CN218877483U

CN218877483U - Light bicycle frame structure

Info

Publication number: CN218877483U
Application number: CN202223430953.0U
Authority: CN
Inventors: 刘林
Original assignee: Guangzhou Plenty Bicycle Co ltd
Current assignee: Guangzhou Plenty Bicycle Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-04-18
Anticipated expiration: 2032-12-20

Abstract

The application discloses a light bicycle frame structure, which comprises a frame body, wherein a front wheel and a rear wheel are arranged on the left side and the right side of the frame body, supporting frames are arranged outside the front wheel and the rear wheel, a mudguard is arranged on one side of each supporting frame, and locking components which enable the two ends of the mudguard to be detachably mounted on the supporting frames are arranged at the two ends of each supporting frame; the locking assembly comprises a rotating block and a locking rod, the rotating block is arranged in the supporting frame in a rotating mode, the locking rod is arranged on one side of the rotating block, one side, deviating from the mudguard, of the supporting frame is provided with a containing groove used for containing the rotating block, the rotating block can rotate relative to the supporting frame, the mudguard is provided with a strip-shaped groove towards one side of the supporting frame, the bottom of the strip-shaped groove is provided with a rotating groove, and one end, far away from the rotating block, of the locking rod penetrates through the strip-shaped groove and then stretches into the rotating groove. This application has reduced the fender on the current frame effectively and needs use tools to dismantle, and the people of not being convenient for carry out the effect of abluent condition to the fender.

Description

Light bicycle frame structure

Technical Field

The application relates to the technical field of bicycles, in particular to a light bicycle frame structure.

Background

Bicycles, also known as bicycles or bicycles, are manually operated, pedal-driven land vehicles with two wheels. With the development of science and technology, electric bicycles are gradually being developed for more convenient travel.

In the related art, in the structure of the electric bicycle, a frame is an extremely important component, a front wheel set, a rear wheel set, a transmission system, a brake system and a saddle are all installed on the frame, and the frame is used as a framework of the whole electric bicycle, mainly plays an important role in bearing the weight of a rider and the self weight, and determines and influences the riding comfort to the maximum extent. In addition, the conventional frame is generally provided with mud guards on front and rear wheel sets, and the mud guards are fixed on the frame through bolts so as to reduce the splashing of mud during driving.

However, after long-term use, the inner side of the fender is accumulated with excessive mud, when the fender needs to be cleaned, the fender needs to be detached after the bolt is detached by a tool, the detached bolt needs to be properly placed, and after the fender is cleaned, the fender is mounted on a carriage return frame, so that people cannot clean the fender conveniently.

SUMMERY OF THE UTILITY MODEL

When wasing the fender in order to improve relevant needs, need demolish the fender with the instrument after dismantling the bolt and dismantle, and the bolt after demolising needs put well, after wasing the fender, again with on its installation carriage return frame, the people of not being convenient for carry out abluent drawback to the fender, this application provides a light bicycle frame structure.

The application provides a light-duty bicycle frame structure takes following technical scheme:

a light bicycle frame structure comprises a frame body, wherein a front wheel and a rear wheel are arranged on the left side and the right side of the frame body, supporting frames are arranged outside the front wheel and the rear wheel, a mudguard is arranged on one side of each supporting frame, and locking assemblies are arranged at the two ends of each supporting frame, so that the two ends of the mudguard can be detachably mounted on the supporting frames; locking assembly including rotate set up in turning block in the carriage and set up in the locking lever of one side of turning block, the carriage deviates from one side of fender is seted up and is used for the holding tank of turning block, the turning block can be relative the carriage rotates, the fender orientation the bar groove has been seted up to one side of carriage, the rotation groove has been seted up to the tank bottom in bar groove, the locking lever is kept away from the one end of turning block is passed stretch into behind the bar groove in the rotation groove.

Through adopting above-mentioned technical scheme, when needs clearance fender, people twist the turning block and make the locking lever keep away from the one end and the bar groove parallel of turning block, pull the turning block again and make the sticking department wear out from the bar inslot, can dismantle the fender from the carriage and get off and wash. After the washing is accomplished, remove the fender to the relevant position of carriage, make the one end of locking lever pass the bar groove, press down the turning block again and make the turning block move along the length direction of holding tank, the one end that the turning block was kept away from to the locking lever passes bar groove and butt in the tank bottom of turning groove, rotate the turning block 90 degrees again, make the relative fender rotation of locking lever, make the locking lever be difficult to follow the bar inslot and shift out, thereby make fender and carriage reciprocal anchorage, it needs use tools to dismantle to have reduced the fender on the current frame effectively, people's the circumstances of carrying out the washing to the fender of being not convenient for.

