Gas safety self-closing valve with high assembly sealing performance

Abstract

The utility model discloses a gas safety self-closing valve with high assembly sealing performance, which belongs to the field of gas safety self-closing valves and comprises a self-closing valve main body, two first fixing plates are detachably mounted on the self-closing valve main body through mounting components, and the two first fixing plates are respectively positioned on the front side and the rear side of the right end of the self-closing valve main body; according to the gas safety self-closing valve with the high assembling sealing performance, the supporting rod, the spring, the clamping plate and the threaded rod are arranged, the movable plate can be conveniently moved through the supporting effect of the first fixing rod on the supporting rod, the movable plate can be conveniently reset by itself in cooperation with the elasticity effect of the spring, and the sealing performance is improved by combining the effects of the threaded rod and the clamping plate. The clamping plate is moved under the action of the threaded rod to tighten the gas pipeline, so that the firmness of the gas pipeline is improved, the phenomenon that the gas pipeline is separated from a port of the self-closing valve body is avoided, gas leakage is avoided, potential safety hazards are reduced, and great convenience is brought to users.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas safety self -closing valve technical field, concretely relates to a kind of gas safety self -closing valve of high assembly sealing property. BACKGROUND

[0002] Gas safety self -closing valve belongs to a kind of automatic valve, for the safety protection of system or device, the working principle of gas safety self -closing valve is generally opened automatically when gas pressure reaches set value, automatically closed when pressure drops below system set value, the structure principle of current gas safety self -closing valve is all vertical control, that is, the pressure sensing device in gas safety self -closing valve and the valve core that control valve body opening and closing are located on the same vertical axis, this kind of traditional control device has the processing advantage of simple manufacture and lower cost.

[0003] But the existing gas safety self -closing valve in the process of installation, self -closing valve and gas pipeline connection place, there is no device for fixing gas pipeline, and then gas pipeline in long time working process, it will appear with self -closing valve port separation phenomenon, and then easy to cause gas leakage, greatly improve the existence of security risk, bring great inconvenience to user. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of gas safety self -closing valve of high assembly sealing property to solve the problem that the existing gas safety self -closing valve in the process of installation in the above background technique, self -closing valve and gas pipeline connection place, there is no device for fixing gas pipeline, and then gas pipeline in long time working process, it will appear with self -closing valve port separation phenomenon, and then easy to cause gas leakage, greatly improve the existence of security risk, bring great inconvenience to user.

[0005] To achieve the above object, the utility model provides the following technical scheme: including self -closing valve main body, two fixed plates one can be detachably installed on the self -closing valve main body by mounting assembly, two the fixed plate one is located at the front and back of right end of self -closing valve main body respectively, the fixed plate one is slidably penetrated and is installed with support rod, the one end of support rod is installed with L-shaped movable plate, the other end of support rod is installed with round plate, the spring of both ends is fixedly connected with round plate and fixed plate one is sleeved on support rod, the transverse portion of movable plate is screw-threaded with threaded rod, the one end of threaded rod is rotatably installed with arc clamping plate, the other end of threaded rod is installed with rotating plate.

[0006] By adopting the scheme, the support rods, the spring, the clamping plates and the threaded rods are arranged, the support rods are supported by the fixed rod, the movable plate is conveniently moved, the movable plate is conveniently reset by the elasticity of the spring, the threaded rods are used to move the clamping plates to tighten the gas pipeline, the firmness of the gas pipeline is improved, the gas pipeline is not separated from the self-closing valve body port, gas leakage is avoided, the security risk is reduced, and great convenience is brought to users.

[0007] As a preferred embodiment, the mounting assembly comprises an arc-shaped mounting plate one and an arc-shaped mounting plate two, the mounting plate one and the mounting plate two are located on the front and back sides of the right end of the self-closing valve body, the two ends of the mounting plate one and the mounting plate two are provided with buckling plates, the same bolt is threadedly installed on the two buckling plates at the same horizontal height, and the two fixed plates one are respectively installed on the mounting plate one and the mounting plate two.

