Gas safety self-closing valve stable in installation

Abstract

The utility model discloses a gas safety self-closing valve stable in installation, which belongs to the field of gas safety self-closing valves and comprises a self-closing valve body, a first fixing plate and two L-shaped supports are detachably installed on the self-closing valve body through an installation assembly, and the first fixing plate is located between the two supports. According to the stably-installed gas safety self-closing valve, a first cone plate, a second cone plate, a spring and a trapezoidal plate are arranged, the first cone plate and the second cone plate are supported through a supporting rod, and when the first cone plate slides on the supporting rod and the second cone plate is fixed to the supporting rod, the inclined face abuts against the second cone plate when the inclined face of the trapezoidal plate moves towards the left side; the trapezoidal plate drives the sliding rod to slide on the wedge-shaped plate to extrude the spring, then the connecting plate is clamped between the first conical plate and the second conical plate, the joint of the pipeline is shielded and protected by combining the effect of the protection plate, then the firmness of the joint of the pipeline is improved, and the self-closing valve body is more stable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas safety self -closing valve technical field, specifically related to a kind of installation stable gas safety self -closing valve. BACKGROUND

[0002] Household pipeline gas self -closing valve (hereinafter referred to as self -closing valve) is installed on underpressure gas system pipeline, and it is the only legislation clear use gas safety protection product in China, and the self -closing valve has the function of automatically cutting off gas when underpressure, overpressure and pressure loss, and it can be manually reset, and the self -closing valve can cut off gas without the aid of power or external power when gas stops, gas supply is abnormal, gas pipe falls off or leaks, to prevent gas leakage.

[0003] However, the existing gas self -closing valve is fixed on the pipeline, and no shielding protection structure is provided for the pipeline connection, so that the pipeline connection is prone to poor fixing effect, and the connection of the pipeline is prone to looseness or falling off, which affects its normal use and safety. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of installation stable gas safety self -closing valve to solve the problem of poor fixing effect of pipeline connection caused by the lack of shielding protection structure for pipeline connection when the existing gas self -closing valve is fixed on the pipeline, and the connection of the pipeline is prone to looseness or falling off, which affects its normal use and safety.

[0005] To achieve the above object, the utility model provides the following technical scheme: including self -closing valve main body, the self -closing valve main body is detachably installed with fixed plate one and two L-shaped supports by installation component, the fixed plate one is located between two supports, the right side surface of fixed plate one is installed with support rod, the support rod is provided with taper plate one and taper plate two, the taper plate one is slidably installed on the support rod, the upper surface of the horizontal portion of support is provided with wedge-shaped plate, the wedge-shaped plate is slidably penetrated and installed with slide bar, the opposite end of two slide bars is all installed with trapezoidal plate, the one end of wedge-shaped plate is provided with inclined surface, the slide bar is sleeved with spring, and the two ends of the spring are fixedly connected with trapezoidal plate and wedge-shaped plate respectively, the L-shaped connecting plate is arranged on the trapezoidal plate by fixed component, the bottom end of vertical portion of connecting plate is installed with arc-shaped protection plate, and two protection plates are located at the front and back of self -closing valve main body respectively.

[0006] By adopting the scheme, the taper plate one and the taper plate two are supported by the supporting rod, the taper plate one slides on the supporting rod, and the taper plate two is fixed on the supporting rod, so that when the inclined surface of the trapezoidal plate moves to the left, the inclined surface is in abutment with the taper plate two, the trapezoidal plate drives the slide rod to slide on the wedge-shaped plate to press the spring, the connecting plate is clamped between the taper plate one and the taper plate two, the connecting part of the pipeline is shielded and protected by the protection plate, the firmness of the connecting part of the pipeline is improved, and the self-closing valve body is more stable.

[0007] As a preferred implementation form, the upper and lower sides of the supporting rod are both provided with sliding grooves, and sliding blocks are slidingly installed in the sliding grooves.

[0008] By adopting the scheme, the taper plate one can stably slide on the supporting rod by the sliding installation of the sliding block in the sliding groove, and the stability of the taper plate one is improved, and the phenomenon that the taper plate one rotates on the supporting rod is avoided.

[0009] As a preferred implementation form, the other end of the slide rod is provided with a baffle one, the right end of the supporting rod is provided with a baffle two, and the diameter of the baffle two is smaller than that of the taper plate two.

[0010] By adopting the scheme, the taper plate one and the taper plate two are stably supported by the baffle one and the baffle two, the one end of the slide rod is intercepted by the baffle one, the slide rod is prevented from falling off the wedge-shaped plate, the one end of the supporting rod is plugged by the baffle two, and the stability of the taper plate one and the taper plate two is improved.

