CN215399028U

CN215399028U - Children bicycle with adjustable cushion height

Info

Publication number: CN215399028U
Application number: CN202121271009.8U
Authority: CN
Inventors: 甄玉改
Original assignee: Xingtai Tianwei Automobile Co ltd
Current assignee: Xingtai Tianwei Automobile Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-01-04
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a children bicycle with a height-adjustable cushion, which comprises a bottom frame, an adjusting device and a plurality of stand columns arranged on the adjusting device, wherein two track grooves are formed in the bottom frame, two opposite track bodies are slidably clamped in each track groove, and the top ends of the track bodies are fixedly connected with a reinforcing plate; adjusting device includes the fixed block, the screw hole that extends along its block is seted up to the bottom of fixed block, threaded hole interlude has rather than matched with threaded rod, adjust the carousel through setting up, the fixed block, the threaded rod, the cooperation of first spring and second spring etc. is used, the threaded rod drives the fixed block rebound that the screw thread alternates, reach the regulation to the cushion height, the cooperation of second spring and baffle, can cushion once to the cushion of connecting, the briquetting of lapse and then promote the first spring down-extrusion that the bottom is connected, make first spring carry out the secondary buffering, reach the shock attenuation to the cushion.

Description

Children bicycle with adjustable cushion height

Technical Field

The utility model relates to the technical field of bicycle cushions, in particular to a child bicycle with a height-adjustable cushion.

Background

Bicycles, also known as bicycles or bicycles, are usually two-wheeled small land vehicles, which are environment-friendly vehicles powered by pedaling after people ride on the bicycle, and have various types, including single-person bicycles, tandem bicycles and multi-person bicycles.

The children bicycle seatpad adjusting device who uses at present supports the dynamics not good for the equilibrium and the stability of seat are not enough, and the user can't highly adjust children bicycle seatpad, and children bicycle seatpad does not possess absorbing function, and the comfort level is not good when making children ride, and we propose a children bicycle with regulation cushion height for this reason and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a child bicycle with a height-adjustable seat cushion, and aims to solve the technical problem that the height of the seat cushion of the child bicycle cannot be adjusted and the shock absorption cannot be realized in the background.

In order to achieve the purpose, the utility model provides the following technical scheme: a children bicycle with adjustable cushion height comprises a base frame, an adjusting device and a plurality of stand columns installed on the adjusting device, wherein two track grooves are formed in the base frame, two opposite track bodies are slidably clamped in each track groove, and a reinforcing plate is fixedly connected to the top ends of the track bodies; the adjusting device comprises a fixed block, a threaded hole extending along a block body of the fixed block is formed in the bottom end of the fixed block, a threaded rod matched with the threaded hole is inserted into the threaded hole, a second gear is arranged at one end, away from the fixed block, of the threaded rod, an adjusting turntable is vertically arranged at the bottom end of the underframe, a first gear is arranged at one end of the adjusting turntable and meshed with the second gear, each upright is located above a corresponding reinforcing plate, a first spring is arranged in each upright, a pressing block is connected to one end of each first spring, a guide rod is fixedly connected to one end, away from the first spring, of each pressing block, and the top end of each guide rod penetrates through the baffle and is fixedly connected with a cushion; and a second spring is sleeved on the surface of each guide rod and is positioned between the soft cushion and the baffle.

Preferably, the surface of the fixing block is fixedly provided with two opposite connecting blocks, one end of each connecting block, which is far away from the fixing block, is welded with a fixing rod, a rod shaft of each fixing rod is sequentially sleeved with two connecting rods, one end of each reinforcing plate, which is close to the fixing block, is fixedly provided with a hinge lug, and the connecting rods on the rod shaft of each fixing rod are hinged with the hinge lugs at the corresponding ends of the reinforcing plates.

Preferably, a screw rod is inserted into the fixing rod, a nut is fixedly connected to one end of the screw rod, the other end of the screw rod penetrates through the connecting block, the fixing block and the screw rod and is in contact with the screw rod, and a plurality of through holes matched with the screw rod are formed in a rod shaft of the screw rod.

Preferably, an arc-shaped groove is formed in the top end of each reinforcing plate, a ball is connected to the bottom end of each upright column, and the ball is slidably clamped in the corresponding arc-shaped groove.

Preferably, a reinforcing column is fixedly arranged between two adjacent reinforcing plates.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up the cooperation of adjusting carousel, fixed block, threaded rod, first spring and second spring etc. and using, the threaded rod drives the fixed block rebound that the screw thread alternated, reaches the regulation to the cushion height, and the cushion of connection can be once cushioned to the cooperation of second spring and baffle, and the briquetting of lapse and then promote the first spring downward extrusion that the bottom is connected, makes first spring carry out the secondary buffering, reaches the shock attenuation to the cushion.

2. The screw cap is rotated to enable the screw rod to be inserted into the corresponding through hole in the threaded rod, so that the adjusting fixed block is convenient to fix, the connecting rod is matched with the reinforcing plate to use, the adjusting fixed block is convenient to support and hold, and certain stability is improved.

