TWI809549B - Hydraulic brake parking mechanism - Google Patents

Abstract

This creation relates to a hydraulic brake parking mechanism whose liquid pump base pivots on a brake handle that can be selectively pulled or pressed, and a parking switch group is set between the liquid pump base and the brake handle. The parking switch group forms a sliding through-hole on the brake handle and the sliding through -hole is provided with a limit rod that can slide between a parking position and a release position. Besides, the parking switch group is provided with a position-limiting block on the top of the liquid pump base corresponding to the limit rod at the parking position, which can generate the position-limiting effect when the limit rod moves to the parking position and relatively contacts and counteracts the parking position. By this design, we can simply operate the limit rod moving between the parking position and the release position to rapidly complete parking and unparking, which attains the parking function through the simple structure.

Description

Hydraulic Brake Parking Mechanism

The present invention belongs to a brake parking technology, specifically a hydraulic brake parking mechanism with a simple structure, which can realize convenient parking after braking through a simple structure and operation, so as to reduce the load on the user and further improve the overall Parking safety.

By the way, with the advancement of the machinery industry, the performance and quality of electric scooters, bicycles, electric mopeds or motor vehicles have been continuously improved, and the road conditions have improved, and the speed of people's driving has also increased virtually. For the braking system, The disc brake system has been gradually developed from the traditional way of using rubber to directly brake the wheels. This type of brake system mainly uses the calipers fixed on the car body to clamp the disc synchronized with the wheels. It can provide Accurate feedback is faster and the braking effect is more agile, and the brake system has also developed from the brake handle to drive the caliper through the cable to the use of the brake handle to push the hydraulic cylinder, prompting the piston to compress the hydraulic circuit to push the brake. Calipers, to achieve the role of braking;

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. Therefore, the parking function of the hydraulic brake system has become a normal design. The structural design of the parking function of the brake system is relatively complicated, not only has many 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, which cannot be performed effectively, quickly and easily The parking function directly affects the practicability of the parking function, so the structure and operation mode of the existing parking function really need to be further improved, and this is also the subject of the present invention.

In view of the above shortcomings, the inventor believes that it is necessary to correct it. Based on his many years of experience in related technologies and product design and manufacturing, and adhering to the excellent design concept, he researched and created the above shortcomings. After continuous efforts, he finally succeeded. Developed a hydraulic brake parking mechanism to overcome the inconvenience and troubles caused by the existing problems such as complex structure and difficult operation.

Therefore, the main purpose of the present invention is to provide a hydraulic brake parking mechanism, so that the parking function can be realized through a simple structure, and its practicability can be improved.

Furthermore, the second main purpose of the present invention is to provide a hydraulic brake parking mechanism, which can simplify structural components and assembly, thereby reducing the difficulty and cost of its manufacture and processing.

In addition, another main purpose of the present invention 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.

Furthermore, another main purpose of the present invention is to provide a hydraulic brake parking mechanism, which generates strong friction through the restoring pre-force of the elastic part of the piston chamber, and limits and maintains the braking state at a high level, thereby improving the overall safety.

For this reason, the present invention 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 a piston is slid in the piston chamber of the liquid pump base body, 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 base of the liquid pump, and the brake handle can pivot relative to the base of the liquid pump between a braking position and a release position, and the brake handle is pivotally provided with a the push rod mandrel;

A parking switching group, which is arranged between the brake handle and the liquid pump base, the parking switching group forms a sliding through hole near the brake handle and the pivot joint of the liquid pump base, and the sliding through hole slides There is a limit rod, 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 a set of stoppers is set between the limit handle and the brake handle. The compression spring on the limit rod, and the parking switching group is provided with a limit block on the top of the liquid pump base facing the parking position of the limit rod, so that when the limit rod moves to the park position, it can be relatively abutted to generate a limit effect.

Through the specific realization of the aforementioned technical means, the hydraulic brake parking mechanism of the present invention can utilize the design of the parking switching group, and simply operate the movement of the limit lever between the parking position and the release position, and can quickly complete the execution of parking and release. The action of parking can realize the parking function through a simple structure, and it is more convenient to operate and labor-saving. It can also improve the overall safety and further increase its added value and economic benefits.

