CN210363183U

CN210363183U - Detachable escaping rack

Info

Publication number: CN210363183U
Application number: CN201921226229.1U
Authority: CN
Inventors: 窦全玉; 窦可欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-21
Anticipated expiration: 2029-07-31

Abstract

The application relates to an auxiliary driving tool for an automobile, in particular to a detachable escaping frame; the telescopic blade pair parts are detachably and fixedly arranged on the outer side edge of a tire radial plate; each group of telescopic blade pairs comprises a pair of telescopic blade assemblies which are centrosymmetric by taking the axial projection point of the tire axis as a datum point. Due to the implementation of the technical scheme, the inner cylinder is detachably mounted on the tire radial plate, the inner cylinder moves outwards under the action of elastic force, and the blades exceed the tire tread position; when the vehicle runs on a normal road surface, the blade meets large resistance and overcomes the elastic force to retract into the inner cylinder, and the normal running of the vehicle is not influenced.

Description

Detachable escaping rack

Technical Field

The application relates to an automobile auxiliary driving tool, in particular to a detachable escaping frame.

Background

The vehicle is in the road conditions such as mire, desert, snowfield because of the tire grip power is not enough, appears the tire easily and skids, falls into the pit, falls into car phenomenon etc. and even causes the accident when serious. At present, most of the antiskid chains are additionally arranged on tires on the market, the antiskid chains play an antiskid role through increasing the friction force between the antiskid chains and the road surface, but the antiskid chains are only suitable for common road surfaces, and once vehicles enter deserts, snowfields and mud marshes, the antiskid chains cannot play a role at all, and the antiskid chains are complex in disassembly and assembly work, time-consuming and labor-consuming.

Disclosure of Invention

The utility model provides an improve tire and grab land fertility, prevent to skid, improve the detachable frame of getting rid of poverty of vehicle throughput.

The application is realized as follows: the detachable escaping frame comprises at least one group of telescopic blade pair parts which are uniformly distributed along the circumference, and the telescopic blade pair parts are detachably and fixedly arranged on the outer side edge of the tire spoke plate; each group of telescopic blade pairs comprises a pair of telescopic blade assemblies which are centrosymmetric by taking the axial projection point of the tire axis as a datum point; the telescopic blade assembly comprises an outer cylinder fixed at a datum point, an inner cylinder which is sleeved in the outer cylinder in a sliding telescopic mode and has outward elasticity in a natural state, and a steel wire rope for limiting the maximum outward displacement of the inner cylinder is connected between the inner cylinder and the outer cylinder or between the inner cylinder and the datum point; the outer part of the inner cylinder is detachably provided with blades which can exceed the tire tread of the tire.

Furthermore, the number of the telescopic blade pairs is two or three, and the inner ends of four or six corresponding outer cylinders are fixedly connected together to form a whole; the inner end of the outer cylinder is enclosed to form a cubic space with a front cover and a rear cover, a ratchet wheel assembly is arranged in the cubic space, a pawl used for biting the ratchet wheel assembly is assembled on the ratchet wheel assembly, and a steel wire rope for limiting the maximum outward displacement of the inner cylinder is connected between the ratchet wheel assembly and each inner cylinder.

Furthermore, the ratchet wheel assembly comprises a ratchet wheel disc and a hinge shaft which are coaxially fixed together, a pawl which bites the ratchet wheel disc through spring force is arranged on the ratchet wheel disc in a matching mode, one end of the pawl is outwards extended to form an extension handle, and the tail end of the extension handle is provided with an operating rod communicated with the outside; the winch shaft is internally provided with a steel wire fixing bolt and a steel wire fixing nut with an end cover in a matching mode, the middle ends of two or three steel wire ropes are clamped and fixed through the matching of the steel wire fixing bolt and the steel wire fixing nut, and the two ends of each steel wire rope are correspondingly connected to two inner cylinders of the pair of telescopic blade assemblies respectively.

