CN220452002U - Integrated rocker arm braking device - Google Patents

Abstract

The utility model discloses an integrated rocker arm braking device which comprises a rocker arm, wherein one side of the rocker arm is fixedly connected with a supporting block, the top surface of the supporting block is in threaded connection with a first adjusting bolt, two U-shaped plates with opposite openings are arranged on the outer sides of the supporting block, two arc-shaped grooves are respectively formed in two sides of each U-shaped plate, internal threads are arranged in each arc-shaped groove, the threads of the internal threads in the two arc-shaped grooves on each U-shaped plate are opposite in rotation direction, the U-shaped plates are in threaded connection with the first adjusting bolt through the internal threads in the arc-shaped grooves, and the U-shaped plates are in telescopic connection with the supporting block. According to the utility model, the position of the first adjusting bolt on the rocker arm can be adjusted by only one screwdriver, and other tools are not required to be used for adjusting, so that the adjusting step of the first adjusting bolt is simplified, and the position of the first adjusting bolt is adjusted by one hand.

Description

Integrated rocker arm braking device

Technical Field

The utility model relates to the technical field of engine braking devices, in particular to an integrated rocker arm braking device.

Background

The engine braking device is an auxiliary braking device for vehicles, which utilizes pumping loss in the process of air intake and exhaust of an engine, compression work consumed by a compression stroke and mechanical loss in the working process to form braking action on driving wheels, and the obtained braking power is stable, can be used for reducing and controlling the average running speed of an automobile when the automobile descends in a long slope, effectively reduces overheat and abrasion of a service braking system caused by long-term continuous working, prolongs the service life of a brake and enhances the running safety of the vehicle.

The rocker arm is one of indispensable parts in the engine, the rocker arm is a lever mechanism for pushing the valve and is used for driving the valve to open and close, when the valve is in a closed state in a cold state of the engine, a gap between the valve and the rocker arm is called a valve clearance, and the valve clearance can be adjusted by adjusting an adjusting bolt on the rocker arm.

In order to push the adjusting bolt to fix, a fastening nut is sleeved on the external thread of the adjusting bolt, when the valve clearance needs to be adjusted, a screwdriver is required to prop against the top surface of the adjusting bolt, then the fastening nut is rotated by a spanner to enable the fastening nut to axially lift, the fastening nut is separated from the top surface of the rocker arm, then the spanner is loosened, and then the adjusting bolt is rotated again to adjust the valve clearance, which is relatively troublesome.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an integrated rocker arm braking device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an integrated form rocking arm arresting gear, includes the rocking arm, one side fixed connection supporting shoe of rocking arm, the top surface screw thread of supporting shoe cup joints first adjusting bolt, the outside of supporting shoe is equipped with two U-shaped boards that the opening is relative, two an arc wall is respectively seted up to the both sides of U-shaped board, every all be equipped with the internal thread in the arc wall, every two on the U-shaped the screw thread of the internal thread in the arc wall revolves to opposite, the U-shaped board passes through the internal thread in the arc wall with first adjusting bolt threaded connection, the U-shaped board with supporting shoe telescopic connection.

As a further description of the above technical solution: the side of supporting shoe is offered two bilateral symmetry's countersunk head grooves, offer by the guide way in the countersunk head groove, sliding connection guide way in the guide way, the side of guide way runs through the second screw hole, second adjusting bolt is cup jointed to second screw hole internal thread, second adjusting bolt cup joints in the countersunk head groove, the terminal horizontal swivelling joint of second adjusting bolt is in the inner wall of guide way, the guide way is close to one side inner wall of U-shaped board runs through the through groove, sliding cross-connection sector in the through groove, the sector with guide way fixed connection, the sector with the inboard sliding connection of U-shaped board.

As a further description of the above technical solution: the inner side of the U-shaped plate is horizontally provided with an inclined plane groove, the sector block is connected in the inclined plane groove in a sliding mode, and the sector block is one-fourth ellipse.

As a further description of the above technical solution: the outer side of supporting shoe is offered the recess, fixed connection telescopic link in the recess, the end of telescopic link with the inboard fixed connection of U-shaped board, be equipped with the spring in the recess, the spring cup joints the outer fringe of telescopic link.

As a further description of the above technical solution: the top surface of supporting shoe runs through first screw hole, first adjusting bolt screw thread cup joints first screw hole.