And the present invention further realizes the aforementioned purpose and effect by utilizing the following technical means; it includes:

One end of the base body of the liquid pump is provided with a tightening part for selective binding on the handle of the vehicle body.

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 There is a pivot hole for pivoting the brake handle on the liquid pump base by using a pivot.

The lower end of the pivot block of the brake handle is formed with a mandrel hole for the push rod mandrel to pass through the pivot.

The piston chamber of the base body of the liquid pump is provided with an elastic member supporting the piston.

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

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

The limit rod of the parking switching group is formed with a larger-diameter limit portion corresponding to the end of the liquid pump base, and the sliding through hole of the brake handle has a pair of larger-diameter limit expansion slots for the limit portion. , so as to avoid any detachment of the restricting rod.

The limiting rod of the parking switching group is formed with a threaded section corresponding to one end of the limiting handle, and the limiting handle is formed with a pair of screw holes corresponding to the threaded section, so that the limiting rod can be screw-locked with the limiting handle.

In order to enable your examiners to further understand the composition, characteristics and other purposes of the present invention, the following are preferred embodiments, and are described in detail in conjunction with the drawings, and at the same time allow those familiar with this technical field to implement them.

The present invention is a hydraulic brake parking mechanism, and the attached drawings illustrate specific embodiments of the present invention and its components, all references to front and rear, left and right, top and bottom, upper and lower, and horizontal and vertical, It is used for convenience of description only, and does not limit the invention, nor 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 present invention without departing from the patent scope of the present invention, so the patent application is not restricted by this structure. limit.

And the composition of the parking mechanism of the hydraulic brake of the present invention is shown in the first, second and third figures, which is equipped with a brake handle (20) that can be selectively pulled on the upper pivot of a liquid pump base (10), and the A parking switching group (25) is provided between the brake handle (20) and the liquid pump base (10), which is used to selectively use the parking switching group (25) to generate a parking function after pressing the brake handle (20) for braking ;

The liquid pump base (10) has a piston chamber (100) inside, which is used to connect to the existing typical brake fluid circuit [not shown in the figure], and one end of the liquid pump base (10) has an optional beam device. On the tightening part (11) of the handlebar of the car body, the liquid pump base (10) has a pivot ear seat (12) above the tightening part (11) at one end of the brake fluid circuit, and the pivot ear seat (12) ) has a pivot hole (120) vertical to the axis of the tightening member (11), for using a pivot (13) to pivot the brake handle (20) to the pivot ear seat (12) of the liquid pump base (10) Furthermore, a piston (15) supported by an elastic member (16) is slid in the piston chamber (100) of the liquid pump base (10), and one end of the piston (15) has a corresponding connection with the brake handle. (20) of the push rod (17);

And the end of the brake handle (20) corresponding to the liquid pump base (10) 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 pass through the pivot block (21). ) is clamped and pivoted in the pivot ear seat (12) of the liquid pump base (10), and the pivot shaft (13) of the pivot ear seat (12) passes through the pivot, so that the brake handle (20) can be pivoted on the liquid pump on the pivot ear seat (12) of the pump base (10), so that the brake handle (20) can pivot between a brake position and a release position relative to the liquid pump base (10), and the brake handle (20) The lower end of the pivot block (21) 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 to the push rod core On the shaft (23), when the brake handle (20) is pulled, the brake handle (20) can push the piston chamber (100) of the liquid pump base (10) through the push rod (17). The piston (15) compresses the elastic member (16) (as shown in the fourth figure), and presses the hydraulic oil in the base body (10) of the liquid pump into the brake circuit for braking action, and when the brake handle (20) is released At this time, the piston (15) can be reset by the restoring force of the elastic member (16), so that the hydraulic oil will flow back into the piston chamber (100) again, and the action of releasing the brake will be completed;

