CN111823784A

CN111823784A - Tire burst emergency safety device for split type rim and wheel

Info

Publication number: CN111823784A
Application number: CN201910318990.6A
Authority: CN
Inventors: 王�忠
Original assignee: Shandong Tesford Technology Development Co ltd
Current assignee: Shandong Tesford Technology Development Co ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-10-27

Abstract

The application discloses emergent safety device and wheel of flat tire for split type rim has the annular mounting groove that is used for installing the tire on the split type rim, and emergent safety device of flat tire includes the support ring, and the support ring can be installed in annular mounting groove and lie in between two tire beads of tire, and the both ends face of support ring all including be used for with the inside wall butt complex butt face of adjacent tire bead. The application provides an emergent safety device and wheel of flat tire for split type rim, the emergent safety device's of flat tire support ring is arranged in installing in the cyclic annular mounting groove of split type rim and is located between two tire beads of tire, both ends face through at the support ring is equipped with the butt face respectively, the butt face can cooperate with the inside wall butt of adjacent tire bead in order to centre gripping the tire bead between the rim of support ring and split type rim, avoid the wheel to appear the problem that the tire breaks away from the rim when flat tire, and then make the tire maintain the normal rotation of wheel as the blotter, the danger that the flat tire brought has been reduced.

Description

Tire burst emergency safety device for split type rim and wheel

Technical Field

The invention relates to the technical field of automobiles, in particular to the technical field of a tire burst emergency device, and particularly relates to a tire burst emergency safety device for a split type rim and a wheel.

Background

A flat tire is a phenomenon in which the tire collapses by suddenly losing air in a very short time due to a rupture. The occurrence of the tire burst situation can lead to the situations of out-of-control driving, side turning and the like of the automobile, and the safety of drivers is seriously threatened. In order to reduce the harm caused by tire burst, a tire burst emergency safety device is arranged in the tire at present. The conventional tire burst emergency safety device generally fills a wheel groove on the bottom surface of a tire mounting groove on a rim to prevent a tire from sliding into the wheel groove or separating from the rim after the tire burst, so that the tire can continuously work on the rim in the form of a rubber pad.

Since the above-described flat tire emergency safety device is installed in the wheel well, the flat tire emergency safety device is applicable only to an integrated rim having the wheel well. The split type wheel rims are mostly used in the tires of the prior off-road vehicles, trucks and other vehicles with large displacement. However, the above-described flat tire emergency safety device is not applicable to a split type rim because there is no wheel well on the bottom surface of the tire mounting groove on the split type rim. At present, how to design a tire burst emergency safety device applicable to a split type rim becomes a technical problem in the field.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a flat tire emergency safety device for a split rim and a wheel.

On the one hand, this application provides an emergent safety device of flat tire for split type rim has the annular mounting groove that is used for installing the tire on the split type rim, and emergent safety device of flat tire includes the support ring, and the support ring can be installed in annular mounting groove and lie in between two tire beads of tire, and the both ends face of support ring all includes the inside wall butt complex butt face that is used for with adjacent tire bead.

Further, the support ring comprises an annular body having an opening; the support ring also comprises a tensioning mechanism used for adjusting the size of the opening, and the tensioning mechanism is positioned at the opening and is respectively connected with the two ends of the annular main body at the opening in a rotating manner.

Further, the annular main body comprises a plurality of support plates arranged along the circumferential direction, two adjacent support plates are connected in a rotating mode, and two opposite side faces of the support plates in the axial direction of the support ring are at least partially abutting faces.

Further, rotate through rotating the connecting piece between two adjacent backup pads and connect, rotate the connecting piece and include the pivot and install in changeing epaxial a plurality of spliced poles, and a plurality of spliced poles set up along the axial of pivot, wherein a plurality of spliced poles include a plurality of first spliced poles and a plurality of second spliced poles, first spliced pole and second spliced pole respectively fixed connection in two backup pads on adjacent tip, at least one movable mounting in first spliced pole and the second spliced pole is in the pivot.

Furthermore, the plurality of first connecting columns and the plurality of second connecting columns are sequentially arranged in a crossed mode along the axial direction of the rotating shaft.

Furthermore, at least one of the two adjacent support plates is provided with a first stopping portion on the inner side wall of at least one of the support plates, and the first stopping portion is used for being in limited contact with the inner side wall of the other support plate.

Further, fixedly connected with cushion on the inside wall of backup pad, the cushion is including the contact surface that is used for contacting with the bottom surface of cyclic annular mounting groove, and the contact surface is located one side that the cushion deviates from the backup pad.

Furthermore, one end of the cushion block, which is far away from the contact surface, is provided with a positioning bulge, and the inner side wall of the supporting plate is provided with a positioning groove matched with the positioning bulge in a positioning manner.

