Valve cover convenient to open and close

Abstract

The utility model discloses a valve cover convenient to open and close, which relates to the technical field of valve cover equipment and comprises a valve seat, a valve cover and a pipeline, the inner wall of the valve seat is fixedly connected to one end of the pipeline in a threaded connection manner, and the top of the valve seat is mounted at the bottom of the valve cover. Fixing blocks are installed at the two ends of the top of the outer wall of the valve seat. Stable installation and reliable sealing performance are guaranteed through threaded connection of the valve seat and the pipeline, stable locking is achieved between the valve cover and the valve seat through the arrangement of the limiting block and the limiting hole, accidental opening of the valve cover is effectively prevented, safety is improved, and meanwhile the valve cover is not prone to falling off. The limiting block smoothly slides on the sliding groove and the fixing rod through the sliding block, the elastic force effect of the first pressure spring is combined, opening and closing operation is easier and more convenient, the stability and durability of the structure are guaranteed, and then the using convenience and safety of the valve cover are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve cover equipment technical field, concretely is a valve cover that opens and shuts conveniently. BACKGROUND

[0002] The valve cover is an important component of the valve, which is usually matched with the valve seat, and is connected between the valve cover and the valve seat through a specific structure (such as a thread, a flange, etc.), and is tightly sealed through a sealing material (such as rubber, plastic, metal, etc.) to close or control the flow of medium.

[0003] The patent document CN212080293U discloses a valve protection cover, which discloses "the utility model relates to a valve protection cover, which comprises a cover body, the cover body is circularly arranged, a connecting column is arranged on one side of the cover body, the connecting column is circularly arranged, a groove is arranged on the connecting column, the groove penetrates the cover body, a plurality of connecting petals are arranged on the outer wall of the connecting column in the axial direction, the connecting petals are arranged equidistantly between adjacent connecting petals, the connecting petals are arranged in parallel with the cover body, a supporting ring is vertically arranged on the side of the cover body away from the connecting column, a limiting ring is arranged on the side of the supporting ring away from the cover body, the limiting ring is arranged in parallel with the cover body, a through hole is arranged in the center of the limiting ring. The utility model has the beneficial effects that dust and other impurities can be effectively prevented from entering the interior of the valve, the limiting ring and the supporting ring can effectively separate the valve from other objects to prevent the valve from colliding with other objects, the valve is effectively protected, and the circularly arranged connecting column can be applied to valves of various specifications, and the use is more flexible".

[0004] However, the valve cover of the above-mentioned disclosure mainly considers how to prevent the valve from colliding with other objects, and effectively protects the valve, but there is a technical problem that the valve cover is not convenient to open and close.

[0005] Therefore, it is necessary to study a valve cover that is convenient to open and close, so as to improve the use convenience and safety of the valve cover during use. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a valve cover that is convenient to open and close to solve the technical problems in the above background.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme, a valve cover that is convenient to open and close, which comprises a valve seat, a valve cover and a pipeline, the inner wall of the valve seat is fixedly connected to one end of the pipeline in a threaded connection mode, and the top of the valve seat is installed at the bottom of the valve cover.

[0008] Fixed blocks are installed at both ends of the top of the outer wall of the valve seat, and limiting holes are formed in the top of one side of the fixed blocks.

[0009] The inner wall of the groove is movably connected with a limiting block, the front end of the outer wall of the limiting block passes through the through groove and is movably connected with the inner wall of the limiting hole, a group of sliding grooves are formed in the inner wall of the groove, a fixing rod is installed on the inner wall of the sliding groove, the outer wall of the fixing rod is movably connected with a sliding block, the outer wall of the sliding block is movably connected with the inner wall of the sliding groove, one end of the sliding block is fixedly connected with the outer wall of the limiting block, and the outer wall of the fixing rod is movably connected with a first pressure spring, and one end of the first pressure spring is movably connected with one side of the sliding block.

[0010] Preferably, the outer side of the bottom of the valve cover is installed with a sleeve, and the outer wall of the sleeve is attached to one side of the inner wall of the valve seat.

[0011] Preferably, the outer wall of the sleeve is provided with a first annular groove, the inner wall of the first annular groove is provided with an inflation sealing ring, one end of the inflation sealing ring is connected with an inflation pump through a hose, and the inflation pump is installed on one side of the top of the valve cover.

