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CN-224216014-U - Electrode gap detection device for automobile spark plug

CN224216014UCN 224216014 UCN224216014 UCN 224216014UCN-224216014-U

Abstract

The utility model relates to the technical field of spark plug production detection, and discloses an electrode gap detection device of an automobile spark plug, which comprises a detection table, wherein a movable seat is fixedly arranged on the right side of the top of the detection table, a clamping assembly is arranged on the top of the movable seat, the clamping assembly comprises a fixed block, a clamping interface is arranged on the top of the fixed block, a supporting frame is fixedly arranged on the top of the clamping interface, an inserting interface is arranged on the top of the supporting frame, a sliding column is slidably arranged in the inserting interface, an arc-shaped clamping block is arranged at the bottom of the sliding column, and an extrusion spring is arranged on the top of the arc-shaped clamping block. According to the automobile spark plug electrode gap detection device, the spark plug is clamped and limited to the top of the fixed block, the gap between the spark plug center electrode and the side electrode corresponds to the measuring caliper, the rotating arm drives the measuring caliper to rotate and insert into the middle of the spark plug center electrode and the side electrode, and the gap between the center electrode and the side electrode is measured and detected.

Inventors

  • Tang Shenggong
  • ZHENG CHANGXIN
  • LIAO SHUYI

Assignees

  • 湖南英卓智能装备有限公司

Dates

Publication Date
20260508
Application Date
20250521

Claims (10)

  1. 1. The electrode gap detection device for the automobile spark plug comprises a detection table (1), wherein a supporting seat (11) is fixedly arranged on the left side of the top of the detection table (1), and is characterized in that a measurement assembly (2) is arranged on the top of the supporting seat (11), a movable seat (3) is fixedly arranged on the right side of the top of the detection table (1), and a clamping assembly (4) is arranged on the top of the movable seat (3); The clamping assembly (4) comprises a fixed block (401), a clamping opening (402) is formed in the top of the fixed block (401), a supporting frame (403) is fixedly arranged at the top of the clamping opening (402), an inserting opening is formed in the top of the supporting frame (403), a sliding column (404) is slidably arranged in the inserting opening, an arc clamping block (405) is fixedly arranged in the bottom of the sliding column (404) penetrating through the supporting frame (403), an extrusion spring (406) is arranged at the top of the arc clamping block (405), and a lifting block (407) is fixedly arranged at the top of the sliding column (404).
  2. 2. The device for detecting the electrode gap of the automobile spark plug according to claim 1, wherein the extrusion spring (406) is sleeved on the outer surface of the sliding column (404), and the top end of the extrusion spring (406) is mounted on the top of the inner wall of the supporting frame (403).
  3. 3. The device for detecting the electrode gap of the automobile spark plug according to claim 2, wherein the sliding groove (31) is formed in the top of the movable seat (3), a sliding block (32) is connected inside the sliding groove (31) in a sliding mode, a threaded rod (33) is rotatably installed on the front face of the sliding block (32), and the front face of the threaded rod (33) penetrates through the sliding groove (31) and extends to the outside of the movable seat (3).
  4. 4. The device for detecting the electrode gap of the automobile spark plug according to claim 3, wherein the sliding block (32) is arranged at the bottom of the fixed block (401) and is used for driving the fixed block (401) to move back and forth in the sliding groove (31).
  5. 5. The device for detecting the electrode gap of the automobile spark plug according to claim 4, wherein the spark plug body (5) is installed in the clamping interface (402), and the arc-shaped clamping block (405) is arranged on the top of the outer surface of the spark plug body (5).
  6. 6. The device for detecting the electrode gap of the automobile spark plug of claim 1, wherein the measuring assembly (2) comprises a connecting block (201), an installation opening is formed in the top of the connecting block (201), a rotating arm (202) is rotatably installed in the installation opening, a rotating interface is formed in the right side of the rotating arm (202), a rotating shaft (203) is installed in the rotating interface, and a measuring caliper (204) is rotatably sleeved on the outer surface of the rotating shaft (203).
  7. 7. The device for detecting the electrode gap of the automobile spark plug according to claim 6, wherein a plurality of measuring calipers (204) are arranged, and the surfaces of the plurality of measuring calipers (204) located on the rotating shaft (203) are distributed in a linear array.
  8. 8. The device for detecting the electrode gap of the automobile spark plug according to claim 1, wherein a hole (101) is formed in the top of the supporting seat (11), a collar (102) is fixedly arranged at the top of the hole (101), a return spring (103) is arranged at the bottom of the hole (101), a plug-in column (104) is arranged at the top of the return spring (103), and a pressing block (105) is fixedly arranged at the top of the plug-in column (104).
  9. 9. The device for detecting the electrode gap of the automobile spark plug according to claim 8, wherein the plug-in post (104) is arranged inside the collar (102), and the pressing block (105) is arranged at the bottom of the rotating arm (202).
  10. 10. The device for detecting the electrode gap of the automobile spark plug according to claim 6, wherein a limiting block (6) is fixedly arranged at the bottom of the right side of the rotating arm (202), and the limiting block (6) is arranged at the bottom of the measuring caliper (204).

