CN210014813U

CN210014813U - Meter joint

Info

Publication number: CN210014813U
Application number: CN201920717720.8U
Authority: CN
Inventors: 董服义
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-02-04
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses a meter connector, which comprises a connector body, a meter connector body and a meter connector body, wherein the connector body is provided with a medium channel; the connecting nut is rotatably arranged on the joint body; the first anti-dismounting structure is arranged on the joint body; and the second anti-disassembly structure is arranged on the connecting nut and is in limit fit with the first anti-disassembly structure so as to limit the upward movement of the connecting nut. The utility model discloses a first, second are prevented tearing open the structure and are restricted coupling nut and move upwards, and the structure that the table connects has been simplified to this mode, has reduced the cost that the table connects to convenient operation.

Description

Meter joint

Technical Field

The utility model belongs to the technical field of the pipe joint, especially, relate to a table connects.

Background

In order to provide convenience for residents with gas, a gas company directly installs a gas pipeline indoors, the gas is supplied to each household for ignition of the gas stove through the gas pipeline, and meanwhile, in order to calculate the amount of the gas used by each household, the gas meter is required to be installed in each household; a gas meter connector is needed on the gas meter, a valve is connected through the gas meter connector, and then the valve is connected with a gas pipeline, so that the gas pipeline supplies gas through the gas meter; in order to avoid that a user dismantles a meter connector so that gas bypasses a gas meter and is directly supplied to a gas stove, part of the gas meter connector can be designed to be of an anti-disassembly type, the anti-disassembly design is that an anti-disassembly sleeve made of powder metallurgy materials is sleeved on a connecting nut, and the anti-disassembly sleeve and the connecting nut realize the anti-disengagement effect of the anti-disassembly sleeve and the connecting nut through a snap spring; however, the anti-disassembly method has the defect that when the meter connector is required to be disassembled by a gas company, the anti-disassembly sleeve must be broken by a special tool, and the anti-disassembly sleeve is broken by violence, so that the anti-disassembly sleeve cannot be reused subsequently, and the waste of the anti-disassembly sleeve is caused; moreover, the anti-dismantling sleeve needs to be clamped and broken, so that great strength is needed, and time and labor are consumed in the whole dismantling process; meanwhile, the anti-disassembly sleeve and the clamp spring need to be additionally arranged, so that the meter connector is high in cost and poor in economic benefit.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a simple structure, with low costs table and connect.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a watch joint comprises

A fitting body having a media passage;

the connecting nut is rotatably arranged on the joint body;

the first anti-dismounting structure is arranged on the joint body;

locate second on the coupling nut prevents tearing open the structure, this second prevent tearing open the structure with first prevent tearing open the spacing cooperation of structure in order to restrict coupling nut is to the rotation.

The utility model limits the upward movement of the connecting nut through the first and second anti-dismantling structures, and after the connector body is connected with the valve, the connector body can not move upwards because the valve can not move upwards under the limitation of a gas pipeline fixed on a wall body; on the basis that the connector body cannot move upwards, when the connecting nut is limited by the first anti-dismounting structure and the second anti-dismounting structure, the connecting nut cannot move upwards, the connecting nut cannot rotate the gas meter firstly, and the non-dismounting between the connecting nut and the gas meter can be realized in the mode; this mode has simplified overall structure, need not to prevent tearing open the cover and does spacingly, has reduced the cost that the table connects, only need adjust first, the second prevent tearing open the structure spacing each other moreover can, this process is easily operated, labour saving and time saving.

Preferably, the first anti-disassembly structure is a groove arranged on the joint body, and the second anti-disassembly structure is an anti-disassembly rod in limit fit with the inner wall of the groove; establish to the recess through preventing tearing open the structure first, the second prevents tearing open the structure and establishes to preventing tearing open the pole, prevents tearing open spacing each other between the tip of pole and the inner wall of recess and can realize preventing tearing open the effect, and this setting makes the simple structure that whole table connects, convenient operation, and the pole is prevented tearing open to its accessible dismantlement and is dismantled coupling nut, consequently when gas company's people maintained, and it can reuse, has reduced the waste.

Preferably, the connecting nut is provided with a through groove for the anti-dismounting rod to penetrate through, one end of the anti-dismounting rod is positioned in the groove, and the other end of the anti-dismounting rod is positioned in the through groove; the one end of preventing tearing open the pole is established in the middle of leading to the groove, and it can avoid the people to adopt the pliers to rotate prevents tearing open the pole, and it has improved the effect of preventing tearing open between coupling nut and the gas table.

Preferably, the connecting nut is provided with a connecting convex part, and the through groove is formed on the connecting convex part; the connecting convex part is arranged, so that the anti-dismantling rod and the connecting nut can be conveniently connected, the thickness of the connecting nut does not need to be thickened, the material of the connecting nut can be saved, and the cost of the meter connector is reduced.