[0012] Preferably, the outer side of the bottom of the valve cover is provided with a second annular groove, the inner wall of the second annular groove is movably connected with an annular ring, the bottom of the annular ring is provided with an annular sealing gasket, and the bottom of the annular sealing gasket is installed on the outer side of the top of the valve seat.

[0013] Preferably, the inner top wall of the second annular groove is provided with a plurality of limiting rods, the bottom of the outer wall of the limiting rod is installed on the inner wall of the fixing groove, the fixing groove is formed in the top of the annular ring, the outer wall of the limiting rod is movably connected with a second pressure spring, and one end of the second pressure spring is movably connected with the top of the annular ring.

[0014] Preferably, the middle part of the top of the valve cover is provided with a discharge pipe, the one side of the discharge pipe is provided with a sealing box, the inner wall of the sealing box is provided with a moving groove, and one end of the moving groove is formed in the inner wall of the discharge pipe.

[0015] Preferably, the inner wall of the moving groove is movably connected with a sealing block, the outer wall of the sealing block is provided with a sealing soft pad, one end of the sealing block is provided with a connecting groove, the inner wall of the connecting groove is movably connected with a connecting block, one end of the connecting block is provided with a bolt, and the outer wall of the bolt is threadedly connected with one end of the sealing box.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The utility model discloses a valve seat and pipeline's threaded connection, has guaranteed firm installation and reliable leakproofness, between the valve cover and the valve seat, through the setting of limiting block and limiting hole, realized firm locking, effectively prevented the accidental opening of valve cover, promoted the security, simultaneously, the smooth sliding of limiting block through the sliding block on the sliding slot and fixed link, combines the elastic force effect of first pressure spring, not only makes the opening and closing operation more relaxed convenient, still guarantees the stability and durability of structure, and further strengthens the use convenience and security of valve cover.

[0018] 2. The utility model discloses through installing sleeve and inflation sealing ring at the bottom of valve cover, and is equipped with inflation pump, realized the dynamic regulation of leakproofness, has guaranteed the close closing of valve under different pressure environment, effectively prevented the medium leakage, simultaneously, the setting of annular ring and annular sealing washer in second annular groove, further strengthens the sealing effect between valve cover and valve seat again cooperation elastic force effect of second pressure spring, improves the overall sealing performance of valve, the sealing box on the discharge pipe adjusts the sealing state through the movement sealing block, cooperates the setting of sealing soft pad and bolt, guarantees the leakproofness when discharging, and the user is also convenient according to the demand relaxed opening or closing discharge pipe. DRAWINGS

[0019] Figure 1 It is the overall structure perspective drawing of the utility model;

[0020] Figure 2 It is the valve cover structure schematic view of the utility model;

[0021] Figure 3 It is the sealing box structure schematic view of the utility model;

[0022] Figure 4 It is the Figure 3 Structure schematic view of the utility model in A place;

[0023] Figure 5 It is the sleeve structure schematic view of the utility model.

[0024] In the drawing: 1, valve seat; 2, valve cover; 3, pipeline; 4, fixed block; 5, limiting hole; 6, recess; 7, through slot; 8, limiting block; 9, sliding slot; 10, fixed link; 11, sliding block; 12, sleeve; 13, first annular groove; 14, inflation sealing ring; 15, inflation pump; 16, second annular groove; 17, annular ring; 18, annular sealing washer; 19, limiting rod; 20, fixed slot; 21, second pressure spring; 22, discharge pipe; 23, sealing box; 24, movement slot; 25, sealing block; 26, sealing soft pad; 27, connecting slot; 28, connecting block; 29, bolt; 30, first pressure spring. DETAILED DESCRIPTION

[0025] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0026] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] Embodiment 1: Please refer to Figure 1 and Figure 2 The present application provides an embodiment of a valve cover which is convenient to open and close, comprising a valve seat 1, a valve cover 2 and a pipeline 3, the inner wall of the valve seat 1 is fixedly connected to one end of the pipeline 3 by a threaded connection, and the top of the valve seat 1 is mounted on the bottom of the valve cover 2.

[0029] The outer wall top of the valve seat 1 is provided with a fixed block 4 at both ends, and the top of one side of the fixed block 4 is provided with a limiting hole 5.

