CN216479428U

CN216479428U - Connecting device for gas meter and gas pipeline

Info

Publication number: CN216479428U
Application number: CN202123296365.8U
Authority: CN
Inventors: 周志鹏
Original assignee: Shandong Shancheng Gas Equipment Co ltd
Current assignee: Shandong Shancheng Gas Equipment Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-10
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a gas table and gas pipeline's connecting device, including installation pipe and sealed piece, be provided with solid fixed ring in the installation pipe, gu be provided with the registration arm on the fixed ring, the registration arm is awl type pipe, has seted up the mounting groove on installation pipe lateral wall, the mounting groove internal rotation is provided with the dead lever, fixes on the dead lever and sets up spacing arch, is provided with through-hole and spread groove on the sealed piece, the through-hole runs through sealed piece, the spread groove sets up on the lateral wall of sealed piece along the axis direction of through-hole, the dead lever can get into in the spread groove after rotating. The taper setting through registration arm and connecting pipe junction can realize being connected to multiple size pipeline, makes sealed piece extrude through spacing arch and spacing recess cooperation, carries out twice to the junction and seals, and the security is better, fastens the dead lever through fastening nut and prescribes a limit to, can prevent not hard up, has wholly solved the not hard up problem of connection structure when increasing the leakproofness, has improved the security and the result of use of gas table.

Description

Connecting device for gas meter and gas pipeline

Technical Field

The utility model belongs to the technical field of the gas equipment installation, especially, relate to a gas table and gas pipeline's connecting device.

Background

The gas combustion construction and development is one of important measures for improving the living standard and quality of people in cities, fuel for daily cooking of people is converted from conventional energy sources such as firewood, coal and the like with serious resource waste and serious pollution into gas, the gas delivery is a pipeline system which can not be separated, the gas can be delivered into thousands of households through the pipeline system, and is connected with a gas meter to automatically accumulate used gas, so that a user can conveniently know the quantity of the used gas, the pipeline system can not be connected with a connecting piece, the connecting pieces of the gas meter are different due to different specifications of the gas meter, the interfaces of different connecting pieces are poor in compatibility with gas pipelines with different sizes, the pipelines with different sizes are required to be connected, and the gas meter is inconvenient to install, and the height difference between the gas pipeline interface and the gas meter interface is different due to different installation places of the gas meter, the traditional connecting piece is directly connected with a gas meter and a gas pipeline through threads, the sealing performance is poor, and the gas leakage accident can be caused, so that a connecting device for the gas meter and the gas pipeline is needed to be designed, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a gas table and gas pipeline's connecting device.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a connecting device of a gas meter and a gas pipeline comprises an installation pipe and a sealing block, wherein a fixing ring is arranged in the installation pipe, a positioning pipe is arranged on the fixing ring, the positioning pipe is a conical pipe, a mounting groove is formed in the side wall of the installation pipe, a fixing rod is rotationally arranged in the mounting groove, a limiting bulge is fixedly arranged on the fixing rod, a through hole and a connecting groove are formed in the sealing block, the through hole penetrates through the sealing block, the connecting groove is formed in the side wall of the sealing block along the axial direction of the through hole, the fixing rod can enter the connecting groove after being rotated, a connecting pipe is fixedly arranged at one end of the sealing block, a conical interface is arranged on the inner side of one end of the connecting pipe, the connecting pipe is coaxial with the through hole, and the conical interface of the connecting pipe can be sleeved on the positioning pipe after the connecting pipe is inserted into the installation pipe, the outer wall of the connecting pipe is provided with a limiting groove, and the limiting groove is matched with the limiting protrusion.

Preferably, the sealing block is further sleeved with a fastening nut, and the sealing block is in matching connection with the fastening nut through threads.

Preferably, the fixing rod is rotatably arranged in the mounting groove through a rotating shaft.

Preferably, the fixing ring is provided with a sealing ring, the sealing ring is sleeved on the outer side of the positioning pipe, and the sealing ring is made of rubber.

Preferably, the number of the mounting grooves is at least two, the two mounting grooves are symmetrically arranged, and the positions of the connecting grooves correspond to the mounting grooves.

Preferably, the limiting groove surrounds the outer wall of the connecting pipe for a circle.

Preferably, the outer wall of the fastening nut is provided with anti-slip threads.

