CN212690981U - Quick assembly disassembly's gas safety valve - Google Patents

Abstract

The utility model discloses a quick assembly disassembly's gas safety valve, two vent pipes including valve main part and valve main part both sides, the end of giving vent to anger of valve main part and inlet end all are provided with fast-assembling mechanism and with fast-assembling mechanism matched with leakproofness adjustment mechanism, fast-assembling mechanism is including communicateing respectively and fixing the pipe of giving vent to anger end and inlet end in the valve main part, vent pipe movable sleeve establishes on the pipe that corresponds, and vent pipe top and bottom all weld the inserted bar, and the movable sleeve is equipped with the rectangle plug bush on the inserted bar, the top and the bottom of pipe respectively with the rectangle plug bush welded fastening that corresponds. The utility model relates to a rationally, easy and simple to handle, the dismouting of the simple and convenient quick realization valve main part of being convenient for and vent pipe improves dismouting efficiency, and the leakproofness of being convenient for simple and convenient quick adjustment valve main part and vent pipe connection improves adjustment efficiency, satisfies the user demand, is favorable to the use.

Description

Quick assembly disassembly's gas safety valve

Technical Field

The utility model relates to a gas safety valve technical field especially relates to a quick assembly disassembly's gas safety valve.

Background

The gas appliance is generally used in the life of residents, the gas used by the gas appliance mainly comprises artificial gas, natural gas and liquefied petroleum gas, and because the gases have the characteristics of flammability and explosiveness, a gas safety valve is required to be used in the use process of the gas appliance, and the gas can be cut off in time when the accidental gas leakage time occurs through the gas safety valve.

The existing gas safety valve has the defects that the existing gas safety valve is inconvenient to assemble and disassemble with a gas pipeline quickly, and the sealing degree is mostly inconvenient to adjust and connect quickly, (a plurality of bolts are matched with flanges to fix in the prior art, the bolts are assembled and disassembled one by using special tools in the conventional fixing mode, the work of subsequent assembly and disassembly of personnel and the replacement of the pipeline is complicated and time-consuming, the sealing ring at the joint is aged to generate a gap to cause air leakage when being used for a long time, and the sealing ring at the joint is required to be pressed down by periodic inspection in the subsequent process).

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a quick-dismounting gas safety valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a quick-dismounting gas safety valve comprises a valve main body and two vent pipelines on two sides of the valve main body, wherein a gas outlet end and a gas inlet end of the valve main body are respectively provided with a quick-mounting mechanism and a sealing degree adjusting mechanism matched with the quick-mounting mechanism, the quick-mounting mechanism comprises round pipes which are respectively communicated and fixed on the gas outlet end and the gas inlet end of the valve main body, the vent pipelines are movably sleeved on the corresponding round pipes, the tops and the bottoms of the vent pipelines are respectively welded with an inserted rod, a rectangular inserting sleeve is movably sleeved on the inserted rod, the top and the bottom of each round pipe are respectively welded and fixed with the corresponding rectangular inserting sleeve, the top of each inserted rod is provided with a clamping groove with openings on the front side and the rear side, a handle is arranged above each round pipe, the bottom of each handle is fixedly connected with a square rod, each round pipe is sleeved on the corresponding square rod, and two L-shaped clamping rods which are respectively slidably, the bottom ends of the L-shaped clamping rods extend into the corresponding clamping grooves and are in a conical structure, the L-shaped clamping rods and the corresponding clamping grooves are clamped, and the top of the L-shaped clamping rod positioned below the two L-shaped clamping rods on the same quick-mounting mechanism and the bottom of the circular tube are fixedly connected with the same spring;

the tightness adjusting mechanism comprises elastic sealing rings movably sleeved in the vent pipeline, one sides of the two elastic sealing rings, which are close to each other, are respectively bonded and fixed with one ends of the two round pipes, which are far away from each other, conical sleeves are movably sleeved in the elastic sealing rings, the two conical sleeves are symmetrically arranged, rectangular rods are welded at the tops of the conical sleeves, which are close to one side of the valve main body, and the rectangular rod is sleeved with a rectangular sleeve in a sliding way, the top of the rectangular sleeve is welded and fixed with the inner wall of the top of the corresponding round tube, the inner wall of the top of the round tube is provided with a screw rod in a rotating way, the rectangular rod is sleeved on the corresponding screw rod in a threaded way, the square rod is sleeved with a rotating shaft in a sliding way, the round tube is sleeved on the corresponding rotating shaft in a sealing and rotating way, the rotating shaft is sleeved with a first bevel gear in a welding way, and one side of the first bevel gear, which is far away from the valve main body, is engaged with a second bevel gear, and the second bevel gear is welded and fixed with one side of the corresponding screw rod, which is close to the square rod.

