CN207128519U - Tyre dismounting power assisting device - Google Patents
Tyre dismounting power assisting device Download PDFInfo
- Publication number
- CN207128519U CN207128519U CN201721028951.5U CN201721028951U CN207128519U CN 207128519 U CN207128519 U CN 207128519U CN 201721028951 U CN201721028951 U CN 201721028951U CN 207128519 U CN207128519 U CN 207128519U
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- forearm
- guide pillar
- self
- tyre dismounting
- assisting device
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Abstract
The utility model discloses a kind of tyre dismounting power assisting device, including big arm seat, large arm, guide pillar, first forearm and the second forearm, the large arm is provided with fixed cover, it is provided with the fixed cover positioned at middle stage clip and the alignment pin positioned at stage clip both ends, the side wall of the fixed cover is provided with positioned at middle circular hole and the waist-shaped hole positioned at circular hole both ends, the alignment pin is provided with mandrel, the mandrel of two alignment pins passes through the waist-shaped hole of correspondence position, cam is housed on the circular hole of fixed cover, the cam is provided with two curved holes, two mandrels are each passed through a curved hole, the cam is provided with rotating handles, the upper and lower plates of the big arm seat are provided with positioning hole corresponding with the upper and lower ends of fixed cover.Tyre dismounting power assisting device described in the utility model realizes the automatic positioning function of large arm and the strong fix of the first forearm, strengthens the stability of operation, can adjust guide pillar center and deep bid center, simple installation, adjustment is quick, does not damage tyre and rim.
Description
Technical field
It the utility model is related to Automobile Service vapour and protect technical field, and in particular to a kind of tyre dismounting power assisting device.
Background technology
Tire changer does not such as have power assisting device during more than 16 " the larger tire and trouble-proof tire of tyre dismounting
Assist, it is difficult to the disassembling operations of tire are completed, and the power-assisted hand system filled in tire changer both sides generally used at present
It is bulky, floor space is wide, lays particular stress on unstable and cumbersome, installation inconvenience, production cost, packaging and cost of transportation are high,
And cause the complaint of user.To solve the above problems, my company have developed " tyre-dismantling assistor " before 10 years, and declare and award
Utility model patent, the patent No. " ZL200720010525.9 " are weighed, this power assisting device is installed on the swing arm of tire changer
Seat, cylinder piston drive the pressure roller that upper underarm is connected to carry out vertical displacement movement with pressure fetal head, realized in tyre dismounting operation
Pressure tire assist function, and simple to operate, easy to use, tyre dismounting efficiency high.Production cost is low simultaneously, is users
The product welcome and approved.But the design of the power-assisted hand still suffers from following shortcoming：Power-assisted hand guide pillar and the big disk center of changer
The heart is adjusted it is difficult；The radial direction of guide pillar is not fixed；The location structure of large arm is inconvenient for operation.
Utility model content
The utility model is directed to the proposition of problem above, a kind of and tyre dismounting power assisting device of research and design.This practicality is new
The technological means that type uses is as follows：
A kind of tyre dismounting power assisting device, including big arm seat, large arm, guide pillar, the first forearm and the second forearm, the large arm
It is arranged on by bearing pin on big arm seat, the guide pillar is through large arm and can slide axially, and is additionally provided with the large arm for controlling
The cylinder that guide pillar slides, first forearm and the second forearm are arranged on the bottom of guide pillar and can rotated around guide pillar, described first
Sliding sleeve is equipped with forearm and the second forearm, the sliding sleeve is provided with pressure roller or pressure fetal head, and the lower end of the guide pillar is provided with tire
Assembling, the large arm are provided with fixed cover, are provided with positioned at middle stage clip in the fixed cover and determine positioned at stage clip both ends
Position pin, the side wall of the fixed cover are provided with middle circular hole and the waist-shaped hole positioned at circular hole both ends, the alignment pin
Provided with mandrel, the mandrel of two alignment pins passes through the waist-shaped hole of correspondence position, and cam, the cam are housed on the circular hole of fixed cover
Two curved holes are provided with, two mandrels are each passed through a curved hole, and the cam is provided with rotary handle, the big arm seat
Upper and lower plates be provided with positioning hole corresponding with the upper and lower ends of fixed cover.
Further, fixed between the piston rod and guide pillar of the cylinder by connecting plate, the side of the connecting plate is provided with more
Individual counterbore, first forearm are provided with self-locking key seat, and the self-locking key seat is provided with self-locking hole, is provided through on self-locking key seat
The self-lock pin of self-locking hole, the outside of the self-locking key seat are provided with catch, self-locking stage clip, institute are provided between the catch and self-lock pin
The one end for stating self-lock pin stretching catch is provided with position fixing handle, and the other end and the counterbore of the self-lock pin coordinate.
