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CN-224231887-U - Pressure-resistant detection device for miniature commutator

CN224231887UCN 224231887 UCN224231887 UCN 224231887UCN-224231887-U

Abstract

The utility model discloses a miniature commutator pressure-resistant detection device which comprises a workbench, wherein a commutator fixing device and a pressure-resistant detection instrument are arranged on the upper side of the workbench, the commutator fixing device comprises a bottom plate arranged at the front part of the workbench, a fixing seat and a mounting bracket are fixedly arranged on the upper side of the bottom plate, an insulating seat is inserted into the upper part of the fixing seat, an inner cavity with an open upper end is arranged on the insulating seat, a spring piece is arranged in the inner cavity, a product mandrel is inserted into the bottom of the insulating seat, the bottom of the product mandrel is connected with the pressure-resistant detection instrument through a wire, an insulating material pressing head is arranged above the product mandrel in an up-down lifting manner, a guide sliding shaft is vertically arranged at the upper end of the insulating material pressing head, and a disc is fixedly arranged on the upper side of the guide sliding shaft. The utility model can solve the problems of low efficiency and inaccurate detection data caused by adopting manual test when the existing miniature commutator is in a research and development stage or has less yield.

Inventors

  • GUO RUI
  • LI JUANJUAN
  • PAN RONGZHENG

Assignees

  • 华瑞电器股份有限公司

Dates

Publication Date
20260512
Application Date
20250427

Claims (10)

  1. 1. The miniature commutator withstand voltage detection device comprises a workbench (1), wherein a commutator fixing device (20) and a withstand voltage detection instrument (11) are arranged on the upper side of the workbench (1), and the miniature commutator withstand voltage detection device is characterized in that the commutator fixing device (20) comprises a bottom plate (2) arranged at the front part of the workbench (1), a fixing seat (3) and a mounting bracket (15) are fixedly arranged on the upper side of the bottom plate (2), an insulating seat (4) is inserted into the upper part of the fixing seat (3), an inner cavity with an open upper end is formed in the insulating seat (4), a spring piece (5) is arranged in the inner cavity, the spring piece (5) is connected with the withstand voltage detection instrument (11) through a wire, a product mandrel (6) for fixing a miniature commutator (16) is inserted into the bottom of the insulating seat (4), the upper end of the product mandrel (6) passes through the spring piece (5) and is connected with the withstand voltage detection instrument (11) through a wire; the insulation pressing head (7) can be arranged right above the product mandrel (6) in a lifting manner, a guide sliding shaft (14) is vertically arranged at the upper end of the insulation pressing head (7), the guide sliding shaft (14) penetrates through the mounting bracket (15), a disc (10) is fixedly arranged at the upper side of the guide sliding shaft (14), and the disc (10) is connected with the pressure-resistant detection instrument (11) through a wire; The probe seat (13) is arranged on one side of the upper end of the mounting bracket (15), a probe (12) is arranged on the upper portion of the probe seat (13), the probe (12) is connected with the pressure-resistant detection instrument (11) through a wire, when the disc (10) is in contact with the probe (12), the circuit is communicated to send out a signal, and the pressure-resistant detection instrument (11) conducts electricity to the micro commutator (16) for the product mandrel (6) and the spring piece (5).
  2. 2. The miniature commutator withstand voltage detection device according to claim 1, characterized in that a positioning hole (51) is arranged at the center of the spring piece (5), and a plurality of first grooves (52) are arranged on the outer side of the positioning hole (51) along the circumferential direction.
  3. 3. The miniature commutator pressure-resistant detection device according to claim 1, wherein a bearing (8) which is in sliding connection with the guide sliding shaft (14) is fixedly arranged at the front part of the upper end of the mounting bracket (15).
  4. 4. The micro-commutator pressure-resistant detection device according to claim 1, wherein the probe seat (13) is fixed on the mounting bracket (15) through a mounting plate (17).
  5. 5. The micro-commutator pressure-resistant detection device as claimed in claim 4, wherein the mounting plate (17) is provided with a second elongated slot (171), and bolts pass through the second slot (171) to fix the mounting plate (17) on the mounting bracket (15).
  6. 6. The miniature commutator pressure-resistant detection device according to claim 1, wherein a spring (9) is sleeved on a guide sliding shaft (14) between the disc (10) and the mounting bracket (15).
  7. 7. The micro-commutator pressure-resistant detection device according to claim 1, wherein a limit screw (18) is provided at the upper front part of the mounting bracket (15).
  8. 8. The miniature commutator withstand voltage detection device according to claim 1, wherein a third slot (31) is arranged at the bottom of the fixed seat (3).
  9. 9. The miniature commutator withstand voltage detection device according to claim 1, characterized in that a mounting hole (71) matched with the guiding sliding shaft (14) is arranged on the upper side of the insulating material pressing head (7), a avoidance hole (72) is arranged on the lower side of the mounting hole (71), and a protrusion (73) is arranged at the upper end of the insulating material pressing head (7).
  10. 10. The miniature commutator withstand voltage detection device according to claim 1, wherein a step (41) is arranged in the inner cavity of the insulating seat (4), and the spring piece (5) is fixed on the step (41) through a bolt.

