CN218400839U - Wheel quick detach structure - Google Patents

Abstract

The utility model discloses a quick-release structure for wheels, which comprises a frame main body, two frames, a swivel mount arranged at the front end of each frame, and the swivel mounts of the two frames are rotatably connected; the rear end of the frame is provided with a rear wheel component; the top end of the rotary seat is provided with a locking groove; the front wheel assembly comprises a connecting shaft and a front wheel, the front wheel is pivoted at the bottom end of the connecting shaft, and the top end of the connecting shaft forms a connecting end; the hinge assembly comprises a hinge shaft, a pressing piece and a first elastic piece, and the hinge shaft is connected in the rotary seats of the two frames in a penetrating manner and is in pivoting fit with the rotary seats; a through channel communicated with the locking groove is arranged in the articulated shaft; the pressing piece is penetrated and connected in the locking groove; a bayonet is arranged on the side wall of the pressing piece; the first elastic piece is convexly arranged at the connecting end; the connecting shaft penetrates into the penetrating channel and extends out of the top end of the penetrating channel; the first elastic piece is used for being clamped into the clamping opening. The utility model discloses two frames of its frame main part can be folded up relatively, and the front wheel subassembly can be relative frame dismantlement, is convenient for deposit after folding.

Description

Wheel quick detach structure

Technical Field

The utility model relates to a wheel technical field especially relates to a wheel rapid disassembly structure.

Background

At present, a tricycle generally comprises a frame main body, a front wheel is arranged at the front end of the frame main body, rear wheels are respectively arranged on two sides of the rear end of the frame, then a handrail component is arranged on the frame main body, the existing tricycle product only has the functions of dismounting the handrail component and the rear wheel component, when the tricycle needs to be stored, the frame main body cannot be folded, and other components cannot be dismounted, so that the storage space after being folded is limited to a certain extent.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a wheel rapid disassembly structure, two frames of its frame main part can be folded up relatively, and the front wheel subassembly can be dismantled by the relative frame, is convenient for deposit after folding.

The purpose of the utility model is realized by adopting the following technical scheme:

a quick-release structure for a wheel comprises,

the frame main body comprises two frames, wherein the front ends of the frames are provided with rotary bases, and the rotary bases of the two frames are rotatably connected; the rear end of the frame is provided with a rear wheel component; a locking groove is formed in the top end of the rotating seat;

the front wheel assembly comprises a connecting shaft and a front wheel, the front wheel is pivoted at the bottom end of the connecting shaft, and the top end of the connecting shaft is formed into a connecting end;

the hinge assembly comprises a hinge shaft, a pressing piece and a first elastic piece, wherein the hinge shaft is connected in the rotary seats of the two frames in a penetrating manner and is in pivoting fit with the rotary seats; a through channel communicated with the locking groove is arranged in the articulated shaft; the pressing piece penetrates into the locking groove and can move close to or far away from the penetrating and connecting channel; a bayonet is arranged on the side wall of the pressing piece; the first elastic piece is convexly arranged at the connecting end; the connecting shaft penetrates into the penetrating channel and extends out of the top end of the penetrating channel, so that the connecting end extends out of the locking groove; the first elastic piece is used for corresponding to the bayonet and clamping the pressing piece into the bayonet when the pressing piece moves close to the penetrating channel.

Furthermore, a first penetrating groove is formed in the connecting end, and the first elastic piece penetrates into the first penetrating groove; the side wall of the first cross connecting groove is provided with a cross connecting port; the first elastic piece is provided with the protruding part, and the protruding part is used for extending out of the through opening under the elastic stress provided by the first elastic piece and is clamped in the through opening.

Furthermore, a second penetration groove is formed in the pressing piece, and the bayonet is arranged on the side wall of the second penetration groove; the connecting end is used for extending out of the locking groove and penetrating to the second penetrating and connecting groove.

Further, an opening of the second penetration groove is provided with an arc chamfer; the arc chamfer is used for guiding the first elastic piece to penetrate into the connecting end to penetrate into the second penetrating and connecting groove.

Furthermore, the first elastic part is a clamp spring, and two sides of the clamp spring protrude and form the protruding part.

Furthermore, a first limiting step is arranged at the top end of the hinged shaft, and a second limiting step is arranged at the bottom end of the hinged shaft; the first limiting step is used for abutting against the bottom wall of the locking groove; the second limiting step is used for abutting against the bottom end face of the rotary seat.

