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CN-224217372-U - High-performance clip type auxiliary switch

CN224217372UCN 224217372 UCN224217372 UCN 224217372UCN-224217372-U

Abstract

A high-performance clip type auxiliary switch belongs to the technical field of auxiliary switches. The utility model comprises a front mounting plate, a front cover plate, a plurality of identical substrate units, a rear cover plate and a rear mounting plate which are sequentially connected through countersunk head long screws, and a driving shaft which passes through the middle parts of the front mounting plate, the front cover plate, the substrate units, the rear cover plate and the rear mounting plate simultaneously, wherein each substrate unit comprises an upper substrate and a lower substrate which are identical, each substrate is provided with two movable contact pieces, two static contact pieces and a shaft gasket, the middle part of the substrate is provided with a magnetic block mounting groove, a magnetic block is arranged in the magnetic block mounting groove of the substrate on which each substrate unit is positioned, and the four movable contact pieces and the two shaft gaskets of each substrate unit are riveted by brass rivets. The utility model can effectively improve the current capacity and the instantaneous on-off stability of the contact, has an efficient magnetic blowing function and 360-degree time sequence switching capacity, and has an accurate indication function.

Inventors

  • GE YIJUN
  • LI HAIFENG
  • HUANG BOJIAN
  • WANG HANQIANG
  • CONG HUAXIN
  • ZHANG CHAO
  • ZHANG GONGJIAN

Assignees

  • 沈阳隆迪电器设备有限公司

Dates

Publication Date
20260508
Application Date
20250718

Claims (10)

  1. 1. The utility model provides a high performance clamping piece formula auxiliary switch, includes preceding mounting panel (2), front bezel (3), a plurality of same base plate unit (4), back shroud (5) and back mounting panel (6) that connect gradually through countersunk head long screw (1), and pass simultaneously preceding mounting panel (2) front bezel (3) base plate unit (4) back shroud (5) and drive shaft (7) at back mounting panel (6) middle part, drive shaft (7) are square shaft, drive shaft (7) tip with the square hole of tip axle sleeve (29) at back mounting panel (6) middle part is connected, front bezel (3) with all be connected with outer hexagon bolt (8) on back shroud (5), outer hexagon bolt (8) head corresponds sunk in front bezel (3) with in the hexagonal counter bore of back shroud (5), the threaded rod of outer hexagon bolt (8) corresponds to pass preceding mounting panel (2) with back mounting panel (6) through-hole department and expose before (2) and back mounting panel (6) base plate (4), two base plates (9) are located on each base plate (9) are identical, two base plates (10) are located on each one side respectively, two base plates (9) are identical Two static contact pieces (11) and a shaft gasket (12), every base plate (9) all are provided with the installation spacing groove (13) of static contact piece (11), and base plate (9) middle part is provided with magnetic path mounting groove (14), every base plate unit (4) are located the top be provided with magnetic path (15) in magnetic path mounting groove (14) of base plate (9), magnetic path (15) are installed near crescent moon position (16) outside of static contact piece (11), every four of base plate unit (4) moving contact piece (10) and two shaft gasket (12) are riveted by brass rivet (17) jointly, four moving contact piece (10) are with opposite placed two shaft gasket (12) clamp in the centre and be located behind the center round hole of base plate (9) the inside little laminating of shaft gasket (12), and the outside between the two is greater than base plate unit (9) the outside is in the distance between the outside of moving contact piece (10) can be in moving contact piece (7) the center of rotation of round hole (7) is in the boss (7) the center of the round hole of the boss (7) is driven.
  2. 2. The high-performance clamp type auxiliary switch according to claim 1, wherein an opening and closing position mark (19) is arranged near a center hole of the front mounting plate (2), an indication shaft sleeve (20) is arranged between the front mounting plate (2) and the front cover plate (3), a small round table on the upper portion of the indication shaft sleeve (20) extends out of the center hole of the front mounting plate (2), a square hole matched with the driving shaft (7) is arranged in the middle of the indication shaft sleeve (20), the indication shaft sleeve (20) is driven to rotate through the driving shaft (7), and indication scale marks (21) matched with the opening and closing position mark (19) are arranged on the upper surface of the indication shaft sleeve (20).
  3. 3. The high-performance clamp-type auxiliary switch according to claim 2, wherein the bottom side of the indicating shaft sleeve (20) is concave, a pin groove (22) is formed in the concave surface, a cylindrical pin (23) matched with the pin groove (22) is inserted into the driving shaft (7), and after the indicating shaft sleeve (20) is sleeved on the driving shaft (7), the cylindrical pin (23) is sunk into the pin groove (22).
  4. 4. A high performance clamp-type auxiliary switch as claimed in claim 3, wherein the indication sleeve (20) is provided with a flat washer (24) in a concave portion, and the flat washer (24) presses against the inner surface of the indication sleeve (20) to prevent the cylindrical pin (23) from coming out of the pin groove (22).
  5. 5. A high-performance clamp-type auxiliary switch according to claim 4, wherein the sum of the thickness of the large truncated cone at the lower part of the indicating shaft sleeve (20) and the thickness of the flat washer (24) is smaller than the depth of the central hole of the front cover plate (3).
  6. 6. The high-performance clamp-type auxiliary switch according to claim 2, wherein a notch (25) is formed in the side of the front cover plate (3), an angle indication mark (26) is arranged at the notch (25), and angle scale marks (27) corresponding to the angle indication mark (26) are arranged on the side surface of the indication shaft sleeve (20).
  7. 7. A high-performance clamp-on auxiliary switch according to claim 6, characterized in that the front cover plate (3) is provided with cooperating transparent dust-proof blocks (28) at the gap (25).
  8. 8. A high performance clamp auxiliary switch according to claim 1, characterized in that the distance between the outer large circular truncated cones of the two shaft pads (12) minus the depth of the central circular hole of the base plate (9) is 0.05-0.1mm.
  9. 9. The high-performance clamp-type auxiliary switch according to claim 1, wherein the movable contact (10) is made of C194 iron copper.
  10. 10. A high performance clamp type auxiliary switch according to claim 1, characterized in that the magnet (15) is mounted at a position 2.05-2.25mm from the outer side of the crescent (16) of the stationary contact (11).