[0011] As a preferred implementation form, the fixing assembly comprises a fixing plate two, the fixing plate two is installed on the upper surface of the trapezoidal plate, a fixing rod is slidingly and penetratively installed on the fixing plate two, a fixed hole is formed in the connecting plate, the bottom end of the fixing rod extends out of the fixed hole in a penetrating manner, a rubber pad is installed on the outer surface of the fixing rod and is in close contact with the fixed hole, and a pull plate is installed at the top end of the fixing rod.

[0012] By adopting the scheme, the fixing plate two and the fixing rod are provided, the fixing rod is fixed and supported by the fixing plate two, the friction between the fixing rod and the fixed hole is increased by the rubber pad on the outer side of the fixing rod, the fixing of the connecting plate by the fixing rod is improved, and the fixing rod is moved by the pull plate, which is convenient for the operator.

[0013] As a preferred implementation form, the mounting assembly comprises an arc-shaped mounting plate arranged above the self-closing valve body, the first fixing plate and the two supports are mounted on the upper surface of the mounting plate, and bolts are inserted into the front and rear sides of the mounting plate, and the tail ends of the bolts are threadedly connected with the self-closing valve body.

[0014] By adopting the above scheme, the first fixing plate and the two supports are supported and fixed by the mounting plate, the mounting plate is threadedly fixed on the self-closing valve body by the action of the bolts, and the mounting plate can be dismounted at any time by loosening the bolts.

[0015] As a preferred implementation form, the front and rear sides of the self-closing valve body are provided with arc-shaped positioning plates, the front and rear ends of the mounting plate are provided with positioning holes, and positioning rods are arranged in the positioning holes and fixedly connected with the positioning plates.

[0016] By adopting the above scheme, the installation position of the mounting plate is intercepted and fixed by the action of the positioning plates, the installation position of the mounting plate is prevented from being far away from the interface of the pipeline, the mounting plate is preliminarily fixed by the action that the positioning rods penetrate through the positioning holes, and the mounting plate is conveniently installed in the later period.

[0017] Compared with the prior art, the self-closing valve has the following beneficial effects:

[0018] The installation stable gas safety self-closing valve is provided with the first taper plate, the second taper plate, the spring and the trapezoidal plate, the first taper plate and the second taper plate are supported by the supporting rod, the first taper plate slides on the supporting rod, the second taper plate is fixed on the supporting rod, the inclined surface of the trapezoidal plate moves to the left side and abuts against the second taper plate, the trapezoidal plate drives the sliding rod to slide on the wedge-shaped plate to press the spring, the connecting plate is clamped between the first taper plate and the second taper plate, the pipeline connection is shielded and protected by the action of the protective plate, the stability of the pipeline connection is improved, and the self-closing valve body is more stable.

[0019] The installation stable gas safety self-closing valve is provided with the second fixing plate and the fixing rod, the second fixing plate is used for fixing and supporting the fixing rod, the friction between the fixing rod and the fixing hole is increased by the action of the rubber pad outside the fixing rod, the fixing property of the fixing rod to the connecting plate is improved, and the fixing rod is conveniently moved by the action of the pull plate. BRIEF DESCRIPTION OF DRAWINGS

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

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

[0022] Fig. 3 The A place amplification structure schematic view of the utility model.

[0023] In the figure: 1, self-closing valve body; 2, fixed plate one; 3, support rod; 4, conical plate one; 5, conical plate two; 6, bracket; 7, wedge plate; 8, slide rod; 9, spring; 10, trapezoidal plate; 11, baffle one; 12, sliding block; 13, fixed plate two; 14, fixed rod; 15, pull plate; 16, connecting plate; 17, mounting plate; 18, bolt; 19, positioning plate; 20, positioning rod; 21, guard plate; 22, baffle two. DETAILED DESCRIPTION

