WO2023070300A1 - Hydraulic brake parking mechanism - Google Patents

Abstract

A hydraulic brake parking mechanism, which is provided with a brake handle (20) that can be selectively pulled and pressed and pivotally mounted on a liquid pump base body (10), a parking switching assembly (25) is arranged between the brake handle (20) and the liquid pump base body (10), a sliding through hole (24) is formed in the parking switching assembly (25) on the brake handle (20), a limiting rod (26) capable of sliding between a parking position and a release position is arranged in the sliding through hole (24), and the parking switching assembly (25) is provided with a limiting block (29) corresponding to the parking position of the limiting rod (26) on the top surface of the liquid pump base body (10), so that the limiting rod (26) can abut against the limiting block, when moving to the parking position, to generate a limiting effect. By operating the limiting rod (26) to move between the parking position and the release position, actions of parking and parking release can be rapidly completed, and the parking function can be achieved through a simple structure.

Description

Hydraulic Brake Parking Mechanism technical field

The present application relates to a brake parking technology, in particular to a hydraulic brake parking mechanism.

Background technique

With the advancement of the machinery industry, whether it is electric scooters, bicycles, electric mopeds or motor vehicles, their performance and quality have been continuously improved, and the road conditions have improved, and people's driving speed has also increased virtually. For the braking system, it has been changed. The traditional method of using rubber to directly brake the wheels has gradually developed a disc brake system. This type of brake system mainly uses calipers fixed on the car body to clamp the disc synchronized with the wheels, which can provide accurate braking. The feedback is faster and the braking effect is more agile, and the braking system has also developed from the brake handle driving the caliper through the pull wire to the brake handle pushing the hydraulic cylinder, prompting the piston to compress the hydraulic circuit to push the brake caliper , to achieve the braking effect.

However, in order to meet different needs, when the vehicle is parked, for the sake of overall safety, it is not desirable to release the brakes during the parking process to cause the vehicle to move arbitrarily, so the parking function of the hydraulic brake system has become a normal design. However, the structural design of the parking function of the existing hydraulic brake system is relatively complicated. Not only are there many parts and components, but also the cost of production and assembly is high, and whether it is to perform or release the parking action, it even requires two-handed operation in the action, which cannot be effective. Quick and easy execution of the parking function directly affects the practicability of the parking function, so the structure and operation method of the existing parking function do need to be further improved, which is also the topic to be discussed in this application.

In view of the above shortcomings, the applicant believes that it is necessary to make corrections. Through years of experience in related technologies and product design and manufacturing, and by adhering to excellent design concepts, he has made research and creation aimed at the above shortcomings. After continuous efforts, he finally succeeded. A hydraulic brake parking mechanism has been developed to overcome the inconvenience and troubles caused by the existing problems such as complex structure and difficult operation.

Contents of the invention

In order to solve the above shortcomings of the prior art, the application provides a hydraulic brake parking mechanism, which can realize the parking function through a simple structure, and can improve its practicability.

Another main purpose of the present application is to provide a hydraulic brake parking mechanism, which can simplify structural components and assembly, thereby reducing the difficulty and cost of manufacturing and processing.

Another main purpose of the present application is to provide a hydraulic brake parking mechanism, which can perform and release the parking function quickly, conveniently, easily and labor-saving, and has the effect of easy operation.

Another main purpose of the present application is to provide a hydraulic brake parking mechanism, which can generate strong friction force through the recovery pre-force of the elastic part of the piston chamber, limit and maintain the braking state at a high level, and improve the overall safety.

For this reason, the present application mainly realizes the above-mentioned purpose and effectiveness through the following technical means, which includes: a liquid pump base body, which has a piston chamber connected to the brake fluid circuit inside, and the liquid pump base body A piston is slidably arranged in the piston chamber, and one end of the piston has a corresponding push rod connected to the brake handle. A brake handle, which can be pivotally arranged at one end of the liquid pump base, and the brake handle can pivot between a brake position and a release position relative to the liquid pump base, and the brake handle is pivotally provided with a The push rod mandrel. A parking switch assembly, which is arranged between the brake handle and the base body of the liquid pump, the parking switch assembly forms a sliding through hole near the brake handle and the pivot joint of the liquid pump base, and the sliding through hole A limit rod is provided in the inner slide, so that the limit rod can slide between a parking position and a release position, and a limit handle is connected to one end of the limit rod, and the limit handle is held against the brake handle. A set of compression springs arranged on the limit rod is provided, and the parking switching assembly is provided with a limit block on the top of the liquid pump base facing the parking position of the limit rod, so that the limit rod moves to the park position When it can be relatively attached to produce a limit effect.

