CN217515309U

CN217515309U - Shock absorber structure has child's bike of preventing pressing from both sides function

Info

Publication number: CN217515309U
Application number: CN202221450671.4U
Authority: CN
Inventors: 徐满东
Original assignee: Ningbo Chuanlang Industrial Co ltd
Current assignee: Ningbo Chuanlang Industrial Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-09-30
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a shock absorber structure has child's bike who prevents pressing from both sides function, including frame and back vent, still include shock absorber structure, shock absorber structure includes coupling assembling and elastic support piece, coupling assembling includes the connecting seat that the gag lever post is fixed in the gag lever post upper end with the connection, the connecting seat with the frame is articulated, the gag lever post lower extreme pass through limit structure with the spacing cooperation of back vent, the frame with the back vent passes through connecting portion and connects, the gag lever post passes elastic support piece makes elastic support piece overlaps lie in on the gag lever post the frame with between the back vent, elastic support piece orders about the frame has throughout to keep away from the motion trend of back vent has the shock attenuation and moves away from, connects stably between the structure and can prevent that children's finger from pressing from both sides the effect of hindering.

Description

Shock absorber structure has child's bike of preventing pressing from both sides function

Technical Field

The utility model relates to a child's bike technical field, in particular to shock absorber structure has child's bike of preventing pressing from both sides function.

Background

The perambulator is a tool bogie that supplies children to play usefulness, has various motorcycle types, what generally play more than 2 years old is that there is the toy car of taking the wheel, can make children master the balance sooner through the perambulator of riding, and the perambulator can bring certain benefit for child's intellectual development simultaneously, increases child's head and brain development, and some shock absorber structures that are equipped with of traditional perambulator reduce children ride in-process car and run into the ground after the stone injury of in-process impact force to its vertebra.

The above-described conventional child's vehicle has the following disadvantages: the metal spring that traditional perambulator shock absorber structure generally adopted is as buffer, because there is the space between the metal spring helicoidal, children's curiosity drives about to stretch into the gap with the finger in, may press from both sides the risk of hindering children's finger.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shock absorber structure has child's bike who prevents pressing from both sides function, through being connected spacing fixed elastic support piece between frame and back vent, this elastic support piece seamless integrated into one piece has the shock attenuation and moves away to avoid possible earthquakes and can prevent that children's finger from pressing from both sides the effect of hindering.

The above technical object of the present invention can be achieved by the following technical solutions: a child bicycle with a shock-absorbing structure and an anti-pinch function comprises a frame and a rear fork hinged to the frame, wherein the shock-absorbing structure is arranged between the frame and the rear fork and comprises a connecting assembly and an elastic supporting tube, the outer side wall of the elastic supporting tube is a closed surface, the connecting assembly comprises a limiting rod, one end of the limiting rod is hinged to the frame, the rear fork is provided with a limiting hole, the other end of the limiting rod penetrates through the limiting hole, and the limiting rod is in limit fit with the rear fork through the limiting structure; the elastic supporting tube is sleeved on the limiting rod and drives the frame to have a movement trend away from the rear fork all the time.

By adopting the technical scheme, one end of the limiting rod is hinged with the frame, the other end of the limiting rod penetrates through and is inserted into the limiting hole formed in the rear fork, the limiting rod is in limiting fit with the rear fork through the limiting structure, the elastic supporting tube is sleeved on the limiting rod and is positioned between the frame and the rear fork, and the limiting structure is different from a traditional mode that a metal spring part is directly fixed between the frame and the rear fork; the elastic supporting tube is sleeved on the limiting rod, and the movement trend of driving the frame to be far away from the rear fork is always realized by the elastic supporting tube, so that the frame is supported, and the damping effect is realized; in addition, the outer wall of the elastic supporting pipe is a closed surface, no gap exists, and the situation that fingers are injured by clamping caused by stretching of fingers of children can be effectively prevented.

The utility model discloses a further set up to: the elastic supporting tube is made of PU material.

The utility model discloses a further set up to: the connecting assembly further comprises a connecting seat, the connecting seat is arranged at the end part, close to the frame, of the limiting rod, and the limiting rod is hinged to the frame through the connecting seat.

Through adopting above-mentioned technical scheme, divide into gag lever post and connecting seat to coupling assembling, be favorable to the processing of separating during production, follow-up fixed connection through modes such as articulated or welding.

The utility model discloses a further set up to: the limiting rod is characterized in that threads are circumferentially arranged on the side wall of the upper end of the limiting rod, the connecting seat comprises a base, a first threaded hole is formed in the base, and the threads are in threaded fit with the first threaded hole to enable the limiting rod to be fixedly connected with the connecting seat.

