CN207274280U - A kind of Vehicle tyre mounting or dismounting auxiliary device - Google Patents

Abstract

The utility model provides a kind of Vehicle tyre mounting or dismounting auxiliary device, belongs to technical field of vehicle assist equipment.It solves the problems, such as that existing to change tire process more laborious.This Vehicle tyre mounting or dismounting auxiliary device, including base, guiding axis is connected with base vertically, substrate is slidably connected on guiding axis, rotating turret is rotatably connected on substrate, some locating rods are slidably connected on rotating turret side, locating rod includes registration arm, and rotating turret is equipped with the controls that some locating rods can be driven to slide at the same time.This Vehicle tyre mounting or dismounting auxiliary device to change the more laborsaving convenience of tire.

Description

A kind of Vehicle tyre mounting or dismounting auxiliary device

Technical field

The invention belongs to technical field of vehicle assist equipment, is related to a kind of Vehicle tyre mounting or dismounting auxiliary device.

Background technology

Gas leakage, situation of blowing out occurs in automobile in the process of moving, therefore emblem matches somebody with somebody spare tyre and jack on automobile, with Just tire is replaced in time, but the weight of tire is larger and is connected with wheel hub, needs to lift on tire during tire is changed Rise and the bolt alignment on axle and be inserted in, the process is extremely laborious, especially female driver, and tire is changed by people's completion Difficulty is larger.

The content of the invention

The purpose of the present invention is for existing technology, there are the above problem, it is proposed that a kind of Vehicle tyre mounting or dismounting auxiliary device, This Vehicle tyre mounting or dismounting auxiliary device to change the more laborsaving convenience of tire.

The purpose of the present invention can be realized by following technical proposal：A kind of Vehicle tyre mounting or dismounting auxiliary device, including bottom tool There is the base of roller, it is characterised in that be connected with guiding axis vertically on the base, which can move along the transverse direction of base It is dynamic, substrate is vertically slidably connected on the guiding axis, which is vertically arranged, and center is offered on substrate Hole, is rotatably connected to the rotating turret of annular plate-like on the side of the substrate, if being slidably connected on the side of the rotating turret Dry locating rod, which relatively rotates frame and is circumferentially evenly distributed with, and the glide direction of locating rod is identical with the radial direction of rotating turret, The locating rod includes being used for being inserted into registration arm in the wheelboss inner hole of tire, and the rotating turret is equipped with being capable of band at the same time The controls that dynamic some locating rods are slided, and controls can position locating rod after locating rod is slided and positioned, the bottom Fixed link is also associated with seat, the end of the fixed link is equipped with the fixing piece that can be positioned between car body and ground.

First substrate was fallen during use so that substrate tiles on the ground, and tire is placed on rotating turret so that positioning The registration arm of bar is inserted into the endoporus of bead seat, is displaced outwardly by some locating rods of controls so that some Then registration arm tensioner is lifted substrate in the endoporus of bead seat so that tire is vertical, and mobile base make it that tire is close The axle end of vehicle, laterally moves guiding axis to adjust the lateral position of tire, and vertically moving substrate is to adjust tire Vertical position so that wheelboss inner hole aligns with axle end, and the wheel hub of tire then is sleeved on axle end, rotates and fixes Bar so that the end of fixed link is rocked to below vehicle bottom reinforcing beam, is then positioned by fixing piece so that base is kept Stablize, rotating turret so that some connecting holes on wheel hub and some bolt alignments on axle, then promote base, make Wheel hub is obtained to be sleeved on bolt, it is more convenient laborsaving without manual support tire, operation then by nut check.

