CN211820471U

CN211820471U - Hydraulic brake device

Info

Publication number: CN211820471U
Application number: CN202020218719.3U
Authority: CN
Inventors: 闫娟
Original assignee: Shenzhen Yakangcheng Technology Development Co ltd
Current assignee: Shenzhen Yakangcheng Technology Development Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-10-30
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses a hydraulic brake device, which comprises two brake discs which are oppositely arranged and mutually connected, wherein a cavity is formed inside each brake disc, and the two cavities are mutually communicated; the surface of one brake disc facing the other brake disc is concavely provided with a mounting groove, the two mounting grooves are oppositely arranged and enclose to form a mounting space, the bottom wall of the mounting groove is convexly provided with a brake boss, the interior of the brake boss is communicated with the cavity, the two brake bosses are oppositely arranged, and any one brake disc is provided with an oil injection hole communicated with the cavity; brake block, brake block locate in the installation space, and lie in between two brake bosss, the protrusion end orientation of brake boss the brake block sets up, just the brake boss towards the surface of brake block can be close to or keep away from the brake block to the locking or loosen the brake block. The utility model discloses technical scheme aims at increasing brake equipment's brake braking force to reduce braking brake response time.

Description

Hydraulic brake device

Technical Field

The utility model relates to a brake equipment technical field, in particular to hydraulic brake device.

Background

In the existing hydraulic brake system, a closed pipeline is mostly used for connecting a hydraulic pump, when the pressure of a brake master pump acts on brake fluid, the liquid is incompressible and the pressure is transmitted to a brake branch pump, so that pistons in the branch pump extend towards two sides under the action of the liquid pressure to push a brake pad and a brake disc to generate brake force.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hydraulic brake device aims at increasing brake device's brake braking force to reduce brake response time.

In order to achieve the above object, the utility model provides a hydraulic brake device, include:

the two brake discs are oppositely arranged and mutually connected, a cavity is formed in each brake disc, and the two cavities are mutually communicated; the surface of one brake disc facing the other brake disc is concavely provided with mounting grooves, the two mounting grooves are oppositely arranged and enclose to form a mounting space, the bottom wall of each mounting groove is convexly provided with a brake boss, the interior of each brake boss is communicated with the cavity, the two brake bosses are oppositely arranged, and any one brake disc is provided with an oil injection hole communicated with the cavity;

the brake block, the brake block is located in the installation space, and be located two between the brake boss, the protrusion end orientation of brake boss the brake block sets up, just the brake boss towards the surface of brake block can be close to or keep away from the brake block to the locking or loosen the brake block.

Optionally, the surface of one brake disc facing the other brake disc is provided with communication holes penetrating through the cavity, and the two communication holes are oppositely arranged and communicated with each other.

Optionally, the hydraulic brake device further includes a conduction column, and two ends of the conduction column are respectively inserted into the two communication holes and are communicated with the two cavities.

Optionally, the hydraulic brake device further comprises a fastening screw, one of the brake discs deviates from the other of the brake discs, a threaded hole is formed in the surface of the brake disc, the two threaded holes are arranged in a through mode, and the fastening screw penetrates through the two threaded holes so that the two brake discs are connected.

Optionally, the hydraulic brake device further includes a first sealing member, and the first sealing member abuts between the hole wall of the first threaded hole and the fastening screw.

Optionally, one the brake disc deviates from another the intercommunication still has been seted up on the surface of brake disc the hole of dodging of cavity, hydraulic brake device still includes the retaining member, the retaining member is inserted and is located dodge the hole, and the shutoff dodge the hole.

Optionally, a second sealing member is arranged between the locking member and the brake disc.

Optionally, the oil injection hole is arranged on the outer side wall of the brake disc.

Optionally, the oil filler point is equipped with a plurality ofly, and is a plurality of the oil filler point is followed brake disc circumferential direction interval sets up, and is a plurality of at least one of oil filler point and external intercommunication.

Optionally, two brake discs and one brake pad arranged between the two brake discs are defined as a brake assembly, and the hydraulic brake device comprises a plurality of brake assemblies which are arranged in a stacked manner.

