CN216279339U

CN216279339U - Parking locking ware

Info

Publication number: CN216279339U
Application number: CN202121821689.6U
Authority: CN
Inventors: 何旋; 金仁川; 姚刚; 田伟
Original assignee: Chongqing Kelang Motor Vehicle Brake Co ltd
Current assignee: Chongqing Kelang Motor Vehicle Brake Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-04-12
Anticipated expiration: 2031-08-05

Abstract

The utility model provides a parking lock, which comprises a shell, wherein a movable pin is arranged in a cavity of the shell, the movable pin is connected with an elastic element, when the elastic element is compressed under the action of external force, the lower end of the movable pin extends downwards from the cavity, and after the external force applied to the elastic element is cancelled, the elastic element resets to drive the movable pin to reset; the upper end of the movable pin is connected with a pressing piece, and when the elastic element is in a free state, the upper half part of the pressing piece is positioned outside the cavity; the elastic element is sleeved on the movable pin, the lower end of the elastic element is abutted against a step on the inner wall of the cavity, the upper end of the elastic element is abutted against the limiting part, the upper end of the limiting part is connected with the pressing piece, and the lower end of the limiting part is connected with the movable pin; the shell is provided with a connecting plate which is used for being fixed on the brake master cylinder. The utility model has simple structure, mainly comprises a shell, an elastic element, a connecting plate and a movable pin with a pressing part, and a plurality of parts are additionally arranged without changing the structure of the brake master pump.

Description

Parking locking ware

Technical Field

The utility model belongs to the technical field of parking systems, and particularly relates to a parking lock.

Background

Document CN103899744A discloses a multifunctional parking handle assembly for a vehicle, which comprises a push rod arranged in a handle, a button, a return spring and a support sleeve, wherein the handle is externally provided with a holding sleeve, a small toothed plate provided with a small riveting shaft in a penetrating manner and a large toothed plate provided with a main shaft are arranged in the handle in a meshing manner, a switch control plate provided with the return torsion spring is arranged on the main shaft, and a differential cable and a parking cable arranged on a double-cable mounting plate are respectively arranged in the handle through a differential cable pin shaft and a parking cable pin shaft. However, the parking handle combination device adopts a tooth-shaped meshing mode, a tooth-shaped plate needs to be additionally arranged by changing the structure of a common brake master pump, and a push rod is additionally arranged on a handle, so that the problems of complex structure and high manufacturing difficulty exist at least.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a parking lock which is simple in structure and small in manufacturing difficulty.

A parking lock characterized by: the movable pin is arranged in a cavity of the shell and connected with an elastic element, when the elastic element is compressed under the action of external force, the lower end of the movable pin extends out of the cavity downwards, and after the external force applied to the elastic element is cancelled, the elastic element resets to drive the movable pin to reset; the upper end of the movable pin is connected with a pressing piece, and when the elastic element is in a free state, the upper half part of the pressing piece is positioned outside the cavity; the elastic element is sleeved on the movable pin, the lower end of the elastic element abuts against a step on the inner wall of the cavity, the upper end of the elastic element abuts against a limiting part, the upper end of the limiting part is connected with the pressing piece, and the lower end of the limiting part is connected with the movable pin; the shell is provided with a connecting plate, and the connecting plate is used for being fixed on a brake master cylinder. Preferably, the connecting plate is fixed on the master cylinder by a fastener.

As another preferable scheme, the elastic element is sleeved on the movable pin, the lower end of the elastic element abuts against a step on the inner wall of the cavity, and the upper end of the elastic element abuts against a boss of the movable pin or the upper end of the elastic element abuts against a boss of the pressing piece.

For the parking locking ware of convenient equipment, the casing includes casing and lower casing, goes up the fixed cover of casing and establishes under on the casing, goes up the through-hole that casing and casing have respectively and constitutes jointly the cavity.

In order to facilitate processing of parts of the parking lock, the lower end of the elastic element abuts against a step on the inner wall of the through hole of the lower shell.

In order to improve the stability of the parking lock, the connecting plate is fixedly sleeved on the lower shell; the pressing piece, the limiting part and the movable pin are integrally formed.

