CN215662804U - Locking device and automobile anti-skid chain with same - Google Patents

Abstract

The utility model relates to the field of automobile safety, in particular to a locker and an automobile anti-skid chain with the locker. The locking device comprises a locking device component, a steel wire rope with one end connected and fixed on the locking device component, and a plurality of locking hooks penetrating through the steel wire rope; the locker assembly comprises a base, a winding part and a locking part, wherein the winding part and the locking part are arranged on the base; the winding part is rotatably arranged on the base, and the locking part can lock the winding part at least in the paying-off direction; the free end of the steel wire rope can be detachably connected to the winding part to form a ring. This locker has the advantage of simplifying the structure, the dismouting of being convenient for and regulation elasticity, and compare in the stability of rubber rope, the security is better, can not have the ambient temperature lower and the risk that bursts apart.

Description

Locking device and automobile anti-skid chain with same

Technical Field

The utility model relates to the field of automobile 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.

On the basis of the scheme, the U.S. patent application with the publication number of US6213421B1 discloses a clamping device of a tyre chain, wherein a shaft pin is formed inside a shell of the clamping device, and a ratchet wheel is sleeved on the shaft pin through a pre-tightening spiral spring; the steel wire rope is coiled on the ratchet wheel, can extend out of the shell along a guide groove formed on the shell, and one end of the steel wire rope extending out of the shell forms a hanging ring for being connected with the hook; the manner of use of which is shown in fig. 6 thereof, the clamping cord is provided at its end projecting from the housing with a loop by means of which it can be hooked in a suitable hook element (fig. 6) in the chain net in order to clamp the latter. In addition, a button member is connected to the inside of the housing for locking or unlocking the ratchet, the button member including an operating lever and a locking lever, wherein a middle portion of the locking lever is rotatably connected to the housing by a coil spring, and a first end of the locking lever has a locking claw engageable with a single tooth of the ratchet to restrict rotation of the ratchet; the operating rod is arranged at the other side of the locking rod relative to the ratchet wheel, the middle part of the operating rod is rotatably connected with the shell, and a first protruding part and a second protruding part facing the locking rod are respectively formed at the two ends of the operating rod.

Above-mentioned scheme has adopted ratchet, lock claw mode to be used for adjusting the elasticity degree of tyre chain, nevertheless as shown in its fig. 6, its scheme need adopt multiunit clamping device to fix a tyre chain simultaneously, and need adjust respectively, and is comparatively troublesome.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a locking device, which has advantages of simplified structure, easy assembly, disassembly and tightness adjustment, and better stability and safety compared to a rubber rope, and does not have a risk of breaking due to low ambient temperature.

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

locker, its characterized in that: the locking device comprises a locker component, a steel wire rope with one end connected and fixed on the locker component, and a plurality of locking hooks arranged on the steel wire rope in a penetrating way; the locker assembly comprises a base, a winding part and a locking part, wherein the winding part and the locking part are arranged on the base; the winding part is rotatably arranged on the base, and the locking part can lock the winding part at least in the paying-off direction; the free end of the steel wire rope can be detachably connected to the winding part to form a ring.

The utility model adopts the technical scheme, and relates to a locker which comprises a locker assembly and a steel wire rope, wherein a base of the locker assembly is provided with a winding part and a locking part, the winding part can wind and release the steel wire rope, and the locking part can lock the winding part at least in the paying-off direction.

The scheme has two points in different places from the prior art:

1, wear to be equipped with a plurality of latch hooks on the wire rope in this scheme, the latch hook can be followed wire rope sliding adjustment and be used for sliding to different positions.

2, the free end of the steel wire rope in the scheme can be detachably connected to the winding part to form a ring shape, and the winding part passes through the free end of the steel wire rope.

Based on the two differences, when the locker is used, the free end of the steel wire rope is connected to the winding part of the locker assembly, the using mode of the locker is similar to that of a rubber rope recorded in the background technology, and the difference is that the steel wire rope can be wound and unwound through the winding part on the locker assembly, so that the annular size formed by the steel wire rope is adjusted, the steel wire rope is in a proper tightening state, the antiskid chain is tightened through the lock hook, and finally the antiskid chain is hooped on a tire with proper force.

