CN209802436U - Leather membrane disc device of gas meter - Google Patents
Leather membrane disc device of gas meter Download PDFInfo
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- CN209802436U CN209802436U CN201920290096.8U CN201920290096U CN209802436U CN 209802436 U CN209802436 U CN 209802436U CN 201920290096 U CN201920290096 U CN 201920290096U CN 209802436 U CN209802436 U CN 209802436U
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- chuck
- gas meter
- disc
- fixedly connected
- leather
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Abstract
The utility model discloses a membrane disc device of a gas meter, which relates to the technical field of the membrane disc of the gas meter, and comprises a membrane disc, a membrane, a buckle and a support, the outer edge of the upper end of the membrane disc is provided with a clamping groove which is of an annular structure, the clamping groove and the membrane disc are of an integral structure, the bottom of the leather diaphragm is fixedly connected with a bayonet, a second chuck is arranged between the leather diaphragm and the leather diaphragm disk, a first chuck is arranged above the leather membrane, the first chuck and the second chuck are both disc-shaped structures, the upper surface of the second chuck is fixedly connected with a convex round table, the lower end surface of the first chuck is provided with an inward concave round groove, the diameter of circular slot slightly is greater than the diameter of round platform, the one end of buckle is provided with the connector, the both ends fixedly connected with spliced pole of connector, the equal fixedly connected with barb in the outside of spliced pole. The utility model discloses when being applied to on the gas meter leakproofness better, life is longer.
Description
Technical Field
The utility model relates to a coal gas epidermis membrane dish technical field, in particular to coal gas meter involucra membrane dish device.
Background
The membrane disc device of the gas meter is mainly contacted with air, gas and iron, and no mutual reaction is generated after the membrane disc device is used, so that the membrane disc device is equivalent to a respirator, and the highest pressure is 10 kpa. Current involucra dish device simple structure, the involucra is pine easily takes off, uses the leakproofness relatively poor, often adopts single bolt construction to fasten among the involucra mounting structure of current moreover, and the tie point is in the middle part of involucra, and the atress is inhomogeneous, and it is not hard up easily after the live time, and the connecting portion of screw thread corrodes easily, causes the influence to seal structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas meter involucra membrane dish device.
The technical scheme of the utility model: a gas meter leather membrane disc device comprises a leather membrane disc, a leather membrane, a buckle and a support, wherein a clamping groove is arranged at the outer edge of the upper end of the leather membrane disc, the clamping groove is of a circular ring-shaped structure, the clamping groove and the leather membrane disc are of an integral structure, a bayonet is fixedly connected with the bottom of the leather membrane, a second chuck is arranged between the leather membrane and the leather membrane disc, a first chuck is arranged above the leather membrane, the first chuck and the second chuck are of a disc-shaped structure, the upper surface of the second chuck is fixedly connected with a convex round table, the lower end surface of the first chuck is provided with an inward round groove, the diameter of the round groove is slightly larger than that of the round table, one end of the buckle is provided with a connector, two ends of the connector are fixedly connected with connecting columns, barbs are fixedly connected with the outer sides of the connecting columns, hole grooves are formed, two limiting seats are symmetrically arranged on the inner side wall of the cavity.
In the above coal gas meter involucra disc device, the middle part of the connecting column is provided with the threaded pipe, the threaded pipe is sleeved with the fastening bolt, the fastening bolt is in threaded connection with the threaded pipe, and the outer diameter of the fastening bolt is larger than the through groove formed in the surface of the first chuck.
In the above leather diaphragm device for the gas meter, two connecting columns are provided, which are symmetrical to each other.
In the above coal gas meter diaphragm disk device, an annular spring is disposed on the periphery of the bayonet.
In the above gas meter diaphragm device, one end of the barb is bent downward, and the barb has an elastic structure.
