CN214396845U - Foldable tool cart back-pushing function device - Google Patents

Abstract

The utility model discloses a foldable tool cart back-pushing function device, relating to the field of outdoor leisure furniture; the tool car comprises a back-push functional device assembly and a foldable tool car body assembly; the rear pushing functional device assembly is arranged behind the foldable tool car body assembly; the backward pushing function device component comprises a group of back wheel carrier components, a group of front handle bar components, two groups of back handle bar components, a group of lock device components, a group of handle bar components, a lock hook, a lock column, a mesh bag and a back wheel; the utility model arranges the rear push functional device component at the rear of the foldable tool car body component, so that the foldable car folded into a sheet shape gets rid of the current situation that the foldable car can only be pulled in front, and realizes the function of pushing in the rear; the linkage is good, and the folding and unfolding are convenient, simple and labor-saving when in use; the folding car is small in sheet size after being folded, does not exceed the size of an original folding car after being additionally installed, can be easily placed in a car trunk when going out, can easily stand in a narrow space indoors, and is light in weight and good in stability.

Description

Foldable tool cart back-pushing function device

Technical Field

The utility model relates to an outdoor leisure furniture field, concretely relates to folding tool bogie backstepping function device.

Background

Folding carts are often used when playing outdoors or on beach. The folding cart in the prior art has the following two types: the folding bicycle is a folding bicycle which can only be pulled forwards, and the folding bicycle is a simple folding bicycle with a backward pushing function, is complex to operate, can be unfolded or closed only by simultaneously operating two hands, and has large moving clearance between a handle and a bicycle body and poor stability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's folding tool bogie back pushing function device, receive to close simple laborsaving when, the one hand can be operated, and receive to close back occupation space little, the trip can easily be placed in vapour car trunk, indoor can easily stand in narrow and small space, light in weight, stability are good.

In order to achieve the above object, the utility model adopts the following technical scheme: the tool car comprises a back-push functional device assembly and a foldable tool car body assembly; the rear pushing functional device assembly is arranged behind the foldable tool car body assembly;

the backward pushing function device component comprises a group of back wheel carrier components, a group of front handle bar components, two groups of back handle bar components, a group of lock device components, a group of handle bar components, a lock hook, a lock column, a mesh bag and a back wheel; the locking device assembly is arranged above the rear wheel carrier assembly; the lower end of the front handle bar component is rotationally connected with the rear wheel carrier component, and the upper end of the front handle bar component is rotationally connected with the front end of the handle bar component; the two groups of handle rear support rod assemblies are arranged on the two sides of the rear wheel carrier assembly in a bilateral symmetry manner; one end of the handle rear support rod component is rotationally connected with the middle part of the rear wheel carrier component, and the other end of the handle rear support rod component is rotationally connected with the rear end of the handle rod component; the latch hook is arranged at the joint of the handle rear support rod component and the handle rod component on the right side; four corners of the mesh bag are fixed on the inner side of the handle bar component; the two rear wheels are arranged at the bottom of the rear wheel carrier component in a bilateral symmetry manner; the lock column is arranged at the lower end of the right side of the rear wheel carrier component;

further, the foldable tool car body assembly comprises a cloth cover car body; the front side of the cloth cover vehicle body is provided with a front wheel; the left side and the right side of the cloth cover vehicle body are symmetrically provided with cross rod assemblies; the cross bar component is formed by connecting a plurality of cross bars; a pulling plate is arranged on the cross rod above the last side; the foldable tool vehicle body component is rotationally connected with the middle parts and the lower ends of the two sides of the rear wheel carrier component through a cross rod and a pull plate below the rear side;

furthermore, the rear wheel frame assembly comprises a rear wheel frame, a rear wheel frame support rod, a locking seat fixing rod, a rear shaft support and a handle support rod connecting piece; the rear wheel frame support rod is arranged below the rear wheel frame; the two rear shaft supports are arranged below the rear wheel carrier support rods in a bilateral symmetry manner; the two lock seat fixing rods are arranged on the inner side above the rear wheel carrier in a bilateral symmetry manner; the two handle support rod connecting pieces are arranged above the rear wheel frame in a bilateral symmetry manner;

