CN210257868U - Equal-width cam connecting mechanism and split type inner tire support body - Google Patents
Equal-width cam connecting mechanism and split type inner tire support body Download PDFInfo
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- CN210257868U CN210257868U CN201920503566.4U CN201920503566U CN210257868U CN 210257868 U CN210257868 U CN 210257868U CN 201920503566 U CN201920503566 U CN 201920503566U CN 210257868 U CN210257868 U CN 210257868U
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Abstract
The utility model provides a cam connecting mechanism with equal width, which is used for connecting two joints of a supporting body in a tire, wherein the joints are mutually lapped, and the cam connecting mechanism comprises a cam, a wheel shaft fixedly connected with the cam, a slide block driven by the cam, a fixed block arranged on the bottom surface of the slide block, and a locking connecting part capable of fixedly connecting the slide block and the fixed block, wherein the slide block and the fixed block are respectively and fixedly arranged on the two joints which are mutually lapped; the sliding block is provided with a frame groove which can be matched with the cam to form an equal-width cam mechanism, and a guide through groove for limiting the movement direction of the frame groove, the fixed block is provided with a shaft hole matched with the wheel shaft, the cam is arranged in the frame groove, the wheel shaft penetrates through the guide through groove and the shaft hole, one end of the guide through groove is used as a locking end, and when the wheel shaft slides to the abutting locking end, the sliding block and the fixed block can be fixedly connected through the locking connecting part. The connecting mechanism can conveniently finish the assembly and disassembly of the inner supporting body of the tire, and realize the accurate positioning and matching of parts of the inner supporting body of the tire in the assembly and disassembly process so as to ensure the use safety.
Description
Technical Field
The utility model relates to a tire field especially relates to equal width cam coupling mechanism and split type tire inner support body.
Background
With the acceleration of modern life rhythm, the popularity of vehicles is higher and higher, and tires have become a necessity. At present, inflatable tires with inner tubes and inflatable tires without inner tubes are commonly used in vehicles, the inner tubes and the inflatable tires have the same potential safety hazards, and once the tires are pricked, lacerated or bounced, air leakage, knocking off or even tire burst can occur, so that the life safety of human beings is damaged. The statistical data show that 10% of traffic accidents on motorways are caused by tire accidents, and that one term of the tire burst accounts for more than 70% of the total number of accidents caused by tire failures. Therefore, the prior pneumatic tire widely uses a built-in support structure to ensure the service performance of the tire, and can rely on the function of an inner support to ensure the normal use of a vehicle after the tire is punctured.
The expected effect of the inner support body is established on the precise matching of the support body and the rim, if the matching of the support body and the rim is inaccurate and weak, and the support body and the rim are disassembled when suffering from bumping and other external interference, the potential safety hazard is huge.
At present, there are two types of wheel inner supporting bodies on the market: the integral inner wheel support has the characteristics of bump resistance, strong impact resistance and strong road condition adaptability, but is quite inconvenient to assemble and disassemble, and cannot be realized without special tools and skilled skills. The other type is a split type inner support body, the disassembly and assembly of the inner support body are more convenient than those of the integral type inner support body, but due to split assembly, the assembly precision between each component and the assembly precision between the component and the rim are difficult to control, so that the high-precision matching of the support body and the rim can not be realized mostly by the existing split type inner support body, the general structure is relatively complex, the installation difficulty is high, the positioning of parts is inaccurate, and the structure is not compact.
Disclosure of Invention
The utility model provides an above-mentioned problem, provide an equal width cam coupling mechanism and split type tire inner support body, use the loading and unloading of completion tire inner support body that this coupling mechanism can be convenient to realize the accurate location cooperation between the spare part of supporter in the tire at loading and unloading in-process, and then realize the high accuracy cooperation of supporter and rim, in order to ensure safe in utilizationly.