Description

Pressure-resistant detection device for miniature commutator Technical Field The utility model relates to the technical field of commutator detection, in particular to a miniature commutator withstand voltage detection device. Background The miniature commutator is used as a key component in the motor, and the voltage resistance of the miniature commutator is directly related to the operation stability and safety of the motor. With the wide application of micro-motors in various fields, such as toys, household appliances, medical equipment, etc., the performance requirements for micro-commutators are also increasing. In the production process, the pressure-resistant detection of the miniature commutator is an important link for ensuring the quality of products. When the miniature commutator is in a research and development stage or the yield is low, manual testing is generally adopted, the manual testing is complicated, the commutator is displaced or swayed due to unstable operation in the detection process, the detection data is inaccurate, and the efficiency is low. Therefore, a miniature commutator withstand voltage detection device is developed to meet the current use requirements. Disclosure of utility model The utility model provides a pressure-resistant detection device for a miniature commutator, which can solve the problems of low efficiency and inaccurate detection data caused by manual testing when the traditional miniature commutator is in a research and development stage or has less yield. The miniature commutator pressure-resistant detection device comprises a workbench, wherein a commutator fixing device and a pressure-resistant detection instrument are arranged on the upper side of the workbench, the commutator fixing device comprises a bottom plate arranged at the front part of the workbench, a fixing seat and a mounting bracket are fixedly arranged on the upper side of the bottom plate, an insulating seat is inserted into the upper part of the fixing seat, an inner cavity with an open upper end is arranged on the insulating seat, a spring piece is arranged in the inner cavity, the bottom of the miniature commutator is in contact with the spring piece, the spring piece is connected with the pressure-resistant detection instrument through a wire, a product mandrel for fixing the miniature commutator is inserted into the bottom of the insulating seat, the upper end of the product mandrel passes through the spring piece, the bottom of the product mandrel is connected with the pressure-resistant detection instrument through the wire, an insulating material pressing head can be arranged right above the product mandrel in an up-down lifting manner, a guide sliding shaft is vertically arranged at the upper end of the insulating material pressing head, the guide sliding shaft passes through the mounting bracket, a disc is fixedly arranged on the upper side of the guide sliding shaft, the guide sliding shaft is connected with the spring piece through the wire, the pressure-resistant detection instrument is connected with the pressure-resistant detection instrument through the wire, and the pressure-resistant detection instrument is accurately arranged on one side of the pressure-resistant detection instrument through the spring piece, and the pressure-resistant detection instrument is connected with the pressure-resistant detection instrument through the wire, and the pressure-resistant detection instrument when the pressure-resistant detection instrument is in a stable state, and the pressure-resistant detection instrument is connected with the pressure-resistant detector. As a supplement to the technical scheme of the utility model, a positioning hole is arranged at the center of the spring piece, a plurality of first grooves are formed in the outer side of the positioning hole along the circumferential direction, the first grooves are in a strip shape, when the miniature commutator receives downward acting force, the spring piece can generate deformation because of the first grooves, the bottom of the miniature commutator is positioned in the positioning hole, and each commutator bar of the miniature commutator can be ensured to be contacted with the spring piece. As a supplement to the technical scheme of the utility model, the front part of the upper end of the mounting bracket is fixedly provided with a bearing which is in sliding connection with the guide sliding shaft, and the bearing improves the stability of the up-and-down movement of the guide sliding shaft. As a supplement to the technical scheme of the utility model, the probe seat is fixed on the mounting bracket through the mounting plate, and the probe seat has a simple structure and is convenient to mount. As a supplement to the technical scheme of the utility model, the mounting plate is provided with a strip-shaped second slot, and the bolt passes through the second slot to fix the mounting plate on the mounting bracket, so that