Compared with the prior art, the utility model has the advantages of reasonable design, simple to operate adopts self-designed buckle and support to replace traditional single bolted connection, can increase the pretightning force and prevent not hard up, can not arouse junction material composition phase transition to the elastic component of buckle is interior knot formula to the one end of buckle is favorable to getting rid of involucra internal stress in the installation, prevents to take place to leak after the live time is long, and overall structure goes up the leakproofness better.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
Fig. 2 is a schematic view of the connection structure of the buckle of the present invention;
Fig. 3 is a schematic view of the buckle structure of the present invention.
In the figure: 1-a support; 2-a first chuck; 3-through groove; 4-a skin membrane; 6-an adjusting part; 7-bayonet; 8-a second chuck; 10-a circular truncated cone; 11-a ring spring; 12-a card slot; 13-a membrane disc; 14-a cavity; 15-buckling; 16-a limiting seat; 18-round groove; 19-wedge shaped strips; 20-connecting columns; 21-barb; 22-fastening bolt; 23-threaded pipe.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Example (b): a gas meter membrane disc device, as shown in fig. 1-3: comprises a membrane disc 13, a membrane 4, a buckle 15 and a support 1. The outer edge of the upper end of the leather diaphragm disc 13 is provided with a clamping groove 12, the clamping groove 12 is of a circular ring structure, and the clamping groove 12 and the leather diaphragm disc 13 are of an integrated structure.
The bottom of the leather diaphragm 4 is fixedly connected with a bayonet 7, the structure of the bayonet 7 is consistent with that of the clamping groove 12, the diameter of the bayonet 7 is slightly smaller than that of the clamping groove 12, and an annular spring 11 is arranged on the periphery of the bayonet 7. When the installation, at first cup joint bayonet 7 in draw-in groove 12, because the elasticity of involucra 4 self, bayonet 7 can tightly be attached in draw-in groove 12, simultaneously, cup joint annular spring 11 bayonet 7 outer fringe (annular spring 11 at this moment is in the contraction state) for further spacing and provide guard action.
A second chuck 8 is arranged between the leather diaphragm 4 and the leather diaphragm disc 13, a first chuck 2 is arranged above the leather diaphragm 4, the first chuck 2 and the second chuck 8 are both disc-shaped structures, wherein the outer convex circular table 10 is fixedly connected to the upper surface of the second chuck 8, an inner concave circular groove 18 is formed in the lower end face of the first chuck 2, and the diameter of the circular groove 18 is slightly larger than that of the circular table 10. The upper end face of the first chuck 2 and the bottom end face of the second chuck 8 are fixedly connected with two parallel wedge strips 19, the wedge strips 19 are located at the edge positions of the first chuck 2/the second chuck 8, the wedge strips 19 are of convex strip-shaped structures, and the positions of the wedge strips on the two chucks are staggered with each other (as shown in fig. 2).
The first chuck 2, the membrane 4 and the second chuck 8 are all provided with through grooves 3 (as shown in fig. 1).
The one end of buckle 15 is provided with the connector, and the outer fringe of connector is the arc structure, and the both ends fixedly connected with spliced pole 20 of connector, spliced pole 20 are provided with and use the connector central line as two of symmetry axis mutual symmetry, and the contained angle between spliced pole 20 and the symmetry axis is 15 degrees, and the equal fixedly connected with barb 21 in the outside of every spliced pole 20, and the one end of barb 21 is crooked downwards, and barb 21 is made for elastic material.
The middle part of the connecting column 20 is provided with a threaded pipe 23, the threaded pipe 23 is sleeved with a fastening bolt 22, the fastening bolt 22 is in threaded connection with the threaded pipe 23 (as shown in fig. 3), and the outer diameter of the fastening bolt 22 is larger than the through groove 3.
Two hole grooves (the hole grooves are consistent with the diameter of the through groove 3) are formed in the bottom of the support 1, a cavity 14 is arranged in the support 1, two limiting seats 16 are symmetrically arranged on the inner side wall of the cavity 14, and the outer side wall of each limiting seat 16 is of a convex and smooth arc-shaped structure (as shown in fig. 2).
