WO2020125212A1

WO2020125212A1 - Anti-skid device and automobile

Info

Publication number: WO2020125212A1
Application number: PCT/CN2019/114238
Authority: WO
Inventors: 孙剑山
Original assignee: 孙剑山
Priority date: 2018-12-18
Filing date: 2019-10-30
Publication date: 2020-06-25
Also published as: CN109334358A; CN109334358B

Abstract

Disclosed is an anti-skid device (100). The anti-skid device (100) is mounted on an automobile. The automobile comprises wheels (4) and an automobile body. The anti-skid device (100) comprises a control structure (3) detachably connected with the automobile body, a wheel disc (1) detachably connected with each wheel, and a plurality of extendable structures (2). Each extendable structure (2) comprises an extendable assembly (21) and a self-locking structure (22), wherein one end of the extendable assembly (21) can pass though the wheel disc (1) in a sliding manner and is provided with an anti-skid cap (211), and the self-locking structure (22) is arranged at the other end of the extendable assembly (21) and is used for locking or unlocking the extendable assembly (21).

Description

Anti-skid devices and cars The

Technical field

The present application relates to the technical field of anti-skid, in particular to an anti-skid device and an automobile including the anti-skid device.

Background technique

In my country's winter, the pavement in the northern region is usually covered by ice. When the car is driving on a frozen road, it is very prone to slip, which can cause traffic accidents. Therefore, the anti-skid device of the car is of great significance for safe driving.

At present, there are two most widely used anti-skid devices for automobiles. One is to bind anti-skid chains on the wheels. This method is the simplest and most popular, but the disadvantage is that once the anti-skid chains are bound, the car always maintains the anti-skid mode. When the frozen road enters the normal road, the snow chain will directly rub against the ground, which not only wears itself but also crushes the road. The other is to install an adjustable anti-skid device on the wheel. When the vehicle enters a frozen road or enters a normal road, the anti-skid function can be turned on or off by adjusting the anti-skid device, but every time the anti-skid function is turned on or off, it is necessary to park on the road Adjusting each wheel individually is time-consuming and cumbersome.

Application content

The main purpose of the present application is to provide an anti-skid device, which can realize opening and closing of the anti-skid device without stopping the vehicle, has a simple structure, is easy to install, and has strong practicability and a wide range of applications.

In order to achieve the above object, the present application proposes an anti-skid device, which is installed in an automobile, the automobile includes wheels and a body, the anti-skid device includes a control structure detachably connected to the body, and a wheel disc detachably connected to the wheels And a plurality of telescopic structures, each telescopic structure includes an extension component and a self-locking structure, one end of the extension component slidably passes through the wheel disc, and is provided with a non-slip cap, the self-locking structure is provided on the The other end of the extension assembly, and lock or open the extension assembly;

The anti-skid device has the control structure to control the anti-skid state of the extension assembly relative to the wheel, and the control structure controls the self-locking structure to open the extension assembly so that the extension assembly is opposed The contracted state of the roulette contraction;

In the anti-skid state, the extending assembly extends relative to the wheel, so that the anti-skid cap protrudes from the outer surface of the wheel, and the self-locking structure locks the extending assembly.

In one embodiment, the roulette includes a mounting bracket, an outer ring protruding from the periphery of the mounting bracket, and an inner ring protruding from the mounting bracket and located inside the outer ring, one end of the extension assembly Slip through the inner ring and the outer ring in sequence, the non-slip cap is located on the side of the outer ring facing away from the inner ring, and the self-locking structure is located on the side of the inner ring facing away from the outer ring One side, and connected to the inner ring, the wheel disc is detachably connected to the wheel through the mounting bracket.

In an embodiment, the mounting bracket is provided with mounting holes at even intervals along the circumference, and the wheel disc is detachably connected to the wheel through the mounting holes.

In one embodiment, the extension assembly further includes a telescopic rod disposed radially along the wheel and slidably passing through the outer ring and the inner ring in sequence, and a spring sleeved on the telescopic rod. The spring is located between the outer ring and the inner ring, the telescopic rod is further provided with a limit rod between the spring and the inner ring, and the anti-skid cap is provided on the telescopic rod to pass through the outer ring At one end of the telescopic rod away from the non-slip cap, a clamping slot is provided, and the control structure controls the self-locking structure to engage or open the clamping slot to extend or retract the telescopic rod.

In an embodiment, an end of the telescopic rod adjacent to the clamping slot is provided with a first pressing plate.

In an embodiment, the telescopic rod is provided with a plurality of clamping slots at an end away from the non-slip cap, and the plurality of clamping slots are arranged along the length of the telescopic rod to make the self-locking structure It engages with the card slots in different positions.

In an embodiment, the self-locking structure includes:

A first fixing part connected to the inner ring, the telescopic rod can slide relative to the first fixing part;

A buckle, which is rotatably connected to the first fixing part, and a side of the buckle facing away from the telescopic rod is provided with a pry bar; and

A first sliding rod, one end of the first sliding rod is connected to the prying rod, and the first sliding rod is arranged in parallel with the telescopic rod;

In the anti-skid state, the control structure controls the telescopic rod to drive the anti-skid cap to extend, and the buckle is engaged in the card slot to lock the telescopic rod;

In the retracted state, the control structure controls the first sliding rod to drive the buckle to rotate to open the clamping slot, so that the telescopic rod drives the anti-skid cap to retract.

In one embodiment, the self-locking structure is further provided with a snap spring, one end of the snap spring is connected to the buckle, and the other end is connected to the first fixing portion, and the control structure controls the telescopic rod and the With the extension of the first sliding rod, the buckle rotates around the telescopic rod under the torsion force of the clamping spring, so that the buckle engages and disengages from the clamping slot.