As for, the characteristic structure of the present invention is that the parking switching group (25) is tied on the pivot block (21) of the brake handle (20) to form a And the sliding through hole (24) that is slightly coaxial with the extension direction of the brake handle (20), and a restricting rod (26) is slidably provided in the sliding through hole (24), so that the restricting rod (26) can be in a parking position and Slip between release positions, and the limit lever (26) is connected to a limit handle (27) for pressing by the user's finger at the end of the limit rod (26) different from the liquid pump base (10), and the limit handle (27) is connected to the brake A set of compression springs (28) arranged on the restraining rod (26) is braced between the pivots (21) of the handle (20), so that the restraining rod (26) can produce a return pre-force to return to the release position, and then The parking switching group (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 lever (26), and a stopper (29) is formed on the top surface of the limit block (29). After the brake handle (20) is pulled down, the restricting rod (26) passes through the position against the inclined surface (291), so that when the restricting rod (26) moves to the parking position, the end of the restricting rod (26) It can be smoothly inserted and embedded on the inclined surface (291) of the limit block (29) (as shown in the fifth and sixth figures), thereby producing a limit effect;

Moreover, according to some embodiments, the limit rod (26) of the parking switching group (25) is formed with a larger-diameter limit portion (261) corresponding to the end of the liquid pump base (10), and the brake handle The sliding through hole (24) of (20) has a pair of larger-diameter limiting expansion grooves (241) corresponding to the limiting part (261), so as to avoid the arbitrary detachment of the limiting rod (26). Also according to some embodiments, the limit lever (26) of the parking switching group (25) is formed with a threaded segment (262) corresponding to the end of the brake handle (20), and the limit handle (27) is formed with a pair of corresponding threaded segments The threaded hole (271) of (262) can be combined with this limiting handle (27) screw lock for this limiting rod (26) .

Thereby, a hydraulic brake parking mechanism with simple structure, convenient operation, labor saving and safe parking is formed.

Through the aforementioned structural design, the hydraulic brake parking mechanism of the present invention is practically applied, as disclosed in Figures 1, 3 and 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) (as shown in the fourth figure), and the The hydraulic oil in the liquid pump base (10) is pressed into the brake circuit to perform the brake action;

And when there is a parking demand, then as shown in the fifth and sixth figures, the user only needs to pull the brake handle (20) to the brake position, and then use the limit handle ( 27) Push the limiting lever (26) to the parking position, at this time, the limiting portion (261) at the end of the limiting lever (26) can easily enter the range of the limiting block (29) against the slope (291) [ As shown in the fifth figure], and release the brake handle (20), so that the brake handle (20) can move upward slightly due to the return pre-force of the piston (15) by the elastic member (16), so that the limit rod ( 26) the limiting part (261) changes the angle so that it is pressurized and clings to the inclined surface (291) of the limiting block (29) (as shown in the sixth figure), so that the limiting rod (26) is The pressurized friction force of the limit block (29) is limited and can remain in the parking position, and will not return to the release position, so that the brake handle (20) can be restricted from fully retreating, and then the piston (15) of the liquid pump base (10) can be restricted. ) to move 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 the fifth figure, slightly pull the brake handle (20) down to the brake position, so that the limit part of the limit lever (26) of the parking switching group (25) (261) changes the angle and is no longer in contact with the abutment slope (291) of the limit block (29), so that the limit rod (26) can be returned to the release position by the return pre-force of the compression spring (28) , so that the limit lever (26) is completely out of the range of the limit block (29), so that the brake handle (20) is no longer restricted, and when the user releases the brake handle (20) and returns to the release position, the liquid The piston (15) of the pump base (10) can be reset by the restoring force of the elastic member (16), so that the hydraulic oil flows back into the piston chamber (100) again, and the action of releasing the brake is completed.

It can be seen from the foregoing structure and action description that the hydraulic brake parking mechanism of the present invention can utilize the design of the parking switching group (25) to simply operate the movement of the limiting lever (26) between the parking position and the release position. Quickly complete the actions of parking and releasing the parking, not only the structure is extremely simple, but also the operation is very convenient and labor-saving, and the effectiveness of parking can be maintained.

In summary, it can be understood that the present invention is an invention with excellent creativity. In addition to effectively solving the problems faced by practitioners, it also greatly improves the efficacy, and there is no identical or similar product creation in the same technical field. Or open use, and at the same time have the enhancement of efficacy, so the present invention has met the requirements of "novelty" and "progressiveness" of the invention patent, and the application for the invention patent is filed according to law.