Furthermore, the two opposite ends of the cushion block are respectively provided with a clamping hook, and the inner side wall of the supporting plate is provided with a clamping groove matched with each clamping hook.

Furthermore, the one end of cushion is equipped with the supporting part, and the supporting part extends to the backup pad at cushion place on the rotation connecting piece of same end, and the supporting part deviates from one of contact surface and serves the holding surface that is equipped with first spliced pole or the second spliced pole that does not locate with the backup pad fixed connection in the rotation connecting piece towards, and the holding surface is used for with first spliced pole or the spacing cooperation of second spliced pole.

Furthermore, more than two cushion blocks are fixedly connected to the inner side wall of at least part of the support plate; the supporting parts of one part of the cushion blocks and the supporting parts of the other part of the cushion blocks are arranged oppositely.

Further, straining device includes two links that relative setting, and two links all correspond through the rotation connecting piece with cyclic annular main part between the both ends of opening part and are connected.

On the other hand, this application still provides a wheel, including split type rim and tire, the annular mounting groove has on the split type rim, and the tire is installed in annular mounting groove, and its characterized in that still installs the emergent safety device of blowing out that is used for split type rim in the annular mounting groove, and the support ring of the emergent safety device of blowing out is located between two tire beads of tire, and the butt face on the both ends of cyclic annular body respectively with the inside wall butt cooperation of adjacent tire bead.

The application provides an emergent safety device and wheel of flat tire for split type rim, the emergent safety device's of flat tire support ring is arranged in installing in the cyclic annular mounting groove of split type rim and is located between two tire beads of tire, both ends face through at the support ring is equipped with the butt face respectively, the butt face can cooperate with the inside wall butt of adjacent tire bead in order to centre gripping the tire bead between the rim of support ring and split type rim, avoid the wheel to appear the problem that the tire breaks away from the rim when flat tire, and then make the tire maintain the normal rotation of wheel as the blotter, the danger that the flat tire brought has been reduced.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a tire burst emergency safety device provided in an embodiment of the present application;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of a support plate according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of another view angle of the support plate according to the embodiment of the present application;

fig. 5 is a schematic structural diagram of a cushion block provided in an embodiment of the present application;

FIG. 6 is a schematic structural diagram of another perspective view of a spacer block according to an embodiment of the present disclosure;

FIG. 7 is a schematic structural diagram of a tensioning mechanism according to an embodiment of the present application

FIG. 8 is a schematic structural view of a connection fastener provided in accordance with an embodiment of the present application;

FIG. 9 is an exploded view of a wheel provided in accordance with an embodiment of the present application;

FIG. 10 is a schematic assembly view of a wheel provided in accordance with an embodiment of the present application;

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-2, the embodiment of the present application provides a tire burst emergency safety device for a split type rim, wherein the split type rim 100 has an annular mounting groove for mounting a tire 200, the tire burst emergency safety device includes a support ring 300, the support ring 300 can be mounted in the annular mounting groove and located between two beads 210 of the tire 200, and both end surfaces of the support ring 300 include abutting surfaces 3111 for abutting and matching with inner sidewalls of adjacent beads 210.

In the present embodiment, the split type wheel rim 100 generally includes a rim base 110 and a rim flange 120, and the rim base 110 and the rim flange 120 are detachably fixedly connected by a bolt fastener. When the tire 200 is mounted on the split rim 100, the rim base 110 and the rim flange 120 are generally separated, then the tire 200 is mounted on the rim base 110, and finally the rim flange 120 is fixedly connected to the rim base 110 by the bolt fastener. The inner end of the tire 200 includes two spaced apart beads 210. The split type rim 100 is provided with an annular mounting groove in a circumferential direction, both ends of which have rims 111 in which beads 210 of the tire 200 are mounted. The flat tire emergency safety device includes a support ring 300, the support ring 300 being mounted in an annular mounting groove and located between two beads 210 of the tire 200. Both end faces of the support ring 300 comprise abutment faces 3111, and the abutment faces 3111 are in abutting engagement with the inner side walls of the adjacent beads 210 to achieve clamping of the beads 210 between the rim 111 of the split rim 100 and the support ring 300. In the present embodiment, by installing the flat tire emergency safety device in the annular mounting groove of the split type rim 100, it is possible to avoid the problem that the tire 200 is separated from the rim when the tire is flat. Since the wheel is clamped on the split rim 100, the tire 200 acts as a cushion to maintain the normal rotation of the wheel during a tire burst, reducing the risk of tire burst.

