CN218745843U

CN218745843U - Welding device for inner liner of small-bore steering tube

Info

Publication number: CN218745843U
Application number: CN202223067325.0U
Authority: CN
Inventors: 何志明; 郭伟峰
Original assignee: Kunshan Hengruicheng Industry Technology Co ltd
Current assignee: Kunshan Hengruicheng Industry Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-28
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to a bicycle accessory processing technology field just discloses a bushing welding set in small-bore steering tube, including steering tube body and locator body, the inner chamber swing joint of steering tube body has the sleeve pipe body, the inner chamber swing joint of locator body has the bulb fixture block, the surface of bulb fixture block and the surface of sleeve pipe body are swing joint, the inner chamber swing joint of locator body has taper round pin body. This bush welding set penetrates inside from the osculum end of steering tube body through taper pin body and locator body, has solved prior art's bicycle steering tube downthehole shape and has been big for one end usually, and the little horn mouth form of one end adds an interior bush in heavy-calibre one end and plays the reinforcement effect with the welding mode, and the steering tube need stand the main aspects and place the workstation up during welding, and the bush is difficult to fixed position at the interior axial of steering tube, influences the problem of welding equipment effect.

Description

Welding device for inner liner of small-bore steering tube

Technical Field

The utility model relates to a bicycle accessory processing technology field specifically is a bushing welding set in small-bore steering tube.

Background

Bicycle accessories are a general term for all parts and accessories of a bicycle body. The large structural frame of the vehicle body can be divided into: the basic parts of the parts comprise 25 parts such as a frame, a tire, a pedal part, a front fork assembly, a chain, a flywheel and the like, and the parts comprise a frame, a tire, a pedal, a brake, a chain and the like of a bicycle. Wherein the frame is the skeleton of the bicycle, and the weight of people and goods that it bore is the biggest. The accessories can be roughly classified into a steering system, a drive system, and a brake system according to their operating characteristics.

Through the retrieval, the prior art provides "a small-bore steel pipe inner wall welding set", its notice number is: CN203863242U, which comprises a frame for fixing a steel pipe, wherein a rolling trolley capable of controlling the steel pipe to walk and back is arranged at the end part of the frame, a welding gun and a welding wire conveying mechanism capable of controlling the welding operation of the rolling trolley through a control mechanism are respectively arranged at the end part of the rolling trolley, the rolling trolley is provided with a drag chain mechanism, and a cable of the control mechanism and a welding wire used by the welding wire conveying mechanism are supported by the drag chain mechanism and are connected with the control mechanism. The welding device for the inner wall of the small-caliber steel pipe can complete the welding of the inner wall of the small-caliber steel pipe, can greatly improve the overall mechanical strength of the small-caliber steel pipe, and expands the application range of the small-caliber steel pipe.

Although the prior art meets the use requirements of users to a certain extent, certain defects still exist in the use process, and the specific problems are as follows: the inner hole of the steering tube of the bicycle in the prior art is generally in a horn mouth shape with one large end and one small end, an inner bushing is added at one end with a large diameter in a welding mode to play a reinforcing role, the steering tube needs to stand up and place a workbench with the large end upwards during welding, and the bushing is difficult to fix the position in the steering tube in the axial direction, so that the welding and assembling effects are affected.

In order to solve the problems, the inner bushing welding device for the small-caliber steering pipe is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme: the welding device for the inner bushing of the small-caliber steering tube comprises a steering tube body and a positioner body, wherein the inner cavity of the steering tube body is movably connected with a sleeve body, the inner cavity of the positioner body is movably connected with a ball head clamping block, the surface of the ball head clamping block is movably connected with the surface of the sleeve body, and the inner cavity of the positioner body is movably connected with a taper pin body.

Preferably, the inner cavity of the locator body is provided with a groove, and the surface of the taper pin body is movably connected in the groove.

Preferably, through grooves are formed in two sides of the positioner body, and the surface of the ball head clamping block is movably connected into the through grooves of the positioner body.

Preferably, the inner side of the ball head clamping block is movably connected with a limiting spring, and the limiting spring is sleeved on the inner side of the ball head clamping block in a circular ring shape.

Through the setting that leads to the groove, can carry on spacingly to the surface of bulb fixture block, improve the stability and the portability of locator body installation bulb fixture block.

Preferably, the inner cavity of the ball head clamping block is provided with a U-shaped groove, and the surface of the limiting spring is movably connected in the U-shaped groove of the ball head clamping block.

Preferably, the steering tube body is in a bell mouth shape with a large end and a small end, and the surface of the sleeve body is movably connected in the inner cavity of the large port.

Through the setting of spacing spring, can carry out the scope to the bulb fixture block spacing, avoid taking place the card and pause and lead to the unable installation of fixing a position of sleeve pipe body.

Compared with the prior art, the utility model provides a small-bore steering tube neck bush welding set possesses following beneficial effect:

1. this bush welding set, penetrate inside from the osculum end of steering tube body through tapering round pin body and locator body, tapering round pin body is pressed down and is slided, inclined plane compression bulb fixture block through tapering round pin body, thereby realize that the bulb fixture block outwards stretches out, stretch out the lower terminal surface of the sleeve pipe body that the inner wall of back support steering tube body was put into, accomplish the location, it is big that the bicycle steering tube downthehole shape of having solved prior art is one end usually, the little horn mouth form of one end, increase an interior bush with the welding mode in heavy-calibre one end and play the reinforcement effect, the steering tube need stand the main aspects and place the workstation up during welding, the bush is difficult to the fixed position at the steering tube axial, influence the problem of welding equipment effect.