[0008] By adopting the scheme, the mounting plate one, the mounting plate two and the bolt are arranged, the mounting plate one and the mounting plate two are used to support and fix the fixed plate one, the two ends of the mounting plate one and the mounting plate two are fixed by the bolt, and the mounting plate one and the mounting plate two are conveniently disassembled by loosening the bolt at any time.

[0009] As a preferred embodiment, the opposite sides of the mounting plate one and the mounting plate two are provided with two positioning pins, the front and back sides of the self-closing valve body are provided with two positioning grooves matched with the positioning pins, and one end of the positioning pin is located in the positioning groove.

[0010] By adopting the scheme, the positioning pins are arranged, the mounting positions of the mounting plate one and the mounting plate two are determined by the cooperation of the positioning pins and the positioning grooves, the mounting positions of the mounting plate one and the mounting plate two are avoided to be close or far, the mounting plate one and the mounting plate two can be installed at appropriate positions, and the operation is convenient.

[0011] As a preferred embodiment, the upper and lower sides of the movable plate are provided with the fixed plate two, the fixed plate two is provided with the telescopic rod, and the telescopic shaft of the telescopic rod is fixedly connected with the clamping plate.

[0012] By adopting the scheme, the fixed plate two and the telescopic rod are arranged, the fixed plate two is used to support the telescopic rod, the telescopic rod is used to limit and support the clamping plate, the stability of the clamping plate is improved, and the clamping plate can stably tighten the gas pipeline.

[0013] As a preferred implementation form, the upper surfaces of the mounting plate one and the mounting plate two are provided with support plates, and the arc-shaped cover plates are detachably mounted on the support plates through sliding assemblies and are located above the clamping plates.

[0014] By adopting the above scheme, the support plates and the cover plates are arranged, the sliding assemblies on the support plates are used for slidingly supporting the cover plates, the cover plates are combined, the connection part of the gas pipeline is covered, oil stains are prevented from dropping on the connection part of the gas pipeline, and the service life of the gas pipeline is prolonged.

[0015] As a preferred implementation form, the sliding assembly comprises two L-shaped sliding rods, sliding holes are formed in the support plates, the two sliding rods are respectively penetrated through the two sliding holes and are fixedly connected with the cover plate, and a plugging cap is threadedly mounted on one end of the transverse part of the sliding rod.

[0016] By adopting the above scheme, the sliding rods and the plugging cap are arranged, the cover plate is supported above the main body of the self-closing valve through the sliding rods, the cover plate is moved through the sliding of the sliding rods in the sliding holes, the cover plate is conveniently disassembled through the threaded mounting of the plugging cap.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] The assembled gas safety self-closing valve with high sealing performance is provided with the support rods, the springs, the clamping plates and the threaded rods, the support rods are supported through the fixed rods, the movable plate is moved, the movable plate is conveniently reset through the elasticity of the springs, the clamping plates are moved through the threaded rods, the gas pipeline is tightened, the firmness of the gas pipeline is improved, the gas pipeline is not separated from the main body of the self-closing valve, gas leakage is avoided, the existence of the safety hidden danger is reduced, and great convenience is brought to users.

[0019] The assembled gas safety self-closing valve with high sealing performance is provided with the mounting plate one, the mounting plate two and the bolts, the fixed plate one is supported and fixed through the mounting plate one and the mounting plate two, the two ends of the mounting plate one and the mounting plate two are fixed through the bolts, and the mounting plate one and the mounting plate two are conveniently disassembled through the loosening of the bolts. DETAILED DESCRIPTION

[0020] Fig. 1 It is a structural schematic view of the utility model;

[0021] Fig. 2 It is a clamping plate side view structural schematic view of the utility model;

[0022] Fig. 3 It is the first view structure schematic drawing of the utility model's installation plate.