In certain preferred embodiments, the support ring 300 includes an annular body 310, the annular body 310 having an opening; the support ring 300 further includes a tensioning mechanism 320 for adjusting the size of the opening, and the tensioning mechanism 320 is located at the opening and is respectively rotatably connected to two ends of the ring-shaped body 310 at the opening.

In the preferred embodiment, the support ring 300 includes a ring-shaped body 310 having an opening, and a tensioning mechanism 320 is disposed at the opening, and the tensioning mechanism 320 is rotatably connected to the two ends of the ring-shaped body 310 at the opening. The tensioning mechanism 320 may be used to adjust the size of the opening, thereby achieving the purpose of adjusting the tightness of the ring body 310 in the circumferential direction.

In addition, the number of the openings on the ring-shaped body 310 may be multiple, and a tensioning mechanism 320 is disposed at each opening.

Referring to fig. 3-4, in some preferred embodiments, the annular body 310 includes a plurality of support plates 311 disposed along a circumferential direction, two adjacent support plates 311 are rotatably connected to each other, and two opposite side surfaces of the support plates 311 along an axial direction of the support ring 300 are at least partially abutting surfaces 3111.

In the preferred embodiment, the annular body 310 includes a plurality of support plates 311, and the plurality of support plates 311 are arranged in sequence along the circumferential direction and are rotatably connected between two adjacent support plates 311. The support plate 311 may preferably have an arc shape extending in the circumferential direction of the ring body 310. Due to the rotary connection between the two adjacent support plates 311, the annular body 310 can be turned over and stored during packaging, and the packaging space required by the annular body 310 is further reduced.

Each support plate 311 is at least partially an abutting surface 3111 on two opposite side surfaces along the axial direction of the support ring 300, so that a plurality of abutting surfaces 3111 are arranged on the end surface of the annular body 310 at intervals, and a plurality of abutting matching positions are arranged between the annular body 310 and the inner side wall of the tire bead 210 in the circumferential direction. The abutting surface 3111 may be an arc extending along the circumferential direction of the annular body 310, and may be attached to the inner sidewall of the bead 210, and the abutting contact surface 3131 between the abutting surface 3111 and the inner sidewall of the bead 210 may be increased.

In some preferred embodiments, two adjacent support plates 311 are rotatably connected by a rotating connection member 312, the rotating connection member 312 includes a rotating shaft 3123 and a plurality of connection columns installed on the rotating shaft 3123, and the plurality of connection columns are arranged along an axial direction of the rotating shaft 3123, wherein the plurality of connection columns includes a plurality of first connection columns 3121 and a plurality of second connection columns 3122, the first connection columns 3121 and the second connection columns 3122 are respectively and fixedly connected to adjacent ends of the two support plates 311, and at least one of the first connection columns 3121 and the second connection columns 3122 is movably installed on the rotating shaft 3123.

In the present preferred embodiment, the rotation connector 312 includes a rotation shaft 3123, and an axial direction of the rotation shaft 3123 is disposed in parallel with an axial direction of the support ring 300. A plurality of connecting columns are axially mounted on the rotating shaft 3123. The plurality of connecting columns include a plurality of first connecting columns 3121 and a plurality of second connecting columns 3122, and the first connecting columns 3121 and the second connecting columns 3122 may be arranged in a crossing manner or in an independent and separated manner in the installation sequence of the rotating shaft 3123. The first connecting column 3121 and the second connecting column 3122 are respectively fixedly connected to adjacent ends of the two adjacent supporting plates 311, and at least one of the first connecting column 3121 and the second connecting column 3122 is movably mounted on the rotating shaft 3123, so that the two adjacent supporting plates 311 can rotate around the rotating shaft 3123.

In the preferred embodiment, the rotating connection member 312 can provide a plurality of connection points between two adjacent support plates 311 and the rotating shaft 3123, thereby increasing the connection strength between two adjacent support plates 311.

In some preferred embodiments, the first connecting column 3121 and the supporting plate 311 fixedly connected thereto are integrally formed, and the second connecting column 3122 and the supporting plate 311 fixedly connected thereto are integrally formed, which not only simplifies the production process, but also can further increase the connection strength between the first connecting column 3121 and the supporting plate 311 and the connection strength between the second connecting column 3122 and the supporting plate 311.

In certain preferred embodiments, the plurality of first connecting columns 3121 and the plurality of second connecting columns 3122 are sequentially arranged to intersect in the axial direction of the rotating shaft 3123, that is, the second connecting column 3122 is disposed between any adjacent two first connecting columns 3121, and the first connecting column 3121 is disposed between any adjacent two second connecting columns 3122.

Adjacent ends of the adjacent first connecting column 3121 and the adjacent second connecting column 3122 are preferably in a limited fit in the axial direction along the rotating shaft 3123, so as to prevent the first connecting column 3121 and the second connecting column 3122 from moving relatively in the axial direction along the rotating shaft 3123.

