CN209757394U

CN209757394U - Novel handrail

Info

Publication number: CN209757394U
Application number: CN201920423713.7U
Authority: CN
Inventors: 李静
Original assignee: Yongkang Eagle Industry & Trade Co Ltd
Current assignee: Yongkang Eagle Industry & Trade Co Ltd
Priority date: 2019-01-23
Filing date: 2019-03-29
Publication date: 2019-12-10
Anticipated expiration: 2029-03-29
Also published as: CN109774842B; CN109850045B; CN209938848U; WO2020151099A1; CN209757392U; CN209757395U; CN209757393U; CN109774842A; CN109850045A

Abstract

The utility model relates to the technical field of folding scooters, in particular to a novel handrail, which comprises a left handrail and a right handrail, wherein a first folding device is arranged between the left handrail and the right handrail, and the left handrail and the right handrail can rotate and fold relative to the first folding device; the first folding device comprises a right driving wheel and a left driving wheel, the right end of the left handrail is connected with the right driving wheel, and the left end of the right handrail is connected with the left driving wheel; the right drive wheel supports with the left drive wheel and leans on together, and right drive wheel and left drive wheel use respective centre of a circle as the axle, rotate foldingly, the utility model relates to a novel handrail realizes the folding of handrail through setting up first folding device, sets up the gear between left handrail and right handrail, realizes the rotatory folding of handrail through gear engagement's mode, and folding operation is convenient more and laborsaving.

Description

Novel handrail

Technical Field

The utility model relates to a novel handrail, belonging to the technical field of folding handrails.

Background

The folding scooter greatly increases the diversified selection of people for the travel mode, the travel mode of sitting on a subway or combining a public transport and the folding scooter is often adopted, the handrail of the existing scooter is fixed and unchangeable at two sides, when the scooter needs to be stored, the fixed and unchangeable handrail occupies a large part of space and wastes space resources, however, a handrail folding structure also appears on the market, such as the handrail folding structure of the scooter, the folding scooter or the balance car disclosed by [ Chinese utility model ] CN201520230317.4, which comprises a vertical rod connecting seat, a sleeve with one end cut into two sides of the vertical rod connecting seat, a bolt which penetrates through the vertical rod connecting seat and the sleeve and is used for locking the sleeve, a spring telescopic component which is arranged in the sleeve and penetrates through the sleeve, and a stretching element with one end cut into the sleeve and connected with the spring telescopic component, and the spring telescopic component arranged in the sleeve is utilized, one end of the spring telescopic assembly penetrates through the sleeve and is inserted into the through hole of the bolt, and the effect that the stretching element is stretched outwards to enable one end of the spring telescopic assembly to be disengaged from the through hole can be achieved, so that the handrail can be folded.

Although the improved handrail realizes the folding function, the structure is complex, and the stretching element needs to be stretched outwards to enable one end of the spring telescopic assembly to be separated from the through hole, so that the handrail can be folded, and the improved handrail is labor-consuming and inconvenient to use.

Disclosure of Invention

The utility model aims at providing a novel handrail through first folding device, solves the folding inconvenient problem of hard of handrail, has easy operation's advantage.

The purpose of the utility model is realized like this: a novel handrail comprises a left handrail and a right handrail, wherein a first folding device is arranged between the left handrail and the right handrail, and the left handrail and the right handrail can be rotationally folded relative to the first folding device; the first folding device comprises a right driving wheel and a left driving wheel, the right end of the left handrail is connected with the right driving wheel, and the left end of the right handrail is connected with the left driving wheel; the right driving wheel abuts against the left driving wheel, and the right driving wheel and the left driving wheel rotate and fold by taking respective circle centers as shafts.

Preferably, gear teeth are formed on the right driving wheel and the left driving wheel, and the right driving wheel and the left driving wheel can be meshed with each other through the gear teeth.

Preferably, an unlocking button capable of moving back and forth is arranged between the right driving wheel and the left driving wheel, a clamping portion is formed at one end of the unlocking button, and the clamping portion is clamped between the right driving wheel and the left driving wheel and limits rotation of the right driving wheel and the left driving wheel.

Preferably, the end surface of the right driving wheel and/or the left driving wheel is formed with a clamping groove matched with the clamping part.

Preferably, the folding device further comprises a second unlocking groove and a third clamping groove, wherein the clamping groove, the second unlocking groove and the third clamping groove are respectively and sequentially arranged on the outer edge part of the right driving wheel and/or the left driving wheel and are used for being matched with the clamping part in different folding stages.

Preferably, a first spring is arranged between the clamping part and the armrest cover.

Preferably, the outer sides of the right transmission wheel and the left transmission wheel are provided with armrest covers, and the other end of the unlocking button extends out of the armrest covers to form a pressing part.