Preferably, a key for rotating the tamper bar is further included.

Preferably, the joint body is matched with the connecting nut through an anti-falling structure; can ensure through anti-disengaging structure that coupling nut and joint body after the connection stability is high.

Preferably, the inner wall of the medium channel is provided with a reinforcing part for thickening the side wall of the groove; can improve the thickness of recess lateral wall through setting up the rib, consequently after having seted up the recess on connecting the body, whole intensity that connects the body obtains the guarantee, guarantees the security in the life and the use of connecting the body.

Preferably, the anti-disengaging structure comprises a protruding part arranged on the connecting nut and a protruding part in limit fit with the protruding part, and the protruding part is arranged on the joint body; the protruding part and the protruding part which are arranged are mutually limited, the connection nut cannot be separated from the connector body due to the limitation, and the stability of the connection nut after connection is finished is improved.

Preferably, a sealing gasket is arranged at the lower part of the joint body; through setting up seal ring, it can realize sealed after coupling nut and gas table link to each other, and this sealed effectual avoids the gas to leak.

Preferably, the lower part of the joint body is provided with a connecting part for the sealing gasket to be sleeved in; a convex part used for limiting the sealing washer is arranged at the end part of the connecting part; the connecting part can be conveniently sleeved with the sealing washer, so that the sealing washer is positioned, and the side wall of the connecting part and the inner wall of the sealing washer can ensure that the sealing washer cannot fall off through friction force; a convex part used for limiting the sealing washer is arranged at the end part of the connecting part; the convex part can limit the sealing washer, and the sealing washer can not be easily disengaged.

To sum up, the utility model discloses a first, second are prevented tearing open the structure and are restricted coupling nut and move upwards, and the structure that the table connects has been simplified to this mode, has reduced the cost that the table connects to convenient operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the joint body of the present invention.

Fig. 3 is a cross-sectional view of the joint body of the present invention.

Fig. 4 is a schematic structural view of the connection nut of the present invention.

Fig. 5 is a cross-sectional view of the coupling nut of the present invention.

Fig. 6 is a schematic structural view of the key of the present invention.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.

As shown in fig. 1 to 6, a meter connector comprises a connector body 1 and a connecting nut 2, wherein the connector body 1 is a tubular copper metal with a medium flow passage 10, and the medium flow passage 10 is a through cavity for passing gas; the connecting nut 2 is a nut made of copper metal, the connecting nut 2 can be sleeved on the connecting body 1, and the connecting nut 2 can rotate on the joint body 1; meanwhile, the connecting nut 2 and the connecting body 1 are in anti-drop fit through an anti-drop structure; specifically, a circle of annular convex parts 14 are arranged at the lower part of the joint body 1, a circle of convex parts 24 are arranged on the connecting nut 2, and after the connecting nut 2 is sleeved on the joint body 1, the convex parts 24 and the convex parts 14 are limited mutually, so that the connecting nut 2 cannot be disengaged when the connecting nut 2 is sleeved on the joint body 1; the lower part of the joint body 1 can be connected with a gas meter through the connecting nut 2; meanwhile, the upper part of the joint body 1 is provided with a thread part 19, the thread part 19 is a section of the joint body 1 with an external thread, and the thread part 19 can be in threaded connection with the inner wall of the ball valve, so that the joint body 1 is connected with the ball valve.

In order to realize the anti-disassembly matching between the connecting nut 2 and the joint body 1, a first anti-disassembly structure is arranged on the joint body 1, a second anti-disassembly structure is arranged on the connecting nut 2, and the first anti-disassembly structure and the second anti-disassembly structure are limited mutually, so that the upward movement of the connecting nut 2 relative to the joint body 1 is limited; specifically, the first anti-disassembly structure is a groove 11 positioned above a boss 14, and the second anti-disassembly structure is an anti-disassembly rod 21 partially inserted into the groove 11; the groove 11 is a circle of concave ring formed on the joint body 1, and the groove depth of the groove 11 is 4mm, and the groove width is 4.5 mm; the anti-disassembly rod 21 is a metal bolt, the diameter of the section of the anti-disassembly rod 21 is 4mm, the length of the anti-disassembly rod is 8mm, one end of the anti-disassembly rod 21 is provided with a rotation stopping convex part in a special shape, and the specific shape of the rotation stopping convex part can be designed according to needs and is not limited specifically herein; when the anti-disassembly rod 21 needs to be disassembled, the key 29 is required to be sleeved into the rotation stopping convex part, and then the anti-disassembly rod 21 is driven to rotate by rotating the key 29, so that the anti-disassembly rod is disassembled; when the anti-disassembly rod 21 is installed, the anti-disassembly rod 21 is in threaded connection with the connecting nut 2; specifically, a connecting convex part 23 is arranged on the connecting nut 2, the connecting convex part 23 is a convex part integrally formed with the connecting nut 2, a through groove 22 is formed on the connecting convex part 23, the through groove 22 is a large through hole and a small through hole which are communicated together, and an internal thread is arranged on the inner wall of the small through hole; the anti-disassembly rod 21 is in threaded connection with the inner wall of the through groove 22, one end of the anti-disassembly rod 21 penetrates out of the through groove 22 and is located in the groove 11, and the other end of the anti-disassembly rod 21 is completely located in the through groove 22.