Through adopting above-mentioned technical scheme, the connecting seat corresponds the screw thread through first screw hole in bottom and gag lever post and carries out threaded connection, and connected mode is simple, is favorable to industrial production.

The utility model discloses a further set up to: the back vent is provided with a limiting block, the limiting structure comprises a limiting bolt and a limiting hole, the limiting hole is formed in the limiting block, a second threaded hole is formed in the lower end face of the limiting rod, the rod portion of the limiting bolt penetrates through the limiting hole and is in threaded fit with the second threaded hole, the head portion of the limiting bolt is in stop fit with the limiting block, and the limiting rod is limited to be separated from the limiting hole.

Through adopting above-mentioned technical scheme, the second screw hole is seted up to the terminal surface under the gag lever post, passes spacing pore pair second screw hole through spacing bolt pole portion and carries out fixed connection, because spacing bolt head size is greater than spacing hole for the gag lever post mid portion can freely slide in spacing hole, but the tip can not pass this spacing hole under the gag lever post, has played spacing fixed effect to the gag lever post, can prevent to a certain extent that the gag lever post from breaking away from the back vent completely.

The utility model discloses a further set up to: the outer wall of the section of the elastic supporting pipe along the axis direction is wavy, and the inner wall of the elastic supporting pipe is linear.

Through adopting above-mentioned technical scheme, PU elasticity outside of tubes pipe adopts the wavy tubular form, can make along the stress that its axial received to the diffusion of wavy pipe inclined plane, has improved deformability, has increaseed buffering absorbing effect.

The utility model discloses a further set up to: one end of the rear fork is provided with a connecting part, the connecting part comprises two side plates and a connecting plate, and the connecting plate is fixedly connected with the rear fork.

Through adopting above-mentioned technical scheme, the effect of increase back vent length has been played in the establishment of this connecting portion.

The utility model discloses a further set up to: the bicycle frame is characterized in that a fixing seat is arranged between the two side plates, a through hole used for being hinged with a bicycle frame is formed in the side face of the fixing seat, a plurality of hollow grooves are formed in the fixing seat along the circumferential direction of the through hole at equal intervals, and a convex rib is formed between the hollow grooves.

Through adopting above-mentioned technical scheme, considering that the curb plate receives outside stress emergence relative motion inwards probably leads to damaging, added the fixing base as bearing structure spare between the board of both sides, the through-hole is mainly for the convenience of the articulated of fixing base and back fork curb plate, sets up the fretwork groove in through-hole circumference mainly in order to subtract heavy material saving, and the setting of protruding muscle is in order to strengthen the structural strength between fixing base and the curb plate in addition.

The utility model discloses a further set up to: the fixing seat is provided with a groove.

Through adopting above-mentioned technical scheme, the setting of recess is mainly in order to subtract heavy, and fixing base recess outer wall has also played the effect of strengthening the support to the back vent curb plate.

The utility model discloses a further set up to: the connecting plate is provided with a blind hole, a raised head is arranged at the position of the fixed seat corresponding to the blind hole, and the raised head is matched with the blind hole in a positioning way.

By adopting the technical scheme, the raised head and the blind hole are matched in a positioning manner, so that the center positioning effect can be effectively realized.

To sum up, the utility model discloses following beneficial effect has: the elastic supporting piece is limited and fixed between the frame and the rear fork by the connecting component, and the shock absorption and shock absorption effects are achieved; the outer wall of the elastic supporting piece is integrally formed without a gap, so that the risk of fingers being injured by clamping caused by the fingers of children stretching in can be effectively prevented; the design of fixing base has also improved the steadiness of connecting portion when reducing the materials cost.

Drawings

Fig. 1 is an overall structure diagram of the present invention.

Fig. 2 is a schematic view of the frame, rear fork and suspension assembly of the present invention.

Fig. 3 is an exploded view of fig. 2 of the present invention.

Fig. 4 is an exploded view of the stop lever and the stop bolt of the present invention.

Fig. 5 is a front view of the elastic support tube of the present invention.

Figure 6 is a cross-sectional elevation view a-a of figure 5 according to the present invention.

Fig. 7 is a structural view of the rear fork of the present invention.

Fig. 8 is a structural view of the fixing base of the present invention.

