CN218197752U - Thin axle construction easy to assemble - Google Patents

Abstract

The utility model relates to a thin axle construction easy to assemble belongs to bicycle accessory technical field, including the thin axostylus axostyle, the inside activity of thin axostylus axostyle is pegged graft and is had the movable rod, the movable rod is kept away from the fixed interior hexagonal bolt head that is provided with of one end of thin axostylus axostyle, the fixed toper piece that is provided with of the movable rod other end. The beneficial effects of the utility model are that, the rotatory fixed lid of accessible, make fixed lid and the thread groove of thin axostylus axostyle surface carry out threaded connection, guarantee along with fixed lid is twisted more deeply, its firm in connection nature is higher, after the installation tightness is suitable, can stop exerting pressure to the internal hexagonal bolt head, the elasticity of the first spring of toper piece accessible resets this moment, thereby extrude spacing fore-set outwards to remove, and outwards outstanding from the notch, thereby the card is gone into in the spacing groove of fixed lid inner wall, so that carry out the position to fixed lid and prescribe a limit to, guarantee to hold the installation stability of thin axostylus axostyle by oneself, its mounting means is simpler, convenient dismounting, and threaded connection's fixed lid life is longer.

Description

Thin axle construction easy to assemble

Technical Field

The utility model relates to a bicycle accessory technical field specifically is a thin axle construction easy to assemble.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After the people ride the car, step on the footboard with the foot and be green's vehicle, and the axostylus axostyle of bicycle is the important adapting unit who connects wheel and fork, and along with the development of science and technology level, bicycle volume and weight constantly reduce, also more and more thin thereupon of its axostylus axostyle.

The thin axostylus axostyle of bicycle on the market at present divide into two kinds of figure 1 and figure 2 usually, figure 1 is simple sets up the thread groove at axostylus axostyle both ends, adopts the nut to fix, its assembling process is comparatively hard, and figure 2 is bucket axle quick detach pole, after screwing up the axostylus axostyle, can inwards press the axostylus axostyle handle to fix the axostylus axostyle, its installation is swift, nevertheless the damage takes place for the axostylus axostyle handle easily, life is lower, to the aforesaid condition, we have released an easy to assemble's thin axle construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thin axle construction easy to assemble to it is loaded down with trivial details, the problem that life is low to propose the assembly in solving above-mentioned background art.

The technical scheme of the utility model is that:

including the slender axles pole, the inside activity of slender axles pole is pegged graft there is the movable rod, the fixed interior hexagonal bolt head that is provided with of one end that the slender axles pole was kept away from to the movable rod, the fixed toper piece that is provided with of movable rod other end, the one end surface that the interior hexagonal bolt head was kept away from to the slender axles pole encircles the fixed a plurality of fixed sleeve pipe that is provided with, the inside swing joint of fixed sleeve pipe has spacing fore-set, the outside cover of spacing fore-set is equipped with the second spring, the notch has been seted up to fixed sleeve pipe surface, is that the one end surface that the thin axles pole kept away from interior hexagonal bolt head has seted up the thread groove, thread groove department threaded connection has fixed lid, fixed lid inner wall equidistance seted up with spacing fore-set assorted spacing groove.

Furthermore, the size of the outer opening of the movable rod is matched with the size of the inner opening of the thin shaft rod.

Furthermore, the conical block, the movable rod and the hexagon socket head cap head are of an injection molding integrated structure.

Furthermore, the size of the inner opening of the notch is matched with the size of the outer opening of the limiting top column.

Furthermore, a first spring is fixedly connected between the conical block and the inner wall of the thin shaft rod.

Furthermore, a sealing rubber ring is arranged on the outer surface of one end, close to the head of the hexagon socket head, of the fixing cover.

The utility model discloses an improve and provide a thin axle construction easy to assemble here, compare with prior art, have following improvement and advantage:

one is as follows: the utility model discloses, the rotatory fixed lid of accessible, make fixed lid carry out threaded connection with the thread groove of thin axostylus axostyle surface, guarantee along with fixed lid is twisted more deeply, its firm in connection nature is higher, after the installation tightness is suitable, can stop exerting pressure to the internal hexagonal bolt head, the elasticity of the first spring of toper piece accessible resets this moment, thereby extrude spacing fore-set and outwards remove, and outwards stand out from notch department, thereby the card is gone into in the spacing groove of fixed lid inner wall, so that carry out the position to fixed lid and prescribe a limit to, guarantee to bear the installation stability of thin axostylus axostyle by oneself, its mounting means is simpler, and convenient for disassembly, and threaded connection's fixed lid life is longer.

