CN215850589U - Novel special tool for dismounting tire - Google Patents

Abstract

The utility model relates to the technical field of motor vehicle accessories, in particular to a novel special tool for dismounting a tire, which comprises a base and a tire clamping mechanism, wherein the tire clamping mechanism comprises a rack, a sliding sleeve is movably connected onto the rack, a braking structure is arranged on the outer side of the sliding sleeve, a group of first pulleys and second pulleys which are arranged oppositely are arranged between the inner side of the sliding sleeve and the rack, the base comprises a base and a bottom plate, the base is of a frame structure with an L-shaped longitudinal profile, the bottom side edge of the bottom plate abuts against the edge of an inner side corner of the base, two sides of the bottom plate are connected with the base through connecting rods, two ends of each connecting rod are respectively connected with the bottom plate and the base in a pivoting manner, so that a connection structure capable of overturning is formed between the bottom plate and the base, and the bottom plate can be stacked in the base after being overturned downwards, so that the base forms a plate body structure. The utility model is beneficial to solving the problem that the existing structure is not convenient to store and carry.

Description

Novel special tool for dismounting tire

Technical Field

The utility model relates to the technical field of motor vehicle accessories, in particular to a novel special tool for dismounting a tire.

Background

The tire is one of the relatively fragile and important accessories of the motor vehicle, in the use process, the tire is broken or worn frequently to cause the motor vehicle to be incapable of being used normally, when the tire has problems, the tire is required to be dismounted from the hub and then repaired or replaced, however, in the prior art, the tire is generally placed on the ground and is pried gradually along the connecting seam between the tire and the hub by using a prying bar, the process needs to step on the hub or the tire for fixing, time and labor are wasted, and the subsequent tire is more difficult to mount.

In addition, as disclosed in chinese utility model patent with publication number CN213108887U, it discloses a vacuum tire assembly and disassembly tool, the fixed plate is vertically fixed on the rack, the first roller is rotatably connected on the fixed plate, the sliding sleeve is sleeved on the rack, a movable plate is fixed on the sliding sleeve, the movable plate is rotatably connected with the second roller, the sliding sleeve is hinged with a clamping plate, a gear is sleeved on the hinged shaft of the clamping plate and the sliding sleeve, a driving pawl is elastically connected on the clamping plate, a non-return pawl is elastically connected on the sliding sleeve, and a pull rod is fixed at the end of the clamping plate; when the pull rod is shaken forwards, the driving pawl pushes the gear to be meshed with the rack for transmission; when the pull rod is shaken reversely, the non-return pawl is clamped on the rack to limit the rack to move reversely. The tool also includes a base. Although this tool helps to improve the problem of time and labor consuming tire removal, it still has many disadvantages, such as the base structure is fixed and not easy to carry.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel special tool for disassembling a tire, which is beneficial to solving the problem that the existing structure is not convenient to store and carry.

In order to achieve the purpose, the utility model adopts the following technical scheme:

novel dismouting tire specialized tool, including base and tire fixture, tire fixture includes the rack, and swing joint has the sliding sleeve on the rack, and the sliding sleeve outside is equipped with braking structure, is equipped with first pulley and the second pulley of a set of relative setting between sliding sleeve inboard and the rack, the base includes base and bottom plate, the base is the frame structure of indulging the profile for L shape, bottom plate bottom side border supports and leans on in base an inboard turning edge department, the bottom plate both sides are passed through the connecting rod and are connected with the base, but the connecting rod both ends respectively with bottom plate and base pivotal connection for constitute the connection structure that can overturn between bottom plate and the base, the bottom plate upset back down can fold and establish in the base for the base constitutes the plate body structure.

Preferably, the top end of the bottom plate is provided with a mounting groove for mounting a screw rod, and the screw rod is locked in the mounting groove and is perpendicular to the bottom plate and used for restraining the central shaft of the hub.

Preferably, the plurality of mounting grooves are arranged at intervals.

Preferably, the bottom plate is provided with a hollow part.

Preferably, the bottom plate is provided with a jack seat, a jack perpendicular to the bottom plate is arranged in the jack seat, and the jack is used for the rack to penetrate through.

Preferably, a fixing plate is arranged on the rack, the first pulley is rotatably arranged on the fixing plate, and after the rack is inserted into the jack, the fixing plate is attached to the bottom plate.