As a further description of the above technical solution: the rear wall of the guide groove is horizontally provided with a sliding groove, a sliding block is connected in the sliding groove in a sliding mode, and the sliding block is fixedly connected with the guide block.

The utility model has the following beneficial effects:

compared with the prior art, the integrated rocker arm braking device can complete the position adjustment of the first adjusting bolt on the rocker arm only by one screwdriver, and other tools are not required to be used for adjusting, so that the adjusting step of the first adjusting bolt is simplified, and the position of the first adjusting bolt is adjusted by one hand.

Drawings

FIG. 1 is a perspective view of the whole structure of an integrated rocker arm brake device according to the present utility model;

FIG. 2 is an enlarged view showing the connection between a rocker arm and a support block of an integrated rocker arm brake device according to the present utility model;

FIG. 3 is an enlarged partial cross-sectional view of a support block of an integrated rocker arm brake apparatus according to the present utility model;

FIG. 4 is a side sectional view of the whole structure of a support block of an integrated rocker arm brake apparatus according to the present utility model;

fig. 5 is an enlarged view of the structure a in fig. 3 of an integrated rocker arm brake device according to the present utility model.

Legend description:

1. a rocker arm; 2. a first adjusting bolt; 3. a U-shaped plate; 4. a support block; 5. a second adjusting bolt; 6. a countersunk head groove; 7. an arc-shaped groove; 8. a guide groove; 9. a guide block; 10. a second threaded hole; 11. a through groove; 12. an inclined surface groove; 13. a sector block; 14. a groove; 15. a spring; 16. a telescopic rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, the present utility model provides an integrated rocker arm brake apparatus: comprises a rocker arm 1, one side of the rocker arm 1 is fixedly connected with a supporting block 4, the top surface of the supporting block 4 is sheathed with a first adjusting bolt 2, the top surface of the supporting block 4 penetrates through a first threaded hole, the first adjusting bolt 2 is sheathed in the first threaded hole, the outer side of the supporting block 4 is provided with two U-shaped plates 3 with opposite openings, the U-shaped plates 3 are in telescopic connection with the supporting block 4, the outer side of the supporting block 4 is provided with a groove 14, the inner side of the groove 14 is fixedly connected with a telescopic rod 16, the tail end of the telescopic rod 16 is fixedly connected with the inner side of the U-shaped plate 3, a spring 15 is arranged in the groove 14, the spring 15 is sheathed at the outer edge of the telescopic rod 16, two ends of the spring 15 are respectively fixedly connected with the inner wall of the groove 14 and the inner wall of the U-shaped plate 3, two sides of the two U-shaped plates 3 are respectively provided with an arc-shaped groove 7, each arc-shaped groove 7 is internally provided with internal threads, the internal threads of the two arc-shaped grooves 7 on each U-shaped are oppositely rotated, the U-shaped plate 3 is in threaded connection with the first adjusting bolt 2 through internal threads in the arc-shaped groove 7, two countersunk grooves 6 which are symmetrical front and back are formed in the side face of the supporting block 4, a guide block 9 is connected in a sliding manner in the guide groove 8, a sliding groove is formed in the rear wall of the guide groove 8 horizontally, a sliding block is connected in a sliding manner in the sliding groove, the sliding block is fixedly connected with the guide block 9, the side face of the guide block 9 penetrates through a second threaded hole 10, the second adjusting bolt 5 is sleeved in the countersunk groove 6 through the internal threads of the second threaded hole 10, the tail end of the second adjusting bolt 5 is horizontally and rotatably connected to the inner wall of the guide groove 8, one side inner wall of the guide groove 8 close to the U-shaped plate 3 penetrates through a groove 11, the fan-shaped block 13 is connected in a sliding manner in the through groove 11 in a sliding manner, the fan-shaped block 13 is fixedly connected with the inner side of the guide block 9, and the inner side of the U-shaped plate 3 is connected in a sliding manner, the inner side of the U-shaped plate 3 is horizontally provided with an inclined plane groove 12, a sector 13 is slidably connected in the inclined plane groove 12, and the sector 13 is one quarter of an ellipse.