And the second step is as follows: the utility model discloses, the first spring of fixed connection can make the mobile pole automatic re-setting of toper piece between toper piece and the thin shaft lever inner wall, improves its installation convenience, and the sealing rubber circle that the one end surface of hexagonal bolt head set up can effectively improve the leakproofness between fixed lid and the axletree, and avoids leading to the fact the scratch to it.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a schematic view of a first prior art shaft configuration;

FIG. 2 is a schematic view of a second prior art shaft configuration;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of the appearance structure of the slim shaft rod of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

Description of the reference numerals: 1. a thin shaft lever; 2. a movable rod; 3. the head of the hexagon socket head; 4. a first spring; 5. fixing the sleeve; 6. limiting a top column; 7. a second spring; 8. a notch; 9. a thread groove; 10. a fixed cover; 11. a limiting groove; 12. and (5) a conical block.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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 efforts all belong to the protection scope of the present invention.

The utility model provides a thin axle structure convenient for installation through improvement, as shown in figures 3-5, comprising a thin axle rod 1, a movable rod 2 is movably inserted in the thin axle rod 1, one end of the movable rod 2 far away from the thin axle rod 1 is fixedly provided with an inner hexagonal bolt head 3, the other end of the movable rod 2 is fixedly provided with a conical block 12, the outer surface of one end of the thin axle rod 1 far away from the inner hexagonal bolt head 3 is fixedly provided with a plurality of fixed sleeves 5 in a surrounding manner, the inner part of the fixed sleeves 5 is movably connected with a limit top post 6, the outer part of the limit top post 6 is sleeved with a second spring 7, the outer surface of the fixed sleeve 5 is provided with a notch 8, the outer surface of one end of the thin axle rod 1 far away from the inner hexagonal bolt head 3 is provided with a thread groove 9, the thread at the position of the thread groove 9 is connected with a fixed cover 10 by a thread, the inner wall of the fixed cover 10 is provided with a limit groove 11 matched with the limit top post 6, in the process of installing the thin axle rod 1 of the bicycle, the slender rod 1 can penetrate through the wheel axle and the wheel is put on the fork, so that the slender rod 1 and the fork groove are clamped with each other, in the process of fixing the slender rod 1, a hexagonal wrench can be inserted into the hexagonal socket head 3, and pressure is applied to the slender rod 1, so that the hexagonal socket head 3 pushes the movable rod 2 and the conical block 12 in the slender rod 1 to move horizontally, the conical block 12 is separated from the limit top post 6, the limit top post 6 can be retracted inwards through the elasticity of the second spring 7, the limit top post 6 is prevented from protruding out of the outer surface of the slender rod 1, the fixing cover 10 can be rotated to be in threaded connection with the threaded groove 9 on the outer surface of the slender rod 1, the connection firmness is higher along with the deeper screwing of the fixing cover 10, and after the installation tightness is proper, the pressure application to the hexagonal socket head 3 can be stopped, the elasticity of the first spring 4 of conical block 12 accessible resets this moment, thereby extrude spacing fore-set 6 and outwards remove, and outwards stand out from notch 8, thereby the card goes into the spacing groove 11 of fixed lid 10 inner wall, so that carry out the position to fixed lid 10 and prescribe a limit to, guarantee the installation stability of bearing thin axostylus axostyle 1 certainly, its mounting means is simpler, it is convenient to dismantle, and threaded connection's fixed lid 10 life is longer, encircle a plurality of spacing groove 11 that distributes and effectively carry out spacing fixed to the fixed lid 10 of different tautness.

The size of the outer opening of the movable rod 2 is identical to that of the inner opening of the thin shaft rod 1, the conical block 12, the movable rod 2 and the hexagon socket head cap head 3 are of an injection molding integrated structure, the tightness of the conical block and the movable rod can be improved, the structural strength of the thin shaft rod 1 is guaranteed, the bearing performance of the injection molding movable rod 2 can be further improved, and breakage is avoided.