[0023] In the figure: 1, self-closing valve main body; 2, installation plate one; 3, installation plate two; 4, fixed plate one; 5, support rod; 6, round plate; 7, spring; 8, movable plate; 9, threaded rod; 10, rotating plate; 11, clamping plate; 12, fixed plate two; 13, telescopic rod; 14, buckling plate; 15, bolt; 16, positioning pin; 17, support plate; 18, sliding rod; 19, cover plate; 20, plugging cap. DETAILED DESCRIPTION

[0024] Please refer to Figs. 1-3 The utility model provides a kind of high assembled sealing gas safety self-closing valve, including self-closing valve main body 1, two fixed plate one 4 are detachably installed on self-closing valve main body 1 by installation assembly, two fixed plate one 4 are located respectively at the front and back of the right end of self-closing valve main body 1, support rod 5 is slidably penetrated and installed on fixed plate one 4, one end of support rod 5 is installed with L-shaped movable plate 8, the other end of support rod 5 is installed with round plate 6, spring 7 with two ends fixedly connected with round plate 6 and fixed plate one 4 is sleeved on support rod 5, threaded rod 9 is screw-mounted on the transverse portion of movable plate 8, one end of threaded rod 9 is rotatably installed with arc clamping plate 11, the other end of threaded rod 9 is installed with rotating plate 10, by being provided with support rod 5, spring 7, clamping plate 11 and threaded rod 9, the effect of being supported by fixed rod one to support rod 5, it is convenient to move movable plate 8, cooperate the elastic effect of spring 7, it is convenient that movable plate 8 can be reset, in combination with the effect of threaded rod 9 and clamping plate 11, by the effect of threaded rod 9, move clamping plate 11 to the tightening work of gas pipeline, to improve the firmness of gas pipeline, gas pipeline and self-closing valve main body 1 port separation phenomenon does not appear, avoid gas leakage, reduce the existence of security risk, greatly convenient for user.

[0025] Installation assembly includes arc-shaped installation plate one 2 and arc-shaped installation plate two 3, installation plate one 2 and installation plate two 3 are located respectively at the front and back of the right end of self-closing valve main body 1, both ends of installation plate one 2 and installation plate two 3 are installed with buckling plate 14, same bolt 15 is screw-mounted on two buckling plates 14 at same horizontal height, two fixed plate one 4 are installed on installation plate one 2 and installation plate two 3 respectively, by being provided with installation plate one 2, installation plate two 3 and bolt 15, the effect of installation plate one 2 and installation plate two 3 is used to support and fix fixed plate one 4, in combination with the effect of buckling plate 14 and bolt 15, the both ends of installation plate one 2 and installation plate two 3 are fixed by bolt 15, also it is convenient to loosen bolt 15 to disassemble installation plate one 2 and installation plate two 3 at any time later.

[0026] The opposite side of the mounting plate one 2 and the mounting plate two 3 is provided with two positioning pins 16, and the front and rear sides of the self-closing valve body 1 are provided with two positioning grooves matched with the positioning pins 16. One end of the positioning pin 16 is located in the positioning groove. By setting the positioning pin 16, the installation position of the mounting plate one 2 and the mounting plate two 3 is determined, so that the installation position of the mounting plate one 2 and the mounting plate two 3 is avoided to be close or far, and then the mounting plate one 2 and the mounting plate two 3 can be installed at the appropriate position, which is convenient to operate.

[0027] The upper and lower sides of the movable plate 8 are provided with the fixed plate two 12, and the telescopic rod 13 is installed on the fixed plate two 12. The telescopic shaft of the telescopic rod 13 is fixedly connected with the clamping plate 11. By setting the fixed plate two 12 and the telescopic rod 13, the telescopic rod 13 is supported by the fixed plate two 12, and the telescopic rod 13 is extended to limit and support the clamping plate 11, thereby improving the stability of the clamping plate 11, so that the clamping plate 11 can stably tighten the gas pipeline.

[0028] The upper surfaces of the mounting plate one 2 and the mounting plate two 3 are provided with the supporting plate 17, and the arc-shaped cover plate 19 is detachably installed on the supporting plate 17 through the sliding assembly. The cover plate 19 is located above the clamping plate 11. By setting the supporting plate 17 and the cover plate 19, the cover plate 19 is supported by the sliding assembly on the supporting plate 17, and the connection of the gas pipeline is covered by the cover plate 19, so that the oil stains are prevented from dropping on the interface of the gas pipeline, thereby prolonging the service life of the gas pipeline.

