CN212654149U - Rotary tyre dismounting device for preventing damage of tyre toe opening - Google Patents

Abstract

The utility model discloses a prevent rotatable child device of tearing open of tire toe mouth damage, including vertical scroll, automatic dismouting head and tear the child head open, still include dismouting headstock, dismouting headstock with automatic dismouting head fixed connection, the cavity confession has been seted up on the dismouting headstock the vertical scroll is worn out and is connected in tear the child head open, set up the cavity makes the dismouting headstock winds the vertical scroll rotates. The utility model provides an original rotatable child device of tearing open can lead to the problem that tire toe mouth damaged easily because of the extrusion when the tire below dismouting 15 cun, rotate around the vertical scroll through design dismouting headstock, realize that automatic dismouting head can rotate backward in order to eliminate the mutual resistance and the power of dragging of tearing open the child hook and tire toe mouth of automatic dismouting head, the hook hand promotes automatic return through the spring after the work is finished every time, prepare to take turns work and make preparation down, the cost of manufacture is low, time saving and labor saving, high safety in utilization, and convenience.

Description

Rotary tyre dismounting device for preventing damage of tyre toe opening

Technical Field

The utility model relates to an automobile assembling field of making, concretely relates to prevent rotatable child device of tearing open of tire toe mouth damage.

Background

With the rapid development of automobile manufacturing industries of all countries in the world and the continuous increase of automobile holding capacity, the demand of tire dismounting equipment required by automobile tire maintenance and replacement is increased, and the requirements on the automation degree and the working efficiency of a tire dismounting machine are higher.

In the current tire dismounting machine product, the tire dismounting machine is generally composed of a vertical rod, a dismounting head and a tire dismounting head, the automatic dismounting head and the tire dismounting head are fixed, when a tire below 15 inches is dismounted, the tire dismounting machine can extrude with a tire dismounting hook of the automatic dismounting head due to small caliber of a wheel rim, so that an airtight protective layer of a toe opening of the tire is damaged, and the use safety of the tire is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent rotatable child device of tearing open of tire toe mouth damage to solve original rotatable child device of tearing open and can lead to the problem that tire toe mouth damaged easily because of the extrusion when the dismouting is 15 cun following tires.

In order to achieve the above object, the present invention provides the following technical solutions:

a rotatable tire dismounting device comprises a vertical shaft, an automatic dismounting head and a tire dismounting head, wherein the automatic dismounting head comprises a tire dismounting hook hand, the rotatable tire dismounting device further comprises a dismounting head seat, the dismounting head seat is fixedly connected with the automatic dismounting head, a cavity is formed in the dismounting head seat and used for the vertical shaft to penetrate out and be connected with the tire dismounting head, and the dismounting head seat rotates around the vertical shaft due to the formed cavity.

Furthermore, the bottom of the vertical shaft comprises a cylindrical rotating shaft, the cross section of the cavity is circular, and the rotating shaft is arranged in the cavity.

Furthermore, the bottom surface of the dismounting and mounting head seat is provided with a first fixing piece facing downwards, the top surface of the dismounting and mounting head is provided with a second fixing piece protruding outwards, a spring is clamped between the first fixing piece and the second fixing piece, and the spring enables the dismounting and mounting head seat to reset after dismounting and mounting the tire once.

Further, the dismounting head seat comprises a vertical surface and a plane, the cavity is formed in the plane, the first fixing piece is arranged at the bottom of the plane, and the vertical surface is provided with a plurality of screw holes and is fixedly connected with the dismounting head through screws.

Furthermore, the bottom of the vertical shaft further comprises a bottom shaft, the bottom shaft is located below the rotating shaft and integrally formed with the rotating shaft, at least one tangent plane is arranged in the longitudinal section direction of the bottom shaft, other planes are arc planes, and a screw penetrates from the bottom of the tire removing head to be fixedly connected with the bottom shaft.

Furthermore, the top of the tire dismantling head is provided with a square top seat, the middle of the top seat is provided with a hollow hole for the bottom shaft of the vertical shaft to penetrate through, the periphery of the top seat is provided with screw holes, and the bottom shaft and the tire dismantling head are fixed from the side surface through screws. Wherein, the bottom shaft and the rotating shaft are integrally formed.

