CN215662803U - Locking device and automobile anti-skid chain with same - Google Patents

Abstract

The utility model relates to the field of vehicle safety, in particular to a locker and an automobile anti-skid chain with the locker. A locker comprises a tensioning rope which can be connected end to form a ring shape, and a plurality of lock hooks sleeved on the tensioning rope; the lock hook can slide along the axial direction of the tensioning rope; the tensioning rope is a spring rope spirally wound so as to have elastic force stretching and deforming along the axial direction of the tensioning rope. This locker adopts the spring rope who sets up for the spiral winding, compares in the current scheme that taut rope adopted the rubber rope, and the spring rope in this scheme can not lead to its fracture because of ambient temperature changes, and stability and security are better.

Description

Locking device and automobile anti-skid chain with same

Technical Field

The utility model relates to the field of vehicle safety, in particular to a locker and an automobile anti-skid chain with the locker.

Background

The antiskid chain is taken as common equipment for automobile antiskid in rainy and snowy weather, has an important role in the safe driving of automobiles, the installed antiskid chain needs to keep proper tightness at the periphery of a tire, the antiskid chain is prevented from loosening and causing damage to the driving of the automobiles in the driving process of the automobiles, the antiskid chain can be tensioned and fixed on the side surface of an automobile hub, the traditional antiskid chain tensioning device is connected with a hook on the antiskid chain through an annular rubber rope, the antiskid chain is tensioned, rubber has certain brittleness at low temperature, when the automobiles are bumped during the driving, the tire deforms and extrudes the antiskid chain, the rubber rope is easy to break, potential safety hazards are caused, and when the antiskid chain is tensioned by using the rubber rope, the diameter of the rubber rope is usually small, the rubber rope needs to be pulled open forcibly, the antiskid chain is hung on the rubber rope, the physical consumption of operators is large, adopt rigidity overspeed device tensioner to carry out the tyre chain tensioning, when the vehicle jolts the tire and takes place deformation, the tyre chain has tightened too tightly to the tire, causes the influence to tire life easily, and the result of use is not good.

Disclosure of Invention

In order to solve the above problems, a first object of the present invention is to provide a locking device, which uses a spring rope spirally wound, and compared with the existing solution that uses a rubber rope as a tensioning rope, the spring rope in the solution will not break due to environmental temperature changes, and has better stability and safety.

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

a locker comprises a tensioning rope which can be connected end to form a ring shape, and a plurality of lock hooks sleeved on the tensioning rope; the lock hook can slide along the axial direction of the tensioning rope; the method is characterized in that: the tensioning rope is a spring rope spirally wound so as to have elastic force stretching and deforming along the axial direction of the tensioning rope.

The utility model adopts the technical scheme, and relates to a locker, which adopts the tensioning rope and the plurality of lock hooks in the traditional scheme, thereby continuing the advantages of simplified structure, reduced manufacturing cost and convenient storage and transportation. On the basis, the tensioning rope is a spring rope spirally wound in the scheme, and the spring rope has elastic force of axial stretching deformation. When the locker is used, the tensioning ropes are connected end to form a ring shape, and the lock hooks hook the anti-skid chains on the tire; the elastic force of the spring can enable the tensioning rope to be in a tensioned state, so that the anti-skid chain is tensioned through the lock hook. Compare in the current scheme that the taut rope adopted the rubber rope, the spring rope in this scheme can not lead to its fracture because of ambient temperature changes, and stability and security are better.

Preferably, the head end and the tail end of the tensioning rope are mutually connected and fixed through a connecting piece. The connecting piece in this scheme is in order to connect the head and the tail both ends of taut rope, can select for use any one existing known connecting piece structure.

In a specific embodiment, the connecting member is a core wire, and two end portions of the core wire respectively extend into and are tightly matched with the head end and the tail end of the tensioning rope. What this scheme recorded is one of them connecting piece structure, this connecting piece adopts the heart yearn, and the tip of heart yearn can stretch into the inside of taut rope and connect through the tight fit mode. By adopting the structure, when the tensioning ropes are connected end to form a ring shape, the tensioning ropes can be observed from the outside, and the core wires cannot be observed, namely, the core wires are hidden connecting pieces.

