CN220871815U - Mining intrinsic safety type flowmeter - Google Patents
Mining intrinsic safety type flowmeter Download PDFInfo
- Publication number
- CN220871815U CN220871815U CN202322835396.9U CN202322835396U CN220871815U CN 220871815 U CN220871815 U CN 220871815U CN 202322835396 U CN202322835396 U CN 202322835396U CN 220871815 U CN220871815 U CN 220871815U
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- clamping
- piece
- wire outlet
- elastic
- cable
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- 238000005065 mining Methods 0.000 title claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 6
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
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Abstract
The utility model relates to a mining intrinsic safety type flowmeter. The utility model aims to solve the technical problem of providing a mining intrinsic safety type flowmeter with firmly fixed cables. The technical scheme includes that the sensor comprises a sensor device, a converter and a cable, wherein the sensor device comprises a junction box shell, a junction box cover plate, a circuit board assembly and a connector assembly, a wire outlet end is arranged on the side portion of the junction box shell, a connector installation cavity and a wire outlet are arranged in the wire outlet end, the connector assembly comprises a clamping elastic piece, an elastic extrusion piece and a cable locking head, an elastic piece wiring hole is formed in the clamping elastic piece, and the clamping elastic piece comprises a clamping piece positioning seat and a clamping piece conical head. The utility model has the advantages that: the elastic extrusion piece is extruded to clamp the elastic piece through twisting the cable locking head, so that the clamping and fixing functions of the cable are realized, the cable can not swing easily, the connection tightness of the cable is improved, the contact is good, and the service life is prolonged.
Description
Technical Field
The utility model relates to a mining intrinsic safety type flowmeter.
Background
The intrinsic safety type flowmeter is an instrument for measuring the liquid flow in various circular tubes by using the Faraday electromagnetic induction principle; the meter is not influenced by the density, viscosity, temperature and the like of the liquid, is not influenced by the flow direction of the liquid, and can accurately measure both the positive direction and the negative direction. The mine intrinsic safety flowmeter is a flowmeter in severe environments such as ore exploitation, and the like, and the existing mine intrinsic safety flowmeter is used for solving the problems that a battery and a circuit board are easy to wet and waterproof, and is basically fixed by epoxy resin glue, although the waterproof performance is improved, the cable is not fixed, so that the cable is easy to be affected by external factors to swing and pull frequently, the contact between the sensor circuit board and a converter is easy to be poor, and the subsequent use is affected, so that the existing mine intrinsic safety flowmeter is required to be fixed aiming at the cable, and the improvement is carried out.
Disclosure of utility model
In order to solve the problems, the technical problem to be solved by the utility model is to provide the mining intrinsic safety type flowmeter with firmly fixed cables.
The mining intrinsic safety type flowmeter comprises a sensor device, a converter and a cable for signal transmission between the sensor device and the converter, wherein the sensor device comprises a junction box shell, a junction box cover plate, a circuit board assembly and a joint assembly, and is characterized in that a wire outlet end is arranged on the side part of the junction box shell, a joint mounting cavity and a wire outlet are arranged in the wire outlet end, the joint assembly comprises a clamping elastic piece, an elastic extrusion piece and a cable locking head which are sequentially arranged in the joint mounting cavity, an elastic piece wiring hole corresponding to the wire outlet is arranged in the clamping elastic piece, the clamping elastic piece comprises a clamping piece positioning seat and a clamping piece conical head, a conical extrusion groove for clamping the clamping piece conical head is arranged in the elastic extrusion piece, and an extrusion positioning groove is formed in the elastic extrusion piece; the cable locking head is internally provided with a locking head wire outlet hole communicated with the conical extrusion groove, and comprises a locking head butt joint part in threaded connection with the inner wall of the wire outlet end and a locking head tightening part for locking.
The conical head of the clamping piece and the horizontal plane form an included angle a, the included angle a ranges from 135 degrees to 145 degrees, the conical extrusion groove and the horizontal plane form an included angle b, and the included angle b ranges from 150 degrees to 165 degrees.
