CN216607904U

CN216607904U - Wheel hub diskless locking system of tire changer

Info

Publication number: CN216607904U
Application number: CN202122202780.6U
Authority: CN
Inventors: 李书东; 王旗铮
Original assignee: Yingkou Jiean Technology Co ltd
Current assignee: Yingkou Jiean Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-05-27
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to a diskless locking system of a hub of a tyre puller, which comprises a driving shaft, a lead screw assembly body and a long fixing shaft driven by the driving shaft to rotate; the top end of the long fixed shaft is provided with an opening and forms a central hole in the axial direction, and a pair of pin shafts are arranged in the central hole in parallel and perpendicular to the axis of the central hole; the lead screw assembly body comprises a locking lead screw which is provided with a sliding section and a thread section from bottom to top, a locking cone is sleeved outside the sliding section of the locking lead screw, and the locking lead screw forms a flat clamping head which can be embedded between the pair of pin shafts below the sliding section. The utility model meets the requirement of the tire demounting and mounting machine for locking the wheel hub in the process of demounting and mounting tires of various sizes, reduces the cost in the locking process and improves the working efficiency in the locking process.

Description

Wheel hub diskless locking system of tire changer

Technical Field

The utility model relates to a diskless locking system for a wheel hub of a tire changer, belonging to the field of vehicle tire maintenance equipment.

Background

The tire fixing device of the traditional tire mounting and dismounting machine adopts a working disc device, the working range is limited, the accumulated tolerance is large, the structure is complex, the processing is complicated, the repair of tires of various sizes is finished, more than two machines are prepared, the running cost is high, in addition, in recent years, although the disk-free locking technology is provided, the defect that the locking of the working disc cannot be really filled due to the design limitation because a common disk-free locking mechanism is not convenient and quick to use in practical application is overcome, and the large disk type tire mounting and dismounting machine also exists in the prior art, but the pneumatic locking device is adopted, the structure is complex, the cost is high, and the maintenance is difficult.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a diskless hub locking system of a tire changer, which meets the requirement of the tire changer on hub locking in the process of dismounting and mounting tires of various sizes, reduces the cost in the locking process and improves the working efficiency in the locking process.

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

the utility model provides a diskless locking system of a tyre puller hub, which comprises a driving shaft, a lead screw assembly and a long fixing shaft driven by the driving shaft to rotate, wherein the lead screw assembly is arranged on the driving shaft; the top end of the long fixed shaft is opened and axially forms a central hole, a pair of pin shafts are arranged in the central hole in parallel and perpendicular to the axis of the central hole, and two ends of each pin shaft are embedded into the long fixed shaft forming the central hole;

the lead screw assembly comprises a locking lead screw provided with a sliding section and a thread section from bottom to top, a locking cone is sleeved outside the sliding section of the locking lead screw, the locking lead screw forms a flat chuck capable of being embedded between the pair of pin shafts below the sliding section, an arc part adaptive to the shape of the pin shafts is formed at the joint between the flat chuck and the sliding section, and the arc part is embedded with the pin shafts at two sides after the flat chuck is embedded between the pair of pin shafts and rotates for 90 degrees;

the screw thread section is equipped with quick nut cover, and quick nut cover has nut tooth and nut spanner, rotates nut spanner can make quick nut cover pass through the nut tooth and remove and conflict locking cone in the screw thread section.

As the preferable scheme of the utility model, the driving shaft is the turbine box output shaft which is a groove shaft, and the turbine box is used as a power source for driving the long fixing shaft to rotate, so that the tire changer can be combined with the power type commonly used by tire removers, and the practicability of the tire changer is improved.

As a preferable scheme of the utility model, the long fixing shaft is arranged on the turbine box through a shaft seat, the shaft seat is assembled on the turbine box through a bolt fixing disc at the bottom of the shaft seat, and the shaft seat is provided with a shaft hole and a shaft sleeve for assembling the long fixing shaft.

As a preferable scheme of the present invention, the quick nut sleeve is gap-assembled outside the threaded section, and the quick nut sleeve has a notch for assembling the nut teeth, and the nut teeth are mounted at the notch by a fixing pin, and the quick nut sleeve further mounts the nut runner by a rotating pin.

As a preferred scheme of the utility model, the top of the long fixed shaft is coaxially provided with an unsealed plastic disc with an arc-shaped port along the central hole thereof, a limiting shaft is embedded between the arc-shaped ports of the unsealed plastic disc through a bolt, and the locking cone is provided with a abdicating groove corresponding to the limiting shaft.

The utility model has the beneficial effects that:

firstly, the utility model has simple structure and convenient operation, and only needs to use the locking screw rod to pass through the central hole of the hub and penetrate into the central hole of the long fixed shaft, so that the central hole of the hub is locked by the locking cone, the hub is fixed at the upper end of the long fixed shaft, the long fixed shaft is driven to rotate by the driving shaft, the hub is rotated, and the disassembly and assembly process of the tire is convenient.

And the hub is locked through the central hole of the hub, so that the hub is wide in model adaptability, the mechanical structure is adopted for transmission, the design is simple and clear, no fault occurs, the hub dismounting cost is effectively reduced, and the hub dismounting efficiency is improved.

Drawings

Fig. 1 is an exploded view of a diskless locking system of a hub of a tyre changer.

Fig. 2 is an assembled structural view of the turbine case of fig. 1.

Fig. 3 is a front view of the long stationary shaft of the present invention.

Fig. 4 is a schematic diagram of the position of the pin shaft in the present invention.

Fig. 5 is a top view of the elongated stationary shaft of fig. 3.

Fig. 6 is a front view of the screw assembly.

Fig. 7 is a schematic structural view of the quick nut sleeve.

The labels in the figure are:

1. a turbine box 101, a driving shaft;

2. a shaft seat 201, a bolt fixing disc 202, shaft holes 203 and a shaft sleeve;

3. the device comprises a long fixed shaft 301, a central hole 302, a pin shaft 303, a plastic disc 304, an arc-shaped port 305 and a limiting shaft;

4. the nut comprises a screw assembly body, a locking screw, a locking cone, a flat chuck, an arc-shaped part, a quick nut sleeve, a nut tooth, a nut wrench, a notch, a recess 409 and a abdicating groove, wherein the screw assembly body is 401, the locking screw is 402, the locking cone is 403, the flat chuck is 404, the arc-shaped part is 405, the quick nut sleeve is 406.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

As shown in fig. 1-7, the diskless locking system for a hub of a tire remover comprises a driving shaft 101, a lead screw assembly 4 and a long fixed shaft 3 driven by the driving shaft 101 to rotate; the top end of the long fixed shaft 3 is opened and axially forms a central hole 301, a pair of pin shafts 302 are arranged in the central hole 301 in parallel and perpendicular to the axis of the central hole 301, and two ends of each pin shaft 302 are embedded in the long fixed shaft 3 forming the central hole 301;

the screw assembly body 4 comprises a locking screw 401 provided with a sliding section and a threaded section from bottom to top, a locking cone 402 is sleeved outside the sliding section of the locking screw 401, a flat clamping head 403 capable of being embedded between the pair of pin shafts 302 is formed below the sliding section of the locking screw 401, an arc-shaped part 404 matched with the pin shafts 302 in shape is formed at the connecting part between the flat clamping head 403 and the sliding section, and the arc-shaped part 404 is embedded between the pair of pin shafts 302 after the flat clamping head 403 is embedded between the pair of pin shafts 302 and rotates for 90 degrees and then is embedded with the pin shafts 302 at two sides;

the threaded section is fitted with a quick nut socket 405 and the quick nut socket 405 has nut threads 406 and a nut runner 407, turning the nut runner 407 causes the quick nut socket 405 to move in the threaded section via the nut threads 406 and to abut against the locking cone 402.

As shown in fig. 1 and 2, in the present embodiment, the driving shaft 101 is an output shaft of the turbine box 1, the output shaft is a groove shaft, and correspondingly, the bottom of the long fixed shaft 3 is a rectangular end embedded in the groove shaft, in the present embodiment, the turbine box 1 is used as a power source for driving the long fixed shaft 3 to rotate, so that the present invention can be combined with a power type commonly used by a tire removing machine, and the practicability of the present invention is improved.

Referring to fig. 1 and 2, the long fixing shaft 3 is mounted on the turbine box 1 through a shaft seat 2, the shaft seat 2 is mounted on the turbine box 1 through a bolt fixing plate 201 at the bottom of the shaft seat 2, and the shaft seat 2 is provided with a shaft hole 202 and a shaft sleeve 203 for mounting the long fixing shaft 3. As shown in FIG. 2, the long fixing shaft 3 can be flange-mounted on the top of the shaft seat 2

Referring to fig. 6 and 7, in the present embodiment, the quick nut sleeve 405 is gap-assembled on the outer side of the threaded section, the quick nut sleeve 405 has a notch 408 for assembling the nut teeth 406, the nut teeth 406 are installed at the notch 408 through a fixing pin, and the quick nut sleeve 405 further installs the nut wrench 407 through a rotating pin.

Referring to fig. 3 to 5, an unsealed plastic disc 303 with an arc-shaped port 304 is coaxially assembled on the top of the long fixing shaft 3 along a central hole 301 thereof, a limiting shaft 305 is embedded between the arc-shaped ports 304 of the unsealed plastic disc 303 through bolts, the locking cone 402 has a relief groove 409 corresponding to the limiting shaft 305, and by matching the limiting shaft 305 with the locking cone 402, axial limiting is provided when the locking cone 402 locks the central hole of the hub, and meanwhile, the plastic disc 303 is beneficial to reducing damage to the surface of the hub.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A diskless locking system of a tyre changer hub comprises a driving shaft, and is characterized by also comprising a lead screw assembly and a long fixing shaft driven by the driving shaft to rotate; the top end of the long fixed shaft is opened and axially forms a central hole, a pair of pin shafts are arranged in the central hole in parallel and perpendicular to the axis of the central hole, and two ends of each pin shaft are embedded into the long fixed shaft forming the central hole;

the lead screw assembly comprises a locking lead screw with a sliding section and a threaded section from bottom to top, a locking cone is sleeved outside the sliding section of the locking lead screw, the locking lead screw forms a flat chuck capable of being embedded between the pair of pin shafts below the sliding section, an arc part adaptive to the shape of the pin shaft is formed at the joint between the flat chuck and the sliding section, and the arc part is embedded between the pair of pin shafts when the flat chuck is embedded between the pair of pin shafts and rotates 90 degrees and then is embedded with the pin shafts on two sides;

2. A diskless locking system for a hub of a tyre changer as claimed in claim 1, wherein said driving shaft is a turbine box output shaft, and said output shaft is a grooved shaft.

3. The diskless locking system of a hub of a tire remover as claimed in claim 1, wherein said long fixing shaft is mounted on the turbine box through a shaft seat, said shaft seat is fixed on the turbine box through a bolt at the bottom of the shaft seat, and the shaft seat has a shaft hole and a shaft sleeve for mounting the long fixing shaft.

4. The diskless locking system for a hub of a tire changer according to claim 1, wherein the quick nut sleeve is gap-fitted to the outside of the threaded section, the quick nut sleeve has a notch for fitting the nut teeth, the nut teeth are mounted in the notch by a fixing pin, and the quick nut sleeve further mounts the nut wrench by a rotating pin.

5. The diskless locking system of a hub of a tire changer according to claim 1, wherein a non-closed plastic disk with an arc-shaped port is coaxially assembled on the top of the long fixing shaft along a central hole of the long fixing shaft, a limiting shaft is embedded between the arc-shaped ports of the non-closed plastic disk through a bolt, and the locking cone is provided with a relief groove corresponding to the limiting shaft.