CN210484470U - Brake piston with multiple-stage damping structure - Google Patents

Abstract

The utility model discloses a take multiple hierarchical shock-absorbing structure's brake piston, including piston body and brake pads, fixedly connected with connecting rod between the edge of piston body and brake pads, the inside sliding connection of piston body has first buffer block, the inside sliding connection of brake pads has the second buffer block, fixedly connected with buffer beam between first buffer block and the second buffer block, fixedly connected with fixed plate between the connecting rod, the marginal fixedly connected with slide bar of second buffer block upper surface, the utility model relates to a brake piston technical field. The piston and the brake block in the brake piston with the multiple-grading damping structure are provided with the fixed connecting structure and the sliding buffer structure, the buffer protection function can be realized under the stable connection condition, and when the piston and the brake block are impacted, the buffer structure can weaken the acting force of the whole device, so that the device is protected.

Description

Brake piston with multiple-stage damping structure

Technical Field

The utility model relates to a brake piston technical field specifically is a take multiple hierarchical shock-absorbing structure's brake piston.

Background

The disc brake is one kind of disc brake, its rotating element is a metal disc with end face working, called brake disc, the fixed element is a brake block composed of friction block with small working area and its metal back plate, there are 2-4 brake blocks in each brake, these brake blocks and their actuating devices are all installed in the clamp-shaped support across the two sides of the brake disc, called brake caliper, the brake disc and the brake caliper together form the caliper disc brake, in the brake caliper, it needs to use hydraulic pressure to drive the piston to drive the motion of the brake block.

The existing brake piston has a single structure, in order to keep the friction force between the piston and a hub, a brake block needs to be kept in a stable state during working, so that the damage resistance of the piston and the brake block is weak, and meanwhile, the protection capability of a protection component in the existing piston is weak, so that each component is directly affected by an acting force to easily cause damage when being impacted by an external force.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model provides a take multiple hierarchical shock-absorbing structure's brake piston has solved current brake piston single structure to the piston is in order to keep the frictional force between self and the car hub, and the brake pads need be at during operation steady state, and the anti damage ability that leads to piston and brake pads is more weak, and the protective capacities of protection component is more weak in the current piston simultaneously, when receiving external impact, and each component directly receives the effort and causes the problem of damage easily.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a take multiple hierarchical shock-absorbing structure's brake piston, includes piston body and brake pads, fixedly connected with connecting rod between the edge of piston body and brake pads, the inside sliding connection of piston body has first buffer block, the inside sliding connection of brake pads has the second buffer block, fixedly connected with buffer beam between first buffer block and the second buffer block, fixedly connected with fixed plate between the connecting rod, the marginal fixedly connected with slide bar of second buffer block upper surface, the top of slide bar runs through the fixed plate and extends to the top of fixed plate.

Preferably, the mounting groove has been seted up to the inside of piston body, the fixed ring of inner wall fixedly connected with of mounting groove, the upper surface embedding of fixed ring is connected with the spring ball.

Preferably, first buffer block includes first equipment board, the lower fixed surface of first equipment board is connected with the second equipment board, first equipment board and second equipment board distribute respectively in solid fixed ring's both sides.

Preferably, the first assembly plate is tightly attached to the upper side of the spring ball, and a first connecting spring is fixedly connected between the edge of the upper surface of the second assembly plate and the lower surface of the fixing ring.

Preferably, the buffer rod comprises a fixed tube and a sliding tube, the top end of the sliding tube slides in the fixed tube, and a second connecting spring is fixedly connected between the top end of the sliding tube and the fixed tube.

Preferably, the fixed pipe and the sliding pipe are fixedly connected with flanges at one ends close to the first buffer block and the second buffer block, and the fixed pipe and the sliding pipe are fixedly connected with the first buffer block and the second buffer block through bolts.