The bottom of the clamping piece positioning seat is provided with a clamping piece butting groove, and the wire outlet end is provided with a clamping piece positioning protrusion corresponding to the clamping piece butting groove in the joint mounting cavity.
The connector assembly further comprises a limiting block, a limiting block mounting port which is vertically communicated with the connector mounting cavity is formed in the outgoing line end, and a clamping piece bayonet corresponding to the limiting block is formed in the clamping piece positioning seat.
The included angle a is 145 degrees, and the included angle b is 160 degrees.
The clamping elastic piece and the elastic extrusion piece are made of rubber materials.
The locking head tightening part is of a regular hexagon structure.
The mining intrinsic safety type flowmeter has the advantages that: the elastic extrusion piece is extruded to clamp the elastic piece through twisting the cable locking head, so that the clamping and fixing functions of the cable are realized, the cable can not swing easily, the connection tightness of the cable is improved, the contact is good, and the service life is prolonged.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the mining intrinsic safety type flowmeter of the present utility model;
FIG. 2 is an enlarged view of FIG. 1;
FIG. 3 is a cross-sectional view of the junction box housing of the present utility model;
FIG. 4 is a cross-sectional view of the joint assembly of the present utility model;
FIG. 5 is a cross-sectional view of the clamping spring of the present utility model;
Fig. 6 is a cross-sectional view of a resilient extrusion of the present utility model.
Detailed Description
As shown in fig. 1-6, the mining intrinsic safety type flowmeter comprises a sensor device 1, a converter 2 and a cable 3 for signal transmission between the sensor device 1 and the converter 2, wherein the sensor device 1 comprises a junction box shell 5, a junction box cover plate 6, a circuit board assembly 7 and a joint assembly 8 which are arranged in the junction box shell 5, an outlet end 10 is arranged on the side part of the junction box shell 5, a joint installation cavity 11 and an outlet 12 are arranged in the outlet end 10, the joint assembly 8 comprises a clamping elastic piece 15, an elastic extrusion piece 16 and a cable locking head 17 which are sequentially arranged in the joint installation cavity 11, an elastic piece wiring hole 19 corresponding to the outlet 12 is arranged in the clamping elastic piece 15, the clamping elastic piece 15 comprises a clamping piece positioning seat 20 and a clamping piece conical head 21, a conical extrusion groove 23 for clamping the clamping piece conical head 21 is arranged in the elastic extrusion piece 16, and a positioning groove 24 is arranged on the elastic piece 16; the cable locking head 17 is internally provided with a locking head wire outlet hole 25 communicated with the conical extrusion groove 23, the cable locking head 17 comprises a locking head butt joint part 26 in threaded connection with the inner wall of the wire outlet end 10 and a locking head tightening part 27 for locking, and the structure can enable the elastic extrusion piece 16 to extrude the clamping elastic piece 15 by screwing the cable locking head 17 so as to realize the clamping and fixing function of the cable, so that the cable can not swing easily, the connection tightness of the cable is improved, the contact is good, and the service life is prolonged.
The angle a is formed between the conical head 21 of the clamping piece and the horizontal plane, the angle range of the angle a is 135-145 degrees, the conical extrusion groove 23 and the horizontal plane form an angle b, and the angle range of the angle b is 150-165 degrees, so that an angle difference exists between the conical head 21 of the clamping piece and the conical extrusion groove 23, and the elastic extrusion piece 16 can be effectively extruded to clamp the cable 3 through the elastic piece routing hole 19 in the conical head 21 of the clamping piece.
The bottom of the clamping piece positioning seat 20 is provided with a clamping piece butting groove 30, the outlet end 10 is provided with a clamping piece positioning protrusion 31 corresponding to the clamping piece butting groove 30 in the connector installation cavity 11, positioning is more accurate, and in addition, the design of the clamping piece positioning protrusion 31 can further strengthen waterproof performance.
