CN212386252U - Shovel arm mechanism of tire changer - Google Patents

Abstract

The utility model relates to a shovel arm mechanism of tire dismouting machine, including workstation, separation arm, horizontal pull rod, box and jack catch, workstation bottom and top are connected with box and jack catch respectively, the separation arm is fixed on the stand, the clamp splice that is connected with the horizontal pull rod is installed through the pivot to box one side, the separation arm includes the board of bending with stand welded fastening, the through-hole has all been seted up at the board both ends of bending, through-hole one end is realized locking fixedly through selling epaxial hex bolts, the outside crossbeam of selling the axle is arranged in and is connected with the board of bending, stand one end fixed mounting is kept away from to crossbeam one side has the rocking arm, pressure spring on the rocking arm top runs through the locking board and extends to on the locking seat cap, the bolt that connects through the pressure lever cap on the locking seat cap realizes fixedly. Has the advantages that: the utility model relates to a rationally, compact structure, transmission efficiency is high, and the personnel of being convenient for operate, have improved the life of device, and anti-seismic performance is strong.

Description

Shovel arm mechanism of tire changer

Technical Field

The utility model relates to a tire shovel arm technical field of mechanism, concretely relates to shovel arm mechanism of tire dismouting machine.

Background

The tire changer, also called tire changer and tire remover, is used for installing and unloading automobile tires, can change tires for different vehicles such as automobiles, motorcycles, heavy trucks and the like, and is a necessary device for automobile maintenance factories and 4S shops. There are two types, pneumatic and hydraulic, and the most common is pneumatic.

The separation arm on the tire dismouting machine is located the one side of tearing the tire machine open, mainly be used for coming tire and rim separation, can guarantee to tear the child and go on smoothly, thereby the shovel arm mechanism on the current dismouting machine mainly reciprocates the depression bar that drives on the connecting rod together through the rocker is direct to move, this kind of project organization is comparatively simple, transmission efficiency is not high, hard wastes time, be unfavorable for personnel's operation, and also do not have corresponding buffer between the driving medium to resist external vibrations.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reasonable in design, compact structure, the shovel arm mechanism of the tire dismouting machine of high and the personnel's of being convenient for operation of transmission efficiency and anti-seismic performance are strong is realized through following scheme.

In order to realize the above purpose, the utility model discloses a technical scheme be: a shovel arm mechanism of a tire changer comprises a workbench, a separating arm, a horizontal pull rod, a box body and a clamping claw, wherein the bottom end and the top end of the workbench are respectively connected with the box body and the clamping claw, the separating arm is fixed on a stand column, a clamping block connected with the horizontal pull rod is installed on one side of the box body through a rotating shaft, the separating arm comprises a bending plate fixedly welded with the stand column, through holes are formed in two ends of the bending plate, one end of each through hole is locked and fixed through a hexagon bolt on a pin shaft, a cross beam connected with the bending plate is arranged outside the pin shaft, a rocker arm is fixedly installed on one side of the cross beam far away from one end of the stand column, a compression spring on the top end of the rocker arm penetrates through the locking plate and extends to a locking seat cap, the locking seat cap is fixed through a bolt connected with the compression rod cap, and, the outer wall of the rotary table is provided with a push block movably connected with the locking seat through a connecting rod, the push block is fixed on the eccentric bearing bush and fixed with a hexagon screw on the locking plate through a nut, and the bottom end of the rocker arm is fixedly provided with a dismounting head through a pressing rod.

Further, install the hexagonal pole antivibration pad between depression bar and the dismouting head, the overhead interior hexagonal blind rivet bolt of dismouting realizes locking fixedly with the trompil on the depression bar, just the first bottom of dismouting realizes further fixedly through the outer hexagon bolt on the flat pad.

Furthermore, one side of the bending plate, which is close to the upright post, is connected with a reinforcing oblique rod.

Further, the bottom end of the stand column is provided with a reinforcing inclined plane connected with the box body, and the periphery of the reinforcing inclined plane is connected with the ground through foundation bolts.

Furthermore, the locking seat is provided with a blocking sleeve positioned between the locking plate and the locking seat along the moving direction of the push block.

The technical effects of the utility model reside in that: when the tire needs to be disassembled and assembled, at first, the jack catch on the workstation is clamped and fixed to it, handle on the rethread rotating beam, the rotation of handle can drive the carousel and move together, the carousel passes through the connecting rod with power and transmits the ejector pad on, the locking board on the ejector pad can promote pressure spring and do reciprocating this moment, pressure spring promotes the dismouting head on the depression bar and moves this moment, thereby carry out the dismouting operation with the dismouting head laminating mutually with the tire, the shovel arm mechanism of such tire dismouting machine has improved performance greatly, and reasonable design, moreover, the steam generator is compact in structure, high transmission efficiency, the personnel's operation of being convenient for, the service life of device is prolonged, anti-seismic performance is strong.

Drawings

FIG. 1 is a schematic structural view of a shovel arm mechanism of the tire changer of the present invention;

fig. 2 is a schematic structural view of the separation arm of the present invention.

Reference numerals: 1-a workbench; 2-a separation arm; 3-horizontal pull rod; 4-a box body; 5-clamping jaws; 6-upright post; 7-a clamping block; 8-bending the plate; 9-a through hole; 10-a pin shaft; 11-hex bolts; 12-a cross beam; 13-a rocker arm; 14-a hold-down spring; 15-locking plate; 16-locking seat cap; 17-a pressure bar cap; 18-a handle; 19-a turntable; 20-a locking seat; 21-a push block; 22-eccentric bearing bush; 23-a pressure bar; 24-a disassembly head; 25-anti-vibration pad; 26-anti-vibration pad.