Further, the large arm is provided with three position five-way valve, for connecting the air inlet-outlet pipe up and down of gas source pipe and cylinder.
Further, the upper cover of piston rod of the cylinder has cushion pad, and the cushion pad is arranged between large arm and connecting plate.
Further, the lower end of the guide pillar is provided with quick change component, and the quick change component includes being revolved relative to each other
The correspondence position of the inner sleeve and overcoat turned, the inner sleeve and overcoat lower edge is provided with construction opening, the inwall week of the overcoat
The chute being connected with construction opening is provided with upwards, and the upper end of the tyre dismounting part is equipped with what is coordinated with construction opening and chute
Bearing pin is installed.
Further, the guide pillar is prismatic.
Further, the lower plate of the big arm seat is provided with the waist-shaped hole of more than three, and the big arm seat passes through waist-shaped hole
Be bolted on the column of tire changer.
Further, the tyre dismounting part is pressure fetal head, holds in the palm placenta or centering cone, the material of the tyre dismounting part
For nylon.
Compared with the prior art, tyre dismounting power assisting device described in the utility model has advantages below：
1st, the upper and lower plates pin-and-hole of big arm seat can be automatically loaded using two alignment pins of cam driven, realizes the automatic fixed of large arm
Bit function, large arm positioning is firm, and under remove the rotary handle of cam, alignment pin automatically disengages big arm seat upper and lower plates, unblock side
Just, fast；
2nd, the self-locking device of the first forearm installation, the self-locking group that self-lock pin, self-locking stage clip, catch and position fixing handle are formed
Part is engaged the strong fix for realizing the first forearm with the counterbore of connecting plate, easy to operate；
3rd, by three position five-way valve control cylinder drive its piston, piston rod, connecting plate, guide pillar, the first forearm, the second forearm and
The vertical lifts such as pressure roller, pressure fetal head, to realize every assist function in tyre dismounting operating process, further simplify behaviour
Make, improve convenience；
4th, guide pillar dislocation, the stability of enhancing tyre dismounting operation can be prevented using prismatic guide pillar；
5th, quick change component is installed in guide pillar lower end, on demand timely re-type assembling, and replacement operation is simple, and speed is fast,
Improve the operating efficiency of tyre dismounting；
6th, tyre dismounting power assisting device by waist-shaped hole and is bolted on the column of tire changer adjustable guide pillar
Center and changer deep bid center, simple installation, adjustment are quick；
7th, tyre dismounting part uses high-strength nylon material, does not damage tyre and rim.
Brief description of the drawings
Fig. 1 is the partial exploded view of the utility model embodiment.
Fig. 2 is the overall structure diagram of the utility model embodiment.
Embodiment
As depicted in figs. 1 and 2, a kind of tyre dismounting power assisting device, including big arm seat 1, large arm 2, guide pillar 5, the first forearm
14 and second forearm 15, the large arm 1 be arranged on by bearing pin 3 on big arm seat 1, the guide pillar 5 is through large arm 2 and can axially slide
Dynamic, guide pillar 5 is fitted into six square sets of large arm 2, after upper end loads upper cushion 31, is locked with plain cushion and bolt, in the large arm 2
Be additionally provided with for control guide pillar 5 slide cylinder 4, the forearm 15 of the first forearm 14 and second be arranged on the bottom of guide pillar 5 and
It can be rotated around guide pillar 5, the first forearm 14 and the second forearm 15 are sequentially loaded into the bottom axle platform of guide pillar 5, solid with plain cushion 16 and jump ring 17
It is fixed and free to rotate.Sliding sleeve 19 is equipped with the forearm 15 of first forearm 14 and second, the sliding sleeve 19 is provided with pressure roller
Or fetal head is pressed, in the present embodiment, the sliding sleeve 19 of the first forearm 14 is provided with pressure roller, and the sliding sleeve 19 of the second forearm 15 is provided with pressure tire
Head, in order to realize fixation, fixed jackscrew can also be set on sliding sleeve 19, and the lower end of the guide pillar 5 is provided with tyre dismounting part, institute
Tyre dismounting part is stated as pressure fetal head 25, support placenta 28 or centering cone, centering cone can be long centering cone 27 or short centering
Cone 26, the material of the tyre dismounting part and pressure roller is preferably nylon, avoids damage to tire or wheel rim, is felt relieved in Fig. 2 with long
Illustrated exemplified by the installment state of cone 27, other several tyre dismounting parts are changed as needed.The large arm 2
Fixed cover 20 is provided with, is provided with the fixed cover 20 positioned at middle stage clip 8 and the alignment pin 7 positioned at stage clip both ends, it is described
The side wall of fixed cover 20 is provided with is provided with mandrel positioned at middle circular hole and the waist-shaped hole positioned at circular hole both ends, the alignment pin
10, the mandrel 10 of two alignment pins 7 passes through the waist-shaped hole of correspondence position, and cam 6, the cam are housed on the circular hole of fixed cover 20
6 are provided with two curved holes 30, and two mandrels 10 are each passed through a curved hole 30, and the cam 6 is provided with rotary handle, institute
The upper and lower plates for stating big arm seat 1 are provided with positioning hole 31 corresponding with the upper and lower ends of fixed cover 20.