Furthermore, a plurality of hinge pieces arranged at intervals are arranged on the rotating seat; the hinge sheet is provided with a through hole; the hinge pieces on the two rotary bases are arranged in a staggered mode so that the through holes are correspondingly communicated.

Furthermore, a folding hinge rod assembly is further arranged between the front ends of the frames and comprises a second elastic piece and two hinge rods, one ends of the two hinge rods are respectively hinged to the front ends of the two frames, the other ends of the two hinge rods are hinged to each other, and the second elastic piece is connected between the two hinge rods.

Furthermore, the front ends of the two frames are also provided with storage bags; the top ends of the two frames are provided with handrail components.

Furthermore, the rear wheel subassembly includes linking arm and rear wheel, the one end of linking arm is connected in the rear end of frame with detachable mode, the other end pin joint of linking arm has the rear wheel.

Compared with the prior art, the beneficial effects of the utility model reside in that: when the foldable bicycle frame is folded, the two bicycle frames of the bicycle frame main body can be folded relatively, so that the space is reduced by folding, and the convenient placement is facilitated; the front wheel assembly can be detached relative to the frame, and the function of rapidly detaching multiple front wheel assemblies is added; after the packaging paper box is disassembled, the packaging paper box can be placed at any place convenient for space limitation, and the volume of the packaging paper box is greatly reduced; the mounting mode of the two front wheel assemblies is more convenient and is convenient to store after being folded.

In addition, during assembly, the connecting shaft can be directly inserted into the hinged shaft in the swivel mount and extends into the locking groove of the swivel mount through the first elastic piece to correspond to the bayonet of the pressing piece so as to realize locking, and the installation is rapid; and when dismantling the front wheel subassembly, can press down the pressing part with the finger, the pressing part can order about first elastic component deformation, and first elastic component can withdraw from the bayonet socket and pull down, realizes the quick detach.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of another perspective structure of the present invention;

FIG. 3 is a schematic view of the exploded structure of the present invention;

fig. 4 is a partial cross-sectional view of the present invention;

fig. 5 is a partial cross-sectional view of another state of the present invention.

In the figure: 10. a frame; 11. rotating; 111. a hinged sheet; 112. a locking groove; 12. a storage bag; 21. a front wheel; 22. a connecting shaft; 221. penetrating an interface; 222. a first penetration groove; 31. Hinging a shaft; 311. a first limit step; 312. a second limit step; 313. connecting a channel in a penetrating way; 32. a pressing member; 321. a bayonet; 322. a second penetration groove; 33. a first elastic member; 41. A rear wheel; 42. a connecting arm; 51. a hinged lever; 52. a second elastic member; 61. a grab rail; 62. adjusting a rod; 621. perforating; 63. an adjusting tube; 631. and adjusting the hole.

Detailed Description

The invention will be further described with reference to the following drawings and detailed description:

in the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1-5, a quick release structure for a wheel comprises a frame body, a front wheel assembly and a hinge assembly, wherein the frame body comprises two frames 10, a swivel base 11 is arranged at the front end of each frame 10, the swivel bases 11 of the two frames 10 are rotatably connected, and a locking groove 112 is arranged at the top end of each swivel base 11; rear wheel assemblies are provided at the rear ends of the respective frames 10. The front wheel assembly includes a connecting shaft 22 and a front wheel 21, the front wheel 21 is pivotally connected to the bottom end of the connecting shaft 22, and the top end of the connecting shaft 22 forms a connecting end.

Specifically, the hinge assembly includes a hinge shaft 31, a pressing member 32 and a first elastic member 33, the hinge shaft 31 is inserted into the rotation bases 11 of the two frames 10 and pivotally engaged with the rotation bases 11, it should be noted that when the two frames 10 are connected, the two rotation bases 11 can be stacked, the hinge shaft 31 passes through the two rotation bases 11 from bottom to top and is hinged, the locking groove 112 can be disposed in the rotation base 11 above, and an insertion passage 313 penetrating through the locking groove 112 is disposed in the hinge shaft 31.

