CN221352626U - Multi-channel switching device - Google Patents
Multi-channel switching device Download PDFInfo
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- CN221352626U CN221352626U CN202323488968.7U CN202323488968U CN221352626U CN 221352626 U CN221352626 U CN 221352626U CN 202323488968 U CN202323488968 U CN 202323488968U CN 221352626 U CN221352626 U CN 221352626U
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- plate
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- bottom plate
- bounding wall
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- 238000007789 sealing Methods 0.000 claims description 17
- 238000010586 diagram Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a multichannel switching device, which relates to the technical field of circuit switching of universal meters and comprises an inner coaming, wherein the inner coaming is arranged on the front end face of a connecting bottom plate, the connecting bottom plate is fixedly connected with the inner coaming, an insulating part is arranged on the front end face of the connecting bottom plate, and a conductive part is arranged on the front end face of the connecting bottom plate.
Description
Technical Field
The utility model relates to the technical field of circuit switching of universal meters, in particular to a multichannel switching device.
Background
The universal meter is a magneto-electric meter with a rectifier and capable of measuring various electrical parameters such as alternating current, direct current, voltage, resistance and the like, and is composed of a magneto-electric ammeter, a measuring circuit, a selection switch and the like, the universal meter can conveniently measure the various electrical parameters through the conversion of the selection switch, and the selection switch of the universal meter is used for cutting off a circuit channel of the universal meter through the on-off of a control circuit.
However, when the conventional selection switch of the universal meter is used for a long time, the circuit connection contact inside the selection switch often slides, so that abrasion is easy to occur, gaps are formed between the contact and the conductive piece, and poor contact is easy to occur when the circuit connection is carried out on the contact inside the universal meter switch; therefore, the existing requirements are not met, and a multi-channel switching device is proposed.
Disclosure of utility model
The utility model aims to provide a multichannel switching device, which solves the problems that when a selector switch of a multimeter provided in the background art is used for a long time, a circuit connection contact inside the selector switch often slides, abrasion is easy to generate, gaps are formed between the contact and a conductive piece, and poor contact is easy to occur when the contact inside the multimeter switch is connected with a circuit.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a multi-channel switching device comprising a connection backplane:
The inner coaming is arranged on the front end face of the connecting bottom plate, the connecting bottom plate is fixedly connected with the inner coaming, an insulating part is arranged on the front end face of the connecting bottom plate, eight conductive parts are arranged on the front end face of the connecting bottom plate, the connecting bottom plate is fixedly connected with the insulating part and the conductive parts, and a power-on groove is formed in the inner sides of the insulating part and the conductive parts;
The rotary shaft, it sets up the preceding terminal surface of connecting plate, the rotary shaft passes through bearing connection with connecting plate, the electric conduction pipe is all installed at the upper and lower both ends that the rotation axis outside is close to connecting plate one side, electric conduction pipe and rotation axis fixed connection, the internally mounted of electric conduction pipe has compensation spring, compensation spring and electric conduction pipe fixed connection, the power-on pole is installed to the one end that the rotation axis was kept away from to compensation spring, power-on pole and compensation spring fixed connection, power-on pole and electric conduction pipe pass through draw-in groove sliding connection.
Preferably, the front end face of the rotating shaft is provided with a function selecting knob, the function selecting knob is fixedly connected with the rotating shaft, the upper end of the function selecting knob is provided with a limiting square cylinder, the limiting square cylinder is fixedly connected with the function selecting knob, the inside of the limiting square cylinder is provided with a clamping spring, and one end of the clamping spring is provided with a telescopic inner rod.
Preferably, the first bounding wall is installed to the preceding terminal surface of connection bottom plate, connection bottom plate and first bounding wall fixed connection, the second bounding wall is installed to the preceding terminal surface of first bounding wall, second bounding wall and first bounding wall fixed connection, upper bracket is installed to the preceding terminal surface of second bounding wall, upper bracket and second bounding wall fixed connection, the limiting plate is installed to the inboard of upper bracket, limiting plate and upper bracket fixed connection.
Preferably, a sealing cover plate is installed at the front end of the upper bracket, and the sealing cover plate is fixedly connected with the upper bracket.