In some preferred embodiments, a first stopper 3115 is disposed on an inner sidewall of at least one of the two support plates 311 at least partially adjacent to each other, and the first stopper 3115 is configured to be in limit contact with an inner sidewall of the other support plate 311.

In the present preferred embodiment, the first stopper portion 3115 is preferably convex. The first stopper 3115 disposed on the inner sidewall of the supporting plate 311 is in contact with the inner sidewall of the adjacent supporting plate 311, so as to limit the rotation angle of the adjacent supporting plate 311 to the supporting plate 311, and support the inner sidewall of the adjacent supporting plate 311.

In some preferred embodiments, the first stopping portion 3115 of the supporting plate 311 is disposed on the first connecting column 3121 or the second connecting column 3122 fixedly connected to the supporting plate 311, and an end departing from the inner sidewall of the supporting plate 311 extends to the inner sidewall of the adjacent supporting plate 311.

Referring to fig. 5-6, in some preferred embodiments, a pad 313 is fixedly connected to an inner sidewall of the supporting plate 311, the pad 313 includes a contact surface 3131 for contacting a bottom surface of the annular mounting groove, and the contact surface 3131 is located on a side of the pad 313 away from the supporting plate 311.

In the preferred embodiment, a spacer 313 is fixedly connected to the inner sidewall of the supporting plate 311, and a contact surface 3131 of the spacer 313 contacts with the bottom surface of the annular mounting groove to provide a supporting function for the supporting plate 311. The contact surface 3131 is preferably an arc extending in the circumferential direction of the annular mounting groove, and may be matched with the bottom surface of the annular mounting groove.

In some preferred embodiments, a positioning protrusion 3132 is disposed on an end of the pad 313 facing away from the contact surface 3131, and a positioning groove 3112 is disposed on an inner sidewall of the supporting plate 311 and is in positioning fit with the positioning protrusion 3132.

In the preferred embodiment, the positioning protrusion 3132 and the positioning groove 3112 are used to cooperate with each other to perform positioning fit between the pad 313 and the supporting plate 311, so that the pad 313 can be accurately and quickly mounted on the supporting plate 311. Of course, one end of the pad 313 away from the contact surface 3131 may be provided with a plurality of positioning protrusions 3132, and the inner sidewall of the supporting plate 311 is correspondingly provided with a plurality of positioning grooves 3112. The positioning groove 3112 is preferably a positioning through groove penetrating the inner and outer side walls of the supporting plate 311.

In some preferred embodiments, two opposite ends of the pad 313 are respectively provided with hooks 3133, and the inner sidewall of the supporting plate 311 is provided with a slot 3114 for cooperating with each hook 3133.

In the preferred embodiment, the pad 313 can be engaged with the engaging slot 3114 of the supporting plate 311 by the engaging hooks 3133 at two ends of the pad 313, so that the pad 313 is fixedly engaged with the supporting plate 311. Wherein, can prefer to be equipped with the connecting piece 3113 that corresponds the setting with every trip 3133 on the inside wall of backup pad 311, connecting piece 3113 includes horizontal connecting portion and two vertical connecting portions that are located horizontal connecting portion both ends respectively, the one end of vertical connecting portion and the inside wall fixed connection of backup pad 311, the other end and horizontal connecting portion fixed connection. A clamping groove 3114 is formed between the horizontal connecting portion and the two vertical connecting portions. The connector 3113 and the support plate 311 may be preferably integrally formed therebetween.

In some preferred embodiments, in each of the pivotal connectors 312, a reinforcing rib 3116 is connected between at least a portion of the first connecting column 3121 and the supporting plate 311 fixedly connected thereto, and a reinforcing rib 3116 is also connected between at least a portion of the second connecting column 3122 and the supporting plate 311 fixedly connected thereto, so as to further increase the connection strength between the first connecting column 3121 and the supporting plate 311 fixedly connected thereto and the connection strength between the second connecting column 3122 and the supporting plate 311 fixedly connected thereto.

In some preferred embodiments, one end of the cushion block 313 is provided with a supporting portion 3134, the supporting portion 3134 extends to the supporting plate 311 on which the cushion block 313 is located on the rotating connecting member 312 at the same end, one end of the supporting portion 3134 facing away from the contact surface 3131 is provided with a supporting surface 3135 facing the first connecting column 3121 or the second connecting column 3122 of the rotating connecting member 312, which is not fixedly connected with the supporting plate 311 on which the cushion block 313 is located, and the supporting surface 3135 is used for being in limit fit with the first connecting column 3121 or the second connecting column 3122.

