TWM467490U - Skateboard axle fixation structure - Google Patents

Description

Skate axle fixing structure

The present invention relates to a technical field of skateboards, in particular to a skateboard wheel axle that can be screwed to a skateboard support frame without axial movement, and has better stability and speed of use of the skateboard. The axle fixing structure of the skateboard is more safe and accurate, the manufacturing cost is low, the skate wheel axle does not fall off, and the appearance is more beautiful.

Pressing, the skateboard is a load-bearing structure that can provide the user standing station and use the user's feet to advance and achieve the sporty performance, and the skateboard can use the tilting, swinging, and even running of the body to achieve the sliding effect. Therefore, it is possible to use sliding as a means of transportation or leisure tools, and also develop various difficult movements such as high-altitude flipping in the nature of performances or competitions. Therefore, skateboard-related sports have become popular among users of all ages in Europe and America. Foreign skateboarding has gradually spread to the whole world, and the population of domestic skateboarding has also increased significantly.

At present, the skateboard structure, which is common in foreign countries or domestically, is mainly provided with a support frame on the front and rear sides of the skateboard, and the support frame is provided with left and right symmetry by a screw (ie, a skate wheel axle). The skateboard wheel; however, although the above-mentioned skateboard structure can provide the user standing station and use the user's feet to advance and achieve the purpose of exercise, there are still many defects in the support frame and the screw.

First, the lack of the support frame: one of the common skateboard constructions, The support frame is mainly inserted with a screw in the middle, and the two ends of the screw are locked on the slide wheel. However, because the screw is too long to produce a phenomenon of insufficient straightness and yaw, the wear of the skateboard wheel is accelerated, and the sliding speed of the skateboard is lowered.

Then explain the lack of screw:

1. One of the common skateboard structures at present, which firstly heats the support frame to expand it, and then inserts a screw at each end of the support frame, and uses the principle of thermal expansion and contraction to lock the screw after cooling. Solid; however, such a combination of processing technology, will have a high cost.

2. According to the above description, if the screw is assembled on both ends of the support frame, the screw is easy to be detached and dropped, which affects the safety of the skateboard. Sex.

3. One of the common skateboard constructions at present, the support frame and the screw are assembled by inserting the plugs, but this way will affect the aesthetics, and it is easy to fall off and fall out, thereby affecting the skateboard. safety.

Therefore, the assembly structure of the support frame and the screw (ie, the skate wheel axle) of the conventional skateboard is still not ideal, and needs to be improved.

Therefore, based on the concept of continuous improvement and innovation of products, this creator is based on the practical experience of designing and developing this product for many years, as well as actively researching and developing ideas. Through numerous practical design experiments, this creation has taken place.

The purpose of the present invention is to provide a type of skateboard axle and support frame by applying two threaded directions opposite to each other (such as orthodontic and anti-tooth) to form a screw joint, that is, a screw joint loosens. The other screw joint is more tightly tightened (ie, the reaction is tightened) so that the axle can be The axle fixing structure of the sliding plate fixed to the axle hole and not axially moved.

For the purpose of the above, the present invention comprises a support frame, a wheel axle and a fixing sleeve, wherein the support frame is mounted under the sliding plate and has at least one axle hole, wherein the axle hole has a first internal thread portion and a second internal thread portion, wherein the first internal thread and the second thread portion have opposite thread directions; and one end of the axle has an external threaded portion, and an abutting edge is provided on one side of the external thread portion of the axle, the axle The other end is configured to mount a sliding wheel; the fixing sleeve has a through hole, and has a fixing sleeve external thread portion, wherein the external thread portion of the fixing sleeve and the external thread portion of the axle shaft are opposite to each other; wherein the axle shaft The external threaded portion is screwed to the first female threaded portion of the axle hole, and the fixing sleeve is sleeved outside the axle and abuts against the abutting edge, and the external threaded portion of the fixing sleeve is screwed to the second female threaded portion. , the axle is fixed to the axle hole and does not move axially. Accordingly, the utility model has the advantages of better stability, faster speed, safer and higher precision in use, lower manufacturing cost, no slippage of the skate wheel axle, and a more beautiful appearance.

The following is only a detailed description of the specific embodiments, and the detailed description of the drawings, so that your review committee can have a better understanding and understanding of the functions and features of this creation.