Description

Electrode gap detection device for automobile spark plug Technical Field The utility model relates to the technical field of spark plug production detection, in particular to an electrode gap detection device of an automobile spark plug. Background The automobile spark plug is a key component in an ignition system of an engine, and mainly aims to generate electric sparks at the end of a compression stroke to ignite combustible gas mixture in a combustion chamber so that the engine can normally operate. The spark plug generally comprises a center electrode, a side electrode, an insulator and a metal shell, when the spark plug works, an ignition system inputs high voltage to the center electrode of the spark plug, a certain gap exists between the center electrode and the side electrode, the high voltage can ionize gas in the gap to form a conductive channel, so that electric sparks are generated, combustible mixed gas in a combustion chamber is ignited, certain specification requirements are required for the gap between the center electrode and the side electrode, and after the spark plug is produced, the distance between the center electrode and the side electrode of the spark plug needs to be measured and detected through a detection device. The prior art general caliper measures and detects the gap between the center electrode and the side electrode, the caliper is required to be aligned with the side electrode and the center electrode during detection, the detection efficiency is low, the measurement result is inaccurate when the caliper is in butt joint, and the detection judgment of the spark plug is affected, so that an automobile spark plug electrode gap detection device is provided to solve the problems in the background. Disclosure of utility model The utility model provides an electrode gap detection device for an automobile spark plug, which can solve the problems that the existing caliper is low in gap measurement efficiency between a center electrode and a side electrode, and the caliper is not easy to align, so that a measurement result is inaccurate. In order to solve the technical problems, the utility model provides the following technical scheme: The electrode gap detection device for the automobile spark plug comprises a detection table, wherein a supporting seat is fixedly arranged on the left side of the top of the detection table, a measurement assembly is arranged on the top of the supporting seat, a movable seat is fixedly arranged on the right side of the top of the detection table, and a clamping assembly is arranged on the top of the movable seat; The clamping assembly comprises a fixed block, a clamping opening is formed in the top of the fixed block, a supporting frame is fixedly arranged at the top of the clamping opening, an inserting opening is formed in the top of the supporting frame, a sliding column is slidably arranged in the inserting opening, an arc-shaped clamping block is fixedly arranged in the sliding column in a penetrating mode through the bottom of the supporting frame, an extrusion spring is arranged at the top of the arc-shaped clamping block, and a lifting block is fixedly arranged at the top of the sliding column. Preferably, the extrusion spring is sleeved on the outer surface of the sliding column, and the top end of the extrusion spring is arranged at the top of the inner wall of the supporting frame. Preferably, the sliding tray is provided at the top of the movable seat, the sliding block is slidingly connected in the sliding tray, the front surface of the sliding block is rotatably provided with a threaded rod, and the front surface of the threaded rod penetrates through the sliding tray and extends to the outside of the movable seat. Preferably, the sliding block is arranged at the bottom of the fixed block and used for driving the fixed block to move back and forth in the sliding groove. Preferably, the spark plug body is arranged in the clamping interface, and the arc-shaped clamping block is arranged at the top of the outer surface of the spark plug body. Preferably, the measuring assembly comprises a connecting block, a mounting port is formed in the top of the connecting block, a rotating arm is rotatably mounted in the mounting port, a rotating port is formed in the right side of the rotating arm, a rotating shaft is mounted in the rotating port, and a measuring caliper is rotatably sleeved on the outer surface of the rotating shaft. Preferably, the measuring calipers are arranged in a plurality, and the outer surfaces of the measuring calipers positioned on the rotating shaft are distributed in a linear array. Further, the plurality of measuring calipers are sleeved on the outer surface of the rotating shaft, and the distance between the central electrode and the side electrode of the spark plug body can be measured according to the number of the measuring calipers which rotate in a rotating mode according to the distance between the central ele