Preferably, a bolt hole is formed in the socket, a limiting hole matched with the bolt hole is formed in the rack, after the rack is inserted into the socket, the limiting hole is aligned with the bolt hole, and the bolt is inserted to form a limiting structure of the rack.

Compared with the prior art, the utility model at least comprises the following advantages:

according to the utility model, the base and the base can be turned and stacked to form the containing structure through the pin joint connecting rod between the base and the bottom plate, so that the size of the base is reduced, and the containing and carrying are convenient; according to the utility model, the bolt holes are formed in the socket seat, the corresponding limiting holes are formed in the rack, and the limit structure can be formed on the rack by inserting the bolts, so that the rack cannot jump in the use process, and the tire is ensured to be more stable in the dismounting process.

Drawings

FIG. 1 is a schematic structural diagram of a novel special tool for dismounting a tire in one embodiment;

FIG. 2 is a schematic structural diagram of a base;

FIG. 3 is a schematic view of the tire clamping mechanism;

fig. 4 is a schematic view of a pin hole structure.

The figure is marked with: 1. a base; 2. a base plate; 21. mounting grooves; 22. a jack seat; 221. a jack; 222. a pin hole; 23. hollowing out; 3. a connecting rod; 4. a rack; 41. straight teeth; 42. a fixing plate; 5. a sliding sleeve; 51. a movable plate; 6. a pull rod; 61. a handle; 7. a first pulley; 8. a second pulley; 9. a screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description is made with reference to the accompanying drawings and detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the two elements or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the present embodiment discloses a novel tool dedicated for dismounting a tire, which includes a base and a tire clamping mechanism, wherein the base is used for installing the tire clamping mechanism and carrying and supporting the tire and the wheel hub. The tire clamping mechanism is used for clamping the tire, and separating or combining the tire and the hub in cooperation with the rotation of the tire.

Referring to fig. 3, the tire hijacking mechanism in this embodiment includes a rack 4, a straight tooth 41 is disposed outside the rack 4, a sliding sleeve 5 is movably connected to the rack 4, the sliding sleeve 5 can be slidably sleeved on the rack 4 along the rack 4, a gear (not shown in the figure) engaged with the straight tooth 41 is disposed on the sliding sleeve 5, and a pawl structure (not shown in the figure) for controlling the gear constraint condition is disposed on the sliding sleeve 5. 5 outside pin joints of sliding sleeve 5 have pull rod 6, 6 outside ends of pull rod are equipped with handle 61, handle 61 adopts the silica gel material to make, handle 61 is with 6 outside ends of pull rod parcel, promote the travelling comfort of gripping of pull rod 6, the state of 6 mainly used control pawls of pull rod, the position structural state that the swing of 6 equidirectionals of pull rod can change the pawl, thereby realize pulling pull rod 6, through the relation between pawl and the gear, thereby reach the effect whether control sliding sleeve 5 is in the position restraint state.

Further, a fixing plate 42 is welded on the rack 4, the fixing plate 42 is perpendicular to the rack 4, and a rotatable first pulley 7 is arranged on the fixing plate 42. A movable plate 51 is welded on the inner side of the sliding sleeve 5, the movable plate 51 is perpendicular to the sliding sleeve 5, and the movable plate 51 is provided with a rotatable second pulley 8. Wherein, first pulley 7 and the relative interval setting of second pulley 8, both are at the dismouting in-process of tire, and the tire both sides are pushed down in the synergism centre gripping, and when the tire rotated, the clamping structure of first pulley 7 and 8 formation of second pulley can move about along the tire profile, realizes the quick centre gripping extrusion to the tire different positions, directly accomplishes the tire installation or realizes the tire with the help of the crowbar and dismantle.

Specifically, the base includes a base 1 and a bottom plate 2. The base 1 is a rectangular frame structure with an L-shaped longitudinal profile, is formed by welding angle irons, is provided with a notch above the base, and is provided with a flat surface structure at the bottom surface of the base 1, so that the base can be stably placed on the ground to play a role in bearing and supporting.