After the anti-dismantling rod 21 is positioned in the groove 11, the connecting nut 2 can still rotate on the joint body 1; after the connecting nut 2 is connected with the gas meter and the connector body 1 is connected with a valve connected to a gas pipeline; the joint body 1 is fixed without automatic upward movement; when the connecting nut 2 is required to be rotated anticlockwise to disassemble the connecting nut 2, the connecting nut 2 needs to move upwards relative to the connector body 1 under the thrust of the connecting nut 2 on the threads of the gas meter, at the moment, the anti-disassembly rod 21 arranged on the connecting nut 2 and the connecting nut 2 synchronously move upwards, and the anti-disassembly rod 21 can abut against the inner wall of the upper part of the groove 11 and limit the upward movement of the connecting nut, so that the connecting nut 2 cannot rotate or can only rotate for a short distance, and the anti-disassembly effect between the connecting nut 2 and the gas meter is realized; when the anti-disassembly rod needs to be disassembled, the anti-disassembly rod is rotated through a special key, so that the anti-disassembly rod is completely outside the groove, and the connecting nut can move upwards.

Since the groove 11 is directly formed on the joint body 1, in order to ensure the overall strength of the joint body 1, a reinforcing part 101 is provided on the inner wall of the medium flow passage 10, the reinforcing part 101 is a ring of convex rings, and the reinforcing part 101 corresponds to the side wall of the groove, so that the reinforcing part 101 substantially thickens the side wall of the groove to improve the strength of the joint body.

Further, a connecting part 15 is arranged on the lower part of the joint body 1, the thickness of the connecting part 15 is smaller than that of the joint body 1, a sealing gasket 17 is sleeved on the connecting part 15, the sealing gasket 17 is a rubber ring, a convex part 151 used for limiting the sealing gasket 17 is arranged on the end part of the joint body 1, and the convex part 151 can be obtained by directly folding the end part of the connecting part 15; through the setting of seal ring 17, can ensure to connect body 1 and lie in the gas table and link to each other after, the leakproofness between joint body 1 and the gas table is good.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Claims

1. A watch connection, characterized by: comprises that

A joint body (1) having a medium passage (10);

the connecting nut (2) is rotatably arranged on the joint body (1);

the first anti-disassembly structure is arranged on the joint body (1);

and the second anti-disassembly structure is arranged on the connecting nut (2), and the second anti-disassembly structure is in limit fit with the first anti-disassembly structure so as to limit the rotation of the connecting nut (2).

2. A watch connection according to claim 1, wherein: the first anti-dismantling structure is a groove (11) arranged on the joint body (1), and the second anti-dismantling structure is an anti-dismantling rod (21) in spacing fit with the inner wall of the groove (11).

3. A watch connection according to claim 2, wherein: the connecting nut (2) is provided with a through groove (22) for the anti-dismantling rod (21) to penetrate, one end of the anti-dismantling rod (21) is positioned in the groove (11), and the other end of the anti-dismantling rod is positioned in the through groove (22).

4. A watch connection according to claim 3, characterised in that: the connecting nut (2) is provided with a connecting convex part (23), and the through groove (22) is formed in the connecting convex part (23).

5. A watch connection according to claim 2, wherein: and a key (29) for rotating the tamper bar (21).

6. A watch connection according to claim 1, wherein: the joint body (1) is matched with the connecting nut (2) through an anti-falling structure.

7. A watch connection according to claim 2, wherein: and a reinforcing part (101) for thickening the side wall of the groove (11) is arranged on the inner wall of the medium channel (10).

8. A watch connection according to claim 6, characterised in that: anti-disengaging structure including locate bulge (24) on coupling nut (2) and with bulge (14) of the spacing complex of bulge (24), bulge (14) are located connect on the body (1).

9. A watch connection according to claim 2, wherein: and a sealing gasket (17) is arranged at the lower part of the joint body (1).

10. A watch connection according to claim 9, wherein: the lower part of the joint body (1) is provided with a connecting part (15) for the sealing washer (17) to be sleeved in; and a convex part (151) used for limiting the sealing washer (17) is arranged on the end part of the connecting part (15).