected to the outer wall of the connecting ring body 206, and the sliding push rods 204 are fixedly connected to the outer wall of the reset spring 203 and the sliding limiting block 202. In the embodiment, when the pipe connecting head 200 needs to be disassembled, a tool is inserted into the inside of one of the through holes 207 and abuts against the outer wall of the connecting ring body 206 to push inward, so that the sliding limiting block 202 is separated from the inside of the limiting clamping groove 105, and the pipe connecting head 200 is reversely rotated, so that the sliding limiting block 202 returns to the insertion slot 103 along the inclined slot 104, thereby more conveniently completing the disassembly.

[0032] It is worth noting that the sliding push rod 204, the sliding ring groove 205, the connecting ring body 206 and the through hole 207 are disassembly components in the embodiment, and the disassembly components include but are not limited to the sliding push rod 204, the sliding ring groove 205, the connecting ring body 206 and the through hole 207, as long as the components capable of separating the sliding limiting block 202 from the inside of the limiting clamping groove 105 can be applied to the embodiment.

[0033] As shown in Figure 3 , the inner wall of the pipe connecting head 200 is fixedly connected with a sealing cylinder 208, the sealing cylinder 208 is inserted into the inner wall of the valve body 100, and the valve body 100 is located between the sealing cylinder 208 and the pipe connecting head 200. In the embodiment, the sealing property of the connection can be improved by the sealing cylinder 208, and leakage can be avoided.

[0034] As shown in Figure 3 , the inner wall between the sealing cylinder 208 and the pipe connecting head 200 is provided with a plug-in protrusion 209, and the end of the valve body 100 is provided with a plug-in slot, the plug-in protrusion 209 is inserted into the inside of the plug-in slot. In the embodiment, the plug-in protrusion 209 is inserted into the inside of the plug-in slot, thereby further improving the sealing property of the connection.

[0035] The above is further detailed description of the utility model in combination with specific embodiments, and cannot be determined that the utility model specific implementation is limited to these descriptions. For ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all should be regarded as belonging to the protection scope determined by the claims submitted by the utility model.

Claims

1. A valve sealing structure, comprising a valve body (100), an adjusting hand wheel (101) is installed on the valve body (100), rotating the adjusting hand wheel (101) controls opening and closing of the valve body (100), detachable pipe connectors (200) are connected to both ends of the valve body (100), connecting pipes are connected with the pipe connectors (200), characterized in that, Both ends of the valve body (100) are fixedly connected with connecting convex tubes (102), a plurality of insertion grooves (103) are arranged on the connecting convex tubes (102) on the two sides, the insertion grooves (103) are provided with inclined grooves (104) arranged obliquely close to the end of the valve body (100), the end of the inclined groove (104) is provided with a limiting clamping groove (105) away from the inner wall of the valve body (100), the inner wall of the pipeline connecting head (200) is provided with a mounting assembly, and the mounting assembly is connected between the pipeline connecting head (200) and the adjusting hand wheel (101) in cooperation with the insertion groove (103), the inclined groove (104) and the limiting clamping groove (105).

2. The valve seal structure of claim 1, wherein The mounting assembly comprises a sliding limiting block (202) and a return spring (203), the inner wall of the pipeline connecting head (200) is provided with a plurality of sliding grooves (201), the sliding limiting block (202) is slidably connected in the sliding groove (201), and the outer wall of the sliding limiting block (202) away from the valve body (100) is fixedly connected with the return spring (203).

3. The valve seal structure of claim 2, wherein The pipeline connecting head (200) is provided with a dismounting assembly, and the dismounting assembly makes the sliding groove (201) separate from the limiting clamping groove (105).

4. The valve seal structure of claim 3, wherein The dismounting assembly comprises a sliding push rod (204), a sliding ring groove (205), a connecting ring body (206) and a through hole (207), the through hole (207) penetrating through the inner wall of the sliding groove (201) away from the valve body (100) is arranged, the sliding ring groove (205) is arranged above the through hole (207) close to the pipeline connecting head (200), the connecting ring body (206) is slidably connected in the sliding ring groove (205), and a plurality of sliding push rods (204) are fixedly connected to the outer wall of the connecting ring body (206).

5. The valve seal structure of claim 4, wherein, The inner wall of the pipeline connecting head (200) is fixedly connected with a sealing cylinder (208), the sealing cylinder (208) is inserted into the inner wall of the valve body (100), and the valve body (100) is located between the sealing cylinder (208) and the pipeline connecting head (200).

6. The valve seal structure of claim 5, wherein, The inner wall between the sealing cylinder (208) and the pipeline connecting head (200) is provided with an insertion protrusion (209), and the end of the valve body (100) is provided with an insertion groove, the insertion protrusion (209) being inserted into the inner wall of the insertion groove.

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