In order to achieve the above object, the utility model discloses a technical scheme be:
a kind of cam coupling mechanism of the same width, two joints overlapping each other used for connecting the supporting body in the tire, including the cam, the wheel axle fixedly connected with said cam, the slide block driven by cam, the fixed block mounted to the bottom surface of said slide block, and can fix the locking interconnecting piece connecting said slide block and said fixed block, said slide block and said fixed block can be mounted on two joints overlapping each other fixedly respectively; the sliding block is provided with a frame groove which can be matched with the cam to form an equal-width cam mechanism, and a guide through groove for limiting the movement direction of the frame groove, the guide through groove is arranged along the width direction of the frame groove, the guide through groove is arranged below the frame groove and is communicated with the frame groove, the fixed block is provided with a shaft hole matched with the wheel shaft, the cam is arranged in the frame groove, the wheel shaft is arranged in the guide through groove and the shaft hole in a penetrating manner, the wheel shaft is in sliding fit with the guide through groove, two end parts of the guide through groove are respectively used as a locking end and an opening end, and when the wheel shaft slides to the locking end abutted against the guide through groove, the sliding block and the fixed block can be fixedly connected through a locking connecting part.
Preferably, the shaft hole is provided perpendicular to the width direction of the frame groove.
Preferably, the locking connection component comprises a fixing bolt, the sliding block and the fixed block are respectively provided with a first through hole and a second through hole, the first through hole and the second through hole can be penetrated by the fixing bolt, the first through hole and the second through hole are both provided with screw holes matched with the fixing bolt, when the wheel shaft slides to abut against the locking end of the guide through groove, the first through hole and the second through hole are communicated, and the fixing bolt is penetrated in the first through hole and the second through hole.
Preferably, the first through hole is disposed below the frame groove and is communicated with the frame groove.
Preferably, the bottom of the fixed block is provided with a groove, and the tail end of the fixing bolt and the tail end of the wheel shaft are both arranged in the groove.
Preferably, the end of the wheel shaft penetrates out of the shaft hole, and the end of the wheel shaft is provided with a retarding component for preventing the wheel shaft from moving along the shaft hole in the axial direction.
Preferably, the retarding component is a retaining ring sleeved on the wheel shaft, the tail end of the wheel shaft and the inner ring of the retaining ring are respectively provided with a matched threaded structure, and the retaining ring is in threaded connection with the wheel shaft.
Preferably, the bottom of the fixed block is provided with a groove, and the tail end of the fixing bolt and the tail end of the wheel shaft are both arranged in the groove.
The utility model also discloses a split type inner supporting body of the tire, which comprises a plurality of supporting blocks which are enclosed into an annular inner supporting body of the tire, wherein the two supporting blocks are respectively provided with a first joint and a second joint at the connecting ends, the first joint is lapped with the second joint, the first joint and the second joint are connected through the equal-width cam connecting mechanism, the sliding block is fixedly arranged on the first joint, the fixed block is fixedly arranged on the second joint, the guide through groove is arranged along the tangential direction of the inner tire support body at the position of the guide through groove, when the wheel shaft slides to abut against the opening end of the guide through groove, the gap between the first joint and the second joint is the largest, when the wheel shaft slides to abut against the locking end of the guide through groove, the first joint and the second joint have the smallest gap and are fixedly connected through the locking connecting part.
Preferably, said first joint and said second joint are in contact by means of a plane of overlap, said plane of overlap being arranged parallel to the radial and tangential directions of the support within the tyre at the location where it is arranged.
Preferably, the supporting block is provided with three supporting blocks, and the first joint and the second joint are respectively provided at two ends of the supporting block.
Preferably, the first joint is provided with a first mounting hole for mounting the sliding block, and the second joint is provided with a second mounting hole for mounting the fixed block.