furthermore, the handle front support rod assembly comprises a handle front support rod and a handle locking rod; the two handle front supporting rods are arranged at the two ends of the handle locking rod in a bilateral symmetry manner, and the upper end and the lower end of each of the two handle front supporting rods are provided with a pipe sleeve;

furthermore, the handle rear support rod assembly comprises a handle rear support rod and a pipe sleeve; pipe sleeves are arranged at the upper end and the lower end of the rear supporting rod of the handle;

furthermore, the handle bar assembly comprises a handle bar, a handle bar rubber sleeve and a top sleeve; the handle rod rubber sleeve is arranged in the middle of the handle rod; both ends of the handle rod are provided with jacking sleeves;

furthermore, four corners of the mesh bag are provided with assembling holes; four corners of the mesh bag are fixed to the inner side of the handle bar component through the assembling holes;

furthermore, the lock device assembly comprises an unlocking rod assembly and two lock assemblies symmetrically arranged at two ends of the unlocking rod assembly; the unlocking rod assembly comprises an unlocking rod, a rivet nut and an unlocking rod rubber sleeve; the two rivet nuts are arranged at the two ends of the unlocking rod in a bilateral symmetry mode, and the unlocking rod rubber sleeves are arranged in the middle of the unlocking rod; the lock assembly comprises a lock seat, a locking piece, a lock sliding block, a lock seat top cover, a lock seat rear cover, a locking piece spring and a sliding block spring.

After adopting above-mentioned structure, compare with prior art, a folding tool bogie back push function device, have following advantage:

1. the rear pushing functional device component can be additionally arranged behind the integrated foldable tool car, so that the folding car which can only be pulled forwards is added with the rear pushing function;

2. the linkage is good, and the folding and unfolding are convenient, simple and labor-saving when in use;

3. the folding automobile trunk is small in size after being folded, can be easily placed in an automobile trunk when going out, can easily stand in a narrow space indoors, and is light in weight and good in stability;

4. has the advantages of simple structure, reasonable arrangement, low manufacturing cost and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of the present invention in an expanded state;

fig. 2 is a schematic view of the closed state of the present invention;

FIG. 3 is a schematic structural view of a body assembly of the foldable utility vehicle;

FIG. 4 is a schematic structural diagram of a push-back feature assembly;

FIG. 5 is a schematic structural view of the rear wheel carriage assembly;

FIG. 6 is a schematic view of the front strut assembly of the handle;

FIG. 7 is a schematic view of the rear handle bar assembly;

FIG. 8 is a schematic structural view of the handle bar assembly;

FIG. 9 is a schematic structural view of the unlatching lever assembly;

FIG. 10 is a schematic view of the lock assembly in the locked condition;

fig. 11 is a schematic view of the lock device assembly when unlocked.

Description of reference numerals:

1. a rear wheel carrier; 2. a rear wheel carrier strut; 3. a lock base fixing rod; 4. a rear axle bracket; 5. a handle front support bar; 6. a handle locking lever; 7. the handle support rod is straight; 8. a handle bar; 9. unlocking the rod; 10. pulling and riveting the nut; 11. a handle strut connector; 12. a handle bar rubber sleeve; 13. unlocking the rod rubber sleeve; 14. a lock seat; 15. a lock slide block; 16. a locking member; 17. a lock base top cover; 18. a lock base rear cover; 19. a lock slide spring; 20. a locking member spring; 21. a latch hook; 22. a lock cylinder; 23. a rear wheel; 24. pipe sleeve; 25. jacking and sleeving; 26. a mesh bag; 27. a cross bar; 28. pulling a plate; 29. a cloth cover vehicle body.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The technical scheme adopted by the specific implementation mode is as follows: referring to fig. 1, 2 and 4, it comprises a push-back function device assembly, a foldable tool car body assembly; the rear pushing functional device assembly is arranged behind the foldable tool car body assembly; the backward pushing function device component comprises a group of backward wheel carrier components, a group of front handle bar components, two groups of rear handle bar components, a group of lock device components, a group of handle bar components, a lock hook 21, a lock column 22, a mesh bag 26 and a back wheel 23; the locking device assembly is arranged above the rear wheel carrier assembly; the lower end of the front handle bar component is rotationally connected with the rear wheel carrier component, and the upper end of the front handle bar component is rotationally connected with the front end of the handle bar component; the two groups of handle rear support rod assemblies are arranged on the two sides of the rear wheel carrier assembly in a bilateral symmetry manner; one end of the handle rear support rod component is rotationally connected with the middle part of the rear wheel carrier component, and the other end of the handle rear support rod component is rotationally connected with the rear end of the handle rod component; the latch hook 21 is arranged at the joint of the handle rear support rod assembly and the handle rod assembly at the right side; four corners of the mesh bag 26 are fixed on the inner side of the handle bar component; the two rear wheels 23 are arranged at the bottom of the rear wheel carrier component in a bilateral symmetry manner; a lock cylinder 22 is provided at the lower right end of the rear wheel carrier assembly.

Referring to fig. 3, the foldable tool car body assembly comprises a cloth body 29; the front side of the cloth cover vehicle body 29 is provided with a front wheel; the left side and the right side of the cloth cover vehicle body 29 are symmetrically provided with cross rod components; the cross bar component is formed by rotationally connecting a plurality of cross bars 27; a pulling plate 28 is arranged on the cross rod 27 above the last side; the foldable tool vehicle body component is rotationally connected with the middle part and the lower end of the two sides of the rear wheel frame component through a cross rod 27 and a pull plate 28 below the rear side;

referring to fig. 5, the rear wheel frame assembly includes a rear wheel frame 1, a rear wheel frame support rod 2, a lock seat fixing rod 3, a rear axle support 4, and a handle support rod connecting piece 11; the rear wheel frame support rod 2 is welded and fixed with the lower part of the rear wheel frame 1, and the two rear shaft supports 4 are arranged on the rear wheel frame support rod 2 in a bilateral symmetry manner and are welded and fixed; the two lock seat fixing rods 3 are arranged on the inner side above the rear wheel carrier 1 in a bilateral symmetry manner and are welded and fixed; the two handle support rod connecting pieces 11 are arranged above the rear wheel carrier 1 in a bilateral symmetry manner;

referring to fig. 6, the handle front strut assembly includes a handle front strut 5, a handle locking rod 6, and a tube sleeve 24; the two handle front supporting rods 5 are arranged at two ends of the handle locking rod 6 in a bilateral symmetry mode and are fixedly welded, and pipe sleeves 24 are arranged at the upper end and the lower end of each of the two handle front supporting rods 5;

referring to fig. 7, the handle rear strut assembly comprises a handle rear strut 7 and a tube sleeve 24; pipe sleeves 24 are arranged at the upper end and the lower end of the handle rear supporting rod 7;

referring to fig. 8, the handle bar assembly comprises a handle bar 8, a handle bar rubber sleeve 12 and a top sleeve 25; the handle rod rubber sleeve 12 is arranged in the middle of the handle rod 8; both ends of the handle rod 8 are provided with top sleeves 25;

referring to fig. 9 and 10, the lock device assembly comprises an unlocking rod assembly and two lock assemblies symmetrically arranged at two ends of the unlocking rod assembly; the unlocking rod assembly comprises an unlocking rod 9, a rivet nut 10 and an unlocking rod rubber sleeve 13; the two rivet nuts 10 are symmetrically arranged at the two ends of the unlocking rod 9 left and right, and the unlocking rod rubber sleeve 13 is arranged in the middle of the unlocking rod 9; the lock assembly comprises a lock holder 14, a lock sliding block 15, a locking piece 16, a lock holder top cover 17, a lock holder rear cover 18, a sliding block spring 19 and a locking piece spring 20; the two locking seats 14 are arranged at two ends of the unlocking rod 9 in bilateral symmetry, two ends of the unlocking rod 9 are penetrated through lower end holes of the locking seats 14, the locking part spring 20 and the locking part 16 are sequentially arranged from the upper end of the locking seat 14 on one side, the locking part 16 is connected with the unlocking rod 9, the locking seat top cover 17 is arranged above the locking seat 14, and the locking slide block 15, the locking slide block spring 19 and the locking seat rear cover 18 are sequentially arranged from the rear of the locking seat 14 and are fixed together.