The pressing piece 32 is penetrated into the locking groove 112 and can move close to or away from the penetration passage 313, and a bayonet 321 is provided on a sidewall of the pressing piece 32. In addition, the first elastic element 33 is protruded at the connection end, and the connection shaft 22 can be inserted into the insertion channel 313 and extended from the top end of the insertion channel 313, so that the connection end is extended to the locking groove 112. The first elastic member 33 may correspond to the bayonet 321 and be snapped into the bayonet 321 when the pressing member 32 moves close to the penetration passage 313.

On the basis of the structure, use the utility model discloses a during wheel rapid disassembly structure, it is when the assembly, swivel mount 11 of two frame 10 front ends can be articulated through articulated shaft 31, and articulated shaft 31's top can link up to the locking groove 112 that is located swivel mount 11 of top, and the cross-under that pressing piece 32 can be movable is in locking groove 112, then wear the connecting axle 22 that front wheel 21 is connected in cross-under passageway 313 in articulated shaft 31, in the process of penetrating, first elastic component 33 receives the inner wall extrusion of cross-under passageway 313 to keep the compression state, can correspond with pressing piece 32's bayonet 321 after passing out and getting into locking groove 112 at the link of connecting axle 22 through cross-under passageway 313, after that first elastic component 33 resets, and on the pressing piece 32 of locking groove 112 can be blocked joint, realize the locking of front wheel 21, the installation of front wheel subassembly is swift.

When the front wheel assembly is disassembled, the pressing piece 32 can be pressed downwards by fingers, the pressing piece 32 is stressed downwards, pressure can be applied to the first elastic piece 33, the first elastic piece 33 is driven to deform, the first elastic piece 33 can be withdrawn from the bayonet 321 to be disassembled, and quick disassembly is achieved.

When folding, because the two vehicle frames 10 can be hinged through the hinge shaft 31 and have a certain folding angle, the two vehicle frames 10 of the vehicle frame main body can be folded relatively, so that the folding reduces the space, and the convenient placement is facilitated; the front wheel assembly can be disassembled relative to the frame 10, so that the function of rapidly disassembling multiple front wheel assemblies is added; after the packaging paper box is disassembled, the packaging paper box can be placed at any place convenient for space limitation, and the volume of the packaging paper box is greatly reduced; the mounting mode of the two front wheel assemblies is more convenient and convenient to store after being folded.

It should be noted that the front wheel 21 can be a universal wheel in the prior art, so that the vehicle can flexibly turn during the driving process, and the use process is smoother. Of course, a handle assembly may be disposed at the top end of the frame 10 for holding by a hand during the driving of the vehicle, so as to facilitate the direction control.

Further, a first penetrating groove 222 may be further disposed on the connecting end, the first elastic element 33 is penetrated into the first penetrating groove 222, a penetrating port 221 may be disposed on a side wall of the first penetrating groove 222, and the first elastic element is provided with the protruding portion, and the protruding portion is configured to extend out from the penetrating port 221 under the elastic stress provided by the first elastic element 33 and is configured to be snapped into the bayonet 321. That is, when the first elastic member 33 and the connection end are assembled, the first elastic member 33 can be inserted into the first penetration groove 222, the protruding portion of the first elastic member 33 is aligned with the penetration opening 221, and the protruding portion keeps extending out of the penetration opening 221 under the elastic stress provided by the first elastic member 33 itself, so as to prevent the first elastic member 33 from being separated from the connection end.

When the connection shaft 22 penetrates the penetration passage 313 of the hinge shaft 31, the protrusion may be kept in a compressed state by the inner wall of the penetration passage 313 during the penetration process, so that the connection shaft 22 may be smoothly penetrated, and after the connection end enters the locking groove 112, the protrusion may be correspondingly locked with the bayonet 321 of the pressing piece 32 of the locking groove 112.

More specifically, a second penetration groove 322 may be further provided in the pressing member 32, the bayonet 321 may be provided on a sidewall of the second penetration groove 322, and the connection end may be penetrated into the second penetration groove 322 after protruding out of the locking groove 112. So, stretch out to locking groove 112 back at the top of connecting axle 22 through cross-under passageway 313, can get into in the second cross-under groove 322 of pressing piece 32, after getting into second cross-under groove 322, the bulge of link lateral part can with the second cross-under groove 322 lateral wall on bayonet socket 321 correspond after stretch out the joint can, the bulge can be by inboard bayonet socket 321 of going into promptly, the joint structure is more stable.

