CN215043276U

CN215043276U - Auxiliary wheel structure convenient to location

Info

Publication number: CN215043276U
Application number: CN202121318404.7U
Authority: CN
Inventors: 余军鑫; 张燕青
Original assignee: Zhejiang Kaiao Technology Co ltd
Current assignee: Zhejiang Kaiao Technology Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-12-07
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses an auxiliary wheel structure convenient to location, including frame and connecting rod, the outer wall welding of frame has the positioning seat, set up and accomodate the groove in the positioning seat, the connecting rod is the setting of L type structure, the horizontal end of connecting rod installs the auxiliary wheel through the round pin axle, set up the transmission chamber in the vertical part of connecting rod, the below in transmission chamber is equipped with the operation mouth, the inner chamber bottom in transmission chamber rotates and is connected with the worm, the one end that the worm stretches into the operation mouth is connected with bevel gear, rotate in the operation mouth and be connected with the drive shaft, the outer wall connection of drive shaft has the bevel gear ring, the bevel gear ring meshing connects bevel gear, the right-hand member of drive shaft is connected with the knob; the utility model has the advantages of reasonable design, the connecting rod can be stably installed in the positioning seat, and the auxiliary wheel can carry out the auxiliary stay effect when riding, and the handling process need not with the help of external instrument, and convenient and fast can prevent dust to the operation mouth and cover, uses safe and reliable more.

Description

Auxiliary wheel structure convenient to location

Technical Field

The utility model relates to a relevant equipment technical field of auxiliary wheel especially relates to an auxiliary wheel structure convenient to location.

Background

The bicycle can be used as a body-building apparatus and can also be used as a vehicle. Riding a bicycle becomes a basic skill for current children to learn. The children can fall down inevitably at the beginning of riding the bicycle. In order to avoid the falling and injury of children when the children learn to ride the bicycle, the current children use the bicycle and additionally install auxiliary wheel structures on the two sides of the bicycle rear wheel frame.

Among the prior art, the auxiliary wheel structure includes connecting rod and auxiliary wheel mostly, and the auxiliary wheel is installed in the one end of connecting rod, and the opposite side of connecting rod passes through the bolt fastening on the frame, and its installation location is comparatively loaded down with trivial details, and uses the back bolt for a long time and corrodes easily and rust, has increased the follow-up loading and unloading degree of difficulty. Therefore, an auxiliary wheel structure convenient for positioning is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auxiliary wheel structure convenient to location to overcome the technical problem who exists among the prior art.

In order to realize the technical purpose, the technical effect is achieved, the utility model provides a following technical scheme:

an auxiliary wheel structure convenient to position comprises a frame and a connecting rod, wherein a positioning seat is welded on the outer wall of the frame, a containing groove is formed in the positioning seat, the connecting rod is arranged in an L-shaped structure, an auxiliary wheel is mounted at the transverse end of the connecting rod through a pin shaft, a transmission cavity is formed in the vertical part of the connecting rod, an operation opening is formed below the transmission cavity, the bottom of the inner cavity of the transmission cavity is rotatably connected with a worm, one end, extending into the operation opening, of the worm is connected with a bevel gear, a driving shaft is rotatably connected in the operation opening, the outer wall of the driving shaft is connected with a bevel gear ring, the bevel gear ring is meshed with the bevel gear, and the right end of the driving shaft is connected with a knob;

the transmission intracavity rotates and is connected with a plurality of groups of cross axle, cross axle outer wall connection has the worm wheel, worm wheel meshing connects the worm, a plurality of groups of guide way have been seted up to the wall symmetry of both sides around the connecting rod, the end connection that the cross axle stretched into the guide way has the screw rod, the outer wall spiro union of screw rod has the fixture block.

Preferably, in the auxiliary wheel structure convenient to location, a plurality of groups of draw-in grooves have been seted up to the symmetry around the inner wall of accomodating the groove, fixture block butt draw-in groove inner wall, the inner wall right-hand member of accomodating the groove has been seted up and has been erected the groove, the perpendicular portion right side wall of connecting rod is connected with the gib block, the outer wall of gib block is equipped with the scale mark.

Preferably, in the auxiliary wheel structure convenient to location, the right angle department of connecting rod is equipped with two reinforcing plates, the opening of operation mouth is located between two reinforcing plates, the right-hand member of reinforcing plate inlays and is equipped with the permanent magnetism strip, the outer wall of connecting rod articulates through the hinge has the metal covering, permanent magnetism strip magnetic adsorption metal covering inner wall.

