CN220895268U - Detachable metal tube resistor - Google Patents
Detachable metal tube resistor Download PDFInfo
- Publication number
- CN220895268U CN220895268U CN202322356838.1U CN202322356838U CN220895268U CN 220895268 U CN220895268 U CN 220895268U CN 202322356838 U CN202322356838 U CN 202322356838U CN 220895268 U CN220895268 U CN 220895268U
- Authority
- CN
- China
- Prior art keywords
- resistor
- metal tube
- resistor body
- positioning
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 title claims abstract description 66
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model discloses a detachable metal tube resistor, which relates to the technical field of resistors and comprises a resistor body, wherein bases are arranged on two sides of the resistor body, elastic metal sheets are arranged on two opposite sides of the bases, positioning pieces are arranged on one sides of the elastic metal sheets, positioning grooves are formed in two sides of the resistor body, the positioning pieces are slidably inserted into the positioning grooves, a sliding groove is formed in the top of each positioning piece, two positioning components are arranged in the resistor body and are connected with the sliding groove, and each positioning component comprises an inclined block. According to the utility model, the metal tube resistor is simple in structure and convenient to operate, the brake resistor can help to stop or reduce the speed of the motor by dissipating residual voltage generated by the speed reduction motor, and the resistor body can be detached during maintenance and replacement without integral detachment and replacement, so that the maintenance is convenient for personnel, and the maintenance cost is reduced.
Description
Technical Field
The utility model relates to the technical field of resistors, in particular to a detachable metal tube resistor.
Background
Currently, many areas require the use of frequency converters for braking, such as locomotives, elevators, etc. However, during braking, the motor does not immediately stall due to inertia, which results in feedback of regenerated energy, which must be consumed. Otherwise, the regenerated energy directly acts on the direct current circuit part of the frequency converter, so that certain damage is caused to the frequency converter, and the common practice is to arrange metal tube brake resistors at two ends of the frequency converter, and the regenerated energy is consumed through the heating of the resistors.
However, the supporting legs and the resistor body on the existing metal tube resistor are mostly integrally formed or fixedly connected, and the supporting legs are welded on equipment, so that when the resistor is damaged, the supporting legs and the resistor body are required to be integrally replaced, time and labor are wasted, the operation is troublesome, and the unnecessary maintenance cost is increased.
For example, the prior art chinese patent (publication No. CN 208315302U) discloses a brake resistor comprising two insulating tubes for winding a resistance wire and left and right side plates respectively fixed to both ends of the insulating tubes, and the two insulating tubes share the same left and right side plates.
The insulating tube on the resistor designed as above is fixedly connected with the left side plate and the right side plate, so that when the resistor is damaged and maintained, the resistor needs to be replaced integrally, which is time-consuming and labor-consuming, and also increases unnecessary maintenance cost.
Disclosure of utility model
The utility model provides a detachable metal tube resistor, which solves the technical problem that the existing metal tube resistor cannot be detached mostly.
In order to solve the technical problems, the detachable metal tube resistor provided by the utility model comprises a resistor body, wherein bases are arranged on two sides of the resistor body, elastic metal sheets are arranged on two opposite sides of the bases, positioning pieces are arranged on one sides of the elastic metal sheets, positioning grooves are formed in two sides of the resistor body, the positioning pieces are slidably inserted into the positioning grooves, a sliding groove is formed in the top of each positioning piece, two positioning assemblies are arranged in the resistor body, and the positioning assemblies are connected with the sliding grooves.
Preferably, the positioning assembly comprises an inclined block, an inserting rod, a positioning spring and a driving assembly, wherein the inclined block is arranged in the resistor body in a sliding mode, the inserting rod is arranged at the bottom of the inclined block, the other end of the inserting rod is inserted in the sliding groove in a sliding mode, the positioning spring is arranged at the bottom of the inclined block and connected with the resistor body, and the driving assembly abuts against the inclined block.
Preferably, the driving assembly comprises a screw, a push block and a torsion block, wherein the screw is in threaded connection with one side of the resistor body, the push block is fixedly connected with one end of the screw, the push block abuts against the oblique block, and the torsion block is arranged at the other end of the screw.