Preferably, the cam and the fixing bolt cap are both provided with a hexagonal slot hole matched with an inner hexagonal wrench.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect: the connecting mechanism can conveniently assemble and disassemble the inner support body of the tire, and realize accurate positioning and matching between parts of the inner support body of the tire in the assembling and disassembling process, thereby realizing high-precision matching of the support body and a rim and ensuring use safety.
Drawings
Fig. 1 is a schematic structural view of the locking state of the constant-width cam connecting mechanism of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a bottom view of FIG. 1;
fig. 5 is a top view of the open state of the constant-width cam connecting mechanism of the present invention;
fig. 6 is a schematic structural view of the slider of the present invention;
FIG. 7 is a schematic view of the construction of the cam and axle of the invention;
fig. 8 is a schematic structural view of the split type inner tire support of the present invention;
fig. 9 is a schematic structural diagram of the supporting block of the present invention;
fig. 10 is a structural schematic view of the installation state of the support body in the split type tire of the present invention;
fig. 11 is a structural schematic view of the disassembled state of the support body in the split type tire of the present invention;
in the above figures: 1-sliding block, 11-frame groove, 12-guide through groove, 13-first through hole, 2-fixed block, 21-shaft hole, 22-second through hole, 23-groove, 3-cam, 31-wheel shaft, 311-external thread, 32-baffle ring, 33-elastic gasket, 4-fixing bolt, 5-supporting block, 51-first joint, 511-first mounting hole, 52-second joint and 521-second mounting hole.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 7, an equal-width cam connection mechanism for connecting two overlapping joints of a support body in a tire comprises a cam 3, a wheel shaft 31 fixedly connected with the cam 3, a sliding block 1 driven by the cam 3, a fixed block 2 arranged on the bottom surface of the sliding block 1, and a locking connection part fixedly connecting the sliding block 1 and the fixed block 2, wherein the sliding block 1 and the fixed block 2 can be respectively and fixedly arranged on the two overlapping joints; the slide block 1 is provided with a frame groove 11 which can be adapted to the cam 3 to form an equal-width cam mechanism, and a guide through groove 12 which limits the movement direction of the frame groove 11, the guide through groove 12 is arranged along the width direction of the frame groove 11, the guide through groove 12 is arranged below the frame groove 11 and is communicated with the frame groove 11, the fixed block 2 is provided with a shaft hole 21 which is adapted to the wheel shaft 31, the cam 3 is installed in the frame groove 11, the wheel shaft 31 is arranged in the guide through groove 12 and the shaft hole 21 in a penetrating manner, the wheel shaft 31 is in sliding fit with the guide through groove 12, two end parts of the guide through groove 12 are respectively used as a locking end 121 and an opening end 122, when the wheel shaft 31 slides to abut against the locking end 121 of the guide through groove 31 (as shown in fig. 1 to 4), the slide block 1 and the fixed block 2 can be fixedly connected through a locking connecting part.
As shown in fig. 8 to 11, the split type tire inner support body applying the equal-width cam connection mechanism includes a plurality of support blocks 5 enclosing an annular tire inner support body, two support blocks 5 are respectively provided with a first connector 51 and a second connector 52 at connection ends, the first connector overlaps 51 the second connector 52, the first connector 51 and the second connector 52 are connected through the equal-width cam connection mechanism, the slider 2 is fixedly mounted on the first connector 51, the fixed block 2 is fixedly mounted on the second connector 52, the guiding through groove 12 is arranged along a tangential direction of the tire inner support body at a position where the guiding through groove 12 is arranged, when the wheel axle 31 slides to abut against an opening end 122 of the guiding through groove 12, a gap between the first connector 51 and the second connector 52 is maximum, when the wheel axle 31 slides to abut against a locking end 121 of the guiding through groove 11, the first joint 51 and the second joint 52 have the smallest gap and are fixedly connected through the locking connection part, and the plurality of support blocks 5 are overlapped with each other to form a circular ring-shaped member.