Fixed between the piston rod and guide pillar of the cylinder 4 by connecting plate 13, the side of the connecting plate 13 is provided with multiple sink
Hole 38, first forearm 14 are provided with self-locking key seat 33, and the self-locking key seat 33 is provided with self-locking hole, set on self-locking key seat 33
Have a self-lock pin 24 through self-locking hole, the outside of the self-locking key seat 33 is provided with catch 22, the catch 22 and self-lock pin 24 it
Between be provided with self-locking stage clip 23, one end that the self-lock pin 24 stretches out catch 22 is provided with position fixing handle 21, the self-lock pin 24 it is another
One end coordinates with counterbore 38.
The large arm 2 is provided with three position five-way valve 11, for connecting the air inlet-outlet pipe up and down of gas source pipe and cylinder 4.
The upper cover of piston rod of the cylinder 4 has cushion pad 12, and the cushion pad 12 is arranged between large arm 2 and connecting plate 13,
Avoid producing shock between connecting plate and large arm.
The lower end of the guide pillar 5 is provided with quick change component 18, and the quick change component 18 includes what can be rotated relative to each other
The correspondence position of inner sleeve 34 and overcoat 35, the inner sleeve 34 and the lower edge of overcoat 35 is provided with construction opening 36, the overcoat
Inwall circumference is provided with the chute that is connected with construction opening 36, the upper end of the tyre dismounting part be equipped with construction opening 36 and
The installation bearing pin 37 that chute coordinates.
The guide pillar 5 is prismatic, and the present embodiment uses hexagon guide pillar, can prevent guide pillar dislocation, and enhancing tire is torn open
Fill the stability of operation.
The lower plate of the big arm seat 1 is provided with the waist-shaped hole of more than three, and the big arm seat 1 passes through waist-shaped hole and bolt 32
It is fixed on the column 33 of tire changer, in the present embodiment, big arm seat 1 is provided with five waist-shaped holes, tyre dismounting power-assisted dress
Put to be fixed on the column of tire changer by waist-shaped hole and bolt 32 and can adjust the center of guide pillar 5 and changer deep bid centre bit
Put, simple installation, adjustment is quick.
In tyre-disassembling, the tire for shoveling pine should be placed on the deep bid of tire changer, be locked with claw first, Gu
Determine tyre rim, but often due to claw supports tire, claw can not lock wheel rim, can be by the tyre dismounting described in the present embodiment
The large arm 2 of power assisting device is placed in operating position, while two-piece alignment pin 7 is fitted into the positioning hole of big arm seat 1, big arm seat 1
Upper end and rear portion have interior hexagonal round head bolt 29 spacing, make the strong fix of large arm 2.According to the upper-lower position of wheel rim from short fixed
Its spindle nose and installation bearing pin 37 are loaded hole and installation in the inner-outer sleeve of quick change component 18 and opened by heart cone 26 or long centering cone 27
In mouthfuls 36, rotate its overcoat, the inner sleeve 34 of quick change component 18 and the construction opening 36 of overcoat is misplaced, i.e., short centering cone 26 or
Long centering cone 27, is positioned in the endoporus for the quick change component 18 installed bottom, moves down the handle of three position five-way valve 11, cylinder
4 top air inlet, the piston connection piston rod of cylinder 4 drive connecting plate 13 and guide pillar 5, quick change component 18 and centering cone to push,
The nylon cone and tyre rim of short centering cone 26 or long centering cone 27 are concentric, and cone pushes wheel rim, and claw can lock
Wheel rim tear open tire operation, after wheel rim locking on remove the handle of three position five-way valve 11, the bottom air inlet of cylinder 4, piston driving is lived
Cushion pad 12, connecting plate 13 and guide pillar on stopper rod and piston rod move up to fixed point, due to equipped with polyurethane cushion 12, making
Rigid contact is not done in the bottom of connecting plate 13 and large arm 2, injury-free, and does not have noise.Can be by soon when taking centering cone
Change the overcoat opening and the register of inner sleeve 34 of component 18, you can take.The handle of cam 6 is pushed, because upper and lower steady pin 7 is equal
Equipped with mandrel 10, and mandrel 10 loads the curved hole of cam, makes steady pin 7 up and down while to middle shrinkage, and departs from large arm
The upper lower Positioning holes 31 of seat 1, can outwards rotate large arm, you can carry out detaching tyre operation.
