WO2020047952A1

WO2020047952A1 - Hand-press folding scooter

Info

Publication number: WO2020047952A1
Application number: PCT/CN2018/110917
Authority: WO
Inventors: 陈彩云
Original assignee: 俪新集团有限公司
Priority date: 2018-09-03
Filing date: 2018-10-19
Publication date: 2020-03-12
Also published as: CN209426951U; CN110001844A; CN110001844B

Abstract

A hand-press folding scooter, wherein a folding press piece (100) is pressed to drive an upper push rod (97) to move downwards so that a lower portion thereof moves to a lower push rod (96) such that parts of racks (962, 971) of the lower push rod and the upper push rod engage together and sequentially push the lower push rod, a pull piece (91) and a steel rope (90) in a linked manner so that a slide pin (92) slides to extend or retract into position slots (12, 13). Thus, pressing the folding press piece downwards causes parts of the racks between the lower push rod and the upper push rod to engage together to fold or unfold the scooter regardless of whether a movable tube (62) of a telescopic rod (6) is in a high position or contracted into place, so that the folding and unfolding operations are not restricted by the position state of the telescopic rod, and it is not necessary to contract the telescopic rod to the shortest state each time the scooter is folded or unfolded, which satisfies people's usual habits for scooter folding and unfolding. The scooter has a more reasonable structure, and is easy to operate with one hand.

Description

Hand pushing folded scooter

Technical field

The utility model relates to a scooter.

Background technique

We know that for the convenience of carrying and storage, the current scooters are basically made to be foldable. At present, there are many types of folding structures for scooters, but they are basically complicated, and often require two hands to operate at the same time. Therefore, the folding operation of these structures is not convenient, and the production cost is relatively high. For this reason, some people have also developed scooters that rely on one hand to operate the button to fold, such as the scooter with patent number 2016214703435 and the scooter with more convenient folding operation with patent application number 2016112448412. Pressing the button to achieve the folding, which is more laborious and laborious in operation; and for scooters with a retractable handle tube (most scooters are the same), you must retract the handle tube to It can only be operated at the shortest time. This folding method is not in line with people's daily operating habits (people's habit is to retract the handle regardless of whether the handle tube is retracted at any position), so the current one-handed folding scooter There is a need for further improvements.

technical problem

The purpose of the utility model is to overcome the shortcomings of the prior art, and provide a scooter with a more reasonable structure and conforming to people's folding habits. The folding operation is not affected by the position of the telescopic rod and is convenient for one-handed operation.

Technical solutions

A hand-folding scooter includes a bottom plate with a pair of coupling plates at the front end, and a rear wheel assembly provided at the rear end of the bottom plate. The fork tube connected to the pair of coupling plates is swinged through a swing shaft. A steering rod sleeved in the sleeve portion of the fork pipe, a telescopic rod connected to the upper end of the steering rod, a front wheel assembly connected to the lower end of the steering rod, a handle mounted on the upper end of the telescopic rod, and a folding structure, wherein :

The fork tube includes a circular sleeve portion and a slanted tube portion that communicate with each other;

The telescopic rod includes a fixed tube sleeved with the steering rod and a movable tube which is telescopically sleeved into the fixed tube, and is locked between them by a telescopic locking component;

The coupling piece is provided with an arc-shaped surface with the swing axis as a circle center, and an unfolded in-place slot and a closed-in slot at two ends of the arc-shaped surface;