Furthermore, the connecting plate passes through the bolt fastening on the master cylinder of braking, just the connecting plate passes through the jackscrew top tightly on the master cylinder of braking.

Has the advantages that: the parking lock provided by the utility model has a simple structure, the structure mainly comprises a shell, an elastic element, a connecting plate and a movable pin with a pressing part, a plurality of parts are additionally arranged without changing the structure of a brake master pump, the manufacturing difficulty is low, and the main manufacturing process is to drill holes on a cylindrical part and the connecting plate; the parking lock is convenient to process and assemble, and the time for assembling one parking lock is less than one minute.

Drawings

FIG. 1 is a sectional view of a parking lock in embodiment 1;

FIG. 2 is a schematic view of the parking lock in a downward direction in embodiment 1;

fig. 3 is a schematic view (formed integrally) of a pressing member, a limiting portion and a movable pin of the parking lock in embodiment 1;

fig. 4 is a schematic view of the parking lock in a use state in embodiment 1.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

As shown in fig. 1 to 3, a parking lock is characterized in that: the movable pin type spring comprises a shell, wherein a movable pin 7 is arranged in a cavity 10 of the shell, the movable pin 7 is connected with an elastic element 5, when the elastic element 5 is compressed under the action of external force, the lower end of the movable pin 7 extends out of the cavity 10 downwards, and after the external force applied to the elastic element 5 is cancelled, the elastic element 5 resets to drive the movable pin 7 to reset.

Wherein, the upper end of the movable pin 7 is connected with the pressing piece 1, and when the elastic element 5 is in a free state, the upper half part of the pressing piece 1 is positioned outside the cavity 10; the elastic element 5 is sleeved on the movable pin 7, the lower end of the elastic element 5 is abutted against a step on the inner wall of the cavity 10, the upper end of the elastic element 5 is abutted against the limiting part 6, the upper end of the limiting part 6 is connected with the pressing piece 1, and the lower end of the limiting part is connected with the movable pin 7; as shown in fig. 3, the presser 1, the stopper 6, and the movable pin 7 are integrally molded. The connecting plate 3 is arranged on the shell, the connecting plate 3 is used for being fixed on a master cylinder, the connecting plate 3 is fixed on the master cylinder by adopting a fastening piece, specifically, a screw hole 9, a screw hole 8 and a mounting hole are arranged on the connecting plate 3, the connecting plate 3 is fixed on the master cylinder through a bolt matched in the screw hole 9, and the connecting plate 3 is tightly jacked on the master cylinder through a jack screw matched in the screw hole 8.

Wherein, the casing includes casing 2 and casing 4 down, goes up casing 2 fixed cover and establishes under on casing 4, goes up casing 2 and casing 4 through-hole that has respectively and constitutes cavity 10 jointly, and elastic element 5 lower extreme supports on the terrace of the through-hole inner wall of casing 4 down, and connecting plate 3 is established under on casing 4 through the mounting hole cover. The upper part of the through hole of the upper shell 2 is provided with a limiting table which is used for limiting a limiting part 6 at an upper limit position; the outer wall of the lower shell 4 is provided with an annular boss, and the outer wall of the connecting plate 3 close to the mounting hole is flush with the outer wall of the annular boss on the lower shell 4.

Example 2

A parking lock, referring to embodiment 1, the main difference from embodiment 1 is: the pressing piece 1, the limiting part 6 and the movable pin 7 are welded or connected into a whole through threads, and the upper end of the elastic element 5 abuts against a boss of the movable pin 7 or the upper end of the elastic element 5 abuts against a boss of the pressing piece 1.

Example 3

A parking lock, referring to embodiment 1, the main difference from embodiment 1 is: go up casing 2 and lower casing 4 integrated into one piece, connecting plate 3 and lower casing 4 integrated into one piece.

During installation, the angle of the connecting plate 3 is adjusted in advance, and the connecting plate 3 is fixed on a support lug 13 of the master cylinder by means of a bolt 11 and a jackscrew 12. In the normal state (non-parking state), the parking lock is in the state shown in fig. 1, in which the lower end of the movable pin 7 is completely located in the cavity 10; when parking is needed, the handle 14 is firstly pinched, then the pressing piece 1 is pressed down, the elastic element 5 is compressed, the lower end of the movable pin 7 extends downwards from the cavity 10, the handle 14 is released, and the handle 14 is limited by the movable pin 7 and cannot be reset, as shown in fig. 4, so that parking is realized.

