CN218806340U - Folding mechanism for handle bar of children scooter - Google Patents

Abstract

The utility model discloses a children's slide handlebar stem folding mechanism, including handlebar stem, gag lever post, folding seat, base, rotatory clutching mechanism, folding seat articulates on the base, connects on folding seat the handlebar stem, but the gag lever post set up on the handlebar stem with axial displacement, correspond on the base and be equipped with and expand locking notch and folding locking notch with the gag lever post complex, rotatory clutching mechanism include rotatory overcoat, rotatory lift cover, correspond on the rotatory lift cover and be equipped with lift tooth and wavy guide rail, be equipped with the lifting tooth's socket on the rotatory overcoat, be equipped with wavy guide rail groove on the folding seat, rotatory lift cover cup joints on the handlebar stem and inserts on folding seat, rotatory overcoat cup joints on rotatory lift cover. After adopting above-mentioned structure, have simple structure compactness, rotate rotatory overcoat and can accomplish expand and fold, flexible operation light, use advantage such as safe and reliable.

Description

Folding mechanism for handle bar of children scooter

Technical Field

The utility model relates to a children's motion body-building apparatus, especially a folding simple light, safe and reliable's of use children's slide handlebar hand lever folding mechanism.

Background

The children scooter can be used as a leisure entertainment appliance and a body-building appliance, has the characteristics of small folding size, light weight, low cost, flexibility, portability, good controllability, strong interestingness and the like, and is popular among children and teenagers. To facilitate packaging, shipping and storage, the handle bar is typically connected to the base by a folding mechanism. The existing folding mechanism has many kinds, for example, chinese patent publication No. CN211223730U discloses a folding structure of a scooter, which adopts a mode of pulling a bolt by a rotating sleeve to unlock a rotating seat relative to a placing groove, a user only needs to rotate the rotating sleeve, the operation is more simplified, and a safety button is arranged on the rotating sleeve, the rotating sleeve can be rotated only after the safety button is pressed, the safety button is arranged because locking is performed from the driving source, and the locking effectiveness is ensured; the user can drive the safety button with one hand and rotate the rotating sleeve, so that the operation is more convenient. However, the following problems exist in the actual use process: firstly, rotatory unlocking structure is too complicated, and the cooperation required precision is higher, and the production and processing degree of difficulty is big, and manufacturing cost is high. Secondly, the safety and reliability are poor, a safety button must be used, if the safety button is not locked reliably or is forgotten to be locked, the potential safety hazard that the handle rod is separated from the base exists in the movement process, and even personal injury is caused. Therefore, many manufacturers and knowledgeable persons develop and develop the products, but no more ideal products are yet available.

Disclosure of Invention

In order to overcome the problems existing in the prior art, the utility model aims to provide a folding mechanism of a child scooter handlebar rod, which has simple and compact structure, convenient and flexible operation and safe and reliable use and can finish the unfolding and folding by rotating a rotary coat.

The utility model provides a technical scheme that above-mentioned technical problem adopted, it includes handle bar, gag lever post, folding seat, base, rotatory clutching mechanism, folding seat articulates on the base through the hinge, the handle bar passes through the hinge and connects on folding seat, the gag lever post through the hinge and the cooperation of gag lever post waist hole with handle bar waist hole elastic reset ground set up on the handle bar, correspond on the base and be equipped with the expansion locking notch and the folding locking notch of gag lever post locking part complex, rotatory clutching mechanism include rotatory overcoat, rotatory lifting sleeve, correspond on the rotatory lifting sleeve and be equipped with lifting tooth and wavy guide rail, be equipped with the lifting tooth's socket on the rotatory overcoat, be equipped with wavy guide rail groove on the folding seat, rotatory lifting sleeve cup joints on the rotatory lifting sleeve and makes lifting tooth's socket and lifting tooth's axial cooperation; when the rotary outer sleeve is rotated, the rotary lifting sleeve is matched with the wavy guide rail groove in a rotating mode to move upwards and axially through the wavy guide rail and push the lifting pin, and the lifting pin drives the limiting rod to move upwards and axially to be separated from the unfolding locking notch or the folding locking notch.

The utility model discloses a further scheme, the top of rotatory overcoat is spacing through the fixed cover of spacing with the handle bar, below and the rotatory cooperation of folding seat.

The utility model discloses a further scheme, spacing fixed cover and lifting pin between be equipped with the cover and establish the reset spring on the handle bar.

The utility model discloses a further scheme, the hinge on be equipped with the spring holder, be equipped with reset spring between spring holder and the gag lever post.

The utility model discloses a further scheme, be fixed with spring locating pin on the gag lever post of spring holder top.

The utility model discloses a further scheme, lifting pin and rotatory lift cover between be equipped with the gasket.