Preferably, the resistor body is internally provided with two cavities, the inclined blocks are slidably connected in the cavities, two ends of the positioning spring are fixedly connected with the inclined blocks and the inner walls of the cavities respectively, and the pushing blocks are rotatably connected in the cavities.
Preferably, the outer surface of the torsion block is provided with anti-slip lines.
Preferably, a sliding piece is arranged in the base in a sliding way, the sliding piece is fixedly connected with the elastic metal sheet, a reset spring is arranged on the other side of the sliding piece, and the other end of the reset spring is connected with the base.
Preferably, the sliding cavity and the limiting opening are respectively formed in the base and on one side of the base, the sliding piece is slidably connected in the sliding cavity, the elastic metal piece is slidably connected in the sliding cavity and the limiting opening, and two ends of the reset spring are fixedly connected with the sliding piece and the inner wall of the sliding cavity respectively.
Preferably, the resistor body comprises a metal tube and a resistance wire spirally wound on the metal tube.
Compared with the related art, the detachable metal tube resistor provided by the utility model has the following beneficial effects:
1. in the utility model, the push block can be moved by rotating the torsion block, the positioning spring can push the inclined block away due to self elasticity in the process, meanwhile, the inserted link slides out of the chute, and then the elastic metal sheet is pulled in a matched manner, so that the positioning piece slides out of the positioning groove, the resistor body and the elastic metal sheet are separated, the detachable effect can be realized, and the resistor can be conveniently installed according to the principle.
2. According to the utility model, the elastic metal sheet is pulled, so that the elastic metal sheet and the sliding piece can slide in the sliding cavity and compress the reset spring, a person can be assisted in disassembling and assembling the resistor body, the elastic metal sheet is prevented from being deformed frequently, the elastic metal sheet cannot be restored, and the service life of the resistor is prolonged.
Drawings
FIG. 1 is a schematic perspective view of the exterior of a removable metal tube resistor;
FIG. 2 is a schematic plan view of the inside of a detachable metal tube resistor;
FIG. 3 is an enlarged view of FIG. 2 at A;
Fig. 4 is an enlarged view at B in fig. 2.
Reference numerals in the drawings: 1. a resistor body; 2. a base; 3. an elastic metal sheet; 4. a positioning groove; 5. a positioning piece; 6. a sloping block; 7. a rod; 8. a chute; 9. a positioning spring; 10. a screw; 11. a pushing block; 12. twisting blocks; 13. a slider; 14. and a return spring.
Detailed Description
Embodiments of the present utility model are described in detail below.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
Example 1
1-3, A detachable metal tube resistor comprises a resistor body 1, wherein bases 2 are arranged on two sides of the resistor body 1, elastic metal sheets 3 are arranged on two opposite sides of the two bases 2, positioning pieces 5 are arranged on one sides of the elastic metal sheets 3, positioning grooves 4 are formed on two sides of the resistor body 1, the positioning pieces 5 are slidably inserted into the positioning grooves 4, a sliding groove 8 is formed in the top of the positioning pieces 5, two positioning components are arranged in the resistor body 1 and are connected with the sliding groove 8, each positioning component comprises an inclined block 6, an inserting rod 7, a positioning spring 9 and a driving component, the inclined block 6 is slidably arranged in the resistor body 1, the inserting rod 7 is arranged at the bottom of the inclined block 6, the other end of the inserting rod 7 is slidably inserted into the sliding groove 8, the positioning spring 9 is arranged at the bottom of the inclined block 6 and is connected with the resistor body 1, and the driving component is propped against the inclined block 6;
The driving assembly comprises a screw rod 10, a push block 11 and a torsion block 12, wherein the screw rod 10 is in threaded connection with one side of the resistor body 1, the push block 11 is fixedly connected with one end of the screw rod 10, the push block 11 is propped against the inclined block 6, the torsion block 12 is arranged at the other end of the screw rod 10, two cavities are formed in the resistor body 1, the inclined block 6 is in sliding connection with the cavities, two ends of the positioning spring 9 are fixedly connected with the inclined block 6 and the inner wall of the cavities respectively, the push block 11 is in rotary connection with the cavities, the resistor body 1 comprises a metal tube and a resistor wire, and the resistor wire is spirally wound on the metal tube.