Specifically, referring to fig. 3 and 4, the lock seat 14 in the lock device assembly is arranged above the rear wheel frame 1 in the rear wheel frame assembly, the lower end of the handle front strut 5 in the handle front strut assembly is rotatably connected with the handle strut connecting piece 11 in the rear wheel frame assembly, and the upper end is rotatably connected with the front end of the handle rod 8 in the handle rod assembly; the two groups of handle rear supporting rod assemblies are arranged on the two sides of the rear wheel carrier assembly in a bilateral symmetry mode, one end of each handle rear supporting rod 7 is rotatably connected with the middle of the rear wheel carrier 1, the other end of each handle rear supporting rod 7 is rotatably connected with the rear end of a handle rod 8 in the handle assembly, and a locking hook 21 is additionally arranged between the right handle rear supporting rod 7 and the handle rod 8; the four corners of the mesh bag 26 are fixed to the inner side of the handle bar component through the assembling holes, so that the mesh bag is attractive, small articles which need to be carried about in daily trips can be conveniently placed, and the mesh bag is convenient to take; two rear wheels 23 are arranged in the rear shaft bracket 4 in the rear wheel carrier assembly in a bilateral symmetry manner, and a locking column 22 is arranged at the lower end of the right side of the rear wheel carrier 1 to form a rear push handle device assembly; the pulling plate 28 and the cross bar 27 on the two sides of the last side in the body component of the foldable tool wagon are respectively and rotatably connected with the middle part and the lower end of the two sides of the rear wheel frame 1 in the rear push handle device component to form the foldable tool wagon.

The utility model discloses the expansion method as follows: the lock hook 21 is lifted upwards to be separated from the lock column 22, the handle bar rubber sleeve 12 of the handle is lifted upwards, the handle front support rod 5 and the handle rear support rod 7 extend outwards and rotate upwards under the linkage effect, the handle locking rod 6 slides into the lock seat 14 to jack the locking slide block 15 into the lock seat, at the moment, the locking slide block spring 19 is compressed under pressure, the locking slide block 15 is separated from the locking piece 16, the locking piece spring 20 releases the pressure and extends upwards, and the locking piece 16 is popped out, which is shown in figure 10; the handle locking bar 6 is secured within the lock housing 14 and the handle is pushed open after completion, as shown in figure 1.

The utility model discloses closed method as follows: the locking bar rubber sleeve 13 is held by hand and pulled downwards, the locking piece 16 is driven to slide downwards, the locking piece spring 20 is compressed at the moment, the locking piece 16 is separated from the locking slide block 15, the locking slide block spring 19 releases the pressure and extends forwards, the locking slide block 15 pops out to lock the locking piece 16, and the method is shown in a picture 11; at this time, the handle locking lever 6 is separated from the lock seat 14, the handle front support rod 5 and the handle rear support rod 7 extend outwards and rotate downwards, the handle rod 8 moves downwards under the linkage action and is finally parallel to the rear wheel frame 1, the locking hook 21 is buckled on the locking column 22, and the handle is pushed backwards to be closed, as shown in fig. 2.

