CN214727975U - Auxiliary device for pressing tire - Google Patents
Auxiliary device for pressing tire Download PDFInfo
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- CN214727975U CN214727975U CN202120840528.5U CN202120840528U CN214727975U CN 214727975 U CN214727975 U CN 214727975U CN 202120840528 U CN202120840528 U CN 202120840528U CN 214727975 U CN214727975 U CN 214727975U
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- rotating arm
- connecting seat
- positioning pin
- tire
- pin
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Abstract
The utility model discloses a tire pressing auxiliary device, which comprises a connecting seat used for being fixedly connected with a disassembling tool; the rotating arm is arranged on the connecting seat and can rotate relative to the connecting seat, and the rotating arm rotates to realize the switching between the working position and the non-working position; the positioning pin assembly is arranged on the rotating arm or the connecting seat and can limit the rotating arm on the connecting seat when the rotating arm is positioned at the working position; and the pinch roller is arranged on the rotating arm. The device has the advantages of simple structure, convenient operation and the like.
Description
Technical Field
The utility model belongs to the technical field of tire dismouting appurtenance technique and specifically relates to a press child auxiliary device.
Background
It is known that for mounting a tyre on a hub, it is generally necessary to use a tyre changing machine in which the hub is first fixed, the tyre changing machine has a changing tool which is positioned at the edge of the hub, the tyre is positioned in a specific position on the changing tool in a known manner, the work disc is rotated to mount the tyre on the hub, the bead of the tyre must be pressed into the groove bottom of the hub during the tyre mounting process, and if not, the bead of the tyre is stretched during the rotation of the work disc, possibly resulting in damage to the tyre.
In many cases, in order to press the bead of the tyre into the groove bottom of the hub, it is often necessary to apply a pressure in the vicinity of the mounting tool, pressing the bead of the tyre into the groove bottom, the operator usually pressing down with his arm or using some special machinery, generally pneumatic rollers, as an auxiliary element on the tyre mounting-dismounting machine.
Pressing down with the arm, however, does not easily press the bead of the tire into the groove bottom and is very laborious and a drawback associated with the use of mechanically associated pneumatic rollers is that they are relatively complex and expensive.
SUMMERY OF THE UTILITY MODEL
The utility model provides a press child auxiliary device to above problem.
The utility model discloses a technical means as follows:
a tire-pressing auxiliary device comprises a tire-pressing auxiliary device,
the connecting seat is used for being fixedly connected with the disassembling tool;
the rotating arm is arranged on the connecting seat and can rotate relative to the connecting seat, and the rotating arm rotates to realize the switching between a working position and a non-working position;
the positioning pin assembly is arranged on the rotating arm or the connecting seat and can limit the rotating arm on the connecting seat when the rotating arm is positioned at a working position;
and the pinch roller is arranged on the rotating arm.
Further, the positioning pin assembly comprises a positioning pin and a reset spring, a pin hole is formed in the rotating arm or the connecting seat, the positioning pin and the reset spring are arranged in the pin hole, a positioning hole is formed in the connecting seat or the rotating arm, and when the rotating arm is located at the working position, the reset spring pushes the positioning pin to enable one end of the positioning pin to be inserted into the positioning hole.
Furthermore, the connecting seat or the rotating arm is also provided with a guide surface for guiding the positioning pin when the rotating arm rotates so that the positioning pin is inserted into the positioning hole.
Furthermore, the pressing device also comprises a sliding arm arranged on the rotating arm, the sliding arm can slide relative to the rotating arm, and the pressing wheel is arranged on the sliding arm.
Furthermore, the rotating arm is further provided with a limiting pin, the sliding arm is provided with a limiting sliding groove, and the limiting pin is arranged in the limiting sliding groove.
Furthermore, the connecting seat is also provided with a limiting stop pin for limiting the rotating arm at a non-working position.
Further, the positioning device also comprises a positioning pin handle which is connected with the positioning pin and used for separating the positioning pin from the positioning hole.
