阅读说明：本技术 一种新能源汽车轮胎的更换装置 (New energy automobile tire's change device ) 是由 洪群芳 于 2021-08-20 设计创作，主要内容包括：本发明提供了一种新能源汽车轮胎的更换装置,涉及新能源汽车技术领域。该更换装置包括汽车底盘顶持架和底部升降架,底部升降架包括底座和分别铰接在底座两端的第一铰接板,每个第一铰接板的侧壁腔中铰接有触发杆,两个触发杆的顶端均凸设有触发块,汽车底盘顶持架包括顶座和分别铰接在顶座两端的第二铰接板,两个第二铰接板的底端分别铰接于两个第一铰接板的顶端,顶座的底面中央焊接有纵向管。本发明能够使得轮毂顺利地从轮轴上脱离,且不易使螺纹受损。(The invention provides a new energy automobile tire replacing device, and relates to the technical field of new energy automobiles. The replacing device comprises an automobile chassis top holding frame and a bottom lifting frame, wherein the bottom lifting frame comprises a base and first hinged plates hinged to two ends of the base respectively, a trigger rod is hinged to a side wall cavity of each first hinged plate, trigger blocks are convexly arranged on the top ends of the two trigger rods respectively, the automobile chassis top holding frame comprises a top seat and second hinged plates hinged to two ends of the top seat respectively, the bottom ends of the two second hinged plates are hinged to the top ends of the two first hinged plates respectively, and a longitudinal pipe is welded in the center of the bottom surface of the top seat. The invention can lead the wheel hub to be smoothly separated from the wheel shaft and lead the thread not to be damaged easily.)

1. The utility model provides a new forms of energy automobile tire's change device, includes vehicle chassis top holder (1) and bottom crane (2), its characterized in that: the bottom lifting frame (2) comprises a base (5) and first hinged plates (6) hinged to two ends of the base (5) respectively, a trigger rod (7) is hinged to a side wall cavity of each first hinged plate (6), trigger blocks (8) are arranged at the top ends of the two trigger rods (7) in a protruding mode, the automobile chassis jacking frame (1) comprises a top seat (9) and second hinged plates (10) hinged to two ends of the top seat (9) respectively, the bottom ends of the two second hinged plates (10) are hinged to the top ends of the two first hinged plates (6) respectively, a longitudinal pipe (11) is welded in the center of the bottom surface of the top seat (9), a guide pillar (12) is inserted in the longitudinal pipe in a sliding mode, a rotating sleeve (13) is installed at the bottom end of the guide pillar (12), a horizontal pressing pillar (14) capable of moving back and forth is arranged in the rotating sleeve (13), and a cross-shaped dismantling frame (15) is welded at the front end of the horizontal pressing pillar (14), the four arms of the disassembling frame (15) are respectively fixed with a triangular block (16), the pointed part of the triangular block (16) faces the guide post (12), the two second hinged plates (10) are respectively contacted with the two trigger blocks (8) and extrude the trigger blocks (8) when rotating downwards, so that the two trigger rods (7) are forced to move in opposite directions, the two trigger rods (7) are respectively pressed against the corresponding triangular blocks (16), and the disassembling frame (15) is forced to move forwards in a direction away from the guide post (12) so as to push the hub to be separated from the wheel shaft outwards.

2. The new energy automobile tire replacing device according to claim 1, wherein the longitudinal pipe (11) is a damping type longitudinal pipe (11) filled with a damping rubber layer, a hollow groove (22) is formed in the lower end of each second hinged plate (10), a screw mechanism (4) is arranged on the automobile chassis top holding frame (1), and two opposite ends of the screw mechanism (4) are respectively arranged in the two hollow grooves (22) in a penetrating manner.

3. The new energy automobile tire replacing device according to claim 2, wherein the bottom end of each trigger rod (7) is hinged to the lower end of the corresponding first hinged plate (6), and a return bent spring (17) is connected between the lower part of the trigger rod (7) and the side wall of the first hinged plate (6).

4. The new energy automobile tire replacing device according to claim 3, wherein the dismounting frame (15) is positioned between the two trigger rods (7), and the sides of the two trigger blocks (8) which are away from each other are provided with arc-shaped surfaces (18) which are contacted with the corresponding second hinge plates (10).

5. The new energy automobile tire replacing device according to claim 4, characterized in that the triggering rod (7) is positioned on one side of the screw mechanism (4) far away from the guide post (12), and the edge of the triggering rod (7) is provided with a round corner (27) which is in pressing contact with the corresponding triangular block (16).