Compared with the prior art, the utility model provides a pair of rotatable child device of tearing open, design into automatic dismouting head and dismouting headstock fixed connection, the dismouting headstock has the circular cavity that supplies the vertical scroll to wear out, make the dismouting headstock can rotate around the vertical scroll, and then drive the first action of automatic dismouting, realize that automatic dismouting head can rotate backward in order to eliminate the mutual resistance and the power of dragging of tearing open child hook and tire toe mouth of automatic dismouting head, prevent crowded small-size tire toe mouth protective layer of hindering, the hook hand promotes automatic return through the spring after the work is finished every time, prepare to take off round work and prepare, the cost of manufacture is low, do not have too much operation, time saving and labor saving, convenience safe in utilization.

Drawings

Fig. 1 is a schematic structural diagram of a rotatable tire dismounting device in an embodiment of the present invention.

Fig. 2 is an assembly diagram of a rotatable tire removing device according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a mounting and dismounting headstock according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a tire removing head in an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a vertical shaft in an embodiment of the present invention.

Fig. 6 is a cross-sectional view of the vertical shaft and the tire removing head fastened in the embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "front", "back", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, the embodiment of the utility model provides a prevent rotatable child device of tearing open of tire toe mouth damage, mainly be applied to automobile tire's maintenance and assembly, this rotatable child device of tearing open includes vertical scroll 1, automatic dismouting head 2 and tear off child head 4, vertical scroll 1 is preferably hexagonal pole vertical scroll, the cross section is the hexagon promptly, vertical scroll 1 mainly used and tear off child machine back-up arm and be connected, can slide from top to bottom, guarantee simultaneously that tear off child head 4 and tear off the top position of child machine unchangeably, automatic dismouting head 2 includes a control cylinder and tear off the child gib hand, during the use, tear off child gib hand card and go into the tire and the wheel hub juncture of waiting to dismantle, the cylinder drives tear off child gib hand and turn over the tire toe mouth to tear off on the child head 4, tear off child head 4 and drive the tire through the big dish and rotate the tire from the wheel hub separation.

In the existing rotatable tire dismounting device, the automatic dismounting head 2 and the tire dismounting head 4 are fixed together, so that during dismounting, the tire can be extruded with the tire dismounting hook of the automatic dismounting head 2, and the airtight protective layer of the toe opening of the tire is damaged. In order to reduce the power of dragging of the tire removal hook 21 and the tire toe mouth of the automatic dismouting head 2, the utility model has the advantages that the utility model discloses a dismouting headstock 3, dismouting headstock 3 with automatic dismouting head 2 fixed connection, when dismouting headstock 3 moves, can drive automatic dismouting head 2 and also move thereupon, has seted up the cavity on the dismouting headstock 3 and has supplied vertical scroll 1 to wear out downwards and fixed connection in dismouting head 4, and the cavity of seting up makes dismouting headstock 3 winds vertical scroll 1 rotates.

Specifically, referring to fig. 5 and 6, the vertical shaft 1 in the embodiment of the present invention can be seen to have a three-part structure, one part is a main body of the vertical shaft, which is a hexagonal rod, the bottom of the vertical shaft 1 includes a cylindrical rotating shaft 41, and since the cross section of the cavity of the mounting and dismounting head seat 3 is also circular, the rotating shaft 41 is just disposed in the cavity, so that the mounting and dismounting head 2 can rotate around the rotating shaft 41. The bottom of the vertical shaft 1 further comprises a bottom shaft 42, the bottom shaft 42 is located below the rotating shaft 41 and is integrally formed with the rotating shaft, at least one tangent plane is arranged in the longitudinal section direction of the bottom shaft 42, other planes are cambered surfaces which are set to be convenient for fixing screws, a screw 43 penetrates upwards from the bottom of the tire dismounting head 4 to be fixedly connected with the bottom shaft 42, a screw hole is formed in the bottom of the bottom shaft 42 to match with the screw, and the diameter of the bottom shaft 42 is smaller than that of the rotating shaft 41.

Referring to fig. 3, the mounting and dismounting head seat 3 includes a vertical surface 32 and a plane 31 perpendicular to each other, a circular cavity for the vertical shaft 1 to pass through is opened on the plane 31, a plurality of screw holes 34 are opened on the vertical surface 32, and the mounting and dismounting head seat 3 and the automatic mounting and dismounting head 2 are fixedly connected through screws. In addition, a first fastener 33 is provided on the flat bottom of the mounting/dismounting head base 3, i.e., on the back of the vertical surface that contacts the mounting head 2, and the first fastener is mainly used for matching with a second fastener 42 on the tire dismounting head 4.