The utility model discloses technical scheme includes brake block and two brake discs, through setting up two brake discs, makes two brake discs produce the braking to the brake block simultaneously, improves brake braking force. Specifically, two brake discs set up relatively, and the cavity of two brake discs link up each other, a brake disc is equipped with the mounting groove towards the concave mounting groove in surface of another brake disc, two mounting grooves set up relatively and enclose to close and be formed with installation space, the brake block is located in the installation space, and the diapire of mounting groove is protruding to be equipped with the brake boss, the brake boss can be close to or keep away from the brake block towards the surface of brake block to lock or loosen the brake block, and set up the oil filler point who link up the cavity on the arbitrary brake disc in two brake discs. The brake disc comprises a brake disc body, a brake pad, a brake boss, a brake pad, a brake boss, an oil injection hole, a locking plate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is a schematic structural view of a brake disc in FIG. 1;

FIG. 5 is a schematic structural view of a plurality of brake pads.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Brake device	14	Communicating hole
10	Brake disc	15	Threaded hole
				11	Cavity body	16	Avoiding hole
12	Brake boss	17	Locking piece
				13	Oil filler hole	18	Second seal
20	Brake pad

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 the ordinary technical personnel in the field 1 without creative work all belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a hydraulic brake device 100.

As shown in fig. 1 to 5, in the embodiment of the present invention, the hydraulic brake device 100 includes:

the brake disc comprises two brake discs 10, wherein the two brake discs 10 are oppositely arranged and mutually connected, a cavity 11 is formed in each brake disc 10, and the two cavities 11 are mutually communicated; the surface of one brake disc 10 facing the other brake disc 10 is concavely provided with mounting grooves, the two mounting grooves are oppositely arranged and enclose to form a mounting space, the bottom wall of the mounting groove is convexly provided with a brake boss 12, the interior of the brake boss 12 is communicated with the cavity 11, the two brake bosses 12 are oppositely arranged, and any one brake disc 10 is provided with an oil injection hole 13 communicated with the cavity 11;

brake block 20, brake block 20 locates in the installation space, and be located two between the brake boss 12, the protrusion end orientation of brake boss 12 brake block 20 sets up, just brake boss 12 faces brake block 20's surface can be close to or keep away from brake block 20 to lock or loosen brake block 20.

Brake disc 10 is ring structure and has certain thickness, so brake disc 10 is inside to be formed with cavity 11, and the middle part of brake disc 10 is equipped with the perforating hole, brake block 20 is ring structure, locate in the mounting groove, the inner edge of brake block 20 salient in the mounting groove to show by the perforating hole, connecting hole and louvre have been seted up to the part that shows, the connecting hole is used for connecting outside hub, so that brake block and wheel synchronous rotation, because brake block 20 takes place the friction with brake disc 10, produce a large amount of heats, so the louvre can accelerate the heat dissipation function of brake block. Meanwhile, the brake disc 10 is arranged in a structure with a through middle part, so that part of material cost can be saved. The two brake discs 10 are connected with each other, the inner cavities 11 are communicated with each other to form a complete hollow cavity 11, the brake pad 20 is arranged between the two brake discs 10, two surfaces of the brake pad 20 are respectively attached to the surfaces of the two brake discs 10, and a certain friction force is provided between the two brake discs 10 and the brake pad 20, so that the brake pad 20 is not dropped between the two brake discs 10. And the surface that the brake disc 10 is close to the brake block 20 is equipped with the brake boss 12, the brake boss 12 and brake disc 10 structure as an organic whole, the protruding end of brake boss 12 sets up towards the brake block 20, the brake boss 12 is higher than the surface with the brake disc 10 promptly, and the inside of brake boss 12 and cavity 11 intercommunication set up, the brake boss 12 can make the surface that the brake boss 12 is close to the brake block 20 near or keep away from the brake block 20 under the effect of external force, when two brake bosses 12 are close to the brake block 20 simultaneously, two brake bosses 12 lock the brake block 20, so that the brake block 20 brakes, when two brake bosses 12 are far away from the brake block 20 simultaneously, two brake bosses 12 loosen the brake block 20, in order to realize the purpose of releasing the brake. And simultaneously, the utility model discloses a design does not need the hydro-cylinder, and cylinder or other transmission's promotion brake block 20 brakes to reduced braking system's volume, made whole brake equipment space volume littleer, practiced thrift a large amount of space costs.