[0024] Please refer to Figs. 1-3 The utility model provides a kind of stable installation gas safety self-closing valve, including self-closing valve body 1, self-closing valve body 1 is detachably installed with fixed plate one 2 and two L-shaped brackets 6 by mounting assembly, fixed plate one 2 is between two brackets 6, the right side surface of fixed plate one 2 is installed with support rod 3, support rod 3 is provided with conical plate one 4 and conical plate two 5, conical plate one 4 is slidably installed on support rod 3, the upper surface of bracket 6 horizontal portion is provided with wedge plate 7, slidingly penetrates and is installed with slide rod 8 on wedge plate 7, two slide rods 8 opposite end are all installed with trapezoidal plate 10, one end of wedge plate 7 is provided with inclined surface, spring 9 of two ends is fixedly connected with trapezoidal plate 10 and wedge plate 7 respectively and is sleeved on slide rod 8, trapezoidal plate 10 is provided with L-shaped connecting plate 16 by fixed assembly, the bottom end of connecting plate 16 vertical portion is installed with arc-shaped guard plate 21, two guard plates 21 are located at the front and rear sides of self-closing valve body 1 respectively, by setting conical plate one 4, conical plate two 5, spring 9 and trapezoidal plate 10, support rod 3 is used to support conical plate one 4 and conical plate two 5, the effect of conical plate one 4 sliding on support rod 3, conical plate two 5 is fixed on support rod 3, when the inclined surface of trapezoidal plate 10 moves to left side, the inclined surface is in contact with conical plate two 5, trapezoidal plate 10 drives slide rod 8 to slide on wedge plate 7 and exerts pressure on spring 9, then connecting plate 16 is clamped between conical plate one 4 and conical plate two 5, in combination with the effect of guard plate 21, the connecting portion of pipeline is shielded and protected, thereby increasing the firmness of pipeline connecting portion, so that self-closing valve body 1 is more stable.

[0025] The upper and lower sides of support rod 3 are both provided with sliding groove, sliding groove is slidably installed with sliding block 12, one end of sliding block 12 is fixedly connected with conical plate one 4, by setting sliding block 12, the effect of sliding block 12 slidingly installed in sliding groove is utilized, then conical plate one 4 can stably slide on support rod 3, thereby improving the stability of conical plate one 4, to avoid the phenomenon that conical plate one 4 rotates on support rod 3.

[0026] The other end of the slide rod 8 is provided with a baffle one 11, and the right end of the supporting rod 3 is provided with a baffle two 22, the diameter of the baffle two 22 is smaller than the diameter of the taper plate two 5, by setting the baffle one 11 and the baffle two 22, the one end of the slide rod 8 is intercepted by the baffle one 11, so as to avoid the slide rod 8 from falling off the wedge plate 7, and the one end of the supporting rod 3 is blocked by the baffle two 22, so as to improve the stability of the taper plate one 4 and the taper plate two 5.

[0027] The fixing assembly comprises a fixing plate two 13 installed on the upper surface of the trapezoidal plate 10, a fixing rod 14 slidingly penetratingly installed on the fixing plate two 13, a fixing hole formed on the connecting plate 16, the bottom end of the fixing rod 14 extending out of the fixing hole, a rubber pad installed on the outer surface of the fixing rod 14 and tightly contacting with the fixing hole, and a pull plate 15 installed on the top end of the fixing rod 14, by setting the fixing plate two 13 and the fixing rod 14, the fixing rod 14 is fixed and supported by the fixing plate two 13, the friction between the fixing rod 14 and the fixing hole is increased by the rubber pad on the outer side of the fixing rod 14, so as to improve the fixing of the fixing rod 14 on the connecting plate 16, and the fixing rod 14 is moved by the pull plate 15.

[0028] The mounting assembly comprises an arc-shaped mounting plate 17, the mounting plate 17 is arranged above the self-closing valve body 1, the fixing plate one 2 and the two brackets 6 are both installed on the upper surface of the mounting plate 17, the front and rear sides of the mounting plate 17 are both inserted with bolts 18, the tail ends of the bolts 18 are threadedly connected with the self-closing valve body 1, by setting the bolts 18 and the mounting plate 17, the fixing plate one 2 and the two brackets 6 are supported and fixed by the mounting plate 17, the mounting plate 17 is threadedly fixed on the self-closing valve body 1 by the bolts 18, so as to conveniently dismount the mounting plate 17 at any time.

[0029] The front and rear sides of the self-closing valve body 1 are both provided with arc-shaped positioning plates 19, the front and rear ends of the mounting plate 17 are both provided with positioning holes, and positioning rods 20 are arranged in the positioning holes, one end of the positioning rod 20 is fixedly connected with the positioning plate 19, by setting the positioning plate 19 and the positioning rod 20, the mounting position of the mounting plate 17 is intercepted and fixed by the positioning plate 19, so as to avoid that the mounting position of the mounting plate 17 is far away from the interface of the pipeline, and the mounting plate 17 is preliminarily fixed by the positioning rod 20 penetrating through the positioning hole, so as to facilitate the reinforced mounting of the mounting plate 17 in the later period.