2. This bush welding set, setting through the recess, can carry on spacingly to the surface of tapering round pin body, thereby accomplish joint work and avoid taking place the phenomenon that breaks away from the location, setting through leading to the groove, can carry on spacingly to the surface of bulb fixture block, improve the stability and the convenience of locator body installation bulb fixture block, setting through spacing spring, it is spacing to carry out the scope to the bulb fixture block, avoid taking place the card and pause and lead to the sleeve pipe body can't carry out the location installation, setting through U type groove, can carry on spacingly to the surface of spacing spring, conveniently take place the phenomenon that spacing spring breaks away from.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is an assembly view of the structural sleeve body of the present invention;

FIG. 2 is a sectional view of the structural locator body of the present invention;

FIG. 3 is a side view of the structural locator body of the present invention;

fig. 4 is an assembly view of the taper pin of the present invention.

Wherein: 1. a taper pin; 2. a locator body; 3. a limiting spring; 4. a ball head clamping block; 5. a steering tube body; 6. a cannula body.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a welding device for a small-bore steering tube inner bushing comprises a steering tube body 5 and a positioner body 2, wherein an inner cavity of the steering tube body 5 is movably connected with a sleeve body 6, an inner cavity of the positioner body 2 is movably connected with a ball head fixture block 4, the surface of the ball head fixture block 4 is movably connected with the surface of the sleeve body 6, and the inner cavity of the positioner body 2 is movably connected with a taper pin body 1.

Specifically, the inner cavity of the locator body 2 is provided with a groove, and the surface of the taper pin body 1 is movably connected in the groove.

Through the technical scheme, the surface of the taper pin body 1 can be limited by the arrangement of the groove, so that the phenomenon of separation from positioning is avoided during clamping work.

Specifically, through grooves are formed in two sides of the positioner body 2, and the surfaces of the ball head clamping blocks 4 are movably connected in the through grooves of the positioner body 2.

Through above-mentioned technical scheme, through the setting that leads to the groove, can carry on spacingly to the surface of bulb fixture block 4, improve 2 stability and the convenience of installing bulb fixture block 4 of locator body.

Specifically, the inner side of the ball head clamping block 4 is movably connected with a limiting spring 3, and the limiting spring 3 is annularly sleeved on the inner side of the ball head clamping block 4.

Through above-mentioned technical scheme, through spacing spring 3's setting, can carry out the scope to bulb fixture block 4 spacing, avoid taking place the card dun and lead to sleeve pipe body 6 can't fix a position the installation.

Specifically, the inner cavity of the ball head clamping block 4 is provided with a U-shaped groove, and the surface of the limiting spring 3 is movably connected in the U-shaped groove of the ball head clamping block 4.

Through the technical scheme, the surface of the limiting spring 3 can be limited through the arrangement of the U-shaped groove, and the phenomenon that the limiting spring 3 is separated can be conveniently caused.

Specifically, the steering tube body 5 is in the form of a bell mouth with a large end and a small end, and the surface of the sleeve body 6 is movably connected in the inner cavity of the large end.

When the device is used, the taper pin body 1 and the locator body 2 penetrate into the steering tube body 5 from the small end, the taper pin body 1 is pressed downwards to slide, the ball head fixture block 4 is compressed through the inclined surface of the taper pin body 1, so that the ball head fixture block 4 extends outwards, the lower end surface of the sleeve body 6, which is placed in the steering tube body 5 and supports the inner wall of the steering tube body 5 after extending out, positioning is completed, the taper pin body 1 slides upwards after welding is completed, the taper pin body 1 and the locator body 2 can be pulled out to complete positioning after the ball head fixture block 4 is contracted and reset, and the problems that the inner hole shape of the steering tube of a bicycle in the prior art is generally a horn mouth shape with one large end and one small end are solved, an inner bushing is added at one end with a large caliber in a welding mode to play a reinforcing role, a workbench needs to be placed with the large end upwards during welding, the bushing is difficult to fix the position axially in the steering tube, and the welding assembly effect is affected (the above is the working process of the whole device, and the content which is not described in detail in the specification belongs to the prior art known by professional technical personnel in the field.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a small-bore turns to intraductal bush welding set, includes to turn to pipe body (5) and locator body (2), its characterized in that: the inner cavity swing joint of the steering tube body (5) is provided with a sleeve body (6), the inner cavity swing joint of the positioner body (2) is provided with a ball head clamping block (4), the surface of the ball head clamping block (4) is movably connected with the surface of the sleeve body (6), and the inner cavity swing joint of the positioner body (2) is provided with a taper pin body (1).

2. The small-caliber steering tube inner bushing welding device according to claim 1, wherein: the inner cavity of the locator body (2) is provided with a groove, and the surface of the taper pin body (1) is movably connected in the groove.

3. The small-caliber steering pipe inner bushing welding device according to claim 1, wherein: through grooves are formed in two sides of the locator body (2), and the surface of the ball head clamping block (4) is movably connected into the through grooves of the locator body (2).

4. The small-caliber steering tube inner bushing welding device according to claim 1, wherein: the inner side of the ball head clamping block (4) is movably connected with a limiting spring (3), and the limiting spring (3) is sleeved on the inner side of the ball head clamping block (4) in a circular ring shape.

5. The small-caliber steering tube inner bushing welding device according to claim 4, wherein: the inner cavity of the ball head clamping block (4) is provided with a U-shaped groove, and the surface of the limiting spring (3) is movably connected in the U-shaped groove of the ball head clamping block (4).

6. The small-caliber steering tube inner bushing welding device according to claim 1, wherein: the steering tube body (5) is in a bell mouth shape with a large end and a small end, and the surface of the sleeve tube body (6) is movably connected into an inner cavity of the large port.