It will be appreciated that the external hydraulic pressure boosting device is connected to the oil holes 13 of the brake discs 10 by oil pipes, and the brake pads 20 are mounted between the two brake discs 10, with less friction between the brake discs and the brake pads 20. When the brake is to be realized, the friction force between the brake disc and the brake pad 20 needs to be increased, that is, the external hydraulic pressurization equipment injects oil into the brake disc 10 through the oil injection hole 13, so as to increase the pressure in the brake disc 10, at this time, the brake boss 12 in the brake disc 10 deforms, the surface of the brake boss 12 close to the brake pad 20 deflects towards the direction of the brake pad 20, so that the brake boss 12 applies pressure to the brake pad 20, and the friction force between the brake pad 20 and the brake disc 10 is increased at the same time, because the two brake discs 10 are communicated with each other, the two brake bosses 12 apply pressure to the brake pad 20 from two directions at the same time, and firmly lock the brake pad, that is, the two brake discs 10 lock the brake pad 20 from two directions at the same time, so as to achieve the purposes of increasing the brake braking force and shortening the brake response time. The existing brake system uses a cylinder to push a brake piece to brake, and the brake piece has long stroke and long brake time; the utility model discloses brake block 20 is little with brake disc 10's brake boss 12 interval, is in critical locking state, can be when producing the brake action, and the brake piece is locked fast, reduces the response time of brake action, improves the response.

The utility model discloses technical scheme includes brake block 20 and two brake discs 10, through setting up two brake discs 10, makes two brake discs 10 produce the braking to brake block 20 simultaneously, improves brake braking force. Specifically, two brake discs 10 set up relatively, and the cavity 11 of two brake discs 10 link up each other, a brake disc face 10 is equipped with the mounting groove to the concave mounting groove that is equipped with in surface of another brake disc 10, two mounting grooves set up relatively and enclose to close and be formed with installation space, brake block 20 is located in the installation space, and the protruding brake boss 12 that is equipped with of diapire of mounting groove, brake boss 12 can be close to or keep away from the brake block towards the surface of brake block 20, brake block 20 can be close to or keep away from towards the surface of brake block 20 to brake block 12, with the locking or loosen brake block 20, and set up on arbitrary brake disc 10 in two brake discs 10 and link up oil filler 13 of cavity 11. It can be understood that, the external pressurizing device injects oil into the brake disc 10 through the oil injection hole 13, so as to increase the pressure in the brake disc 10, and the brake boss 12 in the brake disc 10 is deformed, that is, the surface of the brake boss 12 facing the brake pad 20 is close to the direction of the brake pad 20, so that the brake boss 12 applies pressure to the brake pad 20, and the friction force between the brake pad 20 and the brake disc 10 is increased, because the interiors of the two brake discs 10 are mutually communicated, the two brake bosses 12 apply pressure to the brake pad 20 from two directions at the same time, and firmly lock the brake pad, that is, the two brake discs 10 lock the brake pad 20 from two directions at the same time, so as to increase the brake force and achieve the purpose of shortening the brake response time.

Optionally, a communication hole 14 penetrating through the cavity 11 is formed in a surface of one brake disc 10, which faces the other brake disc 10, and the two communication holes 14 are oppositely arranged and are communicated with each other.

Owing to realize that the inside hydraulic pressure of two brake discs 10 is the same to make two brake discs 10 exert pressure to brake block 20 simultaneously, so two brake discs 10 have seted up an external oil filler point 13 of intercommunication, consequently, the inside cavity 11 of two brake discs 10 need link up each other, promptly the utility model discloses intercommunicating pore 14 has been seted up on the relative surface of two brake discs 10, and two intercommunicating pores 14 set up relatively, and communicate each other, so that the inside cavity 11 intercommunication of two brake discs 10 realizes only opening the purpose that one oil filler point 13 also can pour into two cavities 11 with oil into.

When the dynamic transmission device drives the brake piece to move, if braking action is needed at the moment, when the brake disc 10 is pressurized, the inner cavity 11 of the brake disc 10 deforms, and the inner cavity 11 of the brake disc 10 brakes the brake pad 20 from two directions instead of deforming the brake piece on the dynamic transmission device, so that the position deviation of the dynamic transmission device is avoided, and the stability of a braking system is improved.

Furthermore, the hydraulic brake device further comprises a conduction column, and two ends of the conduction column are respectively inserted into the two communication holes 14 and are communicated with the two cavities 11.