In above-mentioned Vehicle tyre mounting or dismounting auxiliary device, the Vehicle tyre mounting or dismounting auxiliary device further includes connecting tube and telescopic rod, The center bore axially along substrate of the connecting tube is circumferentially slidably connected at substrate to setting, one end of the connecting tube Centre bore edge, in connecting tube, the other end is vertically fixed with casing for one end sliding plug of the telescopic rod, in described sleeve pipe Slip is equipped with auxiliary rod, and auxiliary rod can facing sleeve rotate, casing is stretched out in one end of the auxiliary rod, and in stretching End has columnar interior connector, has Hexagon hole on the end face of the interior connector, and the other end of the auxiliary rod stretches out Casing, and there is the hexagonal outer connector in cross section in the end of stretching.Since substrate, rotating turret are respectively provided with certain thickness Degree and installation gap, common wrench, which is difficult to get at nut, to be operated, therefore is provided with auxiliary rod, and when operation moves connecting tube, Then adjustable telescopic rod so that auxiliary rod and nut aligning, the interior connector of auxiliary rod is sleeved on nut, is operated by spanner Outer connector, so that rotating nuts, easy to operate.

In above-mentioned Vehicle tyre mounting or dismounting auxiliary device, the link slot of annular, and the company are offered on the side of the substrate Access slot is set around centre bore, and the end of the connecting tube has the connecting plate of U-shaped, has connection on the medial surface of the connecting plate Convex portion, the connecting plate slides the centre bore edge for being buckled in substrate, and connection protuberance is slidably connected in link slot, the connection Bar-shaped trough is provided in the axial direction with the outer wall of pipe, there is contiguous block on the inner outer wall of the telescopic rod, which, which slides, connects It is connected in bar-shaped trough.Realize being slidably connected between connecting tube and substrate, facilitate position to adjust, and the component such as auxiliary rod is not easy to lose Lose.

In above-mentioned Vehicle tyre mounting or dismounting auxiliary device, the locating rod further includes linking arm, above-mentioned registration arm and linking arm Perpendicular, the front of the rotating turret is circumferential to offer some dovetail grooves, the length directions of some dovetail grooves and centre bore Radially identical, the linking arm is slidably connected in dovetail groove.Linking arm is radially slidably connected on rotating turret, even structure Symmetrically, the positioning to tire is more stablized.

In above-mentioned Vehicle tyre mounting or dismounting auxiliary device, the controls includes control loops, and the front of the rotating turret is connected There is the connecting rod of some L-shaped, the free end of some connecting rods is towards the center of centre bore, the periphery of the control loops Sliding slot is circumferentially offered on wall, the free end of above-mentioned connecting rod is slidably connected in the sliding slot of control loops, and the control loops are with turning Circumferentially there is screw thread on the opposite side of moving frame, there is the convex of some strips along its length on the side of the linking arm Tooth, and the length direction of double wedge is set along the width of linking arm, the double wedge of the linking arm is mutually nibbled with the screw thread of control loops Close, some control sticks are also fixed with the outer wall of the control loops.Slewing maneuver ring, the screw thread of control loops and the double wedge of linking arm It is meshed, therefore linking arm can be driven to move, and there is auto-lock function after being moved into place, stable structure, and it is easy to operate.

In above-mentioned Vehicle tyre mounting or dismounting auxiliary device, the front of the substrate has the connection convex edge of annular, and the connection is convex Set along around centre bore, annular groove is circumferentially offered on the periphery wall of the connection convex edge, is turned on the back side of the rotating turret Dynamic to be connected with some support wheels, some support wheels are circumferentially uniformly distributed, and some support wheels are resisted against in annular groove.So that turn Moving frame is rotatably connected on substrate, and is attached between the two by support wheel, after the larger pressure of tire is subject to still Smooth, rapid operation can be rotated.

In above-mentioned Vehicle tyre mounting or dismounting auxiliary device, guide groove is transversely offered on the upper side of the base, it is described Two guide pads are slidably connected in guide groove, the lower end of above-mentioned guiding axis is connected on one of guide pad vertically, described to lead Transverse screw is also rotatably connected into groove, two guide pads are screwed onto on transverse screw.Guide pad carries out guiding axis It is oriented to so that guiding axis keeps stablizing, and drives guiding axis to move by transverse screw, easy to operate, and shift position is more Add precisely.