6. The new energy automobile tire replacing device according to claim 5, characterized in that the dismounting frame (15) is located below the front side of the screw mechanism (4), the dismounting frame (15) comprises two ejector rods (19), the two ejector rods (19) are vertically and crossly fixed together, the ends of the four arms of the dismounting frame (15) are provided with push blocks (20), and the push blocks (20) are solid rubber blocks and deviate from the corresponding triangular blocks (16).

7. The new energy automobile tire replacing device according to claim 6, characterized in that a spring (21) is further installed between the center of the dismounting frame (15) and the guide post (12), the spring (21) is sleeved on the periphery of the horizontal compression post (14), wherein the front sides of the two push blocks (20) are provided with dismounting plates (28) through insertion holes (270), and the dismounting plates (28) are parallel to the screw rod mechanism (4).

8. The new energy automobile tire replacing device according to claim 7, characterized in that two push blocks (20) provided with the dismounting plates (28) are respectively adjacent to the two trigger rods (7), the two sides of the tip of each triangular block (16) are respectively provided with a pressing inclined surface, and the front wall surfaces of the two first hinge plates (6) are respectively welded with a connecting disc (23).

9. The new energy automobile tire replacing device according to claim 8, wherein each flange (23) is further provided with an oil pipe (24) in a penetrating manner, two ends of the base (5) are respectively provided with a hinge shaft (25) for hinging the lower end of the first hinge plate (6) and the bottom end of the trigger rod (7) together, each hinge shaft (25) is provided with an oil groove (26) in a penetrating manner along the length direction of the hinge shaft, the bottom end of the oil pipe (24) is contacted above the oil groove (26), one end of each oil groove (26) is aligned with the lower end of the corresponding oil pipe (24), and the other end of each oil groove (26) extends downwards in an inclined manner.

Technical Field

The invention relates to the technical field of new energy automobiles, in particular to a new energy automobile tire replacing device.

Background

When the new energy automobile tire is replaced, the lifting frame is firstly placed between the automobile chassis and the ground, the lifting frame is lifted upwards by rotating the screw rod mechanism, so that the automobile chassis is lifted to a certain height, then bolts between the wheel hub and the wheel shaft are removed, then the tire and the wheel hub are removed together, and finally the new tire is fixed on the wheel shaft, so that the removal and replacement of the automobile tire are completed. When a tire is removed, the wheel hub where the tire is located and an automobile wheel axle have a certain interference fit relation, so that the wheel hub needs to be separated from the wheel axle by shaking left and right when the tire is removed, and in the process of shaking the wheel hub to be removed, friction is generated between a mounting hole of the wheel hub and the wheel axle, so that mounting threads at the end part of the wheel axle are abraded to different degrees, and the locking nut is inconvenient to butt when a new tire is mounted.

Disclosure of Invention

The invention aims to solve the technical problem of providing a new energy automobile tire replacing device, which can jack up an automobile chassis through a jacking seat and can also use a detaching frame to push a hub to detach a tire stably when an automobile tire is replaced, and threads on a wheel shaft cannot be damaged in the detaching process.

The invention has the technical scheme that the new energy automobile tire replacing device comprises an automobile chassis top holder and a bottom lifting frame, wherein the bottom lifting frame comprises a base and first hinged plates respectively hinged at two ends of the base, a trigger rod is hinged in a side wall cavity of each first hinged plate, trigger blocks are convexly arranged at the top ends of the two trigger rods, the automobile chassis top holder comprises a top seat and second hinged plates respectively hinged at two ends of the top seat, the bottom ends of the two second hinged plates are respectively hinged at the top ends of the two first hinged plates, a longitudinal pipe is welded at the center of the bottom surface of the top seat, a guide pillar is inserted in the longitudinal pipe in a sliding and inserting manner, a rotating sleeve is arranged at the bottom end of the guide pillar, a horizontal compression leg capable of moving back and forth is arranged in the rotating sleeve, a cross-shaped dismounting frame is welded at the front end of the horizontal compression leg, triangular blocks are fixed on four arms of the dismounting frame, the tip parts of the triangular blocks face the guide pillar, and respectively contact with the two trigger blocks and extrude the trigger blocks when the two second hinged plates rotate downwards, the two trigger rods are forced to move towards each other, and then the two trigger rods respectively press the corresponding triangular blocks, so that the disassembling frame is forced to move forwards in the direction away from the guide post, and the hub is pushed to be separated from the wheel shaft outwards.