Advantageous effects

The utility model provides a take multiple hierarchical shock-absorbing structure's brake piston. Compared with the prior art, the method has the following beneficial effects:

(1) the brake piston with the multi-stage damping structure is characterized in that a connecting rod is fixedly connected between the edge of a piston body and the edge of a brake block, a first buffer block is connected inside the piston body in a sliding manner, a second buffer block is connected inside the brake block in a sliding manner, a buffer rod is fixedly connected between the first buffer block and the second buffer block, a fixed plate is fixedly connected between the connecting rods, a sliding rod is fixedly connected to the edge of the upper surface of the second buffer block, the top end of the sliding rod penetrates through the fixed plate and extends to the top of the fixed plate, the piston and the brake block in the device are both provided with a fixed connecting structure and a sliding buffer structure, and the buffer protection function can be realized under the condition of stable connection, when the piston and the brake block are impacted, the buffer structure can weaken the acting force on the whole device, so that the device is protected, and the service life of the device is prolonged.

(2) This take multiple hierarchical shock-absorbing structure's brake piston, the mounting groove has been seted up through the inside of piston body, the solid fixed ring of inner wall fixedly connected with of mounting groove, gu fixed ring's upper surface embedding is connected with the spring ball, first equipment board hugs closely the upside at the spring ball, the first connecting spring of fixedly connected with between the edge of second equipment board upper surface and the solid fixed ring's lower surface, the buffer beam is including fixed pipe and slip pipe, the top of slip pipe slides in the inside of fixed pipe, and fixedly connected with second connecting spring between the top of slip pipe and the fixed pipe, be provided with multiunit hierarchical shock-absorbing structure in this device, absorb bigger kinetic energy in limited displacement distance, thereby can improve device shock attenuation and protective properties, and can improve the stability of device when using and between the car hub.

Drawings

Fig. 1 is an assembly schematic view of the present invention;

fig. 2 is an exploded view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

In the figure: 1. a piston body; 2. a brake pad; 3. a connecting rod; 4. a first buffer block; 5. a second buffer block; 6. a fixing plate; 7. a slide bar; 8. a buffer rod; 101. mounting grooves; 102. a fixing ring; 103. a spring ball; 401. a first assembly plate; 402. a second assembly plate; 403. a first connecting spring; 801. a fixed tube; 802. a sliding tube; 803. and a second connecting spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a brake piston with a multi-stage damping structure comprises a piston body 1 and a brake block 2, wherein a mounting groove 101 is formed in the piston body 1, a fixing ring 102 is fixedly connected to the inner wall of the mounting groove 101, a spring ball 103 is embedded and connected to the upper surface of the fixing ring 102, a connecting rod 3 is fixedly connected between the edges of the piston body 1 and the brake block 2, a first buffer block 4 is slidably connected in the piston body 1, the first buffer block 4 comprises a first assembling plate 401, a second assembling plate 402 is fixedly connected to the lower surface of the first assembling plate 401, the first assembling plate 401 and the second assembling plate 402 are respectively distributed on two sides of the fixing ring 102, the first assembling plate 401 is tightly attached to the upper side of the spring ball 103, a first connecting spring 403 is fixedly connected between the edge of the upper surface of the second assembling plate 402 and the lower surface of the fixing ring 102, and a second buffer block 5 is slidably connected in the brake, buffer rod 8 is fixedly connected between first buffer block 4 and second buffer block 5, buffer rod 8 includes fixed tube 801 and sliding tube 802, the top end of sliding tube 802 slides in fixed tube 801, and second connecting spring 803 is fixedly connected between the top end of sliding tube 802 and fixed tube 801, one end of fixed tube 801 and sliding tube 802 near first buffer block 4 and second buffer block 5 are fixedly connected with flange, and fixed tube 801 and sliding tube 802 are fixedly connected with first buffer block 4 and second buffer block 5 through bolts, the device is provided with multiple groups of graded shock-absorbing structures, absorb larger kinetic energy in limited displacement distance, thereby improving shock-absorbing and protecting performance of the device, and improving stability between the device and a vehicle hub when in use, the parts of first buffer block 4 and second buffer block 5 connected with piston body 1 and brake block 2 are tightly attached, fixedly connected with fixed plate 6 between connecting rod 3, the marginal fixedly connected with slide bar 7 of 5 upper surfaces of second buffer block, fixed plate 6 is run through and extends to the top of fixed plate 6 on the top of slide bar 7, piston and brake pads 2 in this device all are provided with fixed connection structure and gliding buffer structure, can realize the buffering protect function under the condition of stable connection, when piston and brake pads 2 receive the striking, buffer structure can weaken the whole effort that receives of device, thereby play the guard action to the device, in order to improve the life of device.