In the preferred embodiment, one end of the pad 313 is provided with a supporting portion 3134, and the supporting portion 3134 of the pad 313 extends to the rotating connector 312 at the same end as the supporting plate 311 on which the pad 313 is located. It should be understood that the same end is referred to the support plate 311 and the pad 313, that is, the same end refers to the end of the support plate 311 and the pad 313 in the same direction, for example, the left end of the pad 313 is provided with the support 3134, and the support 3134 should extend to the rotary connector 312 at the left end of the support plate 311 where the pad 313 is located. The rotary connection is provided with a first connecting column 3121 and a second connecting column 3122, one of which is fixedly connected with the supporting plate 311 on which the cushion block 313 is positioned, and the other is not fixedly connected with the cushion block 313. One end of the supporting portion 3134 facing away from the contact surface 3131 is provided with a supporting surface 3135, and the supporting surface 3135 is disposed facing the first connecting column 3121 or the second connecting column 3122 that is not fixedly connected to the supporting plate 311 on which the cushion block 313 is disposed. The supporting surface 3135 is in limit fit with the facing first connecting column 3121 or second connecting column 3122 to support the first connecting column 3121 or second connecting column 3122, thereby improving the bearing capacity of the rotary connecting piece 312 to the external pressure. In some preferred embodiments, one end of the pad 313 may be provided with more than two supporting portions 3134 spaced apart.

In certain preferred embodiments, a plurality of weight-reducing holes 3136 are provided in an end of pillow 313 facing away from support 3134 to reduce the weight of pillow 313.

In some preferred embodiments, at least part of the inner side wall of the supporting plate 311 is fixedly connected with more than two cushion blocks 313; among the two or more spacers 313, a supporting portion 3134 of one part of the spacers 313 and a supporting portion 3134 of the other part of the spacers 313 are disposed to face away from each other.

In the preferred embodiment, at least a portion of the supporting plate 311 is fixedly provided with two or more spacers 313, wherein one end of each spacer 313 is provided with a supporting portion 3134. Among the two or more spacers 313, the supporting portion 3134 of one part of the spacers 313 and the supporting portion 3134 of the other part of the spacers 313 are disposed oppositely, so that the supporting portions 3134 are disposed on the rotary connectors 312 at both ends of the supporting plate 311.

In some preferred embodiments, the tensioning mechanism 320 includes two connecting ends disposed opposite to each other, and the two connecting ends are connected with the two ends of the ring-shaped main body 310 at the opening by the rotating connection 312.

In the preferred embodiment, two ends of the ring-shaped main body 310 at the opening are respectively disposed corresponding to two opposite ends of the tensioning mechanism 320, and the ring-shaped main body 310 is connected to the corresponding ends of the tensioning mechanism 320 through the rotating connection 312. In the preferred embodiment, the purpose that the two ends of each supporting plate 311 are connected with the rotating connectors 312 can be realized, so that the product structure can be simplified, and the production efficiency can be improved.

Referring to fig. 7, in certain preferred embodiments, the tensioning mechanism 320 includes: the first connecting piece 321 and the second connecting piece 322 are respectively provided with a connecting plate 323, and the two connecting plates 323 are parallel and opposite;

the connecting plates 323 are provided with bearing blocks, and two locking blocks used for tightly holding and releasing the bearing blocks are connected between the two connecting plates 323 in a sliding manner;

in the length direction of the connecting plate 323, the two locking blocks are connected by a connecting fastener.

In the preferred embodiment, two connecting ends of the tensioning mechanism 320 are respectively two connecting plates 323, which are disposed opposite to each other. In the length direction of connecting plate 323, be connected two latch segments through connecting fastener, then the chucking laminating each other between latch segment and the bearing block, the latch segment all reports tight bearing block in the length direction of connecting plate 323 and the direction of perpendicular to connecting plate 323 length, through the axial locking along connecting plate 323 length direction, realizes being close to mutually between first connecting piece 321 and the second connecting piece 322, and then realizes adjusting the rate of tension of support ring 300.

In some preferred embodiments, two through holes 324 are formed in the connecting plate 323 in the length direction of the connecting plate 323, and the two through holes 324 are arranged adjacent to two sides of the bearing block; in the direction perpendicular to the length of the connecting plate 323, the locking block is in inserted fit with the through hole 324; the locking blocks are slidably fitted with the through holes 324 in the length direction of the coupling plate 323.

In the preferred embodiment, the two connecting plates 323 form two through-hole 324 sets, each through-hole 324 set has two opposite through-holes 324 in a direction perpendicular to the length of the connecting plate 323, and the through-holes 324 are preferably kidney-shaped through-holes 324, the length direction of which is consistent with the length of the connecting plate 323.