Furthermore, holes for the steel wire rope to pass through are formed in the steel wire fixing nut and the twisting shaft; the positions of the holes correspond to the inner end face of the end cover of the steel wire fixing nut, and the holes are uniformly distributed along the circumference; the end of the steel wire fixing bolt extending into the steel wire fixing nut is provided with a groove.

Furthermore, the center of the outer end face of the ratchet wheel disc is provided with an inner hexagonal hole, and the wall of the cubic space is provided with a through hole corresponding to the inner hexagonal hole.

Furthermore, the inner end of the outer barrel is provided with an installation platform, the middle part of the inner barrel is provided with a partition plate, the end of the steel wire rope is fixed on the partition plate, a compression spring is installed between the partition plate and the installation platform, the partition plate divides the upper part of the inner barrel into a sleeve frame, and one side of each blade is fixedly connected with a blade rod which is inserted into the sleeve frame in a matching mode and forms a fixed relation.

Furthermore, the inner cylinder, the outer cylinder and the blade rods are all formed by square tubes, two adjacent side surfaces of the sleeve frame on the upper part of the inner cylinder are provided with double lock holes, and the double lock holes are arranged along the radial direction of the tire; a lock rod is hinged in the blade rod, and a double bolt capable of penetrating through the side wall of the blade rod is arranged on the lock rod; the lock rod is tightly attached to the inner wall of the blade rod through spring force, and the corresponding double bolts are locked into the double lock holes in a matched mode.

Furthermore, the blade is provided with an expanding hole and an enlarging sheet is fixedly arranged on the blade through the expanding hole.

Furthermore, an installation frame is fixed on one side of the outer cylinder, the other end of the installation frame is fixed on the tire spoke plate through bolts, and a rubber mat is clamped between the installation frame and the tire spoke plate.

Due to the implementation of the technical scheme, the inner cylinder is detachably mounted on the tire radial plate, the inner cylinder moves outwards under the action of elastic force, and the blades exceed the tire tread position; when the vehicle runs on a normal road surface, the blade meets large resistance and overcomes the elastic force to retract into the inner cylinder, and the normal running of the vehicle is not influenced.

Drawings

The specific structure of the application is given by the following figures and examples:

FIG. 1 is a schematic structural diagram of the preferred embodiment of the present application in an operating state;

FIG. 2 is a schematic side view of the structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

FIG. 4 is an enlarged schematic view of the space above the ground in FIG. 1;

FIG. 5 is a schematic cross-sectional view taken at A-A in FIG. 4;

FIG. 6 is a schematic view of the blade of FIG. 1 mounted by 90 degrees rotation;

FIG. 7 is a schematic view of the inner barrel of FIG. 6 fully retracted into the outer barrel;

FIG. 8 is a schematic view of the structure of the blade and the dotting plate.

Legend: 1. the tire comprises a tire spoke plate, 2. an outer cylinder, 3. an inner cylinder, 4. a steel wire rope, 5. a pawl, 6. a blade, 7. a ratchet disc, 8. an extension handle, 9. an operating rod, 10. a steel wire fixing bolt, 11. a steel wire fixing nut, 12. a groove, 13. an inner hexagonal hole, 14. a through hole, 15. an installation table, 16. a partition plate, 17. a compression spring, 18. a blade rod, 19. a locking rod, 20. an expansion hole, 21. an expansion sheet, 22. an installation frame, 23. a hinge shaft, 24. a double-bolt and 25. a tension rope.

Detailed Description

The present application is not limited to the following examples, and specific implementations may be determined according to the technical solutions and practical situations of the present application.

In the embodiment, as shown in fig. 1 to 8, the detachable escaping rack comprises at least one group of telescopic blade pairs which are uniformly distributed along the circumference, and the telescopic blade pairs are detachably and fixedly arranged at the outer side edge of a tire radial plate 1; each group of telescopic blade pairs comprises a pair of telescopic blade assemblies which are centrosymmetric by taking the axial projection point of the tire axis as a datum point; the telescopic blade assembly comprises an outer cylinder 2 fixed at a datum point, an inner cylinder 3 which is sleeved in the outer cylinder 2 in a sliding telescopic mode and has outward elasticity in a natural state, and a steel wire rope 4 for limiting the maximum outward displacement of the inner cylinder 3 is connected between the inner cylinder 3 and the outer cylinder 2 or between the inner cylinder 3 and the datum point; the inner cylinder 3 is externally and detachably provided with blades 6 which can exceed the tire tread.

