CN217778256U - Emergency chain with anti-displacement device - Google Patents
Emergency chain with anti-displacement device Download PDFInfo
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- CN217778256U CN217778256U CN202221473548.4U CN202221473548U CN217778256U CN 217778256 U CN217778256 U CN 217778256U CN 202221473548 U CN202221473548 U CN 202221473548U CN 217778256 U CN217778256 U CN 217778256U
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Abstract
The utility model relates to an antiskid chain field especially relates to an emergent chain with prevent displacement device. An emergency chain with an anti-displacement device comprises a plurality of emergency chain units which are arranged at different positions along the circumferential direction of a tire and are bound on the tire and a wheel hub; the emergency chain unit comprises a transition chain, a connecting sheet, a locking sheet and a binding belt, wherein the transition chain is used for being arranged on the tire tread of the tire, the connecting sheet and the locking sheet are connected to the inner end portion and the outer end portion of the transition chain, and the binding belt is connected with the connecting sheet at the end portion; the other end of the ribbon is connected to the locking piece by bypassing the hub. The emergency chain unit further comprises an anti-shifting device, the anti-shifting device comprises a plurality of sections of elastic tensioning assemblies which are radially arranged and connected with each other at inner ends, and the outer ends of the elastic tensioning assemblies are detachably connected to the locking pieces of the emergency chain units respectively. This emergent chain adopts and prevents radial inside taut stay of shifter to provide the location at emergent chain week ascending, thereby ensure driving safety, avoid the potential safety hazard.
Description
Technical Field
The utility model relates to an antiskid chain field especially relates to an emergent chain with prevent gearshift.
Background
The antiskid chain is as sleet weather automobile antiskid equipment commonly used, has the important function to the safe travel of car, and the antiskid chain of installing need keep appropriate elasticity in tire week side, prevents that the antiskid chain pine from taking off in the automobile driving process, goes to cause harm to the vehicle, can carry out the tensioning to the antiskid chain at automobile wheel hub side usually and fix.
There are two types of existing anti-skid chains, one type is a fully-wrapped type anti-skid chain, such as the technical scheme described in the chinese utility model patents with publication numbers "CN200984948Y" and "CN211000792U", and such anti-skid chains include an outer chain, an inner chain, and a plurality of transition chains connected between the outer chain and the inner chain, and such anti-skid chains surround the tread of the whole tire when in use. The other antiskid chain is an emergency chain, is mainly used in an emergency state and belongs to temporary use; such emergency chains are bound to the tire and the hub when in use and only cover a part of the tread of the tire, as described in the chinese utility model patents with publication numbers "CN209869989U" and "CN 201009693Y".
Referring to the emergency chain described in the above-mentioned prior patent, in use, the transition chain is laid on the tire tread, and the connecting pieces and locking pieces on both sides are fastened by a tie passing around the inner wall surface of the hub. Ideally, the connecting sheet and the locking sheet are positioned on two sides of the tire tread, so that the driving of the wheel is not influenced. However, the above-mentioned fixing method of the emergency chain is mainly used to secure the emergency chain to the tire, and the emergency chain is not detached from the tire, but cannot provide positioning in the circumferential direction of the emergency chain (the circumferential direction is based on a ring formed by bundling the emergency chain). So, in the vehicle driving process, emergent chain inwards removes very easily, and the locking piece in this outside can be moved to the tire tread on, is damaged by the roll extrusion easily, and very easily leads to the tire to warp or be pricked, has great potential safety hazard.
Disclosure of Invention
In order to solve the problem, the utility model aims to provide an emergent chain with prevent gearshift, this emergent chain adopts and prevents radial inside taut stay of gearshift to upward location of providing is circled at emergent chain, thereby ensures driving safety, avoids the potential safety hazard.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an emergency chain with an anti-displacement device comprises a plurality of emergency chain units which are arranged at different positions along the circumferential direction of a tire and are bound on the tire and a wheel hub; the emergency chain unit comprises a transition chain, a connecting sheet, a locking sheet and a binding belt, wherein the transition chain is arranged on the tire surface of the tire, the connecting sheet and the locking sheet are connected to the inner end part and the outer end part of the transition chain, and the binding belt is connected with the connecting sheet at the end part; the other end of the binding belt is connected to the locking piece by bypassing the hub; the method is characterized in that: the emergency chain unit further comprises an anti-shifting device, the anti-shifting device comprises a plurality of sections of elastic tensioning assemblies which are radially arranged and connected with each other at inner ends, and the outer ends of the elastic tensioning assemblies are detachably connected to the locking pieces of the emergency chain units respectively.