Two opposing apertures 324 of each aperture 324 set slidably support a locking block, the two blocks being closer together to grip the bearing block and the two blocks being further apart to release the bearing block.

In certain preferred embodiments, the bearing block includes two fixed stoppers 325 spaced apart in a length direction of the coupling plate 323, the fixed stoppers 325 having wedge surfaces 326 inclined toward ends of the coupling plate 323 adjacent thereto; the locking block is provided with a trapezoidal opening which is provided with an inclined plane which is attached and clamped with the wedge-shaped surface 326; in the length direction of the connecting plate 323, the inclined directions of the wedge surfaces 326 of the two fixed stoppers 325 on the connecting plate 323 are deviated from each other, and the trapezoidal openings of the two locking blocks are opposite. The slope of the ramp surface is consistent with the slope of the wedge surface 326 in this embodiment to provide a snug fit between the locking block and the bearing block. Of course, it is also preferable that the fixed stopper 325 has a stepped bayonet facing the end of the connecting plate 323, and the locking block has a stepped notch matching with the stepped bayonet, so as to realize the clamping and locking between the locking block and the fixed stopper 325.

In some preferred embodiments, the locking block comprises a base and a clamping portion disposed on the base, the base comprises a first bottom plate 327, a second bottom plate 328 parallel to the first bottom plate 327, and a first upright 329 disposed between the first bottom plate 327 and the second bottom plate 328, the first upright 329 vertically connects the first bottom plate 327 and the second bottom plate 328;

in the length direction of the connecting plates 323, the width of the first bottom plate 327 is smaller than that of the through holes 324, the first bottom plate 327 is slidably supported in a group of through holes 324 opposite to the two connecting plates 323, the second bottom plate 328 is slidably supported at the top ends of the two connecting plates 323, and the first vertical plate 329 is parallel to the connecting plates 323 and is positioned between the two connecting plates 323; in a direction perpendicular to the second bottom plate 328, the second bottom plate 328 has a trapezoidal notch facing the trapezoidal opening.

By adopting the structure, the connection between the locking block and the two connecting plates 323 is realized through the first bottom plate 327 and the second bottom plate 328, the structure is compact, and the operation is convenient.

In some preferred embodiments, the fastening portion includes a second vertical plate 3210, a third vertical plate 3211, a fourth vertical plate 3212 connecting the second vertical plate 3210 and the third vertical plate 3211, and a fastening plate 3213 connecting the second vertical plate 3210 and the third vertical plate 3211, where the second vertical plate 3210, the third vertical plate 3211, and the fourth vertical plate 3212 are all vertically connected to the second bottom plate 328, the fourth vertical plate 3212 is perpendicular to the length direction of the connecting plate 323, the fourth vertical plate 3212 is provided with a through hole 324 (not shown in the drawings) for passing a connecting fastener, and the fastening plate 3213 is parallel to the second bottom plate 328;

the second vertical plate 3210, the third vertical plate 3211 and the fourth vertical plate 3212 form a trapezoidal opening, and the inner walls of the second bottom plate 328 opposite to the fourth bottom plate are inclined planes.

In the preferred embodiment, the inclined surface is perpendicular to the first bottom plate 327, and accordingly the wedge surface 326 attached to the inclined surface is also perpendicular to the first bottom plate 327; second riser 3210 and third riser 3211 extrude the wedge face 326 of fixed dog 325, avoid second riser 3210 or third riser 3211 to take place the condition of rupture, set up fastening plate 3213 and connect second riser 3210 and third riser 3211, for further improving the stability of trapezoidal open structure, set up fastening plate 3213 and link to each other with second riser 3210, third riser 3211 and fourth riser 3212. Referring to fig. 7, the fixed stoppers 325 on the two connecting plates 323 are identical in structure and opposite to each other, the second vertical plate 3210, the third vertical plate 3211 and the fourth vertical plate 3212 form an isosceles trapezoid opening, and when the locking block is attached to and clasps the fixed stoppers 325, the extrusion force applied to each fixed stopper 325 and the stress applied to the second vertical plate 3210 and the third vertical plate 3211 are uniform, which is beneficial to improving the stability of the overall structure of the tensioning mechanism 320.

In some preferred embodiments, in the length direction of the connecting plate 323, the trapezoidal opening and the first bottom plate 327 are disposed on two sides of the fourth vertical plate 3212, and the second vertical plate 3210, the third vertical plate 3211, and the fourth vertical plate 3212 are disposed on the same side of the first bottom plate 327. With the above structure, the portion of the inclined surface of the trapezoidal opening that can be attached to the wedge surface 326 of the fixed stopper 325 is larger. When the tensioning mechanism 320 is applied to a tire burst emergency safety device, there is a moderate slack adjustment space according to the size of the rim.