Referring to fig. 4, the tyre removing head 4 has a square top seat 41 at the top, the top seat 41 has a hollow opening at the middle for the bottom shaft 12 of the vertical shaft 1 to pass through, the top seat 41 has one or more screw holes at the periphery thereof, which are communicated with the large opening at the middle, and screws 44 are inserted from the side of the top seat to fix the bottom shaft and the tyre removing head 4, in such a way that the tightness of the tyre removing head 4 and the vertical shaft 1 is enhanced.

Referring to fig. 2 and 4 in a matching manner, the bottom surface of the dismounting headstock 3 is provided with a first fastener 33 facing downwards, the top surface of the dismounting headstock 4 is provided with a second fastener 42 protruding, the second fastener 42 is close to the top seat 41, the second fastener 42 can be replaced by a screw protruding from the surface of the dismounting headstock 4, when dismounting, the screw is taken out, the spring can fall out, the spring 5 is clamped between the first fastener 33 and the second fastener 42, the spring 5 enables the dismounting headstock 3 to reset after dismounting every time, the compression state of the dismounting headstock is restored to the original state from the working time by the elasticity of the spring, and in practice, the spring is limited in the space formed by the headstock 3 and the dismounting headstock 4 and cannot fall out.

When the tire dismounting hook is used, the tire dismounting hook hand is clamped into a junction of a tire to be dismounted and a hub, the cylinder drives the tire dismounting hook hand to turn a toe opening of the tire to the upper surface of the tire dismounting head 4, and the tire dismounting head 4 drives the tire to rotate through the large disc to separate the tire from the hub. In the separation process, the pulling force generated by clockwise rotation of the tire drives the tire dismounting hook 21, the tire dismounting hook 21 drives the shaft holes of the tire dismounting head 2 and the tire dismounting head seat 3 to rotate along the vertical shaft 1, and the pulling force of the tire is removed, so that the toe opening of the tire is protected. When the tire disassembling hook rotates at the big disc and moves backwards, the spring 5 is in a compression state, after the tire is separated from the hub, the spring 5 takes the tire disassembling head 4 as a fulcrum to push the tire disassembling head seat 3 to drive the tire disassembling head 2, so that the tire disassembling hook 21 returns to an initial state to carry out next work preparation.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. A rotatable tire dismounting device capable of preventing a tire toe opening from being damaged comprises a vertical shaft, an automatic dismounting head and a tire dismounting head, and is characterized by further comprising a dismounting head seat, wherein the dismounting head seat is fixedly connected with the automatic dismounting head, a cavity is formed in the dismounting head seat, the vertical shaft penetrates out of the dismounting head seat and is connected to the tire dismounting head, and the dismounting head seat rotates around the vertical shaft due to the formed cavity.

2. The tire removal device of claim 1, wherein the bottom of the vertical shaft includes a cylindrical shaft, the cavity has a circular cross-section, and the shaft is disposed in the cavity.

3. The tire removing device according to claim 2, wherein the bottom surface of the tire removing head seat is provided with a first downward fastener, the top surface of the tire removing head is provided with a second protruded fastener, and a spring is clamped between the first fastener and the second fastener, so that the spring can reset the tire removing head seat after each tire removing operation.

4. The tire dismounting device according to claim 3, wherein the dismounting head seat comprises a vertical surface and a plane surface, the cavity is arranged on the plane surface, the first fixing member is arranged at the bottom of the plane surface, and the vertical surface is provided with a plurality of screw holes and is fixedly connected with the dismounting head through screws.

5. The tire dismounting device according to claim 3 or 4, wherein the bottom of the vertical shaft further comprises a bottom shaft, the bottom shaft is located below the rotating shaft and integrally formed with the rotating shaft, the bottom shaft has at least one tangent plane in the longitudinal section direction, the other planes are arc planes, a screw penetrates from the bottom of the tire dismounting head to be fixedly connected with the bottom shaft, and a screw hole is formed in the bottom of the bottom shaft.

6. The tire removing device according to claim 5, wherein the top of the tire removing head is provided with a square top seat, the middle of the top seat is provided with a hollow hole for the bottom shaft of the vertical shaft to pass through, the periphery of the top seat is provided with screw holes, and the bottom shaft and the tire removing head are fixed from the side through screws.

7. A tyre removing device according to claim 5, wherein the bottom shaft is integrally formed with the shaft, and the diameter of the bottom shaft is smaller than the diameter of the shaft.

8. The tire removal device of claim 1, wherein the automated tire removal head comprises a tire removal hook hand.

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