TWI388758B - Rotatable rack - Google Patents

Description

Rotating bracket

The present invention relates to a rotating bracket, and more particularly to a rotating bracket having a sense of positioning.

With the development of technology, GPS Navigation technology is commonly used in driving navigation. For ease of use, the satellite navigation device is usually mounted on a rotating bracket for a vehicle, and the angle of rotation of the rotating bracket can be adjusted for the user to obtain an optimal viewing angle.

Please refer to FIG. 1 , which is a schematic cross-sectional view of a rotating bracket of the prior art. The rotating bracket of the prior art is composed of a circular structure active member 11 and a circular structure follower 12. The active member 11 has a plurality of tooth structures 111 and a plurality of tooth structure 112. The follower 12 is provided with a plurality of engaging portions 121. When the driving member 11 is rotated, the interference tooth structure 111 can be rubbed by the engaging portion 121 to engage the engaging portion 121 in the corresponding tooth groove structure 112, thereby limiting the driving member 11 by the engaging portion 121. The purpose of locating the active member 11 is achieved.

However, the rotating bracket of the prior art, the active member 11 and the follower 12 are usually made of plastic material. However, during the operation, the interference between the engaging portion 121 and the toothed structure 111 causes the engaging portion 121 or the toothed structure 111 to be ground, so that the engaging effect is deteriorated or even disappears, resulting in a conventional technique. Rotating brackets have the problem of shortened service life.

Further, if the engaging portion 121 is too large, the rotating bracket is not easily rotated, and if the engaging portion 121 is too small, the active member 11 is not easily positioned, and the paragraph feeling is not easy. When the size of the engaging portion 121 needs to be adjusted, the active member needs to be redesigned or modified. The mold, in turn, causes the conventional rotating bracket to have a problem of high manufacturing cost.

In view of the above-mentioned problems of the prior art, it is an object of the present invention to provide a rotating bracket for solving the problems of short life, poor paragraph feeling and high manufacturing cost of the rotating bracket of the prior art.

According to an aspect of the present invention, a rotating bracket includes a rotating member, a fixing base, an elastic member and a positioning member. The fixing seat has an accommodating space, and the rotating component is disposed in the accommodating space. One side of the elastic member is disposed on the fixing seat, and the other side of the elastic member abuts against one side of the positioning member, and the other side of the positioning member can be abutted against the convex tooth provided by the rotating member, or embedded in two adjacent convex teeth The interdental space. Wherein, when the rotating member is rotated, the positioning member is abutted or embedded in the convex tooth and the groove passing through the other side thereof by the elastic member.

The positioning member has a card slot, and the positioning member limits the position of the elastic member to the other side of the positioning member by the card slot.

Wherein, the elastic member is a metal wire body, and the two ends are bent toward the center to form a protruding portion and a supporting portion, wherein the protruding portion is disposed at a position in the center of the elastic member and abuts against the card slot, and the supporting portion is Extending obliquely outwardly from the projection and abutting against the mount, thereby producing the desired appropriate elasticity.

Wherein, the fixing seat has a limiting groove, and the protruding tooth of the rotating component is fitted in the limiting groove, thereby combining the rotating component and the fixing seat.

The fixing base further has an opening and a side cover. The opening is formed on one side wall of the fixing seat, the side cover is disposed on the opening, and the supporting portion is topped against the side cover.

According to the above, the rotating bracket according to the present invention can be used by the convex teeth of the rotating member And the tooth groove, the elastic member and the positioning member cooperate with each other to achieve the purpose of positioning the rotating member, and the elastic member and the positioning member cooperate to control the force of the positioning member to and from the convex tooth and the groove, thereby achieving excellent The positioning of the paragraph.

Please refer to FIG. 2 and FIG. 3 , which are respectively an exploded view and a combined view of the rotating bracket of the present invention. In the figure, the rotating bracket comprises a rotating member 21, a fixing seat 22, an elastic member 23 and a positioning member 24.

The rotating member 21 can be made of a plastic material and has a disk shape, and has a plurality of protruding teeth 211 and a plurality of grooves 212. The protruding teeth 211 are spaced apart from the side wall faces of the rotating member 21. Each of the grooves 212 is formed between every two adjacent convex teeth 211. The rotating member 21 is provided by the number of the convex teeth 211 and the tooth grooves 212 for setting the rotation angle. Wherein, the rotating member 21 can be provided with an electronic mobile device, such as a satellite navigation device.

The fixing base 22 can be made of a plastic material and has a disc shape, and has an accommodating space 220, a limiting recess 221, an opening 222 and a side cover 223 (please refer to FIG. 6). The limiting groove 221 is recessed in the inner wall surface of the accommodating space 220. The opening 222 is formed on one side of the fixing seat 22. The side cover 223 can be covered at the opening 222 to close the side wall of the fixing seat 22. The width W′ of the limiting recess 221 can be greater than the tooth width W of the protruding tooth 211 , and the depth A′ of the limiting recess 221 can be smaller than the tooth depth A of the protruding tooth 211 , so that the protruding tooth 211 can be partially embedded in The limit groove 221 is inside (as shown in Fig. 4).