The folding structure includes a steel rope, a pulling member and a sliding pin connected to the upper and lower ends of the steel rope, a steel rope straddle fulcrum, a pulling member return spring, a sliding pin return spring, a lower push rod, and an upper push Lever, push rod return spring, upper push rod swing pusher, and folding presser; the pulling member and traction member return spring are sleeved in the space between the inner wall of the sleeve portion and the outer wall of the steering rod, and Sliding up and down along the outer wall of the steering rod; the traction member return spring resets the pulling member upwards; the steel rope straddling fulcrum traverses the side of the inclined pipe portion near the sleeve portion; The rigid rope passes along the length direction in the tube of the inclined pipe portion, and the upper and lower ends thereof are respectively connected with the pulling member and the sliding pin after the upper part of the rigid rope spans the fulcrum; the sliding pin return spring The ends are respectively connected to the sliding pin and the swing shaft, and the sliding pin can slide along the arc surface of the coupling plate and can be slid down into the unfolded slot or closed into the slot under the pull of the sliding pin reset spring; The inclined pipe part is provided with an avoidance strip hole for the sliding pin to slide in, slide out to expand, and close in place; The upper push rod and the push rod return spring are provided in the moving tube; the folding pressing member is provided in the moving tube, and its lower end acts on the upper push rod to move the upper push rod downward in the moving tube; The lower push rod and the upper push rod swing pusher are arranged in the fixed tube, and the upper push rod protruding from the lower portion into the fixed tube is clamped therein; a lower portion of the lower push rod is provided with an elastic sheet. A push pin; the lower push lever and the steering lever are respectively provided with a pin hole and a push pin sliding hole for the push pin to be exposed; the push pin is connected to the pulling member sleeved outside the steering lever; The lower push rod and the upper push rod are respectively provided with racks, and when the folding pressing member is pushed down to drive the upper push rod in the moving tube to move downward, the upper push rod swing push member can push After the upper push rod swings obliquely toward the lower push rod, a part of the rack between the lower push rod and the upper push rod snaps together; when the upper push rod pushes the lower push rod to move downward, it is installed in the lower push rod The pushing pin pushes the pulling member to overcome the elastic force of the return spring of the traction member, and then the steering rod Slide down the wall, and then pulling the steel cord member in the steel rope across the outer edge of the fulcrum to pull-pull, pull the other end of the slide pin sliding in the steel cord of the slide pin against the force of the return spring Leave it in place or slide away in place.

In an improvement of the above-mentioned hand-folded scooter, a strip-shaped guide hole is provided in the upper part of the upper push rod; the puller return spring is a compression spring provided in the guide hole; A transverse pin is provided in a guide hole located below the reset spring of the pulling member, and two ends thereof are horizontally inserted and fixed in the pin hole of the moving tube.

In the improved solution of the above-mentioned hand-folded scooter, the lower push rod is divided into a rack portion and a tubular portion of an upper portion, which are connected by a pin; the rack is provided on the rack portion; The push pin with the elastic piece is disposed in the tubular portion.

In an improvement of the above-mentioned hand-folded scooter, a push rod separating pusher is provided in the telescopic rod to swing the upper push rod away from the lower push rod.

In an improved solution of the above-mentioned hand-folded scooter, the push rod separation pusher is a V-shaped elastic steel bar installed in the lower end of the upper push rod.

In the improved solution of the above-mentioned hand-folded scooter, the racks of the lower push rod and the upper push rod are respectively divided into two rows by a separating groove in a linear direction, and the elastic steel bar is provided on the upper push rod. In the separation slot.

In an improved solution of the above-mentioned hand-folded scooter, the upper push rod swing pusher has a tubular shape and is inserted into the fixed tube; the upper end of the upper push rod and the upper end of the lower push rod extend into the upper The push rod swings the push piece in the tube; an oblique projection is provided on the lower end of the upper push rod, and the inner wall of the upper push rod swing push is provided with an oblique push platform that interacts with the oblique projection.

In the improved solution of the hand-folded scooter, an oblique shoulder is provided on the lower part of the folding and pressing member, and a force inclined surface interacting with the oblique shoulder is provided on the upper end of the upper push rod.