Specifically, the two communication holes 14 are communicated through a conduction column, the conduction column is a hollow structure, one end of the conduction column is inserted into one communication hole 14, and the other end of the conduction column is inserted into the other communication hole 14, so that the two communication holes 14 are communicated with each other, that is, the internal cavities 11 of the two brake discs 10 are communicated. The conduction column may be a hose or a pipe column made of the same material as the brake disc 10 as long as the two communication holes 14 can be communicated with each other.

Optionally, the hydraulic brake device further includes a fastening screw, one of the brake disks 10 is away from the other of the brake disks 10, a threaded hole 15 is formed in the surface of the brake disk 10, the two threaded holes are arranged in a through manner, and the fastening screw penetrates through the two threaded holes so that the two brake disks 10 are connected.

The brake discs 10 are mounted on the hub, and when the hub rotates, the brake discs 10 rotate along with the hub, and the two brake discs 10 are arranged oppositely and need to rotate synchronously, so that the two brake discs 10 are connected with each other, that is, one brake disc 10 is connected with the hub, and the other brake disc 10 is connected with the previous brake disc 10. Specifically, two brake discs 10 pass through threaded connection, the surface of two brake discs 10 is equipped with screw hole 15 respectively, two screw holes 15 set up relatively, fastening screw runs through two screw holes 15, it is fixed to realize the connection of two brake discs 10, and two screw holes 15 all locate the outside of brake boss 12, the middle part of brake disc 10 is located to brake block 20, brake boss 12 also locates the middle part position of brake disc 10 promptly, so two screw holes 15 can stagger the setting with brake block 20, and fastening screw can shutoff screw hole 15.

The inner cavities 11 of the two brake discs 10 are communicated, so that the brake pads 20 can be locked and braked in two directions, the friction time between the brake pads 20 and the brake bosses 12 of the brake discs 10 can be shortened, and the abrasion of the brake pads 20 is reduced; the braking action is not hard braking, but flexible braking, so that the brake pad 20 cannot deform. The brake pad 20 is thicker in design, so that the wear resistance is improved; other materials are not needed to be added between the brake disc 10 and the brake pad 20 to increase the friction part, the two brake discs 10 are made of the same material and have uniform friction, and the service life of the brake pad 20 can be prolonged; and the maintenance is convenient, because the two brake discs 10 are connected through the screw thread, the hydraulic brake system only needs to dismantle the screw of the brake disc 10 and replace the brake block 20, and the large change is not needed. Therefore, the service life of the brake pad 20 can be prolonged, the maintenance times can be reduced, and the utilization rate can be improved.

Optionally, the hydraulic brake device further comprises a first sealing element, and the first sealing element abuts between the hole wall of the threaded hole and the fastening screw.

The hole wall of the threaded hole 15 is provided with a first sealing element which is mainly used for enhancing the tightness between the threaded hole and the fastening screw, and the threaded hole 15 penetrates through the inner cavity 11 of the brake disc 10, so that the first sealing element is additionally arranged between the threaded hole 15 and the fastening screw for ensuring the tightness of the threaded hole 15. In particular, a first sealing element may be provided between the wall of the threaded hole and the fastening screw, thereby increasing the tightness of the threaded hole 15 with the locking screw. The first seal may be a rubber ring or a sealing ring. The rubber ring has good elasticity, heat resistance, pressure resistance, wear resistance and certain physical and mechanical strength, and can generate higher initial contact stress on the sealing surface by means of self deformation to prevent the leakage of non-pressure liquid.

Optionally, one the brake disc 10 deviates from another the surface of the brake disc has still been seted up the intercommunication the hole of dodging 16 of cavity, hydraulic brake device still includes retaining member 17, retaining member 17 inserts and locates dodge hole 16, and the shutoff dodge hole 16.

The avoidance hole 16 is formed in the brake disc 10 in order to process the brake boss 12 in the processing process, so that the avoidance hole 16 needs to be sealed in order to form hydraulic pressure inside the brake disc 10. Specifically, will dodge hole and external separation through retaining member 17, retaining member 17 is inserted and is located in dodging hole 16 to the shutoff is in dodging hole 16, and retaining member 17 can be locking screw, also can be the rubber buffer.

Optionally, a second sealing member is provided between the locking member 17 and the brake disc 10.