Drawings

Fig. 1 is a schematic structural diagram of a child bicycle with a height-adjustable seat cushion according to the present invention.

Fig. 2 is a partial structure diagram of fig. 1 from another view angle.

Fig. 3 is a partially cut-away schematic view of the pillar of fig. 1.

In the figure: 1. a chassis; 11. a track groove; 12. a rail body; 13. an arc-shaped slot; 14. a reinforcing plate; 15. a reinforcement column; 21. adjusting the turntable; 22. a first gear; 23. a second gear; 24. a through hole; 25. a threaded rod; 3. an adjustment device; 31. a fixed block; 32. a joining block; 33. fixing the rod; 34. a connecting rod; 35. a screw; 36. a nut; 37. hinging a lug; 4. a column; 41. a first spring; 42. briquetting; 43. a guide bar; 44. A baffle plate; 45. a second spring; 5. a soft cushion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a children bicycle with adjustable cushion height comprises an underframe 1, an adjusting device 3 and a plurality of upright posts 4 arranged on the adjusting device 3, wherein two track grooves 11 are formed in the underframe 1, two opposite track bodies 12 are slidably clamped in each track groove 11, and the top ends of the track bodies 12 are fixedly connected with a reinforcing plate 14; the adjusting device 3 comprises a fixed block 31, a threaded hole extending along a block body of the fixed block 31 is formed in the bottom end of the fixed block 31, a threaded rod 25 matched with the threaded hole is inserted into the threaded hole, a second gear 23 is arranged at one end, far away from the fixed block 31, of the threaded rod 25, an adjusting turntable 21 is vertically arranged at the bottom end of the underframe 1, a first gear 22 is arranged at one end of the adjusting turntable 21, the first gear 22 is meshed with the second gear 23, each upright post 4 is positioned above the corresponding reinforcing plate 14, a first spring 41 is arranged in each upright post 4, one end of each first spring 41 is connected with a pressing block 42, one end, far away from the corresponding first spring 41, of each pressing block 42 is fixedly connected with a guide rod 43, and the top end of each guide rod 43 penetrates through a baffle 44 and is fixedly connected with a cushion 5; the surface of each guide rod 43 is sleeved with a second spring 45, the second spring 45 is positioned between the cushion 5 and the baffle 44, the adjusting turntable 21 is rotated to drive the first gear 22 at one end to rotate, thereby driving the second gear 23 meshed with one end of the first gear 22 to rotate, the rotating second gear 23 further drives the connected threaded rod 25, finally the fixed block 31 with the threaded insertion is driven to move upwards, the fixed block 31 pushes the cushion 5 upwards to adjust the height of the cushion 5, when the cushion 5 moving downwards is contacted with the second spring 45, the second spring 45 is matched with the baffle 44, the cushion 5 connected can be buffered for the first time, the cushion 5 drives the connected guide rod 43 to move downwards along the inner wall of the upright post 4, the guide rod 43 thereby pushes the fixedly connected press block 42 to move downwards, the press block 42 moving downwards further pushes the first spring 41 connected at the bottom end to extrude downwards, the first spring 41 is subjected to secondary buffering, and the cushion 5 is damped.

Two opposite connecting blocks 32 are fixedly arranged on the surface of the fixed block 31, a fixed rod 33 is welded at one end, far away from the fixed block 31, of each connecting block 32, two connecting rods 34 are sequentially sleeved on a rod shaft of each fixed rod 33, a hinge lug 37 is fixedly arranged at one end, close to the fixed block 31, of each reinforcing plate 14, the connecting rods 34 on the rod shaft of each fixed rod 33 are hinged to the hinge lugs 37 at the corresponding ends of the reinforcing plates 14, the movable fixed block 31 drives the connecting blocks 32 and the fixed rods 33 to synchronously move upwards, so that the two connecting rods 34 sleeved on the fixed rods 33 are driven to move, the two movable connecting rods 34 respectively drive the hinge lugs 37 at the two ends, and the hinge lugs 37 further drive the connected reinforcing plates 14 and the rail body 12 to move oppositely along the inner wall of the rail groove 11, the adjusted fixed block 31 is convenient to support and hold, and certain stability is increased.

A screw 35 is inserted into the fixing rod 33 in a penetrating manner, one end of the screw 35 is fixedly connected with a nut 36, the other end of the screw 35 penetrates through the connecting block 32 and the fixing block 31 and contacts with the threaded rod 25, a plurality of through holes 24 matched with the screw 35 are formed in the rod shaft of the threaded rod 25, the nut 36 is rotated to enable the connected screw 35 to move along the inside of the fixing rod 33, one end, far away from the nut 36, of the screw 35 is inserted into the corresponding through hole 24 in the threaded rod 25, and the fixing block 31 is convenient to adjust.