Description

High-performance clip type auxiliary switch Technical Field The utility model belongs to the technical field of auxiliary switches, and particularly relates to a high-performance clamping piece type auxiliary switch. Background The working principle of the conventional clip type auxiliary switch is that two elastic sheets made of phosphor bronze are riveted together to form a movable contact clip, two brass static contacts are clamped at two ends of the movable contact clip at the same time, contact connection is realized, and different on-off angle time sequences are realized by replacing static contacts with different angle types. The conventional clip auxiliary switch has the following defects of insufficient current capacity, large contact resistance of contacts, too simple structural design, insufficient critical dimension point limit, easy initiation of bouncing signals due to instantaneous vibration of on-off, misjudgment of a client background intelligent system, no reserved magnetic arc-extinguishing function point, insufficient structural design flexibility, usually only time sequence switching within 90 degrees can be realized on the premise of unchanged product volume, the practical application range of the switch is limited, the conventional angle indication function is too fuzzy, and the accuracy of a using square angle cannot be effectively prompted. Disclosure of utility model The utility model aims at the problems, overcomes the defects of the prior art, provides the high-performance clamp type auxiliary switch, can effectively improve the current capacity and the instant stability of the on-off of the contact, has an efficient magnetic blowing function and 360-degree time sequence switching capacity, and has an accurate indication function. In order to achieve the above purpose, the present utility model adopts the following technical scheme. The utility model provides a high-performance clamp type auxiliary switch, which comprises a front mounting plate, a front cover plate, a plurality of identical substrate units, a rear cover plate and a rear mounting plate which are sequentially connected through countersunk head long screws, and a driving shaft which simultaneously passes through the front mounting plate, the front cover plate, the substrate units, the rear cover plate and the middle part of the rear mounting plate, wherein the driving shaft is a square shaft, the end part of the driving shaft is connected with a square hole of an end shaft sleeve in the middle part of the rear mounting plate, the front cover plate and the rear cover plate are both connected with outer hexagon bolts, the heads of the outer hexagon bolts correspondingly sink into hexagon countersinks of the front cover plate and the rear cover plate, threaded rods of the outer hexagon bolts correspondingly pass through holes of the front mounting plate and the rear mounting plate and are exposed outside the front mounting plate and the rear mounting plate, each substrate unit comprises an upper substrate and a lower substrate which are the same, each substrate is provided with two movable contact sheets, two static contact sheets and a shaft gasket, each substrate is provided with a limiting groove for installing the static contact sheets, the middle part of the substrate is provided with a magnetic block installing groove, each substrate unit is positioned above the substrate, a magnetic block is arranged in the magnetic block installing groove of the substrate, the magnetic block is installed near the arc-drawing position at the outer side of the crescent part of the static contact sheets, each substrate unit is riveted by a brass rivet together with the four movable contact sheets, the two shaft gaskets which are oppositely placed are clamped in the middle and are positioned in a central round hole of the substrate, the inner sides of the two shaft gaskets are small and tightly attached after being riveted, the distance between the outer sides of the two shaft gaskets is larger than the depth of the central round hole of the substrate, the center of the movable contact piece is provided with a sawtooth round hole, the movable contact piece is matched with an insulating shaft sleeve sleeved on the outer side of the driving shaft, and the movable contact piece can rotate 360 degrees in the substrate unit under the driving of the driving shaft. Further, the front mounting plate is provided with a switching-on and switching-off position mark near the centre hole, the front mounting plate with be provided with the instruction axle sleeve between the front cover plate, little round platform on instruction axle sleeve upper portion is followed the centre hole of front mounting plate stretches out, the middle part of instructing the axle sleeve be provided with drive shaft complex square hole drives through the drive shaft instruct the axle sleeve to rotate, instruct the axle sleeve upper surface be provided with switching