Crowbar is inserted in tire along between wheel rim and tire, and the sliding sleeve 19 of the second forearm 15 and pressure fetal head are placed in into work head
On the tire of relative direction, under remove the handle of three-dimensional five-way valve 11, the upper tire lip of tire is pressed to wheel by sliding sleeve 19 and pressure fetal head
Rim grooved position, the upper tire lip and rim clearance for making tire increase, and crowbar pushes crowbar as fulcrum using a top that works and will can taken turns
Tire lip turns to edge on wheel rim on tire, above removes the handle of three position five-way valve 11, and the second forearm 15 drives sliding sleeve 19 and pressure fetal head to rise again
Behind position, tire rotation can complete tire lip disassembling section.Placenta 28 can will be held in the palm when pulling down tire lip by the suitable of installation centering cone
Sequence loads quick change component 18, holds up work head opposite tire with support placenta 28, lower tire lip is placed in into wheel rim grooved position crowbar
Tire lip under tire is triggered, using the head top that works as fulcrum, tire lip under tire is turned into edge on wheel rim, tire rotation can be completed to take turns
The disassembling section of tire lip under tire.
When filling tire operation, tire is first placed in rim upper portion, work head is placed in edge on wheel rim, and tire is put in work end to end
Above portion, below head, wheel rim rotation can complete lower tire lip dress tire.During upper tire lip dress tire, by upper tire lip position in work head
Above afterbody, below head, large arm 2 is pushed into the inner side of big arm seat 1, makes the center of guide pillar 5 and the big disk center of changer concentric,
Alignment pin 7 loads the upper lower Positioning holes 31 of big arm seat up and down simultaneously, positions large arm.First forearm 14 pushes away to work head direction
Dynamic, self-lock pin 24 positions the first forearm 14, the pressure roller end face of the first forearm 14 is positioned automatically into the counterbore 38 of connecting plate 13
In wheel rim outer 10mm or so, and fastened and positioned with the jackscrew on sliding sleeve 19, the pressure fetal head on the second forearm 15 is placed in pressure roller
At 150mm, press the lower camber side of fetal head corresponding with cambered surface on tire, it is fixed to be locked with holding out against for pressure roller and the square tube of the second forearm 15
Position.Under remove the handle of three position five-way valve, the piston of cylinder 4 moves downward, drive piston rod, cushion pad 12, connecting plate 13, guide pillar 5,
Tire is pressed downward together with the first forearm 14, the second forearm 15 and pressure roller, pressure fetal head, makes on tire tire lip to wheel rim grooved position.
Tire rotates, and the first forearm 14 is motionless, and still in the original location, and the pressure fetal head that the second forearm 15 is installed is with wheel for the pressure roller that it is installed
Tire rotates the installation operation for the afterbody of work head, that is, completing tire.The handle of three position five-way valve 11 is moved upwards, cylinder 4
The related each parts of piston driving move upwards, push the handle of cam 6, alignment pin 7 is departed from the upper lower Positioning holes of big arm seat
31, large arm is pulled out, after the claw unblock for the tire that is loaded, removes the tire for completing installation.Using fixed pressure point and Random-Rotation pressure
Point, i.e., the pressure head that the pressure roller and the second forearm 15 that the first forearm 14 is installed are installed can rotate with tire, can significantly reduce
Tire fills the torsion of tire, is easily accomplished tire dress tire operation.Tyre dismounting power assisting device described in the present embodiment does not help commonly
Column, gliding mass etc. considerably reduce production cost used by power apparatus, and operating function and operating efficiency significantly carry
It is high.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made, it all should fall into the protection domain of claims of the present invention determination.
