CN219339104U - Automobile tire dismounting mechanism - Google Patents

Abstract

The utility model discloses an automobile tire dismounting mechanism, which belongs to the technical field of repairing tools and comprises a cross wrench, a nut and a cross rod, wherein the front end of the cross wrench is provided with a lug for installing the nut, the inside of two ends of the cross rod is provided with an extension rod for increasing the use length, the middle position of the cross wrench is provided with an adapter, and the outer sides of the two ends of the cross rod are provided with limiting triangular blocks capable of automatically protruding outwards. According to the utility model, the nut and the cross wrench are arranged into a split structure, the positioning block is clamped and connected to the inside of the positioning groove, and then the rotating sleeve is rotated to enable the positioning block to move upwards, so that the positioning pin can be outwards ejected through the guide slope, one end of the positioning pin is clamped and connected to the inside of the positioning hole to form a limit, the wrench can be directly used at the moment, and the nut can be conveniently replaced according to different vehicle types to carry out disassembly operation by utilizing the structure, so that the overall disassembly working efficiency is improved.

Description

Automobile tire dismounting mechanism

Technical Field

The utility model belongs to the technical field of repair tools, and particularly relates to an automobile tire dismounting mechanism.

Background

The automobile is an indispensable transportation tool in people's life, but various problems can also occur in the automobile when in use, particularly, the tire needs to be timely maintained when in occurrence, the tire needs to be detached from the automobile body, and the tire detacher is a very common tool for repairing wheels, wherein the cross tire wrench is widely used in the fields of automobile tire maintenance and automobile disassembly.

At present, the screw cap structure at the end part of the cross wrench used in the market is fixed, and the bolt structures are different due to different automobile brands, so that the cross wrench of the current fixing mechanism has a smaller application range, and particularly in places such as automobile maintenance factories, more models are required to be prepared, and the use effect is influenced; secondly, the cross structure of cross spanner is fixed, can occupy more storage space after using, and when inconvenient portable uses, because automobile bolt is comparatively fastening, is difficult to once only rotate it when rotating the horizontal pole, rotates comparatively laboriously.

Disclosure of Invention

The utility model aims to provide an automobile tire dismounting mechanism, which solves the problems that the nut structure is fixed, and the carrying and the rotation of a cross rod are inconvenient and laborious.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an automobile tire dismounting mechanism which comprises a cross wrench, a nut and a cross rod, wherein a lug for installing the nut is arranged at the front end of the cross wrench, extension rods for increasing the service length are arranged inside the two ends of the cross rod, a grab handle is arranged at one end of each extension rod, a switching part is arranged at the middle position of the cross wrench, limit triangular blocks capable of automatically protruding outwards are arranged on the outer sides of the two ends of the cross wrench, a screwing sleeve for controlling the nut to be installed in a stable state is arranged at the front end of the cross wrench, and a screwing part for screwing the screwing sleeve to be connected is arranged at the front end of the cross wrench.

Further, the holding groove for accommodating the extension rod is formed in the two ends of the cross rod, and the locating pin for fixing the screw cap is arranged in the rear end of the protruding block.

Further, one end of the extension rod is provided with an outwards protruding limiting sphere, and a limiting clamping groove for clamping and connecting the limiting sphere is formed in the inner side of the accommodating groove.

Further, a positioning block is arranged in the lower end of the nut, and a positioning groove for clamping and connecting the positioning block is formed in the upper end of the protruding block.

Further, a guide slope for ejecting the locating pin outwards is arranged at the upper end of the screwing sleeve, and a reset spring which is used for being connected with the convex block and driving the locating pin to reset outwards automatically is sleeved outside one end of the locating pin.

Further, a positioning hole for clamping and connecting the positioning pin is formed in the inner side of the lower end of the nut.

The utility model has the following beneficial effects:

according to the utility model, the nut and the cross wrench are arranged into a split structure, after the positioning block is clamped and connected to the inside of the positioning groove, the rotating sleeve is rotated to enable the positioning block to move upwards, so that the positioning pin can be outwards ejected through the guide slope, one end of the positioning pin is clamped and connected to the inside of the positioning hole to form a limit, the wrench can be directly used at the moment, and the nut can be conveniently replaced according to different vehicle types to carry out disassembly operation by utilizing the structure, so that the overall disassembly working efficiency is improved;

through set up spacing triangular block in the both ends outside of horizontal pole, usable switching portion extrudees spacing triangular block and then directly pulls out the horizontal pole and put in one side of cross spanner, reduces occupation space portable and uses, simultaneously, can pull out the grab handle, makes its rotatory not hard up bolt with the one end that the extension rod beaten the horizontal pole, extravagant more strength improves the practicality when avoiding initially rotating the horizontal pole.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall appearance structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the cross bar of the present utility model;

FIG. 3 is a schematic view of the structure of the connection part of the nut and the cross wrench according to the present utility model;

FIG. 4 is a schematic view of a partial enlarged structure of the portion A of the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

in the figure: 1. a cross wrench; 2. a screw cap; 3. a bump; 4. a cross bar; 5. an extension rod; 6. a grab handle; 7. a switching part; 8. limiting triangular blocks; 9. screwing the sleeve; 10. a screwing part; 11. a receiving groove; 12. limiting spheres; 13. a limit clamping groove; 14. a positioning block; 15. a positioning groove; 16. a positioning pin; 17. a guiding slope; 18. a return spring; 19. and positioning holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-4, the utility model discloses an automobile tire dismounting mechanism, which comprises a cross wrench 1, a nut 2 and a cross rod 4, wherein a bump 3 for installing the nut 2 is arranged at the front end of the cross wrench 1, an extension rod 5 for increasing the service length is arranged inside two ends of the cross rod 4, a grab handle 6 is arranged at one end of the extension rod 5, a switching part 7 is arranged in the middle position of the cross wrench 1, limit triangular blocks 8 capable of automatically protruding outwards are arranged outside two ends of the cross wrench 4, a screwing sleeve 9 for controlling the nut 2 to be installed in a stable state is arranged at the front end of the cross wrench 1, a screwing part 10 for screwing the screwing sleeve 9 is arranged at the front end of the cross wrench 1, and in the embodiment, the limit triangular blocks 8 adopt an elastic rubber mechanism, and the protruding parts of the elastic rubber mechanism shrink inwards under the action of external force.

