CN213768510U

CN213768510U - Brake and separation and reunion subassembly for footboard

Info

Publication number: CN213768510U
Application number: CN202023205235.4U
Authority: CN
Inventors: 侯山宝; 侯爱国; 刘夏兰
Original assignee: Zhejiang Shanbao Auto Parts Co ltd
Current assignee: Zhejiang Shanbao Auto Parts Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-07-23
Anticipated expiration: 2030-12-28

Abstract

The utility model provides a braking and separation and reunion subassembly for footboard belongs to auto-parts technical field. It has solved the short scheduling problem of current braking and clutch pedal with subassembly life. This subassembly for braking and separation and reunion footboard includes ejector pin fork and ejector pin, and the ejector pin has the screw rod section of integrated into one piece and coaxial setting, screw rod section and ejector pin fork middle part threaded connection, and screw rod section threaded connection has the lock nut of contradicting in the ejector pin fork middle part outside, and nearly well department of ejector pin has the plane, and the end connection that the screw rod section was kept away from to the ejector pin has coaxial setting and the top contact of being made by the tungsten steel, and the terminal rounding off of top contact becomes the hemisphere type. The utility model has the advantages of convenient connection, long service life and the like.

Description

Brake and separation and reunion subassembly for footboard

Technical Field

The utility model belongs to the technical field of auto-parts, a braking and separation and reunion subassembly for footboard is related to.

Background

The brake and clutch pedal assembly is the most critical assembly in the automobile control system, and directly influences the smoothness and safety of automobile driving. For example, chinese patent literature discloses a brake pedal assembly [ application No.: 200920027457.6, respectively; authorization notice number: CN201442575U ], which comprises a bracket, a brake arm rotatably mounted on the bracket, the brake arm is provided with a brake pedal and a crank, the crank is hinged with a push rod fork, the push rod fork is fixedly connected with a push rod, and a return device is arranged between the brake arm and the bracket.

The brake pedal assembly has small rolling wear and good guarantee on the stroke, but the ejector rod fork is fixedly connected with the ejector rod through the bolt, the ejector rod is a cylinder, the front end of the ejector rod is a transition cone, and the tail end of the cone is in smooth transition to form a hemispherical shape, so that the ejector rod fork is not conveniently connected with the ejector rod, the ejector rod is easy to wear, and the service life is short.

Disclosure of Invention

The utility model aims at providing a brake and separation and reunion subassembly for footboard that connects convenience, long service life to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a braking and separation and reunion subassembly for footboard, includes ejector pin fork and ejector pin, its characterized in that, the ejector pin screw section that has integrated into one piece and coaxial setting, screw section and ejector pin fork middle part threaded connection, screw section threaded connection have and contradict in the lock nut in the ejector pin fork middle part outside, nearly well department of ejector pin have the plane, the ejector pin keep away from the end connection of screw section have coaxial setting and by the top contact that the tungsten steel made, the terminal rounding off of top contact become the hemisphere type.

In the above-mentioned brake and clutch pedal assembly, a radially outwardly protruding collar is provided at the proximal portion of the carrier rod, and the planes are circumferentially and uniformly distributed on the outer wall of the collar.

In foretell braking and separation and reunion subassembly for footboard, screw rod section cover be equipped with rubber packing ring and the spring that is located between lock nut and the bulge loop, the one end of spring contradict in the bulge loop, the other end of spring contradicts in rubber packing ring, the spring provide elasticity and make rubber packing ring keep conflicting in lock nut's trend throughout.

In foretell an subassembly for brake and separation and reunion footboard, the ejector pin keep away from the tip of screw rod section and have the screw hole of axial extension, the top contact have the screw thread section of threaded connection in the screw hole, the hole depth of screw hole be greater than the length of screw thread section, the top contact have the logical oilhole that the axial is link up, screw thread section, logical oilhole all with the coaxial setting of top contact.

In the above-mentioned subassembly for brake and separation and reunion footboard, the ejector pin fork all be connected with interference fit and be the copper sheathing of tube-shape in supplying two through-holes that the round pin axle wore to establish.

In the above-mentioned brake and clutch pedal assembly, the inner wall of the copper sleeve has a spiral lubricating groove.

Compared with the prior art, the brake and clutch pedal assembly is convenient to connect, good in working stability, good in lubricating property, good in wear resistance and long in service life.

Drawings

FIG. 1 is a schematic front view of the brake and clutch pedal assembly.

FIG. 2 is a schematic cross-sectional view of the brake and clutch pedal assembly.

In the figure, 1, a mandril fork; 2. a top rod; 3. a screw section; 4. locking the nut; 5. a plane; 6. a top contact; 7. a convex ring; 8. a rubber gasket; 9. a spring; 10. a threaded hole; 11. a threaded segment; 12. an oil through hole; 13. a copper sleeve; 14. a lubrication groove.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the assembly for the brake and clutch pedal comprises a push rod fork 1 and a push rod 2, the push rod 2 is provided with a screw rod section 3 which is integrally formed and coaxially arranged, the screw rod section 3 is in threaded connection with the middle of the push rod fork 1, the screw rod section 3 is in threaded connection with a locking nut 4 which is abutted to the outer side of the middle of the push rod fork 1, a plane 5 is arranged at the middle part of the push rod 2, the end part of the push rod 2, which is far away from the screw rod section 3, is connected with a top contact 6 which is coaxially arranged and is made of tungsten steel, and the tail end of the top contact 6 is in smooth transition into a hemispherical shape.