Preferably, the locking lever includes a connecting portion disposed on one side of the rotating block and a locking portion disposed on an end of the connecting portion away from the rotating block, one end of the connecting portion away from the rotating block penetrates through the strip-shaped groove, one side of the locking portion away from the connecting portion abuts against a groove bottom of the rotating groove, and the locking portion can rotate relative to the rotating groove.

Through adopting above-mentioned technical scheme, after wasing the completion to the fender, remove the fender to the relevant position of carriage, make the sticking department pass the bar groove, press the turning block again and make the turning block move along the length direction of holding tank, make one side butt that the sticking department deviates from connecting portion in the tank bottom of turning groove, thereby rotate 90 degrees drive connecting portion rotations with the turning block immediately, the relative fender of sticking department rotates, make the sticking department be difficult to follow the bar inslot and shift out, thereby make fender and carriage reciprocal anchorage.

Preferably, a through groove is formed in the groove bottom of the accommodating groove, a spring is sleeved outside the connecting portion, one end of the spring is fixedly connected to the groove bottom of the through groove, and the other end of the spring abuts against one side, facing the accommodating groove, of the rotating block.

Through adopting above-mentioned technical scheme, when needs installation fender, press the turning block earlier and make the turning block remove along the length direction of holding tank, the spring is in compression state this moment, the sticking department passes bar groove and butt in the tank bottom of rotating the groove, thereby rotate 90 degrees drive connecting portion rotations with the turning block again, the relative fender rotation of sticking department makes the sticking department be difficult to follow the bar inslot and shifts out, the spring makes the sticking department support tightly to rotate the one side that the tank bottom was kept away from to the groove owing to the elastic force effect of self, thereby make the sticking department be difficult to relatively rotate the groove and shift.

Preferably, the frame body comprises a first connecting pipe, a second connecting pipe and a bearing rod, and a triangular structure is formed among the first connecting pipe, the second connecting pipe and the bearing rod.

Through adopting above-mentioned technical scheme to make the frame body more firm, and improved the bearing strength of frame body.

Preferably, a containing cavity is formed in the bearing rod, an insertion groove is formed in one end of the bearing rod, the insertion groove is communicated with the containing groove, an insertion pipe is arranged in the insertion groove, the insertion pipe is kept away from one end of the bearing rod and is provided with a cushion, the insertion pipe is kept away from one end of the cushion, abutted against the bottom of the insertion groove, and the insertion pipe is arranged between the bearing rods and is used for enabling the cushion to be detachably installed on the fixed assembly of the bearing rod.

Through adopting above-mentioned technical scheme, offering of holding chamber can place power supply battery or stand-by battery to make the spliced pole peg graft in the inserting groove through fixed subassembly, thereby make cushion demountable installation on the carrier bar.

Preferably, the fixing component comprises a through hole formed in the bearing rod and a screw rod penetrating through the through hole, a screw hole is correspondingly formed in the insertion pipe, one end of the screw rod is in threaded connection with the screw hole, and a knob is arranged at one end, far away from the screw hole, of the screw rod.

Through adopting above-mentioned technical scheme, people can rotate the knob for the screw rod rotates in step to threaded connection in the screw, thereby makes cushion and carrier bar reciprocal anchorage.

Preferably, one side of the support frame facing the fender is provided with a mark groove, and the mark groove is perpendicular to the strip-shaped groove.

Through adopting above-mentioned technical scheme, after wasing the completion to the fender, rotate the sticking department to with sign groove mutually perpendicular's state, install the fender to the support frame again on, make the sticking department pass the bar groove, press down the turning block again and make the turning block move along the length direction of holding tank, the sticking department passes bar groove and butt in the tank bottom of turning the groove, rotate 90 degrees with the turning block immediately and make the relative fender rotation of sticking department, thereby make the sticking department be difficult to follow the bar inslot and shift out, and then make fender and braced frame reciprocal anchorage.

Preferably, an elastic pad is arranged in the accommodating cavity.

Through adopting above-mentioned technical scheme to it causes the damage to the battery of holding intracavity to reduce to jolt when driving.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the rotating block and the locking rod, when the fender needs to be cleaned, the rotating block is rotated by 90 degrees, then the rotating block is pulled, and the locking part exits from the strip-shaped groove, so that the fender can be disassembled, and the condition that the existing fender on the frame needs to be disassembled by using tools and is inconvenient for people to clean the fender is effectively reduced;

2. through establish the spring in connecting portion overcoat, after installing the fender in the carriage, the spring makes the locking part support tightly the rotation groove and keeps away from the one side of tank bottom owing to self elasticity effect to make the locking part be difficult to shift relatively the rotation groove.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a cross-sectional view of an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 2.