Preferably, a chamfer is arranged at the free end of the fixing rod, and a groove is arranged on the fastening nut.

The utility model has the advantages and positive effects that:

the utility model discloses a set up the connecting pipe and the registration arm into the connection that the toper can adapt to multiple size hose, cooperation drive connecting pipe through spacing arch and spacing recess removes, make the toper face extrude each other and seal up the pipeline, traditional threaded connection mode has been replaced, sealed effect has been promoted, through fastening nut, sealed piece, the cooperation of spread groove and dead lever has accomplished the fixed to seal structure, chamfer on groove on fastening nut and the dead lever is convenient for fastening nut and fastens the injecing to the dead lever, the not hard up problem of traditional connection structure has been solved when this device has increased the leakproofness, the security and the result of use of gas table have been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a perspective view of the mounting tube shaft of the present invention;

fig. 2 is a schematic view of the internal structure of the installation pipe of the present invention;

fig. 3 is an isometric view of a seal block of the present invention;

FIG. 4 is a cross-sectional structural view of the sealing block of the present invention;

fig. 5 is an isometric view of a fastening nut of the present invention;

FIG. 6 is a cross-sectional structural view of the fastening nut of the present invention;

fig. 7 is an isometric view of the utility model after the connection is completed;

fig. 8 is a schematic diagram of the internal structure after the connection of the present invention is completed.

The reference numerals are explained below:

1. installing a pipe; 2. mounting grooves; 3. fixing the rod; 4. a limiting bulge; 5. a positioning tube; 6. a sealing block; 7. a through hole; 8. a limiting groove; 9. connecting grooves; 10. fastening a nut; 11. a seal ring; 12. a fixing ring; 13. a connecting pipe; 14. a rotating shaft; 15. chamfering; 16. beveling; 17. and (4) anti-skid lines.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in fig. 1-8, a connecting device for a gas meter and a gas pipeline comprises an installation tube 1 and a sealing block 6, a fixing ring 12 is arranged in the installation tube 1, a positioning tube 5 is arranged on the fixing ring 12, the positioning tube 5 is a tapered tube, an installation groove 2 is arranged on the side wall of the installation tube 1, a fixing rod 3 is rotatably arranged in the installation groove 2, a limiting protrusion 4 is fixedly arranged on the fixing rod 3, a through hole 7 and a connecting groove 9 are arranged on the sealing block 6, the through hole 7 penetrates through the sealing block 6, the connecting groove 9 is arranged on the side wall of the sealing block 6 along the axial direction of the through hole 7, the fixing rod 3 can enter the connecting groove 9 after rotating, a connecting tube 13 is also fixedly arranged at one end of the sealing block 6, a tapered interface is arranged at the inner side of one end of the connecting tube 13, the connecting tube 13 is coaxial with the through hole 7, the tapered interface of the connecting tube 13 can be sleeved on the positioning tube 5 after the connecting tube 13 is inserted into the installation tube 1, the outer wall of connecting pipe 13 is provided with spacing recess 8, and spacing recess 8 mutually supports with spacing arch 4.

Preferably, still the suit is connected with fastening nut 10 on sealed piece 6, sealed piece 6 passes through screw thread and fastening nut 10 accordant connection, dead lever 3 rotates through pivot 14 and sets up in mounting groove 2, be provided with sealing washer 11 on solid fixed ring 12, sealing washer 11 suit is in the 5 outsides of registration arm, the material of sealing washer 11 is rubber, the quantity of mounting groove 2 is at least two, and two mounting groove 2 symmetries set up, the position and the mounting groove 2 of spread groove 9 are corresponding, spacing recess 8 encircles 13 outer wall a week of connecting pipe, be provided with anti-skidding line 17 on fastening nut 10's outer wall, the free end of dead lever 3 sets up chamfer 15, be provided with groove 16 on fastening nut 10.