Preferably, an indicating plate is mounted at the front end of the sealing cover plate, and the indicating plate is fixedly connected with the sealing cover plate.
Preferably, a connecting wire is installed outside the conductive member, and the connecting wire is electrically connected with the conductive member.
Preferably, the outside of connecting wire is provided with abrasionproof insulating rubber cover, abrasionproof insulating rubber cover and inside bounding wall fixed connection.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the insulating piece and the conductive piece can be matched with the electrified rod, so that a worker can conveniently and quickly control the on-off of a circuit, the device is simpler and more convenient to use, the compensation spring can be arranged to push the electrified rod to move, the gap generated by long-time friction between the electrified rod and the insulating piece and the conductive piece is compensated, the electrified rod is contacted with the insulating piece or the conductive piece, the service life of the device is ensured, the conductive piece and the electrified rod are well matched when the circuit is connected, and the phenomenon of poor contact is avoided;
2. According to the utility model, the telescopic inner rod is arranged to be matched with the limiting plate, so that the function selection knob can be limited, the rotating shaft is further limited, the practicability of the device is enhanced, the device is prevented from being rotated by a worker by mistake, the connecting wire can be protected by arranging the anti-abrasion insulating rubber sleeve, the friction between the connecting wire and the inner coaming is prevented, and the service life of the device is prolonged.
Drawings
FIG. 1 is a three-dimensional perspective view of a multi-channel switching device according to the present utility model;
FIG. 2 is a diagram showing the connection relationship between a limiting square cylinder and a rotating shaft;
FIG. 3 is a diagram showing the relationship between a limiting plate and a telescopic inner rod according to the present utility model;
FIG. 4 is a top, interior, three-dimensional perspective view of a multi-channel switching device of the present utility model;
FIG. 5 is a bottom three-dimensional perspective view of a multi-channel switching device according to the present utility model;
FIG. 6 is a schematic diagram illustrating an internal structure of a multi-channel switching device according to the present utility model;
FIG. 7 is a diagram showing the connection relationship between the clamping spring, the limiting square cylinder and the telescopic inner rod;
FIG. 8 is a diagram showing the connection relationship between the compensation spring, the flashlight and the power rod.
In the figure: 1. a connecting bottom plate; 2. a first coaming; 3. a second coaming; 4. an upper bracket; 5. sealing the cover plate; 6. an indication board; 7. a function selection knob; 8. a limiting plate; 9. a limit square cylinder; 10. a telescopic inner rod; 11. a compensation spring; 12. an inner coaming; 13. an insulating member; 14. a conductive member; 15. a conductive torch; 16. a power-on pole; 17. wear-resistant insulating rubber sleeve; 18. connecting wires; 19. a rotation shaft; 20. and a clamping spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-8, an embodiment of the present utility model is provided: a multi-channel switching device comprising a connection base plate 1:
The internal coaming 12 is arranged on the front end face of the connecting bottom plate 1, the connecting bottom plate 1 is fixedly connected with the internal coaming 12, the front end face of the connecting bottom plate 1 is provided with an insulating part 13, the front end face of the connecting bottom plate 1 is provided with a conductive part 14, the insulating part 13 and the conductive part 14 can be matched with the electrifying rod 16, so that a worker can conveniently and rapidly control the on-off of a circuit, the device is simpler and more convenient to use, eight insulating parts 13 and eight conductive parts 14 are arranged, the connecting bottom plate 1 is fixedly connected with the insulating parts 13 and the conductive parts 14, and electrifying grooves are formed in the inner sides of the insulating parts 13 and the conductive parts 14;
The rotation axis 19, it sets up the preceding terminal surface at connection bottom plate 1, rotation axis 19 passes through the bearing with connection bottom plate 1 to be connected, the upper and lower both ends that rotation axis 19 outside is close to connection bottom plate 1 one side all install conductive tube 15, conductive tube 15 and rotation axis 19 fixed connection, the internally mounted of conductive tube 15 has compensation spring 11, installation compensation spring 11 can promote the power pole 16 and remove, make the power pole 16 and insulator 13 and the clearance that the long-time friction produced between the conductive piece 14, make the power pole 16 contact with insulator 13 or conductive piece 14, guarantee the life of device, guarantee the good cooperation between conductive piece 14 and the power pole 16 when carrying out the circuit connection, avoid appearing the phenomenon of contact failure, compensation spring 11 and conductive tube 15 fixed connection, the power pole 16 is installed to the one end that the rotation axis 19 was kept away from to compensation spring 11, power pole 16 and compensation spring 11 fixed connection, power pole 16 passes through draw-in groove sliding connection with conductive tube 15.
Referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, a function selecting knob 7 is mounted on the front end surface of a rotating shaft 19, the function selecting knob 7 is fixedly connected with the rotating shaft 19, a limit square cylinder 9 is mounted on the upper end of the function selecting knob 7, the limit square cylinder 9 is fixedly connected with the function selecting knob 7, a clamping spring 20 is mounted in the limit square cylinder 9, a telescopic inner rod 10 is mounted at one end of the clamping spring 20, the telescopic inner rod 10 is mounted to be matched with a limit plate 8, the function selecting knob 7 can be limited, and then carry out spacing to pivot 19, reinforcing device's practicality, avoid the staff to revolve this device by mistake, first bounding wall 2 is installed to the preceding terminal surface of connecting plate 1, connecting plate 1 and first bounding wall 2 fixed connection, second bounding wall 3 is installed to the preceding terminal surface of first bounding wall 2, second bounding wall 3 and first bounding wall 2 fixed connection, upper bracket 4 is installed to the preceding terminal surface of second bounding wall 3, upper bracket 4 and second bounding wall 3 fixed connection, limiting plate 8 is installed to the inboard of upper bracket 4, limiting plate 8 and upper bracket 4 fixed connection, sealing cover plate 5 is installed to the front end of upper bracket 4, sealing cover plate 5 and upper bracket 4 fixed connection, sealing cover plate 5's front end is installed indicator plate 6, indicator plate 6 and sealing cover plate 5 fixed connection, the externally mounted of conducting piece 14 has connecting wire 18, connecting wire 18 and conducting piece 14 electric connection, the outside of connecting wire 18 is provided with wear-resistant insulating rubber sleeve 17, wear-resistant insulating rubber sleeve 17 is installed and connecting wire 18 can be protected, connecting wire 18 and inside bounding wall 12 friction is prevented, reinforcing device's life is installed to sealing cover 5 and upper bracket 4 fixed connection, sealing cover 6 is installed to sealing cover 5, sealing cover plate 6 is fixed connection with inside wear-resistant insulating sleeve 12.
Working principle: the device is arranged at the upper end of the universal meter by a worker, when the device is used, the worker rotates the function selection knob 7, so that the function selection knob 7 drives the limit square cylinder 9 to rotate, because one end of the telescopic inner rod 10 is matched with the limit plate 8, when the worker rotates the function selection knob 7, the telescopic inner rod 10 is extruded with the limit plate 8, the telescopic inner rod 10 is stressed and contracted into the telescopic inner rod 10, meanwhile, the rotating function selection knob 7 drives the rotating shaft 19 to rotate, the rotating shaft 19 drives the conductive torch 15 and the power-on rod 16 to rotate, the power-on rod 16 is contacted with the conductive part 14 of another circuit, the switching of a circuit channel is realized, the friction between the power-on rod 16 and the conductive part 14 can generate loss along with the increase of the service time of the device, the compensation spring 11 pushes the power-on rod 16 to move, the power-on rod 16 can be always tightly contacted with the conductive part 14, and poor contact of the device is avoided, the device is provided with the insulating piece 13 and the conducting piece 14 which can be matched with the electrifying rod 16 to facilitate the staff to quickly control the on-off of a circuit, so that the device is simpler and more convenient to use, the installation compensating spring 11 can push the electrifying rod 16 to move, the gap generated by long-time friction between the electrifying rod 16 and the insulating piece 13 and the conducting piece 14 is compensated, the electrifying rod 16 is contacted with the insulating piece 13 or the conducting piece 14, the service life of the device is ensured, the good matching between the conducting piece 14 and the electrifying rod 16 is ensured when the circuit connection is carried out, the phenomenon of poor contact is avoided, the telescopic inner rod 10 is installed to be matched with the limiting plate 8, the function selecting knob 7 can be limited, the rotating shaft 19 is further limited, the practicability of the device is enhanced, the staff is prevented from rotating the device by mistake, the anti-abrasion insulating rubber sleeve 17 is installed to protect the connecting wire 18, the connecting wires 18 are prevented from rubbing against the inner shroud 12, enhancing the service life of the device.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A multi-channel switching device comprising a connection base plate (1), characterized in that:
The inner coaming (12) is arranged on the front end face of the connecting bottom plate (1), the connecting bottom plate (1) is fixedly connected with the inner coaming (12), an insulating piece (13) is arranged on the front end face of the connecting bottom plate (1), conductive pieces (14) are arranged on the front end face of the connecting bottom plate (1), eight insulating pieces (13) and eight conductive pieces (14) are arranged on the front end face of the connecting bottom plate (1), the connecting bottom plate (1) is fixedly connected with the insulating pieces (13) and the conductive pieces (14), and a power-on groove is formed in the inner sides of the insulating pieces (13) and the conductive pieces (14);
Rotation axis (19), it sets up the preceding terminal surface of connecting plate (1), rotation axis (19) are connected through the bearing with connecting plate (1), conductive torch (15) are all installed at the upper and lower both ends that are close to connecting plate (1) one side in rotation axis (19) outside, conductive torch (15) and rotation axis (19) fixed connection, the internally mounted of conductive torch (15) has compensation spring (11), compensation spring (11) and conductive torch (15) fixed connection, lead to pole (16) are installed to the one end that rotation axis (19) were kept away from to compensation spring (11), lead to pole (16) and compensation spring (11) fixed connection, lead to pole (16) and conductive torch (15) pass through draw-in groove sliding connection.
2. A multi-channel switching device according to claim 1, wherein: the utility model discloses a rotary machine, including rotation axis (19), function selection knob (7) are installed to the preceding terminal surface of rotation axis (19), function selection knob (7) and rotation axis (19) fixed connection, spacing square tube (9) are installed to the upper end of function selection knob (7), spacing square tube (9) and function selection knob (7) fixed connection, internally mounted of spacing square tube (9) has clamping spring (20), telescopic inner rod (10) are installed to one end of clamping spring (20).
3. A multi-channel switching device according to claim 1, wherein: the utility model discloses a connecting plate, including connecting bottom plate (1), limiting plate (8) and upper bracket (4), first bounding wall (2) are installed to the preceding terminal surface of connecting bottom plate (1), second bounding wall (3) are installed to the preceding terminal surface of first bounding wall (2), second bounding wall (3) and first bounding wall (2) fixed connection, upper bracket (4) are installed to the preceding terminal surface of second bounding wall (3), upper bracket (4) and second bounding wall (3) fixed connection, limiting plate (8) are installed to the inboard of upper bracket (4), limiting plate (8) and upper bracket (4) fixed connection.
4. A multi-channel switching device according to claim 3, wherein: the front end of the upper bracket (4) is provided with a sealing cover plate (5), and the sealing cover plate (5) is fixedly connected with the upper bracket (4).
5. The multi-channel switching device of claim 4, wherein: an indication plate (6) is arranged at the front end of the sealing cover plate (5), and the indication plate (6) is fixedly connected with the sealing cover plate (5).
6. A multi-channel switching device according to claim 1, wherein: the outside of electrically conductive piece (14) is installed connecting wire (18), connecting wire (18) and electrically conductive piece (14) electric connection.
7. The multi-channel switching device of claim 6, wherein: the outside of connecting wire (18) is provided with abrasionproof insulating rubber cover (17), abrasionproof insulating rubber cover (17) and inside bounding wall (12) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323488968.7U CN221352626U (en) | 2023-12-21 | 2023-12-21 | Multi-channel switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323488968.7U CN221352626U (en) | 2023-12-21 | 2023-12-21 | Multi-channel switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221352626U true CN221352626U (en) | 2024-07-16 |
Family
ID=91827165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323488968.7U Active CN221352626U (en) | 2023-12-21 | 2023-12-21 | Multi-channel switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221352626U (en) |
-
2023
- 2023-12-21 CN CN202323488968.7U patent/CN221352626U/en active Active
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