10‧‧‧Support frame

11‧‧‧ Wheel axle hole

12‧‧‧First internal thread

13‧‧‧Second internal thread

20‧‧‧Axle

21‧‧‧Axial external thread

22‧‧‧Affinity

23‧‧‧Skateboard

24‧‧‧ bearing

25‧‧‧shims

26‧‧‧ Nuts

30‧‧‧fixed sets

31‧‧‧Perforation

32‧‧‧Fixed sets of external thread

33‧‧‧Front

90‧‧‧ Skateboarding

The first picture is a perspective view of the creation.

Figure 2 is an exploded view of the creation.

Figure 3 is a schematic cross-sectional view of the combination of the present creations.

Figure 4 is a combined sectional view of the present creation.

Referring to FIG. 1 , FIG. 2 , and FIG. 3 , the preferred embodiment of the present invention is packaged. The utility model comprises a support frame 10, an axle 20 and a fixing sleeve 30, wherein the fixing sleeve 30 is sleeved on the axle 20, and two screws with opposite thread directions (such as orthodontic and anti-tooth) are applied between the support frame 10 and the axle 20 The joints are connected to each other, that is, the loosening of one screw joint causes the relative screwing action (ie, the reaction tightening) generated by the screwing of the other screw joint, so that the axle shaft can be screwed and fixed to the axle hole and does not Axial movement; accordingly, it has the effects of better stability, faster speed, safer and more accurate use, lower manufacturing cost, no slippery wheel axle, and more beautiful appearance.

Referring to FIG. 2 and FIG. 3 , the support frame 10 of the present invention has two corresponding axle holes 11 on two sides, and the axle hole 11 has a first internal thread portion 12 and a second internal thread portion. The threaded directions of the first internal thread 12 and the second internal thread portion 13 are opposite to each other, and the support frame 10 is disposed under the sliding plate 90.

In the present embodiment, the first female threaded portion 12 is an orthodontic tooth, and the second female threaded portion 13 is an inverted tooth.

Because the assembly structure of the sliding plate 90 and the support frame 10 is not related to the present invention, it will not be described in detail here. In addition, since the axles 20 provided on the two sides of the support frame 10 can have the same assembly structure, The embodiments described below are described by merely assembling the axle 20 on the side of the support frame 10, which will be described first.

One end of the axle 20 has an outer threaded portion 21, and an abutting edge 22 is disposed on one side of the external threaded portion 21 of the axle. The other end of the axle 30 is provided with a sliding wheel 23.

The fixing sleeve 30 has a through hole 31 and has a fixing sleeve external thread portion 32, and the threaded direction of the fixing sleeve external thread portion 32 and the axle external thread portion 21 are opposite to each other.

In the present embodiment, the external thread portion 21 of the axle is an orthodontic tooth, and the external thread portion 32 of the fixing sleeve is an inverted tooth.

The above is the introduction of each component of the creation, and then the assembly operation, principle, and function characteristics of each component are described as follows: Please refer to FIG. 3 and FIG. 4, wherein the external thread portion 21 of the axle is screwed. The first internal thread portion 12 of the axle hole 11 and the side of the fixing sleeve 30 are sleeved on the outside of the axle 20 by the through hole 31 and moved until the abutment edge 22 is abutted, and the other side of the fixing sleeve 30 is blocked by the skateboard The wheel 23 abuts to limit the predetermined position of the fixing sleeve 30 on the axle 20, and additionally screws the fixing sleeve external thread portion 32 to the second female thread portion 13.

Accordingly, the axle 20 is threaded by two screw joints, that is, the outer thread portion 21 of the axle shaft, the screw portion of the first female thread portion 12, and the external thread portion 32 and the second female thread portion 13 of the fixing sleeve. The opposite directions (orthodontal, anti-tooth) can produce a relative tightening action (ie, reaction tightening), that is, loosening one screw joint will make the other screw joint more tight, such as the external thread portion 21 of the orthodontic wheel. The external threaded portion 32 having the anti-tooth can be reversely screwed so that one end of the axle 20 is screwed and fixed to the axle hole 11 and does not move axially, that is, the axle 20 does not fall off, and the support frame 10 and the axle 20 are assembled. The connected structure is completely hidden in the axle hole 11 without being exposed.