Compared with the prior art, the utility model discloses a press child auxiliary device has following beneficial effect: because the auxiliary tire pressing device is arranged on one side of the dismounting tool and comprises the rotating arm and the pressing wheel, when the dismounting tool is used for dismounting the tire, the rotating arm is rotated to enable the pressing wheel to press the upper tire lip of the tire, so that the upper tire lip of the tire is not slid upwards, and the tire mounting operation is smoothly completed.
Drawings
Fig. 1 is a structural view of a tire press auxiliary device disclosed in the present invention;
FIG. 2 is a block diagram of a tire changer having the auxiliary tire press device of the present invention;
fig. 3 is a schematic diagram of the positions of the pressing wheel and the wheel hub when the rotating arm of the auxiliary device for pressing the tire disclosed by the present invention is in the working position;
FIG. 4 is an axial view of FIG. 3;
FIG. 5 is a top view of the tire press auxiliary device of the present invention during tire loading;
FIG. 6 is a structural diagram of the tire press auxiliary device of the present invention when the tire is mounted in the non-operating position;
fig. 7 is a structural diagram of the tire press auxiliary device in the working position.
In the figure: 1. tire pressing auxiliary device, 2, connecting seat, 3, rotor arm, 4, slide arm, 5, locating pin, 6, reset spring, 7, locating pin handle, 8, axis of rotation, 9, pinch roller, 10, slide, 11, pinhole, 12, locating hole, 13, assembly and disassembly tools, 14, tire dismouting machine, 15, tire, 16, wheel hub, 17, base, 18, working disc, 19, stand, 20, last rim, 21, lower child lip, 22, last child lip, 23, tire pressing device, 24, tank bottom, 25, guide surface, 27, spacing spout, 28, spacing backing pin, 29, guide block.
Detailed Description
As shown in fig. 1, the tire pressing auxiliary device disclosed by the present invention comprises,
the connecting seat 2 is fixedly connected with the disassembling tool 13;
the rotating arm 3 is arranged on the connecting seat 2 and can rotate relative to the connecting seat 2, and the rotating arm 3 rotates to realize the switching between a working position and a non-working position;
the positioning pin assembly is arranged on the rotating arm 3 or the connecting seat 2 and can limit the rotating arm 3 on the connecting seat 2 when the rotating arm 3 is positioned at the working position;
and the pinch roller 9 is arranged on the rotating arm 3.
Specifically, in this embodiment, the connecting seat 2 is fixed on one side of the dismounting tool 13, the rotating arm 3 is connected with the connecting seat 2 through the rotating shaft 8, and the rotating arm 3 can rotate in a vertical plane relative to the connecting seat 2 through the rotating shaft 8 so that the rotating arm 3 can be switched between the working position and the non-working position. In this embodiment, the positioning pin assembly is disposed on the rotating arm 3, specifically, the positioning pin assembly includes a positioning pin 5 and a return spring 6, the rotating arm 3 is provided with a pin hole 11, the positioning pin 5 and the return spring 6 are disposed in the pin hole 11, the connecting seat 2 is provided with a positioning hole 12, and when the rotating arm 3 rotates around the rotating shaft 8 to the working position, the return spring 6 pushes the positioning pin 5 so that one end of the positioning pin 5 is inserted into the positioning hole 12 to lock the rotating arm and the connecting seat.
Use the utility model discloses a press child auxiliary device's working process as follows:
the tyre pressing aid 1 needs to be used in conjunction with a tyre changing machine 14 to mount a tyre 15 on a wheel hub 16.
In particular, as shown in figure 2, the tyre changing machine 14 is of known construction and it essentially comprises: a base 17, a work disc 18 mounted on the base 17 and a post 19, the post 19 carrying a mounting tool 13 which can be placed on the rim of the upper rim 20 of the wheel hub 16, the construction of the tyre changing machine not being described in detail herein.