Through the specific realization of the aforementioned technical means, the hydraulic brake parking mechanism of the present application can utilize the design of the parking switch assembly, and simply operate the movement of the limiting lever between the parking position and the release position, and the execution can be quickly completed. The action of parking and releasing the parking, so that the parking function can be realized through a simple structure, and it is more convenient to operate, and can improve the overall safety, and further increase its added value and economic benefits.

And the application utilizes the following technical means to further realize the aforementioned purpose and effect;

It includes: one end of the base body of the liquid pump has a tightening part for selective binding on the brake handle.

The base body of the liquid pump has a pivot ear seat above the tightening member, and the pivot ear seat has a pivot hole perpendicular to the axis of the tightening member, and a pivot block is formed at the end of the brake handle corresponding to the base body of the liquid pump, and the upper end of the pivot block has a A pivot hole is used for pivoting the brake handle on the liquid pump base by using a pivot.

A mandrel hole through which the push rod mandrel passes is formed at the lower end of the pivot block of the brake handle.

An elastic member against the piston is arranged in the piston chamber of the base body of the liquid pump.

The sliding through hole of the parking switching assembly is formed between the pivot hole of the pivot block of the brake handle and the spindle hole.

The top surface of the limit block of the parking switching assembly is formed with an abutment slope for the limit rod to pass through.

The limiting rod of the parking switch assembly is formed with a limiting portion corresponding to the end of the liquid pump base, and the sliding through hole of the brake handle has a limiting expanding groove corresponding to the limiting portion, so as to prevent the limiting rod from being arbitrarily come out.

The limiting rod of the parking switching assembly is formed with a threaded segment corresponding to one end of the limiting handle, and the limiting handle is formed with a pair of screw holes corresponding to the threaded segment, so that the limiting rod can be screwed and combined with the limiting handle.

Description of drawings

FIG. 1 is a schematic perspective view of a parking mechanism for a hydraulic brake provided in an embodiment of the present application.

FIG. 2 is a three-dimensional exploded schematic diagram of the hydraulic brake parking mechanism provided by the embodiment of the present application, which reveals the appearance and relative relationship of the main components of the present application.

Fig. 3 is a schematic side sectional view of the hydraulic brake parking mechanism provided by the embodiment of the present application, for illustrating the states of its components and their relative relationships.

Fig. 4 is a side sectional schematic diagram of the hydraulic brake parking mechanism provided by the embodiment of the present application performing a braking action.

Fig. 5 is a schematic side view cross-sectional view of the hydraulic brake parking mechanism provided by the embodiment of the present application performing the parking action after braking, without friction caused by pressurization.

Fig. 6 is a schematic side view sectional view of the hydraulic brake parking mechanism provided by the embodiment of the present application performing the parking action after braking, with friction generated by pressurization.

Description of main component symbols

Liquid pump base 10

piston chamber 100

Tightening piece 11

Pivot ear seat 12

Pivot hole 120

pivot 13

Piston 15

Elastic piece 16

Putter 17

brake handle 20

Pivot block 21

Pivot hole 210

Mandrel hole 22

Push rod mandrel 23

Sliding through hole 24

Limit expansion slot 241

Parking switch assembly 25

Limit rod 26

Limiting Department 261

Thread section 262

Limit handle 27

Screw hole 271

Compression spring 28

Limit block 29

Against the slope 291

The following specific embodiments will further illustrate the present application in conjunction with the above-mentioned drawings.

Detailed ways

The application provides a hydraulic brake parking mechanism, and the accompanying drawings illustrate the specific embodiments of the application and its components, all about front and rear, left and right, top and bottom, upper and lower, and horizontal and Vertical references are used for convenience of description only, and do not limit the application, nor limit its components to any position or orientation in space. The dimensions specified in the drawings and description can be changed according to the design and requirements of the specific embodiments of the application without departing from the scope of the claims of the application, so the patent application is not restricted by this structure. limit.

Referring to Fig. 1, Fig. 2 and Fig. 3, the hydraulic brake parking mechanism provided by the present application is rotatably provided with a brake handle 20 that can be selectively pulled on a liquid pump base 10, and the brake handle 20 A parking switch assembly 25 is provided between the liquid pump base 10 for selectively using the parking switch assembly 25 to generate a parking function after the brake handle 20 is pressed for braking.