[0029] The sliding assembly includes two L-shaped sliding rods 18. The supporting plate 17 is provided with sliding holes, and the two sliding rods 18 penetrate through the two sliding holes and are fixedly connected with the cover plate 19. One end of the transverse part of the sliding rod 18 is provided with a plug cap 20. By setting the sliding rod 18 and the plug cap 20, the cover plate 19 is supported above the self-closing valve body 1 by the sliding rod 18, and the cover plate 19 is moved by the sliding action of the sliding rod 18 in the sliding hole. The plug cap 20 is screwed to facilitate the disassembly of the cover plate 19.

[0030] In use, the installation plate 2 and the installation plate 3 are placed on the front and back of the self-closing valve body 1, then the installation plate 2 and the installation plate 3 are moved simultaneously, one end of the positioning pin 16 is driven into the positioning groove, then the bolt 15 is rotated to fix the installation plate 2 and the installation plate 3, then the rotating plate 10 is rotated, the threaded rod 9 is driven to rotate, the clamping plate 11 is driven to move when the threaded rod 9 rotates, the two clamping plates 11 are driven to move close to each other under the drive of the threaded rod 9, the gas pipeline is clamped, then the rotating plate 10 is stopped, then the cover plate 19 is placed above the self-closing valve body 1, one end of the sliding rod 18 is slid through the sliding hole, then the plug cap 20 is rotated to plug one end of the sliding rod 18, the sliding rod 18 is moved, the sliding rod 18 drives the cover plate 19 to move, the cover plate 19 is moved above the connection between the gas pipeline and the self-closing valve body 1, and then the gas pipeline is covered, so that the operation is convenient.

Claims

1. A gas safety self-closing valve having high sealing performance, characterized by: The utility model provides self -closing valve body (1) on the two fixed plate (4) of detachable installation of installation component, two fixed plate (4) are located two sides of front and back of self -closing valve body (1) right end respectively, the support rod (5) of sliding penetration is installed on fixed plate (4), the movable plate (8) of L of one end of support rod (5) is installed, the round plate (6) of other end of support rod (5) is installed, the spring (7) of two ends fixed connection of round plate (6) and fixed plate (4) is sleeved on support rod (5), the horizontal portion of movable plate (8) is screw mounted with threaded rod (9), the clamping plate (11) of arc of one end of threaded rod (9) is rotatably installed, the other end of threaded rod (9) is installed with rotating plate (10).

2. The assembled gas safety shut-off valve with high sealing property according to claim 1, characterized in that: The installation component includes the installation plate (2) of arc and the installation plate (3) of arc, the installation plate (2) and installation plate (3) are located two sides of front and back of self -closing valve body (1) right end respectively, the both ends of installation plate (2) and installation plate (3) are installed with buckle plate (14), the same bolt (15) is screw mounted with two buckle plate (14) on the same horizontal height, two fixed plate (4) are installed on installation plate (2) and installation plate (3) respectively.

3. The assembled gas safety shut-off valve with high sealing property according to claim 2, characterized in that: The opposite side of installation plate (2) and installation plate (3) is installed with two positioning pins (16), and the front and back sides of self -closing valve body (1) are provided with two positioning grooves matched with the positioning pins (16), one end of the positioning pin (16) is located in the positioning groove.

4. The assembled gas safety shut-off valve with high sealing property according to claim 1, characterized in that: The upper and lower sides of movable plate (8) are installed with fixed plate (12), the telescopic rod (13) is installed on fixed plate (12), and the telescopic shaft of telescopic rod (13) is clamped and fixed.

5. The assembled gas safety shut-off valve with high sealing property according to claim 2, characterized in that: The upper surfaces of installation plate (2) and installation plate (3) are installed with support plate (17), the arc-shaped cover plate (19) is detachably installed on the support plate (17) through the sliding assembly, and the cover plate (19) is located above the clamping plate (11).

6. The assembled gas safety shut-off valve with high sealing property according to claim 5, characterized in that: The sliding assembly includes two L-shaped sliding rods (18), the sliding holes are formed in the support plate (17), the two sliding rods (18) penetrate through the two sliding holes and are fixedly connected with the cover plate (19), and the threaded rod (20) is screw mounted on one end of the horizontal portion of the sliding rod (18).

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