Preferably, a support is further mounted between the right driving wheel, the left driving wheel and the armrest cover, hole sites are formed in the left side and the right side of the support, and the right driving wheel and the left driving wheel are rotatably arranged on the hole sites by taking respective circle centers as axes.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model discloses a novel handrail realizes the folding of handrail through the first folding device that sets up to set up the gear between left handrail and right handrail, realize the rotatory folding of handrail through gear engagement's mode, folding operation is convenient more and laborsaving.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the folded state of the present invention.

Fig. 3 is a schematic diagram of the explosion structure of the present invention.

Fig. 4 is a top view of the present invention.

3 fig. 35 3 is 3a 3 sectional 3 view 3 of 3 the 3 structure 3 at 3a 3- 3a 3 in 3 fig. 34 3. 3

Fig. 6 is an enlarged view of the structure at B in fig. 5.

Fig. 7 is an enlarged view of the structure at C in fig. 5.

Fig. 8 is a schematic view of the folding action of the novel armrest.

Fig. 9 is a schematic structural diagram of the first folding device.

Fig. 10 is a top view of the novel armrest.

Fig. 11 is a sectional view of the structure at D-D in fig. 10.

Fig. 12 is a front view of the novel armrest.

Fig. 13 is a sectional view of the structure at E-E in fig. 12.

Fig. 14 is a top view of the handrail tube and the novel handrail.

Fig. 15 is a sectional view of the structure at F-F in fig. 13.

Reference numerals: 1-vehicle pedal; 2-supporting the pipe; 3-a novel handrail; 3 a-left armrest; 3 b-right armrest; 4-a first folding device; 4 a-a right driving wheel; 4 b-a left driving wheel; 5-an unlock button; 6-a clamping part; 7-armrest covers; 8-pressing part; 9-a first spring; 10-a scaffold; 11-hole site; 12-gear teeth; 13 a-a snap groove; 13 b-a second unlocking slot; 13 c-a third card slot; 14-a locking device; 15-a fork tube; 16-a spin hole; 17-a fastener; 18-an arcuate chute; 19-a slide block; 20-a fixed shaft; 21-locking card slot; 22-a sliding head; 23-inclined plane; 24-wire rope groups; 25-a fixed head; 26-a second spring; 27-a cavity; 28-semicircular hole; 29-a third spring; 30-an inner tube; 31-a sheath; 32-a flexible opening; 33-quick release; 34-a latch member; 35-a bump; 36-positioning holes; 37-front wheel; 38-rear wheel.

Detailed Description

The following description of the present invention will be made in detail with reference to the accompanying drawings 1 to 15.

A novel handrail.

As shown in fig. 1, the foldable bicycle comprises a bicycle pedal 1, wherein the front part of the bicycle pedal 1 is connected with a rotatable handrail tube 2, the handrail tube 2 is rotatably arranged at the front end of the bicycle pedal 1 through a second folding device, a novel handrail 3 is arranged at the upper end of the handrail tube 2, the lower end of the handrail tube 2 is provided with a front wheel 37, and the rear part of the bicycle pedal 1 is provided with a rear wheel 38.

With reference to fig. 1 and 2, after the unlocking button 5 is pressed, the novel armrest 3 can rotate downward to perform a folding operation, and the armrest tube 2 can also perform a rotating folding operation to one side of the pedal 1.

With reference to fig. 8 and 9, the first folding device 4 comprises a right transmission wheel 4a and a left transmission wheel 4b, the right end of the left handrail 3a is connected with a right driving wheel 4a, the left end of the right handrail 3b is connected with a left driving wheel 4b, the right driving wheel 4a and the left driving wheel 4b are abutted against each other, and the right driving wheel 4a and the left driving wheel 4b respectively rotate towards the inner side by taking respective circle centers as axes to achieve the folding function, and gear teeth 12 are formed on the right transmission wheel 4a and the left transmission wheel 4b, the right transmission wheel 4a and the left transmission wheel 4b can be meshed with each other through the gear teeth 12, at the same time, at least one clamping groove 13a matched with the clamping part 6 is formed on the end surface of the right driving wheel 4a and/or the left driving wheel 4b, when the engaging portion 6 is engaged in the engaging groove 13a, the rotation between the right driving wheel 4a and the left driving wheel 4b can be restricted.

Referring to fig. 10 and 11, an armrest cover 7 is installed on the outer sides of the right driving wheel 4a and the left driving wheel 4b, an unlocking button 5 capable of moving back and forth is arranged between the right driving wheel 4a and the left driving wheel 4b, a clamping portion 6 is formed at one end of the unlocking button 5, and the clamping portion 6 is clamped between the right driving wheel 4a and the left driving wheel 4b and limits rotation of the clamping portion.