The inner opening size of the notch 8 is identical with the outer opening size of the limit top post 6, so that the external impurities can be effectively prevented from permeating from gaps between the notch 8 and the limit top post, and the notch 8 cannot be prevented from normally moving and stretching.

The first spring 4 is fixedly connected between the conical block 12 and the inner wall of the thin shaft rod 1, and the first spring 4 can enable the movable rod 2 of the conical block 12 to automatically reset, so that the installation convenience is improved.

The outer surface of one end of the fixing cover 10, which is close to the hexagon socket head cap 3, is provided with the sealing rubber ring, so that the sealing property between the fixing cover 10 and the wheel shaft can be effectively improved, and the fixing cover is prevented from being scratched.

The working principle is as follows: firstly, the thin shaft rod 1 can penetrate through a wheel axle and wheels are put on a fork, so that the thin shaft rod 1 and a fork groove are clamped with each other, in the process of fixing the thin shaft rod 1, a hexagon wrench can be inserted into an inner hexagon bolt head 3, and pressure is applied to the thin shaft rod 1, so that the inner hexagon bolt head 3 pushes a movable rod 2 and a conical block 12 in the thin shaft rod 1 to move horizontally, so that the conical block 12 is separated from a limiting top column 6, then the limiting top column 6 can retract inwards and backwards through the elasticity of a second spring 7, the limiting top column 6 is prevented from protruding out of the outer surface of the thin shaft rod 1, and then the fixing cover 10 can be rotated to enable the fixing cover 10 to be in threaded connection with a threaded groove 9 on the outer surface of the thin shaft rod 1, guarantee along with fixed lid 10 is twisted more deeply, its firm in connection nature is higher, after the installation tightness is suitable, can stop exerting pressure to hexagon socket head screw 3, the elasticity of the first spring 4 of toper piece 12 accessible resets this moment, thereby extrude spacing fore-set 6 outwards removal, and outwards outstanding from notch 8, thereby in the spacing groove 11 of fixed lid 10 inner wall is gone into to the card, so that carry out the position to fixed lid 10 and prescribe a limit to, guarantee from the installation stability who bears slim rod axle pole 1, its mounting means is simpler, convenient dismounting, and threaded connection's fixed lid 10 life is longer, it is effectively spacing fixed to the fixed lid 10 of different tightness to encircle a plurality of spacing groove 11 that distributes.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The utility model provides a thin axle construction easy to assemble which characterized in that: the thin shaft rod fixing device is characterized by comprising a thin shaft rod (1), a movable rod (2) is movably inserted in the thin shaft rod (1), an inner hexagonal bolt head (3) is fixedly arranged at one end, away from the thin shaft rod (1), of the movable rod (2), a conical block (12) is fixedly arranged at the other end of the movable rod (2), a plurality of fixing sleeves (5) are fixedly arranged on the outer surface of one end, away from the inner hexagonal bolt head (3), of the thin shaft rod (1) in a surrounding mode, a limiting top column (6) is movably connected in the fixing sleeves (5), a second spring (7) is sleeved outside the limiting top column (6), a notch (8) is formed in the outer surface of the fixing sleeve (5), a thread groove (9) is formed in the outer surface of one end, away from the inner hexagonal bolt head (3), of the thin shaft rod (1), a fixing cover (10) is in threaded connection at the position of the thread groove (9), and a limiting groove (11) matched with the limiting top column (6) is formed in the inner wall of the fixing cover (10) at equal intervals.

2. A thin shaft structure easy to install according to claim 1, wherein: the size of the outer opening of the movable rod (2) is matched with the size of the inner opening of the thin shaft rod (1).

3. An easy-to-install slim shaft structure according to claim 1, wherein: and the conical block (12), the movable rod (2) and the inner hexagonal bolt head (3) are of an injection molding integrated structure.

4. A thin shaft structure easy to install according to claim 1, wherein: the size of the inner opening of the notch (8) is matched with the size of the outer opening of the limit top column (6).

5. An easy-to-install slim shaft structure according to claim 1, wherein: and a first spring (4) is fixedly connected between the conical block (12) and the inner wall of the thin shaft rod (1).

6. A thin shaft structure easy to install according to claim 1, wherein: and a sealing rubber ring is arranged on the outer surface of one end of the fixing cover (10) close to the hexagon socket head bolt head (3).

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