Beneficial effect

Because the folding and unfolding of the scooter is controlled, the folding pusher is pressed to move the upper push rod downward while moving the lower push rod downward, so that a part of the rack of the lower push rod and the upper push rod is engaged with Together, push the push rod, puller, and steel rope in sequence to make the sliding pin slide away from the expansion or collapse into place slot, so no matter whether the moving tube of the telescopic rod is in the high position or contracted in place, just go to Pressing the fold-down pusher can engage a part of the rack between the lower push rod and the upper push rod to achieve folding or unfolding the scooter, so that the folding and unfolding operations are not restricted by the position of the telescopic rod. Therefore, there is no need to shrink the telescopic tube to the shortest state to operate each time when the scooter is folded or unfolded, which is very in line with the usual habit of folding and unfolding the scooter. Therefore, the structure of the utility model is more reasonable. Easy to operate by hand.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic perspective view 1 (unfolded state) of an embodiment of the present invention;

2 is a second perspective view (folded state) of an embodiment of the present invention;

3 is a schematic structural diagram of an embodiment of the present invention;

4 is an enlarged view of part I of FIG. 3;

5 is an enlarged view of part II of FIG. 3;

FIG. 6 is a first assembly schematic diagram of an embodiment of the present invention; FIG.

FIG. 7 is a second assembly diagram of the embodiment of the present invention; FIG.

FIG. 8 is a schematic perspective view of some components of the folding structure according to the embodiment of the present invention.

Embodiments of the invention

A hand-folded scooter, as shown in FIGS. 1 to 8, includes a bottom plate 2 with a pair of coupling plates 1 at the front end, and a rear wheel assembly 3 (which can be a single or double rear wheel assembly) provided at the rear end of the bottom plate 2. The fork pipe 4 connected to the pair of coupling plates 1 is oscillated through the swing shaft 41, and the steering rod 5 sleeved in the sleeve portion 42 of the fork pipe 4 is rotated through the upper and lower slewing bearings 51 and 52, and the steering A telescopic rod 6 connected to the upper end of the lever 5, a front wheel assembly 7 (which may be single or double front wheels) connected to the lower end of the steering rod 5, a handle 8 mounted on the upper end of the telescopic rod 6, and control whether the fork pipe 4 can be deployed and Collapsed folding structure 9; here:

The fork pipe 4 includes a communicating circular sleeve portion 42 and an inclined pipe portion 43 (usually a square pipe);

The telescopic rod 6 includes a fixed pipe 61 which is sleeved with the steering rod 5 (here, they are screwed together and then locked together) and is telescopically sleeved into the fixed pipe 61 through a height-adjusting elastic pin. Moving tube 62, which is locked between them by a telescopic locking assembly 63;

The coupling piece 1 is provided with an arc-shaped surface 11 with the swing axis 41 as a center, and an unfolded in-position groove 12 and a closed-in-position groove 13 located at both ends of the arc-shaped surface 11;