Wherein the liquid pump base body 10 has a piston chamber 100 inside, which is used to connect the existing brake fluid circuit (not shown in the figure), and one end of the liquid pump base body 10 has a beam for selectively being arranged on the brake handle 20 Tightening piece 11, the liquid pump base 10 has a pivot ear seat 12 above the opposite direction of the tightening piece 11 at one end of the brake fluid circuit, and the pivot ear seat 12 has a pivot hole 120 perpendicular to the axis of the tightening piece 11, A pivot 13 is used to pivot the brake handle 20 on the lug seat 12 of the liquid pump base 10 , and a piston supported by an elastic member 16 is slidably disposed in the piston chamber 100 of the liquid pump base 10 15 , and the other end of the piston 15 is provided with a push rod 17 correspondingly connected to the brake handle 20 .

The end of the brake handle 20 corresponding to the base body 10 of the liquid pump is formed with a pivot block 21, and the upper end of the pivot block 21 has a pivot hole 210 for the brake handle 20 to be clamped and pivoted in the pivot lug seat 12 of the liquid pump base body 10 by the pivot block 21. , and for the pivot 13 of the pivot ear seat 12 to pass through, so that the brake handle 20 can be pivotally arranged on the pivot ear seat 12 of the liquid pump base 10, so that the brake handle 20 can be braked relative to the liquid pump base 10 position and a release position, and the lower end of the pivot block 21 of the brake handle 20 is formed with a mandrel hole 22 for a push rod mandrel 23 to pivot, and the end of the push rod 17 of the aforementioned piston 15 can be locked On the push rod mandrel 23 , when the brake handle 20 is pulled, the brake handle 20 can push the piston 15 in the piston chamber 100 of the liquid pump base 10 through the push rod 17 to compress the elastic member 16 .

Please refer to Fig. 4, and the hydraulic oil in the liquid pump base body 10 is pressed into the brake circuit to carry out the braking action, and when the brake handle 20 is released, the piston 15 can be reset by the restoring force of the elastic member 16, so that the hydraulic pressure The oil flows back into the piston chamber 100 again to complete the action of releasing the brake;

As for the characteristic structure of the present application, the parking switching assembly 25 is formed on the pivot block 21 of the brake handle 20 with a There is a sliding through hole 24, and a restricting rod 26 is slidably arranged in the sliding through hole 24, so that the restricting rod 26 can slide between a parking position and a release position, and the restricting rod 26 is far away from the liquid pump base 10 One end of the brake handle 20 is connected to a limiting handle 27 for pressing by the user's fingers, and a set of compression springs 28 set on the limiting rod 26 is arranged between the limiting handle 27 and the pivot block 21 of the brake handle 20, The limit rod 26 can generate a return pre-force to return to the release position, and the parking switching assembly 25 is provided with a limit block 29 on the top surface of the liquid pump base 10 at the parking position corresponding to the limit rod 26, and the The top surface of the limit block 29 is formed with an abutment slope 291 for the limit rod 26 to pass through the position after the brake handle 20 is pulled down, so that when the limit rod 26 moves to the parking position, the end of the limit rod 26 It can be smoothly inserted and embedded on the abutment slope 291 of the limit block 29 (as shown in Figure 5 and Figure 6), thereby producing a limit effect;

Furthermore, according to some embodiments, the limit rod 26 of the parking switch assembly 25 is formed with a larger-diameter limit portion 261 corresponding to the end of the liquid pump base 10, and the sliding through hole 24 of the brake handle 20 has a A pair of larger-diameter restricting expanded slots 241 of the restricting portion 261 is used to prevent the restricting rod 26 from coming out arbitrarily. Also according to some embodiments, the limit rod 26 of the parking switching assembly 25 is formed with a threaded section 262 corresponding to the end of the brake handle 20, and the limit handle 27 is formed with a pair of screw holes 271 corresponding to the threaded section 262 for the limit The rod 26 can be combined with the limiting handle 27 by screwing (or the limiting rod 26 can be engaged with the limiting portion 261).

Combining the above structures together constitute a hydraulic brake parking mechanism with simple structure, convenient operation and safe parking.

Through the aforementioned structural design, the hydraulic brake parking mechanism of the present application is disclosed in Figure 1, Figure 2 and Figure 4. In operation, when the brake handle 20 is pulled to the brake position, the brake The handle 20 can push the piston 15 in the piston chamber 100 of the liquid pump base 10 through the push rod 17 to compress the elastic member 16 (see FIG. 4 ), and press the hydraulic oil in the liquid pump base 10 into the brake circuit perform braking action;