Claims (8)
1. a kind of tyre dismounting power assisting device, including big arm seat, large arm, guide pillar, the first forearm and the second forearm, the large arm are led to
Bearing pin is crossed on big arm seat, the guide pillar is through large arm and can slide axially, and is additionally provided with the large arm and is led for control
The cylinder that post slides, first forearm and the second forearm are arranged on the bottom of guide pillar and can rotated around guide pillar, and described first is small
Sliding sleeve is equipped with arm and the second forearm, the sliding sleeve is provided with pressure roller or pressure fetal head, and the lower end of the guide pillar is torn open provided with tire
Piece installing, it is characterised in that：The large arm is provided with fixed cover, is provided with the fixed cover positioned at middle stage clip and positioned at stage clip
The alignment pin at both ends, the side wall of the fixed cover is provided with positioned at middle circular hole and the waist-shaped hole positioned at circular hole both ends, described
Alignment pin is provided with mandrel, and the mandrel of two alignment pins passes through the waist-shaped hole of correspondence position, cam is housed on the circular hole of fixed cover,
The cam is provided with two curved holes, and two mandrels are each passed through a curved hole, and the cam is provided with rotating handles, institute
The upper and lower plates for stating big arm seat are provided with positioning hole corresponding with the upper and lower ends of fixed cover.
2. tyre dismounting power assisting device according to claim 1, it is characterised in that：The piston rod and guide pillar of the cylinder it
Between fixed by connecting plate, the side of the connecting plate is provided with multiple counterbores, and first forearm is provided with self-locking key seat, the self-locking
Key seat is provided with self-locking hole, and the self-lock pin of self-locking hole is provided through on self-locking key seat, and the outside of the self-locking key seat is provided with catch,
Be provided with self-locking stage clip between the catch and self-lock pin, one end that the self-lock pin stretches out catch is provided with position fixing handle, it is described oneself
The other end of lock pin coordinates with counterbore.
3. tyre dismounting power assisting device according to claim 1, it is characterised in that：The large arm is provided with 3 position-5 way
Valve, for connecting the air inlet-outlet pipe up and down of gas source pipe and cylinder.
4. tyre dismounting power assisting device according to claim 1, it is characterised in that：The upper cover of piston rod of the cylinder has slow
Punching pad, the cushion pad are arranged between large arm and connecting plate.
5. tyre dismounting power assisting device according to claim 1, it is characterised in that：The lower end of the guide pillar is provided with quick change group
Part, the quick change component include the correspondence of inner sleeve and the overcoat that can be rotated relative to each other, the inner sleeve and overcoat lower edge
Position is provided with construction opening, and the inwall circumference of the overcoat is provided with the chute being connected with construction opening, the tyre dismounting
The upper end of part is equipped with the installation bearing pin with construction opening and chute cooperation.
6. tyre dismounting power assisting device as claimed in any of claims 1 to 5, it is characterised in that：The guide pillar is
It is prismatic.
7. tyre dismounting power assisting device according to claim 6, it is characterised in that：The lower plate of the big arm seat is provided with three
Waist-shaped hole above, and the big arm seat by waist-shaped hole and is bolted on the column of tire changer.
8. tyre dismounting power assisting device according to claim 1, it is characterised in that：The tyre dismounting part for pressure fetal head,
Placenta or centering cone are held in the palm, the material of the tyre dismounting part is nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721028951.5U CN207128519U (en) | 2017-08-16 | 2017-08-16 | Tyre dismounting power assisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721028951.5U CN207128519U (en) | 2017-08-16 | 2017-08-16 | Tyre dismounting power assisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207128519U true CN207128519U (en) | 2018-03-23 |
Family
ID=61634980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721028951.5U Active CN207128519U (en) | 2017-08-16 | 2017-08-16 | Tyre dismounting power assisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207128519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169236A (en) * | 2020-03-17 | 2020-05-19 | 池学建 | Toe opening protection structure of tire dismounting machine and working method thereof |
-
2017
- 2017-08-16 CN CN201721028951.5U patent/CN207128519U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169236A (en) * | 2020-03-17 | 2020-05-19 | 池学建 | Toe opening protection structure of tire dismounting machine and working method thereof |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221124 Address after: No. 91-23, Chenghu West Road, West District, Yingkou City, China (Liaoning) Pilot Free Trade Zone, Yingkou City, Liaoning Province, 115000 Patentee after: Liaoning Ruiwo Auto Insurance Technology Co.,Ltd. Address before: 115000 Lunan High-tech Development Zone, Yingkou City, Liaoning Province Patentee before: DALI CAR CARE (YINGKOU) EQUIPMENT MANUFACTURING Co.,Ltd. |