Preferably, first round holes are formed in the inner wall of the top of the circular tube and the inner wall of the bottom of the circular tube, a sealing bearing is fixedly sleeved in each first round hole, and the inner side of an inner ring of each sealing bearing is fixedly welded to the outer side of the corresponding rotating shaft.

Preferably, a square hole is formed in the top end of the rotating shaft, and the inner wall of the square hole is in sliding connection with the outer side of the corresponding square rod.

Preferably, a second round hole is formed in the top of the L-shaped clamping rod, a first bearing is fixedly sleeved in the second round hole, and the inner side of an inner ring of the first bearing is welded and fixed with four edges of the outer side of the corresponding square rod.

Preferably, one side fixedly connected with T shape slide rail that the air duct that corresponds was kept away from to the rectangle plug bush, one side top fixedly connected with slider that L shape kelly is close to the rectangle plug bush that corresponds, and the T shape spout that the top and bottom were the opening setting is seted up to one side that the slider is close to the rectangle plug bush that corresponds, T shape spout and the T shape slide rail sliding connection that corresponds.

Preferably, one end of each rectangular rod, which is close to the corresponding square rod, is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw.

Preferably, all fixedly connected with bearing frame on the top inner wall of pipe, welded fastening has the second bearing in the bearing frame, and the inner circle of second bearing and the outside welded fastening of the screw rod that corresponds.

Preferably, one side of the vent pipeline close to the valve main body is movably contacted with one side of the two corresponding rectangular plug bushes far away from the valve main body.

Compared with the prior art, the beneficial effects of the utility model are that:

the valve comprises a valve body, a round pipe, an air duct, a rectangular plug bush, plug rods, clamping grooves, a handle, a square rod, L-shaped clamping rods, springs, a rotating shaft, a first bevel gear, an elastic sealing ring, a conical sleeve, a rectangular rod, a rectangular sleeve and a second bevel gear which are matched with a screw rod, wherein the handle is pulled upwards to drive the square rod to slide upwards in the corresponding rotating shaft, the square rod drives two corresponding L-shaped clamping rods to be separated upwards from the two clamping grooves and compress the springs, the air duct is pulled towards the direction far away from the valve body to drive the plug rods to be drawn out from the rectangular plug bush, the separation is completed, when the valve is installed, the air duct is plugged on the round pipe, the air duct drives the two corresponding plug rods to pass through the two rectangular plug bushes, the pulling force on the handle is released, the springs in a compression state reset and drive the square rods to move downwards through the corresponding L-shaped clamping rods, the square rods drive the two corresponding L-shaped clamping rods to be, realization dismouting operation that can be quick, during the adjustment leakproofness, the positive rotation handle drives the square bar rotation that corresponds, the square bar drives first bevel gear through the pivot that corresponds and rotates, first bevel gear drives the screw rod through the second bevel gear that corresponds and rotates, the screw rod rotation can drive the rectangle pole that corresponds and slide to the direction that is close to the square bar in the rectangle cover, the rectangle pole drives the toper cover that corresponds and extrudees the inboard of elastic seal circle, under the extrusion force, elastic seal circle is being extruded outside the expansion and more inseparable with the inboard contact of the vent pipe who corresponds from the inboard this moment, realize the sealed purpose of in close contact, realize the purpose of quick adjustment connection leakproofness.

The utility model relates to a rationally, easy and simple to handle, the dismouting of the simple and convenient quick realization valve main part of being convenient for and vent pipe improves dismouting efficiency, and the leakproofness of being convenient for simple and convenient quick adjustment valve main part and vent pipe connection improves adjustment efficiency, satisfies the user demand, is favorable to the use.

Drawings

Fig. 1 is a schematic structural view of a quick-mounting/dismounting gas safety valve provided by the present invention;

fig. 2 is a schematic sectional view of a part a of a gas safety valve of the present invention;

fig. 3 is a schematic side view of an elastic sealing ring of a quick-mounting/dismounting gas safety valve according to the present invention;

fig. 4 is the utility model provides a quick assembly disassembly's gas safety valve's toper cover structure sketch map.