The bottom plate 2 is of a quadrilateral plate structure, the hollows 23 are arranged on the bottom plate 2, the weight of the bottom plate 2 is favorably reduced, the product is lighter, the excess materials obtained by processing the hollows 23 can be reused, for processing into other structures (such as ribbed plates), for waste utilization, and for reducing the manufacturing cost, the bottom side edge of the bottom plate 2 abuts against the edge of an inner side corner of the base 1 in a separated relationship, the two sides of the bottom plate 2 are connected with the base 1 through the connecting rods 3, the two ends of the connecting rods 3 are respectively connected with the bottom plate 2 and the base 1 in a pivoting way, so that a connecting structure capable of overturning is formed between the bottom plate 2 and the base 1, the bottom plate 2 can be stacked in the base 1 after being turned downwards, so that the base forms a plate body structure, so that the base 1 and the plate body form a more compact storage structure, which is helpful for storage, placement or carrying and transportation.

As shown in fig. 4, the top end of the bottom plate 2 is further provided with 2 mounting grooves 21 for mounting the screws 9, and the screws 9 are locked in the mounting grooves 21 perpendicular to the bottom plate 2 and used for restraining the central axis of the hub. 2 installation grooves 21 interval sets up, and to the wheel hub of different specification and dimension, screw rod 9 corresponds installs in different installation grooves 21.

The bottom plate 2 is provided with a jack seat 22, a jack perpendicular to the bottom plate 2 is arranged in the jack seat 22, the inner contour of the jack is matched with the outer contour of the rack 4, the rack 4 can be arranged in the jack in a penetrating mode, and due to the arrangement of the fixing plate 42, the inserted fixing plate 42 is attached to the bottom plate 2 in a leaning mode, and unidirectional constraint of the rack 4 in the axial direction is achieved.

Furthermore, a plug hole 222 perpendicular to the plug hole direction is formed in the outer side wall of the plug hole seat 22, a limiting hole matched with the plug hole 222 is formed in the rack 4, after the rack 4 is inserted into the plug hole, the limiting hole is aligned with the plug hole 222, and a plug is inserted to form a further limiting structure of the rack 4, so that the rack 4 is kept axially fixed in the tire dismounting process, the first pulley 7 and the second pulley 8 are in a tire clamping state, the tire can rotate more stably, and the phenomenon of jumping cannot occur.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. Novel dismouting tire specialized tool, including base and tire fixture, tire fixture includes the rack, and swing joint has the sliding sleeve on the rack, and the sliding sleeve outside is equipped with braking structure, is equipped with first pulley and the second pulley of a set of relative setting between sliding sleeve inboard and the rack, its characterized in that, the base includes base and bottom plate, the base is the frame structure of indulging the profile for L shape, bottom plate bottom side border supports and leans on in base an inboard turning edge department, the bottom plate both sides are passed through the connecting rod and are connected with the base, but the connecting rod both ends respectively with bottom plate and base pivotal connection for constitute the connection structure that can overturn between bottom plate and the base, the bottom plate upset back down can fold and establish in the base for the base constitutes plate body structure.

2. The novel special tool for disassembling and assembling the tire according to claim 1, wherein the top end of the bottom plate is provided with a mounting groove for installing a screw rod, and the screw rod is locked in the mounting groove perpendicular to the bottom plate and used for restraining a central shaft of the hub.

3. The special tool for disassembling and assembling the tire according to claim 2, wherein the plurality of mounting grooves are arranged at intervals.

4. The special tool for disassembling and assembling a tire according to claim 1, wherein the bottom plate is provided with a hollow.

5. The special tool for disassembling and assembling the tire according to claim 1 or 2, wherein the bottom plate is provided with a jack seat, the jack seat is provided with a jack perpendicular to the bottom plate, and the jack is used for the rack to penetrate through.

6. The special tool for disassembling and assembling a tire according to claim 5, wherein a fixing plate is disposed on the rack, the first pulley is rotatably disposed on the fixing plate, and the fixing plate abuts against the bottom plate after the rack is inserted into the insertion hole.

7. The special tool for disassembling and assembling the tire as claimed in claim 6, wherein the socket has a pin hole, the rack has a position-limiting hole matching with the pin hole, and after the rack is inserted into the socket, the position-limiting hole is aligned with the pin hole, and the pin is inserted to form a position-limiting structure of the rack.

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