In one embodiment, one end of the first sliding rod is provided with a second pressure plate, and the other end is provided with a limit spring. The end of the first sliding rod provided with the limit spring is inserted into the inner ring In the sleeve, so that the first sliding rod slides in the sleeve.

In an embodiment, the self-locking structure includes:

A second fixing part connected to the inner ring, the telescopic rod can slide relative to the second fixing part, and the second fixing part is provided with a sliding groove;

The tongue is slidably provided at the end of the slide groove close to the inner ring;

A spring piece, one end of the spring piece is elastically connected to the second fixing portion, and the other end is connected to the tab; and

A second sliding rod, a pulley is provided at one end of the second sliding rod, and is slidably accommodated in the sliding groove;

In the anti-skid state, the control structure controls the telescopic rod to drive the anti-skid cap to extend, and the tab is engaged in the card slot to lock the telescopic rod;

In the retracted state, the control structure controls the second sliding rod to slide along the sliding slot, and pushes the tab to slide to open the clamping slot, so that the telescopic rod drives the anti-skid cap to retract .

In one embodiment, the end of the second sliding rod away from the tongue is provided with the second pressing plate, the tongue is provided with a guide slope inclined to the slide groove, and the control structure passes through The second pressing plate slides the second sliding rod toward the tab in the sliding groove, so that the pulley and the guide inclined surface abut.

In an embodiment, the self-locking structure includes:

A third fixing part connected to the inner ring, the telescopic rod can slide relative to the third fixing part, and the third fixing part is provided with an escape groove;

The limiting block is rotatably located in the avoiding groove, and the limiting block is provided with a clamping tooth that engages with the clamping groove;

A third sliding rod, one end of the third sliding rod is rotatably connected to the third fixing portion, and fixedly connected to the limiting block; and

Elastic buckle, one end of the elastic buckle is connected to the third fixing part, and the other end is connected to the limiting block;

In the anti-skid state, the control structure controls the telescopic rod to drive the anti-skid cap to extend, and the teeth of the limiting block are engaged in the card slot to lock the telescopic rod;

In the retracted state, the control structure controls the third sliding rod to drive the limit block to rotate to open the clamping slot, so that the telescopic rod drives the anti-skid cap to retract.

In an embodiment, the control structure includes:

A fixed seat set to fix the control structure;

The first driving part is connected with the fixed base;

A push rod, one end of the push rod is connected to the first driving member, and the other end is provided with a first pressing wheel, and the first driving member can control the push rod to extend or contract; and

A bracket is connected to the push rod and slidingly connected to the fixed seat, and a second pressing wheel is provided at an end of the bracket away from the first pressing wheel;

In the anti-skid state, the first driving member controls the push rod to extend, and drives the first pressing wheel to push the extension assembly, so that the extension assembly drives the anti-skid cap to extend, and The self-locking structure locks the protruding assembly;

In the retracted state, the first driving member controls the push rod to retract, and drives the bracket and the second pressing wheel, so that the second pressing wheel pushes the self-locking structure to open the extension The assembly, so that the extension assembly drives the anti-skid cap to retract.

In an embodiment, the first driving member is configured as a motor, a hydraulic press, a starter, or a mechanical switch.

In an embodiment, the fixing seat is provided with a connecting hole, and the fixing seat is connected to the vehicle body through the connecting hole.

In an embodiment, the fixing base is provided with a guide groove, and the bracket is slidably disposed with the fixing base through the guide groove.

In an embodiment, the control structure includes:

A fixed frame, the fixed frame is provided with gears penetrating opposite sides thereof;

The second driving member is provided on the fixing frame and connected with the gear;

A first pressing rod, a first rack meshing with the gear is provided at one end, and a first pressing wheel is provided at the other end; and

The second pressing rod has a second rack meshed with the gear at one end and a second pressing wheel at the other end;

The first pressure bar and the second pressure bar are provided on opposite sides of the fixing frame, and mesh with the gear through the first rack and the second rack;

In the anti-skid state, the second driving member controls the gear to rotate forward to drive the first pressing rod to extend toward the first pressing wheel and drive the second pressing rod to retract, The first pressing rod pushes the extension assembly, so that the extension assembly drives the anti-skid cap to extend, and the self-locking structure locks the extension assembly;

In the retracted state, the second driving member controls the gear to reverse to drive the second pressing rod to extend toward the second pressing wheel and drive the first pressing rod to retract, The second pressing rod pushes the self-locking structure to open the extension assembly, so that the extension assembly drives the anti-skid cap to retract.

In an embodiment, the fixing frame is provided with a track groove, so that the first pressure bar and the second pressure bar slide in the track groove.

The present application also proposes an automobile, which includes wheels, a body, and the above-mentioned anti-skid device, and the anti-skid device is detachably connected to the car.

In an embodiment, the vehicle body includes an axle, the control structure is detachably connected to the axle, and the wheel disc and a plurality of telescopic structures are detachably connected to the wheels.

The technical solution of the present application proposes an anti-skid device. The anti-skid device is detachably connected to an automobile, and the installation can be completed without modifying the wheels, which is convenient for installation. The control structure controls the extension component and the self-locking structure, and can be opened and closed at any time as needed without stopping and getting off the vehicle. The structure is simple and easy to implement, and the self-locking structure can lock the extension component to improve The stability of the overall structure. In addition, the height of the anti-skid cap can be adjusted as needed to adjust the anti-skid strength, which is practical and has a wide range of applications.

BRIEF DESCRIPTION

In order to more clearly explain the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, without paying any creative work, other drawings can be obtained according to the structures shown in these drawings.