When the device works, after the piston body 1 is subjected to hydraulic acting force, the piston body 1 can drive the brake block 2 to move through the connecting rod 3, meanwhile, the first buffer block 4 can also be subjected to acting force, the first assembling plate 401 in the first buffer block 4 can extrude the spring ball 103, and meanwhile, the buffer rod 8 can drive the second buffer block 5 to be tightly attached to the inside of the brake block 2, the sliding rod 7 can keep the maximum moving distance of the second buffer block 5, when the device is impacted, if impact points are distributed on the brake block 2 and the second buffer block 5, acting force scattered on the second buffer block 5 can be transmitted to the first buffer block 4 through the buffer rod 8, when the acting force is transmitted, the fixed pipe 801 and the sliding pipe 802 in the buffer rod 8 can compress the second connecting spring 803, the second assembling plate 402 in the first buffer block 4 can compress the first connecting spring 403, thereby converting the acting force into elastic potential energy, to reduce damage to the device from forces.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a take multiple hierarchical shock-absorbing structure's brake piston, includes piston body (1) and brake pads (2), fixedly connected with connecting rod (3), its characterized in that between the edge of piston body (1) and brake pads (2): the inside sliding connection of piston body (1) has first buffer block (4), the inside sliding connection of brake pads (2) has second buffer block (5), fixedly connected with buffer beam (8) between first buffer block (4) and second buffer block (5), fixedly connected with fixed plate (6) between connecting rod (3), the marginal fixedly connected with slide bar (7) of second buffer block (5) upper surface, the top of slide bar (7) runs through fixed plate (6) and extends to the top of fixed plate (6).

2. The brake piston with multiple graded shock absorbing structures according to claim 1, wherein: mounting groove (101) have been seted up to the inside of piston body (1), the fixed ring (102) of inner wall fixedly connected with of mounting groove (101), the upper surface embedding of fixed ring (102) is connected with spring ball (103).

3. The brake piston with multiple graded shock absorbing structures according to claim 2, wherein: first buffer block (4) include first equipment board (401), the lower surface fixedly connected with second equipment board (402) of first equipment board (401), first equipment board (401) and second equipment board (402) distribute respectively in the both sides of solid fixed ring (102).

4. The brake piston with multiple graded shock absorbing structures according to claim 3, wherein: the first assembling plate (401) is tightly attached to the upper side of the spring ball (103), and a first connecting spring (403) is fixedly connected between the edge of the upper surface of the second assembling plate (402) and the lower surface of the fixing ring (102).

5. The brake piston with multiple graded shock absorbing structures according to claim 1, wherein: buffer lever (8) are including fixed pipe (801) and slip pipe (802), the top of slip pipe (802) slides in the inside of fixed pipe (801), and fixedly connected with second connecting spring (803) between the top of slip pipe (802) and fixed pipe (801).

6. The brake piston with multiple graded shock absorbing structures according to claim 5, wherein: the fixed pipe (801) and the sliding pipe (802) are fixedly connected with flanges at one ends close to the first buffer block (4) and the second buffer block (5), and the fixed pipe (801) and the sliding pipe (802) are fixedly connected with the first buffer block (4) and the second buffer block (5) through bolts.

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