The connection structure between the supporting blocks 5 of the inner supporting body of the tire can conveniently realize the assembly and disassembly of the inner supporting body by adopting the equal-width cam connection mechanism as the connection structure between the supporting blocks 5 of the split inner supporting body of the tire, the assembly positions between the supporting blocks 5 of the inner supporting body of the tire of the embodiment can be prefabricated through the equal-width cam connection mechanism formed by the cam 3, the frame groove 11 and the like, so that when the wheel shaft 31 slides to abut against the locking end 121 of the guide through groove 11, the gap between the first joint 51 and the second joint 52 is minimum, the supporting blocks 5 are mutually overlapped to form the annular inner supporting body, in the assembly and disassembly process, the gap between the first joint 51 and the second joint 52 is adjusted by the equal-width cam mechanism in the assembly and disassembly process so as to change the inner diameter of the inner supporting body and facilitate the assembly, and in the assembly process, the gap between the first joint 51 and the second joint 52 is controlled to reach the minimum value, the supporting blocks 5 are prefabricated and assembled, so that the relative positions of the supporting blocks 5 can be accurately controlled, the parts of the tire inner supporting body can be accurately positioned and matched, the inner supporting body and the rim can be accurately matched, and the use safety can be ensured.
In the process of dismounting and mounting the inner support body of the tire of the embodiment, the support blocks 5 are not completely separated, before mounting, the cam 3 is rotated to enable the wheel shaft 31 to slide to abut against the opening end 122 of the guide through groove 31, the slider 1 drives the first connector 51 to move relative to the second connector 52 along the arrangement direction of the guide through groove 12 (the tangential direction of the inner support body) until the gap between the two is maximum under the driving of the cam 3, so that the gap between the support blocks 5 is enlarged, and further the inner diameter of the inner support body is enlarged (as shown in fig. 11), at this time, the inner support body can be sleeved on the rim without completely disassembling the support blocks 5, after the inner support body is sleeved on the rim at the mounting position, the cam 3 is rotated to enable the wheel shaft 31 to slide to abut against the locking end 121 of the guide through groove 12, the slider 1 drives the first connector 51 to move relative to the second connector 52 until the gap between the two is minimum under the driving of the cam 3, the, at the moment, the supporting blocks 5 reach the prefabricated assembly positions (as shown in fig. 10), the assembly precision among the supporting blocks 5 can be ensured, the high-precision matching of the inner supporting body and the wheel rim is further realized, the fixed blocks of the sliding block 1 are fixedly connected through the locking connecting part after the installation and the positioning of each part are realized through the constant-width cam mechanism, the first connector 51 and the second connector 52 are further firmly connected, the accurate positioning installation and the stable installation of the inner support can be conveniently realized, and the use safety is ensured.
Specifically, the shaft hole 21 is disposed perpendicular to the groove width direction of the frame groove 11.
Specifically, the first joint 51 and the second joint 52 are complementarily engaged, and the overlapping plane between the first joint 51 and the second joint 52 is parallel to the radial direction and the tangential direction of the inner support body of the tire at the position where the first joint 51 and the second joint 52 are arranged.
Specifically, the locking connection component includes a fixing bolt 4, the sliding block 1 and the fixed block 2 are respectively provided with a first through hole 13 and a second through hole 22 through which the fixing bolt 4 can be inserted, the first through hole 13 and the second through hole 22 are both provided with screw holes adapted to the fixing bolt 4, when the wheel shaft 31 slides to abut against the locking end 121 of the guide through groove 12, the first through hole 13 and the second through hole 22 are communicated, and the fixing bolt 4 is inserted into the first through hole 13 and the second through hole 22. The first through hole 13 and the second through hole 22 are set to be screw holes, and the sliding block 1 and the fixed block 2 can be connected more firmly through the fixing bolt 4, so that firm connection between the supporting blocks 5 can be better realized, and the use safety is ensured.
