CN218152453U

CN218152453U - Rubber tube gas ball valve

Info

Publication number: CN218152453U
Application number: CN202222228795.4U
Authority: CN
Inventors: 季滔
Original assignee: NINGBO YONGXIANG COPPER PIPELINE CO Ltd
Current assignee: NINGBO YONGXIANG COPPER PIPELINE CO Ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-12-27
Anticipated expiration: 2032-08-23

Abstract

The utility model relates to a rubber tube gas ball valve, which comprises a valve body, a connector and a valve core, wherein the left end of the valve body is provided with a connecting tube body which is sleeved with a rubber tube and is in a stepped tubular type, and the connecting tube body is communicated with the inner cavity of the valve body; a connecting port is formed at the right end of the valve body, and the connecting port is connected with the connecting head in a threaded connection mode; the valve core is arranged in the inner cavity of the valve body through the connecting port, the upper end of the valve body is provided with an installation port, a handle assembly is arranged through the installation port, the handle assembly is fixed with the valve core, and the opening and closing state between the valve core and the valve body is realized through the pulling of the handle assembly; the utility model has the advantages that: compared with the prior art, the valve core is placed in the inner cavity of the valve body through the connecting port formed in the right end of the valve body and is propped against the connecting head, so that the assembly is more convenient, and the sealing performance is better; meanwhile, the left end of the valve body is provided with the connecting pipe body, and the rubber pipe is connected with the connecting pipe body, so that the sealing performance is better, and the connection is more convenient.

Description

Rubber tube gas ball valve

Technical Field

The utility model belongs to the technical field of the ball valve, especially, relate to a rubber tube gas ball valve.

Background

With the development of urbanization, the popularity of household natural gas is higher and higher. The rubber tube gas ball valve plays an important role in the whole gas pipeline, can ensure good sealing performance, prevent pipeline gas leakage, and can play roles of connection, cutting off and the like. The ball body of most of the existing rubber tube gas ball valves is basically installed from the upper part of the valve body, so that the assembly is inconvenient, and the sealing performance is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art existence, and provide a rubber tube gas ball valve that convenient assembling, sealing performance are good.

The utility model aims to solve the problems that the rubber tube gas ball valve comprises a valve body, a connector and a valve core, wherein the left end of the valve body is provided with a connecting tube body which is sleeved with a rubber tube and is in a stepped tubular form, and the connecting tube body is communicated with the inner cavity of the valve body; a connecting port is formed in the right end of the valve body, and the connecting port is connected with the connecting head in a threaded connection mode; the valve core is installed in the inner cavity of the valve body through the connecting port, the upper end of the valve body is provided with an installation port, a handle assembly is installed through the installation port, the handle assembly is fixed with the valve core, and the opening and closing state between the valve core and the valve body is achieved through pulling of the handle assembly.

The utility model has the advantages that: compared with the prior art, the valve core is placed in the inner cavity of the valve body through the connecting port formed in the right end of the valve body and is propped against the connecting head, so that the assembly is more convenient, and the sealing performance is better; meanwhile, the left end of the valve body is provided with the connecting pipe body, and the rubber pipe is connected with the connecting pipe body, so that the sealing performance is better, and the connection is more convenient.

Preferably, at least two circles of circular arc protrusions are arranged on the outer circumferential wall of the connecting pipe body, the adjacent circular arc protrusions are connected end to end, a circle of inclined protrusion is arranged on the outer circumferential wall located at the head end of the connecting pipe body, a circle of stepped surface used for abutting against a rubber pipe is arranged on the outer circumferential wall located at the tail end of the connecting pipe body, a circle of first groove is arranged between the stepped surface and the circular arc protrusions, and the first groove and the circular arc protrusions are formed through inclined surface transition; through the structure setting of above-mentioned connecting tube body, the grafting of not only being convenient for rubber tube and connecting tube body still is favorable to improving moreover sealing performance.

Preferably, the inner wall of the connecting port is provided with an internal thread, one end of the connecting head matched with the internal thread is provided with an external thread, and the other end of the connecting head is provided with an internal thread connected with a gas pipeline; the disassembly and the assembly between the connector and the valve body are convenient, and the disassembly and the assembly of the connector and a gas pipeline are also convenient.

Preferably, a circle of first placing groove is formed in the end face, located at the external thread end, of the connecting head, and a first sealing ring is placed in the first placing groove; a circle of second placing groove is formed in the inner wall of the valve body, which is positioned at the end of the connecting pipe body, a second sealing ring is placed in the second placing groove, and the first sealing ring and the second sealing ring are abutted to the valve core; through setting up the sealing washer, make the sealed effect between case and connector and the valve body better like this.