The utility model adopts the above technical scheme, this technical scheme relates to an emergency chain with anti-displacement device, and the structure of emergency chain unit wherein and the mode of use are basically the same with current emergency chain, all twine emergency chain unit, tie up on tire and wheel hub, and transition chain wherein need arrange on the tire tread for increase tire grip, place and skid; and link to each other through the ribbon between connection piece and the stay, the ribbon is walked around wheel hub internal face, and the stay is used for binding the ribbon, adjusts the elasticity.
On this basis, the emergent chain of this scheme still is equipped with prevents the shifter, prevents the shifter setting in the outside of wheel during the installation, prevents the shifter and is equipped with the taut subassembly of multiunit elasticity of radial arrangement, and it can be understood, the quantity of the taut subassembly of elasticity should be unanimous with the quantity of emergent chain unit, and the outer tip of the taut subassembly of elasticity is connected on the locking piece of emergent chain unit. Thus, the elastic tensioning assembly can radially and inwardly tension the locking sheet based on the elasticity of the elastic tensioning assembly, so that the locking sheet is not moved to the tire tread in the driving process as recorded in the background art, the driving safety is ensured, and the potential safety hazard is avoided.
In a particular embodiment, the elastic tensioning assembly includes an elastic band, and a hook attached to an outer end of the elastic band; the locking piece is provided with a hanging opening, and the hook can be hooked on the hanging opening. In the scheme, the hook is used for hooking the hanging opening, and the disassembly and the assembly are both convenient; and under the elastic tightening state of the elastic belt, the hook is generally difficult to disengage from the hanging opening, thereby ensuring firm connection.
In one embodiment, the elastic belts on the two groups of elastic tensioning assemblies are integrally connected to form an elastic pull rope, and the middle part of the elastic pull rope passes through the radial center of the tire. In the technical scheme, the two elastic belts adopt the same elastic pull rope, namely the elastic pull rope is divided into the two elastic belts by taking the middle part (the radial center of the vehicle) as a boundary and is used for respectively connecting the two emergency chain units. This scheme structure is comparatively simple, construction cost is lower to the stretch-proofing ability of same root elasticity stay cord is stronger, compares in the scheme that many elastic webbing inner links to each other, and the stretch-proofing intensity of the elasticity rope in this scheme is higher.
On the basis of the scheme, at least two elastic pull ropes are constructed, and the middle parts of the two elastic pull ropes are converged at the radial center of the tire and are tied and connected through a connecting part. The advantages of this structure are: on one hand, two or more elastic pull ropes are bound together, each elastic belt is radially tightened, and during work, a plurality of elastic belts are radially restricted with each other, so that the situation that a certain elastic belt is insufficient in stretching force or is excessively stretched is avoided. On the other hand, based on the structure, the middle part of the elastic pull rope can pass through the radial center of the tire, and if the middle part of the elastic pull rope does not pass through the radial center of the tire, the hooks at two ends of the same elastic pull rope can only be arranged at 180 degrees along the radial direction of the wheel, so that the shape of the hub assembled by the elastic pull rope is greatly restrained; under this scheme, the both ends couple on the same elasticity stay cord can the arbitrary angle be arranged relatively the wheel, and the suitability is wider.
In another possible embodiment, the inner ends of the elastic belts of the elastic tensioning assemblies of the plurality of groups meet at the radial center of the tire and are connected by a connecting member. In the scheme, the elastic belts of each elastic tensioning assembly are mutually independent, and the inner end parts of the elastic tensioning assemblies are connected with the connecting parts, so that the locking sheets are tensioned inwards in the radial direction.
Preferably, the elastic belt is an elastic rubber belt, and the elastic rubber belt has better elastic stretching capacity.
Preferably, the hook is a spring hook, the connecting end of the spring hook is spirally wound to form a spring ring, and the spring ring is sleeved on the elastic belt and can slide along the elastic belt; and a limiting part for limiting the spring ring to be separated is constructed on the outer end part of the elastic belt. In the scheme, the elastic belt is sleeved with the spring hook, so that the hook has certain elastic deformation capacity to prevent the hook from being torn off by external force in an extreme environment, and the spring hook is sleeved on the elastic belt and limited and prevented from falling off by the limiting component, so that the spring hook can move along the elastic belt and has a larger pulling space; and provides stronger anti-falling limiting force under the condition of not damaging the elastic belt.