Arc wall 13 has been seted up on the top of every reinforcing plate 14, and the bottom of every stand 4 is connected with the ball, and the ball slip card is established in corresponding arc wall 13, and the ball that stand 4 is connected slides along arc wall 13 inner wall, and the reinforcing plate 14 of being convenient for removes about.

A reinforcing column 15 is fixedly arranged between two adjacent reinforcing plates 14, and the reinforcing column 15 is used for connecting two reinforcing plates 14 which are not positioned on the same track groove 11, so that two non-adjacent reinforcing plates 14 can be supported conveniently.

The working principle is as follows: when the utility model is used, an operator rotates the adjusting turntable 21 to drive the first gear 22 at one end to rotate, so as to drive the second gear 23 engaged with one end of the first gear 22 to rotate, the rotating second gear 23 further drives the connected threaded rod 25, and finally drives the fixed block 31 inserted with the threads to move upwards, so as to adjust the height of the fixed block 31, the movable fixed block 31 drives the connecting block 32 and the fixed rod 33 to move upwards synchronously, so as to drive the two connecting rods 34 sleeved on the fixed rod 33 to move, the two movable connecting rods 34 respectively drive the hinged hinge lugs 37 at the two ends, the hinge lugs 37 further drive the connected reinforcing plate 14 and the rail body 12 to move oppositely along the inner wall of the rail groove 11, so as to support and hold the adjusted fixed block 31 conveniently, so as to increase certain stability, and then the screw cap 36 is rotated to drive the connected screw rod 35 to move along the inside of the fixed rod 33, make screw rod 35 keep away from nut 36 one end and insert in corresponding through-hole 24 on threaded rod 25, be convenient for fix the fixed block 31 of adjusting, meanwhile when using cushion 5, when the cushion 5 of lapse contacts with second spring 45, the cooperation of second spring 45 and baffle 44, can cushion 5 to connecting once, cushion 5 drives the guide arm 43 of connecting and moves down along stand 4 inner walls, thereby guide arm 43 promotes fixed connection's briquetting 42 rebound, rebound's briquetting 42 and then promote the first spring 41 of bottom connection and extrude downwards, make first spring 41 carry out the secondary buffering, be convenient for to the shock attenuation of cushion 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The children bicycle with the function of adjusting the height of a cushion is characterized by comprising an underframe (1), an adjusting device (3) and a plurality of stand columns (4) arranged on the adjusting device (3), wherein two track grooves (11) are formed in the underframe (1), two opposite track bodies (12) are arranged in each track groove (11) in a sliding and clamping manner, and the top ends of the track bodies (12) are fixedly connected with reinforcing plates (14); the adjusting device (3) comprises a fixed block (31), a threaded hole extending along a block body of the fixed block (31) is formed in the bottom end of the fixed block, a threaded rod (25) matched with the threaded hole is inserted in the threaded hole in a penetrating manner, a second gear (23) is arranged at one end, far away from the fixed block (31), of the threaded rod (25), an adjusting turntable (21) is vertically arranged at the bottom end of the underframe (1), a first gear (22) is arranged at one end of the adjusting turntable (21), the first gear (22) is meshed with the second gear (23), each upright column (4) is positioned above a corresponding reinforcing plate (14), a first spring (41) is arranged in each upright column (4), one end of each first spring (41) is connected with a pressing block (42), and a guide rod (43) is fixedly connected to one end, far away from the first spring (41), of each pressing block (42), the top end of the guide rod (43) penetrates through the baffle and is fixedly connected with a soft pad (5); and a second spring (45) is sleeved on the surface of each guide rod (43), and the second spring (45) is positioned between the soft pad (5) and the baffle.

2. The children's bicycle with adjustable cushion height of claim 1, wherein: the surface of the fixed block (31) is fixedly provided with two opposite connection blocks (32), one end, far away from the fixed block (31), of each connection block (32) is welded with a fixed rod (33), the rod shaft of each fixed rod (33) is sequentially sleeved with two connecting rods (34), one end, close to the fixed block (31), of each reinforcing plate (14) is fixedly provided with a hinge lug (37), and the connecting rods (34) on the rod shaft of each fixed rod (33) are hinged with the hinge lugs (37) at the corresponding ends of the reinforcing plates (14).

3. The children's bicycle with adjustable cushion height of claim 2, wherein: a screw rod (35) is inserted in the fixing rod (33), a nut (36) is fixedly connected to one end of the screw rod (35), the other end of the screw rod (35) penetrates through the connecting block (32) and the fixing block (31) and is in contact with the threaded rod (25), and a plurality of through holes (24) matched with the screw rod (35) are formed in the rod shaft of the threaded rod (25).

4. The children's bicycle with adjustable cushion height of claim 1, wherein: arc-shaped grooves (13) are formed in the top end of each reinforcing plate (14), the bottom end of each upright post (4) is connected with a ball, and the balls are slidably clamped in the corresponding arc-shaped grooves (13).

5. The children's bicycle with adjustable cushion height of claim 1, wherein: and a reinforcing column (15) is fixedly arranged between two adjacent reinforcing plates (14).