Preferably, the middle part of the valve core is provided with a vent hole communicated with the connecting pipe body and the connector, and end angle surfaces of the upper end and the lower end of the valve core are both cambered surfaces; the ventilation of the whole gas ball valve can be realized by arranging the vent hole, the valve core is provided with the cambered surface, so that the movement between the valve core and the two sealing rings is smoother, and the service life of the sealing rings is greatly prolonged.

Preferably, the handle assembly comprises a rotating pin body and a handle, the rotating pin body is located in the installation opening, an embedded block is arranged at one end of the rotating pin body, an embedded groove is formed in the valve core matched with the embedded block, and the embedded block is embedded in the embedded groove and fixed; the other end of the rotating pin body is provided with a threaded shaft, and the handle is sleeved on the threaded shaft and fixed through a locking nut; therefore, the handle assembly is more convenient to disassemble and assemble, and the stability of the rotary pin body in the rotating process is better.

Preferably, at least two rings of second grooves for installing O-shaped sealing rings are formed in the outer peripheral wall of the rotary pin body; therefore, the sealing performance between the rotary pin body and the mounting opening of the valve body is better.

Drawings

Fig. 1 is the structural schematic diagram of the rubber tube gas ball valve opening structure of the utility model.

Fig. 2 is the schematic view of the closing structure of the rubber tube gas ball valve of the present invention.

The reference numbers in the drawings are respectively: 1. a valve body; 2. a connector; 3. a valve core; 4. connecting the pipe body; 5. a handle assembly; 7. a first seal ring; 8. a second seal ring; 9. an O-shaped sealing ring; 11. an inner cavity; 12. a connection port; 13. an installation port; 14. a second placing groove; 21. a first placing groove; 31. a vent hole; 32. an end corner face; 33. caulking grooves; 41. a circular arc bulge; 42. an oblique bulge; 43. a step surface; 44. a first groove; 45. a bevel; 51. a rotation pin body; 52. a handle; 53. an insert block; 54. a threaded shaft; 55. locking the nut; 56. a second groove.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings: as shown in attached figures 1 and 2, the utility model comprises a valve body 1, a connector 2 and a valve core 3, wherein the left end of the valve body 1 is provided with a connecting pipe body 4 which is sleeved with a rubber pipe and is in a ladder tubular form, and the connecting pipe body 4 is communicated with an inner cavity 11 of the valve body 1; a connecting port 12 is formed at the right end of the valve body 1, and the connecting port 12 is connected with the connecting head 2 in a threaded connection mode; the valve core 3 is arranged in an inner cavity 11 of the valve body 1 through a connecting port 12, the upper end of the valve body 1 is provided with an installation port 13, a handle component 5 is arranged through the installation port 13, the handle component 5 is fixed with the valve core 3, and the opening and closing state between the valve core 3 and the valve body 1 is realized through the pulling of the handle component 5.

Two circles of circular arc bulges 41 are arranged on the outer circumferential wall of the connecting pipe body 4, the two circles of circular arc bulges 41 are connected end to end, a circle of inclined bulges 42 are arranged on the outer circumferential wall at the head end of the connecting pipe body 4, a circle of step surfaces 43 used for abutting against rubber pipes are arranged on the outer circumferential wall at the tail end of the connecting pipe body 4, a circle of first grooves 44 are arranged between the step surfaces 43 and the circular arc bulges 41, and the first grooves 44 and the circular arc bulges 41 are formed in a transition mode through inclined surfaces 45; after the connecting pipe body 4 is sleeved with the rubber pipe and fixed by the clamp, part of the inner wall of the rubber pipe is embedded into the first groove 44, and the sealing effect is better.

The inner wall of the connecting port 12 is provided with internal threads, one end of the connector 2 matched with the internal threads is provided with external threads, and the other end of the connector 2 is provided with internal threads connected with a gas pipeline; a circle of first placing groove 21 is formed in the end face, located at the external thread end, of the connecting head 2, and a first sealing ring 7 is placed in the first placing groove 21; a circle of second placing groove 14 is formed in the inner wall of the valve body 1 positioned at the end of the connecting pipe body, a second sealing ring 8 is placed in the second placing groove 14, and the first sealing ring 7 and the second sealing ring 8 are abutted to the outer wall of the valve core 3; the middle part of the valve core 3 is provided with a vent hole 31 communicated with the connecting pipe body 4 and the connector 2, and end angle surfaces 32 at the upper end and the lower end of the valve core 3 are both cambered surfaces; the first sealing ring 7 and the second sealing ring 8 are both bowl-shaped sealing rings; this only allows gas to flow into the connecting tube body 4 through the connecting head 2 via the vent hole 31.