Furthermore, the outer end part of the elastic belt is provided with a bending part, and the limiting component is a limiting check ring sleeved on the elastic belt and the bending part thereof. The limiting retainer ring is tightly sleeved on the elastic belt and the bending part of the elastic belt, the inner diameter of the limiting retainer ring can be smaller than the stacking width of the elastic belt at the bending position, the outer diameter of the limiting retainer ring can be larger than the minimum inner diameter of the spring ring, so that the elastic belt limits the limiting retainer ring, the limiting retainer ring limits the spring hook, and the anti-falling effect is better.
Preferably, the spring ring of the spring hook is at least partially arranged on the opposite side of the hook part of the spring hook, and a notch of the hook groove is formed between the spring ring and the hook part; the hanging opening is formed in the side wall of the locking sheet, and when the spring hook is hung on the hanging opening, the spring ring of the spring hook is located on the outer side of the end portion of the locking sheet. After the hook is hung, the locking sheets on the outer side of the hanging opening are all embedded into the spring hook, so that the locking sheets and the spring hook are difficult to separate due to pulling and shaking generated in use; on the other hand, when the suspension type elastic band is in a suspension state, the spring hook is attached to the locking piece, and the elastic band submits radial stretching force.
Drawings
Fig. 1 is a schematic view of an emergency chain with an anti-displacement device.
Fig. 2 is a schematic structural view of the anti-displacement device.
Fig. 3 is a schematic structural view of the spring hook.
Fig. 4 is a schematic structural view of the elastic pulling rope.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present 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, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 4, the present embodiment relates to an emergency chain having a displacement prevention device, including a displacement prevention device 1, and a plurality of emergency chain units 2 arranged at different positions in a tire circumferential direction and bound to a tire and a hub.
The emergency chain unit 2 comprises a transition chain 21 arranged on the tire tread, a connecting piece and a locking piece 22 connected to the inner end and the outer end of the transition chain 21, and a cable tie with the end connected with the connecting piece, wherein the other end of the cable tie is connected to the locking piece 22 by bypassing a wheel hub. The technical scheme relates to an emergency chain with an anti-displacement device 1, wherein the structure and the use mode of an emergency chain unit 2 are basically the same as those of the existing emergency chain, the emergency chain unit 2 is wound and tied on a tire and a wheel hub, and a transition chain 21 needs to be arranged on the tire tread for increasing the grip force of the tire and preventing the tire from slipping. The connecting sheets and the locking sheets 22 are connected through a binding belt, the binding belt bypasses the inner wall surface of the hub, and the locking sheets 22 are used for tightly binding the binding belt to adjust the tightness. For the specific structure of the emergency chain, refer to the implementation of the scheme described in the chinese utility model patent with publication numbers "CN209869989U" and "CN201009693Y", and no description is provided herein.
On the basis, the scheme adopts the emergency chain as shown in fig. 1 and 2, and is further provided with the anti-displacement device 1, wherein the anti-displacement device 1 comprises a plurality of sections of elastic tensioning assemblies which are arranged in a radial mode and the inner ends of the elastic tensioning assemblies are connected, and the outer ends of the elastic tensioning assemblies are respectively detachably connected to the locking sheets 22 of the emergency chain units 2. The anti-displacement device 1 is arranged on the outer side of the wheel during installation, the anti-displacement device 1 is provided with a plurality of groups of elastic tensioning assemblies which are radially arranged, it can be understood that the number of the elastic tensioning assemblies is consistent with that of the emergency chain units 2, and the outer end parts of the elastic tensioning assemblies are connected to the locking sheets 22 of the emergency chain units. In this way, the elastic tensioning assembly can radially inwardly tension the locking piece 22 due to its elasticity, thereby providing a positioning in the circumferential direction of the emergency chain, so that the locking piece 22 does not move onto the tire tread during driving, as described in the background art, thereby ensuring driving safety and avoiding potential safety hazards.