In the figure: 100 valve main part, 101 pipe, 1 breather pipe, 2 rectangle plug bushes, 3 inserted bars, 4 draw-in grooves, 5 handles, 6 square poles, 7L shape kelly, 8 springs, 9 pivot, 10 first bevel gear, 11 elastic seal circle, 12 taper sleeve, 13 rectangle pole, 14 rectangle cover, 15 second bevel gear, 16 screw rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a quick-assembly and disassembly gas safety valve comprises a valve body 100 and two vent pipes 1 arranged at two sides of the valve body 100, wherein both the gas outlet end and the gas inlet end of the valve body 100 are provided with a quick-assembly mechanism and a tightness adjusting mechanism matched with the quick-assembly mechanism, the quick-assembly mechanism comprises round pipes 101 respectively communicated and fixed at the gas outlet end and the gas inlet end of the valve body 100, the vent pipes 1 are movably sleeved on the corresponding round pipes 101, the top and the bottom of each vent pipe 1 are welded with an inserted rod 3, the inserted rod 3 is movably sleeved with a rectangular inserting sleeve 2, the top and the bottom of each round pipe 101 are respectively welded and fixed with the corresponding rectangular inserting sleeve 2, the top of each inserted rod 3 is provided with a clamping groove 4 with openings at the front side and the rear side, a handle 5 is arranged above each round pipe 101, the bottom of each handle 5 is fixedly connected with a square rod 6, each round pipe 101, the square rod 6 is rotatably sleeved with two L-shaped clamping rods 7 which are respectively slidably mounted with the corresponding rectangular insertion sleeves 2, the bottom ends of the L-shaped clamping rods 7 extend into the corresponding clamping grooves 4 and are in a conical structure, the L-shaped clamping rods 7 are clamped with the corresponding clamping grooves 4, and the top of the L-shaped clamping rod 7 positioned below the two L-shaped clamping rods 7 on the same quick-mounting mechanism and the bottom of the circular tube 101 are fixedly connected with the same spring 8;

the tightness adjusting mechanism comprises elastic sealing rings 11 movably sleeved in the vent pipeline 1, one sides of the two elastic sealing rings 11, which are close to each other, are respectively bonded and fixed with one ends of the two circular tubes 101, which are far away from each other, conical sleeves 12 are movably sleeved in the elastic sealing rings 11, the two conical sleeves 12 are symmetrically arranged, rectangular rods 13 are welded at the tops of the conical sleeves 12, which are close to one sides of the valve main body 100, rectangular sleeves 14 are slidably sleeved on the rectangular rods 13, the tops of the rectangular sleeves 14 are welded and fixed with the inner walls of the tops of the corresponding circular tubes 101, screw rods 16 are rotatably mounted on the inner walls of the tops of the circular tubes 101, the rectangular rods 13 are in threaded sleeve connection with the corresponding screw rods 16, rotating shafts 9 are slidably sleeved on the square rods 6, the circular tubes 101 are in sealed and rotating sleeved on the corresponding rotating shafts 9, first bevel gears 10 are welded and sleeved on the rotating shafts 9, and, second bevel gear 15 and the one side welded fastening that the screw rod 16 that corresponds is close to square bar 6, the utility model relates to a rationally, easy and simple to handle, the dismouting of the realization valve main part 100 that is convenient for portably quick and vent pipe 1 improves dismouting efficiency, and the leakproofness that the adjustment valve main part 100 that is convenient for portably quick is connected with vent pipe 1 improves adjustment efficiency, satisfies the user demand, is favorable to using.

In the utility model, the inner wall of the top and the inner wall of the bottom of the round tube 101 are both provided with first round holes, and the inner wall of the first round hole is fixedly sleeved with a sealing bearing, the inner side of the inner ring of the sealing bearing is welded and fixed with the outer side of the corresponding rotating shaft 9, the top end of the rotating shaft 9 is provided with a square hole, and the inner wall of the square hole is connected with the outer side of the corresponding square rod 6 in a sliding way, the top of the L-shaped clamping rod 7 is provided with a second round hole, and the inner side of the inner ring of the first bearing is welded and fixed with four corners of the outer side of the corresponding square rod 6, one side of the rectangular inserting sleeve 2 far away from the corresponding ventilation pipeline 1 is fixedly connected with a T-shaped sliding rail, one side of the L-shaped clamping rod 7 near the corresponding rectangular inserting sleeve 2 is fixedly connected with a slide block, and one side of the slide block near the corresponding rectangular inserting sleeve 2 is provided with a T-shaped, rectangular rod 13 is close to the one end of corresponding square bar 6 and has seted up threaded hole, and the screw hole 16 threaded connection with the screw rod that corresponds, equal fixedly connected with bearing frame on the top inner wall of pipe 101, bearing frame internal weld is fixed with the second bearing, and the inner circle of second bearing and the outside welded fastening of the screw rod 16 that corresponds, one side that valve main part 100 was kept away from to vent pipe 1 one side movable contact with two rectangle plug bushes 2 that correspond in one side that vent pipe 1 is close to valve main part 100, the utility model relates to a rationally, it is easy and simple to handle, the dismouting of realization valve main part 100 and vent pipe 1 that is convenient for simple and convenient quick improves dismouting efficiency, and the leakproofness that is connected with vent pipe 1 in the adjustment valve main part 100 that is convenient for simple and convenient quick, improves adjustment efficiency.