Therefore, the locker has the advantages of simplified structure, convenience in disassembly and assembly and tightness adjustment, and better stability and safety compared with rubber ropes, and can not have the risk of breakage due to lower environmental temperature.

In a specific embodiment, the locking device pulls the anti-skid chain through the locking hook when in use, and is in a tightening state, in which the winding component can not take up the wire generally, so the locking component can lock the winding component only in the wire releasing direction.

Preferably, the winding part is connected with a ratchet wheel, and the locking part is a pawl hinged on the base; the ratchet wheel is provided with one-way ratchets on the circumferential side wall, and the working end of the pawl can extend into the one-way ratchets and lock the winding component in the wire releasing direction. According to the technical scheme, the winding component is provided with the ratchet wheel, the locking component adopts the pawl, and the ratchet wheel and the winding component connected with the ratchet wheel are unidirectionally locked through the pawl.

In a further preferred scheme, the center of the pawl is connected to the base through a rotating shaft, a torsion spring is sleeved on the rotating shaft, the torsion spring acts on the pawl to drive the pawl to press the one-way ratchets on the circumferential side wall of the ratchet wheel, namely, the pawl can lock the ratchet wheel only under the action of the torsion spring.

Preferably, the pawl is further provided with a pressing end, and the pressing end and the working end are respectively positioned on two sides of the hinge shaft point. The above scheme states that the locking component can only lock the winding component in the paying-off direction, and specifically, the pawl presses the one-way ratchet on the circumferential side wall of the ratchet wheel; when the antiskid chain needs to be disassembled and the winding part is required to pay out the wound steel wire rope; it is necessary to release the pawl from locking the ratchet. In this scheme, the pawl adopts lever structure, only need when needing the unblock apply force in press the end can, it is comparatively convenient.

Preferably, the winding member is a winding shaft, a mounting hole is formed in a shaft rod of the winding shaft, a fastening bead is arranged at the end of the steel wire rope, and the fastening bead can be embedded and fixed in the mounting hole, so that the free end of the steel wire rope is connected to the winding member to form a ring.

Preferably, the axis of the winding member is provided with a socket for connecting a tool for driving the winding member to rotate. In the technical scheme, tools, generally a wrench, are needed for the winding part to wind and unwind the steel wire rope; therefore, a power part for driving the winding part is omitted on the locker assembly, and the structure is simplified.

Preferably, the base is a U-shaped base with a U-shaped section, the fixed end of the steel wire rope is connected to the bottom plate of the U-shaped base, and the winding shaft is rotatably positioned between the two U-shaped side plates.

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; and the lantern ring part of the lock hook is sleeved on the steel wire rope.

The second purpose of the utility model is to provide an automobile tyre chain, which comprises a tyre chain for wrapping on an automobile tyre and a locker 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 free end of the steel wire rope of the locking device is connected to the winding part to form a ring shape, and the plurality of locking hooks are arranged along the length direction of the steel wire rope and hook the anti-skid chain.

Drawings

Fig. 1 is a schematic view of a locking device according to the present invention in an unused state.

Fig. 2 is a schematic view of the ring-shaped structure of the locking device.

Fig. 3 is a side view of the load binder assembly.

Fig. 4 is a perspective view of the locking device assembly.

Fig. 5 is a schematic view of the internal structure of the locker assembly.

Fig. 6 is a schematic structural diagram of the latch hook.

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 6, the present embodiment relates to a locking device, which includes a locking device assembly 1, a steel wire rope 2 with one end connected and fixed to the locking device assembly 1, and a plurality of locking hooks 3 penetrating through the steel wire rope 2. A collar part 31 is formed at the upper end of the latch hook 3, and a hook part 32 is formed at the lower end. The lantern ring part 31 of the locking hook 3 is sleeved on the steel wire rope 2.

The locker assembly 1 includes a base 11, and a winding part 12 and a locking part provided on the base 11. The winding part 12 is rotatably arranged on the base 11, and the free end of the steel wire rope 2 can be detachably connected to the winding part 12 to form a ring shape. The locker comprises a locker assembly 1 and a steel wire rope 2, wherein a base 11 of the locker assembly 1 is provided with a winding part 12 and a locking part, the winding part 12 can wind and release the steel wire rope 2, and the locking part can lock the winding part 12 at least in the paying-off direction. In a particular embodiment, the locking device is used by pulling the chain through the locking hook 3 in a taut condition in which the winding member 12 cannot normally be wound up, so that said locking member can lock the winding member 12 only in the unwinding direction.

