CN111559353A

CN111559353A - Hub clamping device

Info

Publication number: CN111559353A
Application number: CN202010555978.XA
Authority: CN
Inventors: 刘连军
Original assignee: Autel Intelligent Technology Corp Ltd
Current assignee: Autel Intelligent Technology Corp Ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2020-08-21
Also published as: WO2021254370A1

Abstract

The invention relates to the technical field of automobiles, and provides a hub clamping device which comprises a main body, a clamping assembly and a traction assembly. Two the centre gripping subassembly install respectively in the main part, pull the subassembly and connect two respectively the centre gripping subassembly, it is adjustable to pull the subassembly the range that the centre gripping subassembly extends makes two the centre gripping subassembly simultaneously for the main part removes, and two the centre gripping subassembly is relative pull the displacement volume of subassembly the same, two when the centre gripping subassembly is held respectively when holding on the tire, can make the axis of installation module and the central axis coincidence of wheel hub, thereby realize accurate positioning between wheel hub clamping device and the wheel hub, and installation operation process is simple, quick.

Description

Hub clamping device

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of automobiles, in particular to a hub clamping device.

[ background of the invention ]

During vehicle servicing (e.g., four-wheel alignment, ADAS calibration), various accessories need to be installed on the wheel hub. The hub clamping device needs to be accurately positioned when being installed on a hub, but the existing hub clamping device is divided into two types, one type is that the hub clamping device can be quickly installed but cannot be accurately positioned, and the other type is that the hub clamping device can be accurately positioned but is complex in installation operation and long in installation time.

[ summary of the invention ]

In order to solve the above technical problem, an embodiment of the present invention provides a hub clamping device, which can be accurately positioned with respect to a hub and is simple and convenient to install.

The embodiment of the invention adopts the following technical scheme for solving the technical problems:

there is provided a hub holding device comprising:

the device comprises a main body, a control module and a display module, wherein the main body is provided with an installation module which is used for connecting an external device;

two clamping assemblies respectively connected to opposite ends of the main body, the two clamping assemblies being adapted to clamp a tire of a wheel such that the hub clamping device is attached to the wheel, the two clamping assemblies being extendable relative to the main body to reach an edge of the tire; and

the traction assembly is arranged on the main body and is respectively connected with the two clamping assemblies, and the traction assembly is used for adjusting the extending amplitude of the clamping assemblies;

when the two clamping assemblies are respectively clamped on the tire, the main body abuts against the hub of the wheel, and the central axis of the mounting module coincides with the central axis of the hub.

Optionally, the traction assembly is located in the middle of the body, and the traction assembly comprises a rotating wheel, a traction piece and a reset piece;

the rotating wheel is rotatably connected to the main body;

the traction piece is connected with the rotating wheel and the clamping assembly, and the rotating wheel is used for accommodating the traction piece so that the traction piece can adapt to the movement of the clamping assembly;

the reset piece is used for pulling the clamping assembly to move towards the direction far away from the traction assembly when external force, and pulling force is generated on the clamping assembly through the traction piece.

Optionally, one end of the traction piece is connected with the clamping assembly, and the other end of the traction piece is wound on the rotating wheel and fixed on the rotating wheel.

Optionally, the number of the reset pieces is two, and the two reset pieces are arranged at two opposite ends of the rotating wheel.

Optionally, reset the piece for elastic and install in the swiveling wheel, when the swiveling wheel receives external force to rotate, reset the piece and produce deformation in order to generate right pull force of pulling the piece, external force is released the back, reset the piece and resume deformation so that pull the piece and accept back the swiveling wheel.

Optionally, the piece that resets is the torsional spring, the both ends of torsional spring are connected respectively the main part with the swiveling wheel.

Optionally, the traction assembly further comprises a fixing frame fixed to the main body;

the mount is equipped with installation space, the swiveling wheel with the piece that resets all accept in installation space, the one end that pulls extends to installation space outside with the centre gripping subassembly is connected.

Optionally, the fixing frame is provided with two positioning columns;

the traction assembly further comprises two fixed pulleys, and each fixed pulley is sleeved on one corresponding positioning column;

the middle part of each traction piece is wound on a corresponding fixed pulley, so that one ends of the two traction pieces, which deviate from the rotating wheel, are positioned on the same straight line.

Optionally, the clamp assembly is pivotable relative to the body.

Optionally, the clamp assembly comprises a connecting bar pivotally mounted to the body and a clamping bar pivotally connected to the connecting bar;

the clamping rod is far away from one end of the connecting rod is provided with a clamping jaw, and the clamping jaw is used for clamping the tire.

Optionally, the clamping assembly further comprises a handle disposed on the clamping bar, the handle being pulled by an outside to provide an external force.

Optionally, the hub gripping device further comprises a locking assembly;

the locking assembly is connected to the traction assembly and is used for locking the traction assembly to the main body so as to limit the rotation of the traction assembly relative to the main body and enable the clamping assembly to clamp the tire.

Optionally, the locking device comprises a locking rod and a braking module matched with the locking rod, the locking rod is fixedly connected with the rotating wheel, and the braking module is arranged on the main body;

wherein, when external force pulling pull draw the piece in order to drive when the swiveling wheel rotates, the locking lever follows the swiveling wheel rotates, works as the centre gripping subassembly centre gripping in during the tire, the locking lever receive external force to swiveling wheel pivoted opposite direction rotates extremely braking module position, braking module restriction the displacement of locking lever, so that draw the piece take-up centre gripping subassembly, and then make the centre gripping subassembly presss from both sides tightly the tire.

Optionally, the hub clamping device further comprises a stretching assembly, and the stretching assembly is arranged between the clamping assembly and the traction piece;

the stretching assembly is elastic, and when the locking rod is rotated in the direction opposite to the rotating direction of the rotating wheel under the action of an external force, the stretching assembly provides an elastic force, so that the clamping assembly clamps the tire.

Optionally, each of the stretching assemblies comprises an elastic member, a push rod and a sleeve;

the push rod is provided with a shaft shoulder, a step surface is arranged inside the casing, the elastic piece is sleeved on the push rod and is contained in the casing, and two ends of the elastic piece are respectively abutted against the shaft shoulder and the step surface;

the push rod is connected with the traction piece, and the shell is connected with the clamping assembly.

Optionally, the stretching assembly further comprises a press block;

the one end of briquetting is connected the cover shell, the other end of briquetting with the centre gripping subassembly is rotationally connected.

Optionally, the main body comprises a housing and a base, the housing being connected with the base;

the clamping assembly is connected to the base, and the braking module is arranged on the shell.

Optionally, the number of the brake modules is at least two, and at least two of the brake modules are located at different positions where the locking rod passes when rotating in a direction opposite to the rotation direction of the rotating wheel, so that the stretching assembly provides different elastic forces.

Optionally, the brake module is a clamping groove, and a communication mechanism is arranged between the clamping grooves at different positions, so that the locking rod rotates to the positions of the clamping grooves at different positions through the communication mechanism.

Optionally, the communication mechanism is a communication groove communicated with the clamping groove, the locking rod passes through the communication groove, and the locking rod can rotate in the communication groove;

the depth of the clamping groove is greater than that of the communicating groove;

the locking lever includes dead lever and handle, the dead lever with swiveling wheel fixed connection, the handle passes the intercommunication groove, the handle with but the dead lever angle modulation ground is connected, so that the handle can the intercommunication groove with displacement between the draw-in groove.

Optionally, the housing and the base form a concave cavity with an opening on one surface, and the traction assembly is accommodated in the concave cavity;

the bottom surface of casing is provided with installation module, wherein, the bottom surface of casing is for deviating from its open-ended one side.

Optionally, the bottom surface of the housing is symmetrically shaped, and the mounting module is mounted in the center of the bottom surface.

Optionally, one end of the shell, which faces away from the bottom surface, is provided with a butting seat, and the butting seat is used for butting the end surface of the wheel hub when the tire is clamped by the clamping assembly.

Optionally, the base is made of an elastic material.

Compared with the prior art, in the embodiment of the invention, the two clamping assemblies are respectively arranged on the main body, the traction assembly is respectively connected with the two clamping assemblies, the traction assembly can enable the two clamping assemblies to simultaneously move relative to the main body, the displacement amount of the two clamping assemblies relative to the central axis of the installation module is the same, when the two clamping assemblies are respectively clamped on the tire, the central axis of the installation module can be coincided with the central axis of the hub, so that the accurate positioning between the hub clamping device and the hub is realized, and the installation operation process is simple and quick.

[ description of the drawings ]

One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.

FIG. 1 is a schematic structural view of a hub clamping device according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the main body of the hub clamping device shown in FIG. 1;

FIG. 3 is an exploded view of the body shown in FIG. 2;

FIG. 4 is an enlarged view of the body shown in FIG. 3 at A;

FIG. 5 is a structural schematic view of the hub clamping device shown in FIG. 1 from another perspective with some elements omitted;

FIG. 6 is a schematic view of the draft assembly of the hub gripping apparatus shown in FIG. 5;

FIG. 7 is an exploded view of the tow assembly shown in FIG. 6;

FIG. 8 is an exploded view of the rotating wheel of the traction assembly shown in FIG. 7;

FIG. 9 is a schematic view of a clamping assembly of the hub clamping device shown in FIG. 5;

FIG. 10 is a schematic view of a locking assembly of the hub clamping device shown in FIG. 1;

FIG. 11 is a structural schematic view of the hub clamping device shown in FIG. 1 from another perspective with some elements omitted;

FIG. 12 is a structural schematic view of another state of the hub clamping device shown in FIG. 1 with some elements omitted;

FIG. 13 is an exploded view of the tension assembly of the hub clamping device shown in FIG. 12;

figure 14 is a cross-sectional view of the stretching assembly shown in figure 13.

[ detailed description ] embodiments

In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. 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 other element or intervening elements may be present. As used in this specification, the terms "upper," "lower," "inner," "outer," "bottom," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, an embodiment of the present invention provides a hub clamping device 100, which includes: a body 10, a pulling assembly 20, and a gripping assembly 30. The number of the clamping assemblies 30 is two, two of the clamping assemblies 30 are respectively connected to the main body 10, two of the clamping assemblies 30 are respectively extendable relative to the main body 10, and the clamping assemblies 30 are used for clamping tires of wheels. The traction assembly 20 is mounted on the main body 10, the traction assembly 20 is respectively connected with the two clamping assemblies 30, and the traction assembly 20 is used for adjusting the extension amplitude of the two clamping assemblies 30.

Be equipped with installation module on main part 10, installation module is used for connecting external device, installation module is equipped with axis X, preferably, two centre gripping subassembly 30 for axis X symmetry sets up. The traction assembly 20 can pull the two clamping assemblies 30 to move relative to the main body 10 at the same time, and the displacement amount of the two clamping assemblies 30 relative to the central axis X is the same, so that when the two clamping assemblies 30 are respectively clamped on the edge of the tire, the central axis X coincides with the central axis of the wheel hub.

Referring to fig. 2 to 4, the main body 10 includes a base 11 and a housing 12, and the base 11 is fixed to the housing 12. The clamping assembly 30 is mounted on the base 11, the traction assembly 20 is accommodated in the housing 12, and the mounting module is disposed on the housing 12.

The base 11 includes a base 110 and two support portions 112, and the two support portions 112 are respectively disposed on the base 110. The base 110 is fixedly connected to the housing 12, and the two support portions 112 are symmetrically disposed with respect to the central axis X. The base 11 is further provided with two supporting rod rotating shafts 114, the two supporting rod rotating shafts 114 are respectively connected to the two supporting portions 112, each supporting rod rotating shaft 114 corresponds to one supporting portion 112, and each supporting rod rotating shaft 114 is respectively connected to one corresponding clamping assembly 30. The axis of the strut rotating shaft 114 is perpendicular to the central axis X.

The shell 12 is circular and concave, a concave cavity with an opening on one side is arranged in the shell 12, and the traction assembly 20 is arranged in the concave cavity. The housing 12 includes a bottom plate 120 and a side plate 122, the bottom plate 120 is connected to one end of the side plate 122, the bottom plate 120 and the side plate 122 enclose to form the concave cavity, and an opening of the concave cavity is disposed at one end of the side plate 122 departing from the bottom plate 120. The base 11 is installed at the other end of the side plate 122, and the base 11 is arranged in the concave cavity. In this embodiment, an end surface of the end of the housing 12 where the bottom plate 120 is disposed is defined as a bottom surface of the housing 12, and an end surface of the end of the housing 12 where the opening of the recessed cavity is disposed is defined as an opening surface of the housing 12, where when the hub holding device 100 is held on a tire, the opening surface of the housing 12 faces a hub, and a back surface of the housing 12 is away from the hub.

It will be appreciated that in some other embodiments, the housing 12 may be configured as an oval-shaped concave structure, an elongated beam-like structure, a rectangular plate-like structure, etc., as long as it is possible to provide the mounting positions of the clamping assembly 30 and the pulling assembly 20.

The middle part of the bottom plate 120 is provided with a positioning through hole 1200, and the positioning through hole 1200 penetrates through the bottom plate 120. In this embodiment, the positioning through hole 1200 is the mounting module, and a central axis of the positioning through hole 1200 is the central axis X. The positioning through hole 1200 is used for mounting various auxiliary alignment devices, which may be a target with an alignment image, a laser used for positioning or cooperating with a vehicle alignment device, a light reflecting device, and the like, and is not limited herein. When the hub clamping device 100 is clamped on a wheel, the positioning through hole 1200 is aligned to the center of the hub, that is, the central axis of the positioning through hole 1200 coincides with the central axis of the hub. The bottom plate 120 is provided with a symmetrical shape, such as a circle, an ellipse, a rectangle, and the like, in this embodiment, the bottom plate 120 is a circle, and a central axis of the positioning through hole 1200 coincides with a central axis of the bottom plate 120.

In some other embodiments, for the purpose of fixing the auxiliary calibrating device to the hub clamping device 100, the mounting module may further include a reinforcing structure, for example, a protrusion extending from the housing 12 in a direction away from the base 11 and accommodating the positioning through hole 1200, and an abutting structure perpendicular to the central axis of the positioning through hole 1200 is disposed on the protrusion, and when the auxiliary calibrating device is mounted to the positioning through hole 1200, the auxiliary calibrating device may be fastened and abutted to the positioning through hole 1200 by the abutting structure, but the reinforcing structure may be implemented in other manners; the reinforcing structure is disposed at the end of the auxiliary calibration device, or the installation between the hub clamping device 100 and the auxiliary calibration device can be reinforced by a separate fitting, and the specific implementation of the reinforcing structure is not limited in the present application.

The side plate 122 is provided with two mounting grooves 1220, the mounting grooves 1220 penetrate through the side plate 122 to communicate the concave cavity with the outside, and the position of each mounting groove 1220 corresponds to the position of one support part 112. The mounting slot 1220 is used for the clamping assembly 30 to pass through to connect with the base 11.

The side plate 122 is further provided with a communication groove 1222 and a card groove 1224, and the communication groove 1222 and the two card grooves 1224 penetrate through the side plate 122. The communication groove 1222 is an arc-shaped groove, two card slots 1224 are provided at one side of the communication groove 1222, and the two card slots 1224 are respectively communicated with the communication groove 1222. A fixture block 1226 is further disposed in each of the card slots 1224, and the fixture block 1226 is located at a connection position of the card slot 1224 and the communication slot 1222.

In this embodiment, the base 11 and the housing 12 are separate components, and the base 11 and the clamping assembly 30 are assembled and then mounted on the housing 12, so as to facilitate the mounting of the clamping assembly 30. It will be appreciated that in some other embodiments, the base 11 and the housing 12 may be integrally formed, or the base 11 may be omitted and the clamp assembly 30 may be directly mounted to the housing 12.

The main body 10 further includes a supporting seat 13, the supporting seat 13 is disposed on the casing 12, and the supporting seat 13 is disposed at an end of the side plate 122 departing from the bottom plate 120. The abutting seat 13 is made of a material with a relatively small hardness, for example, an elastic material such as plastic, rubber, or silicone. When the hub clamping device 100 is clamped on a tire, the abutting seat 13 abuts against the end surface of the hub, so that the damage to the surface of the hub caused by the direct contact between the rigid shell 12 and the hub can be avoided. In this embodiment, the abutment 13 is provided in a ring shape to accommodate the structural shape of the housing 12. It is understood that in some other embodiments, the abutting seat 13 may be configured in other shapes according to practical situations, such as an oval ring shape, a rectangular ring shape, a long strip shape, etc., as long as the shape of the abutting seat 13 is matched with the shape of the housing 12.

Referring to fig. 5 to 6, the drawing assembly 20 is disposed in the middle of the main body 10, and the drawing assembly 20 includes a fixing frame 21, a rotating wheel 22, a restoring member 23, and a drawing member 24. The mount 21 fixed mounting in on the main part 10, swiveling wheel 22 rotationally connect in mount 21, reset 23 connect in swiveling wheel 22 with between the mount 21, pull 24 connect in swiveling wheel 22 with between the centre gripping subassembly 30. Wherein the rotator 22 is mounted at the middle of the body 10, the rotator 22 can rotate relative to the body 10, and the rotator 22 is used for receiving the pulling member 24 to adapt the pulling member 24 to the movement of the clamping assembly 30. When the external force acts on the clamping assembly 30 to move the clamping assembly 30 in the direction away from the traction assembly 20, the reset piece 23 is used for generating a pulling force on the clamping assembly 30 through the traction piece 24, so that after the external force is cancelled, the clamping assembly 30 moves in the direction of the traction assembly 20 under the action of the pulling force, and can reset to the position where the external force does not exist, and the hub device is convenient to detach and mount on a wheel. In this embodiment, the central axis of the positioning through hole 1200 coincides with the central axis of the pulling assembly 20, and here, the coincidence of the two central axes means that the pulling assembly aligns with the center of the hub to ensure that the positioning hole aligns with the center of the hub, that is, the central axis of the positioning through hole 1200, the central axis of the pulling assembly 20, and the central axis of the hub coincide. It will be appreciated that the coincidence of the three central axes, or two of the three central axes, described herein does not require that they coincide exactly, allowing for some error, i.e. the central axes may deviate by some angle, as long as the accuracy of the calculated calibration of the vehicle calibration device is not affected. Alternatively, the three central axes may deviate by an angle, which is compensated by other means, such as an algorithm of calibration calculation, and the like, and the coincidence of the central axes described in this application includes the above cases.

Referring to fig. 6 to 8, the fixing frame 21 includes a first fixing frame 210 and a second fixing frame 212, the first fixing frame 210 is fixedly installed on the base plate 120, and the second fixing frame 212 is connected to the first fixing frame 210. The first fixing frame 210 includes a first substrate 2100 and two positioning pillars 2102, the first substrate 2100 is fixed on the bottom plate 120, the two positioning pillars 2102 extend from the first substrate 2100 toward the second fixing frame 212, and the two positioning pillars 2102 are symmetrical with respect to the central axis X. The second fixing frame 212 includes a second base plate 2120 and two support plates 2122, one end of each of the two support plates 2122 is connected to the second base plate 2120, and the other end of each of the two support plates 2122 is connected to the first fixing frame 210. An installation space is arranged between the first substrate 2100 and the second substrate 2120, the rotating wheel 22 and the reset piece 23 are arranged in the installation space, and one end of the traction piece 24 extends from the rotating wheel 22 to the outside of the installation space. It is understood that the number of the brackets 2122 can be increased or decreased according to the actual situation, for example, one or three brackets can be provided, and it is only necessary to make the number of the brackets 2122 be at least one. It is understood that in some other embodiments, the positions of the first mount 210 and the second mount 212 can be interchanged, for example, the second base 2120 of the second mount 212 is mounted on the base plate 120, and the first mount 210 is mounted on the two brackets 2122.

The rotating wheel 22 includes a pulley 220 and two rotating shafts 222, the two rotating shafts are respectively connected to two ends of the pulley 220, and the axis of the pulley 220 and the axis of the two rotating shafts 222 are both coincident with the central axis X. The rotating shafts 222 are stepped shafts, each of the rotating shafts 222 includes a first shaft portion 2220 and a second shaft portion 2222, and the diameter of the first shaft portion 2220 is larger than the diameter of the second shaft portion 2222. The first shaft portion 2220 of each of the rotating shafts 222 is fixedly mounted to the inner hole of the pulley 220, and the second shaft portion 2222 of each of the rotating shafts 222 extends from the first shaft portion 2220 thereof in a direction away from the pulley 220. The second shaft portion 2222 of one of the rotating shafts 222 is rotatably connected to the first fixing frame 210, the second shaft portion 2222 of the other rotating shaft 222 is rotatably connected to the second fixing frame 212, and the two rotating shafts 222 can drive the pulley 220 to rotate relative to the fixing frame 21. One of the rotation shafts 222 is further provided with an extension shaft portion 2224, and the extension shaft portion 2224 extends from the second shaft portion 2222 of one of the rotation shafts 222 in a direction away from the first shaft portion 2220 thereof. In this embodiment, one of the rotating shafts 222 provided with the extension shaft portions 2224 is connected to the first holder 210, and the extension shaft portions 2224 pass through the first base plate 2100, and in some other embodiments, one of the rotating shafts 222 provided with the extension shaft portions 2224 may also be connected to the second holder 212, and the extension shaft portions 2224 pass through the second base plate 2120. It is understood that the pulley 220 may be cylindrical, elliptical, etc. in shape, as long as the rotatable wheel 22 has rotational characteristics. Preferably, the pulley 220 is cylindrical.

Reset 23 elastic bit, when swiveling wheel 22 received external force and rotates, reset 23 produce deformation in order to generate right pull 24, the external force release back that swiveling wheel 22 received, reset 23 and resume deformation so that pull 24 and accept back swiveling wheel 22. The number of the reset members 23 is two, the two reset members 23 are respectively sleeved on the second shaft portions 2222 of the two rotating shafts 222, and each reset member 23 corresponds to one rotating shaft 222. One end of each of the reset pieces 23 is fixedly connected to the first shaft portion 2220 of the corresponding one of the rotating shafts 222, the other end of one of the reset pieces 23 is fixedly connected to the first fixing frame 210, and the other end of the other reset piece 23 is fixedly connected to the second fixing frame 212. In this embodiment, the piece that resets 23 is the torsional spring, two the torsional spring is located respectively the both ends of swiveling wheel 22 can be right the both ends of swiveling wheel 22 exert pulling force simultaneously, in order to guarantee swiveling wheel 22's atress is balanced. It will be appreciated that in some other embodiments, the return element 23 may also be a spring, or other elastic element that can apply a pulling force. It can be understood that the number of the reset members 23 can also be increased or decreased according to actual requirements, such as one, three, etc., only the reset members 23 are required to apply tension to the rotating wheel 22.

The number of the traction pieces 24 is two, one end of each of the two traction pieces 24 is fixedly connected to the belt wheel 220, and the two traction pieces 24 can be wound and accommodated on the belt wheel 220 together. Preferably, the connection points of the two traction elements 24 to the pulley 220 are located on a diameter of the pulley 220. The other end of each of the pulling members 24 is connected to a corresponding one of the clamping assemblies 30. The pulling member 24 may be a strong cloth belt, a steel wire rope, or other solid wires wound around the pulley 220, and the pulling member 24 may be elastic or inelastic. The length of the traction element 24 may be adapted to the maximum tire radius, or the length of the traction element 24 may be determined as desired. In this embodiment, the pulling element 24 is a cloth belt, one end of which is fixed and tied to the outer wall of the pulley 220, and the other end of which is connected to the clamping assembly 30. When the rotor wheel 22 is rotated in a first direction, both traction members 24 are synchronously disengaged from the pulley 220; when the rotating wheel 22 rotates in the second direction, the two pulling members 24 are wound around the pulley 220 synchronously, and each pulling member 24 pulls the corresponding one of the clamping assemblies 30 to move towards the central axis X, so that the movement of the two clamping assemblies 30 relative to the pulling assembly 20 is synchronous. The second direction is opposite to the first direction, for example, the first direction is clockwise, the second direction is counterclockwise, or the first direction is counterclockwise and the second direction is clockwise.

Specifically, when an external force is applied to the jaw assembly 30 and moves it in a direction away from the rotator wheel 22, the rotator wheel 22 rotates in a first direction relative to the body 10 to release the pulling member 24 while compressing the restoring member 23; when the clamping assembly 300 is not acted by external force, the reset piece 23 restores the deformation to drive the rotating wheel 22 to rotate along the second direction, and the rotating wheel 22 is wound on the traction piece 24 to pull the clamping assembly 30 to move towards the rotating wheel 22.

It should be noted that, in some other embodiments, the fixing frame 21 may be omitted, the two rotating shafts 222 of the rotating wheel 22 may be directly and rotatably connected to the main body 10, and the two ends of the reset member 23 are connected to the rotating wheel 22 and the main body 10, respectively.

In some embodiments, the pulling assembly 20 further includes two fixed pulleys 25, the two fixed pulleys 25 are respectively mounted on the first fixing frame 210, and each fixed pulley 25 is sleeved on a corresponding one of the positioning pillars 2102. Every fixed pulley 25 respectively with one that corresponds draw the middle part butt of piece 24, every draw a 24 around locating a corresponding fixed pulley 25, so that two draw a 24 and deviate from the one end of swiveling wheel 22 is located same straight line, avoids draw a 24 to deviate from the one end of swiveling wheel 22 directly by the tangential direction of swiveling wheel 22 directly draws forth and is connected to centre gripping subassembly 30.

Referring to fig. 5 and 9, the clamping members 30 are rotatably connected to the main body 10, two of the clamping members 30 are respectively disposed at two sides of the base 11, and two of the clamping members 30 are respectively rotatable with respect to the main body 10.

The clamping assembly 30 includes a connecting rod 31 and a clamping rod 32, and one end of the connecting rod 31 and one end of the clamping rod 32 are rotatably connected. The other end of the connecting rod 31 passes through the mounting groove 1220 to be connected to the base 11, the connecting rod 31 is rotatably connected to the supporting rod rotating shaft 114, and the connecting rod 31 can rotate around the axis of the supporting rod rotating shaft 114 relative to the main body 10, so as to drive the clamping rod 32 to rotate. The rotation range of the connecting rod 31 is limited by two side walls of the supporting portion 112, and the connecting rod 31 cannot rotate continuously when the supporting portion 112 abuts on the connecting rod 31, and preferably, the rotation angle range of the connecting rod 31 does not exceed 90 degrees. The other end of the clamping rod 32 is provided with a hook-shaped clamping jaw which is used for clamping a tire. The connecting rod 31 with be the acute angle when pulling the subassembly and accept when the swiveling wheel between the clamping rod 32, so that the clamping rod 32 for when connecting rod 31 rotates, two clamping rod 32 the clamping jaw can extend relatively.

The middle portion of the connecting rod 31 is connected to the pulling assembly 20, and the pulling assembly 20 can apply a pulling force to the connecting rod 31 to rotate the clamping assembly 30 relative to the main body 10. Specifically, the connecting rod 31 of each of the clamping assemblies 30 is connected with a corresponding one of the pulling members 24. Exert external force in clamping bar 32 makes its extension, clamping bar 32 is towards deviating from pull the direction of subassembly 20 and remove, clamping bar 32 drives connecting rod 31 is towards keeping away from pull the direction of subassembly 20 and rotate, pull a 24 pulling swiveling wheel 22 and rotate, just reset 23 is compressed, will main part 10 butt when the tire is held to wheel hub and clamping jaw, remove external force and make reset 23 resumes deformation, for swiveling wheel 22 provides reverse turning force, if this reverse turning force is big enough, reset 23 accessible pull a 24 connecting rod 31 orientation pull the direction of subassembly 20 and rotate, connecting rod 31 drives clamping assembly 30 moves towards the direction of swiveling wheel 22 to the clamping jaw chucking is on the tire.

It will be appreciated that in some other embodiments, the clamping assembly 30 may be other mechanisms, for example, a fixed member and a sliding member engaged with the fixed member, the fixed member may guide the sliding member to move relative to the fixed member, the fixed member is fixed to the body 10, one end of the sliding member is connected to the traction member 24, the other end of the sliding member is provided with a clamping jaw, and the traction assembly 20 may pull the sliding member to move relative to the traction member 24, so that the clamping jaw of the sliding member clamps the tire. The fixed part and the sliding part can be a guide rail and a sliding block respectively, or can be a fixed sleeve and a sliding rod respectively, or can be other sliding mechanisms.

The clamping assembly 30 further comprises a handle 33, wherein the handle 33 is disposed on the clamping rod 32, and is convenient for a user to hold so as to apply an external force to the clamping assembly 30. In this embodiment, the handle 33 is a rubber sleeve sleeved on the clamping rod 32, and the rubber sleeve is made of flexible materials such as plastic and rubber, so that a user can hold the gift more comfortably. It will be appreciated that in some other embodiments, the handle 33 may be a protrusion structure provided on the holding rod 32, or the handle 33 may be a semi-ring structure, and both ends of the handle 33 of the semi-ring structure are respectively connected to the holding rod 32, so that a user can conveniently apply an external force through the handle 33.

Referring to fig. 10 to 12, the hub clamping device 100 further includes a locking device, the locking device includes a locking rod 40 and a brake module engaged with the locking rod, the locking rod 40 is connected between the rotating wheel 22 and the brake module, and the brake module is disposed on the main body 10. When external force pulling pull piece 24 is in order to drive swiveling wheel 22 rotates, locking lever 40 follows the swiveling wheel rotates, works as when centre gripping subassembly 30 centre gripping is in the tire, locking lever 40 receives external force to follow swiveling wheel pivoted opposite direction rotates extremely braking module position, braking module restriction locking lever 40's displacement, so that pull piece 24 is taut centre gripping subassembly 30, and then makes centre gripping subassembly 30 presss from both sides the tire. Alternatively, the pulling member 24 may be made of an elastic material that flexibly accommodates the counter-rotation of the locking bar 40 to provide elastic tension to tighten the clamping assembly 30.

Optionally, the number of the brake modules is two or more, for example, the number of the brake modules is two, the brake modules are located in a space through which the locking rod 40 passes, and the two brake modules are located at different positions in the space, so that when the locking rod 40 rotates to two different positions, different locking forces are applied to the rotating wheel 22, and therefore the device can be applied to tires of different sizes, and the brake modules matched with the locking rod 40 are determined. A communication mechanism is further arranged between two or more brake modules, so that the locking rod 40 can rotate to the brake modules at different positions through the communication mechanism.

Wherein the brake module is the card slot 1224 of the housing 12, and the communication mechanism is the communication slot 1222 of the housing 12. The communication groove 1222 is formed along a circumferential direction of the housing 12, so that the lock lever 40 is rotatable around a central axis of the rotation wheel 22 in the communication groove 1222. The communication groove 1222 is communicated with the catching groove 1224, as shown in the figure, the catching groove 1224 is deeper than the communication groove 1222, wherein the catching groove 1224 and the communication groove 1222 are deeper than the communication groove 1222, and the depth direction of the catching groove 1224 and the communication groove 1222 is the axial direction of the housing 12, so that the locking lever 40 can move into the catching groove 1224 by an external force when moving in the communication groove 1222, and further the depth wall of the catching groove 1224 limits the displacement of the locking lever 40, thereby realizing the locking of the locking lever 40 to the brake module. Alternatively, the brake module further includes the latching block 1226 disposed between the latching groove 1224 and the communication groove 1222, and the latching block 1226 may be used to restrain the lock rod within the latching groove 1224.

Optionally, in order to make the locking lever 40 better fit with the brake module or make the movement of the locking lever 40 more flexible, the locking lever 40 includes a fixing lever 41 and a handle 42, the fixing lever 41 is connected with the handle 42 through the hinge 43, the handle 42 can rotate relative to the fixing lever 41, so that the angle between the handle 42 and the fixing lever 41 can be adjusted, and the handle 42 can be moved to the slot 1224 more easily under the action of external force. One end of the fixing lever 41 is fixedly connected to the extending shaft 2224 of one of the rotating shafts 222, and the other end of the fixing lever 41 is connected to the hinge 43. One end of the handle 42 is connected to the hinge 43, the handle 42 passes through the communication slot 1222, so as to provide a hand-held portion for a user, when the rotation wheel 22 rotates, the handle 42 can rotate along with the rotation wheel 22 under the driving of the fixing rod 41, and the handle 42 can also move reversely by an external force applied reversely until being clamped in the clamping slot 1224.

For example, when the clamping assembly 30 is applied with an external force to pull the rotation wheel 22 to rotate clockwise, the rotation wheel 22 drives the locking lever 40 to rotate clockwise in the communication groove 1222, wherein the circumferential arc length of the communication groove 1222 can be determined based on the tire size, such as the length thereof can be suitable for the maximum tire size, or the length thereof can be set to be long enough not to obstruct the arc rotation of the communication groove 1222; after the clamping assembly 30 is clamped on the tire, an external force is applied to the locking lever 40 to make it rotate in the communication groove 1222 in the counterclockwise direction, which can reversely drive the rotation wheel 22 to slightly rotate counterclockwise to tighten the traction member 24, thereby tightening the clamping assembly 30 and further making the clamping assembly 30 clamp the tire; when the lock lever 40 is rotated to the position of the catch 1224, the handle 42 is pressed into the catch 1224 such that the lock lever 40 is captured within the catch 1224, thereby locking the rotation wheel 22. Specifically, as shown in fig. 11, the locking lever 40 is located in the communication groove 1222, and the rotation wheel 22 is not locked; as shown in fig. 12, the locking lever 40 is located in a slot 1224 and is engaged with the locking block 1226, and the rotation wheel 22 is locked. The locking of the rotator wheel 22 further enhances the stability of the hub clamping device on the wheel, keeps the relative position unchanged, and thus can accurately position the mounting module.

It should be noted that the locking rod 40 and the brake module included in the locking device further include other matching manners, for example, the implementation of the locking rod is not limited to the above-mentioned rod-shaped structure, the brake module may be disposed on the inner wall or the outer wall of the housing instead of the communication groove disposed on the housing, and the locking rod and the brake module only need to provide the tension for reversely braking the rotation of the rotating wheel so as to enable the clamping assembly to clamp the tire.

Referring to fig. 12 to 14, the hub clamping device 100 further includes a stretching assembly 50, the stretching assembly 50 is disposed between the clamping assembly 30 and the pulling assembly 20, the stretching assembly 50 has elasticity, when the locking rod 40 is driven by an external force to rotate the rotating wheel 22, the stretching assembly 50 provides an elastic force, so that the clamping assembly 30 clamps the tire and prevents the pulling member from being damaged easily due to an excessive reverse pulling force.

The number of the stretching assemblies 50 is two, and each stretching assembly 50 is respectively connected between a corresponding one of the traction members 24 and a corresponding one of the clamping assemblies 30. Each stretching assembly 50 comprises an elastic piece 51, a push rod 52, a sleeve 53 and a pressing block 54, wherein the elastic piece 51 is sleeved on the push rod 52, the elastic piece 51 and the push rod 52 are contained in the sleeve 53, and one end of the pressing block 54 is connected with the sleeve 53. Wherein the elastic member 51 may be a spring.

The push rods 52 are stepped shafts, a shaft shoulder is arranged between the large end and the small end of each push rod 52, and the small end of each push rod 52 extends out of the casing 53 towards the direction of the traction assembly 20 and is connected with the corresponding traction piece 24. The cover shell 53 is hollow, the inside of cover shell 53 is equipped with the shoulder hole, the shoulder hole includes big footpath hole and path hole, big footpath hole with be equipped with the ladder face between the path hole. The elastic component 51 cover is located the tip of push rod 52 and accept in the major diameter hole of cover 53, the both ends of elastic component 51 respectively the butt in push rod 52 the shaft shoulder with in the cover 53 the ladder face works as draw 24 pulling the push rod 52 orientation when the direction of swiveling wheel 22 is removed, elastic component 51 is compressed. Preferably, the diameter of the large end of the push rod 52 is larger than the diameter of the small diameter hole of the casing 53, so as to avoid the push rod 52 from being completely stretched out of the casing 53 by the pulling element 24.

The pressing block 54 is also a stepped shaft, the small end of the pressing block 54 is arranged in the casing 53, the shaft shoulder of the pressing block 54 is abutted against one end of the casing 53, and the large end of each pressing block 54 is rotatably connected to the corresponding connecting rod 31. The pressing block 54 is disposed at an end of the casing 53 away from the pulling assembly 20 to limit a stroke range of the push rod 52, so as to prevent the push rod 52 from being separated from the casing 53 in a direction away from the pulling assembly 20. It will be appreciated that in some embodiments, the pressure piece 54 may be omitted, and the end of the jacket 53 facing away from the pulling assembly 20 is directly connected to the connecting rod 31 of the clamping assembly 30.

For example, when the clamping assembly 30 is clamped on a tire, an external force is applied to the locking lever 40 to rotate the locking lever 40 in a counterclockwise direction, the locking lever 40 drives the rotating wheel 22 to rotate, the pulling member 24 pulls the pushing rod 52 to move towards the rotating wheel 22, the elastic member 51 is compressed to apply an elastic force to the sleeve 53, so that the clamping assembly 30 connected to the sleeve 53 is pulled towards the rotating wheel 22, and the clamping assembly 30 is further tensioned. The stretching assembly 50 is arranged to enable the locking lever 40 to rotate with more displacement so as to reach the corresponding positions of different brake modules, thereby adjusting the clamping force of the clamping assembly 30 on the tire.

In the above example, when the number of the brake modules is two or more, the locking lever 40 may be engaged with the first brake module that it reaches when it rotates counterclockwise, or with the other brake modules that it reaches thereafter according to the requirement of the clamping force.

It is understood that in some other embodiments, the stretching assembly 50 may have other structures, for example, only one elastic element, which may be a spring, an elastic string, etc., and both ends of the elastic element are connected to the pulling member 24 and the clamping assembly 30, respectively, or other structures having elastic force may be provided, which is not limited herein.

Compared with the prior art, in the embodiment of the present invention, one end of each of the two pulling members 24 is connected to the rotating wheel 22, the other end of each of the two pulling members 24 is connected to a corresponding one of the clamping assemblies 30 through a corresponding one of the stretching assemblies 50, the rotating wheel 22 rotates to make the displacement amount of the two clamping assemblies 30 the same, and when the two clamping assemblies 30 are clamped on a diameter of a tire, the central axis X exactly coincides with the central axis of the hub, so that the hub clamping device 100 and the hub can be accurately positioned, and the installation operation process between the hub clamping device 100 and the tire is simple and fast.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; 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 the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A hub clamping device, comprising:

2. The hub gripping apparatus of claim 1, wherein the pulling assembly is located in a middle portion of the body, the pulling assembly including a rotating wheel, a pulling member, and a reset member;

the rotating wheel is rotatably connected to the main body;

3. The hub clamping device of claim 2 wherein one end of said pulling member is connected to said clamping assembly and the other end of said pulling member is wrapped around and secured to said rotatable wheel.

4. The hub clamping device of claim 3 wherein the number of said reset members is two, and two of said reset members are disposed at opposite ends of said rotator wheel.

5. The hub clamping device of claim 4, wherein the reset member is elastic and is mounted on the rotating wheel, when the rotating wheel rotates under an external force, the reset member deforms to generate a pulling force on the traction member, and after the external force is released, the reset member recovers deformation to enable the traction member to be accommodated in the rotating wheel.

6. The hub clamping device of claim 4, wherein the reset member is a torsion spring, and two ends of the torsion spring are respectively connected to the main body and the rotating wheel.

7. The hub clamping device of claim 2 wherein said pulling assembly further comprises a mount, said mount being secured to said body;

8. The hub clamping device of claim 7 wherein said mounting bracket is provided with two locating posts;

9. The hub clamping device of claim 2 wherein said clamping assembly is pivotable relative to said body.

10. The hub clamp apparatus of claim 9, wherein the clamp assembly includes a connecting rod pivotally mounted to the body and a clamp bar pivotally connected to the connecting rod;

11. The hub clamp apparatus of claim 10, wherein the clamp assembly further comprises a handle disposed on the clamp bar, the handle being pulled externally to provide the external force.

12. The hub clamping device of any one of claims 2 to 11, further comprising a locking assembly;

13. The hub clamping device of claim 12, wherein the locking device comprises a locking lever and a brake module engaged with the locking lever, the locking lever is fixedly connected with the rotating wheel, and the brake module is disposed on the main body;

14. The hub clamp apparatus of claim 13, further comprising a tension assembly disposed between the clamp assembly and the traction member;

15. The hub clamping device of claim 14 wherein each said tension assembly includes an elastic member, a push rod and a sleeve;

16. The hub clamping device of claim 15 wherein said tension assembly further comprises a pressure block;

17. The hub clamping device of claim 14 wherein said body includes a shell and a base, said shell being connected to said base;

18. The hub clamping device of claim 17 wherein said number of brake modules is at least two and at least two of said brake modules are located at different positions through which said locking lever rotates in a direction opposite to the direction of rotation of said rotatable wheel such that said tension assembly provides different spring forces.

19. The hub clamping device as claimed in claim 18, wherein the brake module is a slot, and a communication mechanism is provided between the slots at different positions, so that the locking lever can be rotated to the positions of the slots at different positions by the communication mechanism.

20. The hub clamping device of claim 19 wherein the communication means is a communication slot communicating with the snap slot, the lock lever passing through the communication slot, the lock lever being rotatable within the communication slot;

21. The hub clamping device of claim 17 wherein the housing and the base define a concave cavity open at one side, the pulling assembly being received in the concave cavity;

22. The hub clamping device of claim 21 wherein said bottom surface of said housing is symmetrically shaped, said mounting module being mounted in the center of said bottom surface.

23. A hub clamping device according to claim 22, wherein an abutment seat is provided at an end of the housing facing away from the bottom surface for abutment against an end surface of the hub when the clamping assembly is clamping a tire.

24. The hub clamping device of claim 23 wherein said base is made of an elastomeric material.