1 is a schematic structural diagram of an embodiment of an anti-skid tire of the present application;

Figure 2 is an exploded view of the anti-skid tire in Figure 1;

3 is a schematic structural view of the anti-skid device in FIG. 1;

4 is a schematic structural diagram of the telescopic structure in FIG. 3;

5 is an exploded view of a part of the structure of the telescopic structure in FIG. 4;

Figure 6 is an exploded view of the telescopic structure in Figure 5;

7 is a schematic structural view of another embodiment of a telescopic structure;

Figure 8 is an exploded view of the telescopic structure in Figure 7;

9 is a schematic structural view of another embodiment of a telescopic structure;

Figure 10 is an exploded view of the telescopic structure in Figure 9;

11 is a schematic structural view of another embodiment of the control structure in FIG. 1;

Figure 12 is an exploded view of the control structure in Figure 11;

Figure 13 is a schematic diagram of the structure of the car.

Description of Drawings

Label	name	Label	name
100	Anti-skid device	311a	Connection hole
1	Roulette	223b	Second slider
11	Inner ring	224b	pulley
12	Mounting brackets	225b	Spring leaf
121	Mounting holes	221c	The third fixed part
13	Outer ring	2211c	Avoidance slot
2	Telescopic structure	222c	Limit block
twenty one	Stick out	2221c	Snap
211	Non-slip cap	223c	Third slider
212	Telescopic rod	224c	Snap
2121	Card slot	220	Second pressure plate
213	spring	3	Control structure
214	Limit lever	312a	Guide groove
215	First pressure plate	32a	First drive
twenty two	Self-locking structure	33a	Putter
221a	First fixed part	34a	Bracket
2211a	Fixed block	31b	First lever
2212a	Hinge	32b	Second lever
222a	Snap	33b	Second drive
223a	First slider	34b	Fixing frame
224a	Crowbar	341b	The guide groove
225a	Circlip	35b	First rack
226a	casing	36b	Second rack
227a	Limit spring	37b	gear
221b	Second fixed part	301	First roller
2211b	Chute	302	Second roller
2212b	Groove	4	wheel
222b	Tab	41	Tire
2221b	Guide bevel	42	Wheel hub
2222b	Tendon	300	car
31a	Fixed seat	310	Axle

The implementation, functional characteristics and advantages of the present application will be further described in conjunction with the embodiments and with reference to the drawings.

detailed description

The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only set to explain the inter-components in a certain posture (as shown in the drawings) With respect to the relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication also changes accordingly.

In this application, unless otherwise clearly specified and limited, the terms "connected", "fixed", etc. should be understood in a broad sense, for example, "fixed" may be a fixed connection, a detachable connection, or integrated; It can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediary. It can be the connection between two elements or the interaction between two elements, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

In addition, descriptions related to "first", "second", etc. in this application are only set for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may include at least one of the features explicitly or implicitly. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary skilled in the art to achieve, when the combination of technical solutions contradicts each other or cannot be achieved, it should be considered that the combination of such technical solutions does not exist , Nor within the scope of protection required by this application.

The present application proposes an anti-skid device 100, which is installed in an automobile 300.

1 to 3, the car 300 includes wheels 4 and a body, the anti-skid device 100 includes a control structure 3 detachably connected to the body, a wheel 1 detachably connected to the wheel 4 and a plurality of telescopic structures 2, each The telescopic structure 2 includes an extension assembly 21 and a self-locking structure 22. One end of the extension assembly 21 can slide through the wheel 1 and is provided with a non-slip cap 211. The self-locking structure 22 is provided at the other end of the extension assembly 21. And lock or open the extension assembly 21;

The anti-skid device 100 has a non-slip state where the control structure 3 controls the extension assembly 21 to extend relative to the wheel 1 and the control structure 3 controls the self-locking structure 22 to open the extension assembly 21 so that the extension assembly 21 contracts with respect to the wheel 1 status;

In the anti-skid state, the extension assembly 21 extends relative to the wheel 1 so that the anti-skid cap 211 protrudes from the outer surface of the wheel 1 and the self-locking structure 22 locks the extension assembly 21.

In the technical solution of the present application, the control structure 3 is installed on the vehicle body, and the specific position of the vehicle body is not limited. As long as the control structure 3 can control the telescopic structure 2, the anti-skid function can be achieved. The roulette 1 can be installed on the inside of the wheel 4 in a hidden installation without affecting the aesthetics of the vehicle. The non-slip cap 211 is provided at one end of the extension assembly 21. It can be understood that the anti-slip cap 211 is located at the outer edge of the wheel 1 and the diameter of the wheel 1 is slightly smaller than that of the wheel 4. When it is in the anti-slip state, the extension assembly 21 extends Out, so that the anti-skid cap 211 is higher than the outer edge of the wheel 4; when the anti-skid state is closed, the extension assembly 21 is retracted so that the anti-skid cap 211 is located inside the outer edge of the wheel 4. In a more preferred embodiment, a plurality of telescopic structures 2 are evenly arranged on the wheel 1 to improve the stability of the overall structure and improve the anti-skid effect of the anti-skid device 100. A texture can be provided on the surface of the anti-skid cap 211 to increase the friction with the road surface and further enhance the anti-skid effect.

In this embodiment, the anti-skid device 100 is detachably connected to the automobile 300, and the installation can be completed without modifying the existing wheel 4, which is convenient for installation. Through the control structure 3, the extension assembly 21 and the self-locking structure 22 are controlled, and the non-slip state can be opened and closed at any time without stopping and getting off the vehicle. The structure is simple and easy to implement, and the self-locking structure 22 can be locked and extended Out of the assembly 21, the stability of the overall structure is improved. In addition, the length of the extension assembly 21 can be adjusted as needed to adjust the height of the anti-skid cap 211 to adjust the anti-skid strength, which is practical and has a wide range of applications.