A pair of centrosymmetric telescopic blade assemblies is shown in fig. 3 as a reference.

As shown in fig. 1 to 4, after entering the road surface such as mud, desert, snowfield and the like, the inner cylinder 3 extends out of the outer cylinder 2 to the limit position, the blade 6 exceeding the tire tread of the tire can be inserted into the road surface such as mud, desert, snowfield and the like along with the rotation of the tire, the ground gripping capability is greatly improved, the phenomenon of vehicle sinking caused by tire slip is prevented, and the vehicle passing capability is greatly improved; when the blade 6 meets large resistance, the inner cylinder 3 overcomes the elasticity and retracts into the outer cylinder 2, and the normal running of the vehicle is not influenced.

As shown in fig. 7, when the vehicle leaves the road surface such as mud, desert, snow, etc. for a while, the inner cylinder 3 retracts into the outer cylinder 2, and at this time, the blade 6 is positioned within the tire tread, thereby reducing unnecessary loss and not affecting the normal running of the vehicle.

After the vehicle thoroughly left road surfaces such as muddy, desert, snowfield, can take in carrying after unloading this application from tire radials 1.

This application can directly install additional on tire radials 1, and the transformation degree is low, low cost to convenient to detach also can widen the thickening tire radials, installs the flat head stripe rivet nut on the radials.

As shown in fig. 1 to 7, the number of the telescopic blade pairs is two or three, and the inner ends of the corresponding four or six outer cylinders 2 are fixedly connected together to form a whole; the inner end of the outer cylinder 2 encloses a cubic space with a front cover and a rear cover, a ratchet wheel assembly is arranged in the cubic space, a pawl 5 for biting the ratchet wheel assembly is assembled on the ratchet wheel assembly, and a steel wire rope 4 for limiting the maximum outward displacement of the inner cylinder 3 is connected between the ratchet wheel assembly and each inner cylinder 3.

The quantity of flexible blade to the piece is two sets of or three and along the circumference equipartition, can prevent that this application from appearing the eccentric force when rotatory, provides reliable support for installation blade 6.

As shown in fig. 1 to 7, the ratchet assembly comprises a ratchet disc 7 and a hinge shaft 23 which are coaxially fixed together, a pawl 5 which bites the ratchet disc 7 through spring force is arranged on the ratchet disc 7 in a matching way, one end of the pawl 5 is outwards extended to form an extension handle 8, and the tail end of the extension handle 8 is provided with an operating rod 9 communicated with the outside; the hinge 23 is internally provided with a steel wire fixing bolt 10 and a steel wire fixing nut 11 with an end cover in a matching manner, the middle ends of two or three steel wire ropes 4 are clamped and fixed through the matching of the steel wire fixing bolt 10 and the steel wire fixing nut 11, and two ends of each steel wire rope 4 are respectively and correspondingly connected to two inner cylinders 3 in a pair of telescopic blade assemblies.

As shown in fig. 1, 4, 6 and 7, the wire fixing nut 11 and the hinge 23 are provided with holes for the wire rope 4 to pass through; the holes are correspondingly arranged on the inner end face of the end cover of the steel wire fixing nut 11 and are uniformly distributed along the circumference; the end of the steel wire fixing bolt 10 extending into the steel wire fixing nut 11 is provided with a groove 12.

As shown in fig. 1 and 4, the center of the outer end face of the ratchet wheel disc 7 is provided with an inner hexagonal hole 13, and the wall of the cubic space is provided with a through hole 14 corresponding to the inner hexagonal hole.