When the locker is used, the anti-skid chain needs to be tensioned by the hook, namely the tensioning rope needs to provide stable and reliable tension, and especially at the connection positions of the head end and the tail end of the tensioning rope, the risk of disengagement cannot be generated in use. However, on the basis of the scheme that the core wire is used as the hidden connecting piece, the simple tight-fit sleeving scheme cannot ensure stable tension, and the risk of disengagement is easily generated. In a further embodiment, the connecting element is a spring core wire spirally wound, the outer diameter of the spring core wire is matched with the inner diameters of the head and the tail of the tensioning rope, and the outer wall of the spring unit of the spring core wire is screwed into the groove between two adjacent spring units on the tensioning rope. What spring heart yearn and taut rope in this scheme adopted is that similar screw thread screws up the mode and connects, through twisting spring heart yearn and/or taut rope, can realize the connection or the separation of spring heart yearn and taut rope, it is very convenient and laborsaving. What is more critical is that after connection, the outer wall of the spring unit of the spring core wire is clamped into a groove between two adjacent spring units on the tensioning rope, and the spring unit plays a role in limiting and offsetting in the axial direction, so that the connection of the head end and the tail end of the tensioning rope is firm.

Preferably, the upper end of the lock hook is provided with a sleeve ring part, and the lower end of the lock hook is provided with a hook part; the lantern ring portion of latch hook cup joints on the taut rope.

A second object of the present invention is to provide a tire chain for a vehicle, which includes the above-mentioned locker; the method comprises the following steps: an automobile tyre chain comprises a tyre chain and a locker, wherein the tyre chain is used for wrapping an automobile tyre, and the locker is arranged on one side of a hub and used for connecting the tyre chain; the method is characterized in that: the locking device is the locking device, the tightening ropes of the locking device are connected end to form a ring, and the plurality of locking hooks are arranged along the length direction of the ring-shaped tightening rope and hook the anti-skid chain.

Drawings

Fig. 1 is a schematic view of a locking device in a closed ring state.

Fig. 2 is a schematic view of the locking device in an unclosed state.

Fig. 3 is a schematic structural view of the hook.

Fig. 4 is a schematic view of the structure of the spring core wire.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

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 and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered 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," "secured," and the like are to be construed broadly and can, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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.

Example 1:

as shown in fig. 1 to 4, the present embodiment relates to a locking device, which includes a tensioning rope 1 that can be connected end to form a ring shape, and a plurality of locking hooks 2 sleeved on the tensioning rope 1. As shown in fig. 3, the latch hook 2 has a collar portion 21 formed at an upper end thereof and a hook portion 22 formed at a lower end thereof. The collar part 21 of the lock hook 2 is sleeved on the tensioning rope 1, and the lock hook 2 can slide along the axial direction of the tensioning rope 1.

As shown in the figure, the tensioning rope 1 is a spring rope spirally wound, so that the tensioning rope 1 has an elastic force which is subjected to tensile deformation along the axial direction thereof. The head end and the tail end of the tensioning rope 1 are mutually connected and fixed through connecting pieces. The connecting piece in this scheme is for connecting the head and the tail both ends of taut rope 1, can select any one to have known connecting piece structure now. The locker adopts the tensioning rope 1 in the traditional scheme and the plurality of lock hooks 2 on the tensioning rope, so that the structure is simplified, the manufacturing cost is reduced, and the locker is convenient to store and transport. On the basis, the tensioning rope 1 is a spring rope which is spirally wound and has elastic force of axial tensile deformation. When the locker is used, the tensioning ropes 1 are connected end to form a ring shape, and the lock hooks 2 hook the anti-skid chain on the tire. The spring force can make the tensioning rope 1 in a tensioned state, thereby tensioning the anti-skid chain through the locking hook 2. Compare in the current scheme that taut rope 1 adopted the rubber rope, the spring rope in this scheme can not lead to its fracture because of ambient temperature changes, and stability and security are better.