Preferably, in an auxiliary wheel structure convenient for positioning, three transverse shafts are provided, and the distance between two adjacent transverse shafts is equal.

Preferably, in an auxiliary wheel structure convenient for positioning, the length of the clamping block is greater than the depth of the clamping groove.

The utility model has the advantages that:

the utility model has the advantages of reasonable design, the auxiliary wheel is installed on the connecting rod through the round pin axle, utilizes the guide strip cooperation to erect the groove, can adjust the depth of insertion of connecting rod, through bevel gear ring meshing transmission bevel gear for after the worm meshes the transmission worm wheel, the cross axle drives the screw rod rotation, the fixture block is fixed a position along embedding the draw-in groove after the guide groove stretches out, the connecting rod can be stably installed in the positioning seat, the auxiliary wheel can carry out the auxiliary stay effect when riding, the handling process need not with the help of external instrument, convenient and fast; the metal covering is rotated after the installation finishes for the laminating permanent magnetic stripe of metal covering inner wall can prevent dust to the operation mouth and cover, and the reinforcing plate can improve the structural strength of connecting rod, uses safe and reliable more.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the connecting rod of the present invention;

fig. 3 is a schematic structural view of the middle operation opening of the present invention.

In the figure: 1. a frame; 2. a connecting rod; 3. positioning seats; 4. a receiving groove; 5. an auxiliary wheel; 6. a transmission cavity; 7. an operation port; 8. a worm; 9. a bevel gear; 10. a drive shaft; 11. a bevel gear ring; 12. a knob; 13. a horizontal axis; 14. a worm gear; 15. a guide groove; 16. a screw; 17. a clamping block; 18. a guide strip; 201. a reinforcing plate; 202. a permanent magnet strip; 203. a metal cover; 401. a card slot; 402. a vertical slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment is an auxiliary wheel structure convenient for positioning, including a frame 1 and a connecting rod 2, wherein a positioning seat 3 is welded on an outer wall of the frame 1, a receiving groove 4 is formed in the positioning seat 3, the connecting rod 2 is arranged in an L-shaped structure, an auxiliary wheel 5 is mounted at a transverse end of the connecting rod 2 through a pin shaft, a transmission cavity 6 is formed in a vertical portion of the connecting rod 2, an operation opening 7 is formed below the transmission cavity 6, a worm 8 is rotatably connected to the bottom of an inner cavity of the transmission cavity 6, one end of the worm 8 extending into the operation opening 7 is connected to a bevel gear 9, a driving shaft 10 is rotatably connected to the operation opening 7, an outer wall of the driving shaft 10 is connected to a bevel gear ring 11, the bevel gear ring 11 is engaged with the bevel gear 9, and a knob 12 is connected to a right end of the driving shaft 10; the transmission cavity 6 is connected with a plurality of groups of transverse shafts 13 in a rotating mode, the outer wall of each transverse shaft 13 is connected with a worm wheel 14, the worm wheels 14 are meshed with the worm 8, a plurality of groups of guide grooves 15 are symmetrically formed in the front side wall and the rear side wall of the connecting rod 2, the end portion, extending into the guide grooves 15, of each transverse shaft 13 is connected with a screw 16, and the outer wall of each screw 16 is connected with a clamping block 17 in a threaded mode.

A plurality of groups of clamping grooves 401 are symmetrically arranged around the inner wall of the accommodating groove 4, the clamping blocks 17 abut against the inner wall of the clamping grooves 401, the right end of the inner wall of the accommodating groove 4 is provided with a vertical groove 402, the right side wall of the vertical part of the connecting rod 2 is connected with a guide strip 18, the outer wall of the guide strip 18 is provided with scale marks, the depth of the connecting rod 2 stretching into the vertical groove 402 can be observed conveniently, and therefore the height of the auxiliary wheel 5 can be adjusted.

The right angle department of connecting rod 2 is equipped with two reinforcing plates 201, and the opening of operation mouth 7 is located between two reinforcing plates 201, and the right-hand member of reinforcing plate 201 inlays and is equipped with permanent magnetism strip 202, and the outer wall of connecting rod 2 articulates through the hinge has metal cover 203, and permanent magnetism strip 202 magnetic adsorption metal cover 203 inner wall, metal cover 203 can play to cover dustproof effect, convenient to detach operation to operation mouth 7.