Wherein, the two ends of the cross bar 4 are internally provided with a containing groove 11 for containing the extension rod 5, the rear end of the protruding block 3 is internally provided with a positioning pin 16 for fixing the nut 2, and the rear end of the positioning pin 16 in the embodiment is of a convex structure in a circular arc shape.

Wherein, the one end of extension rod 5 is provided with outwards convex spacing spheroid 12, and spacing draw-in groove 13 that is used for spacing spheroid 12 block to connect is seted up to the inboard of holding tank 11, and spacing spheroid 12 can carry out elastic deformation along with external force pressure in this embodiment.

The lower end of the nut 2 is internally provided with a positioning block 14, and the upper end of the protruding block 3 is provided with a positioning groove 15 for clamping and connecting the positioning block 14.

The upper end of the screwing sleeve 9 is provided with a guiding slope 17 for ejecting the positioning pin 16 outwards, the outer side of one end of the positioning pin 16 is sleeved with a reset spring 18 which is used for being connected with the bump 3 and driving the positioning pin 16 to reset outwards automatically, and in the embodiment, the guiding slope 17 props against the positioning pin 16 when moving, so that the positioning pin 16 can be ejected outwards.

Wherein, the lower end inner side of the nut 2 is provided with a positioning hole 19 for the clamping connection of the positioning pin 16.

One specific application of this embodiment is: according to the utility model, the nut 2 and the cross wrench 1 are arranged into a split structure, after the positioning block 14 arranged in the lower end of the nut 2 is clamped and connected in the positioning groove 15 at the top of the lug 3 at the front end of the cross wrench 1, the screwing sleeve 9 arranged on the outer side of the screwing part 10 is rotated to move upwards, the positioning pin 16 arranged in the lug 3 can be outwards ejected through the guide slope 17 positioned at the front end of the screwing sleeve 9, one end of the positioning pin 16 is clamped and connected in the positioning hole 19 at the inner side of the lower end of the nut 2 to form a limit, the wrench can be directly used at the moment, and the nut 2 can be conveniently replaced according to different vehicle types by utilizing the structure to carry out disassembly operation, so that the overall disassembly working efficiency is improved; through set up spacing triangular block 8 in the both ends outside of horizontal pole 4, the outer wall at usable switching portion 7 both ends extrudees spacing triangular block 8, and then directly pull out horizontal pole 4 and shelve in one side of cross spanner 1, reduce occupation space portable and use, simultaneously, can pull out grab handle 6 that sets up in horizontal pole 4 both ends are inside, utilize the extension rod 5 of its one end to strike the one end of horizontal pole 4 and make its rotatory not hard up bolt, waste more efforts when avoiding initially rotating horizontal pole 4 improves the practicality, and still usable extension rod 5 increases the length of use of horizontal pole 4, utilize lever principle to alleviate the tired degree of dismantling the tire bolt.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. The utility model provides an automobile tire detaching mechanism, includes cross spanner (1), nut (2) and horizontal pole (4), its characterized in that: the front end of cross spanner (1) is provided with lug (3) that are used for installing nut (2), the inside extension rod (5) that are used for increasing the length of use that are provided with in both ends of horizontal pole (4), the one end of extension rod (5) is provided with grab handle (6), the intermediate position of cross spanner (1) is provided with switching portion (7), the both ends outside of horizontal pole (4) all is provided with can outwards convex spacing triangular block (8) voluntarily, the front end of cross spanner (1) is provided with and is used for controlling nut (2) installation steady state's cover (9) that closes soon, the front end of cross spanner (1) is provided with and is used for closing cover (9) to close soon and closes portion (10) of connecting soon.

2. The automobile tire removal mechanism of claim 1, wherein: the two ends of the cross rod (4) are internally provided with accommodating grooves (11) for accommodating the extension rods (5), and the rear ends of the protruding blocks (3) are internally provided with positioning pins (16) for fixing the nuts (2).

3. The automobile tire dismounting mechanism of claim 2, wherein: one end of the extension rod (5) is provided with an outwards protruding limit sphere (12), and a limit clamping groove (13) for clamping and connecting the limit sphere (12) is formed in the inner side of the accommodating groove (11).

4. The automobile tire removal mechanism of claim 1, wherein: the nut is characterized in that a positioning block (14) is arranged in the lower end of the nut (2), and a positioning groove (15) for clamping and connecting the positioning block (14) is formed in the upper end of the protruding block (3).

5. The automobile tire removal mechanism of claim 1, wherein: the upper end of the screwing sleeve (9) is provided with a guide slope (17) for outwards ejecting the locating pin (16), and a reset spring (18) which is used for being connected with the convex block (3) and driving the locating pin (16) to automatically reset inwards is sleeved outside one end of the locating pin (16).

6. The automobile tire removal mechanism of claim 1, wherein: and a positioning hole (19) for clamping and connecting the positioning pin (16) is formed in the inner side of the lower end of the nut (2).

Images