4 to 6, the roulette 1 includes a mounting bracket 12, an outer ring 13 protruding from the periphery of the mounting bracket 12, and an inner ring 11 protruding from the mounting bracket 12 and located inside the outer ring 13, extending out of the assembly 21 One end of the inner ring 11 is slidably passed through the inner ring 11 and the outer ring 13 in turn, the non-slip cap 211 is located on the side of the outer ring 13 facing away from the inner ring 11, the self-locking structure 22 is located on the side of the inner ring 11 facing away from the outer ring 13, Connected to the inner ring 11, the wheel 1 is detachably connected to the wheel 4 through the mounting bracket 12.

Specifically, the roulette 1 includes a mounting bracket 12 that is disposed concentrically with the wheel 4. The mounting bracket 12 is provided with mounting holes 121 at even intervals along the circumference. The roulette 1 is detachably connected to the wheel 4 through the mounting hole 121 so that The telescopic structure 2 and the self-locking structure 22 rotate synchronously with the wheel 4, the structure is simple, and it is easy to assemble. In addition, the anti-skid device 100 can be installed in conjunction with the design of the entire vehicle, or can be installed separately afterwards. The installation time is convenient and flexible.

Referring to FIG. 4, FIG. 7 or FIG. 9, the extension assembly 21 further includes a telescopic rod 212 disposed along the radial direction of the wheel 1 and slidably passing through the outer ring 13 and the inner ring 11 in sequence, and a telescopic rod 212 sleeved on the telescopic rod 212 The spring 213 is located between the outer ring 13 and the inner ring 11, the telescopic rod 212 is further provided with a limit bar 214 located between the spring 213 and the inner ring 11, and the non-slip cap 211 is disposed on the telescopic rod 212 to pass through the outer ring 13 At one end of the telescopic rod 212 away from the non-slip cap 211, a clamping slot 2121 is provided. The control structure 3 controls the self-locking structure 22 to engage or open the clamping slot 2121, so that the telescopic rod 212 extends or retracts.

In this embodiment, when in the anti-skid state, the control structure 3 controls the telescopic rod 212 to extend, at this time the spring 213 is compressed, the anti-skid cap 211 protrudes from the outer edge of the wheel 4, and the self-locking structure 22 is locked with the slot 2121 Close to prevent the telescopic rod 212 from retracting. When in the retracted state, the control structure 3 controls the self-locking structure 22 to disengage from the clamping slot 2121, and the compressed spring 213 needs to be reset at this time, and the elastic rod 212 is retracted by the elasticity of the spring 213. In an embodiment, the end of the telescopic rod 212 adjacent to the clamping slot 2121 is provided with a first pressing plate 215, which increases the effective area of the control structure 3 and makes the extending process of the telescopic rod 212 more stable. In addition, a plurality of locking grooves 2121 can be provided along the length of the telescopic rod 212, and the self-locking structure 22 can be engaged with the locking grooves 2121 at different positions, so as to adjust the anti-skid strength.

4-6, the self-locking structure 22 includes:

The first fixing portion 221a is connected to the inner ring 11, and the telescopic rod 212 can slide relative to the first fixing portion 221a;

The buckle 222a is rotatably connected to the first fixing portion 221a, and a side of the buckle 222a facing away from the telescopic rod 212 is provided with a pry bar 224a; and

A first sliding rod 223a, one end of the first sliding rod 223a is connected to the pry bar 224a, and the first sliding rod 223a and the telescopic rod 212 are arranged in parallel;

In the anti-skid state, the control structure 3 controls the telescopic rod 212 to drive the anti-skid cap 211 to extend, and the buckle 222a is engaged in the slot 2121 to lock the telescopic rod 212;

In the retracted state, the control structure 3 controls the first sliding rod 223a to drive the catch 222a to rotate to open the catch slot 2121, so that the telescopic rod 212 drives the anti-skid cap 211 to retract.

In the first embodiment of the self-locking structure 22, the first fixing portion 221a is a fixing block 2211a located on both sides of the telescopic rod 212, the catch 222a is connected to one end of the fixing block 2211a through a rotating shaft 2212a, and the other end of the fixing block 2211a is The ring 11 is connected, and the extension of the telescopic rod 212 and the first sliding rod 223a is controlled by the control structure 3 to realize the rotation of the buckle 222a, thereby completing the opening and closing of the anti-skid device 100.

Optionally, the self-locking structure 22 is further provided with a snap spring 225a. One end of the snap spring 225a is connected to the snap 222a and the other end is connected to the first fixing portion 221a. The control structure 3 controls the telescopic rod 212 and the first sliding rod 223a. When extended, the buckle 222a rotates around the telescopic rod 212 under the torsion force of the circlip 225a, so that the buckle 222a is engaged with and disengaged from the groove 2121. Specifically, when the buckle 222a rotates toward the telescopic rod 212, the buckle 222a engages with the chucking slot 2121; when the buckle 222a rotates back to the telescopic rod 212, the buckle 222a engages with the chucking slot 2121. The arrangement of the snap spring 225a makes the rotation of the snap 222a more stable, and further improves the stability of the anti-skid device 100.

Specifically, one end of the first sliding rod 223a is provided with the second pressing plate 220, and the other end is provided with a limit spring 227a. The end of the first sliding rod 223a with the limit spring 227a is inserted into the sleeve 226a connected to the inner ring 11, The first sliding rod 223a slides within the sleeve 226a. A limit card (not shown) is provided in the sleeve 226a, so that the first sliding rod 223a will not be separated from the sleeve 226a under the action of the limit spring 227a, and keep the second pressure plate 220 flush with the first pressure plate 215, so that the first The relative sliding of a sliding rod 223a and the telescopic rod 212 is more stable. The

7 and 8, the self-locking structure 22 includes:

The second fixing portion 221b is connected to the inner ring 11, the telescopic rod 212 can slide relative to the second fixing portion 221b, and the second fixing portion 221b is provided with a sliding groove 2211b;

The tab 222b is slidably provided at the end of the sliding groove 2211b close to the inner ring 11;

A spring piece 225b, one end of the spring piece 225b is elastically connected to the second fixing portion 221b, and the other end is connected to the tab 222b; and

A second sliding rod 223b, a pulley 224b is provided at one end of the second sliding rod 223b, and is slidably received in the sliding groove 2211b;

In the anti-skid state, the control structure 3 controls the telescopic rod 212 to drive the anti-skid cap 211 to extend, and the tab 222b is engaged in the card slot 2121 to lock the telescopic rod 212;

In the retracted state, the control structure 3 controls the second sliding rod 223b to slide along the sliding slot 2211b, and pushes the tab 222b to slide to open the clamping slot 2121, so that the telescopic rod 212 drives the anti-skid cap 211 to retract.