In one embodiment, the longitudinal pipe is a damping type longitudinal pipe filled with a damping rubber layer, a hollow groove is formed in the lower end of each second hinged plate, a screw mechanism is arranged on the automobile chassis supporting frame, and two opposite ends of the screw mechanism penetrate through the two hollow grooves respectively.

In one embodiment, the bottom end of each trigger rod is hinged to the lower end of the corresponding first hinge plate, and a return bent spring is connected between the lower part of the trigger rod and the side wall of the first hinge plate.

In one embodiment, the detaching frame is positioned between the two trigger rods, and the sides of the two trigger blocks, which face away from each other, are provided with arc-shaped surfaces which are in contact with the corresponding second hinge plates.

In one embodiment, the trigger rod is located on the side of the screw mechanism away from the guide post, and the edge of the trigger rod is provided with a round corner in pressing contact with the corresponding triangular block.

In one embodiment, the detaching frame is positioned below the front side of the screw mechanism and comprises two ejector rods, the two ejector rods are perpendicularly and crossly fixed together, the end parts of the four arms of the detaching frame are provided with push blocks, and the push blocks are solid rubber blocks and deviate from corresponding triangular blocks.

In one embodiment, a spring is further installed between the center of the detaching frame and the guide pillar, the spring is sleeved on the peripheral surface of the horizontal pressing pillar, detaching plates are arranged on the front sides of the two pushing blocks through insertion holes and are parallel to the screw rod mechanism.

In one embodiment, two push blocks provided with the detaching plates are respectively adjacent to two trigger rods, two sides of the tip of each triangular block are respectively provided with an extrusion inclined surface, and the front wall surfaces of the two first hinged plates are respectively welded with a flange.

In one of them embodiment, still run through on every flange and install oil pipe, the both ends of base all are equipped with and are used for articulating the articulated shaft together with the lower extreme of first articulated slab and trigger lever bottom, and every articulated shaft link up along self length direction has seted up the oil groove, and oil pipe's bottom contact is in the top of oil groove, and the one end of oil groove aims at the lower extreme of the oil pipe that corresponds, other end slope downwardly extending.

Compared with the prior art, the invention has the advantages that the left and the right triggering rods are hinged on the bottom lifting frame, the height-adjustable dismounting frame is arranged on the replacing device, when the automobile tire is dismounted, the automobile chassis is firstly jacked up through the jacking seat, the nuts on the four bolts for fixing the wheel hub on the wheel shaft are dismounted, then the position of the dismounting frame is adjusted, the front end of the dismounting frame is jacked at the rear side (namely, the side facing the automobile chassis) of the wheel hub, when the replacing device descends, the descending action of the automobile chassis jacking frame is utilized to trigger the two triggering rods to rotate inwards and promote the dismounting frame to move forwards, so that the wheel hub arranged on the wheel shaft is pushed to be stably separated from the bolt on the wheel shaft along the mounting hole, as the thread pitch of the bolt is not too long, the wheel hub can be dismounted from the wheel shaft quickly, when the mounting hole on the wheel hub is separated from the bolt on the wheel shaft, so that no thread breakage occurs in the thread.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention with the demolition plate removed;

FIG. 2 is an enlarged view of part A of the present invention, which is drawn from FIG. 1;

FIG. 3 is a schematic diagram of the rear view from FIG. 1 of the present invention:

FIG. 4 is a bottom view from below of the FIG. 1 assembly of the present invention;

FIG. 5 is a schematic view of the cut-away internal structure of the present invention;

FIG. 6 is a schematic view of the overall structure of the present invention after the plate is removed and installed;

fig. 7 is a schematic structural view of the installation principle of the demolition plate after being disassembled from the push block.