When the clamping device is installed, the first chuck 2 and the second chuck 8 are respectively placed at the upper position and the lower position of the skin 4 and are located in the middle of the skin 4, then the first chuck 2 and the second chuck 8 are buckled together, the middle of the skin 4 is pressed between the two chucks (shown in fig. 2, A in the figure is the skin 4), finally the connecting column 20 of the buckle 15 is sequentially inserted into the through groove 3 from bottom to top and finally penetrates through the hole groove to enter the cavity 14 of the support 1, when the pushing continues, the barb 21 is pressed by the limiting seat 16 and is in an inward contraction state, when the barb 21 crosses the limiting column seat 16, the barb pops out and is clamped with the upper end of the limiting seat 16 (shown in fig. 2), and finally, the fastening bolt 22 is rotated to be abutted against the bottom end face of the second chuck 8.
In the actual operation, as shown in fig. 1-3, the chuck and the support 1 are firstly installed through the fastener 15, and finally the membrane 4 is installed on the membrane disc 13. Wherein, through bayonet socket 7 and draw-in groove 12 interconnect between involucra 4 and the involucra dish 13, and adopt ring spring 11 to carry on spacingly, guaranteed leakproofness between them, buckle 15 and support 1 are accomplished jointly through buckle 15 and support to being connected between two chucks and the involucra 4, buckle 15 and support 1 carry out the cross fixation to the chuck, the atress of each part is comparatively even, firm in connection, sealed effect is better, and buckle 15 is connected for interior knot formula with support 1, this connection structure is difficult impaired, long service life.
Claims (5)
1. a gas meter membrane disc device is characterized in that: comprises a leather film disc (13), a leather film (4), a buckle (15) and a support (1), wherein a clamping groove (12) is arranged at the outer edge of the upper end of the leather film disc (13), the clamping groove (12) is of a circular ring-shaped structure, the clamping groove (12) and the leather film disc (13) are of an integral structure, a bayonet (7) is fixedly connected with the bottom of the leather film (4), a second chuck (8) is arranged between the leather film (4) and the leather film disc (13), a first chuck (2) is arranged above the leather film (4), the first chuck (2) and the second chuck (8) are of a disc-shaped structure, the upper surface of the second chuck (8) is fixedly connected with a convex circular table (10), an inward concave circular groove (18) is formed in the lower end surface of the first chuck (2), the diameter of the circular groove (18) is slightly larger than that of the circular table (10), and one end of the buckle (15) is provided with a, the utility model discloses a support, including the connector, the both ends fixedly connected with spliced pole (20) of connector, the equal fixedly connected with barb (21) in the outside of spliced pole (20), the hole groove has been seted up to the bottom of support (1), be provided with cavity (14) in support (1), two spacing seats (16) are installed to the symmetry on the inside wall of cavity (14).
2. A gas meter membrane disc device according to claim 1, wherein: the middle part of spliced pole (20) is provided with screwed pipe (23), fastening bolt (22) has been cup jointed on screwed pipe (23), threaded connection between fastening bolt (22) and screwed pipe (23), the external diameter of fastening bolt (22) is greater than logical groove (3) that first chuck (2) surface set up.
3. A gas meter membrane disc device according to claim 1, wherein: the connecting columns (20) are provided with two symmetrical connecting columns.
4. A gas meter membrane disc unit according to claim 1 or 2, wherein: and an annular spring (11) is arranged on the periphery of the bayonet (7).
5. A gas meter membrane disc device according to claim 1, wherein: one end of the barb (21) is bent downwards, and the barb (21) is of an elastic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920290096.8U CN209802436U (en) | 2019-03-07 | 2019-03-07 | Leather membrane disc device of gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920290096.8U CN209802436U (en) | 2019-03-07 | 2019-03-07 | Leather membrane disc device of gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802436U true CN209802436U (en) | 2019-12-17 |
Family
ID=68823885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920290096.8U Active CN209802436U (en) | 2019-03-07 | 2019-03-07 | Leather membrane disc device of gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802436U (en) |
-
2019
- 2019-03-07 CN CN201920290096.8U patent/CN209802436U/en active Active
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