Three transverse shafts 13 are arranged, the distance between every two adjacent transverse shafts 13 is equal, and the three transverse shafts 13 can synchronously rotate through the worm 8 meshed with the transmission worm wheel 14.

The length of the fixture block 17 is greater than the depth of the clamping groove 401, so that the fixture block 17 can be prevented from falling off when extending into the clamping groove 401.

The utility model discloses a concrete implementation way does:

in the device, a positioning seat 3 is welded on a frame 1, an auxiliary wheel 5 is arranged on a connecting rod 2 through a pin shaft, when in use, the vertical end of the connecting rod 2 extends into a containing groove 4, a guide strip 18 is matched with a vertical groove 402 to adjust the insertion depth of the connecting rod 2, thereby adjusting the height of the auxiliary wheel 5 from the ground, after the connecting rod 2 extends into the containing groove 4, a knob 12 is used for rotating a driving shaft 10, the driving shaft 10 drives a bevel gear 11 to rotate, the bevel gear 11 is meshed with a transmission bevel gear 9, a worm 8 rotates in a transmission cavity 6, the worm 8 is meshed with a transmission worm gear 14, a cross shaft 13 drives a screw 16 to rotate, the screw 16 is in threaded connection with a fixture block 17, the fixture block 17 extends out along the guide groove 15 and then is embedded into a clamping groove 401 for positioning, at the moment, the connecting rod 2 is stably arranged in the positioning seat 3, the auxiliary wheel 5 can perform auxiliary supporting function when riding, and a metal cover 203 is rotated after the installation is finished, make metal cover 203 inner wall laminating permanent magnetism strip 202, can prevent dust to operation mouth 7 and cover, the handling process need not with the help of external instrument, convenient and fast, and reinforcing plate 201 can improve the structural strength of connecting rod 2, uses safe and reliable more.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an auxiliary wheel structure convenient to location, includes frame (1) and connecting rod (2), its characterized in that: the outer wall of the frame (1) is welded with a positioning seat (3), a containing groove (4) is formed in the positioning seat (3), the connecting rod (2) is arranged in an L-shaped structure, an auxiliary wheel (5) is installed at the transverse end of the connecting rod (2) through a pin shaft, a transmission cavity (6) is formed in the vertical portion of the connecting rod (2), an operation opening (7) is formed below the transmission cavity (6), the bottom of the inner cavity of the transmission cavity (6) is rotatably connected with a worm (8), one end, extending into the operation opening (7), of the worm (8) is connected with a bevel gear (9), the operation opening (7) is rotatably connected with a driving shaft (10), the outer wall of the driving shaft (10) is connected with a bevel gear ring (11), the bevel gear ring (11) is meshed with the bevel gear (9), and the right end of the driving shaft (10) is connected with a knob (12);

the internal rotation of transmission chamber (6) is connected with a plurality of groups cross axle (13), cross axle (13) outer wall connection has worm wheel (14), worm wheel (14) meshing connection worm (8), a plurality of groups guide way (15) have been seted up to the front and back both sides wall symmetry of connecting rod (2), the end connection that cross axle (13) stretched into guide way (15) has screw rod (16), the outer wall spiro union of screw rod (16) has fixture block (17).

2. An auxiliary wheel structure for facilitating positioning according to claim 1, wherein: a plurality of groups of clamping grooves (401) are symmetrically arranged around the inner wall of the accommodating groove (4), the inner wall of the clamping block (17) is abutted to the clamping groove (401), the right end of the inner wall of the accommodating groove (4) is provided with an upright groove (402), the right side wall of the upright part of the connecting rod (2) is connected with a guide strip (18), and the outer wall of the guide strip (18) is provided with scale marks.

3. An auxiliary wheel structure for facilitating positioning according to claim 1, wherein: the right angle department of connecting rod (2) is equipped with two reinforcing plates (201), the opening of operation mouth (7) is located between two reinforcing plates (201), the right-hand member of reinforcing plate (201) inlays and is equipped with permanent magnetism strip (202), the outer wall of connecting rod (2) articulates through the hinge has metal covering (203), permanent magnetism strip (202) magnetic adsorption metal covering (203) inner wall.

4. An auxiliary wheel structure for facilitating positioning according to claim 1, wherein: the number of the transverse shafts (13) is three, and the distances between every two adjacent transverse shafts (13) are equal.

5. An auxiliary wheel structure for facilitating positioning according to claim 2, wherein: the length of the clamping block (17) is larger than the depth of the clamping groove (401).