Detailed Description

The technical solutions of the present invention will be described in detail and fully with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, the new energy automobile tire replacing device provided by the present embodiment comprises an automobile chassis top holder 1 and a bottom lifting frame 2, which form a lifting frame assembly 3, the lifting frame assembly 3 is provided with a screw mechanism 4 for enabling the lifting frame assembly 3 to complete lifting action when rotating by a hand wheel, specifically, the automobile chassis top holder 1 is provided with the screw mechanism 4, the lifting frame assembly 3 formed by the automobile chassis top holder 1 and the bottom lifting frame 2, and the principle that the screw mechanism 4 drives the lifting frame assembly 3 to perform lifting action is the prior art, and will not be described in detail, the bottom lifting frame 2 comprises a base 5 and first hinged plates 6 respectively hinged at two ends of the base 5, and a trigger rod 7 is hinged in a side wall cavity of each first hinged plate 6, the top ends of the two trigger rods 7 are both convexly provided with a trigger block 8, the automobile chassis top holder 1 comprises a top seat 9 and second hinged at two ends of the top seat 9 respectively, the bottom ends of two second hinged plates 10 are respectively hinged to the top ends of the two first hinged plates 6, the second hinged plates 10 are positioned above the trigger block 8, and the center of the bottom surface of the top seat 9 is welded with a longitudinal pipe 11 in which a guide post 12 is slidably inserted. The longitudinal pipe 11 is a damping type longitudinal pipe 11 filled with a damping rubber layer, a rotating sleeve 13 is mounted at the bottom end of a guide pillar 12 through a bearing, a horizontal compression leg 14 capable of moving back and forth is arranged in the rotating sleeve 13, a cross-shaped disassembling frame 15 is welded at the front end of the horizontal compression leg 14, triangular blocks 16 are fixed on four arms of the disassembling frame 15, the sharp portions of the triangular blocks 16 face the guide pillar 12, two second hinged plates 10 are respectively in contact with two trigger blocks 8 and extrude the trigger blocks 8 when rotating downwards, two trigger rods 7 are forced to move oppositely, and then the two trigger rods 7 are respectively abutted against the corresponding triangular blocks 16, the disassembling frame 15 is forced to move forwards in the direction far away from the guide pillar 12, and a hub is pushed to be separated from a wheel shaft outwards.

For example, when a tire is removed, when the automobile chassis supporting frame 1 on the lifting frame assembly 3 is lifted by rotating the screw rod mechanism 4, the chassis of an automobile is lifted through the top seat 9, at the moment, an automobile tire is separated from the ground, then bolts on a hub are removed from an automobile wheel shaft, finally the hub is removed from the wheel shaft, mounting holes on the hub are separated from the bolts on the wheel shaft when the hub is removed, and the hub is continuously shaken in the separation process, so that the mounting holes on the hub collide with the bolts to cause thread grinding damage to threads on the bolts. After that, when the replacing device descends, the two trigger rods 7 are triggered to rotate inwards by the descending action of the automobile chassis supporting frame 1, and the disassembling frame 15 is promoted to move forwards, so that the wheel hub is pushed to be separated from the corresponding wheel shaft, the wheel hub can be quickly disassembled from the wheel shaft, and when the mounting hole in the wheel hub is separated from the bolt on the wheel shaft, the wheel hub cannot rub against the thread on the bolt, and therefore the thread cannot be broken.

For example, the detaching frame 15 is located below the front side of the screw mechanism 4, the detaching frame 15 includes two ejector rods 19, the two ejector rods 19 are fixed together in a vertical crossing manner, the ends of the four arms of the detaching frame 15 are all provided with push blocks 20, the push blocks 20 are solid rubber blocks and deviate from the corresponding triangular blocks 16, a spring 21 is further installed between the center of the detaching frame 15 and the guide pillar 12, the spring 21 is sleeved on the peripheral surface of the horizontal compression column 14, wherein the front sides of the two push blocks 20 are provided with detaching plates 28 through insertion holes 270, the detaching plates 28 are parallel to the screw mechanism 4, when the horizontal compression column 14 is adjusted to be at the same height position with the tire, the two detaching plates 28 are installed on the push blocks 20 through the insertion holes 270, and the ends of the two detaching plates 28 extend from one side to the rear portion of the tire (the side of the tire facing the vehicle floor), at this time, the screw mechanism 4 is rotated to make the vehicle chassis supporting frame 1 descend with the vehicle chassis, the automobile chassis jacking frame 1 can also drive the longitudinal pipe 11 to descend in the descending process, meanwhile, tires can also descend along with the descending of the chassis, when the automobile chassis jacking frame 1 descends, the two second hinged plates 10 forming the structure of the automobile chassis jacking frame can rotate and compress downwards, the two first hinged plates 6 forming the bottom lifting frame 2 can rotate and compress downwards, when the second hinged plates 10 rotate and compress downwards, the two trigger rods 7 can rotate inwards in a mode of squeezing the trigger block 8, and finally the dismounting frame 15 is prompted to move.