[0030] The inner wall of the recess 6 is movably connected with a limiting block 8, the front end of the outer wall of the limiting block 8 passes through the through groove 7 and is movably connected to the inner wall of the limiting hole 5, a group of sliding grooves 9 are formed in the inner wall of the recess 6, a fixing rod 10 is installed on the inner wall of the sliding groove 9, a sliding block 11 is movably connected to the outer wall of the fixing rod 10, and the outer wall of the sliding block 11 is movably connected to the inner wall of the sliding groove 9, and one end of the sliding block 11 is fixedly connected to the outer wall of the limiting block 8; the outer wall of the fixing rod 10 is movably connected with a first pressure spring 30, and one end of the first pressure spring 30 is movably connected to one side of the sliding block 11.

[0031] Further, through the threaded connection of the valve seat 1 and the pipeline 3, stable installation and reliable sealing are ensured, through the setting of the limiting block 8 and the limiting hole 5 between the valve cover 2 and the valve seat 1, stable locking is realized, accidental opening of the valve cover 2 is effectively prevented, safety is improved, and at the same time, through the smooth sliding of the limiting block 8 on the sliding groove 9 and the fixing rod 10 through the sliding block 11, in combination with the elastic force of the first pressure spring 30, not only is the opening and closing operation more convenient, but also the stability and durability of the structure are ensured, and the use convenience and safety of the valve cover 2 are further enhanced.

[0032] Embodiment 2: please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , the outer side of the bottom of the valve cover 2 is provided with a sleeve 12, and the outer wall of the sleeve 12 is attached to one side of the inner wall of the valve seat 1.

[0033] A first annular groove 13 is formed in the outer wall of the sleeve 12, a gas sealing ring 14 is installed on the inner wall of the first annular groove 13, one end of the gas sealing ring 14 is connected with a gas pump 15 through a hose, and the gas pump 15 is installed on one side of the top of the valve cover 2.

[0034] A second annular groove 16 is formed in the outer side of the bottom of the valve cover 2, and an annular ring 17 is movably connected to the inner wall of the second annular groove 16, an annular sealing gasket 18 is installed on the bottom of the annular ring 17, and the bottom of the annular sealing gasket 18 is installed on the outer side of the top of the valve seat 1.

[0035] A plurality of limiting rods 19 are installed on the inner top wall of the second annular groove 16, the bottom of the outer wall of the limiting rod 19 is installed on the inner wall of a fixed groove 20, the fixed groove 20 is formed in the top of the annular ring 17, a second pressure spring 21 is movably connected to the outer wall of the limiting rod 19, and one end of the second pressure spring 21 is movably connected to the top of the annular ring 17.

[0036] A discharge pipe 22 is installed through the middle of the top of the valve cover 2, and a sealing box 23 is installed on one side of the discharge pipe 22; a moving groove 24 is formed in the inner wall of the sealing box 23, and one end of the moving groove 24 is formed in the inner wall of the discharge pipe 22;

[0037] A sealing block 25 is movably connected to the inner wall of the moving groove 24, a sealing soft pad 26 is installed on the outer wall of the sealing block 25, a connecting groove 27 is formed in one end of the sealing block 25, a connecting block 28 is movably connected to the inner wall of the connecting groove 27, a bolt 29 is installed on one end of the connecting block 28, and the outer wall of the bolt 29 is threadedly connected to one end of the sealing box 23;

[0038] Further, by installing the sleeve 12 and the inflatable sealing ring 14 on the bottom of the valve cover 2 and providing the inflation pump 15, dynamic adjustment of the sealing performance is achieved, ensuring the tight closure of the valve in different pressure environments, effectively preventing medium leakage, and further enhancing the sealing effect between the valve cover 2 and the valve seat 1, improving the overall sealing performance of the valve. The sealing box 23 on the discharge pipe 22 adjusts the sealing state by moving the sealing block 25, and the sealing soft pad 26 and the bolt 29 are provided, which not only ensures the sealing performance during discharge, but also makes it easy for users to easily open or close the discharge pipe 22 according to their needs.