Description of reference numerals:

10. a frame body; 101. a first connecting pipe; 102. a second connecting pipe; 103. a carrier bar; 11. an accommodating cavity; 12. an elastic pad; 13. inserting grooves; 14. inserting a pipe; 15. a cushion; 16. heat dissipation holes; 20. perforating; 21. a screw; 22. a knob; 30. a front wheel; 31. a rear wheel; 32. a front fork; 33. a rear fork; 34. a support frame; 341. a support frame; 40. a fender; 41. rotating the block; 42. a locking lever; 421. a connecting portion; 422. a locking portion; 43. accommodating grooves; 44. rotating the lug; 45. penetrating a groove; 46. a strip-shaped groove; 47. a rotating groove; 48. a spring; 49. and marking a groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1 and 2, the present application discloses a light bicycle frame structure, including frame body 10, in this embodiment, frame body 10 is made by the aluminum alloy material, and aluminum alloy material light in weight for frame body 10's weight is lightened, thereby makes light bicycle frame structure.

Referring to fig. 1 and 2, in particular, the frame body 10 includes a first connecting pipe 101, a second connecting pipe 102 and a bearing rod 103, two ends of the first connecting pipe 101 are respectively and fixedly connected to the second connecting pipe 102 and the bearing rod 103, and one end of the second connecting pipe 102 away from the first connecting pipe 101 is fixedly connected to one end of the bearing rod 103 away from the first connecting pipe 101. The first connecting pipe 101 and the second connecting pipe 102 are arranged at an acute angle, and a triangular structure is formed among the first connecting pipe 101, the second connecting pipe 102 and the bearing rod 103, so that the frame body 10 is more stable, and the bearing strength of the frame body 10 is improved.

Referring to fig. 2 and 3, a containing cavity 11 is formed in the carrier bar 103, the containing cavity 11 is used for placing a power supply battery or a backup battery, and the containing cavity 11 is formed along the length direction of the carrier bar 103. The accommodating chamber 11 is provided with an elastic cushion 12 to reduce damage to the battery placed in the accommodating chamber 11 caused by bumping during driving. Bearing bar 103 is kept away from the one end of cushion 12 and has been seted up inserting groove 13, and inserting groove 13 is seted up along the length direction of bearing bar 103, and inserting groove 13 and holding chamber 11 communicate each other, and the size of inserting groove 13 is greater than the size of holding chamber 11. An inserting pipe 14 is inserted in the inserting groove 13, a cushion 15 is installed at one end, far away from the bearing rod 103, of the inserting pipe 14, and one end, far away from the cushion 15, of the inserting pipe 14 abuts against the bottom of the inserting groove 13. A plurality of heat dissipation holes 16 are uniformly formed in the outer side of the insertion tube 14, and the heat dissipation holes 16 penetrate through the inner side and the outer side of the insertion tube 14. Be provided with fixed subassembly between grafting pipe 14 and the carrier bar 103, fixed subassembly is used for making cushion 15 demountable installation on carrier bar 103, and is concrete, and fixed subassembly is including seting up in perforation 20 of two opposite sides of carrier bar 103 and wear to locate the screw rod 21 in perforation 20, and the screw has been seted up to corresponding on the grafting pipe 14, and the screw sets up with perforation 20 is relative, and one end threaded connection in the screw hole of perforation 20 is worn to locate by screw rod 21. The screw 21 is provided with a knob 22 at one end far away from the screw hole, and the screw 21 is synchronously rotated to be in threaded connection with the screw hole by rotating the knob 22, so that the cushion 15 and the bearing rod 103 are mutually fixed.

Referring to fig. 2 and 3, a front wheel 30 and a rear wheel 31 are movably mounted on the left and right sides of a frame body 10, a front fork 32 is mounted between the frame body 10 and the front wheel 30, ends of a first connecting pipe 101 and a second connecting pipe 102, which are far away from a carrier bar 103, are fixedly connected to the front fork 32, and an end of the front fork 32, which is far away from the first connecting pipe 101, is connected to the center of the front wheel 30. A rear fork 33 is installed between the frame body 10 and the rear wheel 31, one end of the rear fork 33 is connected to one end of the carrier bar 103 close to the plug bar, and one end of the rear fork 33 far away from the carrier bar 103 is connected to the center of the rear wheel 31.