Specifically, the first through hole 13 is disposed below the frame groove 11 and is communicated with the frame groove 11. In addition, the first through hole 13 can be arranged outside the frame groove 11, and the first through hole 13 is arranged below the frame groove 11, so that the bolt cap of the fixing bolt 4 can be positioned in the frame groove 11 when the fixing bolt 4 is installed, and the influence of the bolt cap of the fixing bolt 4 protruding out of the sliding block 1 on the use of the inner supporting body can be avoided.
Specifically, the end of the wheel shaft 31 protrudes out of the shaft hole 21, and the end of the wheel shaft 31 is provided with a blocking component for preventing the wheel shaft 31 from moving along the shaft hole 21 in the axial direction.
Specifically, the blocking component is a retaining ring 32 sleeved on the wheel shaft 31, the tail end of the wheel shaft 31 is provided with an external thread 311, an internal ring of the retaining ring 32 is provided with an internal thread matched with the external thread 311, and the retaining ring 32 is in threaded connection with the wheel shaft 31. The baffle ring 32 and the wheel shaft 31 are connected by adopting a threaded structure, so that the wheel shaft 31 can be more conveniently detached and is more convenient to use.
Specifically, an elastic gasket 33 is arranged between the baffle ring 32 and the bottom surface of the fixed block 2. The elastic gasket 33 can reduce the direct extrusion and abrasion between the fixed blocks 2 of the baffle ring 32, and prolong the service life of the product.
Specifically, the bottom of the fixed block 2 is provided with a groove 23, and the tail end of the fixing bolt 4 and the tail end of the wheel shaft 31 are both arranged in the groove 23. The arrangement of the groove 23 can avoid the influence of the fixed bolt 4 and the wheel shaft 31 protruding out of the fixed block 2 on the use of the inner support body.
Specifically, the cap of the cam 3 and the cap of the fixing bolt 4 are both provided with a hexagonal slot hole matched with an inner hexagonal wrench. The cam 3 is rotated to the inner hexagonal wrench conveniently, the fixing bolt is assembled and disassembled, and the use is more convenient.
Specifically, as shown in fig. 9, the supporting block 5 is provided with three pieces, and the first joint 51 and the second joint 52 are respectively provided at two end portions of the supporting block 5. The first joint 51 is provided with a first mounting hole 511 for mounting the sliding block 1, and the second joint 52 is provided with a second mounting hole 521 for mounting the fixed block 2.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art can use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A cam connecting mechanism with equal width is characterized in that two joints which are overlapped with each other and used for connecting a supporting body in a tire comprise a cam, a wheel shaft fixedly connected with the cam, a sliding block driven by the cam, a fixed block arranged on the bottom surface of the sliding block and a locking connecting part fixedly connected with the sliding block and the fixed block, wherein the sliding block and the fixed block can be respectively and fixedly arranged on the two joints which are overlapped with each other; the sliding block is provided with a frame groove which can be matched with the cam to form an equal-width cam mechanism, and a guide through groove for limiting the movement direction of the frame groove, the guide through groove is arranged along the width direction of the frame groove, the guide through groove is arranged below the frame groove and is communicated with the frame groove, the fixed block is provided with a shaft hole matched with the wheel shaft, the cam is arranged in the frame groove, the wheel shaft is arranged in the guide through groove and the shaft hole in a penetrating manner, the wheel shaft is in sliding fit with the guide through groove, two end parts of the guide through groove are respectively used as a locking end and an opening end, and when the wheel shaft slides to the locking end abutted against the guide through groove, the sliding block and the fixed block can be fixedly connected through a locking connecting part.
2. The connecting mechanism for cams with equal width according to claim 1, characterized in that the locking connecting member comprises a fixing bolt, the sliding block and the fixed block are respectively provided with a first through hole and a second through hole through which the fixing bolt can be passed, the first through hole and the second through hole are both provided as screw holes adapted to the fixing bolt, when the wheel shaft slides to abut against the locking end of the guiding through groove, the first through hole and the second through hole are communicated, and the fixing bolt is passed through the first through hole and the second through hole.