Of course, on the basis of the structure without the second passing through groove 322, the connection end can be sleeved at the bottom end of the pressing piece 32 after passing through the locking groove 112, and the first elastic piece 33 can be clamped into the bayonet 321 outside the bayonet 321.

Furthermore, still can be equipped with the circular arc chamfer at the opening of second cross connection groove 322, this circular arc chamfer is used for guiding first elastic component 33 to penetrate the link and penetrates in second cross connection groove 322, when carrying out the quick detach of front wheel subassembly like this, press above-mentioned pressing piece 32, the circular arc chamfer is owing to have certain radian of slope, pressing piece 32 is downward, the radian of slope can decompose the atress, apply horizontal force to first elastic component 33 on, be convenient for first elastic component 33 contracts in, get into in second cross connection groove 322, prevent the dead circumstances of card, connecting axle 22 alright lose the restriction of first elastic component 33 like this, can follow second cross connection groove 322 and extract through cross connection passageway 313.

Further, first elastic component 33 in this implementation is the jump ring, and the both sides arch of jump ring forms to the bulge, and jump ring simple structure just conveniently processes the bulge structure and forms the bulge, and the cost is lower, the later stage of being convenient for is changed.

Further, a first limiting step 311 may be disposed at the top end of hinge shaft 31, and a second limiting step 312 is disposed at the bottom end of hinge shaft 31; the first limit step 311 is used for abutting against the bottom wall of the locking groove 112; the second limiting step 312 is used for abutting against the bottom end face of the rotation seat 11, so that the cross sections of the top end and the bottom end of the hinge shaft 31 are in a T-shaped form structure, the first limiting step 311 at the top end is used for limiting the downward movement of the hinge shaft 31, the second limiting step 312 at the bottom end can be formed by secondary process stamping after assembly and used for limiting the gap between the first limiting step 311 and the second limiting step 312, and the first limiting step 311 and the second limiting step 312 are limited on the upper section and the lower section of the hinged cylinder, so that the upper section and the lower section of the hinged cylinder cannot be loosened or moved up and down;

further, be equipped with the articulated piece 111 that a plurality of intervals set up on swivel mount 11, above-mentioned articulated piece 111 is equipped with the cross-under hole, when carrying out the connection of two frames 10, a plurality of articulated pieces 111 on two swivel mounts 11 are crisscross to be set up so that each cross-under hole corresponds and link up, then penetrate above-mentioned articulated shaft 31 to each cross-under hole from bottom to top, two swivel mounts 11 alright can be with regard to the round hole as central pivot, and front wheel 21 passes through connecting axle 22 cross-under in articulated shaft 31, and the front wheel 21 connection axis also coincides with the center of round hole promptly, form overall structure, and can be used as arbitrary angle and swing to the rotation.

Further, an assembly of hinge rods 51 is further arranged between the front ends of the frames 10, the assembly of hinge rods 51 includes a second elastic member 52 and two hinge rods 51, one ends of the two hinge rods 51 are respectively hinged to the front ends of the two frames 10, the other ends of the two hinge rods 51 are hinged to each other, and the second elastic member 52 is connected between the two hinge rods 51, so that the front ends of the frames 10 can be supported by the two hinge rods 51, the two frames 10 are prevented from being connected only by the hinge assemblies and being too loose, the support of the two hinge rods 51 is matched, and the unfolded structure is more stable. The elastic stress provided by the second elastic member can keep the two hinge rods 51 in a stable unfolded state, and when the two hinge rods 51 are folded, the second elastic member is compressed by an external acting force, so that the two hinge rods 51 can be folded relatively.

Furthermore, the front ends of the two vehicle frames 10 are also provided with storage bags 12 which can be used for placing sundries, and the use functions are more various.

In addition, the top end of the frame can be provided with a handrail assembly, the handrail assembly comprises an adjusting rod and a handrail rod 61, the handrail rod can be connected to the bottom end of the adjusting rod 62, the adjusting rod 62 can movably penetrate through the frame and can move up and down along the height direction of the frame to drive the height of the handrail to be adjustable, and the handrail assembly is suitable for users with different heights.

Of course, specifically can be that set up the control tube 63 on the top of frame, adjust the pole and cross and connect in the control tube, through set up perforation 621 on adjusting the pole, set up a plurality of regulation holes 631 on the control tube, after the perforation of adjusting the pole corresponds with the regulation hole of co-altitude not, the cross-under bolt assemble and fix can, easy dismounting, and height control is convenient.