The connector assembly 8 further comprises a limiting block 18, the wire outlet end 10 is provided with a limiting block mounting opening 32 vertically communicated with the connector mounting cavity 11, and the clamping piece positioning seat 20 is provided with a clamping piece bayonet 33 corresponding to the limiting block 18, so that the clamping elastic piece 15 is effectively limited, and the clamping action is more stable and reliable.
The angle of the included angle a is 145 degrees, the angle of the included angle b is 160 degrees, and the clamping operation is easy and the clamping is reliable.
The elastic clamping member 15 and the elastic pressing member 16 are made of rubber, and have elasticity and can maintain reliability of operation.
The locking head tightening part 27 has a regular hexagonal structure, so that the tightening operation is facilitated.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The utility model provides a mining intrinsic safety type flowmeter, includes sensor device (1), converter (2) and is used for sensor device (1) with cable (3) of signal transmission between converter (2), sensor device (1) include terminal box casing (5), terminal box apron (6), establish circuit board subassembly (7), joint component (8) in terminal box casing (5), its characterized in that: the wire outlet end (10) is arranged on the side portion of the junction box shell (5), a joint installation cavity (11) and a wire outlet (12) are arranged in the wire outlet end (10), the joint assembly (8) comprises a clamping elastic piece (15), an elastic extrusion piece (16) and a wire locking head (17) which are sequentially arranged in the joint installation cavity (11), an elastic piece wire outlet hole (19) corresponding to the wire outlet (12) is arranged in the clamping elastic piece (15), the clamping elastic piece (15) comprises a clamping piece positioning seat (20) and a clamping piece conical head (21), a conical extrusion groove (23) used for clamping the clamping piece conical head (21) is arranged in the elastic extrusion piece (16), and an extrusion piece positioning groove (24) is formed in the elastic extrusion piece (16);
The cable locking head (17) is internally provided with a locking head wire outlet hole (25) communicated with the conical extrusion groove (23), and the cable locking head (17) comprises a locking head butt joint part (26) in threaded connection with the inner wall of the wire outlet end (10) and a locking head tightening part (27) for locking.
2. The mining intrinsic safety type flowmeter according to claim 1, wherein: the conical head (21) of the clamping piece forms an included angle a with the horizontal plane, the included angle a ranges from 135 degrees to 145 degrees, the conical extrusion groove (23) forms an included angle b with the horizontal plane, and the included angle b ranges from 150 degrees to 165 degrees.
3. The mining intrinsic safety type flowmeter according to claim 1, wherein: the bottom of the clamping piece positioning seat (20) is provided with a clamping piece butting groove (30), and the wire outlet end (10) is provided with a clamping piece positioning protrusion (31) corresponding to the clamping piece butting groove (30) in the joint mounting cavity (11).
4. The mining intrinsic safety type flowmeter according to claim 1, wherein: the connector assembly (8) further comprises a limiting block (18), a limiting block mounting opening (32) which is vertically communicated with the connector mounting cavity (11) is formed in the wire outlet end (10), and a clamping piece bayonet (33) corresponding to the limiting block (18) is formed in the clamping piece positioning seat (20).
5. The mining intrinsic safety type flowmeter according to claim 2, wherein: the included angle a is 145 degrees, and the included angle b is 160 degrees.
6. The mining intrinsic safety type flowmeter according to claim 1, wherein: the clamping elastic piece (15) and the elastic extrusion piece (16) are made of rubber materials.
7. The mining intrinsic safety type flowmeter according to claim 1, wherein: the locking head tightening part (27) is of a regular hexagon structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322835396.9U CN220871815U (en) | 2023-10-23 | 2023-10-23 | Mining intrinsic safety type flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322835396.9U CN220871815U (en) | 2023-10-23 | 2023-10-23 | Mining intrinsic safety type flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220871815U true CN220871815U (en) | 2024-04-30 |
Family
ID=90807989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322835396.9U Active CN220871815U (en) | 2023-10-23 | 2023-10-23 | Mining intrinsic safety type flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220871815U (en) |
-
2023
- 2023-10-23 CN CN202322835396.9U patent/CN220871815U/en active Active
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