In specific implementation, through the cooperation of the metal tube and the resistance wire, the brake resistor can help to stop or reduce the motor by dissipating the residual voltage generated by the reducing motor, when the resistor body 1 needs to be maintained or repaired, the torsion block 12 is rotated firstly, so that the torsion block 12 drives the screw rod 10 and the push block 11 to rotate and move simultaneously, the inclined block 6 can be pushed away by the positioning spring 9 in the process due to self elasticity, meanwhile, the inserting rod 7 slides out of the sliding groove 8, and then the elastic metal sheet 3 is pulled, and as the elastic metal sheet 3 has certain deformability, the positioning piece 5 slides out of the positioning groove 4, so that the resistor body 1 and the elastic metal sheet 3 are separated, the detachable effect can be realized, and the resistor can be conveniently installed according to the principle.
The outer surface of the torsion block 12 is provided with anti-slip lines. The friction between the hands of the person and the torsion block 12 can be increased, thereby helping to solve the problem that the person slips when the person rotates the torsion block 12.
Example two
1-4, A detachable metal tube resistor comprises a resistor body 1, wherein bases 2 are arranged on two sides of the resistor body 1, elastic metal sheets 3 are arranged on the opposite sides of the two bases 2, positioning pieces 5 are arranged on one sides of the elastic metal sheets 3, positioning grooves 4 are formed on two sides of the resistor body 1, the positioning pieces 5 are slidably inserted into the positioning grooves 4, a sliding groove 8 is formed in the top of the positioning pieces 5, two positioning components are arranged in the resistor body 1, and the positioning components are connected with the sliding groove 8;
The base 2 is provided with a sliding part 13 in a sliding manner, the sliding part 13 is fixedly connected with the elastic metal sheet 3, the other side of the sliding part 13 is provided with a return spring 14, the other end of the return spring 14 is connected with the base 2, a sliding cavity and a limiting opening are respectively formed in the base 2 and on one side of the base, the sliding part 13 is connected in the sliding cavity in a sliding manner, the elastic metal sheet 3 is connected in the sliding cavity and the limiting opening in a sliding manner, and two ends of the return spring 14 are respectively fixedly connected with the sliding part 13 and the inner wall of the sliding cavity.
In particular, according to the principle of the first embodiment, the resistor body 1 and the elastic metal sheet 3 can be disassembled, and in addition, when the elastic metal sheet 3 is pulled, the elastic metal sheet 3 and the sliding piece 13 can slide in the sliding cavity and compress the return spring 14, so that the positioning piece 5 slides out of the positioning groove 4, and the resistor body 1 and the elastic metal sheet 3 can be separated, thereby avoiding frequent deformation of the elastic metal sheet 3 to prevent the elastic metal sheet 3 from being restored, and being beneficial to prolonging the service life of the resistor.
Working principle:
When the resistor is used, through the cooperation of the metal tube and the resistor wire, the brake resistor can help to stop or reduce the motor by dissipating residual voltage generated by the reducing motor, when the resistor body 1 is required to be maintained or repaired, the torsion block 12 is rotated firstly, the torsion block 12 drives the screw rod 10 and the push block 11 to rotate and move, the inclined block 6 is pushed away by the positioning spring 9 due to self elasticity in the process, meanwhile, the inserting rod 7 slides out of the sliding groove 8, and then the elastic metal sheet 3 is pulled, so that the elastic metal sheet 3 and the sliding piece 13 slide in the sliding cavity and compress the reset spring 14, the positioning piece 5 slides out of the positioning groove 4, the resistor body 1 and the elastic metal sheet 3 can be separated, the detachable effect is realized, and the resistor can be conveniently installed according to the principle.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a detachable tubular metal resonator resistor, includes resistor body (1), the both sides of resistor body (1) all are provided with base (2), two one side that base (2) are relative all is provided with elastic metal piece (3), a serial communication port, one side of elastic metal piece (3) is provided with setting element (5), constant head tank (4) have all been seted up to the both sides of resistor body (1), setting element (5) slip grafting is in constant head tank (4), the top of setting element (5) is provided with spout (8), be provided with two locating component in resistor body (1), locating component is connected with spout (8).