In the figure: 1. a frame; 2. a rear fork; 21. a limiting block; 211. a limiting hole; 22. a connecting portion; 221. a side plate; 222. a connecting plate; 2221. blind holes; 3. a shock-absorbing structure; 31. a connection assembly; 311. a limiting rod; 3111. a thread; 3112. a second threaded hole; 312. a connecting seat; 3121. a base; 3122. a first threaded hole; 32. a PU elastic supporting tube; 321. an outer wall; 322. an inner wall; 4. a limiting structure; 41. a limit bolt; 5. a fixed seat; 51. a through hole; 52. hollowing out the grooves; 53. a groove; 54. a rib is protruded; 55. and (4) a convex head.

Detailed Description

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

A kind of shock absorber structure has children's bike to prevent clamping function, as shown in fig. 1-4, including frame 1 and back fork 2, back fork 2 is hinged on frame 1, frame 1 and back fork 2 are equipped with shock absorber structure 3, shock absorber structure 3 includes coupling assembling 31 and elastic support tube 32, the utility model discloses the material of elastic support tube 32 is specifically set up as PU material, coupling assembling 31 includes gag lever post 311 and connecting seat 312, connecting seat 312 is used for connecting gag lever post 311 and frame 1, the upper end lateral wall circumference of gag lever post 311 is equipped with the screw thread 3111, the connecting seat includes the base, the base has been offered the first screw hole 3122, the end screw thread 3111 of gag lever post 311 cooperates with the screw thread 3112 screw thread, make gag lever post 311 and connecting seat 312 fixedly connected, in other embodiments connecting seat 312 and gag lever post 311 can be fixed together through welding or integrated into one piece mode; the rear fork 2 is provided with a connecting part 22, the connecting part 22 comprises two side plates 221 and a connecting plate 222, the side plates 221 are hinged with the frame 1, the connecting plate 222 is fixed on the rear fork 2 in a hinged or welding mode, a position on the rear fork 2 close to the connecting part 22 is provided with a limiting block 21, the limiting block 21 is provided with a limiting hole 211, a limiting rod 311 can freely penetrate out of the limiting hole 211, the limiting rod 311 is in limiting fit with the rear fork 2 through a limiting structure 4, the limiting structure 4 comprises a limiting bolt 41, a second threaded hole 3112 and a limiting hole 211, the second threaded hole 3112 is arranged on the lower end surface of the limiting rod 311, the rod part of the limiting bolt 41 passes through the limiting hole 211 and is in threaded connection with the second threaded hole 3112, the size of the head part of the limiting bolt 41 is larger than that of the limiting hole 211, so that the head part of the limiting bolt 41 is in stopping fit with the limiting hole 211, the head part of the limiting bolt 41 passes through the limiting hole 211, and is connected with the limiting rod 311, the end part of the limiting rod 311 with the limiting bolt 41 can not be separated from the limiting hole 211, so that the limiting rod 311 is limited; the elastic support tube 32 is sleeved on the limiting rod 311, and the elastic support tube 32 drives the frame 1 to move away from the rear fork 2 all the time.

As shown in fig. 5, the outer wall 321 of the elastic support tube 32 is a closed surface, which can effectively prevent fingers of children from being pinched due to the fingers being inserted.

In order to increase the strength of the elastic support tube 32, as shown in fig. 6, the outer wall 321 of the elastic support tube 32 is in the shape of a wavy tube, and the inner wall 322 thereof is in the shape of a straight tube, so that the stress applied to the straight tube can be decomposed and transmitted to the wavy tube, thereby improving the damping effect.

In order to reduce the weight of the vehicle body and improve the strength of the connecting portion 22, as shown in fig. 7-8, a fixing seat 5 is arranged between two side plates 221, a through hole 51 for being hinged to the vehicle frame 1 is formed in the side surface of the fixing seat 5, a plurality of hollow grooves 52 are formed in the circumferential direction of the through hole 51, a groove 53 is formed in the other end surface of the fixing seat 5, so that the material cost is reduced, in order to increase the strength of the fixing seat 5 in the horizontal direction, a convex rib 54 is formed between adjacent hollow grooves 52 and plays a supporting role for the connecting portion 22, in addition, a blind hole 2221 is formed in the connecting plate 222, a raised head 55 is arranged in the position of the fixing seat 5 corresponding to the blind hole 2221, and the raised head 55 is positioned and matched with the blind hole 2221 to effectively prevent the fixing seat 5 from axially rotating relative to the vehicle frame along the through hole 51.