The support frames 34 are respectively installed between the front wheel 30 and the front fork 32 and between the rear wheel 31 and the rear fork 33, each support frame 34 comprises two support frames 341, the support frames 341 are arranged in a shape like a Chinese character '21274', the openings of the two support frames 341 are oppositely arranged, the two support frames 341 are arranged in an obtuse angle, and the joints of the two support frames 341 are fixed with each other by welding.

Referring to fig. 2 and 4, a fender 40 is attached to the side of the support frame 34 facing the seat cushion 15, and the fender 40 is provided in an arc shape in longitudinal section. Both ends of the support frame 34 are provided with locking assemblies for detachably mounting both ends of the mudguard 40 to the support frame 34. Specifically, the locking assembly includes a rotating block 41 rotatably disposed in the supporting frame 341 and a locking rod 42 mounted on one side of the rotating block 41, the locking rod 42 is disposed in a T shape, an accommodating groove 43 for accommodating the rotating block 41 is disposed on one side of the supporting frame 34 away from the mudguard 40, a cross section of the accommodating groove 43 is disposed in a circular shape, and the rotating block 41 can rotate relative to the supporting frame 34. One side of the bottom of the accommodating groove 43 that deviates from the rotating block 41 is fixedly connected with a rotating lug 44, and the rotating lug 44 is used for facilitating people to screw the rotating block 41.

Referring to fig. 2 and 4, specifically, the locking lever 42 includes a connecting portion 421 having one end fixedly connected to the rotating block 41 and a locking portion 422 fixedly connected to one end of the connecting portion 421 away from the rotating block 41, a through groove 45 for passing the connecting portion 421 is communicated with a bottom of the accommodating groove 43, and the size of the through groove 45 is smaller than that of the accommodating groove 43. One side of the mudguard 40 facing the support frame 341 is provided with a strip-shaped groove 46, the bottom of the strip-shaped groove 46 is communicated with a rotating groove 47, the cross section of the rotating groove 47 is circularly arranged, and the connecting part 421 sequentially penetrates through the penetrating groove 45 and the strip-shaped groove 46, so that one side of the locking part 422 departing from the connecting part 421 is abutted to the bottom of the rotating groove 47. When the fender 40 needs to be installed, the fender 40 is moved to the corresponding position, the locking portion 422 penetrates through the strip-shaped groove 46 and abuts against the bottom of the rotating groove 47, then the rotating lug 44 is screwed, the rotating block 41 synchronously rotates to drive the connecting portion 421 to rotate, the locking portion 422 rotates relative to the rotating groove 47, the locking portion 422 is difficult to move out of the strip-shaped groove 46, and therefore the fender 40 and the support frame 341 are fixed to each other.

Referring to fig. 2 and 4, in order to reduce the displacement of the locking portion 422 relative to the pivot groove 47 after the fender 40 is mounted on the support frame 34, a spring 48 is fitted around the connecting portion 421, one end of the spring 48 is fixedly connected to the bottom of the through groove 45, and the other end of the spring 48 abuts against the side of the pivot block 41 away from the pivot lug 44. When the lock 422 is located in the rotation groove 47, the spring 48 is in a compressed state. When the fender 40 needs to be installed, the rotating block 41 is firstly pressed to enable the rotating block 41 to move along the length direction of the accommodating groove 43, at the moment, the spring 48 is in a compressed state, the locking portion 422 penetrates through the strip-shaped groove 46 and abuts against the groove bottom of the rotating groove 47, then the rotating lug 44 is screwed, the rotating block 41 synchronously rotates to drive the connecting portion 421 to rotate, the locking portion 422 rotates relative to the fender 40, the locking portion 422 is difficult to move out of the strip-shaped groove 46, the spring 48 enables the locking portion 422 to abut against one side, far away from the groove bottom, of the rotating groove 47 due to the elastic action of the spring 48, and therefore the locking portion 422 is difficult to move relative to the rotating groove 47.

Referring to fig. 2 and 4, a sign groove 49 is formed in one side of the support frame 341 facing the fender 40, the sign groove 49 is perpendicular to the strip-shaped groove 46, when people need to mount the fender 40, the locking portion 422 can be rotated to be perpendicular to the sign groove 49, and then the fender 40 is mounted on the support frame 34, so that the locking portion 422 can pass through the strip-shaped groove 46, and the fender 40 can be conveniently mounted.