The second sealing member is used for increasing the tightness of the avoidance hole 16, is arranged between the locking member 17 and the brake disc 10 and is abutted between the locking member 17 and the brake disc 10. The second sealing member is the elastic component, can carry out elastic deformation, the butt is between retaining member and brake disc 10 to realize interference fit with retaining member and brake disc 10, with this increase avoid the leakproofness of opening the worker, the second sealing member can be O type rubber circle, has good elasticity, heat resistance, resistance to pressure, wearability and certain physical mechanical strength, can rely on the deformation of self to produce higher initial contact stress to sealing surface, prevents the leakage of no pressure liquid.

Optionally, the oil injection hole 13 is arranged on the outer side wall of the brake disc 10.

The oil filling hole 13 is communicated with the inner cavity 11 of the brake disc 10 and is used for filling oil into the cavity 11 by external oil filling equipment so as to increase the hydraulic pressure in the cavity 11. The oil injection hole 13 is provided at the outer side wall of the brake disc 10 to facilitate communication with an external oil injection device. The size of oil filler point 13 should not be too big, can realize the oiling can, outside oiling equipment can just shutoff oil filler point 13 simultaneously to increase cavity 11's leakproofness.

Optionally, the oil injection holes 13 are provided in a plurality, the oil injection holes 13 are arranged at intervals in the circumferential direction of the brake disc 10, and at least one of the oil injection holes 13 is communicated with the outside.

13 positions of a plurality of oil filler point, can realize the free switching of manual brake locking and automatic brake locking, specifically, when needs manual brake locking, need open an oil filler point 13, and other oil filler points 13 close, when will realizing automatic brake locking, then need open another oil filler point 13, other oil filler points 13 close, realize opening and closing of two different oil filler points 13 promptly when realizing the free switching of manual brake locking and automatic brake locking promptly can, the purpose that here sets up a plurality of oil filler points 13 is conveniently used in the occasion of difference, different occasions, the position of the oil filler point 13 that needs to open is different.

In this embodiment, two brake discs 10 and one brake pad 20 arranged between the two brake discs are defined as brake components, and the hydraulic brake device includes a plurality of brake components, which are stacked.

It can be understood that the utility model is provided with a plurality of brake pads and a plurality of brake discs, because the utility model has small design space and simple structure, when needing larger braking force, a plurality of brake pads 20 can be adopted for braking; each brake component is provided with a corresponding control system, so that the free switching of the structures of a single brake pad 20 and a plurality of brake pads 20 can be realized; the flexibility of the brake device is increased.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A hydraulic brake device, comprising:

2. The hydraulic brake apparatus according to claim 1, wherein a communication hole penetrating the cavity is formed in a surface of one of the brake disks facing the other brake disk, and the communication holes are disposed opposite to each other and communicate with each other.

3. A hydraulic brake device according to claim 2, further comprising a conduction post, both ends of the conduction post being inserted into the two communication holes and communicating with the two cavities, respectively.

4. The hydraulic brake device according to claim 1, further comprising a fastening screw, wherein a surface of one brake disc facing away from the other brake disc is provided with a threaded hole, the two threaded holes are arranged in a penetrating manner, and the fastening screw penetrates through the two threaded holes so as to connect the two brake discs.

5. The hydraulic brake device as claimed in claim 4, further comprising a first sealing member abutting between a wall of the threaded bore and the fastening screw.

6. The hydraulic brake device according to claim 1, wherein an avoiding hole communicated with the cavity is further formed in a surface of one brake disc away from the other brake disc, and the hydraulic brake device further comprises a locking member inserted into the avoiding hole and blocking the avoiding hole.

7. A hydraulic brake arrangement according to claim 6, wherein a second seal is provided between the locking member and the disc rotor.

8. The hydraulic brake apparatus of claim 1, wherein the oil injection hole is provided in an outer side wall of the disc rotor.

9. The hydraulic brake apparatus as recited in claim 8, wherein a plurality of the oil holes are provided, a plurality of the oil holes are provided at intervals in a circumferential direction of the disc rotor, and at least one of the plurality of the oil holes is in communication with the outside.

10. The hydraulic brake device as claimed in any one of claims 1 to 9, wherein two brake discs and one brake pad disposed between the two brake discs are defined as a brake assembly, and the hydraulic brake device includes a plurality of the brake assemblies, and a plurality of the brake assemblies are stacked.