In the second embodiment of the self-locking structure 22, the second fixing portion 221b is provided with a sliding groove 2211b, an end of the sliding groove 2211b near the inner ring 11 is provided with a groove 2212b, and the tab 222b is provided with a rib that cooperates with the groove 2212b The bar 2222b makes the tab 222b limit and slide in the groove 2212b. The end of the second sliding rod 223b away from the tab 222b is provided with a second pressing plate 220. The tab 222b is provided with a guide slope 2221b inclined to the sliding groove 2211b. The control structure 3 makes the second sliding rod 223b slide through the second pressing plate 220 The groove 2211b slides inwards toward the tongue 222b, and the pulley 224b abuts the guide slope 2221b. Due to the presence of the guide slope 2221b, the two ends of the tongue 222b are unevenly stressed, so that the tongue 222b slides out, and the tongue 222b and the groove 2121 disengages and the telescopic rod 212 retracts. When the anti-skid device 100 needs to be opened, the control structure 3 controls the telescopic rod 212 to drive the anti-skid cap 211 to extend, and the tongue 222b slides toward the locking groove 2121 under the action of the spring piece 225b and engages with the locking groove 2121, thereby locking the expansion and contraction杆212.

9 and 10, the self-locking structure 22 includes:

The third fixing portion 221c is connected to the inner ring 11, the telescopic rod 212 can slide relative to the third fixing portion 221c, and the third fixing portion 221c is provided with an escape groove 2211c;

The limiting block 222c is rotatably located in the avoiding groove 2211c, and the limiting block 222c is provided with clamping teeth 2221c that are engaged with the clamping groove 2121;

A third sliding rod 223c, one end of the third sliding rod 223c is rotatably connected to the third fixing portion 221c, and fixedly connected to the limiting block 222c; and

A snap 224c (not shown), one end of the snap 224c is connected to the third fixing portion 221c, and the other end is connected to the limit block 222c;

In the anti-skid state, the control structure 3 controls the telescopic rod 212 to drive the anti-skid cap 211 to extend, and the locking teeth 2221c of the limit block 222c are engaged in the locking groove 2121 to lock the telescopic rod 212;

In the retracted state, the control structure 3 controls the third sliding rod 223c to drive the limiting block 222c to open the slot 2121, so that the telescopic rod 212 drives the anti-skid cap 211 to retract.

In the third embodiment of the self-locking structure 22, one end of the third sliding rod 223c is rotatably connected to the third fixing portion 221c, and the other end of the third sliding rod 223c is provided with a second pressing plate 220, which The three fixing portions 221c are located on both sides of the third telescopic rod 212. When the control structure 3 controls the side of the third sliding rod 223c adjacent to the second pressing plate 220, the third sliding rod 223c rotates under the torsion force of the snap 224c, so that the limit The block 222c rotates away from the locking slot 2121, so that the locking teeth 2221c and the locking slot 2121 are disengaged, and the telescopic rod 212 drives the anti-skid cap 211 to retract. When the anti-skid device 100 needs to be opened, the control structure 3 controls the telescopic rod 212 to drive the anti-skid cap 211 to extend, and the limiting block 222c slides toward the locking groove 2121 under the action of the spring buckle 224c and engages with the locking groove 2121, thereby locking Telescopic rod 212.

Please refer to FIGS. 1 to 3, the control structure 3 includes:

The fixed seat 31a is set as a fixed control structure 3;

The first driving member 32a is connected to the fixing base 31a;

Push rod 33a, one end of the push rod 33a is connected to the first driving member 32a, and the other end is provided with a first pressing wheel 301, and the first driving member 32a can control the pushing rod 33a to extend or retract; and

The bracket 34a is connected to the push rod 33a, and is slidingly connected to the fixed seat 31a. The end of the bracket 34a away from the first pressing wheel 301 is provided with a second pressing wheel 302;

In the anti-skid state, the first driving member 32a controls the push rod 33a to extend, and drives the first pressing wheel 301 to push the extension assembly 21, so that the extension assembly 21 drives the anti-skid cap 211 to extend, and the self-locking structure 22 is locked Extension assembly 21;

In the retracted state, the first driving member 32a controls the push rod 33a to retract, and drives the bracket 34a and the second pressing wheel 302, so that the second pressing wheel 302 pushes the self-locking structure 22 to open the extension assembly 21, so that the extension The assembly 21 drives the anti-skid cap 211 to retract.

In this embodiment, the first driving member 32a may be a motor, a hydraulic press, a pneumatic machine, or a mechanical switch. In addition, the first pressing wheel 301, the second pressing wheel 302, the first pressing plate 215, and the second pressing plate 220 may also use convex surfaces , Double bevels, scrapers and other alternatives. In a more preferred embodiment, the control structure and the telescopic structure are preferably a pressure wheel and a curved pressure plate, respectively. The first pressure wheel 301, the second pressure wheel 302, the first pressure plate 215, and the second pressure plate 220 are used to increase the contact area. The actions of the first pressing wheel 301 and the second pressing wheel 302 are timely and accurately transmitted to the first pressing plate 215 and the second pressing plate 220 to ensure the sensitivity of the anti-skid device 100.