As shown in fig. 1, 3, 4, 6 and 7, the inner end of the outer cylinder 2 is provided with a mounting table 15, the middle part of the inner cylinder 3 is provided with a partition plate 16, the end of the steel wire rope 4 is fixed on the partition plate 16, a compression spring 17 is arranged between the partition plate 16 and the mounting table 15, the partition plate 16 divides the upper part of the inner cylinder 3 into a sleeve frame, and one side of the blade 6 is fixedly connected with a blade rod 18 which is inserted into the sleeve frame in a matching manner and forms a fixed relation.

As shown in fig. 5, a spring or a bungee cord 25 providing tension is mounted on the pawls 5 for seizing the ratchet plate 7, and this can also be achieved by mounting a torsion spring on the hinge shaft. When the inner cylinder 3 needs to move outwards, the operating rod 9 is pulled, the pawl 5 is separated from the ratchet wheel disc 7, the inner cylinder 3 moves outwards under the action of the compression spring 17, and the inner cylinder 3 moves for limiting under the action of the steel wire rope 4. When the inner cylinder 3 needs to be recovered, an inner hexagonal wrench is inserted into the inner hexagonal hole 13 through the through hole 14, the inner hexagonal wrench is rotated, the steel wire rope 4 pulls the inner cylinder 3 to overcome the elastic force of the compression spring 17 for recovery, and the steel wire rope 4 is wound on the hinge shaft 23.

As shown in fig. 1 to 7, the inner cylinder 3, the outer cylinder 2 and the blade bar 18 are all formed by square pipes, two adjacent side surfaces of the upper sleeve frame of the inner cylinder 3 are provided with double lock holes, and the double lock holes are arranged along the radial direction of the tire; a lock rod 19 is hinged in the blade rod 18, and a double-bolt 24 capable of penetrating through the side wall of the blade rod 18 is arranged on the lock rod 19; the locking bar 19 is pressed against the inner wall of the blade bar 18 by spring force, and the corresponding double bolts 24 are locked in the double locking holes.

Square pipe can prevent effectively that blade 6 from rotating, and the cooperation is two lockholes, 24 settlement of double bolt, and blade 6 is fixed more firmly, can prevent to drive a vehicle in-process because of spacing bolt is not hard up to lead to blade 6 to drop. The locking lever 19 may be fitted with a spring or bungee cord 25 like device on the pawl 5 in fig. 5 or the locking function may be achieved by a torsion spring fitted on a hinge.

As shown in fig. 6 to 7, two adjacent side surfaces are provided with double locking holes, so that the blade 6 can be taken out and installed after rotating 90 degrees. Therefore, when the vehicle temporarily runs out of muddy, desert and snowy road conditions and the following road conditions exist, the inner barrel 3 can be completely contracted into the outer barrel 2, and then the blades 6 are installed at 90 degrees. At this time, the blade 6 does not exceed the height of the tire tread and does not occupy a large amount of external space positions of the tire like normal use, so that the vehicle can run conveniently.

As shown in fig. 8, the blade 6 is provided with an expanding hole 20 and an enlarged piece 21 is fixedly mounted through the expanding hole 20.

Therefore, under the condition of a road and the severe condition, the grip force is still insufficient under the assistance of the common blades 6, and the enlarged sheet 21 can be additionally arranged to improve the vehicle passing capacity.

As shown in fig. 1 to 7, a mounting bracket 22 is fixed to one side of the outer cylinder 2, the other end of the mounting bracket 22 is fixed to the tire web 1 by a bolt, and a rubber pad is interposed between the mounting bracket 22 and the tire web 1. The mounting frame 22 can keep the tire radial plate 1 at a certain distance from the blades 6, and prevent the blades 6 and stones, gravels and soil pulled out from the blades 6 from scratching the surface of the radial plate.

The above technical features constitute the best embodiment of the present application, which has strong adaptability and best implementation effect, and unnecessary technical features can be added or subtracted according to actual needs to meet the needs of different situations.