Further, the rear wheel assembly in this embodiment includes a connecting arm 42 and a rear wheel 41, one end of the connecting arm 42 is detachably connected to the rear end of the frame 10, the connecting arm 42 can be connected by a bolt, a screw, or the like, the other end of the connecting arm 42 is pivoted with the rear wheel 41, the rear wheel 41 is matched with the ground, and the connecting arm 42 is used for being connected with the frame body.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (10)

1. A quick release structure for a wheel is characterized by comprising,

the frame main body comprises two frames, wherein the front ends of the frames are provided with rotary bases, and the rotary bases of the two frames are rotatably connected; the rear end of the frame is provided with a rear wheel assembly; a locking groove is formed in the top end of the rotating seat;

the front wheel assembly comprises a connecting shaft and a front wheel, the front wheel is pivoted at the bottom end of the connecting shaft, and the top end of the connecting shaft forms a connecting end;

the hinge assembly comprises a hinge shaft, a pressing piece and a first elastic piece, and the hinge shaft is connected in the rotary bases of the two frames in a penetrating manner and is in pivoting fit with the rotary bases; a through channel communicated with the locking groove is arranged in the articulated shaft; the pressing piece penetrates into the locking groove and can move close to or far away from the penetrating and connecting channel; a bayonet is arranged on the side wall of the pressing piece; the first elastic piece is convexly arranged at the connecting end; the connecting shaft penetrates into the penetrating channel and extends out of the top end of the penetrating channel, so that the connecting end extends out of the locking groove; the first elastic piece is used for corresponding to the bayonet and clamping the pressing piece into the bayonet when the pressing piece moves close to the penetrating channel.

2. The quick release structure for vehicle wheels according to claim 1, wherein the connecting end is provided with a first through-connecting groove, and the first elastic member is through-connected in the first through-connecting groove; the side wall of the first cross connecting groove is provided with a cross connecting port; the first elastic piece is provided with the protruding portion, and the protruding portion is used for extending out of the through opening under elastic stress provided by the first elastic piece and is used for being clamped into the clamping opening.

3. The quick release structure for vehicle wheels according to claim 2, wherein the pressing member has a second through-connecting groove therein, and the bayonet is provided on a side wall of the second through-connecting groove; the connecting end is used for extending out of the locking groove and penetrating to the second penetrating and connecting groove.

4. The quick release structure for vehicle wheels according to claim 3, wherein the opening of the second through-connection groove is provided with a circular arc chamfer; the circular arc chamfer is used for guiding the first elastic piece to penetrate into the connecting end to penetrate into the second penetrating groove.

5. The quick release structure for vehicle wheels according to claim 2, wherein the first elastic member is a circlip, and both sides of the circlip are protruded and formed as the protrusion.

6. The quick release structure for vehicle wheels according to claim 1, wherein the top end of the hinge shaft is provided with a first limit step, and the bottom end of the hinge shaft is provided with a second limit step; the first limiting step is used for abutting against the bottom wall of the locking groove; the second limiting step is used for abutting against the bottom end face of the rotary seat.

7. The quick release structure for vehicle wheels as claimed in claim 1, wherein the rotary seat has a plurality of spaced hinge plates; the hinge sheet is provided with a through hole; the hinge pieces on the two rotary bases are arranged in a staggered mode so that the through holes are correspondingly communicated.

8. The quick release structure for vehicle wheels of any one of claims 1-7, characterized in that a folding hinge rod assembly is further disposed between the front ends of the vehicle frames, the folding hinge rod assembly comprises a second elastic member and two hinge rods, one end of each hinge rod is hinged to the front end of each of the two vehicle frames, the other ends of the two hinge rods are hinged to each other, and the second elastic member is connected between the two hinge rods.

9. The quick release structure for vehicle wheels according to any one of claims 1-7, wherein the front ends of the two vehicle frames are further provided with a storage bag; the top ends of the two frames are provided with handrail components.

10. The quick release structure for vehicle wheels as claimed in any one of claims 1-7, wherein the rear wheel assembly comprises a connecting arm and a rear wheel, one end of the connecting arm is detachably connected to the rear end of the frame, and the other end of the connecting arm is pivotally connected to the rear wheel.

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