In the particular embodiment shown in the figures, the elastic tensioning assembly comprises an elastic band 11 and a hook 12 attached to the outer end of the elastic band 11. The locking piece 22 is provided with a hanging opening 221, and the hook 12 can be hooked on the hanging opening 221. In this scheme, couple 12 is used for hooking on hanging the mouth 221, and the dismouting is all comparatively convenient. And the hook 12 is generally difficult to be released from the hanging opening 221 in an elastically tightened state of the elastic band 11, thereby securing a firm connection. The elastic band 11 is preferably an elastic rubber band because of its good elastic stretchability.
Based on the above scheme, the following two embodiments can be adopted to implement the following steps:
embodiment 1 referring to fig. 1, 2 and 4, two sets of elastic belts 11 of the elastic tension members are integrally connected to form an elastic cord 10, and the middle of the elastic cord 10 passes through the radial center of the tire. In the technical scheme, the two elastic belts 11 adopt the same elastic pull rope 10, that is, the elastic pull rope 10 is divided into the two elastic belts 11 by taking the middle part (the radial center of the vehicle) as a boundary, and the two elastic belts 11 are used for respectively connecting the two emergency chain units 2. The scheme has the advantages of simple structure and low construction cost, the same elastic stay cord 10 has high tensile resistance, and compared with the scheme that the inner ends of a plurality of elastic belts 11 are connected, the tensile strength of the elastic stay cord in the scheme is high.
At least two elastic cords 10 are constructed as shown in the figure, and the middle parts of the two elastic cords 10 meet at the radial center of the tire and are tied and connected by a connecting component, here shown as a rubber band connecting ring 14. The advantages of this structure are: on one hand, two or more elastic pull ropes 10 are bound together, each elastic belt 11 is radially tightened, and during work, a plurality of elastic belts 11 are radially restricted with each other, so that the situation that the stretching force of one elastic belt 11 is insufficient or over-stretched is avoided. On the other hand, based on the structure, the middle part of the elastic pull rope 10 passes through the radial center of the tire, and if the two end hooks 12 on the same elastic pull rope 10 are only arranged at 180 degrees along the radial direction of the wheel, the shape of the hub assembled by the elastic pull rope is restrained greatly. Under the scheme, the hooks 12 at two ends of the same elastic pull rope 10 can be arranged at any angle relative to the wheels, and the applicability is wide.
Embodiment 2 is schematically illustrated, but as may be suggested by the person skilled in the art: the inner ends of the elastic belts 11 of the elastic tensioning assemblies meet at the radial center of the tire and are connected through a connecting component. In this embodiment, the elastic bands 11 of each elastic tightening unit are independent of each other, and the inner ends thereof are connected to the connecting members, thereby tightening the locking pieces 22 inward in the radial direction.
In both embodiments, the hook 12 is preferably a snap hook. As shown in FIG. 3, the connecting end of the spring hook is spirally wound to form a spring ring 121, and the spring ring 121 is sleeved on the elastic band 11 and can slide along the elastic band 11. A stopper 13 for restricting the disengagement of the spring coil 121 is formed on the outer end of the elastic band 11. In this scheme, adopt the spring hook cover to locate elastic webbing 11 on the one hand, make couple 12 have certain elastic deformation ability, avoid extreme environment under couple 12 pulled apart by external force, on the other hand spring hook cover is located elastic webbing 11 and is adopted the spacing anticreep of stop part 13, can make the spring hook move along elastic webbing 11, has great dragging space. And provides a strong anti-slip limiting force without damaging the elastic band 11.
Further, the spring ring 121 of the spring hook is at least partially on the opposite side of the hook portion 122 thereof, and a notch 124 of the hook groove 123 is formed between the spring ring 121 and the hook portion 122. The hanging opening 221 is formed in the side wall of the locking piece 22, and when the spring hook is hung on the hanging opening 221, the spring ring 121 of the spring hook is located on the outer side of the end portion of the locking piece 22. That is, after the suspension, the locking piece 22 outside the hanging opening 221 is embedded in the spring hook, and therefore, the locking piece 22 is difficult to separate from the spring hook by pulling and shaking generated during use. On the other hand, in the suspended state, the spring hook abuts against the locking piece 22, and the elastic band 11 applies a radial tensile force.
As shown in fig. 4, a bent portion 111 is disposed on an outer end of the elastic band 11, and the limiting component 13 is a limiting retainer ring sleeved on the elastic band 11 and the bent portion 111 thereof. The limiting retainer ring is tightly sleeved on the elastic band 11 and the bending part 111 thereof, the inner diameter of the limiting retainer ring can be smaller than the stacking width of the elastic band 11 at the bending position, and the outer diameter of the limiting retainer ring can be larger than the minimum inner diameter of the spring ring 121, so that the elastic band 11 limits the limiting retainer ring, the limiting retainer ring limits the spring hook, and the anti-falling effect is better.