In the embodiment shown in fig. 5, the base 11 is a base 11 with a U-shaped cross section, the fixed end of the steel cable 2 is connected to the bottom plate of the base 11, and the winding shaft is rotatably positioned between two U-shaped side plates. In a specific embodiment, the winding member 12 is a winding shaft, a shaft rod of the winding shaft is provided with a mounting hole 121, the end of the steel wire rope 2 is provided with a fastening bead 21, and the fastening bead 21 can be embedded and fixed in the mounting hole 121, so that the free end of the steel wire rope 2 is connected to the winding member 12 to form a ring shape. In addition, a socket 122 is provided on the axis of the winding member 12, and the socket 122 is used for connecting a tool for driving the winding member 12 to rotate. In the technical scheme, tools, generally a wrench, are needed for the winding part 12 to wind and unwind the steel wire rope 2. Thus, the power part for driving the winding part 12 is omitted on the locker assembly 1, and the structure is simplified.

In the embodiment shown in the figures, the winding member 12 is coupled to a ratchet wheel 13 and the locking member is a pawl 14 hingedly mounted on the base 11. The ratchet wheel 13 is provided with one-way ratchets 131 on the circumferential side wall, and the working end 141 of the pawl 14 can extend into the one-way ratchets 131 and lock the winding member 12 in the wire unwinding direction. In the technical scheme, a ratchet wheel 13 is arranged on a winding component 12, a pawl 14 is adopted as a locking component, and the ratchet wheel 13 and the winding component 12 connected with the ratchet wheel are locked in a one-way mode through the pawl 14.

In a further preferable scheme, the center of the pawl 14 is connected to the base 11 through a rotating shaft, a torsion spring 15 is sleeved on the rotating shaft, the torsion spring 15 acts on the pawl 14 to drive the pawl 14 to press the one-way ratchet 131 on the circumferential side wall of the ratchet 13, that is, only under the action of the torsion spring 15, the pawl 14 can lock the ratchet 13. The pawl 14 is further provided with a pressing end 142, and the pressing end 142 and the working end 141 are respectively located at two sides of the hinge point. The above-mentioned solution describes that the locking member can lock the winding member 12 only in the unwinding direction, specifically, the pawl 14 presses the one-way ratchet 131 on the circumferential side wall of the ratchet 13. When it is desired to remove the snow chain, the takeup member 12 is required to pay out the wound wire rope 2. It is necessary to release the lock of the pawl 14 to the ratchet 13. In this scheme, the pawl 14 adopts the lever structure, only need when needing the unblock apply force in pressing the end 142 can, and is comparatively convenient.

The above scheme has two differences from the prior art:

1, wear to be equipped with a plurality of latch hooks 3 on wire rope 2 in this scheme, latch hook 3 can be followed wire rope 2 sliding adjustment and is used for sliding to different positions.

2, the free end of the steel wire rope 2 in the scheme can be detachably connected to the winding part 12 to form a ring shape, and the winding part 12 passes through the free end of the steel wire rope 2.

Based on the two differences, when the locker is used, the free end of the steel wire rope 2 is connected to the winding part 12 of the locker assembly 1, the using mode of the locker is similar to that of a rubber rope recorded in the background art, and the difference is that in the scheme, the steel wire rope 2 can be wound and unwound through the winding part 12 on the locker assembly 1, the annular size formed by the steel wire rope 2 is further adjusted, the steel wire rope 2 is in a proper tightening state, the anti-skid chain is tightened through the locking hook 3, and finally the anti-skid chain is hooped on a tire with proper force.

Therefore, the locker has the advantages of simplified structure, convenience in disassembly and assembly and tightness adjustment, and better stability and safety compared with rubber ropes, and can not have the risk of breakage due to lower environmental temperature.

Based on the scheme, the use process of the locker is as follows: firstly, embedding and fixing a button bead 21 on the end part of the steel wire rope 2 in an installation hole 121 of a winding part 12, so that the free end of the steel wire rope 2 is connected to the winding part 12 to form a ring shape; then moving the plurality of lock hooks 3 to proper positions along the steel wire rope 2, and hanging the lock hooks 3 on the anti-skid chain; finally, the wrench is inserted into the insertion port 122 on the axis of the winding component 12 for connection, and the wrench is rotated in the wire winding direction until the steel wire rope 2 is in a tightening state, and the pawl 14 does not need to be operated in the process.