The folding structure 9 includes a steel rope 90, a pulling member 91 and a sliding pin 92 connected to the upper and lower ends of the steel rope 90, a steel rope span pulling fulcrum 93, a pulling member return spring 94, and a sliding pin return spring. 95. The lower push rod 96, the upper push rod 97, the push rod return spring 98, the upper push rod swing pusher 99, and the folding pressing member 100; the pulling member 91 and the traction member return spring 94 are sleeved on the sleeve portion 42 The space between the inner wall and the outer wall of the steering rod 5 can slide up and down along the outer wall of the steering rod 5; the traction member reset spring 94 resets the pulling member 91 upward (here, the traction member is reset The spring 94 is a compression spring, which is located below the clamping member, of course, it can also be a tension spring, etc.); the steel rope spans the fulcrum 93 across the inclined pipe portion 43 near the sleeve portion 42 On the side; the rigid rope 90 passes along the length direction of the inclined pipe portion 43 and the upper part of the rigid rope 90 crosses the rigid rope span fulcrum 93, and the upper and lower ends thereof are respectively connected with the pulling member 91 and the sliding pin 92 Connection; two ends of the sliding pin return spring 95 are respectively connected to the sliding pin 92 and the swing shaft 41, and the sliding pin 92 can slide along the arc surface 11 of the coupling plate 1 and slide on the sliding surface When the pin return spring 95 is pulled, it can slide down into the deployed slot 12 or collapse into the slot 13; the inclined pipe portion 43 is provided with an avoidance for the sliding pin 92 to slide in, slide out of the deployment, and collapse into the slot. The bar-shaped hole 431, so as not to interfere with the sliding of the sliding pin; the upper push rod 97 and the push rod return spring 98 are provided in the moving tube 62; the folding and pressing member 100 is provided in the moving tube (Here, because the scooter has two handles, at this time, the pressing member is set in the horizontal pipe portion of the T-shaped moving pipe, and then directly passes into the vertical pipe portion of the moving pipe, and the horizontal pipe portion is exposed upward; of course, press Pieces can also be sleeved outside the vertical pipe portion of the moving tube 62), and its lower end acts on the upper push rod to move the upper push rod downward in the moving tube; the lower push rod 96 and the upper push rod swing the pusher 99 is provided in the fixed tube 61, and the upper push rod 97 protruding from the lower portion into the fixed tube 61 is sandwiched therein; the upper portion of the lower push rod 96 is extended into the movable tube; and the lower push rod A push pin 102 with an elastic piece 1021 is provided in a lower portion of the 96; pin holes 961, 961, Push pin slide hole 53; the push pin 102 is connected to the pulling member 91 sleeved outside the steering lever 5, so that when the lower push lever 96 is moved downward by the upper push lever 97, the push pin 102 can be pushed through Acting on the pulling member 91 to pull the rigid rope to fold the scooter; in order to realize that the upper push rod drives the lower push rod to move down to fold or unfold the scooter, the lower push rod 96 and the upper push rod 97 Racks 971 and 962 are respectively provided on the upper side. When the folding pusher 100 is pushed down to move the upper push rod 97 in the moving tube 62 to move downward, the upper push rod swing pusher 99 can push the After the upper push rod 97 swings obliquely toward the lower push rod 96, a part of the racks 962, 971 between the lower push rod 96 and the upper push rod 97 mesh together, so that the lower push can be pushed by the upper push rod 97 The lever 96 moves downward, and the push pin 102 in the lower push lever 96 will push the puller 91 to overcome the elastic force of the traction member return spring 94 and slide down the outer wall of the steering rod, and then the puller 91 will move the steel 90 along the steel cord of the cord pull across the fulcrum 93 to pull the outer edge, can pull the steel After the sliding pin 92 at the other end of the rope overcomes the force of the sliding pin return spring 95, it slides away from the expansion slot 12 to collapse or slides away from the compression slot 13 to expand the scooter.

As can be seen from the above, when the folding and unfolding of the scooter is operated, the lower push rod 96 and the lower push rod 96 are pushed down while the upper push rod 97 is moved downward by pushing down the retractable pressing member 100 and the lower push rod 96 and A part of the bar teeth 962 and 971 of the upper push rod 97 are snapped together, and then the lower push rod 96, the pulling member 91, and the steel rope 90 are sequentially pushed in a coordinated manner, and the sliding pin 92 is slid away from the unfolding or closing position groove to realize In this way, no matter whether the moving tube of the telescopic rod is in the high position or contracted in place, as long as the folding and pressing member 100 is pressed down, a part of the racks 962 and 971 between the lower push rod 96 and the upper push rod 97 can be snapped together. Get up to realize the folding or unfolding scooter, so that its folding and unfolding operations are not limited by the position of the telescopic rod, so there is no need to retract the telescopic tube to the shortest state before operating the folding or unfolding scooter. It is very in line with people's usual habit of folding and unfolding scooters, so the structure of the utility model is more reasonable.

As a preferred embodiment, as shown in FIG. 8, the tooth shapes of the racks 971 and 962 of the upper push rod 97 and the lower push rod 96 are slightly inclined, and they engage in one direction (the upper push rod 97 only engages when it is pushed downward). Together).

In this embodiment, a strip-shaped guide hole 974 is provided in the upper portion of the upper push rod 97; the puller reset spring 94 is a compression spring provided in the guide hole 974; A transverse pin 101 is provided in the guide hole 974 below the pull-piece return spring 94, and both ends thereof are inserted and fixed in the pin hole 621 of the moving pipe 62. The horizontal pin moves upwards and downwards slightly to guide the 97 of the upper push rod In addition, it can also provide support for the action of the compression spring on the upper push rod.