And when there is a parking demand, as shown in Figure 5 and Figure 6, the user only needs to push the brake handle 20 to the brake position, and then use the limit handle 27 of the parking switch assembly 25 to push the limit. When the lever 26 reaches the parking position, the limiting portion 261 at the end of the limiting lever 26 can easily enter the range of the abutment slope 291 of the limiting block 29 (see FIG. 5 ), and release the brake handle 20, so that The brake handle 20 can be slightly moved upward due to the restoring force of the piston 15 by the elastic member 16, so that the limit portion 261 of the limit rod 26 changes its angle so that it is pressurized and clings to the abutment slope of the limit block 29 291 (referring to Fig. 6), allow this limiting rod 26 to be limited by the pressurized frictional force of limit piece 29 and can keep in parking position, and will not return to release position, can limit brake handle 20 to retreat completely like this, and then limit The piston 15 of the liquid pump base 10 moves to restrict the brake hydraulic oil from returning to the piston chamber 100 of the liquid pump base 10, so that the caliper that clamps the brake disc under the hydraulic pressure remains in the braking state, and then completes the parking action.

And when the parking function is to be released, as shown in Figure 6, the brake handle 20 is slightly pulled down to the braking position, so that the stopper 261 of the limiting lever 26 of the parking switching assembly 25 changes the angle and then is in line with the parking switch assembly 25. The abutment slope 291 of the limiting block 29 is no longer in contact, so that the limiting rod 26 can be returned to the release position by the return preforce of the compression spring 28, so that the limiting rod 26 is completely out of the range of the limiting block 29, In this way, the brake handle 20 is no longer restricted, and when the user releases the brake handle 20 and returns to the release position, the piston 15 of the liquid pump base 10 can be reset by the restoring force of the elastic member 16, so that the hydraulic oil flows back into the brake handle 20 again. Piston chamber 100, and complete the action of releasing brake.

It can be known from the aforementioned structure and action description that the hydraulic brake parking mechanism of the present application can utilize the design of the parking switching assembly 25, and can be quickly and quickly moved by simply operating the limiting lever 26 to move between the parking position and the release position. Complete the actions of parking and releasing the parking, not only the structure is extremely simple, but also the operation is very convenient, and the effectiveness of parking can be maintained.

To sum up, it can be understood that the present application is a preferred implementation mode. In addition to effectively solving the problems faced by the prior art, it also has beneficial effects, and there is no identical or similar product or product in the same technical field. Public use has beneficial effects at the same time.

Claims (8)

A hydraulic brake parking mechanism is characterized in that it comprises: A liquid pump base body is provided with a piston chamber connected to a brake fluid circuit, a piston is slidably arranged in the piston chamber of the liquid pump base body, and an elastic member is provided at one end of the piston, and a push rod is provided at the other end; A brake handle is pivotally arranged at one end of the base of the liquid pump, and the brake handle can pivot between a braking position and a release position relative to the base of the liquid pump. rod-connected push rod mandrel; A parking switch assembly, located between the brake handle and the liquid pump base, the brake handle has a sliding through hole corresponding to the liquid pump base, and a limiting rod is slidably arranged in the sliding through hole, The limit lever can slide between a parking position and a release position, and one end of the limit lever is connected with a limit handle, and a set of stoppers is arranged between the limit handle and the brake handle. The compression spring on the limiting lever, the parking switching assembly is provided with a limit block at the parking position corresponding to the limiting lever, so that when the limiting lever moves to the parking position, it can be opposed to produce Limiting effect. The hydraulic brake parking mechanism according to claim 1, wherein one end of the base body of the liquid pump has a tightening member for selectively tightening the brake handle. The hydraulic brake parking mechanism according to claim 2, wherein the base of the liquid pump has a pivot ear seat above the tightening member, and the pivot ear seat has a pivot hole perpendicular to the axis of the tightening member, The end of the brake handle corresponding to the base of the liquid pump is formed with a pivot block, and the upper end of the pivot block has a pivot hole for pivoting the brake handle on the base of the liquid pump by using a pivot. The hydraulic brake parking mechanism according to claim 3, wherein a mandrel hole through which the push rod mandrel passes is formed at the lower end of the pivot block of the brake handle. The hydraulic brake parking mechanism according to claim 4, wherein the sliding through hole is formed between the pivot hole of the pivot block of the brake handle and the mandrel hole. The hydraulic brake parking mechanism according to claim 1, characterized in that, the top surface of the limit block of the parking switch assembly is formed with an abutting slope for the limit rod to pass through. The hydraulic brake parking mechanism according to claim 1, wherein a limiting portion is formed at the end of the limiting rod of the parking switch assembly corresponding to the base of the liquid pump, and the brake handle slides through the The hole has a limiting expansion slot corresponding to the limiting part. The hydraulic brake parking mechanism according to claim 1, wherein a thread segment is formed at one end of the limit rod of the parking switch assembly corresponding to the limit handle, and the limit handle is formed with a thread corresponding to the limit handle. A screw hole in the segment.

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