The ejector rod 2 in the assembly for the brake and clutch pedal is directly in threaded connection with the ejector rod fork 1 through the screw section 3, the connection is convenient, the plane 5 is used for being clamped by a spanner, the ejector rod 2 is convenient to rotate, and the locking effect is achieved through the locking nut 4, so that the ejector rod 2 is prevented from being loosened in the using process, the stroke of the clutch is guaranteed to be unchanged, and the use safety is good; the top contact 6 is made of tungsten steel, the wear resistance is good, the hemispherical tail end of the top contact reduces the wear area, and the service life of the ejector rod 2 is prolonged.

In further detail, the nearly middle of ejector pin 2 has radial

evagination bulge loop

7, and 5 circumference equipartitions in the outer wall of bulge loop 7 on the plane, bulge loop 7 increase ejector pin 2's structural strength, the plane 5 processing of being convenient for moreover, and the quantity of plane 5 is six in this embodiment. 3 covers of screw rod section are equipped with rubber packing ring 8 and the spring 9 that is located between lock nut 4 and the bulge loop 7, and the one end of spring 9 is contradicted in bulge loop 7, and the other end of spring 9 is contradicted in rubber packing ring 8, and spring 9 provides elasticity and makes rubber packing ring 8 remain throughout and contradict in lock nut 4's trend, and rubber packing ring 8 and spring 9 play the buffering damping effect, avoid lock nut 4 not hard up, guarantee that the clutch stroke is unchangeable, and the safety in utilization is good.

The end part of the ejector rod 2, which is far away from the screw section 3, is provided with a threaded hole 10 extending axially, the ejection contact 6 is provided with a threaded section 11 connected to the threaded hole 10 in a threaded manner, the hole depth of the threaded hole 10 is larger than the length of the threaded section 11, the ejection contact 6 is provided with an oil through hole 12 communicated axially, and the threaded section 11 and the oil through hole 12 are coaxially arranged with the ejection contact 6. In actual use, lubricating grease is stored in the threaded hole 10, and seeps out of the oil through hole 12 to lubricate the outer surface of the top contact 6, so that contact wear is reduced, and the service life is prolonged.

The two through holes of the ejector rod fork 1 for the pin shaft to penetrate through are connected with copper sleeves 13 which are in interference fit and cylindrical, and the copper sleeves 13 prevent the pin shaft from directly wearing the inner wall of the connecting hole of the ejector rod fork 1, so that the transmission stability is good. The service life of the ejector rod fork 1 is prolonged; the inner wall of copper sheathing 13 has and is spiral helicine lubrication groove 14, and lubrication groove 14 supplies the storage of lubricating grease, and the lubricity is good between copper sheathing 13 and the round pin axle, and wearing and tearing are little, long service life.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a braking and separation and reunion subassembly for footboard, includes ejector pin fork (1) and ejector pin (2), its characterized in that, ejector pin (2) screw section (3) that integrated into one piece and coaxial setting have, screw section (3) and ejector pin fork (1) middle part threaded connection, screw section (3) threaded connection have lock nut (4) of contradicting in the ejector pin fork (1) middle part outside, nearly well department of ejector pin (2) plane (5) have, ejector pin (2) keep away from end connection of screw section (3) have coaxial setting and by top contact (6) that the tungsten steel made, the terminal rounding off of top contact (6) become the type.

2. The assembly as claimed in claim 1, wherein the carrier rod (2) has a radially outwardly protruding collar (7) at the proximal center thereof, and the flat surfaces (5) are circumferentially and uniformly distributed on the outer wall of the collar (7).

3. An assembly for brake and clutch pedal according to claim 2, characterized in that the screw section (3) is sleeved with a rubber washer (8) and a spring (9) between the lock nut (4) and the bulge ring (7), one end of the spring (9) is abutted against the bulge ring (7), the other end of the spring (9) is abutted against the rubber washer (8), and the spring (9) provides elasticity to enable the rubber washer (8) to always keep the tendency of abutting against the lock nut (4).

4. An assembly as claimed in claim 3, characterised in that the end of the carrier rod (2) remote from the screw section (3) has an axially extending threaded bore (10), the top contact (6) has a threaded section (11) which is threadedly engaged in the threaded bore (10), the bore depth of the threaded bore (10) is greater than the length of the threaded section (11), the top contact (6) has an axially extending oil passage bore (12), and the threaded section (11), the oil passage bore (12) and the top contact (6) are coaxially arranged.

5. The assembly for the brake and clutch pedal as claimed in claim 4, wherein the two through holes of the ejector rod fork (1) for the pin shaft to pass through are connected with cylindrical copper sleeves (13) which are in interference fit with each other.

6. An assembly as claimed in claim 5, characterised in that the inner wall of said copper sleeve (13) has a helical lubrication groove (14).