To mount the tire 15 on the hub 16, said hub 16 is first fixed on the work disc 18, and then the lower bead 21 of the tire is mounted under the upper rim 20 of the hub 16 in a known manner, as shown in fig. 2, which process does not require the auxiliary device 1 for pressing the tire as disclosed in the present invention.
Next, for subsequent mounting of the upper bead 22 of the tire 15 on the wheel hub 16, it is necessary to use the auxiliary tire pressing tool 1 according to the present invention, as shown in fig. 4 to 5.
Firstly, the mounting and dismounting tool 13 of the tire mounting and dismounting machine 14 is adjusted to be used in a known manner, the rotating arm of the auxiliary tire press device 1 is rotated to change the rotating arm from the non-working position (as shown in fig. 6) to the working position (as shown in fig. 7), the positioning pin assembly locks the rotating arm on the connecting seat, the press wheel 9 is in the working position, the lowest point is basically the same as the height of the groove bottom of the wheel hub 13, as shown in fig. 3, the upper tire lip 22 of the tire 15 is limited in the groove bottom 24 of the wheel hub 16 by the press wheel 9, a known tire press device 23 is matched, the working disc 18 drives the wheel hub 16 to rotate, the upper tire lip 22 is always kept in the groove bottom 24 along with the rotation of the wheel hub 16 until the upper tire lip 22 is completely pressed into the groove bottom 24, then, the positioning pin is pulled to separate the positioning pin from the positioning hole and further rotate the rotating arm of the auxiliary device to change the rotating arm of the working position (as shown in fig. 7) to the non-working position (as shown in fig. 6), the operation is completed.
Furthermore, the connecting seat 2 or the rotating arm 3 is further provided with a guiding surface 25 for guiding the positioning pin 5 to insert the positioning pin 5 into the positioning hole 12 when the rotating arm 3 rotates, in this embodiment, one side of the connecting seat 2 is provided with a guiding block 29 protruding outward, the guiding block 29 is provided with an inclined surface to form the guiding surface 25, so that when the rotating arm rotates, one end of the positioning pin contacts with the guiding surface first, the guiding action to the guiding surface gradually compresses the return spring, and when the positioning pin moves to a position corresponding to the positioning hole, the restoring force of the return spring pushes one end of the positioning pin into the positioning hole to realize positioning and locking of the rotating arm and the connecting seat, and by the arrangement of the guiding surface, the positioning pin can be prevented from causing movement interference between the rotating arm and the connecting seat, and simultaneously, the operation of an operator can be facilitated, and the rapid locking of the rotating arm and the connecting seat can be realized as long as the rotating arm rotates, the working efficiency is improved, and the working strength is reduced.
Further, as shown in fig. 1, the utility model discloses a press child auxiliary device is still including setting up slide arm 4 on the rotor arm 3, slide arm 4 can be relative rotor arm 3 slides, pinch roller 9 sets up on the slide arm 4. Specifically, in the present embodiment, a slide way 10 is disposed on one side of the rotating arm 3, the sliding arm 4 is disposed in the slide way 10, and the pressing wheel 9 is fixed on the sliding arm 4. The sliding arm is arranged, the sliding arm can slide relative to the rotating arm, and therefore when the rotating arm is located at the working position, the sliding arm can be pulled out for a certain distance relative to the rotating arm, and further the distance between the pressing wheel and the dismounting tool reaches a certain value, the distance between the center of the general pressing wheel and the root of the tyre dismounting hook of the dismounting tool is about 50-60mm, a good tyre dismounting effect can be obtained at the moment, and meanwhile, auxiliary tools such as crowbars can be added between the center of the pressing wheel and the dismounting tool. Meanwhile, when the rotating arm is in a non-working position, the sliding arm can be pushed into the rotating arm, so that the pressure wheel is prevented from moving and interfering with other auxiliary tools (such as a crowbar) in the tire dismounting process.