The handle assembly 5 comprises a rotary pin body 51 and a handle 52, the rotary pin body 51 is positioned in the mounting opening 13, an embedded block 53 is arranged at one end of the rotary pin body 51, an embedded groove 33 is arranged on the valve core 3 matched with the embedded block 53, and the embedded block 53 is embedded in the embedded groove 33 and fixed; the other end of the rotating pin body 51 is provided with a threaded shaft 54, and the handle 52 is sleeved on the threaded shaft 54 and fixed through a locking nut 55; at least two rings of second grooves 56 for installing the O-shaped sealing rings 9 are arranged on the outer peripheral wall of the rotary pin body 51.

The utility model discloses a theory of operation does: when the handle 52 is pulled clockwise by 90 degrees, at the moment, the vent hole 31 of the valve core 3 is communicated with the connecting pipe body 4 and the connector 2, and the rubber pipe gas ball valve is in an open state; when the handle 52 is pulled by 90 degrees counterclockwise, namely reset, at this time, the vent hole 31 of the valve core 3 is not communicated with the connecting pipe body 4 and the connector 2, and the vent hole 31 of the valve core 3 faces the inner cavity wall of the valve body 1; the rubber tube gas ball valve is in a closed state.

The utility model discloses not be limited to above-mentioned embodiment, no matter make any change on its shape or material constitution, all adopt the utility model provides a structural design all is the utility model discloses a warp, all should consider to be in within the protection scope of the utility model.

Claims

1. The utility model provides a rubber tube gas ball valve, includes valve body (1), connector (2) and case (3), its characterized in that: the left end of the valve body (1) is provided with a connecting pipe body (4) which is used for being sleeved with a rubber pipe and is in a stepped tubular shape, and the connecting pipe body (4) is communicated with an inner cavity (11) of the valve body (1); a connecting port (12) is formed in the right end of the valve body (1), and the connecting port (12) is connected with the connecting head (2) in a threaded connection mode; the valve core (3) is installed in an inner cavity (11) of the valve body (1) through the connecting port (12), an installation port (13) is formed in the upper end of the valve body (1), a handle assembly (5) is installed through the installation port (13), the handle assembly (5) is fixed with the valve core (3), and the valve core (3) and the valve body (1) are opened and closed through pulling of the handle assembly (5).

2. The hose gas ball valve of claim 1, wherein: be equipped with two at least rings of circular arcs on the outer circumferential wall of connecting tube body (4) protruding (41), and adjacent end to end connection between the circular arc arch (41) is located be equipped with the protruding (42) of a circle slant on the outer circumferential wall of the head end of connecting tube body (4), be located be equipped with the round on the outer circumferential wall of the end of connecting tube body (4) and be equipped with step face (43) that are used for the rubber tube to support and lean on step face (43) with be equipped with round first recess (44) between the circular arc arch (41), just first recess (44) with through inclined plane (45) transitional forming between the circular arc arch (41).

3. The hose gas ball valve of claim 1, wherein: the inner wall of connector (12) is equipped with the internal thread, with internal thread looks adaptation the one end of connector (2) is equipped with the external screw thread, the other end of connector (2) is equipped with the internal thread that is connected with the gas pipeline.

4. The hose gas ball valve of claim 3, wherein: a circle of first placing groove (21) is formed in the end face, located at the external thread end, of the connecting head (2), and a first sealing ring (7) is placed in the first placing groove (21); the inner wall of the valve body (1) at the end of the connecting pipe body is provided with a circle of second placing groove (14), a second sealing ring (8) is placed in the second placing groove (14), and the first sealing ring (7) and the second sealing ring (8) are abutted to the valve core (3).

5. The rubber hose gas ball valve of claim 4, wherein: the middle part of the valve core (3) is provided with a vent hole (31) which is communicated with the connecting pipe body (4) and the connector (2), and end angle surfaces (32) at the upper end and the lower end of the valve core (3) are both cambered surfaces.

6. The rubber hose gas ball valve of claim 1, wherein: the handle assembly (5) comprises a rotary pin body (51) and a handle (52), the rotary pin body (51) is located in the mounting opening (13), an embedded block (53) is arranged at one end of the rotary pin body (51), an embedded groove (33) is formed in the valve core (3) matched with the embedded block (53), and the embedded block (53) is embedded in the embedded groove (33) and fixed; the other end of the rotary pin body (51) is provided with a threaded shaft (54), and the handle (52) is sleeved on the threaded shaft (54) and fixed through a locking nut (55).

7. The rubber hose gas ball valve of claim 6, wherein: and at least two rings of second grooves (56) for mounting the O-shaped sealing rings (9) are formed in the peripheral wall of the rotary pin body (51).