In some preferred embodiments, two parallel and opposite reinforcing rib plates 3214 are further vertically connected to the surface of the second bottom plate 328, the reinforcing rib plates 3214 are parallel to the first vertical plate 329, and the reinforcing rib plates 3214 are connected to the fourth vertical plate 3212 and located on the side away from the trapezoidal opening, the reinforcing rib plates 3214 are used to further improve the stability of the trapezoidal opening structure, and the through holes 324 are preferably disposed between the two reinforcing rib 3116 plates.

In certain preferred embodiments, referring to fig. 7, the connecting fastener includes a threaded cylindrical member and a nut 3215 in threaded connection with the threaded cylindrical member, the threaded cylindrical member passes through the through holes 324 on the two locking blocks along the length direction of the connecting plate 323, preferably, the threaded cylindrical member is a bolt 3216, the bolt 3216 passes through the through holes 324 on the two locking blocks, the bolt 3216 is in threaded connection with the nut 3215, and a nut and the nut 3215 of the bolt 3216 respectively abut against the fourth vertical plates 3212 of the two locking blocks, and locking is achieved along the axial direction of the bolt 3216. In this embodiment, the threaded cylindrical member is not limited to the bolt 3216, but may be a stud or a screw.

Different from the connection fastener in fig. 7 (a structure in which a bolt 3216 is connected to a nut 3215), referring to fig. 8, an embodiment of the present invention further provides a connection fastener, which includes a rod 3217, wherein the rod 3217 penetrates through the through holes 324 of the two locking blocks along the length direction of the connecting plate 323; one end of the rod body 3217 is provided with a second stopper 3218 for abutting against the fourth vertical plate 3212, the other end of the rod body 3217 is hinged to an eccentric cam 3219 for abutting against the fourth vertical plate 3212, the eccentric cam 3219 is provided with a limit groove 3220 adapted to the rod body 3217, and the eccentric cam 3219 is connected to a driving handle 3221.

A first shaft hole 3222 is formed at the other end of the rod body 3217, an axis of the first shaft hole 3222 is perpendicular to the length direction of the connecting plate 323, a second shaft hole 3223 extending along the axial direction of the eccentric cam 3219 is formed, the other end of the rod body 3217 is embedded in the limiting groove 3220, and a hinge shaft (not shown in the figure) penetrates through the first shaft hole 3222 and the second shaft hole 3223, so that the eccentric cam 3219 is rotatably connected with the other end of the rod body 3217.

Corresponding to the structure of fig. 7, the bolt 3216 and the nut 3215 are replaced by the connecting fastener shown in fig. 8, the stopper abuts against the fourth vertical plate 3212 of one locking block, the driving handle 3221 is rotated to drive the eccentric cam 3219 to extrude or release the fourth vertical plate 3212 of the other locking block, and when the eccentric cam 3219 extrudes the fourth vertical plate 3212, the two locking blocks are in extruding contact with the fixed stopper 325.

According to the above-mentioned scheme, the approach of the two locking blocks is realized in the length direction of the connecting plate 323 through the connecting fastener, so that the two connecting plates 323 are relatively close, that is, the first connecting piece 321 and the second connecting piece 322 are relatively close.

Referring to fig. 9-10, the present application further provides a wheel, which includes a split rim 100 and a tire 200, the split rim 100 has an annular mounting groove, the tire 200 is mounted in the annular mounting groove, a tire burst emergency safety device for the split rim is further mounted in the annular mounting groove, a support ring 300 of the tire burst emergency safety device is located between two beads 210 of the tire 200, and abutting surfaces 3111 on two ends of the annular body are respectively abutted and matched with inner sidewalls of adjacent beads 210.

In the present embodiment, the tire 200 is mounted in an annular mounting groove on the split rim 100, wherein two beads 210 oppositely disposed in the tire 200 are mounted on two rims 111 of the split rim 100, respectively. The support ring 300 of the flat tire emergency safety device is mounted in the annular mounting groove and between the two beads 210 of the tire 200. The abutting surfaces 3111 on the two end surfaces of the support ring 300 are respectively abutted and matched with the inner side walls of the corresponding tire beads 210, and further abutted and matched with the inner side walls of the adjacent tire beads 210 so as to clamp the tire beads 210 between the support ring 300 and the rim 111 of the split type rim 100, so that the problem that the tire 200 is separated from the rim when the tire is blown out is avoided, the tire 200 serves as a cushion pad to maintain the normal rotation of the wheel, and the danger caused by the tire blowing out is reduced.

