CN217320652U

CN217320652U - Foot brake parking device of three-wheeled cargo vehicle

Info

Publication number: CN217320652U
Application number: CN202220317927.8U
Authority: CN
Inventors: 朱广辉
Original assignee: Xuzhou Branch Of Jiangsu Zongshen Automobile Co ltd
Current assignee: Xuzhou Branch Of Jiangsu Zongshen Automobile Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-08-30
Anticipated expiration: 2032-02-16

Abstract

The utility model provides a foot brake parking device of a tricycle cargo vehicle type, which is arranged on a tricycle cargo vehicle frame, wherein a foot brake bent pipe is hinged on the tricycle cargo vehicle frame, and the foot brake parking device also comprises a parking handle, a ratchet wheel, a pawl, a connecting rod and a second spring; the bottom of the parking handle is hinged on the frame of the tricycle truck above the foot brake bent pipe; the ratchet wheel is fixed on one side of the foot brake bent pipe, which is far away from the first spring; one end of the pawl is fixed at the bottom of the parking handle, and the other end of the pawl is movably meshed with the ratchet wheel; one end of the connecting rod is fixed at the bottom of the parking handle; one end of the second spring is fixed on the connecting rod; the utility model relates to an ingenious, the precision cooperation is high, realizes the action of vehicle when the parking through the meshing of one set of ingenious ratchet, pawl, only needs to promote the parking handle forward when the vehicle parking and prevents the automatic return realization parking of foot brake return pipe, only needs the foot once more to step on the foot brake return pipe when the vehicle needs travel, parking handle automatic return, and the parking is automatic to be relieved, and is easy and simple to handle, once pushes away and targets in place.

Description

Foot brake parking device of three-wheeled cargo vehicle

Technical Field

The utility model relates to a tricycle cargo truck technical field specifically is a service brake parking device of tricycle cargo carrying vehicle type.

Background

The existing three-wheel freight vehicle type parking mechanism has more parts and auxiliary fittings, and the parking realizing mechanism is complex. The hand brake is connected with the hand brake stay wire through the special hand brake parking device, and the hand brake stay wire is connected with the brake distribution shaft, so that the parking is realized, and the operation is too complicated.

SUMMERY OF THE UTILITY MODEL

The technical insufficiency to the aforesaid exists, the utility model aims at providing a three-wheeled cargo vehicle type's service brake parking device to solve the problem of mentioning in the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a foot brake parking device of a tricycle truck type is installed on a frame of the tricycle truck, a foot brake bent pipe is hinged on the frame of the tricycle truck, a first spring is connected on the foot brake bent pipe, and the other end of the first spring is connected with the frame of the tricycle truck; the bottom of the parking handle is hinged to the frame of the three-wheel truck above the foot brake bent pipe; the ratchet wheel is fixed on one side of the foot brake bent pipe, which is far away from the first spring; one end of the pawl is fixed at the bottom of the parking handle, and the other end of the pawl faces the ratchet wheel and is movably meshed with the ratchet wheel; one end of the connecting rod is fixed at the bottom of the parking handle, and the other end of the connecting rod extends towards one side far away from the pawl; one end of the second spring is fixed on the connecting rod, and the other end of the second spring is fixed on the frame of the three-wheel cargo truck.

Preferably, the shape of the foot brake elbow is 'L' -shaped; the ratchet wheel is fixed at the bent part of the foot brake bent pipe.

Preferably, one end of the foot brake elbow, which is far away from the ratchet wheel, is hinged to the frame of the three-wheel cargo truck, and a connecting sheet is fixedly arranged on the foot brake elbow; one end of the first spring is connected to the connecting piece, and the other end of the first spring is connected to the frame of the three-wheel cargo truck.

Preferably, the middle part of the parking handle is provided with a bending part, and the top part of the parking handle extends towards one side far away from the ratchet wheel.

Compared with the prior art, the utility model relates to an ingenious, the precision cooperation is high, realizes the action of vehicle when the parking through the meshing of one set of ingenious ratchet, pawl, only needs to promote the automatic return that parking handle prevented the foot brake return pipe forward when the vehicle parking and realizes the parking, only needs the foot once more to step on the foot brake return pipe when the vehicle needs travel, parking handle automatic return, and the parking is automatic to be relieved, and is easy and simple to handle, and one pushes away and targets in place.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the parking state of the present invention.

Wherein:

1. a ratchet wheel; 2. a pawl; 3. a parking handle; 4. a second spring; 5. connecting sheets; 6. a first spring; 7. a connecting rod; 8. foot brake return bend.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 2, a three-wheeled truck type foot brake parking device is mounted on a frame of a three-wheeled truck, wherein a foot brake elbow 8 is hinged on the frame of the three-wheeled truck, the foot brake elbow 8 is used for braking, and is an existing structural part, the foot brake elbow 8 is connected with a first spring 6, the other end of the first spring 6 is connected with the frame of the three-wheeled truck, and the first spring 6 is used for resetting the foot brake elbow 8; the parking device further comprises a parking handle 3, a ratchet wheel 1, a pawl 2, a connecting rod 7 and a second spring 4; the bottom of the parking handle 3 is hinged on the frame of the three-wheeled cargo truck above the foot brake elbow 8, so that the parking handle 3 can rotate on the frame of the three-wheeled cargo truck by a certain angle; the ratchet wheel 1 is fixed on one side of the foot brake bent pipe 8, which is far away from the first spring 6, and the ratchet wheel 1 is in a vertical arrangement state; one end of the pawl 2 is fixed at the bottom of the parking handle 3, the other end faces the ratchet wheel 1 and is movably meshed with the ratchet wheel 1, after the foot brake elbow 8 is stepped down for braking, the parking handle 3 is pushed to drive the pawl 2 to rotate, the front end of the pawl 2 is clamped between teeth of the ratchet wheel 1, and the pawl 2 is used for propping against the ratchet wheel 1 so as to fix the position of the foot brake elbow 8; one end of a connecting rod 7 is fixed at the bottom of the parking handle 3, the other end of the connecting rod extends towards one side far away from the pawl 2, the connecting rod 7 and the pawl 2 are respectively positioned at two sides of the parking handle 3, when the parking handle 3 is rotated to park, the pawl 2 rotates downwards, and the connecting rod 7 rotates upwards; one end of the second spring 4 is fixed on the connecting rod 7, the other end of the second spring is fixed on the frame of the three-wheel cargo vehicle, the connecting rod 7 rotates upwards during parking, the second spring 4 is stretched, and the second spring 4 is used for resetting the parking handle 3.

Further, the foot brake elbow 8 is L-shaped; the ratchet 1 is fixed in the bent position of the foot brake bent pipe 8, so that the contact area between the ratchet 1 and the foot brake bent pipe 8 is larger, the connection is firmer, and the ratchet 1 is prevented from loosening and falling off from the foot brake bent pipe 8.

Furthermore, one end of the foot brake bent pipe 8, which is far away from the ratchet wheel 1, is hinged to the frame of the three-wheel truck, and a connecting sheet 5 is fixedly arranged, and the connecting sheet 5 is vertically fixed on the foot brake bent pipe 8 and extends upwards; one end of the first spring 6 is connected to the upper side position of the connecting sheet 5, and the other end is connected to the frame of the three-wheel cargo vehicle.

Further, the middle part of parking handle 3 is equipped with the portion of bending, and the top orientation of parking handle 3 extends towards the one side of keeping away from ratchet 1, and the driver of being convenient for grips.

When parking is needed, the foot brake bent pipe 8 is stepped downwards to enable the three-wheel truck to be in a braking state, the parking handle 3 is pushed to enable the pawl 2 to be clamped on the ratchet wheel 1, the parking handle 3 is loosened, the pawl 2 is firmly clamped on the outer side face of the upper end of the ratchet wheel 1 under the action of the pulling force of the first spring 6, the foot brake bent pipe 8 cannot rotate upwards at the moment, meanwhile, the parking handle 3 cannot rotate, and parking action is completed; when the parking state needs to be relieved, the parking handle 3 is restored to the initial state under the action of the pulling force of the second spring 4 by only stepping down the foot brake bent pipe 8, the pawl 2 is separated from the ratchet wheel 1, and the foot brake bent pipe 8 is loosened.

Claims

1. A foot brake parking device of a tricycle truck type is installed on a tricycle truck frame, a foot brake bent pipe (8) is hinged on the tricycle truck frame, a first spring (6) is connected to the foot brake bent pipe (8), and the other end of the first spring (6) is connected with the tricycle truck frame, and the foot brake parking device is characterized by further comprising a parking handle (3), a ratchet wheel (1), a pawl (2), a connecting rod (7) and a second spring (4); the bottom of the parking handle (3) is hinged to a frame of the tricycle truck above the foot brake elbow (8); the ratchet wheel (1) is fixed on one side, far away from the first spring (6), of the foot brake bent pipe (8); one end of the pawl (2) is fixed at the bottom of the parking handle (3), and the other end of the pawl faces the ratchet wheel (1) and is movably meshed with the ratchet wheel (1); one end of the connecting rod (7) is fixed at the bottom of the parking handle (3), and the other end of the connecting rod extends towards one side far away from the pawl (2); one end of the second spring (4) is fixed on the connecting rod (7), and the other end of the second spring is fixed on the frame of the three-wheel cargo vehicle.

2. The footbrake parking device of the three-wheeled commercial vehicle type according to claim 1, characterized in that said footbrake bend (8) is "L" -shaped; the ratchet wheel (1) is fixed at the bent part of the foot brake bent pipe (8).

3. The foot brake parking device of the three-wheel truck type according to claim 2, characterized in that one end of the foot brake elbow (8) far away from the ratchet wheel (1) is hinged on the frame of the three-wheel truck and is fixedly provided with a connecting piece (5); one end of the first spring (6) is connected to the connecting piece (5), and the other end of the first spring is connected to the frame of the three-wheel cargo vehicle.

4. The service brake parking device of the three-wheeled truck type according to claim 2, characterized in that the parking handle (3) is provided with a bend in the middle and the top of the parking handle (3) extends towards the side away from the ratchet wheel (1).