The working principle is as follows: when the valve is assembled and disassembled, the handle 5 is pulled upwards, the handle 5 drives the square rod 6 to slide upwards in a square hole formed at the top end of the corresponding rotating shaft 9, the square rod 6 drives the two corresponding L-shaped clamping rods 7 to be separated upwards from the two clamping grooves 4, the L-shaped clamping rod 7 positioned below upwards compresses the corresponding spring 8, at the moment, the vent pipeline 1 can be pulled towards the direction far away from the valve main body 100, the vent pipeline 1 slides downwards from the corresponding sealing ring 11 and the circular pipe 101, the vent pipeline 1 drives the two corresponding inserting rods 3 to be drawn out from the two rectangular inserting sleeves 2, the disassembly is completed, when the valve is assembled, the vent pipeline 1 is inserted and sleeved on the circular pipe 101, the vent pipeline 1 drives the two corresponding inserting rods 3 to pass through the two rectangular inserting sleeves 2, when the end part of the vent pipeline 1 is contacted with the two corresponding rectangular inserting sleeves 2, the pulling force on the handle 5 is released, at the moment, the spring 8 in the compressed state resets and drives the square rod 6 to move downwards through the corresponding L-, the square rod 6 drives the two corresponding L-shaped clamping rods 7 to be downwards clamped into the two clamping grooves 4, and the L-shaped clamping rods 7 limit the inserted rods 3 through the corresponding clamping grooves 4, so that the vent pipeline 1 is fixed and the installation is finished, the valve main body 100 and the vent pipeline 1 can be conveniently, simply and quickly disassembled and assembled, and the disassembling and assembling efficiency is improved;

when the tightness needs to be adjusted, the handle 5 is rotated in the forward direction, the handle 5 drives the corresponding square rod 6 to rotate in the two L-shaped clamping rods 7, the square rod 6 drives the rotating shaft 9 to rotate through the corresponding square hole, the rotating shaft 9 drives the corresponding first bevel gear 10 to rotate, the first bevel gear 10 drives the screw rod 16 to rotate through the second bevel gear 15 meshed with the first bevel gear, under the action of the threaded hole formed on the rectangular rod 13, the screw rod 16 can drive the corresponding rectangular rod 13 to slide in the rectangular sleeve 14 in the direction close to the square rod 6, the rectangular rod 13 drives the corresponding conical sleeve 12 to move in the direction close to the valve main body 100, at the moment, the conical surface on the outer side of the conical sleeve 12 extrudes the inner side of the elastic sealing ring 11, under the extrusion force, the elasticity of the elastic sealing ring 11 is matched with the elasticity of the elastic sealing ring 11, at the moment, the elastic sealing ring 11 is extruded from the inner side to expand to the outer side, at the moment, the elastic sealing ring 11 expanding, the purpose of tight contact sealing is achieved, so that the tightness of the connection of the valve body 100 and the vent pipe 1 can be adjusted easily and quickly.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. A quick-dismounting gas safety valve comprises a valve main body (100) and two air ducts (1) arranged on two sides of the valve main body (100), wherein a gas outlet end and a gas inlet end of the valve main body (100) are respectively provided with a quick-mounting mechanism and a tightness adjusting mechanism matched with the quick-mounting mechanism, and the quick-mounting mechanism is characterized in that the quick-mounting mechanism comprises round pipes (101) which are respectively communicated and fixed on the gas outlet end and the gas inlet end of the valve main body (100), the air ducts (1) are movably sleeved on the corresponding round pipes (101), inserting rods (3) are respectively welded on the top and the bottom of the air ducts (1), rectangular inserting sleeves (2) are movably sleeved on the inserting rods (3), the top and the bottom of each round pipe (101) are respectively welded and fixed with the corresponding rectangular inserting sleeve (2), and clamping grooves (4) with openings arranged on the front side and the rear side are arranged on the top of each inserting, a handle (5) is arranged above the circular tube (101), the bottom of the handle (5) is fixedly connected with a square rod (6), the circular tube (101) is sleeved on the corresponding square rod (6), two L-shaped clamping rods (7) which are respectively slidably mounted with the corresponding rectangular plug bushes (2) are rotatably sleeved on the square rod (6), the bottom ends of the L-shaped clamping rods (7) extend into the corresponding clamping grooves (4) and are of a conical structure, the L-shaped clamping rods (7) are clamped with the corresponding clamping grooves (4), and the top of the lower L-shaped clamping rod (7) in the two L-shaped clamping rods (7) on the same quick-assembly mechanism and the bottom of the circular tube (101) are fixedly connected with the same spring (8);