In above-mentioned Vehicle tyre mounting or dismounting auxiliary device, vertical screw rod is rotatably connected on the guide pad described in another, should The vertical upper end of screw rod is connected with the upper end of guiding axis by cross bar, be respectively fixedly connected on the back side of the substrate guide sleeve and Swivel nut, the guide sleeve are slidably located on guiding axis, and the swivel nut is screwed onto on vertical screw rod, same guide sleeve and guiding axis Coordinating so that substrate keeps stablizing, and by vertical screw rod come elevation base plate, it is easy to operate, and shift position is accurate.

In above-mentioned Vehicle tyre mounting or dismounting auxiliary device, the fixing piece includes support column and fixed column, the fixed link Free end is fixed with connector sleeve, which is vertically arranged, and the support column is slided and is threaded through in connector sleeve, the support column Upper end offers screw hole, and the lower end of the fixed column is screwed onto in the screw hole of support column, the upper end of the fixed column and support column Lower end be rotatably connected to backing plate, be fixed with polyurethane block on the side of the backing plate.Fixing piece is moved to car body bottom Fixed column is rotated after below portion's reinforcing beam, fixed column is stretched out upwards so that the polyurethane block on the backing plate of top is pressed on car body bottom On portion's reinforcing beam, the polyurethane block on the backing plate of lower section is compressed on the ground, so as to be kept to base.

In above-mentioned Vehicle tyre mounting or dismounting auxiliary device, the edge of the base transversely offers avoidance notch, above-mentioned solid Positioned at avoiding in notch and wearing connection by clamping screw, the upper end of the clamping screw is stretched out on the upside of base for the end of fixed pole Face, and it is bolted with locking nut in the end of stretching.Fixed link, which can be rocked to, when not in use avoids in notch, conveniently deposits Put, and the rotation locking nut after wheel hub is set on bolt so that base keeps stablizing.

Compared with prior art, this Vehicle tyre mounting or dismounting auxiliary device has the following advantages：

1st, it is supported by rotating turret due to changing tire during tire and is adjusted with position, without manual support wheel Tire, operation are more convenient laborsaving.

2nd, since substrate, rotating turret are respectively provided with certain thickness and installation gap, common wrench is difficult to get at nut progress Operation, therefore is provided with auxiliary rod, and when operation moves connecting tube, then adjustable telescopic rod so that auxiliary rod and nut aligning, will The interior connector of auxiliary rod is sleeved on nut, outer connector is operated by spanner, so that rotating nuts, easy to operate.

3rd, due to being attached between rotating turret and substrate by support wheel, still can after the larger pressure of tire is subject to Enough rotate smooth, rapid operation.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram of Vehicle tyre mounting or dismounting auxiliary device.

Fig. 2 is the structure sectional view of Vehicle tyre mounting or dismounting auxiliary device.

Fig. 3 is the schematic enlarged-scale view at A in Fig. 1.

Fig. 4 is the schematic enlarged-scale view at B in Fig. 2.

Fig. 5 is the schematic enlarged-scale view at C in Fig. 2.

Fig. 6 is the dimensional structure diagram at another visual angle of Vehicle tyre mounting or dismounting auxiliary device.

In figure, 1, base；11st, roller；12nd, guide groove；13rd, transverse screw；14th, guide pad；15th, guiding axis；16th, it is vertical Screw rod；17th, cross bar；18th, notch is avoided；2nd, substrate；21st, centre bore；22nd, link slot；23rd, convex edge is connected；231st, annular groove； 24th, swivel nut；25th, guide sleeve；3rd, rotating turret；31st, dovetail groove；32nd, connecting rod；33rd, support wheel；4th, locating rod；41st, registration arm； 42nd, linking arm；43rd, double wedge；5th, controls；51st, control loops；511st, sliding slot；512nd, screw thread；6th, fixed link；61st, connector sleeve；62、 Clamping screw；63rd, locking nut；7th, fixing piece；71st, support column；72nd, fixed column；73rd, backing plate；74th, polyurethane block；8th, connect Pipe；81st, connecting plate；82nd, connection protuberance；83rd, bar-shaped trough；9th, telescopic rod；91st, casing；92nd, auxiliary rod；921st, interior connector； 922nd, Hexagon hole；923rd, outer connector；93rd, contiguous block.