Further, the rotating arm 3 is further provided with a limiting pin, not shown in the figure, in this embodiment, the limiting pin is a hexagon socket head cap screw, the limiting pin is fixed in the sliding groove 10 of the rotating arm, as shown in fig. 1, the sliding arm 4 is provided with a limiting sliding groove 27, one end of the limiting pin is arranged in the limiting sliding groove 27, and when the sliding arm slides, the sliding distance of the sliding arm can be limited by the limiting pin and the limiting sliding groove, so that the sliding arm is not separated from the rotating arm.
Further, the connecting base 2 is further provided with a limit stop pin 28 for limiting the rotating arm at the non-working position, in this embodiment, the lower portion of the connecting base is provided with the limit stop pin 28, and when the rotating arm rotates to the non-working position, the limit stop pin 28 can stop the rotating arm to limit the position of the rotating arm.
Furthermore, the positioning device also comprises a positioning pin handle 7 which is connected with the positioning pin and used for separating the positioning pin from the positioning hole, the positioning pin handle 7 is arranged, so that an operator can pull the positioning pin outwards to separate the positioning pin from the positioning hole, the locking state of the rotating arm and the connecting seat is released, and the operator can rotate the rotating arm to move the rotating arm from the working position to the non-working position.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A tire pressing auxiliary device is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the connecting seat is used for being fixedly connected with the disassembling tool;
the rotating arm is arranged on the connecting seat and can rotate relative to the connecting seat, and the rotating arm rotates to realize the switching between a working position and a non-working position;
the positioning pin assembly is arranged on the rotating arm or the connecting seat and can limit the rotating arm on the connecting seat when the rotating arm is positioned at a working position;
and the pinch roller is arranged on the rotating arm.
2. The tire press assist device according to claim 1, wherein: the positioning pin assembly comprises a positioning pin and a reset spring, a pin hole is formed in the rotating arm or the connecting seat, the positioning pin and the reset spring are arranged in the pin hole, a positioning hole is formed in the connecting seat or the rotating arm, and when the rotating arm is located at the working position, the reset spring pushes the positioning pin to enable one end of the positioning pin to be inserted into the positioning hole.
3. The tire press assist device according to claim 2, wherein: the connecting seat or the rotating arm is also provided with a guide surface for guiding the positioning pin when the rotating arm rotates so that the positioning pin is inserted into the positioning hole.
4. The tire puncture assisting device according to any one of claims 1 to 3, wherein: the pressing wheel mechanism is characterized by further comprising a sliding arm arranged on the rotating arm, the sliding arm can slide relative to the rotating arm, and the pressing wheel is arranged on the sliding arm.
5. The tire press assist device according to claim 4, wherein: the rotating arm is further provided with a limiting pin, the sliding arm is provided with a limiting sliding groove, and the limiting pin is arranged in the limiting sliding groove.
6. The tire press assist device according to claim 1, wherein: and the connecting seat is also provided with a limiting stop pin for limiting the rotating arm at a non-working position.
7. The tire press assist device according to claim 1, wherein: the positioning pin handle is connected with the positioning pin and used for separating the positioning pin from the positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120840528.5U CN214727975U (en) | 2021-04-22 | 2021-04-22 | Auxiliary device for pressing tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120840528.5U CN214727975U (en) | 2021-04-22 | 2021-04-22 | Auxiliary device for pressing tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214727975U true CN214727975U (en) | 2021-11-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120840528.5U Active CN214727975U (en) | 2021-04-22 | 2021-04-22 | Auxiliary device for pressing tire |
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| Country | Link |
|---|---|
| CN (1) | CN214727975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147283A (en) * | 2021-04-22 | 2021-07-23 | 营口大力汽保设备科技有限公司 | Auxiliary device for pressing tire |
-
2021
- 2021-04-22 CN CN202120840528.5U patent/CN214727975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113147283A (en) * | 2021-04-22 | 2021-07-23 | 营口大力汽保设备科技有限公司 | Auxiliary device for pressing tire |
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