The implementation principle of the embodiment of the application is as follows: when the splash guard 40 needs to be cleaned, people can rotate the rotating lug 44 by 90 degrees by screwing the rotating lug 44, so that the locking part 422 is parallel to the strip-shaped groove 46, and due to the elastic action of the spring 48, the locking part 422 penetrates out of the strip-shaped groove 46, so that the splash guard 40 can be detached from the support frame 34 for cleaning. After the cleaning is finished, the locking part 422 is rotated to be perpendicular to the sign groove 49, the splash guard 40 is mounted on the support frame 341, the locking part 422 penetrates through the strip-shaped groove 46, the rotating block 41 is pressed to enable the rotating block 41 to move along the length direction of the accommodating groove 43, the locking part 422 penetrates through the strip-shaped groove 46 and abuts against the bottom of the rotating groove 47, the rotating lug 44 is screwed, the rotating block 41 synchronously rotates to drive the connecting part 421 to rotate, the locking part 422 rotates relative to the splash guard 40, the locking part 422 is difficult to move out of the strip-shaped groove 46, the splash guard 40 and the support frame 34 are fixed with each other, and the situations that the splash guard 40 on the existing frame needs to be detached by using tools and people are inconvenient to clean the splash guard 40 are effectively reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a light bicycle frame structure, includes the frame body, its characterized in that: a front wheel (30) and a rear wheel (31) are arranged on the left side and the right side of the frame body, supporting frames (34) are arranged outside the front wheel (30) and the rear wheel (31), a mudguard (40) is arranged on one side of each supporting frame (34), and locking components which enable two ends of the mudguard (40) to be detachably mounted on the supporting frames (34) are arranged at two ends of each supporting frame (34); locking assembly including rotate set up in turning block (41) in carriage (34) and set up in locking lever (42) of one side of turning block (41), carriage (34) deviate from one side of fender (40) is seted up and is used for the holding tank (43) of turning block (41), turning block (41) can be relative carriage (34) rotate, fender (40) orientation strip groove (46) have been seted up to one side of carriage (34), rotation groove (47) have been seted up to the tank bottom of strip groove (46), locking lever (42) are kept away from the one end of turning block (41) is passed stretch into behind strip groove (46) in rotation groove (47).

2. The light duty bicycle frame structure of claim 1, wherein: the locking rod (42) including set up in connecting portion (421) of one side of turning block (41) and set up in connecting portion (421) are kept away from the locking portion (422) of the one end of turning block (41), connecting portion (421) are kept away from the one end of turning block (41) passes bar-shaped groove (46), locking portion (422) deviate from one side butt of connecting portion (421) in the tank bottom of rotation groove (47), just locking portion (422) can be relative rotation groove (47).

3. A light-duty bicycle frame structure of claim 2, wherein: wear groove (45) have been seted up to the tank bottom of holding tank (43), connecting portion (421) overcoat is equipped with spring (48), the one end fixed connection of spring (48) in the tank bottom of wearing groove (45), the other end butt in turning block (41) orientation one side of holding tank (43).

4. The light duty bicycle frame structure of claim 1, wherein: the frame body comprises a first connecting pipe (101), a second connecting pipe (102) and a bearing rod (103), and a triangular structure is formed among the first connecting pipe (101), the second connecting pipe (102) and the bearing rod (103).

5. The light duty bicycle frame structure of claim 4, wherein: set up holding chamber (11) in carrier bar (103), inserting groove (13) have been seted up to the one end of carrier bar (103), inserting groove (13) with the holding chamber communicates each other, be provided with in inserting groove (13) and peg graft pipe (14), peg graft pipe (14) are kept away from the one end of carrier bar (103) is provided with cushion (15), peg graft pipe (14) are kept away from the one end butt of cushion (15) in the tank bottom of inserting groove (13), peg graft pipe (14) with be provided with between carrier bar (103) and be used for making cushion (15) demountable installation in the fixed subassembly of carrier bar (103).

6. The light bicycle frame structure according to claim 5, wherein: the fixing assembly comprises a through hole (20) formed in the bearing rod (103) and a screw rod (21) penetrating through the through hole (20), a screw hole is correspondingly formed in the insertion pipe (14), one end of the screw rod (21) is connected in the screw hole in a threaded mode, and a knob (22) is arranged at one end, far away from the screw hole, of the screw rod (21).

7. The light duty bicycle frame structure of claim 1, wherein: a mark groove (49) is formed in one side, facing the fender (40), of the support frame (34), and the mark groove (49) is perpendicular to the strip-shaped groove (46).

8. The light bicycle frame structure according to claim 5, wherein: an elastic pad (12) is arranged in the accommodating cavity (11).