10: Liquid pump substrate 100: piston chamber 11: Tightening parts 12: Pivot ear seat 120: pivot hole 13: Pivot 15: Piston 16: Elastic piece 17: Putter 20: Brake handle 21: pivot block 210: Pivot hole 22: Mandrel hole 23: Push rod mandrel 24: Sliding through hole 241: limit expansion slot 25: Park switch group 26: Limit lever 261: limit part 262: Thread segment 27: Limit handle 271: Screw hole 28: Compression spring 29: Limit block 291: Against the ramp

Figure 1: a schematic diagram of the three-dimensional appearance of the parking mechanism of the hydraulic brake of the present invention.

The second figure: a three-dimensional exploded schematic diagram of the parking mechanism of the hydraulic brake of the present invention, which reveals the appearance and relative relationship of the main components of the present invention.

The third figure: a schematic side view sectional view of the parking mechanism of the hydraulic brake of the present invention, for illustrating the state of its composition and its relative relationship.

Figure 4: A schematic side sectional view of the parking mechanism of the hydraulic brake of the present invention performing a braking action.

Figure 5: The parking mechanism of the hydraulic brake of the present invention performs the parking action after braking without pressurization to generate friction.

Figure 6: The parking mechanism of the hydraulic brake of the present invention performs the parking action after braking, and there is a side view sectional schematic diagram of friction caused by pressurization.

10: Liquid pump substrate 100: piston chamber 11: Tightening parts 12: Pivot ear seat 13: Pivot 15: Piston 16: Elastic piece 17: Putter 20: Brake handle 21: pivot block 23: Push rod mandrel 24: Sliding through hole 241: limit expansion slot 25: Park switch group 26: Limit lever 261: limit part 262: Thread segment 27: Limit handle 271: Screw hole 28: Compression spring 29: Limit block 291: Against the ramp

Claims (8)

A hydraulic brake parking mechanism, which includes: A liquid pump base body, which has a piston chamber connected to a brake fluid circuit inside, a piston is slid in the piston chamber of the liquid pump base body, and one end of the piston has a supporting elastic member, and the other end has a push rod ; A brake handle, which can be pivotally arranged at one end of the liquid pump base, and the brake handle can pivot between a braking 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 switching group, which is arranged between the brake handle and the liquid pump base, the parking switching group has a pair of sliding through holes corresponding to the liquid pump base on the brake handle, and a limiter is slid in the sliding through hole A lever, so that 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 limit lever is supported between the limit handle and the brake handle. The compression spring on the top, and the parking switching group is provided with a limit block corresponding to the parking position of the limit lever, so that when the limit lever moves to the parking position, it can be relatively abutted to produce a limit effect. The hydraulic brake parking mechanism as described in claim 1, wherein one end of the base of the liquid pump has a tightening member for selective binding on the handle of the vehicle body. The hydraulic brake parking mechanism as described in claim 2, wherein the liquid pump base has a pivot ear seat above the tightening member, the pivot ear seat has a pivot hole perpendicular to the axis of the tightening member, and the brake handle corresponds to the hydraulic A pivot block is formed at one end of the pump base body, and a pivot hole is formed at the upper end of the pivot block for pivoting the brake handle on the liquid pump base body with a pivot shaft. The hydraulic brake parking mechanism according to claim 3, wherein the lower end of the brake handle is formed with a mandrel hole through which the push rod mandrel passes. The hydraulic brake parking mechanism as described in Claim 4, wherein the sliding through hole of the parking switching group is formed between the pivot hole of the pivot block of the brake handle and the mandrel hole. The hydraulic brake parking mechanism as described in claim 1, wherein the top surface of the limit block of the parking switching group is formed with an abutting slope for the limit rod to pass through. The hydraulic brake parking mechanism as described in Claim 1, wherein the limit rod of the parking switching group is formed with a larger-diameter limit portion corresponding to the end of the liquid pump base, and the sliding through hole of the brake handle has a pair of The larger diameter limit expansion groove of the limit part should be used. The hydraulic brake parking mechanism as described in Claim 1, wherein a threaded segment is formed at one end of the limiting lever of the parking switching group corresponding to the limiting handle, and a threaded hole is formed in the limiting handle.

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