Embodiment

It is the specific embodiment of the present invention and with reference to attached drawing below, technical scheme is further described, But the present invention is not limited to these embodiments.

As shown in Figure 1 and Figure 2, a kind of Vehicle tyre mounting or dismounting auxiliary device, including bottom have the base 1 of roller 11, on base 1 Guiding axis 15 is connected with vertically, which can be along the transverse shifting of base 1, the vertically company of slip on guiding axis 15 Substrate 2 is connected to, which is vertically arranged, and offers centre bore 21 on a substrate 2, and ring is rotatably connected on the side of substrate 2 The rotating turret 3 of shape tabular, slidably connects some locating rods 4 on the side of rotating turret 3, which relatively rotates framves 3 It is circumferential uniformly distributed, and the glide direction of locating rod 4 is identical with the radial direction of rotating turret 3, locating rod 4 includes being used to be inserted into tire Registration arm 41 in wheelboss inner hole, rotating turret 3 are equipped with the controls 5 that some locating rods 4 can be driven to slide at the same time, and when fixed Controls 5 can position locating rod 4 after position bar 4 slides positioning, and fixed link 6 is also associated with base 1, the fixed link 6 End is equipped with the fixing piece 7 that can be positioned between car body and ground.First substrate 2 was fallen during use so that substrate 2 is laid in On ground, tire is placed on rotating turret 3 so that the registration arm 41 of locating rod 4 is inserted into the endoporus of bead seat, is passed through Controls 5 is so that some locating rods 4 are displaced outwardly so that some 41 tensioners of registration arm are in the endoporus of bead seat, then Substrate 2 is lifted so that tire is vertical, and mobile base 1 is so that tire close to the axle end of vehicle, laterally moves guiding axis 15 to adjust the lateral position of tire, and vertically moving substrate 2 is to adjust the vertical position of tire so that wheelboss inner hole and axle End part aligning, is then sleeved on axle end by the wheel hub of tire, rotates fixed link 6 so that the end of fixed link 6 is rocked to car body Below the reinforcing beam of bottom, then positioned by fixing piece 7 so that base 1 keeps stablizing, rotating turret 3 so that on wheel hub Some connecting holes and axle on some bolt alignments, then promote base 1 so that wheel hub is sleeved on bolt, then by spiral shell Mother's locking, it is more convenient laborsaving without 33 tire of manual support wheel, operation.

With reference to shown in Fig. 3, Fig. 4, Vehicle tyre mounting or dismounting auxiliary device further includes connecting tube 8 and telescopic rod 9, the axial direction of connecting tube 8 Radially set along the centre bore 21 of substrate 2, one end of connecting tube 8 is circumferentially slidably connected at 21 edge of centre bore of substrate 2, stretches In connecting tube 8, the other end is vertically fixed with casing 91, is slided in casing 91 and is equipped with auxiliary for one end sliding plug of contracting bar 9 Bar 92, and auxiliary rod 92 can facing sleeve 91 rotate, casing 91 is stretched out in one end of auxiliary rod 92, and has in the end of stretching Columnar interior connector 921, has Hexagon hole 922 on the end face of the interior connector 921, and the other end of auxiliary rod 92 stretches out set Pipe 91, and there is the hexagonal outer connector 923 in cross section in the end of stretching, since substrate 2, rotating turret 3 are respectively provided with one Fixed thickness and installation gap, common wrench, which is difficult to get at nut, to be operated, therefore is provided with auxiliary rod 92, and when operation moves Connecting tube 8, then adjustable telescopic rod 9 so that auxiliary rod 92 and nut aligning, spiral shell is sleeved on by the interior connector 921 of auxiliary rod 92 On mother, outer connector 923 is operated by spanner, so that rotating nuts, easy to operate.Annular is offered on the side of substrate 2 Link slot 22, and the link slot 22 is set around centre bore 21, the end of connecting tube 8 has the connecting plate 81 of U-shaped, the connecting plate There is connection protuberance 82, connecting plate 81 slides 21 edge of centre bore for being buckled in substrate 2, and connection protuberance 82 is slided on 81 medial surface It is dynamic to be connected in link slot 22, bar-shaped trough 83 is provided in the axial direction with the outer wall of connecting tube 8, is had on the inner outer wall of telescopic rod 9 There is contiguous block 93, which is slidably connected in bar-shaped trough 83, realizes being slidably connected between connecting tube 8 and substrate 2, side Just position is adjusted, and the grade component of auxiliary rod 92 is not easy to lose.

Locating rod 4 further includes linking arm 42, and registration arm 41 and linking arm 42 are perpendicular, and the front of rotating turret 3 is circumferential to be opened up There are some dovetail grooves 31, the length direction of some dovetail grooves 31 is identical with the radial direction of centre bore 21, and linking arm 42 is slidably connected In dovetail groove 31, linking arm 42 is radially slidably connected on rotating turret 3, and even structure is symmetrical, and the positioning to tire is more Stablize.Controls 5 includes control loops 51, and the front of rotating turret 3 is fixed with the connecting rod 32 of some L-shaped, some connecting rods 32 Free end towards the center of centre bore 21, circumferentially offer sliding slot 511, connecting rod 32 on the periphery wall of control loops 51 Free end be slidably connected in the sliding slot 511 of control loops 51, circumferentially there is spiral shell on the side opposite with rotating turret 3 of control loops 51 Line 512, has the double wedge 43 of some strips on the side of linking arm 42 along its length, and the length direction of double wedge 43 is along even The width for connecing arm 42 is set, and the double wedge 43 of linking arm 42 is meshed with the screw thread 512 of control loops 51, the outer wall of control loops 51 On be also fixed with some control sticks, slewing maneuver ring 51, the screw thread 512 of control loops 51 is meshed with the double wedge 43 of linking arm 42, Therefore linking arm 42 can be driven to move, and there is auto-lock function after being moved into place, stable structure, and it is easy to operate.

With reference to shown in Fig. 5, Fig. 6, the front of substrate 2 has the connection convex edge 23 of annular, and the connection convex edge 23 is around center Hole 21 is set, and is connected and is circumferentially offered annular groove 231 on the periphery wall of convex edge 23, if being rotatably connected on the back side of rotating turret 3 Dry support wheel 33, some support wheels 33 are circumferential uniformly distributed, and some support wheels 33 are resisted against in annular groove 231 so that rotating turret 3 Rotation connection on a substrate 2, and is attached by support wheel 33 between the two, still can after the larger pressure of tire is subject to Enough rotate smooth, rapid operation.Guide groove 12 is transversely offered on the upper side of base 1, is slidably connected in guide groove 12 Two guide pads 14, the lower end of guiding axis 15 are connected on one of guide pad 14, are also rotatably connected in guide groove 12 vertically Transverse screw 13, two guide pads 14 are screwed onto on transverse screw 13, and guide pad 14 is oriented to guiding axis 15 so that are oriented to Axis 15 keeps stablizing, and drives guiding axis 15 to move by transverse screw 13, easy to operate, and shift position is more accurate. Vertical screw rod 16 is rotatably connected on another guide pad 14, the upper end of the vertical screw rod 16 passes through horizontal stroke with the upper end of guiding axis 15 Bar 17 is connected, and has been respectively fixedly connected guide sleeve 25 and swivel nut 24 on the back side of substrate 2, and guide sleeve 25 is slidably located in guiding axis 15 On, swivel nut 24 is screwed onto on vertical screw rod 16, and same guide sleeve 25 coordinates with guiding axis 15 so that substrate 2 keeps stablizing, and leads to Cross vertical screw rod 16 and carry out elevation base plate 2, it is easy to operate, and shift position is accurate.

Fixing piece 7 includes support column 71 and fixed column 72, and the free end of fixed link 6 is fixed with connector sleeve 61, the connector sleeve 61 are vertically arranged, and support column 71 is slided and is threaded through in connector sleeve 61, and the upper end of support column 71 offers screw hole, under fixed column 72 End is screwed onto in the screw hole of support column 71, and the upper end of fixed column 72 and the lower end of support column 71 are rotatably connected to backing plate 73, pad Polyurethane block 74 is fixed with the side of plate 73, fixed column is rotated after fixing piece 7 is moved to below vehicle bottom reinforcing beam 72, fixed column 72 is stretched out upwards so that the polyurethane block 74 on top backing plate 73 is pressed on vehicle bottom reinforcing beam, lower section pad Polyurethane block 74 on plate 73 compresses on the ground, so as to be kept to base 1.The edge of base 1, which transversely offers, to be kept away Allow notch 18, the end of fixed link 6 positioned at avoiding in notch 18 and wear connection by clamping screw 62, clamping screw 62 it is upper 1 upper side of base is stretched out at end, and is bolted with locking nut 63 in the end of stretching, and fixed link 6 can be rocked to when not in use Avoid in notch 18, convenient storage, and the rotation locking nut 63 after wheel hub is set on bolt so that base 1 keeps stablizing.

Claims (10)

1. a kind of Vehicle tyre mounting or dismounting auxiliary device, including bottom have the base (1) of roller (11), it is characterised in that the base (1) guiding axis (15) is connected with vertically, which can be along the transverse shifting of base (1), the guiding axis (15) On vertically slidably connect substrate (2), which is vertically arranged, and offers centre bore on substrate (2) (21), the rotating turret (3) of annular plate-like is rotatably connected on the side of the substrate (2), is slided on the side of the rotating turret (3) Dynamic to be connected with some locating rods (4), which relatively rotates frame (3) and is circumferentially evenly distributed with, and the slip of locating rod (4) Direction is identical with the radial direction of rotating turret (3), and the locating rod (4) includes being used for the positioning being inserted into the wheelboss inner hole of tire Arm (41), the rotating turret (3) is equipped with the controls (5) that some locating rods (4) can be driven to slide at the same time, and works as locating rod (4) controls (5) can position locating rod (4) after sliding positioning, and fixed link (6) is also associated with the base (1), should The end of fixed link (6) is equipped with the fixing piece (7) that can be positioned between car body and ground.

2. Vehicle tyre mounting or dismounting auxiliary device according to claim 1, it is characterised in that the Vehicle tyre mounting or dismounting auxiliary device also wraps Connecting tube (8) and telescopic rod (9) are included, the centre bore (21) axially along substrate (2) of the connecting tube (8) is radially set, described One end of connecting tube (8) is circumferentially slidably connected at centre bore (21) edge of substrate (2), and one end of the telescopic rod (9) is slided Dynamic to be plugged in connecting tube (8), the other end is vertically fixed with casing (91), is slided in described sleeve pipe (91) and is equipped with auxiliary rod (92), and auxiliary rod (92) can facing sleeve (91) rotate, casing (91) is stretched out in one end of the auxiliary rod (92), and is stretching The end gone out has columnar interior connector (921), has Hexagon hole (922) on the end face of the interior connector (921), described The other end of auxiliary rod (92) stretches out casing (91), and has the hexagonal outer connector in cross section in the end of stretching (923)。

3. Vehicle tyre mounting or dismounting auxiliary device according to claim 2, it is characterised in that opened up on the side of the substrate (2) There is the link slot (22) of annular, and the link slot (22) is set around centre bore (21), the end of the connecting tube (8) has U The connecting plate (81) of shape, has connection protuberance (82) on the medial surface of the connecting plate (81), and the connecting plate (81) is slided and is buckled in Centre bore (21) edge of substrate (2), and connection protuberance (82) is slidably connected in link slot (22), the connecting tube (8) Bar-shaped trough (83) is provided in the axial direction with outer wall, there is contiguous block (93), the contiguous block on the inner outer wall of the telescopic rod (9) (93) it is slidably connected in bar-shaped trough (83).

4. the Vehicle tyre mounting or dismounting auxiliary device according to Claims 2 or 3, it is characterised in that locating rod (4) company of further including Arm (42) is connect, above-mentioned registration arm (41) and linking arm (42) are perpendicular, and the front of the rotating turret (3) is circumferential to offer some swallows Stern notch (31), the length direction of some dovetail grooves (31) is identical with the radial direction of centre bore (21), and the linking arm (42) is slided It is connected in dovetail groove (31).

5. Vehicle tyre mounting or dismounting auxiliary device according to claim 4, it is characterised in that the controls (5) includes control loops (51), the front of the rotating turret (3) is fixed with the connecting rod (32) of some L-shaped, and the free end of some connecting rods (32) is equal Towards the center of centre bore (21), sliding slot (511), above-mentioned connection are circumferentially offered on the periphery wall of the control loops (51) The free end of bar (32) is slidably connected in the sliding slot (511) of control loops (51), and the control loops (51) are opposite with rotating turret (3) Side on circumferentially there is screw thread (512), it is convex with some strips along its length on the side of the linking arm (42) Tooth (43), and the length direction of double wedge (43) is set along the width of linking arm (42), the double wedge of the linking arm (42) (43) it is meshed with the screw thread (512) of control loops (51), some control sticks is also fixed with the outer wall of the control loops (51).

6. the Vehicle tyre mounting or dismounting auxiliary device according to Claims 2 or 3, it is characterised in that the front of the substrate (2) has The connection convex edge (23) of annular, the connection convex edge (23) are set around centre bore (21), the periphery wall of connection convex edge (23) Upper circumferential direction offers annular groove (231), is rotatably connected to some support wheels (33) on the back side of the rotating turret (3), this is some Support wheel (33) is circumferentially uniformly distributed, and some support wheels (33) are resisted against in annular groove (231).

7. Vehicle tyre mounting or dismounting auxiliary device according to claim 6, it is characterised in that edge on the upper side of the base (1) Guide groove (12) is laterally offered, two guide pads (14) are slidably connected in the guide groove (12), above-mentioned guiding axis (15) Lower end is connected on one of guide pad (14) vertically, and transverse screw (13) is also rotatably connected in the guide groove (12), Two guide pads (14) are screwed onto on transverse screw (13).

8. Vehicle tyre mounting or dismounting auxiliary device according to claim 7, it is characterised in that on the guide pad (14) described in another Vertical screw rod (16) is rotatably connected to, the upper end of the vertical screw rod (16) is connected with the upper end of guiding axis (15) by cross bar (17) Connect, guide sleeve (25) and swivel nut (24) have been respectively fixedly connected on the back side of the substrate (2), the guide sleeve (25) is slidably located in On guiding axis (15), the swivel nut (24) is screwed onto on vertical screw rod (16).

9. the Vehicle tyre mounting or dismounting auxiliary device according to Claims 2 or 3, it is characterised in that the fixing piece (7) includes support Column (71) and fixed column (72), the free end of the fixed link (6) are fixed with connector sleeve (61), which sets vertically Put, the support column (71), which is slided, to be threaded through in connector sleeve (61), and the upper end of the support column (71) offers screw hole, described solid The lower end of fixed column (72) is screwed onto in the screw hole of support column (71), the upper end of the fixed column (72) and the lower end of support column (71) Backing plate (73) is rotatably connected to, polyurethane block (74) is fixed with the side of the backing plate (73).

10. Vehicle tyre mounting or dismounting auxiliary device according to claim 9, it is characterised in that the edge of the base (1) is transversely Offer and avoid notch (18), the end of above-mentioned fixed link (6) is worn in avoidance notch (18) and by clamping screw (62) If connection, base (1) upper side is stretched out in the upper end of the clamping screw (62), and is bolted with locking nut in the end of stretching (63)。