The utility model discloses a basic operating principle does: one end of a limiting rod 311 is hinged with the frame 1, the other end of the limiting rod 311 is inserted into a limiting hole 211 formed in the rear fork 2 in a penetrating mode, the limiting rod 311 is in limiting fit with the rear fork 2 through a limiting structure 4, an elastic supporting tube 32 is sleeved on the limiting rod 311 and located between the frame 1 and the rear fork 2, and the limiting structure is different from a traditional mode that a metal spring part is directly fixed between the frame 1 and the rear fork 2, the limiting hole 211 plays a limiting role in limiting the limiting rod 311, and the limiting rod 311 can slide in a limited range relative to the rear fork 2; the elastic supporting tube 32 is sleeved on the limiting rod 311, and the frame 1 is always driven to move away from the rear fork 2 by virtue of the elastic supporting tube 32, so that the frame 1 is supported, and the damping effect of the utility model is achieved; in addition, the outer wall 321 of the elastic supporting tube 32 is a closed surface, and no gap exists, so that the finger of the child can be effectively prevented from stretching into the finger clamp to hurt the finger, and the utility model has the advantages of stable connection, low material cost, good shock-proof effect and the effect of preventing the finger of the child from clamping and injuring the finger.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a shock absorber structure has child's bike who prevents pressing from both sides function, includes frame (1), articulate in back fork (2) of frame (1), its characterized in that: a shock absorbing structure (3) is arranged between the frame (1) and the rear fork (2), the shock absorbing structure (3) comprises a connecting component (31) and an elastic supporting tube (32), the outer side wall of the elastic supporting tube (32) is a closed surface, the connecting component (31) comprises a limiting rod (311) with one end hinged to the frame (1), the rear fork (2) is provided with a limiting hole (211), the other end of the limiting rod (311) penetrates through the limiting hole (211), and the limiting rod (311) is in limiting fit with the rear fork (2) through a limiting structure (4); the elastic supporting tube (32) is sleeved on the limiting rod (311), and the elastic supporting tube (32) drives the frame (1) to always have a movement trend away from the rear fork (2).

2. The child's vehicle with a shock absorbing structure having an anti-pinch function as claimed in claim 1, wherein: the elastic support tube (32) is made of PU material.

3. The child's vehicle with a shock absorbing structure having an anti-pinch function as claimed in claim 1, wherein: the connecting assembly (31) further comprises a connecting seat (312), the connecting seat (312) is arranged at the end part, close to the frame (1), of the limiting rod (311), and the limiting rod (311) is hinged to the frame (1) through the connecting seat (312).

4. The child's vehicle with a shock absorbing structure having an anti-pinch function as claimed in claim 3, wherein: the utility model discloses a spacing pole (311) includes that the connecting seat (312) includes base (3121), first screw hole (3122) are seted up in gag lever post (311) upper end lateral wall circumference, screw thread (3111) with first screw hole (3122) screw-thread fit makes gag lever post (311) with connecting seat (312) fixed connection.

5. The child's vehicle with a shock absorbing structure having an anti-pinch function as claimed in claim 1, wherein: the back vent is equipped with stopper (21), limit structure (4) are including spacing bolt (41) and spacing hole (211), spacing hole (211) are seted up in stopper (21), second screw hole (3112) have been seted up to the lower terminal surface of gag lever post (311), the pole portion of spacing bolt (41) is passed spacing hole (211) with second screw hole (3112) screw-thread fit, the head of spacing bolt (41) with stopper (21) backstop cooperation, restriction gag lever post (311) break away from spacing hole (211).

6. The child's vehicle with a shock absorbing structure having an anti-pinch function as claimed in claim 1, wherein: the outer wall (321) of the section of the elastic support tube (32) along the axial direction is wavy, and the inner wall (322) is linear.

7. The child's vehicle with a shock absorbing structure having an anti-pinch function as claimed in claim 1, wherein: one end of the rear fork (2) is provided with a connecting part (22), the connecting part (22) comprises two side plates (221) and a connecting plate (222), and the connecting plate (222) is fixedly connected with the rear fork (2).

8. The child's vehicle with a shock absorbing structure having an anti-pinch function as claimed in claim 7, wherein: be equipped with fixing base (5) between both sides board (221), fixing base (5) side is seted up and is used for with frame (1) articulated through-hole (51), equidistant a plurality of fretwork groove (52) have been seted up along through-hole (51) circumference in fixing base (5), and is adjacent be formed with protruding muscle (54) between fretwork groove (52).

9. The child's vehicle with a shock absorbing structure having an anti-pinch function as claimed in claim 8, wherein: the fixed seat (5) is provided with a groove (53).

10. The child's vehicle with a shock absorbing structure having an anti-pinch function as claimed in claim 8, wherein: the connecting plate (222) is provided with a blind hole (2221), a raised head (55) is arranged at the position, corresponding to the blind hole (2221), of the fixed seat (5), and the raised head (55) is matched with the blind hole (2221) in a positioning mode.