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CN-224201005-U - Positive and negative pin sliding shaft caliper assembly

CN224201005UCN 224201005 UCN224201005 UCN 224201005UCN-224201005-U

Abstract

The utility model relates to the field of brakes and discloses a positive and negative pin sliding shaft caliper assembly which comprises a caliper body, a mounting bracket, a main sliding shaft and an auxiliary sliding shaft, wherein a main sliding shaft mounting hole and a mounting through hole are respectively formed in two sides of the caliper body, a bracket threaded hole and an auxiliary sliding shaft mounting hole are respectively formed in two sides of the mounting bracket, the top end of the main sliding shaft extends into the main sliding shaft mounting hole of the caliper body, a threaded hole is formed in the top end of the auxiliary sliding shaft and penetrates through the auxiliary sliding shaft mounting hole of the mounting bracket, the top end of the auxiliary sliding shaft is fixed with the caliper body through an auxiliary sliding shaft mounting bolt, the auxiliary sliding shaft mounting bolt penetrates through the mounting through hole and is in threaded connection with the threaded hole, and the bottom ends of the auxiliary sliding shafts extend into the auxiliary sliding shaft mounting hole.

Inventors

  • Zhu Junze
  • FU LEJUN
  • FU ZHANPENG

Assignees

  • 浙江力邦合信智能制动系统股份有限公司

Dates

Publication Date
20260505
Application Date
20260403
Priority Date
20260320

Claims (10)

  1. 1. The utility model provides a positive and negative round pin sliding shaft calliper assembly which characterized in that includes The two sides of the clamp body (13) are respectively provided with a main sliding shaft mounting hole (134) and a mounting through hole (133); The mounting bracket (11), two sides of the mounting bracket (11) are respectively provided with a bracket threaded hole (112) and a pair of sliding shaft mounting holes (114); The main sliding shaft (15), the bottom end of the main sliding shaft (15) is provided with an external thread (152), the bottom end of the main sliding shaft (15) is in threaded connection with the bracket threaded hole (112) through the external thread (152), and the top end of the main sliding shaft extends into the main sliding shaft mounting hole (134) of the clamp body (13) and slides relative to the main sliding shaft mounting hole (134) in a working state; The top end of the auxiliary sliding shaft (14) is provided with a threaded hole (141) which is penetrated into an auxiliary sliding shaft mounting hole (114) of the mounting bracket (11), the top end of the auxiliary sliding shaft (14) is fixed with the clamp body (13) through an auxiliary sliding shaft mounting bolt (10), the auxiliary sliding shaft mounting bolt (10) penetrates through the mounting through hole (133) and is in threaded connection with the threaded hole (141), and the bottom end of the auxiliary sliding shaft (14) stretches into the auxiliary sliding shaft mounting hole (114) and slides relative to the auxiliary sliding shaft mounting hole (114) in a working state; the caliper assembly guides the movement of the caliper body (13) through the sliding fit of the main sliding shaft (15) and the caliper body (13) and the auxiliary sliding shaft (14) and the mounting bracket (11) in a working state, so that a positive and negative pin structure is formed.
  2. 2. The positive and negative pin sliding axle caliper assembly according to claim 1, characterized in that the top of the main sliding axle (15) is provided with an internal polygonal hole or polygonal boss (151) for torque transmission during assembly.
  3. 3. The positive and negative pin sliding shaft caliper assembly according to claim 1, characterized in that the main sliding shaft (15) is provided with a main sliding shaft air vent groove (153), the main sliding shaft air vent groove (153) being arranged at least at a portion of the main sliding shaft (15) extending into the caliper body (13).
  4. 4. The positive and negative pin sliding shaft caliper assembly according to claim 1, characterized in that the secondary sliding shaft (14) is provided with a secondary sliding shaft air discharge groove (143), the secondary sliding shaft air discharge groove (143) being arranged at least at a portion of the secondary sliding shaft (14) extending into the mounting bracket (11).
  5. 5. The positive and negative pin sliding shaft caliper assembly according to claim 1, characterized in that the top of the caliper body (13) is provided with a dust cap mounting groove (132), and a main sliding shaft dust cap (12) is mounted in the dust cap mounting groove (132).
  6. 6. The positive and negative pin sliding shaft caliper assembly according to claim 1 or 5, characterized in that the mounting bracket (11) is provided with a sliding shaft positioning counter bore (115) for positioning and mounting the main sliding shaft (15) at one side of the main sliding shaft (15), and the top of the sliding shaft positioning counter bore (115) is provided with a main sliding shaft dust cover flanging mounting groove (111).
  7. 7. The positive and negative pin sliding shaft caliper assembly according to claim 6, characterized in that a main sliding shaft embedded dust cover mounting groove (131) is formed in the bottom of the caliper body (13), a main sliding shaft dust cover (17) is mounted in the main sliding shaft embedded dust cover mounting groove (131), the bottom of the main sliding shaft dust cover (17) is mounted in a main sliding shaft dust cover flanging mounting groove (111), and the top end of the main sliding shaft dust cover (17) is clamped in the main sliding shaft embedded dust cover mounting groove (131) of the caliper body (13).
  8. 8. The positive and negative pin sliding shaft caliper assembly according to claim 1, wherein the auxiliary sliding shaft (14) is provided with an auxiliary sliding shaft dust cover mounting groove (142), the outer peripheral surface of the auxiliary sliding shaft (14) is provided with an auxiliary sliding shaft rubber sleeve mounting groove (144), an auxiliary sliding shaft rubber sleeve (18) is mounted in the auxiliary sliding shaft rubber sleeve mounting groove (144), and the peripheral surface of the auxiliary sliding shaft rubber sleeve (18) is in contact with the hole wall of the auxiliary sliding shaft mounting hole (114).
  9. 9. The positive and negative pin sliding shaft caliper assembly according to claim 1, characterized in that the top of one side of the mounting bracket (11) for mounting the auxiliary sliding shaft (14) is provided with an auxiliary sliding shaft dust cover embedded mounting groove (113), the auxiliary sliding shaft dust cover (16) is mounted in the auxiliary sliding shaft dust cover embedded mounting groove (113), the bottom end of the auxiliary sliding shaft dust cover (16) is positioned in the auxiliary sliding shaft dust cover embedded mounting groove (113), and the top end of the auxiliary sliding shaft dust cover (16) is clamped in the auxiliary sliding shaft dust cover mounting groove (142).
  10. 10. The positive and negative pin sliding axle caliper assembly of claim 1, further comprising a friction plate assembly (19) and a bracket reed (20), the friction plate assembly (19) and bracket reed (20) being mounted to the mounting bracket (11).