Detailed Description

Referring to the attached drawings 1-2, a shovel arm mechanism of a tire changer comprises a workbench 1, a separating arm 2, a horizontal pull rod 3, a box body 4 and a clamping claw 5, wherein the bottom end and the top end of the workbench 1 are respectively connected with the box body 4 and the clamping claw 5, the separating arm 2 is fixed on an upright post 6, a clamping block 7 connected with the horizontal pull rod 3 is installed on one side of the box body 4 through a rotating shaft, the separating arm 2 comprises a bending plate 8 welded and fixed with the upright post 6, through holes 9 are formed in two ends of the bending plate 8, one end of each through hole 9 is locked and fixed through a hexagon bolt 11 on a pin shaft 10, a cross beam 12 connected with the bending plate 8 is arranged outside the pin shaft 10, a rocker arm 13 is fixedly installed at one end, far away from the upright post 6, of one side of the cross beam 12, a compression spring 14 on the top end of the rocker, the locking seat cap 16 is fixed through a bolt connected with a pressure rod cap 17, a rotary table 19 connected with a handle 18 is arranged between the locking seat cap 16 and the cross beam 12, a push block 21 movably connected with a locking seat 20 is mounted on the outer wall of the rotary table 19 through a connecting rod, the push block 21 is fixed on an eccentric bearing bush 22 and fixed with a hexagon screw on a locking plate 15 through a nut, and a dismounting head 24 is fixedly mounted at the bottom end of the rocker arm 13 through a pressure rod 23.

The specific embodiment of this scheme does, install hexagonal pole antivibration pad 25 between depression bar 23 and the dismouting head 24, the trompil on the interior hexagonal clinch bolt on the dismouting head 24 and the depression bar 23 is realized locking fixedly, just outer hexagon bolt through the flat pad in the first 24 bottoms of dismouting realizes further fixedly, and hexagonal pole antivibration pad 25 between depression bar 23 and the dismouting head 24 can effectual increase contact surface between the structure, and the paralysed 14 that compresses tightly on the cooperation rocking arm 13 can play good cushioning effect, and the interior hexagonal clinch bolt that sets up on the dismouting head 24 and the outer hexagon bolt on the flat pad not only can increase the stability that the device is connected, also can conveniently carry out the dismouting to subsequent maintenance operation of being convenient for.

The concrete embodiment of this scheme does, the spacer sleeve that is located between locking plate 15 and the locking seat 20 is installed along ejector pad direction of motion to locking seat 20, and the spacer sleeve bar of connecting on locking seat 20 not only the effectual outside of protecting locking seat 20, also can play spacing protection's effect to the ejector pad motion in addition, the ejector pad that the connecting rod is connected can effectual increase arm of force distance to reach laborsaving effect.

The concrete embodiment of this scheme does, 6 bottoms of stand are equipped with the reinforcement inclined plane that box 4 is connected, and consolidates all through rag bolt and be connected with ground on the inclined plane, 8 one sides that are close to stand 6 of the board of bending are connected with the reinforcement down tube 26.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The shovel arm mechanism of the tire changer comprises a workbench (1), a separating arm (2), a horizontal pull rod (3), a box body (4) and a clamping claw (5), wherein the bottom end and the top end of the workbench (1) are respectively connected with the box body (4) and the clamping claw (5), the separating arm (2) is fixed on a stand column (6), a clamping block (7) connected with the horizontal pull rod (3) is installed on one side of the box body (4) through a rotating shaft, the shovel arm mechanism is characterized in that the separating arm (2) comprises a bending plate (8) fixedly welded with the stand column (6), through holes (9) are formed in both ends of the bending plate (8), one end of each through hole (9) is locked and fixed through a hexagon bolt (11) on a pin shaft (10), a cross beam (12) connected with the bending plate (8) is arranged outside the pin shaft (10), one end of the cross beam (12) far away from the stand column (6) is fixedly provided with a, compression spring (14) on rocking arm (13) top run through locking plate (15) and extend to on locking seat cap (16), realize fixedly through the bolt of depression bar cap (17) connection on locking seat cap (16), be equipped with carousel (19) that are connected with handle (18) between locking seat cap (16) and crossbeam (12), install ejector pad (21) with locking seat (20) swing joint through the connecting rod on carousel (19) outer wall, ejector pad (21) are fixed on eccentric axle bush (22) and are realized fixing through the hexagon screw on nut and the locking plate (15), rocking arm (13) bottom is through depression bar (23) fixed mounting dismouting head (24).

2. The shovel arm mechanism of the tire changer according to claim 1, wherein a hexagonal rod vibration-proof pad (25) is installed between the pressing rod (23) and the disassembling head (24), an inner hexagonal clinch bolt on the disassembling head (24) is locked and fixed with an opening on the pressing rod (23), and the bottom end of the disassembling head (24) is further fixed through an outer hexagonal bolt on a flat pad.

3. The shovel arm mechanism of the tire changer according to claim 1, wherein a reinforcing diagonal bar (26) is connected to the side of the bending plate (8) close to the upright (6).

4. The shovel arm mechanism of the tire changer according to claim 1, wherein the bottom end of the upright post (6) is provided with a reinforcing inclined plane connected with the box body (4), and the periphery of the reinforcing inclined plane is connected with the ground through anchor bolts.

5. The shovel arm mechanism of a tyre changer according to claim 1, characterized in that the locking seat (20) is fitted with a collar between the locking plate (15) and the locking seat (20) in the direction of the pusher movement.

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