3. The mechanism as claimed in claim 2, wherein the first through hole is disposed below the frame groove and communicates with the frame groove.
4. The constant-width cam connection mechanism according to claim 2, wherein a groove is formed in the bottom of the fixed block, and the end of the fixing bolt and the end of the wheel shaft are both arranged in the groove.
5. The mechanism as claimed in claim 2, wherein the cam and the cap of the fixing bolt are provided with hexagonal slots adapted to an allen key.
6. The constant-width cam connection according to claim 1, wherein the end of the axle extends out of the axle hole, and the end of the axle is provided with a blocking member for blocking the axle from moving axially along the axle hole.
7. The connecting mechanism of claim 6, wherein the blocking member is a retaining ring sleeved on the wheel shaft, the end of the wheel shaft and the inner ring of the retaining ring are respectively provided with a matching thread structure, and the retaining ring is in threaded connection with the wheel shaft.
8. A split type tire inner support body comprises a plurality of support blocks which enclose an annular tire inner support body, wherein a first joint and a second joint are respectively arranged at connecting ends of the two support blocks, the first joint is overlapped with the second joint, the first joint and the second joint are connected through the equal-width cam connecting mechanism according to any one of claims 1 to 6, a sliding block is fixedly arranged on the first joint, a fixed block is fixedly arranged on the second joint, a guide through groove is arranged along the tangential direction of the tire inner support body at the position where the guide through groove is arranged, when a wheel shaft slides to abut against an opening end of the guide through groove, the gap between the first joint and the second joint is the largest, and when the wheel shaft slides to abut against a locking end of the guide through groove, the gap between the first joint and the second joint is the smallest, and is fixedly connected through the locking connecting part.
9. The split intra-tire support of claim 8, wherein the first joint and the second joint are in contact with each other through a plane of overlap that is parallel to the radial and tangential arrangement of the intra-tire support at the location of the plane of overlap.
10. The split inner tire support according to claim 8, wherein the support block is provided in three pieces, and the first joint and the second joint are provided at both ends of the support block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920503566.4U CN210257868U (en) | 2019-04-12 | 2019-04-12 | Equal-width cam connecting mechanism and split type inner tire support body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920503566.4U CN210257868U (en) | 2019-04-12 | 2019-04-12 | Equal-width cam connecting mechanism and split type inner tire support body |
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| Publication Number | Publication Date |
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| CN210257868U true CN210257868U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920503566.4U Active CN210257868U (en) | 2019-04-12 | 2019-04-12 | Equal-width cam connecting mechanism and split type inner tire support body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941051A (en) * | 2019-04-12 | 2019-06-28 | 青岛双星橡塑机械有限公司 | Constant breadth cam bindiny mechanism and split type internal supporting body for tyre |
-
2019
- 2019-04-12 CN CN201920503566.4U patent/CN210257868U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941051A (en) * | 2019-04-12 | 2019-06-28 | 青岛双星橡塑机械有限公司 | Constant breadth cam bindiny mechanism and split type internal supporting body for tyre |
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Address after: 266400 88 Gang Xing Road, POI Town, Huangdao District, Qingdao, Shandong Patentee after: Qingdao Shuangxing Equipment Manufacturing Co.,Ltd. Address before: 266000 No.66 Gangxing Avenue, Huangdao District, Qingdao City, Shandong Province Patentee before: QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY Co.,Ltd. |
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Address after: 266400 88 Gang Xing Road, POI Town, Huangdao District, Qingdao, Shandong Patentee after: Qingdao Hailang Intelligent Equipment Co.,Ltd. Address before: 266400 88 Gang Xing Road, POI Town, Huangdao District, Qingdao, Shandong Patentee before: Qingdao Shuangxing Equipment Manufacturing Co.,Ltd. |