The parking lock is simple in structure, mainly comprises a shell, an elastic element, a connecting plate and a movable pin with a pressing part, a plurality of parts are additionally arranged without changing the structure of a brake master pump, the manufacturing difficulty is low, and the main manufacturing process is to drill holes on a cylindrical part and the connecting plate; the parking lock is convenient to process and assemble, and one parking lock is assembled by common technicians for less than one minute.

Example 4

A parking lock, referring to embodiment 1, the main difference from embodiment 1 is: the upper shell 2 is in threaded connection with the lower shell 4, the mounting hole in the connecting plate 3 is a flat square through hole, the lower shell 4 is inserted into the flat square through hole, and the connecting plate 3 is clamped after the upper shell 2 and the lower shell 4 are locked through threads.

Claims

1. A parking lock characterized by: the elastic device comprises a shell, wherein a movable pin (7) is arranged in a cavity (10) of the shell, the movable pin (7) is connected with an elastic element (5), when the elastic element (5) is compressed under the action of external force, the lower end of the movable pin (7) extends downwards from the cavity (10), and after the external force applied to the elastic element (5) is cancelled, the elastic element (5) resets to drive the movable pin (7) to reset; the upper end of the movable pin (7) is connected with the pressing piece (1), and when the elastic element (5) is in a free state, the upper half part of the pressing piece (1) is positioned outside the cavity (10); the shell is provided with a connecting plate (3), and the connecting plate (3) is used for being fixed on the brake master cylinder.

2. The parking lock of claim 1, wherein: elastic element (5) cover is established on movable pin (7), elastic element (5) lower extreme supports and leans on the step of cavity (10) inner wall, elastic element (5) upper end supports and leans on spacing portion (6), and spacing portion (6) upper end is connected pressing piece (1), lower extreme are connected movable pin (7).

3. The parking lock of claim 1, wherein: elastic element (5) cover is established on movable pin (7), elastic element (5) lower extreme supports and leans on the step of cavity (10) inner wall, elastic element (5) upper end supports and leans on the boss of movable pin (7) self, perhaps elastic element (5) upper end supports and leans on the boss of pressing piece (1) self.

4. The parking lock of claim 2, wherein: and the connecting plate (3) is fixed on the master cylinder by adopting a fastener.

5. The parking lock of claim 4, wherein: the casing includes casing (2) and casing (4) down, goes up casing (2) fixed cover and establishes on casing (4) down, goes up casing (2) and constitutes respectively with the through-hole that casing (4) down cavity (10) jointly.

6. The parking lock of claim 5, wherein: the lower end of the elastic element (5) is abutted against a step of the inner wall of the through hole of the lower shell (4).

7. The parking lock of claim 6, wherein: the connecting plate (3) is fixedly sleeved on the lower shell (4); the pressing piece (1), the limiting part (6) and the movable pin (7) are integrally formed.

8. The parking lock as claimed in claim 5, 6 or 7, characterized in that: the connecting plate (3) is fixed on the brake master cylinder through a bolt, and the connecting plate (3) is tightly jacked on the brake master cylinder through a jackscrew.

9. The parking lock of claim 3, wherein: and the connecting plate (3) is fixed on the master cylinder by adopting a fastener.

10. The parking lock of claim 9, wherein: the shell comprises an upper shell (2) and a lower shell (4), the upper shell (2) is fixedly sleeved on the lower shell (4), and through holes respectively arranged on the upper shell (2) and the lower shell (4) jointly form the cavity (10); the lower end of the elastic element (5) is abutted against a step of the inner wall of the through hole of the lower shell (4); the connecting plate (3) is fixedly sleeved on the lower shell (4); the connecting plate (3) is fixed on the brake master cylinder through a bolt, and the connecting plate (3) is tightly jacked on the brake master cylinder through a jackscrew.