In this embodiment, as shown in FIGS. 6 and 7, in order to facilitate production and assembly, the lower push rod 96 is divided into a rack portion 963 and a tubular portion 964 of an upper portion, which are connected by a pin 103; A rack 962 is provided on the rack portion 963; the push pin 102 with the elastic piece 1021 is provided in the tubular portion 964. Preferably, a push rod separating pusher 104 is provided in the telescopic rod 6 to swing the upper push rod 97 away from the lower push rod 96. In this way, when the folding pusher 100 is released, the lower push rod 96 and the upper push rod can be avoided. The racks 962 and 971 of the push rod 97 still bite together and affect the reset of the folding structure 9. The push rod separating pusher 104 is usually an elastic member, which can be a tension spring, a compression spring, or a bent elastic steel bar, an elastic sheet, etc. In this embodiment shown in FIG. 7, it is a push rod mounted on the push rod. 97 V-shaped elastic steel bar in the lower end (its elasticity does not need to be very large, the steel bar can assist to separate the upper and lower pushers when the folding and pressing member is released), and it faces the lower push rod 96, when the upper When the lower part of the push rod pushes the rod downward, one end of the elastic steel bar is pressed against the lower push rod, and once the folding and pressing member is released, the upper and lower push rods are smoothly separated by the action of the elastic steel bar. In this embodiment, the racks 962 and 971 of the lower push rod 96 and the upper push rod 97 are separated into two rows by separating grooves 965 and 972 in a linear direction, and the elastic steel bar is provided on the upper push rod 97. In the separation groove 965, this not only helps the meshing between the racks, but also helps to install and balance the elastic steel bars.

The upper push rod swing pusher 99 can have various structures, as long as the lower push rod can be pushed down when the upper push rod is moved down, and the lower push rod can be automatically swung away when the upper push rod is moved upward and reset. In this embodiment, the upper push rod 97 and the upper push rod swing pusher 99 are implemented by means of an inclined platform. As shown in FIG. 4 and FIG. Into the fixed pipe 61; the upper end of the upper push rod 97 and the upper end of the lower push rod 96 extend into the tube of the upper push rod swing pusher 99; and the inclined end 973 is provided on the lower end of the upper push rod, An inclined push platform 991 is provided on the inner wall of the upper push rod swing pusher 99. When the upper push rod moves downward, the upper push rod can swing the lower push rod downward under the action of the inclined push platform 991.

Preferably, an oblique shoulder is provided at the lower part of the folding presser 100, and a force-inclined surface interacting with the oblique shoulder is provided at the upper end of the upper push rod, so that when the folding presser 100 is pressed , It helps to make the lower part of the upper push rod push the rod downward, so as to achieve the purpose of more effortless operation of the folding structure.

The scooter shown in this embodiment is a two-handle.

Sequence Listing Free Content

Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that the present invention can be applied to the present invention without departing from the principle and spirit of the present invention as defined by the claims. The utility model makes various changes or modifications. Therefore, the detailed description of the embodiments of the present disclosure is only for explanation, not for limiting the present invention, but for defining the scope of protection by the content of the claims.

Claims

A hand-folding scooter includes a bottom plate with a pair of coupling plates at the front end, and a rear wheel assembly provided at the rear end of the bottom plate. The fork tube connected to the pair of coupling plates is swinged through a swing shaft. A steering rod sleeved in the sleeve portion of the fork pipe, a telescopic rod connected to the upper end of the steering rod, a front wheel assembly connected to the lower end of the steering rod, a handle mounted on the upper end of the telescopic rod, and a folding structure, Features are:

The fork tube includes a circular sleeve portion and a slanted tube portion that communicate with each other;

The telescopic rod includes a fixed tube sleeved with the steering rod and a movable tube which is telescopically sleeved into the fixed tube, and is locked between them by a telescopic locking component;

The coupling piece is provided with an arc-shaped surface with the swing axis as a circle center, and an unfolded in-place slot and a closed-in slot at two ends of the arc-shaped surface;