Specifically, the fixing seat 31a is provided with a connecting hole 311a, and the fixing seat 31a may be connected to the vehicle body through the connecting hole 311a. The bracket 34a is slidably connected to the fixing base 31a, thereby realizing the fixing of the control structure 3. In a more preferred embodiment, the fixed base 31a is provided with a guide groove 312a, and the bracket 34a slides relative to the fixed base 31a through the guide groove 312a to make the bracket 34a move more smoothly.

The first pressing roller 301 and the second pressing roller 302 are respectively disposed at opposite ends of the bracket 34a. When the first driving member 32a controls the push rod 33a to extend toward the first pressing roller 301, the push rod 33a drives the entire bracket 34a to oppose As the fixing base 31a moves in the direction of the first pressing wheel 301, the self-locking structure 22 locks the extension assembly 21 to realize the anti-skid function. When the first driving member 32a controls the push rod 33a to retract toward the second pressing wheel 302, the push rod 33a drives the entire bracket 34a to move toward the second pressing wheel 302, thereby extending the second pressing wheel 302, the second pressing The wheel 302 is in contact with the self-locking structure 22 until the self-locking structure 22 opens the extension assembly 21 and closes the anti-skid function.

11 and 12, the control structure 3 includes:

The fixing frame 34b, the fixing frame 34b is provided with gears 37b penetrating opposite sides thereof;

The second driving member 33b is provided on the fixing frame 34b and is connected to the gear 37b;

The first pressure lever 31b has a first rack 35b meshed with the gear 37b at one end and a first pressure wheel 301 at the other end; and

The second pressing rod 32b has a second rack 36b meshed with the gear 37b at one end and a second pressing wheel 302 at the other end;

The first pressure bar 31b and the second pressure bar 32b are provided on opposite sides of the fixing frame 34b, and mesh with the gear 37b through the first rack 35b and the second rack 36b;

In the anti-skid state, the second driving member 33b controls the gear 37b to rotate forward to drive the first pressing rod 31b to extend toward the first pressing wheel 301, and drives the second pressing rod 32b to retract, and the first pressing rod 31b pushes the extending The component 21, so that the extension component 21 drives the anti-skid cap 211 to extend, and the self-locking structure 22 locks the extension component 21;

In the retracted state, the second driving member 33b controls the gear 37b to reverse to drive the second pressing rod 32b to extend toward the second pressing wheel 302, and drives the first pressing rod 31b to retract, and the second pressing rod 32b pushes The lock structure 22 opens the extension assembly 21 so that the extension assembly 21 drives the anti-skid cap 211 to retract.

In this embodiment, the second driving member 33b may be a motor, a hydraulic machine, a pneumatic machine, a mechanical switch, or the like. The fixing frame 34b is connected to the vehicle body, so that the control structure 3 is fixed. The fixing frame 34b is provided with a track groove 341b, and the sides of the first pressure bar 31b and the second pressure bar 32b facing the fixing frame 34b are respectively provided with a first rack 35b and a second rack 36b, a first pressure bar 31b and a second The pressure lever 32b is meshed with the first rack 35b and the second rack 36b and the gear 37b to slide in the rail groove 341b. The first pressing rod 31b and the second pressing rod 32b are located at the same end of the fixing frame 34b, and the rotation of the gear 37b drives the first pressing rod 31b and the second pressing rod 32b on both sides of the gear 37b to slide toward each other. When the second driving member 33b drives the gear 37b to rotate forward, it drives the first pressing rod 31b to extend, and simultaneously drives the second pressing rod 32b to retract, the first pressing rod 31b causes the extending assembly 21 to extend, and the self-locking structure 22 locks The extension assembly 21 is closed to realize the anti-skid function. When the second driving member 33b drives the gear 37b to reverse, it drives the first pressing rod 31b to retract, and at the same time drives the second pressing rod 32b to push the self-locking structure 22 to open the extension assembly 21, thereby closing the anti-skid function.

Referring to FIG. 13, the present application also proposes an automobile 300 including wheels 4, a body, and an anti-skid device 100. The anti-skid device 100 is detachably connected to the automobile 300.

Specifically, the wheel 4 includes a tire 41 and a hub 42 located inside the tire 41. The telescopic structure is detachably connected to the hub 42 through the wheel disc; the control structure 3 is detachably connected to the vehicle body, as long as the control structure 3 can control the telescopic structure 2 to realize the anti-skid function; thus the entire anti-skid device 100 is detachably connected to the automobile 300. The specific structure of the anti-skid device 100 refers to the above embodiments. Since the anti-skid device 100 adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments. Repeat.

In an alternative embodiment, the body of the automobile 300 includes an axle 310, and the control structure 3 of the anti-skid device 100 is connected to the axle 310. At this time, the control structure 3 and the telescopic structure 2 are on the same plane. Specifically, in the first embodiment of the control structure 3, the fixing seat 31a is provided with a connecting hole 311a, the fixing seat 31a is sleeved on the axle 310 through the connecting hole 311a, and is detachably connected to the axle 310 through a fastener . Optionally, the fixing base 31a is provided with a guide groove 312a for mounting the support bracket 34a, so that the bracket 34a moves along the guide groove 312a to avoid tilting during the movement. In the second embodiment of the control structure 3, the fixing frame 34b is detachably connected to the axle 310. In addition, the telescopic structure 2 is connected to the hub 42 through the mounting bracket 12.

