CN202935102U

CN202935102U - Tire dismounting device

Info

Publication number: CN202935102U
Application number: CN 201220653457
Authority: CN
Inventors: 王晓光
Original assignee: Sino-italian Taida (Yingkou) Garage Equipment Co Ltd
Current assignee: Sino-italian Taida (Yingkou) Garage Equipment Co Ltd
Priority date: 2012-12-03
Filing date: 2012-12-03
Publication date: 2013-05-15
Anticipated expiration: 2022-12-03

Abstract

The utility model provides a tire dismounting device and relates to the structural improvement of the tire dismounting device. The utility model provides the tire dismounting device which uses a tire dismounting hook movement orbit as a trim flange shape and has large tire dismounting amount. The tire dismounting device provided by the utility model comprises a tire dismounting hook; and the tire dismounting hook consists of a connection part at the upper part and a hook body at the lower part. The tire dismounting device provided by the utility model has the main structural points that the upper end of the connection part is hinged with one end of a driving rod; the other end of the driving rod is hinged with the lower end of a bent rotation arm; the break point of the bent rotation arm is connected with a bracket through a rotation shaft; the upper end of the bent rotation arm is hinged with the output end of a driving device of the tire dismounting hook; the upper part of the connection part is hinged with the upper end of a first connection rod; the lower end of the first connection rod is hinged with the lower end of the bracket; the lower part of the connection part is hinged with the upper end of a second connection rod; and the lower end of the second connection rod is hinged with the lower end of the bracket.

Description

A kind of dismounting device of tyre

Technical field

The utility model relates to the improvement of dismounting device of tyre structure.

Background technology

Motor tire is comprised of wheel rim (metal) and tire (rubber) two parts usually, and wheel rim has along the annular lip of periphery, and the tire lockjaw of elastic caoutchouc tire is buckled on it.The dismounting of tire is exactly that the tire lip of rubber tire is risen on the annular lip of alloy rim, and then tire is separated (installing just in time opposite) with wheel rim.In order to improve the performance of car, tire is towards little aspect ratio (ratio of tire section height and tire height), sclerine tire future development, and this has brought difficulty with regard to the dismounting of giving tire.Traditional manual crowbar is torn the development that tire can not satisfy auto-industry open, have new tyre-removing tool and equipment to adapt to the development of tire technology.The device of tyre of tearing open of Italy Ke Ji company is that typical four-bar linkage is controlled the path of motion of tearing the tire hook open, but it moves by gear transmission, and complex structure, hook tire power is little and tear the tire hook open easily scratches tire, and single unit system is unsuitable for the upgrading of old-fashioned tyre detacher.The device of tyre of tearing open of Italy good company of a specified duration is that a cam path and connecting rod are controlled the path of motion of tearing the tire hook open, and single unit system is applicable to the upgrading of old-fashioned tyre detacher, but the shortcoming such as there is mechanical transfer in cam structure efficient is low, service life is short.

Summary of the invention

The utility model is exactly for the problems referred to above, provides that a kind of to tear tire hook path of motion open be the rim flange shape, tear the large dismounting tire device of tire strength open.

For achieving the above object, the utility model adopts following technical scheme, the utility model comprises tears the tire hook open, tearing the tire hook open is comprised of top connecting portion and bottom coupler body, its structural feature connecting portion upper end and drive spindle one end are hinged, the drive spindle other end and crooked pivoted arm lower end are hinged, and crooked pivoted arm flex point place is connected with support by rotating shaft, and crooked pivoted arm upper end is with to tear tire hook actuating device mouth open hinged; Described connecting portion top and first connecting rod upper end are hinged, and first connecting rod lower end and support lower end are hinged, and connecting portion bottom and second connecting rod upper end are hinged, and second connecting rod lower end and support lower end are hinged.

As a kind of preferred version, support described in the utility model bottom is provided with to make tears that the tire hook is stable, arc guide barrel accurately open; Described connecting portion middle part is provided with bearing pin, and on bearing pin, cover has roller, roller and the engagement of described arc guide barrel.

As another kind of preferred version, support described in the utility model lower end is provided with the wheel rim pressure head, is provided with the movable arm mounting hole on the wheel rim pressure head.

As another kind of preferred version, the tire hook actuating device of tearing open described in the utility model is cylinder, and the cylinder upper end is hinged by bolt and support upper end cylinder block.

As another kind of preferred version, the hinged bearing pin that is described in the utility model connects.