After adopting above-mentioned structure, compare with prior art and have following advantage and effect: firstly because rotatory lift cover passes through the wavy guide rail and the wavy guide rail groove normal running fit of folding seat, rotatory overcoat passes through the lifting tooth axial coordination of lifting tooth's socket and rotatory lift cover, when rotating rotatory overcoat, rotatory lift cover makes progress axial displacement and top push lifting pin through wavy guide rail and wavy guide rail groove normal running fit, the lifting pin drives gag lever post axial displacement that makes progress and expandes locking notch or folding locking notch separation realization unblock, the user only need rotate rotatory overcoat can, therefore, the steam generator is simple in operation, the rotation is light. And secondly, the reset spring ensures that the limiting rod always has an outward extending thrust, the limiting rod is in a locking state when being arranged at the bottom of the wavy guide rail groove through structural design, the limiting rod is in an unlocking state when being arranged at the high position of the wavy guide rail groove, and the rotating outer sleeve is loosened to automatically lock, so that the limiting rod can be ensured to be always in the locking state under the condition of no artificial unlocking, and the driving is safe and reliable. Thirdly, simple structure, production and processing are convenient, assembly efficiency is high, low in production cost, long service life.

Drawings

Fig. 1 is an exploded schematic view of a first embodiment of the present invention.

Fig. 2 is a schematic view of the fitting structure of the first embodiment of the present invention when it is deployed.

Fig. 3 is a schematic view of the fitting structure of the first embodiment of the present invention when folded.

Fig. 4 is an exploded view of a second embodiment of the present invention.

Fig. 5 is a schematic view of the fitting structure of the second embodiment of the present invention when it is deployed.

Fig. 6 is a schematic view of a fitting structure of the second embodiment of the present invention when folded.

Wherein 1 handle pole kidney hole, 2 handle poles, 3 spacing fixed cover, 4 reset spring, 5 lifting pin, 6 gag lever posts, 7 gaskets, 8 rotatory overcoat, 9 rotatory lifting cover, 10 folding seats, 11 hinge shafts, 12 bases, 13 gag lever post kidney holes, 14 lift tooth's socket, 15 lift teeth, 16 wavy guide rail, 17 wavy guide rail groove, 18 folding locking notch, 19 expansion locking notch, 20 spring holders, 21 spring locating pins.

Detailed Description

Fig. 1 to fig. 3 show, for the utility model discloses children's scooter handle bar folding mechanism's first concrete implementation scheme, it includes handle bar 2, gag lever post 6, folding seat 10, base 12, rotatory clutching mechanism, folding seat 10 articulates on base 12 through hinge 11, handle bar 2 is connected on folding seat 10 through hinge 11, gag lever post 6 through lifting pin 5 with handle bar waist hole 1 and hinge 11 with the cooperation of gag lever post waist hole 13 can elastically reset and set up on handle bar 2, correspond on the base 12 and be equipped with the complex of gag lever post 6 locking part expansion locking notch 19 and folding locking notch 18, rotatory clutching mechanism include rotatory overcoat 8, rotatory lifting sleeve 9, correspond on the rotatory lifting sleeve 9 and be equipped with lift tooth 15 and wavy guide rail 16, be equipped with lift tooth's socket 14 on the rotatory overcoat 8, be equipped with wavy guide rail groove 17 on folding seat 10, rotatory lifting sleeve 9 cup joints on handle bar 2 and is located lifting pin 5's below, the lower part cup joints wavy guide rail 16 and makes wavy guide rail 16 and rotatory guide rail 17 coordinate on folding seat 10, the lift tooth's socket makes wavy guide rail 17 coordinate on rotatory lifting sleeve 15 and the lift tooth and rotatory guide rail 15.

In order to ensure the positioning of the rotating outer sleeve 8, the upper part of the rotating outer sleeve 8 is limited by a limiting fixing sleeve 3 fixed with the handle rod 2, and the lower part of the rotating outer sleeve 8 is in rotating fit with the folding seat 10.

In order to ensure that the limiting rod 6 always has an outward extending thrust, a return spring 4 sleeved on the handle rod 2 is arranged between the limiting fixed sleeve 3 and the lifting pin 5. In order to ensure that the rotary lifting sleeve 9 rotates flexibly and conveniently, a gasket 7 is arranged between the lifting pin 5 and the rotary lifting sleeve 9.