In addition, the installation process of the emergency safety device for a tire burst is further described in detail, and specifically as follows:

mounting the flat tire emergency safety device between two beads 210 of the tire 200, and arranging the flat tire emergency safety device and the tire 200 concentrically or substantially concentrically;

press-fitting the tire 200 with the flat tire emergency safety device mounted thereon onto the rim base 110, and adjusting the tightness of the flat tire emergency safety device to a specified value;

the rim flange 120 is fixedly attached to the rim base 110 by bolt fasteners.

It will be understood that any orientation or positional relationship indicated above with respect to the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., is based on the orientation or positional relationship shown in the drawings and is for convenience in describing and simplifying the invention, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered limiting of the invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The utility model provides an emergent safety device of flat tire for split type rim, the last annular mounting groove that is used for installing the tire that has of split type rim, its characterized in that, emergent safety device of flat tire includes the support ring, the support ring can install in the annular mounting groove and be located between two tire beads of tire, the both ends face of support ring all including be used for with adjacent the inside wall butt complex butt face of tire bead.

2. The emergency safety device for a burst tire for a split rim of claim 1 wherein the support ring comprises an annular body having an opening; the support ring further comprises a tensioning mechanism used for adjusting the size of the opening, and the tensioning mechanism is located at the opening and is respectively connected with the two ends of the annular main body at the opening in a rotating mode.

3. The emergency safety device for a burst tire of a split type rim according to claim 2, wherein the annular body comprises a plurality of support plates arranged along a circumferential direction, adjacent two support plates are rotatably connected with each other, and the support plates are at least partially the abutting surfaces along two opposite side surfaces of the support ring in the axial direction.

4. The tire burst emergency safety device for split type rims, according to claim 3, wherein two adjacent support plates are rotatably connected through a rotary connecting piece, the rotary connecting piece comprises a rotating shaft and a plurality of connecting columns installed on the rotating shaft, the connecting columns are arranged along the axial direction of the rotating shaft, the connecting columns comprise a plurality of first connecting columns and a plurality of second connecting columns, the first connecting columns and the second connecting columns are respectively and fixedly connected to the adjacent ends of the two support plates, and at least one of the first connecting columns and the second connecting columns is movably installed on the rotating shaft.

5. The tire burst emergency safety device for split type rims of claim 4, wherein the plurality of first connecting columns and the plurality of second connecting columns are sequentially and crosswise arranged along the axial direction of the rotating shaft.

6. The emergency safety device for a split rim tire burst as claimed in claim 3, wherein at least two of the adjacent support plates have a first stop portion on the inner sidewall of at least one of the support plates, the first stop portion being adapted to be in limiting contact with the inner sidewall of the other support plate.

7. The tire burst emergency safety device for split type rims of claim 3, wherein a cushion block is fixedly connected to the inner side wall of the support plate, the cushion block comprises a contact surface for contacting with the bottom surface of the annular mounting groove, and the contact surface is located on one side of the cushion block, which is far away from the support plate.

8. The tire burst emergency safety device for the split-type rim as claimed in claim 7, wherein a positioning protrusion is provided on an end of the cushion block facing away from the contact surface, and a positioning groove in positioning fit with the positioning protrusion is provided on an inner side wall of the support plate.

9. The tire burst emergency safety device for the split type rim according to claim 7, wherein the opposite ends of the cushion block are respectively provided with a hook, and a slot matched with each hook is arranged on the inner side wall of the support plate.

10. The tire burst emergency safety device for the split-type rim according to claim 7, wherein one end of the cushion block is provided with a support portion, the support portion extends to the support plate where the cushion block is located on the rotary connecting piece at the same end, one end of the support portion, which is away from the contact surface, is provided with a support surface facing a first connecting column or a second connecting column, which is not fixedly connected with the support plate where the cushion block is located, in the rotary connecting piece, and the support surface is used for being in limit fit with the first connecting column or the second connecting column.

11. The emergency safety device for a split rim tire burst as claimed in claim 10, wherein at least part of the inner sidewall of the support plate is fixedly connected with more than two of the cushion blocks; and the supporting parts of one part of the cushion blocks and the supporting parts of the other part of the cushion blocks are arranged in a back-to-back mode.

12. The tire burst emergency safety device for split type wheel rims of claim 4, wherein the tensioning mechanism comprises two connecting ends which are oppositely arranged, and the two connecting ends are correspondingly connected with the two ends of the annular main body at the opening through the rotary connecting piece.

13. A wheel comprising a split rim and a tire, the split rim having an annular mounting groove thereon, the tire being mounted in the annular mounting groove, wherein the annular mounting groove further has mounted therein a flat tire emergency safety device for a split rim as claimed in any one of claims 1 to 12, the support ring of the flat tire emergency safety device being located between two beads of the tire, and abutting surfaces on both ends of the annular body being respectively fitted against inner side walls of the adjacent beads.