As another kind of preferred version, the joint face of wheel rim pressure head described in the utility model and support is clinoplane, and the wheel rim pressure head is connected by fastener with support.

Secondly, below wheel rim pressure head described in the utility model, the front-end and back-end of press section are provided with neonychium.

In addition, the bottom of support described in the utility model is buckled with protective case.

The utility model beneficial effect.

The utility model is by tearing the four-bar linkage of tire hook, support, first connecting rod, second connecting rod composition open, making the path of motion of tearing tire hook bottom coupler body open is the rim flange shape, can make the flange that is adjacent to wheel rim when tearing tire hook fortune open, tear open in the use procedure of tire hook and do not injure tire.

Secondly, crooked pivoted arm one end and drive spindle are hinged, and be middle hinged with support, the other end and to tear tire hook actuating device mouth open hinged; Crooked pivoted arm can amplify the power that transmits, and the strength of tearing the tire hook open becomes large, is particularly suitable for the dismounting of sclerine tire.

In addition, the utility model is simple in structure, cost is low, easy manufacturing, easy to install.

Description of drawings

Below in conjunction with the drawings and specific embodiments, the utility model is described further.Statement Fig. 1 that the utility model protection domain not only is confined to following content is the utility model structural representation.

Fig. 2 is that the utility model uses constitution diagram.

Fig. 3～Fig. 7 adopts the utility model remove a tyre process schematic diagram.

In figure, 1 is that protective case, 2 is that coupler body, 3 is that second connecting rod, 4 is that first connecting rod, 5 is that connecting portion, 6 is that crooked pivoted arm, 7 is that arc guide barrel, 8 is that piston rod, 9 is that cylinder, 10 is that support, 11 is that control cock, 12 is that movable arm mounting hole, 13 is that wheel rim pressure head, 14 is that neonychium, 15 is that joint face, 16 is that roller, 17 is that drive spindle, 18 is that bearing pin, 19 is that tire lip, 20 is that annular lip, 21 is that movable arm, 22 is wheel rim.

The specific embodiment

As shown in the figure, the utility model comprises tears the tire hook open, tearing the tire hook open is comprised of top connecting portion 5 and bottom coupler body 2, connecting portion 5 upper ends and drive spindle 17 1 ends are hinged, drive spindle 17 other ends and crooked pivoted arm 6 lower ends are hinged, crooked pivoted arm 6 flex point places are connected with support 10 by rotating shaft, crooked pivoted arm 6 upper ends and to tear tire hook actuating device mouth open hinged; Described connecting portion 5 tops and first connecting rod 4 upper ends are hinged, and first connecting rod 4 lower ends and support 10 lower ends are hinged, and connecting portion 5 bottoms and second connecting rod 3 upper ends are hinged, and second connecting rod 3 lower ends and support 10 lower ends are hinged.

Described support 10 bottoms are provided with to make tears that the tire hook is stable, arc guide barrel 7 accurately open; Described connecting portion 5 middle parts are provided with bearing pin 18, and on bearing pin 18, cover has roller 16, roller 16 and described arc guide barrel 7 engagements.This bearing pin 18 passes the arc guide barrel 7 and the concentric free-running fit of roller 16 of support 10, the opposite side of support 10 again with these bearing pin 18 concentric free-running fits of use back-up ring, use again a self lock nut thread connection, make and tear tire hook plane open and support 10 plane relative gaps are fixed, increase the stability of tearing the motion of tire hook open.Described support 10 lower ends are provided with wheel rim pressure head 13, are provided with movable arm mounting hole 12 on wheel rim pressure head 13.Being convenient to the utility model by movable arm mounting hole 12 is connected with movable arm 21; Be applicable to the upgrading of old-fashioned tyre detacher.

The described tire hook actuating device of tearing open is cylinder 9, and cylinder 9 upper ends are hinged by bolt and 9, support 10 upper end cylinder.

The described hinged bearing pin that is connects.

Described wheel rim pressure head 13 is clinoplane with the joint face 15 of support 10, and wheel rim pressure head 13 is connected by fastener with support 10.Connect by fastener, be convenient to the dismounting of wheel rim pressure head 13.

Below described wheel rim pressure head 13, the front-end and back-end of press section are provided with neonychium 14.Neonychium 14 can carry out the actv. protection to wheel rim 22.

The bottom of described support 10 is buckled with protective case 1.Protective case 1 can effectively be protected four-bar linkage.

Install and working process below in conjunction with description of drawings the utility model.