The operation is further described below with reference to the first embodiment of fig. 2: firstly, when the rotating outer sleeve 8 is rotated, the rotating outer sleeve 8 is matched with the lifting teeth 15 through the lifting tooth grooves 14 to drive the rotating lifting sleeve 9 to rotate synchronously, the rotating lifting sleeve 9 moves upwards in a rotating matching mode through the wavy guide rails 16 and the wavy guide rail grooves 17 and pushes the lifting pin 5, the reset spring 4 stores energy, the lifting pin 5 drives the limiting rod 6 to move upwards and axially and gradually separate from the unfolding locking notch 19, the handle rod 2 can be operated to rotate in a folding mode after being completely separated, when the locking portion of the limiting rod 6 leaves the unfolding locking notch 19, the rotating outer sleeve 8 is loosened and the handle rod 2 continues to rotate, the locking portion of the limiting rod 6 moves along the arc track, when the locking portion of the limiting rod 6 corresponds to the folding locking notch 18, the rotating outer sleeve 8, the rotating lifting sleeve 9 and the limiting rod 6 are driven to reset under the elastic force of the reset spring 4, and the locking portion of the limiting rod 6 is automatically inserted into the folding locking notch 18, so that folding locking is achieved, and as shown in fig. 3. The working principle of the change from the folding locking to the unfolding locking is the same and will not be repeated here.

Fig. 4 to fig. 6 show, for the second embodiment of the handle bar folding mechanism of the children scooter, the difference from the first embodiment is that the position where the return spring 4 is set is different, specifically, the hinge shaft 11 is provided with the spring seat 20, and the return spring 4 is arranged between the spring seat 20 and the limiting rod 6. In order to ensure the convenience of assembly, a spring positioning pin 21 is fixed on the limiting rod 6 above the spring seat 20. Before assembly, the spring seat 20 and the return spring 4 are placed in the limiting rod 6, and then the spring positioning pin 21 is used for positioning, so that the hinge shaft 11 can easily penetrate through the spring seat 20 during assembly.

The above, it is only the specific embodiment of the present invention, it is not right the present invention makes any restriction in form, without departing from the technical solution of the present invention, the simple modification, equivalent change or modification made all fall into the protection scope of the present invention.

Claims (6)

1. The utility model provides a children's slide handlebar pole folding mechanism, includes handlebar pole (2), gag lever post (6), folding seat (10), base (12), rotary clutch mechanism, and folding seat (10) articulate on base (12) through hinge (11), and handlebar pole (2) are connected on folding seat (10) through hinge (11), characterized by: the handle is characterized in that the limiting rod (6) is matched with the handle rod kidney hole (1) through the lifting pin (5) and the hinge shaft (11) is matched with the limiting rod kidney hole (13) and can be elastically reset on the handle rod (2), the base (12) is correspondingly provided with an unfolding locking notch (19) and a folding locking notch (18) which are matched with the locking part of the limiting rod (6), the rotary clutch mechanism comprises a rotary outer sleeve (8) and a rotary lifting sleeve (9), the rotary lifting sleeve (9) is correspondingly provided with lifting teeth (15) and a wavy guide rail (16), the rotary outer sleeve (8) is provided with a lifting tooth socket (14), the folding seat (10) is provided with a wavy guide rail groove (17), the rotary lifting sleeve (9) is sleeved on the handle rod (2) and is positioned below the lifting pin (5), the lower part of the rotary lifting sleeve (9) is inserted on the folding seat (10) and enables the wavy guide rail (16) to be in rotary fit with the wavy guide rail groove (17), and the rotary outer sleeve (8) is sleeved on the rotary lifting sleeve (9) and enables the lifting teeth (14) to be axially matched with the lifting teeth (14); when the rotary outer sleeve (8) is rotated, the rotary lifting sleeve (9) is matched with the wavy guide rail groove (17) in a rotating mode through the wavy guide rail (16) to move axially upwards and push the lifting pin (5), and the lifting pin (5) drives the limiting rod (6) to move axially upwards and separate from the unfolding locking notch (19) or the folding locking notch (18).

2. The child skateboard handle bar folding mechanism of claim 1, wherein: the upper part of the rotary outer sleeve (8) is limited by a limiting fixing sleeve (3) fixed with the handle rod (2), and the lower part of the rotary outer sleeve is matched with the folding seat (10) in a rotating way.

3. The child skateboard handle bar folding mechanism of claim 2, wherein: and a return spring (4) sleeved on the handle rod (2) is arranged between the limiting fixing sleeve (3) and the lifting pin (5).

4. The child skateboard handle bar folding mechanism of claim 2, wherein: a spring seat (20) is arranged on the hinge shaft (11), and a return spring (4) is arranged between the spring seat (20) and the limiting rod (6).

5. The child skateboard handle bar folding mechanism of claim 4, wherein: and a spring positioning pin (21) is fixed on the limiting rod (6) above the spring seat (20).

6. The child skateboard handle bar folding mechanism of any one of claims 1 to 5, wherein: a gasket (7) is arranged between the lifting pin (5) and the rotary lifting sleeve (9).

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