According to the utility model, the position of the first adjusting bolt 2 on the rocker arm 1 can be adjusted by only one screwdriver, and other tools are not required to be used for adjustment, so that the adjusting step of the first adjusting bolt 2 is simplified, and the position of the first adjusting bolt 2 is adjusted by one hand;

working principle: firstly, the second adjusting bolt 5 on the side face of the supporting block 4 is rotated by a screw driver, the second adjusting bolt 5 drives the guide block 9 to axially displace towards the inner side of the guide groove 8, the guide block 9 is simultaneously displaced, the fan-shaped block 13 is driven to displace, the fan-shaped block 13 slides in the inclined plane groove 12 in the U-shaped plate 3, the fan-shaped block 13 pushes the U-shaped plate 3 outwards, the U-shaped plate 3 is separated from the first adjusting bolt 2, the telescopic rod 16 in the groove 14 is simultaneously stretched under the driving of the U-shaped plate 3, the spring 15 is simultaneously stretched, after the U-shaped plates 3 on the two sides of the first adjusting bolt 2 are separated from the U-shaped plate, the first adjusting bolt 2 can be adjusted by the screw driver, after adjustment is completed, the second adjusting bolt 5 is reversely rotated by the screw driver, the guide block 9 displaces towards one side of the countersunk groove 6, the fan-shaped block 13 displaces towards the lowest part of the inner inclined plane groove 12 of the U-shaped plate 3 until the inner side of the U-shaped plate 3 is attached to the supporting block 4 again, the arc-shaped groove 7 on the U-shaped plate 3 is attached to the outer edge of the first adjusting bolt 2, and simultaneously two threads on the U-shaped plate 3 are oppositely screwed to the first adjusting bolt 2.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides an integrated form rocking arm arresting gear, includes rocking arm (1), one side fixed connection supporting shoe (4) of rocking arm (1), first adjusting bolt (2), its characterized in that are cup jointed to the top surface screw thread of supporting shoe (4): the outside of supporting shoe (4) is equipped with two U-shaped boards (3) that the opening is relative, two respectively offer one arc wall (7) in the both sides of U-shaped board (3), every all be equipped with the internal thread in arc wall (7), every two on the U-shaped the screw thread of the internal thread in arc wall (7) revolves to opposite, U-shaped board (3) pass through the internal thread in arc wall (7) with first adjusting bolt (2) threaded connection, U-shaped board (3) with supporting shoe (4) telescopic connection.

2. An integrated rocker arm brake apparatus as claimed in claim 1, wherein: two fore-and-aft symmetrical countersunk grooves (6) are formed in the side face of the supporting block (4), a guide groove (8) is formed in the countersunk groove (6), a guide block (9) is connected in a sliding mode in the guide groove (8), the side face of the guide block (9) penetrates through a second threaded hole (10), a second adjusting bolt (5) is sleeved on the inner thread of the second threaded hole (10), the second adjusting bolt (5) is sleeved in the countersunk groove (6), the tail end of the second adjusting bolt (5) is horizontally and rotatably connected with the inner wall of the guide groove (8), the guide groove (8) is close to one side inner wall penetrating through the guide groove (11) of the U-shaped plate (3), a fan-shaped block (13) is connected in a sliding mode in the guide groove (11), and the fan-shaped block (13) is fixedly connected with the inner side of the U-shaped plate (3).

3. An integrated rocker arm brake apparatus as claimed in claim 2, wherein: the inner side of the U-shaped plate (3) is horizontally provided with an inclined plane groove (12), the sector block (13) is slidably connected in the inclined plane groove (12), and the sector block (13) is a quarter ellipse.

4. An integrated rocker arm brake apparatus as claimed in claim 1, wherein: the outer side of supporting shoe (4) is offered recess (14), fixed connection telescopic link (16) in recess (14), the end of telescopic link (16) with the inboard fixed connection of U-shaped board (3), be equipped with spring (15) in recess (14), spring (15) cup joint the outer fringe of telescopic link (16).

5. An integrated rocker arm brake apparatus as claimed in claim 1, wherein: the top surface of supporting shoe (4) runs through first screw hole, first adjusting bolt (2) screw thread cup joints first screw hole.

6. An integrated rocker arm brake apparatus as claimed in claim 2, wherein: the rear wall of the guide groove (8) is horizontally provided with a sliding groove, a sliding block is connected in the sliding groove in a sliding mode, and the sliding block is fixedly connected with the guide block (9).