At first wheel rim pressure head 13 is installed to movable arm 21 lower ends of tyre detacher, is bolted and gets final product.Movable arm 21 drives on the annular lip 20 of alloy rim 22 that wheel rim pressure heads Shang Xia 13, horizontal motion are pressed in tire, and the neonychium 14 on wheel rim pressure head 13 contacts with alloy rim 22 annular lip 20, tears tire hook lower end open and is pressed on annular lip 20 and tire lip 19.Fig. 4 and Fig. 5 enter mode of operation for tearing tire hook 4 open, press dynamic air cylinder 9 control cock 11 downwards, cylinder 9 piston rods 8 stretch out, promoting crooked pivoted arm 6 rotates counterclockwise, crooked pivoted arm 6 promotes to tear the tire hook open by drive spindle 17 and moves downward, tearing tire open, to be hooked in first connecting rod 4(long), second connecting rod 3(is short) orbiting motion that limits of four connecting rods that form, tear the track of tire hook lower end edge annular lip 20 open, be inserted between the tire lip 19 of the annular lip 20 of alloy rim 22 and rubber tire, continue to move downward lowermost end, tire lip 19 is hooked in the lower end of tearing the tire hook open.Fig. 6 and Fig. 7 are the return state of the work that enters, upwards press dynamic air cylinder 9 control cock 11, cylinder 9 piston rods 8 are retracted, pull crooked pivoted arm 6 to clockwise rotate, crooked pivoted arm 6 pulls by drive spindle 17 and tears the tire hook open upwards, and the lower end edge track of tearing the tire hook open hooks tire lip 19 and upwards extracts, until tire lip 19 is risen on annular lip 20, at this moment rotating tire's, be about to tyre and rim 22 and separate.

Dress tire process is: with the inboard of tire lip 19 be placed on wheel rim pressure head 13 above, press dynamic air cylinder 9 control cock 11 downwards, tear back, tire hook lower end round end open tire lip 19 outsides be pressed into annular lip 20 lower surfaces, rotating tire's, soon tire is installed on wheel rim 22; Then upwards press dynamic air cylinder 9 control cock 11, will tear the tire hook open and lift.

Be understandable that, above about specific descriptions of the present utility model, only for the utility model being described and being not to be subject to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can modify or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as satisfy, all within protection domain of the present utility model.

Claims

1. dismounting device of tyre, comprise and tear the tire hook open, tearing the tire hook open is comprised of top connecting portion (5) and bottom coupler body (2), it is characterized in that connecting portion (5) upper end and drive spindle (17) one ends are hinged, drive spindle (17) other end and crooked pivoted arm (6) lower end are hinged, crooked pivoted arm (6) flex point place is connected with support (10) by rotating shaft, crooked pivoted arm (6) upper end and to tear tire hook actuating device mouth open hinged; Described connecting portion (5) top and first connecting rod (4) upper end are hinged, and first connecting rod (4) lower end and support (10) lower end are hinged, and connecting portion (5) bottom and second connecting rod (3) upper end are hinged, and second connecting rod (3) lower end and support (10) lower end are hinged.

2. a kind of dismounting device of tyre according to claim 1 is characterized in that described support (10) bottom is provided with to make to tear that the tire hook is stable, arc guide barrel (7) accurately open; Described connecting portion (5) middle part is provided with bearing pin (18), and the upper cover of bearing pin (18) has roller (16), roller (16) and described arc guide barrel (7) engagement.

3. a kind of dismounting device of tyre according to claim 1 is characterized in that described support (10) lower end is provided with wheel rim pressure head (13), is provided with movable arm mounting hole (12) on wheel rim pressure head (13).

4. a kind of dismounting device of tyre according to claim 1, is characterized in that the described tire hook actuating device of tearing open is cylinder (9), and cylinder (9) upper end is hinged by bolt and support (10) upper end cylinder (9) seat.

5. a kind of dismounting device of tyre according to claim 1, is characterized in that the described hinged bearing pin that is connects.

6. a kind of dismounting device of tyre according to claim 3, is characterized in that described wheel rim pressure head (13) and the joint face (15) of support (10) are clinoplane, and wheel rim pressure head (13) is connected by fastener with support (10).

7. a kind of dismounting device of tyre according to claim 3 is characterized in that the front-end and back-end of press section are provided with neonychium (14) below described wheel rim pressure head (13).

8. a kind of dismounting device of tyre according to claim 1, is characterized in that the bottom of described support (10) is buckled with protective case (1).