the tightness adjusting mechanism comprises elastic sealing rings (11) movably sleeved in an air duct (1), one side, close to each other, of the two elastic sealing rings (11) is fixedly bonded with one end, far away from each other, of each circular tube (101), a conical sleeve (12) is sleeved in the elastic sealing rings (11) in a movable manner, the two conical sleeves (12) are symmetrically arranged, a rectangular rod (13) is welded at the top of one side, close to a valve main body (100), of each conical sleeve (12), a rectangular sleeve (14) is sleeved on each rectangular rod (13) in a sliding manner, the top of each rectangular sleeve (14) is fixedly welded with the inner wall of the top of the corresponding circular tube (101), a screw rod (16) is rotatably installed on the inner wall of the top of each circular tube (101), the threaded sleeves of the rectangular rods (13) are sleeved on the corresponding screw rods (16), a rotating shaft (9) is sleeved on each square rod (6) in a sliding, a first bevel gear (10) is welded and sleeved on the rotating shaft (9), a second bevel gear (15) is meshed with one side, far away from the valve main body (100), of the first bevel gear (10), and the second bevel gear (15) is welded and fixed with one side, close to the square rod (6), of the corresponding screw (16).

2. The quick-assembly and disassembly gas safety valve as recited in claim 1, wherein the top inner wall and the bottom inner wall of the circular tube (101) are both provided with first circular holes, the first circular holes are fixedly sleeved with sealing bearings, and the inner sides of the inner rings of the sealing bearings are welded and fixed with the outer sides of the corresponding rotating shafts (9).

3. The quick-assembly and disassembly gas safety valve as recited in claim 1, wherein a square hole is formed at the top end of the rotating shaft (9), and the inner wall of the square hole is slidably connected with the outer side of the corresponding square rod (6).

4. The quick-assembly and disassembly gas safety valve as recited in claim 1, wherein a second round hole is formed in the top of the L-shaped clamping rod (7), a first bearing is fixedly sleeved in the second round hole, and the inner side of an inner ring of the first bearing is welded and fixed with four corners of the outer side of the corresponding square rod (6).

5. The quick-assembly and disassembly gas safety valve according to claim 1, wherein a T-shaped sliding rail is fixedly connected to one side of the rectangular insertion sleeve (2) far away from the corresponding vent pipe (1), a sliding block is fixedly connected to the top of one side of the L-shaped clamping rod (7) close to the corresponding rectangular insertion sleeve (2), a T-shaped sliding groove with the top and the bottom being open is formed in one side of the sliding block close to the corresponding rectangular insertion sleeve (2), and the T-shaped sliding groove is connected with the corresponding T-shaped sliding rail in a sliding mode.

6. The quick-assembly and disassembly gas safety valve according to claim 1, wherein one end of the rectangular rod (13) close to the corresponding square rod (6) is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw (16).

7. The quick-assembly and disassembly gas safety valve as recited in claim 1, wherein the top inner wall of the circular tube (101) is fixedly connected with a bearing seat, a second bearing is fixedly welded in the bearing seat, and an inner ring of the second bearing is fixedly welded with the outer side of the corresponding screw (16).

8. The quick-assembly and disassembly gas safety valve as recited in claim 1, wherein one side of the vent pipe (1) close to the valve body (100) is in movable contact with one side of the two corresponding rectangular plug bushes (2) far away from the valve body (100).

Images