[0039] The working principle is that the valve seat 1 is threadedly connected with the pipeline 3, ensuring stable installation and reliable sealing performance. The valve cover 2 and the valve seat 1 are stably locked by the limiting block 8 and the limiting hole 5, effectively preventing accidental opening of the valve cover 2 and improving safety. At the same time, the limiting block 8 smoothly slides on the sliding groove 9 and the fixed rod 10 through the sliding block 11, and the elastic force of the first pressure spring 30 is combined, which not only makes the opening and closing operation more convenient, but also ensures the stability and durability of the structure, thereby enhancing the convenience and safety of the valve cover 2. By installing the sleeve 12 and the inflatable sealing ring 14 on the bottom of the valve cover 2 and providing the inflation pump 15, dynamic adjustment of the sealing performance is achieved, ensuring the tight closure of the valve in different pressure environments, effectively preventing medium leakage, and further enhancing the sealing effect between the valve cover 2 and the valve seat 1, improving the overall sealing performance of the valve. The sealing box 23 on the discharge pipe 22 adjusts the sealing state by moving the sealing block 25, and the sealing soft pad 26 and the bolt 29 are provided, which not only ensures the sealing performance during discharge, but also makes it easy for users to easily open or close the discharge pipe 22 according to their needs.

[0040] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A valve cover that is easy to open and close, comprising a valve seat (1), a valve cover (2), and a pipe (3), characterized in that: The inner wall of the valve seat (1) is fixedly connected to one end of the pipe (3) by a threaded connection, and the top of the valve seat (1) is installed on the bottom of the valve cover (2); The valve seat (1) has fixing blocks (4) installed at both ends of the top of its outer wall, and limit holes (5) are opened on the top of one side of each fixing block (4); The valve cover (2) has grooves (6) at both ends of its top. The inner wall of the groove (6) has a through groove (7), and the other end of the through groove (7) is opened at one end of the limiting hole (5). The inner wall of the groove (6) is movably connected to a limiting block (8), and the front end of the outer wall of the limiting block (8) passes through the through groove (7) and is movably connected to the inner wall of the limiting hole (5). The inner wall of the groove (6) has a set of sliding grooves (9), and a fixing rod (10) is installed on the inner wall of the sliding groove (9). The outer wall of the fixing rod (10) is movably connected to a slider (11), and the outer wall of the slider (11) is movably connected to the inner wall of the sliding groove (9). One end of the slider (11) is fixedly connected to the outer wall of the limiting block (8). The outer wall of the fixing rod (10) is movably connected to a first pressure spring (30), and one end of the first pressure spring (30) is movably connected to one side of the slider (11).

2. The valve cover for easy opening and closing according to claim 1, characterized in that: A sleeve (12) is installed on the outer side of the bottom of the valve cover (2), and the outer wall of the sleeve (12) is fitted to one side of the inner wall of the valve seat (1).

3. A valve cover that is easy to open and close according to claim 2, characterized in that: The outer wall of the sleeve (12) is provided with a first annular groove (13), and an air-filled sealing ring (14) is installed on the inner wall of the first annular groove (13). One end of the air-filled sealing ring (14) is connected to an air pump (15) through a hose, and the air pump (15) is installed on one side of the top of the valve cover (2).

4. A valve cover that is easy to open and close according to claim 1, characterized in that: The valve cover (2) has a second annular groove (16) on the outer side of its bottom. The inner wall of the second annular groove (16) is movably connected to an annular ring (17). An annular sealing gasket (18) is installed at the bottom of the annular ring (17), and the bottom of the annular sealing gasket (18) is installed on the outer side of the top of the valve seat (1).

5. A valve cover that is easy to open and close according to claim 4, characterized in that: The inner top wall of the second annular groove (16) is equipped with several limiting rods (19). The bottom of the outer wall of the limiting rod (19) is installed on the inner wall of the fixing groove (20), and the fixing groove (20) is opened at the top of the annular ring (17). The outer wall of the limiting rod (19) is movably connected to a second pressure spring (21), and one end of the second pressure spring (21) is movably connected to the top of the annular ring (17).

6. A valve cover that is easy to open and close according to claim 1, characterized in that: A discharge pipe (22) is installed through the middle of the top of the valve cover (2). A sealing box (23) is installed on one side of the discharge pipe (22). A moving groove (24) is opened on the inner wall of the sealing box (23), and one end of the moving groove (24) is opened on the inner wall of the discharge pipe (22).

7. A valve cover that is easy to open and close according to claim 6, characterized in that: The inner wall of the movable groove (24) is movably connected to a sealing block (25), the outer wall of the sealing block (25) is fitted with a sealing pad (26), one end of the sealing block (25) is provided with a connecting groove (27), the inner wall of the connecting groove (27) is movably connected to a connecting block (28), one end of the connecting block (28) is fitted with a bolt (29), and the outer wall thread of the bolt (29) is connected through to one end of the sealing box (23).

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