Description

Positive and negative pin sliding shaft caliper assembly Technical Field The utility model relates to the field of brakes, in particular to a positive and negative pin sliding shaft caliper assembly. Background Currently, brake calipers are used as a core component of a vehicle brake system, and a sliding shaft of the brake calipers is a key structure for guaranteeing braking performance. The main stream brake caliper assembly in the market generally has the following problems in structural design that the mass center position of the caliper assembly is not in the effective supporting range of the sliding shaft, so that the situation that the dragging moment and the sliding resistance are large is easily caused during working, and after the caliper assembly is installed, the installation bolt of the sliding shaft is in an exposed state, so that potential safety hazards caused by malicious disassembly and damage exist. Along with the continuous development of the automobile electric and automatic driving technologies, the existing hydraulic brake calipers are developed towards the direction of the electronic brake calipers, and the electronic brake calipers are stressed radially at the same position in the sliding process due to the fact that the motor is heavy, so that the problem of sliding shaft breakage easily occurs in the vibration endurance process. There is a need for a caliper assembly that has high stability and good brake system performance. Disclosure of utility model The utility model provides a positive and negative pin sliding shaft caliper assembly aiming at the defects in the prior art. The utility model solves the technical problems by the following technical scheme: The caliper assembly of the front and back pin sliding shaft comprises a caliper body, a mounting bracket, a main sliding shaft and an auxiliary sliding shaft, wherein a main sliding shaft mounting hole and a mounting through hole are respectively formed in two sides of the caliper body, and a bracket threaded hole and an auxiliary sliding shaft mounting hole are respectively formed in two sides of the mounting bracket. The bottom end of the main sliding shaft is provided with external threads, the bottom end of the main sliding shaft is in threaded connection with the support threaded hole through the external threads, the top end of the main sliding shaft extends into a main sliding shaft mounting hole of the clamp body, and the main sliding shaft mounting hole slides relatively under the working state; The top of the auxiliary sliding shaft is provided with a threaded hole, the threaded hole penetrates through an auxiliary sliding shaft mounting hole of the mounting bracket, the top of the auxiliary sliding shaft is fixed with the clamp body through an auxiliary sliding shaft mounting bolt, the auxiliary sliding shaft mounting bolt penetrates through the mounting through hole and is in threaded connection with the threaded hole, and the bottom of the auxiliary sliding shaft stretches into the auxiliary sliding shaft mounting hole and slides relative to the auxiliary sliding shaft mounting hole under the working state. Through the positive and negative pin structure of main sliding shaft and support threaded connection, vice sliding shaft and pincers body bolted connection, realize that calliper assembly barycenter is in the effective supporting range of sliding shaft, hide the mounting bolt simultaneously, solve and drag big, the potential safety hazard problem. Preferably, the caliper assembly guides the movement of the caliper body through the sliding fit of the main sliding shaft and the caliper body and the sliding fit of the auxiliary sliding shaft and the mounting bracket in the working state, so that dislocation guiding of the two sliding shafts which are in opposite directions and are not on the same axis is formed, and a positive and negative pin structure is formed. Preferably, the top of the main sliding shaft is provided with an inner polygonal hole or polygonal boss for torque transmission during assembly. And due to the design of the inner polygonal hole or the polygonal boss, torque transmission during assembly of the main sliding shaft is facilitated, and assembly efficiency is improved. Preferably, the main sliding shaft is provided with a main sliding shaft air exhaust groove, and the main sliding shaft air exhaust groove is at least arranged at a part of the main sliding shaft extending into the clamp body. The exhaust groove structure can exhaust air in the sliding pair in a working state, so that dragging torque is further reduced. Preferably, the auxiliary sliding shaft is provided with an auxiliary sliding shaft air exhaust groove, and the auxiliary sliding shaft air exhaust groove is at least arranged at a part of the auxiliary sliding shaft extending into the mounting bracket. Preferably, a dust cap mounting groove is formed in the top of the pliers body, and a main sliding shaft dust cap is mounted