Claims

1. The utility model provides a detachable frame of getting rid of poverty which characterized in that: the telescopic blade pair parts are detachably and fixedly arranged on the outer side edge of a tire radial plate; each group of telescopic blade pairs comprises a pair of telescopic blade assemblies which are centrosymmetric by taking the axial projection point of the tire axis as a datum point; the telescopic blade assembly comprises an outer cylinder fixed at a datum point, an inner cylinder which is sleeved in the outer cylinder in a sliding telescopic mode and has outward elasticity in a natural state, and a steel wire rope for limiting the maximum outward displacement of the inner cylinder is connected between the inner cylinder and the outer cylinder or between the inner cylinder and the datum point; the outer part of the inner cylinder is detachably provided with blades which can exceed the tire tread of the tire.

2. The removable escape rack of claim 1, further comprising: the number of the telescopic blade pairs is two or three, and the inner ends of four or six corresponding outer cylinders are fixedly connected together to form a whole; the inner end of the outer cylinder is enclosed to form a cubic space with a front cover and a rear cover, a ratchet wheel assembly is arranged in the cubic space, a pawl used for biting the ratchet wheel assembly is assembled on the ratchet wheel assembly, and a steel wire rope for limiting the maximum outward displacement of the inner cylinder is connected between the ratchet wheel assembly and each inner cylinder.

3. The removable escape rack of claim 2, further comprising: the ratchet wheel assembly comprises a ratchet wheel disc and a twisting shaft which are coaxially fixed together, a pawl which bites the ratchet wheel disc through spring force is arranged on the ratchet wheel disc in a matching mode, one end of the pawl is outwards extended to form an extension handle, and an operating rod communicated with the outside is arranged at the tail end of the extension handle; the winch shaft is internally provided with a steel wire fixing bolt and a steel wire fixing nut with an end cover in a matching mode, the middle ends of two or three steel wire ropes are clamped and fixed through the matching of the steel wire fixing bolt and the steel wire fixing nut, and the two ends of each steel wire rope are correspondingly connected to two inner cylinders of the pair of telescopic blade assemblies respectively.

4. The removable escape rack of claim 3, wherein: holes for the steel wire rope to pass through are formed in the steel wire fixing nut and the twisting shaft; the positions of the holes correspond to the inner end face of the end cover of the steel wire fixing nut, and the holes are uniformly distributed along the circumference; the end of the steel wire fixing bolt extending into the steel wire fixing nut is provided with a groove.

5. The removable escape rack of claim 4, wherein: the center of the outer end face of the ratchet wheel disc is provided with an inner hexagonal hole, and the wall of the cubic space is provided with a through hole corresponding to the inner hexagonal screw hole.

6. The removable escape rack of claim 3 or 4 or 5, wherein: the inner of urceolus is equipped with the mount table, and the inner tube middle part is equipped with the baffle, and wire rope's end is fixed on the baffle, installs compression spring between baffle and the mount table, and the baffle separates into the cover frame with inner tube upper portion, and blade one side fixedly connected with matches the blade pole that inserts in the cover frame and form fixed relation.

7. The removable escape rack of claim 6, further comprising: the inner cylinder, the outer cylinder and the blade rod are all formed by square tubes, two adjacent side surfaces of a sleeve frame on the upper part of the inner cylinder are provided with double lock holes, and the double lock holes are arranged along the radial direction of the tire; a lock rod is hinged in the blade rod, and a double bolt capable of penetrating through the side wall of the blade rod is arranged on the lock rod; the lock rod is tightly attached to the inner wall of the blade rod through spring force, and the corresponding double bolts are locked into the double lock holes in a matched mode.

8. The removable escape rack of claim 1, 2, 3, 4, 5, or 7, wherein: the blade is provided with an expanding hole and an enlarging sheet is fixedly arranged on the blade through the expanding hole.

9. The removable escape rack of claim 1, 2, 3, 4, 5, or 7, wherein: and a mounting frame is fixed on one side of the outer cylinder, the other end of the mounting frame is fixed on the tire spoke plate through a bolt, and a rubber mat is clamped between the mounting frame and the tire spoke plate.

10. The removable bailing rack of claim 8, wherein: and a mounting frame is fixed on one side of the outer cylinder, the other end of the mounting frame is fixed on the tire spoke plate through a bolt, and a rubber mat is clamped between the mounting frame and the tire spoke plate.