The working process of the embodiment: when the device is used, an installer firstly installs an installation pipe 1 on an input port of a gas meter, then sleeves a fastening nut 10 outside the gas pipe, penetrates the gas pipe through a through hole 7 on a sealing block 6, sleeves the end part of the gas pipe on a positioning pipe 5, because the positioning pipe 5 is a conical pipe, the end part of the positioning pipe 5 can be inserted into the gas pipe with a plurality of similar sizes, pushes the sealing block 6 after the positioning pipe 5 is inserted into the gas pipe, inserts a connecting pipe 13 on the sealing block 6 into the installation pipe 1, ensures that the connecting pipe 13 is sleeved outside the positioning pipe 5, then the installer rotates a fixing rod 3, the fixing rod 3 can drive a limiting protrusion 4 to move and rotate in the rotating process, the limiting protrusion 4 can be clamped into a limiting groove 8 on the connecting pipe 13 after rotating, and then the limiting protrusion 4 can continuously push the connecting pipe 13 downwards through the limiting groove 8 to move under the continuous rotation of the installer, the tapered interface of the connecting pipe 13 and the positioning pipe 5 are used for extruding the gas pipe to complete primary sealing, the end part of the connecting pipe 13 is also contacted with the sealing ring 11 when the connecting pipe 13 extrudes the gas pipe guide, the sealing ring 11 is extruded in the process of gradually moving downwards to complete secondary sealing, the fixing rod 3 enters the connecting groove 9 on the sealing block 6 under the pushing of an installer in the secondary process, the fastening nut 10 is screwed on the sealing block 6 through threads after the fixing rod 3 enters the connecting groove 9, the fixing rod 3 is stressed again by the matching of the bevel 16 and the chamfer 15, the limitation on the fixing rod 3 is also completed, the connection between the gas pipe and the gas meter is completed after the fastening nut 10 is screwed, the tapered positioning pipe 5 and the tapered end of the connecting pipe 13 have high overall compatibility, and the installation process can be completed without using tools, the operation is simple and convenient.

Although an embodiment of the present invention has been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a gas table and gas pipeline's connecting device which characterized in that: the mounting pipe comprises a mounting pipe (1) and a sealing block (6), wherein a fixing ring (12) is arranged in the mounting pipe (1), a positioning pipe (5) is arranged on the fixing ring (12), the positioning pipe (5) is a conical pipe, a mounting groove (2) is formed in the side wall of the mounting pipe (1), a fixing rod (3) is rotationally arranged in the mounting groove (2), a limiting bulge (4) is fixedly arranged on the fixing rod (3), a through hole (7) and a connecting groove (9) are arranged on the sealing block (6), the through hole (7) penetrates through the sealing block (6), the connecting groove (9) is arranged on the side wall of the sealing block (6) along the axial direction of the through hole (7), the fixing rod (3) can enter the connecting groove (9) after rotating, and a connecting pipe (13) is fixedly arranged at one end of the sealing block (6), the one end inboard of connecting pipe (13) sets up the toper interface, just connecting pipe (13) with through-hole (7) are coaxial connecting pipe (13) insert installation pipe (1) back the toper interface of connecting pipe (13) can overlap on registration arm (5), the outer wall of connecting pipe (13) is provided with spacing recess (8), spacing recess (8) with spacing arch (4) are mutually supported.

2. The device for connecting a gas meter with a gas pipeline according to claim 1, wherein: and the sealing block (6) is also sleeved and connected with a fastening nut (10), and the sealing block (6) is in matching connection with the fastening nut (10) through threads.

3. The device for connecting a gas meter with a gas pipeline according to claim 1, wherein: the fixing rod (3) is rotatably arranged in the mounting groove (2) through a rotating shaft (14).

4. The device for connecting a gas meter with a gas pipeline according to claim 1, wherein: the sealing ring (11) is arranged on the fixing ring (12), the sealing ring (11) is sleeved on the outer side of the positioning tube (5), and the sealing ring (11) is made of rubber.

5. The device for connecting a gas meter with a gas pipeline according to claim 1, wherein: the number of the mounting grooves (2) is at least two, the mounting grooves (2) are symmetrically arranged, and the positions of the connecting grooves (9) correspond to the mounting grooves (2).

6. The device for connecting a gas meter with a gas pipeline according to claim 1, wherein: the limiting groove (8) surrounds the outer wall of the connecting pipe (13) for a circle.

7. The device for connecting a gas meter with a gas pipeline according to claim 2, wherein: the outer wall of the fastening nut (10) is provided with anti-skid grains (17).

8. The device for connecting a gas meter with a gas pipeline according to claim 2, wherein: the free end of the fixing rod (3) is provided with a chamfer (15), and the fastening nut (10) is provided with a groove (16).