2. The detachable metal tube resistor according to claim 1, wherein the positioning assembly comprises an inclined block (6), a positioning spring (9) and a driving assembly, the inclined block (6) is slidably arranged in the resistor body (1) and the bottom is provided with a plug rod (7), the other end of the plug rod (7) is slidably inserted in the chute (8), the positioning spring (9) is arranged at the bottom of the inclined block (6) and is connected with the resistor body (1), and the driving assembly is propped against the inclined block (6).
3. A detachable metal tube resistor according to claim 2, characterized in that the driving assembly comprises a screw (10), a push block (11) and a torsion block (12), the screw (10) is in threaded connection with one side of the resistor body (1), the torsion block (12) and the push block (11) are respectively arranged at two ends of the screw (10), and the push block (11) is propped against the inclined block (6).
4. A detachable metal tube resistor according to claim 3, characterized in that two cavities are arranged in the resistor body (1), the inclined block (6) is slidably connected in the cavities, two ends of the positioning spring (9) are fixedly connected with the inclined block (6) and the inner wall of the cavities respectively, and the push block (11) is rotatably connected in the cavities.
5. A removable metal tube resistor as claimed in claim 3, wherein the outer surface of the torsion block (12) is provided with anti-slip threads.
6. A detachable metal tube resistor according to claim 1, characterized in that a slider (13) is slidably arranged in the base (2), the slider (13) is connected with the elastic metal sheet (3), the other side of the slider (13) is provided with a return spring (14), and the other end of the return spring (14) is connected with the base (2).
7. The detachable metal tube resistor according to claim 6, wherein a sliding cavity and a limiting opening are respectively formed in the base (2) and on one side of the base, the sliding piece (13) is slidably connected in the sliding cavity, the elastic metal sheet (3) is slidably connected in the sliding cavity and the limiting opening, and two ends of the return spring (14) are fixedly connected with the sliding piece (13) and the inner wall of the sliding cavity respectively.
8. A detachable metal tube resistor according to claim 1, characterized in that the resistor body (1) comprises a metal tube and a resistance wire which is helically wound on the metal tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322356838.1U CN220895268U (en) | 2023-08-31 | 2023-08-31 | Detachable metal tube resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322356838.1U CN220895268U (en) | 2023-08-31 | 2023-08-31 | Detachable metal tube resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220895268U true CN220895268U (en) | 2024-05-03 |
Family
ID=90874404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322356838.1U Active CN220895268U (en) | 2023-08-31 | 2023-08-31 | Detachable metal tube resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220895268U (en) |
-
2023
- 2023-08-31 CN CN202322356838.1U patent/CN220895268U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220895268U (en) | Detachable metal tube resistor | |
| CN212226669U (en) | Lubricating oil filling device for oil exploitation equipment | |
| KR102562744B1 (en) | Powerless cup washer | |
| CN109755831B (en) | Multifunctional computer data line | |
| CN214897928U (en) | Power transformer | |
| CN216774593U (en) | Variable frequency power supply convenient to installation | |
| CN208174557U (en) | A kind of vehicle-mounted DC converter efficiently small in size | |
| CN112872507A (en) | Internal tapping equipment for rotary connector joint | |
| CN216903462U (en) | Power distribution socket PDU convenient to fix and used for cabinet | |
| CN215580549U (en) | Monitoring equipment for power grid optimization | |
| CN215163224U (en) | Cathode plate for copper and nickel hydrometallurgy | |
| CN114192460B (en) | Automatic cleaning device and cleaning method for electric soldering iron | |
| CN219068806U (en) | Switch board with dehumidification ventilation effect | |
| CN220930805U (en) | Electrical equipment carbon emission sensor with alarm function | |
| CN208702269U (en) | Turn axle positioning type flat lock | |
| CN211698926U (en) | Ultra-thin type projection touch capacitive screen fixing device | |
| CN211378639U (en) | Improved structure of heat conduction pipe | |
| CN218512788U (en) | Built-in radiating fin of household projector | |
| CN219421310U (en) | Sewage control cabinet | |
| CN218285265U (en) | Be used for heat exchanger maintenance auxiliary device | |
| CN219304058U (en) | Multifunctional power network bridge connector | |
| CN209072323U (en) | The frequency converter being easily installed | |
| CN217935430U (en) | Combined frequency converter | |
| CN216412965U (en) | Screw rod dismouting subassembly of direct current contactor | |
| CN218182008U (en) | Square integrated into one piece plug-in components inductance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |