CN115027083A

CN115027083A - Non-pneumatic tyre retreading device

Info

Publication number: CN115027083A
Application number: CN202210745377.4A
Authority: CN
Inventors: 徐婷; 孙猛; 钟浩龙
Original assignee: Ji Hua Laboratory
Current assignee: Ji Hua Laboratory
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-09-09
Anticipated expiration: 2042-06-29
Also published as: CN115027083B

Abstract

The utility model relates to a non-pneumatic tire technical field especially relates to a non-pneumatic tire retreading device, including a plurality of connecting rods, the inboard at the tire is worn to establish by the connecting rod, and the both ends symmetry that the connecting rod stretches out the tire sets up two mounting panels and two locating plates, and the mounting panel can be followed the connecting rod and removed, is equipped with a plurality of springs between locating plate and the mounting panel, connects through a plurality of screws between locating plate and the mounting panel. Through adjusting screw, the locating plate can be followed the length direction removal of connecting rod, and then makes the both sides of locating plate butt tire tread, realizes the centering function. The limit portion of tire is equipped with a plurality of clamping rings, and one side of clamping ring butt encapsulation cover still is equipped with the adjusting device who is connected with the clamping ring on the mounting panel, and adjusting device is used for controlling the clamping ring and removes, and the left and right sides of the fixed encapsulation cover of a plurality of clamping rings realizes sealed function. The tire tread fitting and sealing device can be used in two processes of tire tread fitting and sealing in the retreading process of a non-pneumatic tire, and has multiple functions and reduced cost.

Description

Non-pneumatic tyre retreading device

Technical Field

The present disclosure relates to the field of non-pneumatic tire technology, and more particularly, to a non-pneumatic tire retreading device.

Background

Non-pneumatic tires have been increasingly frequently brought into the field of vision as one of the most important future development directions for tires. The non-pneumatic tire generally adopts a processing mode of integrally forming a supporting body spoke and a hub. A great advantage of non-pneumatic tires over pneumatic tires is that they have a longer life span, and the tread can be retreaded many times throughout its life cycle.

But current non-pneumatic tire retreading is also problematic. Firstly, the tread joint of the traditional pneumatic tire during retreading is generally centered by manual work through visual observation by experience, and the uniformity of the tread joint can not be completely ensured, so that the performance of the retreaded tire can not be ensured. In addition, the sealing device for retreading and vulcanizing the conventional pneumatic tire generally adopts an inner tire and an outer tire, and the sealing device cannot be applied to a non-pneumatic tire with a support body structure, particularly a non-pneumatic tire integrally formed with a hub.

Disclosure of Invention

In order to solve the above technical problem, the present disclosure provides a non-pneumatic tire retreading device.

The invention provides a non-pneumatic tire retreading device which comprises a plurality of connecting rods, wherein the connecting rods penetrate through the inner side of a tire along the circumferential direction of the tire, two mounting plates are symmetrically arranged at two ends of each connecting rod, which extend out of the tire, one side of each mounting plate, which is close to the tire, is connected with a positioning plate, and the mounting plates can move along the connecting rods;

the positioning plate and the mounting plate are both of annular structures, a plurality of springs are arranged between the positioning plate and the mounting plate and are circumferentially distributed, the positioning plate and the mounting plate are connected through a plurality of screw rods, and the screw rods are distributed along the circumferential direction of the positioning plate;

a plurality of compression rings are circumferentially distributed on the edge of the tire, each compression ring is of an arc-shaped structure, the compression rings abut against one side of the encapsulating sleeve, a plurality of adjusting devices are circumferentially distributed on the mounting plate, the adjusting devices are connected with the compression rings, and the adjusting devices are used for controlling the compression rings to move along the radial direction of the mounting plate.

Optionally, an inwardly recessed arc groove is formed in the mounting plate, a limiting hole is formed in the middle of the arc groove, a connecting bolt is arranged on one side of the pressing ring, and the connecting bolt penetrates through the limiting hole and is connected with the adjusting device.

Optionally, the adjusting device comprises a connecting block, one end of the connecting block is provided with an installation rod, and a shifting block is rotatably sleeved on the installation rod; the other end butt elastic component of connecting block, the bottom of the other end butt circular arc recess of elastic component.

Optionally, the shifting block is of a cross structure, a mounting hole is formed in the center of the cross structure, and the mounting rod penetrates through the mounting hole.

Optionally, a through hole is formed in the connecting block, the connecting bolt penetrates through the through hole, and a nut is connected to a part of the connecting bolt extending out of the through hole in a threaded manner.

Optionally, the outer side of the arc groove is covered with an installation cover, the shape of the installation cover is matched with the adjusting device, bolt holes are formed in four corners of the installation cover, and the installation cover is connected with the installation plate through bolts.

Optionally, the connecting rod is a threaded rod, and nuts are screwed at two ends of the connecting rod extending out of the mounting plate.

Optionally, the locating plate is provided with a plurality of arc-shaped grooves on the inner side thereof, and the press ring penetrates through the arc-shaped grooves to abut against one side of the encapsulating sleeve.

Optionally, the mounting cover is provided with an open slot adapted to the adjusting device.

Optionally, the plurality of pressure rings together form an annular structure.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the utility model provides a non-pneumatic tire retreading device, including a plurality of connecting rods, the connecting rod is worn to establish in the inboard of tire, and the both ends symmetry that the connecting rod stretches out the tire sets up two mounting panels, and one side that the mounting panel is close to the tire respectively is connected with a locating plate, locating plate and tire side butt, and the connecting rod removal can be followed to the mounting panel. Be equipped with a plurality of springs between locating plate and the mounting panel, connect through a plurality of screw rods between locating plate and the mounting panel, through adjusting screw, the locating plate can be followed the length direction removal of link, and then makes the both sides of locating plate butt tire tread, realizes the centering function.

A plurality of compression rings are circumferentially distributed on the edge of the tire, each compression ring is of an arc-shaped structure, one side of each compression ring abutted to the corresponding encapsulating sleeve is provided with an adjusting device, each adjusting device is connected with the corresponding compression ring, and each adjusting device is used for controlling the corresponding compression ring to move along the radial direction of the corresponding mounting plate. The left and right sides of encapsulation cover is fixed to a plurality of clamping rings for realize sealed function.

This openly through setting up connecting rod, spring, screw rod, locating plate and mounting panel, realized the centering function when laminating to non-pneumatic tire tread. Through setting up clamping ring and adjusting device, realized the sealed of envelope. The tire tread fitting and sealing device can be used in two processes of tire tread fitting and sealing in the process of retreading of non-pneumatic tires, and has multiple functions and reduced cost.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is an exploded view of a non-pneumatic tire retreading device in an illustrative embodiment of the present disclosure in use;

FIG. 2 is an exploded view of a non-pneumatic tire retreading device in an unused state in accordance with an embodiment of the present disclosure;

FIG. 3 is an exploded view of the locating plate and mounting plate according to the disclosed embodiment;

FIG. 4 is an overall view of the mounting plate according to the embodiment of the disclosure;

FIG. 5 is an enlarged view of a portion A-A of FIG. 4;

fig. 6 is a partial enlarged view of B-B in fig. 4.

Wherein, 1, connecting rod; 2. positioning a plate; 21. an arc-shaped groove; 3. mounting a plate; 31. a circular arc groove; 32. a limiting hole; 4. a spring; 5. a screw; 6. pressing a ring; 61. a connecting bolt; 7. an adjustment device; 71. connecting blocks; 711. a through hole; 72. mounting a rod; 73. shifting blocks; 731. mounting holes; 74. an elastic member; 8. and (6) installing a cover.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

The utility model provides a non-pneumatic tire retreading device, including a plurality of connecting rods 1, the inboard at the tire is worn to establish along the circumferential direction of tire by a plurality of connecting rods 1, and the both ends symmetry that connecting rod 1 stretches out the tire sets up two mounting panels 3, and one side that mounting panel 3 is close to the tire respectively is connected with a locating plate 2, and connecting rod 1 removal all can be followed to mounting panel 3 and locating plate 2. When the centering function is realized, the positioning plates 2 and the mounting plates 3 are respectively arranged on two sides of the tire, and then the positioning plates 2 and the mounting plates 3 on the two sides are connected through the connecting rods 1. The distance between the positioning plates 2 on the two sides is larger than the width of the tire tread, after the positioning plates 2 are moved along the length direction of the connecting rod 1, the distance between the positioning plates 2 is adjusted to be equal to the width of the tire tread, so that the center line of the tire tread and the center line of the tire are on the same straight line, and the centering function is realized.

As shown in fig. 1 and 3, the mounting plate 3 is disposed on the connecting rod 1 in a penetrating manner, in order to realize the movement of the positioning plate 2, the positioning plate 2 and the mounting plate 3 are both of an annular structure, a plurality of springs 4 are disposed between the positioning plate 2 and the mounting plate 3, the springs 4 are circumferentially distributed, the positioning plate 2 and the mounting plate 3 are connected through a plurality of screws 5, and the screws 5 are circumferentially distributed along the positioning plate 2. The nut arranged on the adjusting screw rod 5 can release the degree of freedom of the positioning plate 2 along the length direction of the connecting rod 1, so that the position of the positioning plate 2 is changed, the positioning plate 2 can be abutted to the two sides of a tire, and the centering function is guaranteed.

In order to realize the sealing function, a plurality of pressing rings 6 are circumferentially distributed on the edge of the tire in the embodiment, each pressing ring 6 is of an arc-shaped structure, as shown in fig. 4, the pressing ring 6 abuts against one side of the encapsulating sleeve, a plurality of adjusting devices 7 are circumferentially distributed on the mounting plate 3, the adjusting devices 7 are connected with the pressing rings 6, and the adjusting devices 7 correspond to the pressing rings 6 one to one. The adjusting device 7 is used for controlling the press ring 6 to move along the radial direction of the mounting plate 3. The radial movement of the press ring 6 enables the press ring 6 to abut against one side of the packing sleeve, and then the sealing of the packing sleeve can be realized.

As shown in fig. 6, an inwardly recessed arc groove 31 is formed in the mounting plate 3, a limiting hole 32 is formed in the middle of the arc groove 31, a connecting bolt 61 is arranged on one side of the pressing ring 6, and the connecting bolt 61 penetrates through the limiting hole 32 and is connected with the adjusting device 7. Adjusting device 7 installs on circular arc recess 31 to adjusting device 7 can drive connecting bolt 61 and can reciprocate in spacing hole 32, and then drives the reciprocating of clamping ring 6.

Specifically, the adjusting device 7 is as shown in fig. 5, and includes a connecting block 71, a mounting rod 72 is disposed at one end of the connecting block 71, and a shifting block 73 is rotatably sleeved on the mounting rod 72. The other end of the connecting block 71 abuts against the elastic member 74, and the other end of the elastic member 74 abuts against the bottom of the circular arc groove 31. The resilient member 74 in this embodiment is a spring. Through the arrangement of the elastic piece 74, the connecting block 71 can move up and down, and further drives the pressing ring 6 connected with the connecting block to move up and down.

As shown in fig. 5, the shifting block 73 is a cross-shaped structure, a mounting hole 731 is formed in the center of the cross-shaped structure, and the mounting rod 72 is inserted into the mounting hole 731. Since the shifting block 73 can rotate on the mounting rod 72, when the shifting block 73 rotates to the state that both sides of the shifting block 73 abut against both sides of the arc groove 31, the shifting block 73 is in a locking state, and the adjusting device 7 can not move any more. When the shifting block 73 rotates to the point that the two sides of the shifting block 73 are spaced from the two sides of the arc groove 31, the shifting block 73 is in a motion state, and the adjusting device 7 can move up and down in the arc groove 31.

Specifically, the adjusting device 7 is connected with the pressing ring 6, a through hole 711 is formed in the connecting block 71, the connecting bolt 61 penetrates through the through hole 711, and a nut is connected to a part, extending out of the through hole 711, of the connecting bolt 61 through a thread. The nut can fix the position of the coupling bolt 61.

In order to further fix the adjusting device 7 and for aesthetic purposes, the outer side of the circular arc groove 31 is covered with a mounting cover 8, as shown in fig. 5, the main body of the mounting cover 8 is protruded outwards, and the shape of the mounting cover 8 is matched with the adjusting device 7. The four corners of the mounting cover 8 are provided with bolt holes, and the mounting cover 8 is connected with the mounting plate 3 through bolts.

In this embodiment, the mounting cover 8 is provided with an open slot adapted to the adjusting device 7. The adjustment means 7 can be exposed through an open slot to be manually controlled.

Further, the connecting rod 1 is a threaded rod, and nuts are in threaded fit with two ends of the connecting rod 1 extending out of the mounting plate 3. Through adjusting nut, can drive the removal of mounting panel 3 on connecting rod 1, and then adjust the interval between two mounting panels 3.

In addition, the inner side of the positioning plate 2 is provided with a plurality of arc-shaped grooves 21, and the pressing ring 6 penetrates through the arc-shaped grooves 21 to abut against one side of the encapsulating sleeve. Since the pressure ring 6 needs to move in the radial direction, the provision of the arc-shaped groove 21 satisfies the space for movement of the pressure ring 6.

Specifically, the plurality of pressure rings 6 collectively constitute an annular structure. A plurality of clamping rings 6 can jointly butt one side of the encapsulating sleeve to realize the sealing function.

In the present embodiment, the number of the adjusting devices 7 is eight. The number of the adjusting devices 7 is the same as that of the compression rings 6, and the adjusting devices 7 correspond to the compression rings 6 one by one so as to control the movement of the compression rings 6. In other embodiments, the number of the adjusting devices 7 can be selected according to practical situations, and is not limited herein.

As shown in fig. 2, the number of links 1 is four. The four links 1 are provided to stably connect the mounting plates 3 on the left and right sides of the tire. Likewise, in other embodiments, the number of the connecting rods 1 can be selected according to practical situations, and is not limited herein.

The centering function working process:

first, a tread is applied to the tire. During centering, the two positioning plates 2 and the two mounting plates 3 are respectively arranged on two sides of the tire in the first step, and then the mounting plates 3 on the two sides are connected through the connecting rod 1. The positioning plates 2 on two sides are connected with the mounting plate 3 through a screw rod 5 and a nut, and a spring 4 is arranged between the positioning plate 2 and the mounting plate 3. And meanwhile, nuts connected with the left and right positioning plates 2 are adjusted, the degree of freedom is released, the distance between the positioning plates 2 is equal to the width of the tire tread, and centering is realized.

The working process of the sealing function is as follows:

after the tire tread is attached to the tire, the whole tire tread is wrapped by the wrapping sleeve. Then two positioning plates 2 and two mounting plates 3 are respectively arranged at two sides of the tire, and the mounting plates 3 at the two sides are connected through a connecting rod 1. The positioning plates 2 on two sides are connected with the mounting plate 3 through a screw rod 5 and a nut, and a spring 4 is arranged between the positioning plate 2 and the mounting plate 3. The nut on the connecting rod 1 is adjusted, so that the positioning plate 2 compresses the encapsulating sleeve on the side surface of the tire to realize sealing.

In addition, another sealing mode is adopted, after the tire tread is wrapped by the wrapping sleeve, the pressing ring 6 is adjusted by the adjusting device 7 to move outwards in the radial direction until the pressing ring 6 is in contact with the wrapping sleeve and is pressed tightly, then the shifting block 73 is rotated, and the adjusting device 7 is locked to realize sealing.

It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The non-pneumatic tire retreading device is characterized by comprising a plurality of connecting rods (1), wherein the connecting rods (1) penetrate through the inner side of a tire along the circumferential direction of the tire, two mounting plates (3) are symmetrically arranged at two ends of each connecting rod (1) extending out of the tire, one side, close to the tire, of each mounting plate (3) is connected with one positioning plate (2), and the mounting plates (3) can move along the connecting rods (1);

the positioning plate (2) and the mounting plate (3) are both of an annular structure, a plurality of springs (4) are arranged between the positioning plate (2) and the mounting plate (3), the plurality of springs (4) are distributed in the circumferential direction, the positioning plate (2) and the mounting plate (3) are connected through a plurality of screw rods (5), and the plurality of screw rods (5) are distributed in the circumferential direction of the positioning plate (2);

the utility model discloses a tire, including mounting panel (3), clamping ring (6), mounting panel (7), adjusting device (7), clamping ring (6) are connected, the limit portion circumference of tire distributes and has a plurality of clamping ring (6), clamping ring (6) are the arc structure, one side of clamping ring (6) butt encapsulation cover, circumference distributes on mounting panel (3) has a plurality of adjusting device (7), adjusting device (7) are connected clamping ring (6), adjusting device (7) are used for control clamping ring (6) are followed the radial direction of mounting panel (3) removes.

2. The non-pneumatic tire retreading device as recited in claim 1, wherein the mounting plate (3) is provided with an inwardly recessed arc groove (31), a limiting hole (32) is formed in the middle of the arc groove (31), one side of the pressing ring (6) is provided with a connecting bolt (61), and the connecting bolt (61) passes through the limiting hole (32) and is connected with the adjusting device (7).

3. A non-pneumatic tire retreading device as recited in claim 2, wherein the adjusting device (7) comprises a connecting block (71), a mounting rod (72) is arranged at one end of the connecting block (71), and a shifting block (73) is rotatably sleeved on the mounting rod (72); the other end butt of connecting block (71) has elastic component (74), the other end butt of elastic component (74) the bottom of circular arc recess (31).

4. The non-pneumatic tire retreading device as recited in claim 3, wherein the shifting block (73) is a cross-shaped structure, a mounting hole (731) is formed in the center of the cross-shaped structure, and the mounting rod (72) is arranged in the mounting hole (731) in a penetrating manner.

5. The non-pneumatic tire retreading device as recited in claim 3, wherein a through hole (711) is formed in the connecting block (71), the connecting bolt (61) passes through the through hole (711), and a nut is screwed to a portion of the connecting bolt (61) extending out of the through hole (711).

6. The non-pneumatic tire retreading device as recited in claim 2, wherein the arc groove (31) is covered with a mounting cover (8) at the outer side, the mounting cover (8) is matched with the adjusting device (7) in shape, bolt holes are formed at four corners of the mounting cover (8), and the mounting cover (8) is connected with the mounting plate (3) through bolts.

7. The non-pneumatic tire retreading device as recited in claim 1, wherein the link (1) is a threaded rod, and nuts are threadedly fitted to both ends of the link (1) extending out of the mounting plate (3).

8. A non-pneumatic tyre retreading device as claimed in claim 1, wherein a plurality of arc-shaped recesses (21) are provided on the inner side of the positioning plate (2), and the pressing ring (6) passes through the arc-shaped recesses (21) to abut against one side of the envelope.

9. A non-pneumatic tyre retreading device as claimed in claim 6, wherein the mounting cup (8) is provided with an open slot adapted to the adjustment device (7).

10. A non-pneumatic tire retreading device as recited in claim 1, wherein the plurality of pressure rings (6) collectively constitute an annular structure.