It can be understood that when the anti-skid function needs to be turned on, the first pressing roller 301 is adjusted to an appropriate position between the rolling direction of the wheel 4 and the landing point of the wheel 4. When the telescopic structure 2 is turned to the corresponding position, the first pressing wheel 301 is controlled to accurately push the first pressing plate 215 on the telescopic rod 212, the self-locking structure 22 locks the extension assembly 21, and the telescopic rod 212 extends to drive the anti-skid cap 211 to protrude The outer surface of the wheel 4. As the wheel 4 rotates, the anti-skid cap 211 can be brought into contact with the ground in the shortest time, and the anti-skid function can be quickly opened. When the wheel 4 rolls a full circle, the anti-skid function of all the telescopic components 2 happens to be fully activated.

Optionally, when it is necessary to further enhance the anti-skid function, the control structure 3 may continue to move the first pressing wheel 301 outward, and as the wheel 4 rolls, all the self-locking structures 22 are engaged with the next slot 2121, At this time, the height of the anti-skid cap 211 protruding from the outer surface of the wheel 4 increases, and the friction with the ground is greater. By analogy, the self-locking structure 22 can be engaged with different slots 2121 to adjust the anti-skid ability.

In an embodiment, after the anti-skid function is turned on, the control structure 3 can automatically retract the first pressing wheel 301 to avoid contact with the first pressing plate 215. Of course, after the first pressing wheel 301 completes the closing task, the control structure 3 may also automatically retract the second pressing wheel 302.

In this embodiment, when the car 300 is traveling, the wheel 1 rolls with the wheel 4, and the control structure 3 is fixed, that is, the wheel 1 rotates relative to the control structure 3. The control structure 3 controls the first pressing wheel 301 to "roll" the first pressing plate 215, pressing down the first pressing plates 215 one by one to realize the opening of the anti-skid function; the control mechanism 3 controls the second pressing wheel 302 to perform the second pressing plate 220 "Rolling" to close the anti-skid function. The automobile 300 is provided with a control end and an output end. The control end is provided in the cab, including control buttons, a display screen, and a microcomputer controller. The output end may be installed on each axle 310 or brake. It is controlled by the control button in the cab and through the output terminal to realize the opening and closing of the anti-skid function.

The above are only optional embodiments of the present application, and do not limit the patent scope of the present application. Any equivalent structural transformations made by the description and drawings of the present application under the inventive concept of the present application, or direct/indirect Applications in other related technical fields are included in the scope of patent protection of this application.

Claims

An anti-skid device is installed in an automobile, wherein the automobile includes a wheel and a body, the anti-skid device includes a control structure detachably connected to the body, a wheel disc detachably connected to the wheel, and a plurality of telescopic structures, Each telescopic structure includes an extension component and a self-locking structure, one end of the extension component slidably passes through the wheel disc, and is provided with a non-slip cap, and the self-locking structure is provided on the other side of the extension component One end, and lock or open the protruding assembly;

The anti-skid device has the control structure to control the anti-skid state of the extension assembly relative to the wheel, and the control structure controls the self-locking structure to open the extension assembly so that the extension assembly is opposed The contracted state of the roulette contraction;

In the anti-skid state, the extending assembly extends relative to the wheel, so that the anti-skid cap protrudes from the outer surface of the wheel, and the self-locking structure locks the extending assembly.
The anti-skid device according to claim 1, wherein the roulette includes a mounting bracket, an outer ring protruding from the periphery of the mounting bracket, and an inner ring protruding from the mounting bracket and located inside the outer ring, so One end of the protruding assembly is slidably passed through the inner ring and the outer ring in sequence, the non-slip cap is located on the side of the outer ring facing away from the inner ring, and the self-locking structure is located on the back of the inner ring To one side of the outer ring, and connected to the inner ring, the wheel disc is detachably connected to the wheel through the mounting bracket.
The anti-skid device according to claim 2, wherein the mounting bracket is provided with mounting holes at even intervals along the circumference, and the wheel disc is detachably connected to the wheel through the mounting holes.
The anti-skid device according to claim 2, wherein the extension assembly further includes a telescopic rod arranged radially along the wheel and slidably passing through the outer ring and the inner ring in turn, sleeved on the A spring of a telescopic rod, the spring is located between the outer ring and the inner ring, the telescopic rod is further provided with a limit rod between the spring and the inner ring, and the non-slip cap is provided on the telescopic rod The end of the outer ring is penetrated, the end of the telescopic rod away from the non-slip cap is provided with a clamping slot, and the control structure controls the self-locking structure to engage or open the clamping slot to make the telescopic rod Extend or retract.
The anti-skid device according to claim 4, wherein the telescopic rod is provided with a first pressing plate at an end adjacent to the clamping slot.
The anti-skid device according to claim 4, wherein a plurality of the locking grooves are provided on the end of the telescopic rod away from the anti-skid cap, and the plurality of the clamping grooves are provided along the length of the telescopic rod to The self-locking structure is engaged with the card slots in different positions.
The anti-skid device according to claim 4, wherein the self-locking structure comprises:

A first fixing part connected to the inner ring, the telescopic rod can slide relative to the first fixing part;

A buckle, which is rotatably connected to the first fixing part, and a side of the buckle facing away from the telescopic rod is provided with a pry bar; and

A first sliding rod, one end of the first sliding rod is connected to the prying rod, and the first sliding rod is arranged in parallel with the telescopic rod;

In the anti-skid state, the control structure controls the telescopic rod to drive the anti-skid cap to extend, and the buckle is engaged in the card slot to lock the telescopic rod;

In the retracted state, the control structure controls the first sliding rod to drive the buckle to rotate to open the clamping slot, so that the telescopic rod drives the anti-skid cap to retract.
The anti-skid device according to claim 7, wherein the self-locking structure is further provided with a circlip, one end of the circlip is connected to the buckle, and the other end is connected to the first fixing portion, the control structure controls With the extension of the telescopic rod and the first sliding rod, the buckle rotates around the telescopic rod under the torsion force of the clamping spring, so that the buckle is engaged with and disengaged from the clamping slot.
The anti-skid device according to claim 8, wherein one end of the first sliding rod is provided with a second pressing plate, and the other end is provided with a limit spring, and the end of the first sliding rod provided with the limit spring is inserted into In the sleeve connected by the inner ring, the first sliding rod slides in the sleeve.
The anti-skid device according to claim 4, wherein the self-locking structure comprises:

A second fixing part connected to the inner ring, the telescopic rod can slide relative to the second fixing part, and the second fixing part is provided with a sliding groove;

The tongue is slidably provided at the end of the slide groove close to the inner ring;

A spring piece, one end of the spring piece is elastically connected to the second fixing portion, and the other end is connected to the tab; and

A second sliding rod, a pulley is provided at one end of the second sliding rod, and is slidably accommodated in the sliding groove;

In the anti-skid state, the control structure controls the telescopic rod to drive the anti-skid cap to extend, and the tab is engaged in the card slot to lock the telescopic rod;

In the retracted state, the control structure controls the second sliding rod to slide along the sliding slot, and pushes the tab to slide to open the clamping slot, so that the telescopic rod drives the anti-skid cap to retract .
The anti-skid device according to claim 10, wherein the second sliding rod is provided with the second pressing plate at an end away from the tongue, and the tongue is provided with a guide slope inclined to the slide groove, The control structure slides the second sliding rod toward the tab in the sliding groove through the second pressing plate, so that the pulley contacts the guide slope.
The anti-skid device according to claim 4, wherein the self-locking structure comprises:

A third fixing part connected to the inner ring, the telescopic rod can slide relative to the third fixing part, and the third fixing part is provided with an escape groove;

The limiting block is rotatably located in the avoiding groove, and the limiting block is provided with a clamping tooth that engages with the clamping groove;

A third sliding rod, one end of the third sliding rod is rotatably connected to the third fixing portion, and fixedly connected to the limiting block; and

Elastic buckle, one end of the elastic buckle is connected to the third fixing part, and the other end is connected to the limiting block;

In the anti-skid state, the control structure controls the telescopic rod to drive the anti-skid cap to extend, and the teeth of the limiting block are engaged in the card slot to lock the telescopic rod;

In the retracted state, the control structure controls the third sliding rod to drive the limit block to rotate to open the clamping slot, so that the telescopic rod drives the anti-skid cap to retract.
The anti-skid device according to claim 1, wherein the control structure comprises:

A fixed seat set to fix the control structure;

The first driving part is connected with the fixed base;

A push rod, one end of the push rod is connected to the first driving member, and the other end is provided with a first pressing wheel, and the first driving member can control the push rod to extend or contract; and

A bracket is connected to the push rod and slidingly connected to the fixed seat, and a second pressing wheel is provided at an end of the bracket away from the first pressing wheel;

In the anti-skid state, the first driving member controls the push rod to extend, and drives the first pressing wheel to push the extension assembly, so that the extension assembly drives the anti-skid cap to extend , And the self-locking structure locks the protruding assembly;

In the retracted state, the first driving member controls the push rod to retract, and drives the bracket and the second pressing wheel, so that the second pressing wheel pushes the self-locking structure to open the extension The assembly, so that the extension assembly drives the anti-skid cap to retract.
The anti-skid device according to claim 13, wherein the first driving member is provided as a motor, a hydraulic press, a starter, or a mechanical switch.
The anti-skid device according to claim 13, wherein the fixing seat is provided with a connecting hole, and the fixing seat is connected to the vehicle body through the connecting hole.
The anti-skid device according to claim 13, wherein the fixing seat is provided with a guide groove, and the bracket is disposed to slide relative to the fixing seat through the guide groove.
The anti-skid device according to claim 1, wherein the control structure comprises:

A fixed frame, the fixed frame is provided with gears penetrating opposite sides thereof;

The second driving member is provided on the fixing frame and connected with the gear;

A first pressing rod, a first rack meshing with the gear is provided at one end, and a first pressing wheel is provided at the other end; and

The second pressing rod has a second rack meshed with the gear at one end and a second pressing wheel at the other end;

The first pressure bar and the second pressure bar are provided on opposite sides of the fixing frame, and mesh with the gear through the first rack and the second rack;

In the anti-skid state, the second driving member controls the gear to rotate forward to drive the first pressing rod to extend toward the first pressing wheel and drive the second pressing rod to retract, The first pressing rod pushes the extension assembly, so that the extension assembly drives the anti-skid cap to extend, and the self-locking structure locks the extension assembly;

In the retracted state, the second driving member controls the gear to reverse to drive the second pressing rod to extend toward the second pressing wheel and drive the first pressing rod to retract, The second pressing rod pushes the self-locking structure to open the extension assembly, so that the extension assembly drives the anti-skid cap to retract.
The anti-skid device according to claim 17, wherein the fixing frame is provided with a track groove to slide the first pressure bar and the second pressure bar in the track groove.
An automobile, which includes wheels, a car body and an anti-skid device, the anti-skid device includes a control structure detachably connected to the car body, a wheel disc detachably connected to the wheel, and a plurality of telescopic structures, each telescopic structure It includes a protruding component and a self-locking structure. One end of the protruding component slidably passes through the wheel and is provided with a non-slip cap. The self-locking structure is provided at the other end of the protruding component and locks Tighten or open the protruding assembly;

The anti-skid device has the control structure to control the anti-skid state of the extension assembly relative to the wheel, and the control structure controls the self-locking structure to open the extension assembly so that the extension assembly is opposed The contracted state of the roulette contraction;

In the anti-skid state, the extending assembly extends relative to the wheel, so that the anti-skid cap protrudes from the outer surface of the wheel, and the self-locking structure locks the extending assembly.
The automobile of claim 19, wherein the body includes an axle, the control structure is detachably connected to the axle, and the wheel disc and the plurality of telescopic structures are detachably connected to the wheels. The