With reference to fig. 11 and 13, the other end of the unlocking button 5 extends out of the armrest cover 7 to form a pressing portion 8, a first spring 9 is disposed between the clamping portion 6 and the armrest cover 7, so that when an external force pressing on the pressing portion 8 is removed, the unlocking button 5 will rebound to the original position due to elastic deformation of the first spring 9, a support 10 is further installed between the right driving wheel 4a, the left driving wheel 4b and the armrest cover 7, hole locations 11 are respectively formed on the left side and the right side of the support 10, and the right driving wheel 4a and the left driving wheel 4b are rotatably disposed on the hole locations 11 by taking respective circle centers as axes.

With reference to fig. 5 and 6, in order to better achieve the above purpose, a locking device 14 is installed at the front portion of the pedal 1, the lower end of the handrail 2 is rotatably connected to the locking device 14 through a fork tube 15, a rotating hole 16 is formed in the locking device 14, one end of the fork tube 15 is rotatably fixed in the rotating hole 16 through a fastener 17, the fork tube 15 can be rotatably folded relative to the pedal 1, specifically, an arc-shaped slide way 18 is formed in the locking device 14, recessed locking clamp grooves 21 are formed at two ends of the arc-shaped slide way 18, a slide block 19 is installed in the fork tube 15, a fixing shaft 20 is inserted into the lower end of the slide block 19, the fixing shaft 20 can slide in the arc-shaped slide way 18, the slide block 19 and the fork tube 15 can be directly or indirectly displaced relative to each other by rotating the novel handrail 3, and the fixing shaft 20 is further driven to move in the arc-shaped slide way, a cavity 27 is formed in the middle of the slider 19, a semicircular hole 28 for allowing the fastening member 17 to pass through is formed in one side of the cavity 27, and a third spring 29 is abutted between the fastening member 17 and the cavity 27.

Referring to fig. 7 in detail, a sliding head 22 is slidably disposed at a lower portion of the handrail tube 2, a wire rope set 24 is fixed on the novel handrail 3, the other end of the wire rope set 24 is fixedly connected with the sliding head 22, an inclined plane 23 for the sliding head 22 to extrude is formed at an upper end of the slider 19, the novel handrail 3 is connected with and drives the sliding head 22 through a linkage mechanism, the sliding head 22 can move in the handrail tube 2 by rotating the novel handrail 3, so as to extrude the inclined plane 23, so as to drive the slider 19 to move in the fork tube 15, a fixing head 25 is mounted at an upper end of the sliding head 22, the fixing head 25 is located at an upper end of the inclined plane 23 and fixed on the handrail tube 2, a second spring 26 is abutted between the fixing head 25 and the sliding head 22, and the novel handrail 3 can be folded after the unlocking button 5 is pressed, and this device is steel wire rope group 24 through the link gear that sets up, when novel handrail 3, can rotate folding to holding up pipe 2 simultaneously, need not to press other folding switch, convenient operation.

With reference to fig. 14 and 15, an inner tube 30 penetrates through the supporting tube 2, an elastic pin member 34 is elastically clamped in the inner tube 30, the other end of the elastic pin member 34 extends out of the inner tube 30 and is provided with a protruding block 35, because the elastic pin member 34 has elasticity, after the protruding block 35 is pressed, the elastic pin member 34 is compressed, so that the protruding block 35 retracts into the supporting tube 2, the supporting tube 2 and the inner tube 30 can move relatively at the moment, so that the height is adjusted, and a plurality of positioning holes 36 for the protruding block 35 to pass through are formed in the supporting tube 2. The upper end of inner tube 30 stretches out in holding up the pipe 2 and connect novel handrail 3, hold up and install sheath 31 between the upper end opening of pipe 2 and the inner tube 30, hold up the upper end opening part of pipe 2 and offer elasticity opening 32, quick detach 33 is installed to the periphery of elasticity opening 32.

The specific working process of the product folding is as follows:

Firstly, the unlocking button 5 in the armrest cover 7 is pressed, namely, the pressing part 8 is pressed by applying force, at this time, the clamping part 6 of the unlocking button 5 leaves the clamping grooves 13a on the right driving wheel 4a and the left driving wheel 4b, the first spring 9 is compressed at the same time, at this time, the right driving wheel 4a and the left driving wheel 4b can relatively rotate, and the pressing part 8 can not be pressed any more, at this time, the clamping part 6 is forced to recover the original position due to the elastic deformation of the first spring 9, therefore, when the right driving wheel 4a and the left driving wheel 4b rotate, the clamping part 6 is attached to the surfaces of the right driving wheel 4a and the left driving wheel 4b, then the gear teeth 12 are mutually engaged, namely, the left armrest and the right armrests can be rotated and folded, because the steel wire rope group 24 is fixed on the novel armrest 3, then when the novel armrest 3 rotates downwards, the right driving wheel 4a and the left driving wheel 4, the steel wire rope 28 is pulled to shorten the length of the steel wire rope 28, so the sliding head 22 connected below the steel wire rope 28 is driven to move upwards, when the novel handrail 3 is folded to 45 degrees, the clamping part 6 can be automatically clamped into the second unlocking groove 13b, the folding operation is convenient, meanwhile, in the rotating process of the novel handrail 3, the sliding head 22 moves upwards and compresses the second spring 26, at the moment, the sliding head 22 just moves up to the position of the inclined surface 23 of the sliding block 19, then the sliding head 22 pushes the sliding block 19 downwards, so the sliding block 19 moves downwards, when the sliding block 19 moves downwards, the third pressure spring 29 is compressed, at the same time, the fixing shaft 20 installed on the sliding block 19 moves into the arc-shaped slideway 18 from the locking clamping groove 21, at the moment, the fork tube 15 can be rotated and folded leftwards, and at the fixing shaft 20 slides leftwards in the arc-shaped slideway 18, until the pin roll slides to the leftmost side, the pin roll can not slide leftward any more, at this time, the straight tube 13 is already in the completely folded state, after the scooter is in the completely folded state, at this time, the novel handrail 3 is folded from 45 ° to 90 °, the wire rope group 24 will be pulled continuously, the length of the wire rope group 24 is further shortened, the sliding head 22 will continue to move upward, and at the same time, the second spring 26 will be further compressed, at this time, the sliding head 22 will move to the upper end of the inclined surface 23, and leave the inclined surface 23, at this time, the sliding head 22 will not push the sliding block 19 downward, and because the inclined surface 22 loses the pressure applied by the sliding head 22, the compressed third pressure spring 29 at the other end of the sliding block 19 will release the pressure, the third pressure spring 29 will stretch to the expanded state, so as to push the sliding block 19 upward, when the sliding block 19 moves upward, the fixed shaft 20 enters the locking slot 21 again, and when novel handrail 3 rolled over 90, third draw-in groove 13c can be gone into to joint portion 6 automatic card, and beta structure at this moment is in the lock state of dying, and folding scooter after folding is in the lock state of dying, can not become flexible, conveniently takes.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The novel handrail is characterized in that the novel handrail (3) comprises a left handrail (3a) and a right handrail (3b), a first folding device (4) is arranged between the left handrail (3a) and the right handrail (3b), and the left handrail (3a) and the right handrail (3b) can be rotationally folded relative to the first folding device (4); the first folding device (4) comprises a right driving wheel (4a) and a left driving wheel (4b), the right end of the left handrail (3a) is connected with the right driving wheel (4a), and the left end of the right handrail (3b) is connected with the left driving wheel (4 b); the right driving wheel (4a) abuts against the left driving wheel (4b), and the right driving wheel (4a) and the left driving wheel (4b) rotate and fold by taking respective circle centers as axes.

2. The novel handrail of claim 1, wherein: the right transmission wheel (4a) and the left transmission wheel (4b) are both formed with wheel teeth (12), and the right transmission wheel (4a) and the left transmission wheel (4b) can be meshed with each other through the wheel teeth (12).

3. The novel handrail of claim 2, wherein: an unlocking button (5) capable of moving back and forth is arranged between the right driving wheel (4a) and the left driving wheel (4b), a clamping portion (6) is formed at one end of the unlocking button (5), and the clamping portion (6) is clamped between the right driving wheel (4a) and the left driving wheel (4b) and limits rotation of the right driving wheel (4a) and the left driving wheel (4 b).

4. A novel handrail as claimed in claim 3, wherein: and clamping grooves (13a) matched with the clamping parts (6) are formed in the end faces of the right driving wheel (4a) and/or the left driving wheel (4 b).

5. The novel handrail of claim 4, wherein: the folding device is characterized by further comprising a second unlocking groove (13b) and a third clamping groove (13c), wherein the clamping groove (13a), the second unlocking groove (13b) and the third clamping groove (13c) are respectively and sequentially arranged on the outer edge of the right driving wheel (4a) and/or the outer edge of the left driving wheel (4b) and are used for being matched with the clamping part (6) in different folding stages.

6. A novel handrail as claimed in claim 3, wherein: a first spring (9) is arranged between the clamping portion (6) and the armrest cover (7).

7. A novel handrail as claimed in claim 3, wherein: and armrest covers (7) are arranged on the outer sides of the right transmission wheel (4a) and the left transmission wheel (4b), and the other end of the unlocking button (5) extends out of the armrest covers (7) to form a pressing part (8).

8. The novel handrail of claim 7, wherein: a support (10) is further mounted between the right driving wheel (4a), the left driving wheel (4b) and the armrest cover (7), hole sites (11) are formed in the left side and the right side of the support (10), and the right driving wheel (4a) and the left driving wheel (4b) are rotatably arranged on the hole sites (11) by taking respective circle centers as axes.