In summary, the creation can improve the stability, speed, safety and accuracy of the skateboard, low manufacturing cost, the skate wheel axle does not fall off, and the appearance is more beautiful; The support frame of the skateboard and the skateboard wheel axle assembly structure are missing.

Referring to FIG. 3 and FIG. 4 again, the skateboard wheel 23 of the present invention is sleeved on the axle 20 by a bearing 24, and a gasket resting on the bearing 24 is further disposed on the axle 20 ( The washer 25 is locked and a nut 26 is locked; accordingly, the slide wheel 23 can be fixed to the axle 20.

The above-mentioned nut 26 can be a nylon-resistant cap; according to this, the anti-threaded portion, that is, the fixed-flange external thread portion 32, is not loosened to ensure the safety of the present creation.

According to the above description, it is to be noted that in the conventional technology of the skateboard, the skateboard wheel axle is "sleeve" with a washer (Washer), and the "slip on" gasket is intended to avoid the bearing on the skateboard wheel axle (Peiling) The wear or the help of the bearing to rotate smoothly.

It should be emphasized that a flange 33 is provided on one side of the original fixing sleeve 30, and when the fixing sleeve 30 is screwed to the axle hole 11, the flange 33 is exposed to a part of the axle hole 11 and contacts. Close to bearing 24.

Accordingly, the flange 33 can replace the "slip on" of the conventional skateboard wheel axle, but the creation uses the fixing sleeve 30 and the gasket integrally formed, in addition to maintaining the anti-wear and auxiliary bearing rotation of the conventional gasket. The effect of the gasket can also be reduced during production, and the time for inserting the gasket can be saved during assembly (the production cost can be reduced).

Referring to FIGS. 3 and 4 again, before the assembly of the present invention, the external thread portion 21 of the axle and the external thread portion 31 of the fixing sleeve are previously subjected to dispensing processing.

Accordingly, the two screwing portions of the axle 20, that is, the outer thread portion 21 of the axle shaft, the screwing portion of the first female thread portion 12, and the screw portion of the outer thread portion 31 and the second female thread portion 13 of the fixing sleeve are Dispensing strengthens the bonding force.

The above embodiments of the present invention are provided for convenience of explanation only. When the meaning of the case cannot be limited, the various transformation designs according to the scope of the listed patent application should be included in the patent scope of the present application.

10‧‧‧Support frame

11‧‧‧ Wheel axle hole

20‧‧‧Axle

21‧‧‧Axial external thread

22‧‧‧Affinity

23‧‧‧Skateboard

30‧‧‧fixed sets

31‧‧‧Perforation

32‧‧‧Fixed sets of external thread

33‧‧‧Front

90‧‧‧ Skateboarding

Claims (5)

An axle fixing structure for a skateboard includes: a support frame for mounting under the sliding plate, having at least one axle hole, wherein the axle hole has a first internal thread portion and a second internal thread portion, the first The thread direction of an internal thread and the second threaded portion are opposite to each other; one axle has one external threaded portion at one end, and an abutting edge is provided on one side of the external threaded portion of the axle, and the other end of the axle is used to mount a skateboard a fixing sleeve having a through hole and having a fixing sleeve external thread portion, wherein the external thread portion of the fixing sleeve and the external thread portion of the axle shaft are opposite to each other; wherein the external thread portion of the axle shaft is screwed to the wheel a first internal threaded portion of the axle hole, and the fixing sleeve is sleeved on the outside of the axle and abuts against the abutting edge, and the external threaded portion of the fixing sleeve is screwed to the second internal thread portion, so that the axle is fixed to the axle hole It does not move axially. The axle fixing structure of the skateboard according to claim 1, wherein a flange is provided on one side of the fixing sleeve, and the flange is at least partially exposed outside the axle hole and is in contact with the sliding wheel. A bearing. The axle fixing structure of the skateboard according to claim 1, wherein the external thread portion of the axle and the external thread portion of the fixing sleeve are subjected to dispensing processing. The axle fixing structure of the skateboard according to the first aspect of the invention, wherein the first internal thread portion is an orthodontic portion and the second internal thread portion is an inverted tooth. The axle fixing structure of the skateboard according to claim 1, wherein the external thread portion of the axle is an orthodontic portion, and the external thread portion of the fixing sleeve is an inverted tooth.