The trigger rods 7 are positioned on one side of the screw rod mechanism 4 far away from the guide post 12, the edges of the trigger rods 7 are provided with round corners 27 in pressing contact with the triangular blocks 16, when the two trigger rods 7 rotate inwards (namely move towards each other), the round corners 27 on the inner edges of the two trigger rods 7 press the triangular blocks 16 through the round corners 27 on the inner edges of the two trigger rods, so that when the two trigger rods move along the side inclined planes (pressing inclined planes) of the triangular blocks 16, the triangular blocks 16 are forced to move forwards with the dismounting frame 15, and therefore, when the dismounting plate 28 mounted on the push block 20 through the insertion holes 270 is pushed forwards, the hub with the dismounted bolts is dismounted from an automobile wheel shaft, because the dismounting plate 28 is mounted on the push block 20 in the dismounting process, the push block 20 is of a structure on the dismounting frame 15, and because the dismounting frame 15 is stably guided through the horizontal compression columns 14 when moving forwards, the dismounting plate 28 moves more stably, and the hub can be pushed and dismounted from the wheel shaft smoothly, therefore, when the mounting hole in the hub is separated from the bolt welded on the wheel shaft, the mounting hole cannot rub with the thread on the bolt, and the thread on the bolt cannot be abraded.

Specifically, a hollow groove 22 is formed at the lower end of each second hinge plate 10, and two opposite ends of the screw mechanism 4 respectively penetrate through the two hollow grooves 22. For example, the screw mechanism 4 includes a screw, two mounting blocks and a hand wheel, the two mounting blocks are respectively slidably mounted in the hollow-out grooves 22 of the two second hinge plates and are screwed on the screw, the hand wheel is fixed at one end of the screw, the screw can drive the two second hinge plates 10 to rotate in opposite directions by rotation of the screw, the structure is reasonable, and friction between the second hinge plates 10 and the screw mechanism 4 is avoided when the second hinge plates 10 rotate.

Specifically, the bottom end of the trigger lever 7 is hinged to the lower end of the corresponding first hinge plate 6, and a return bent spring 17 is connected between the lower portion of the trigger lever 7 and the side wall of the first hinge plate 6, so that the first hinge plate 6 can be returned through the return bent spring 17 after rotating. The upper end of the trigger rod 7 is a free end, and the trigger block 8 is convexly arranged on the free end. Specifically, tear frame 15 open and be located between two trigger bars 7, two one sides that trigger block 8 deviates from each other all are equipped with the arcwall face 18 with the contact of corresponding second articulated slab 10, and is rational in infrastructure, can prevent that trigger block 8 from gnawing second articulated slab 10.

Specifically, install two ejector pads 20 that demolish board 28 and be close to two trigger bars 7 respectively, the point portion both sides of every triangle piece 16 all are formed with the extrusion inclined plane, it has flange 23 still all to weld on two first articulated slab 6's the preceding wall, still run through on every flange 23 and install oil pipe 24, the both ends of base 5 all are equipped with the articulated shaft 25 that is used for articulating the lower extreme of first articulated slab 6 and trigger bar 7 bottom together, every articulated shaft 25 link up along self length direction and has seted up oil groove 26, oil pipe 24's bottom contact is in the top of oil groove 26, oil groove 26 is the chute of other end downward sloping by the one end of neighbouring oil pipe 24, the one end of oil groove 26 is aimed at the lower extreme of corresponding oil pipe 24 promptly, other end slope downwardly extending, flange 23 is used for fluid to deposit, its effect lies in: firstly, the nut dismantled from the hub can be placed in the flange 23 for derusting through oil liquid soaking, so that when a new tire is remounted on an automobile wheel shaft along with the hub, the derusted nut is convenient for secondary use, secondly, the oil liquid injected into the flange 23 can be injected onto the hinge shaft 25 along the oil pipe 24 and is immersed into each part of the hinge shaft 25 along the oil groove 26 on the hinge shaft 25, and because the hinge shaft 25 is simultaneously provided with the first hinge plate 6 and the trigger rod 7, the oil liquid can also have the derusting or lubricating effect on the hinge shaft 25 when being immersed onto the hinge shaft 25 along the oil groove 26.

The above-described embodiments further explain the object, technical means, and advantageous effects of the present invention in detail. It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. It should be understood that any modifications, equivalents, improvements and the like, which come within the spirit and principle of the invention, may occur to those skilled in the art and are intended to be included within the scope of the invention.