[0030] In use, the installation plate 17 is placed above the self-closing valve body 1, then the installation plate 17 is moved, one end of the positioning rod 20 gradually penetrates through the positioning hole, then the bolt 18 is turned to fix the installation plate 17, the two protective plates 21 are placed on the front and back of the self-closing valve body 1, then one end of the connecting plate 16 is moved below the fixed plate two 13, then the fixed rod 14 is moved downward, the bottom end of the fixed rod 14 penetrates through and extends out of the fixed hole, then the protective plate 21 is moved, the protective plate 21 drives the connecting plate 16 to move to the left side, the connecting plate 16 drives the trapezoidal plate 10 to move, when the inclined surface of the trapezoidal plate 10 abuts against the conical plate two 5, the trapezoidal plate 10 is driven by the abutting force of the conical plate two 5 to drive the sliding rod 8 to slide on the wedge-shaped plate 7 to extrude the spring 9, then when the trapezoidal plate 10 moves between the conical plate two 5 and the conical plate one 4, the trapezoidal plate 10 is reset by the reaction force of the spring 9, thereby fixing the protective plate 21 on the self-closing valve body 1, when it is needed to move the trapezoidal plate 10 to the right side of the conical plate two 5 again, the trapezoidal plate 10 is continuously moved to the left side, the inclined surface of the trapezoidal plate 10 abuts against the conical plate one 4 and then is moved to the left side of the conical plate one 4 by the elasticity of the spring 9, then the trapezoidal plate 10 is reset by the reaction force of the spring 9, then the trapezoidal plate 10 is moved to the right side, at this moment the trapezoidal plate 10 drives the conical plate one 4 to slide and then slide through the conical plate two 5, moves to the right side of the conical plate two 5, thereby the clamping of the trapezoidal plate 10 can be released, the operation is convenient.

Claims

1. A gas safety self-closing valve with stable installation, characterized in that: The device includes a self-closing valve body (1), on which a fixing plate (2) and two L-shaped brackets (6) are detachably mounted via an installation assembly. The fixing plate (2) is located between the two brackets (6). A support rod (3) is installed on the right side of the fixing plate (2). A cone plate (4) and a cone plate (5) are provided on the support rod (3). The cone plate (4) is slidably mounted on the support rod (3). A wedge plate (7) is provided on the upper surface of the transverse portion of the bracket (6). The wedge plate (7) slides through the support rod (6). A sliding rod (8) is installed, and a trapezoidal plate (10) is installed at one end of each of the two sliding rods (8). One end of the wedge plate (7) is provided with an inclined surface. A spring (9) is sleeved on the sliding rod (8) and its two ends are fixedly connected to the trapezoidal plate (10) and the wedge plate (7) respectively. An L-shaped connecting plate (16) is provided on the trapezoidal plate (10) through a fixing component. An arc-shaped protective plate (21) is installed at the bottom of the vertical part of the connecting plate (16). The two protective plates (21) are located on the front and rear sides of the self-closing valve body (1) respectively.

2. The gas safety self-closing valve with stable installation according to claim 1, characterized in that: The support rod (3) has grooves on both its upper and lower sides, and a slider (12) is slidably installed in the groove. One end of the slider (12) is fixedly connected to the cone plate (4).

3. The gas safety self-closing valve with stable installation according to claim 1, characterized in that: The other end of the slide rod (8) is equipped with a baffle (11), and the right end of the support rod (3) is equipped with a baffle (22). The diameter of the baffle (22) is smaller than the diameter of the cone plate (5).

4. The gas safety self-closing valve with stable installation according to claim 1, characterized in that: The fixing assembly includes a second fixing plate (13), which is installed on the upper surface of the trapezoidal plate (10). A fixing rod (14) is slidably installed on the second fixing plate (13). A fixing hole is provided on the connecting plate (16). The bottom end of the fixing rod (14) extends through the fixing hole. A rubber pad is installed on the outer surface of the fixing rod (14) and the rubber pad is in close contact with the fixing hole. A pull plate (15) is installed on the top end of the fixing rod (14).

5. The gas safety self-closing valve with stable installation according to claim 1, characterized in that: The mounting assembly includes an arc-shaped mounting plate (17) which is positioned above the self-closing valve body (1). The fixing plate (2) and two brackets (6) are mounted on the upper surface of the mounting plate (17). Bolts (18) are inserted into the front and rear sides of the mounting plate (17), and the tail ends of the bolts (18) are threadedly connected to the self-closing valve body (1).

6. The gas safety self-closing valve with stable installation according to claim 5, characterized in that: The self-closing valve body (1) is equipped with arc-shaped positioning plates (19) on both the front and rear sides. The mounting plate (17) has positioning holes at both the front and rear ends. A positioning rod (20) is installed in the positioning hole. One end of the positioning rod (20) is fixedly connected to the positioning plate (19).

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