The folding structure includes a steel rope, a pulling member and a sliding pin connected to the upper and lower ends of the steel rope, a steel rope straddle fulcrum, a pulling member return spring, a sliding pin return spring, a lower push rod, and an upper push Lever, push rod return spring, upper push rod swing pusher, and folding presser; the pulling member and traction member return spring are sleeved in the space between the inner wall of the sleeve portion and the outer wall of the steering rod, and Sliding up and down along the outer wall of the steering rod; the traction member return spring resets the pulling member upwards; the steel rope straddling fulcrum traverses the side of the inclined pipe portion near the sleeve portion; The rigid rope passes along the length direction in the tube of the inclined pipe portion, and the upper and lower ends thereof are respectively connected with the pulling member and the sliding pin after the upper part of the rigid rope spans the fulcrum; the sliding pin return spring The ends are respectively connected to the sliding pin and the swing shaft, and the sliding pin can slide along the arc surface of the coupling plate and can be slid down into the unfolded slot or closed into the slot under the pull of the sliding pin reset spring; The inclined pipe part is provided with an avoidance strip hole for the sliding pin to slide in, slide out to expand, and close in place; The upper push rod and the push rod return spring are provided in the moving tube; the folding pressing member is provided in the moving tube, and its lower end acts on the upper push rod to move the upper push rod downward in the moving tube; The lower push rod and the upper push rod swing pusher are arranged in the fixed tube, and the upper push rod protruding from the lower portion into the fixed tube is clamped therein; a lower portion of the lower push rod is provided with an elastic sheet. A push pin; the lower push lever and the steering lever are respectively provided with a pin hole and a push pin sliding hole for the push pin to be exposed; the push pin is connected to the pulling member sleeved outside the steering lever; The lower push rod and the upper push rod are respectively provided with racks, and when the folding pressing member is pushed down to drive the upper push rod in the moving tube to move downward, the upper push rod swing push member can push After the upper push rod swings obliquely toward the lower push rod, a part of the rack between the lower push rod and the upper push rod snaps together; when the upper push rod pushes the lower push rod to move downward, it is installed in the lower push rod The pushing pin pushes the pulling member to overcome the elastic force of the return spring of the traction member, and then the steering rod Slide down the wall, and then pulling the steel cord member in the steel rope across the outer edge of the fulcrum to pull-pull, pull the other end of the slide pin sliding in the steel cord of the slide pin against the force of the return spring Leave it in place or slide away in place.
The hand-folded scooter according to claim 1, wherein a strip-shaped guide hole is provided in an upper portion of the upper push rod; and the pull-member return spring is provided in the guide hole. A horizontal pin is provided in a guide hole located under the reset spring of the pulling member, and two ends thereof are horizontally inserted and fixed in the pin hole of the moving tube.
The hand-folded scooter according to claim 2, wherein the lower push rod is divided into a rack portion and a tubular portion of the upper portion, which are connected by a pin; the rack is provided on the tooth On the strip part; the push pin with the elastic sheet is arranged in the tubular part.
The hand-folding scooter according to claim 1 or 2 or 3, wherein a push rod separating pusher is provided in the telescopic rod to swing the upper push rod away from the lower push rod.
The hand-folded scooter according to claim 4, wherein the push rod separating pusher is a V-shaped elastic steel bar installed in the lower end of the upper push rod.
The hand-folded scooter according to claim 5, characterized in that the racks of the lower push rod and the upper push rod are respectively divided into two rows by a separating groove in a linear direction, and the elastic steel bar is provided at Push the lever into the divider slot.
The hand-folding scooter according to claim 5 or 6, wherein the upper push rod swing pusher has a tubular shape and is installed in the fixed tube; the upper end of the upper push rod and the lower push rod The upper end extends into the tube of the upper push rod swing pusher; an oblique projection is provided on the lower end of the upper push rod; and the inner wall of the upper push rod swing push is provided with an interaction with the oblique projection Inclined platform.
The hand-folded scooter according to claim 7, characterized in that an oblique shoulder is provided at the lower part of the folding pressing member, and an upper end of the upper push rod is provided with an interaction with the oblique shoulder. Forced bevel.