The disassembly process of the locker is as follows: firstly, a wrench is inserted into the insertion port 122 on the axis of the winding part 12 for connection, the other hand presses the pressing end 142 of the pawl 14, and the pawl 14 is unlocked from the ratchet wheel 13; then, the wrench is rotated in the wire rewinding direction until the steel wire rope 2 is in a tight state; then the lock hook 3 and the anti-skid chain are unhooked, and the anti-skid chain and the locker are detached from the tire; finally, the fastening bead 21 on the end of the steel wire rope 2 is taken out from the mounting hole 121 of the winding part 12, and the disassembly is completed.

Example 2:

the embodiment provides an automobile tyre chain, and the automobile tyre chain comprises a tyre chain used for wrapping on an automobile tyre and a locker arranged on one side of a hub and used for connecting the tyre chain. The locking device is the locking device as described in embodiment 1, the free end of the steel wire rope 2 of the locking device is connected to the winding part 12 to form a ring shape, and the plurality of locking hooks 3 are arranged along the length direction of the steel wire rope 2 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 (10)

1. Locker, its characterized in that: the steel wire rope locking device comprises a locker component (1), a steel wire rope (2) with one end connected and fixed on the locker component (1), and a plurality of locking hooks (3) arranged on the steel wire rope (2) in a penetrating way; the locker assembly (1) comprises a base (11), and a winding part (12) and a locking part which are arranged on the base (11); the winding part (12) is rotatably arranged on the base (11), and the locking part can lock the winding part (12) at least in the wire releasing direction; the free end of the steel wire rope (2) can be detachably connected to the winding part (12) to form a ring shape.

2. The load binder of claim 1, wherein: the locking member is capable of locking the winding member (12) only in the unwinding direction.

3. The load binder of claim 2, wherein: the winding component (12) is connected with a ratchet wheel (13), and the locking component is a pawl (14) hinged on the base (11); the circumferential side wall of the ratchet wheel (13) is provided with one-way ratchets (131), and the working end (141) of the pawl (14) can extend into the one-way ratchets (131) and lock the winding component (12) in the wire releasing direction.

4. The load binder of claim 3, wherein: the center of the pawl (14) is connected to the base (11) through a rotating shaft, a torsion spring (15) is sleeved on the rotating shaft, and the torsion spring (15) acts on the pawl (14) to drive the pawl (14) to press the one-way ratchet (131) on the circumferential side wall of the ratchet wheel (13).

5. The load binder of claim 4, wherein: the pawl (14) is further provided with a pressing end (142), and the pressing end (142) and the working end (141) are respectively located on two sides of the hinge point.

6. The load binder of claim 1, wherein: the winding component (12) is a winding shaft, a mounting hole (121) is formed in a shaft rod of the winding shaft, a buckling bead (21) is arranged at the end of the steel wire rope (2), and the buckling bead (21) can be embedded and fixed in the mounting hole (121).

7. The load binder of claim 6, wherein: the axis of the winding part (12) is provided with a socket (122), and the socket (122) is used for connecting a tool for driving the winding part (12) to rotate.

8. The load binder of claim 6, wherein: the base (11) is a base (11) with a U-shaped section, the fixed end of the steel wire rope (2) is connected to the bottom plate of the base (11), and the winding shaft is rotationally positioned between the two U-shaped side plates.

9. The load binder of claim 1, wherein: a lantern ring part (31) is formed at the upper end of the locking hook (3), and a hook part (32) is formed at the lower end of the locking hook; and a lantern ring part (31) of the lock hook (3) is sleeved on the steel wire rope (2).

10. The automobile anti-skid chain comprises an anti-skid chain and a locker, wherein the anti-skid chain is used for wrapping an automobile tire, and the locker is arranged on one side of a hub and used for connecting the anti-skid chain; the method is characterized in that: the locking device is as claimed in any one of claims 1 to 9, the free end of the steel cable (2) of the locking device is connected to the winding part (12) to form a ring, and the plurality of locking hooks (3) are arranged along the length direction of the steel cable (2) and hook the anti-skid chain.

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