In a specific embodiment, the connecting member is a core wire, and two end portions of the core wire respectively extend into and are tightly fitted with the inside of the head and the tail of the tensioning rope 1. What this scheme recorded is one of them connecting piece structure, and this connecting piece adopts the heart yearn, and the tip of heart yearn can stretch into the inside of taut rope 1 and connect through the tight fit mode. With the structure, when the tensioning ropes 1 are connected end to form a ring shape, only the tensioning ropes 1 can be observed from the outside, and the core wire cannot be observed, namely, the core wire is a hidden connecting piece.

Considering that the anti-skid chain needs to be tensioned by the tensioning rope 1 through the hook when the locker is used, namely the tensioning rope 1 needs to provide stable and reliable tension, and especially at the connection position of the head end and the tail end of the tensioning rope 1, the risk of disengagement cannot be generated during use. However, on the basis of the scheme that the core wire is used as the hidden connecting piece, the simple tight-fit sleeving scheme cannot ensure stable tension, and the risk of disengagement is easily generated. In a further embodiment, the connecting element is a spring core wire 3 spirally wound, the outer diameter of the spring core wire 3 is adapted to the inner diameter of the end to end of the tensioning rope 1, and the outer wall of the spring unit of the spring core wire 3 is screwed into the groove between two adjacent spring units on the tensioning rope 1. What spring heart yearn 3 and taut rope 1 adopted in this scheme is that similar screw thread screws up the mode and connects, through twisting spring heart yearn 3 and/or taut rope 1, can realize spring heart yearn 3 and taut rope 1's connection or disconnection, it is very convenient and laborsaving. What is more critical is that after connection, the outer wall of the spring unit of the spring core wire 3 is clamped into a groove between two adjacent spring units on the tensioning rope 1, and the spring units play a role in limiting and offsetting in the axial direction, so that the connection of the head end and the tail end of the tensioning rope 1 is ensured to be firm.

Example 2:

the embodiment provides an automobile tyre chain, and the automobile tyre chain is provided with the locker. The method comprises the following steps: an automobile tyre chain comprises a tyre chain and a locker, wherein the tyre chain is used for being wrapped on an automobile tyre, and the locker is arranged on one side of a hub and is used for being connected with the tyre chain. The locker is the locker as described in embodiment 1, the tightening rope 1 of the locker is connected end to form a ring, and the plurality of locking hooks 2 are arranged along the length direction of the ring-shaped tightening rope 1 and hook the anti-skid chain.

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 utility model. 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 above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.

Claims (6)

1. A locker comprises a tensioning rope (1) which can be connected end to form a ring shape, and a plurality of lock hooks (2) sleeved on the tensioning rope (1); the lock hook (2) can slide along the axial direction of the tensioning rope (1); the method is characterized in that: the tensioning rope (1) is a spring rope spirally wound so that the tensioning rope (1) has elastic force stretching and deforming along the axial direction of the tensioning rope.

2. The load binder of claim 1, wherein: the head end and the tail end of the tensioning rope (1) are mutually connected and fixed through connecting pieces.

3. The load binder of claim 2, wherein: the connecting piece is a core wire, and two end parts of the core wire respectively extend into the head end and the tail end of the tensioning rope (1) and are tightly matched with the head end and the tail end.

4. A load binder as claimed in claim 3, wherein: the connecting piece is a spring core wire (3) spirally wound, the outer diameter of the spring core wire (3) is matched with the inner diameters of the head end and the tail end of the tensioning rope (1), and the outer wall of the spring unit of the spring core wire (3) is screwed into a groove between two adjacent spring units on the tensioning rope (1).

5. A load binder as claimed in any one of claims 1 to 4, wherein: the upper end of the lock hook (2) is provided with a sleeve ring part (21), and the lower end is provided with a hook part (22); the lantern ring part (21) of the lock hook (2) is sleeved on the tensioning rope (1).

6. An automobile tyre chain comprises a tyre chain and a locker, wherein the tyre chain is used for wrapping an automobile tyre, and the locker is arranged on one side of a hub and used for connecting the tyre chain; the method is characterized in that: the locking device is as claimed in any one of claims 1 to 5, the tightening rope (1) of the locking device is connected end to form a ring, and the plurality of locking hooks (2) are arranged along the length direction of the ring-shaped tightening rope (1) and hook the anti-skid chain.

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