When the emergency chain with the structure is used, a plurality of emergency chain units 2 are bound at proper positions on a tire and a hub based on the shape of the hub, and then the hook 12 on the outer end part of each elastic tensioning component in the anti-displacement device 1 is clamped into the hanging opening 221 on the locking sheet 22, so that the installation is completed. Compared with the existing emergency chain, the emergency chain has the advantages that only one step is added, and the driving safety can be greatly improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (9)
1. An emergency chain with an anti-displacement device comprises a plurality of emergency chain units (2) arranged at different positions along the circumferential direction of a tire and bound on the tire and a wheel hub; the emergency chain unit (2) comprises a transition chain (21) arranged on the tire tread, a connecting piece and a locking piece (22) connected to the inner end part and the outer end part of the transition chain (21), and a binding belt with the end part connected with the connecting piece; the other end of the binding belt is connected to the locking sheet (22) by bypassing the hub; the method is characterized in that: the emergency chain unit is characterized by further comprising an anti-displacement device (1), wherein the anti-displacement device (1) comprises a plurality of sections of elastic tensioning assemblies which are radially arranged and the inner ends of the elastic tensioning assemblies are connected, and the outer ends of the elastic tensioning assemblies are detachably connected to the locking pieces (22) of the emergency chain units (2) respectively.
2. An emergency chain with an anti-displacement device according to claim 1, characterized in that: the elastic tensioning component comprises an elastic belt (11) and a hook (12) connected to the outer end part of the elastic belt (11); the locking piece (22) is provided with a hanging opening (221), and the hook (12) can be hooked on the hanging opening (221).
3. An emergency chain with an anti-displacement device according to claim 2, characterized in that: the elastic belts (11) on the two groups of elastic tensioning assemblies are integrally connected to form an elastic pull rope (10), and the middle part of the elastic pull rope (10) passes through the radial center of the tire.
4. An emergency chain with an anti-displacement device according to claim 3, characterized in that: at least two elastic pull ropes (10) are constructed, and the middle parts of the two elastic pull ropes (10) are converged at the radial center of the tire and connected in a bundling way through a connecting component.
5. An emergency chain with an anti-displacement device according to claim 2, characterized in that: the inner ends of the elastic belts (11) of the elastic tensioning assemblies are intersected at the radial center of the tire and connected through a connecting component.
6. An emergency chain with an anti-displacement device according to claim 2, characterized in that: the elastic belt (11) is an elastic rubber belt.
7. An emergency chain with an anti-displacement device according to claim 2, characterized in that: the hook (12) is a spring hook, the connecting end of the spring hook is spirally wound to form a spring ring (121), and the spring ring (121) is sleeved on the elastic belt (11) and can slide along the elastic belt (11); a limiting part (13) for limiting the disengagement of the spring ring (121) is constructed on the outer end part of the elastic belt (11).
8. An emergency chain with an anti-displacement device according to claim 7, characterized in that: the outer end part of the elastic belt (11) is provided with a bending part (111), and the limiting part (13) is a limiting check ring sleeved on the elastic belt (11) and the bending part (111) thereof.
9. An emergency chain with an anti-displacement device according to claim 7, characterized in that: the spring ring (121) of the spring hook is at least partially arranged on the opposite side of the hook part (122) of the spring hook, and a notch (124) of a hook groove (123) is formed between the spring ring (121) and the hook part (122); the hanging opening (221) is formed in the side wall of the locking sheet (22), and when the spring hook is hung on the hanging opening (221), the spring ring (121) of the spring hook is located on the outer side of the end portion of the locking sheet (22).
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CN202221473548.4U CN217778256U (en) | 2022-06-10 | 2022-06-10 | Emergency chain with anti-displacement device |
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CN202221473548.4U CN217778256U (en) | 2022-06-10 | 2022-06-10 | Emergency chain with anti-displacement device |
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CN217778256U true CN217778256U (en) | 2022-11-11 |
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CN202221473548.4U Active CN217778256U (en) | 2022-06-10 | 2022-06-10 | Emergency chain with anti-displacement device |
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- 2022-06-10 CN CN202221473548.4U patent/CN217778256U/en active Active
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