The utility model discloses it is fashionable simple laborsaving to receive, and the one hand can be operated, and it is little to receive back occupation space to receive and close, and the trip can easily be placed in vapour car trunk, indoor can easily stand in narrow and small space, light in weight, stability are good.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (8)

1. A foldable tool cart backward-pushing function device is characterized by comprising a backward-pushing function device component and a foldable tool cart body component; the rear pushing functional device assembly is arranged behind the foldable tool car body assembly;

the backward pushing function device component comprises a group of back wheel carrier components, a group of front handle bar components, two groups of back handle bar components, a group of lock device components, a group of handle bar components, a lock hook, a lock column, a mesh bag and a back wheel; the locking device assembly is arranged above the rear wheel carrier assembly; the lower end of the front handle bar component is rotationally connected with the rear wheel carrier component, and the upper end of the front handle bar component is rotationally connected with the front end of the handle bar component; the two groups of handle rear support rod assemblies are arranged on the two sides of the rear wheel carrier assembly in a bilateral symmetry manner; one end of the handle rear support rod component is rotationally connected with the middle part of the rear wheel carrier component, and the other end of the handle rear support rod component is rotationally connected with the rear end of the handle rod component; the latch hook is arranged at the joint of the handle rear support rod component and the handle rod component on the right side; four corners of the mesh bag are fixed on the inner side of the handle bar component; the two rear wheels are arranged at the bottom of the rear wheel carrier component in a bilateral symmetry manner; the lock post is arranged at the lower end of the right side of the rear wheel carrier component.

2. The foldable tool cart push-back function device of claim 1, wherein said foldable tool cart body assembly comprises a cloth cart body; the front side of the cloth cover vehicle body is provided with a front wheel; the left side and the right side of the cloth cover vehicle body are symmetrically provided with cross rod assemblies; the cross bar component is formed by rotationally connecting a plurality of cross bars; a pulling plate is arranged on the cross rod above the last side; the foldable tool vehicle body component is rotationally connected with the middle parts and the lower ends of the two sides of the rear wheel carrier component through a cross rod and a pull plate below the rear side.

3. The foldable tool cart backward pushing function device of claim 1, wherein the backward wheel frame assembly comprises a backward wheel frame, a backward wheel frame support rod, a lock seat fixing rod, a backward shaft support, a handle support rod connecting piece; the rear wheel frame support rod is arranged below the rear wheel frame; the two rear shaft supports are arranged below the rear wheel carrier support rods in a bilateral symmetry manner; the two lock seat fixing rods are arranged on the inner side above the rear wheel carrier in a bilateral symmetry manner; the two handle support rod connecting pieces are arranged above the rear wheel frame in a bilateral symmetry manner.

4. The foldable tool cart backward-pushing function device as claimed in claim 1, wherein said handle front supporting rod assembly comprises a handle front supporting rod, a handle locking rod; the two handle front supporting rods are arranged at two ends of the handle locking rod in a bilateral symmetry mode, and the upper end and the lower end of each handle front supporting rod are provided with a pipe sleeve.

5. The foldable tool cart backward-pushing function device as claimed in claim 1, wherein said handle backward-rod assembly comprises a handle backward-rod, a tube sleeve; pipe sleeves are arranged at the upper end and the lower end of the rear supporting rod of the handle.

6. The foldable tool cart push-back function device of claim 1, wherein the handle bar assembly comprises a handle bar, a handle bar rubber sleeve and a top sleeve; the handle rod rubber sleeve is arranged in the middle of the handle rod; both ends of the handle rod are provided with jacking sleeves.

7. The foldable tool cart push-back function device of claim 1, wherein the four corners of the mesh bag are provided with assembling holes; the four corners of the mesh bag are fixed to the inner side of the handle bar assembly through the assembly holes.

8. The foldable tool cart push-back function device as claimed in claim 1, wherein said lock assembly comprises an unlocking rod assembly and two lock assemblies symmetrically arranged at two ends of the unlocking rod assembly; the unlocking rod assembly comprises an unlocking rod, a rivet nut and an unlocking rod rubber sleeve; the two rivet nuts are arranged at the two ends of the unlocking rod in a bilateral symmetry mode, and the unlocking rod rubber sleeves are arranged in the middle of the unlocking rod; the lock assembly comprises a lock seat, a locking piece, a lock sliding block, a lock seat top cover, a lock seat rear cover, a locking piece spring and a sliding block spring.

Images