Please refer to FIG. 5 and FIG. 6 , which are schematic views of the positioning member and the elastic member of the rotating bracket of the present invention and a partial cross-sectional view of the rotating bracket of the present invention. The positioning member 24 can be a circular cylinder and disposed on the rotating member 21 and elastic. Between pieces 23, and The arcuate side wall surface of the positioning member 24 is recessed with a slot 241, and the slot 241 is annularly disposed on the curved side wall surface of the positioning member 24.

The elastic member 23 has two support portions 231 and a protruding portion 232. The protruding portion 232 is formed at a central position of the elastic member 23 and can be abutted against the slot 241 of the positioning member 24. The two supporting portions 231 are respectively extended from the two ends of the protruding portion 232 to the side cover 223, and are respectively offset. On the side cover 223. Wherein, the elastic member 23 presses the positioning member 24, and an external force is applied to the positioning member 24 to make the positioning member 24 constantly contact with the rotating member 21. In addition, the elastic member 23 can be made of a metal wire body, and metal wire bodies of different wire diameters can be selected according to requirements, and the metal wire body is bent into different shapes, so that the elastic member 23 generates a required external force to be applied to the positioning member 24 . .

When the rotating bracket is assembled, the rotating member 21 is first closed on the accommodating space 220 of the fixing base 22, and the protruding teeth 211 of the rotating member 21 are embedded in the limiting recess 221 of the fixing seat 22. Next, the positioning member 24 and the elastic member 23 are sequentially disposed between the rotating member 21 and the fixing seat 22 from the opening. The protruding portion 232 of the elastic member 23 is embedded in the card slot 241. Next, the side cover 223 is covered at the opening 222 to press the support portion 231 of the elastic member 23 against the side cover 223. At this time, since the positioning member 24 is pressed against the top of the convex tooth 211 or the tooth groove 212 to compress the elastic member 23, the elastic member 23 is elastically pressed against the positioning member 24, so that the positioning member 24 is in constant contact with the convex tooth 211 or the groove. 212 will not be separated from each other during operation, as shown in Figure 5.

Please refer to FIG. 7 and FIG. 8 together, which is a schematic diagram of the first actuation of the rotating bracket of the present invention and a second actuation diagram. When the user rotates the rotating member 21, since one side of the positioning member 24 is pressed by the elastic member 23 to constantly contact the convex tooth 211 or the tooth groove 212, when the rotating member 21 is rotated, positioning is performed. The piece 24 can be abutted or embedded in the convex tooth 211 and the groove 212 on the other side of the positioning member 24 by the elastic member 23.

When the protruding tooth 211 passes the positioning member 24, the positioning member 24 moves toward the position of the side cover 223, that is, moves toward the outside of the accommodating space 220, and the elastic member 23 is deformed, and a large compressive elastic force is applied to the positioning member. 24 on.

When the gullet 212 passes the locating member 24, the locating member 24 is moved toward the position away from the side cover 223 by the elastic force of the elastic member 23, that is, moved toward the inner side of the accommodating space 220, and is inserted into the gullet 212.

According to the above, when the rotary rotating member 21 is intended to pass the groove 212 or the protruding tooth 211 through the positioning member 24, the user needs to apply an external force against the elastic force of the elastic member 23 for rotating the rotating member 21. Thus, when the tooth groove 212 passes the positioning member 24, the positioning member 24 can be inserted into the tooth groove 212 by releasing the compressive elastic force by the elastic member 23, or can generate the compressive elastic force by the elastic member 23 when the convex tooth 211 passes the positioning member 24. According to the sense of positioning paragraphs.

Because the rotating bracket of the present invention rotates the rotating member 21 relative to the fixed seat 22 by means of the positioning member 24 and the rotating member 21, in this embodiment, the positioning member 24 is a circular cylinder, that is, The friction between the rotating member 21 and the positioning member 24 can be reduced, thereby reducing the wear of the rotating member 21 by the positioning member 24, thereby achieving the purpose of improving the service life of the rotating bracket.

Another function of the rotating bracket of the present invention is that only the shape of the elastic member 23 needs to be adjusted, or the elastic members 23 of different wire diameters are selected, so that the elastic member 23 generates the required elastic force, which can be provided according to the needs of the user. The purpose of different rotation forces.

A further effect of the rotating bracket of the present invention is that it is provided by the elastic member 23. The positioning of the paragraph is clearly displayed, and the rotation angle of the rotating bracket can be clearly perceived.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

11‧‧‧Active parts

111‧‧‧Toothed structure

112‧‧‧The structure of the groove

12‧‧‧ Followers

121‧‧‧Clock Department

21‧‧‧Rotating parts

211‧‧‧ convex teeth

212‧‧‧ tooth groove

22‧‧‧ Fixed seat

220‧‧‧ accommodating space

221‧‧‧ Limit groove

222‧‧‧ openings

223‧‧‧ side cover

23‧‧‧Flexible parts

231‧‧‧Support

232‧‧‧Protruding

24‧‧‧ Positioning parts

241‧‧‧ card slot

A‧‧‧ tooth depth

A’‧‧‧ Limit groove depth

W‧‧‧ tooth width

W’‧‧‧ Limit groove width

1 is a schematic view of a conventional rotating bracket; FIG. 2 is an exploded view of the rotating bracket of the present invention; FIG. 3 is a combined view of the rotating bracket of the present invention; and FIG. 4 is a convex of the rotating bracket of the present invention; Fig. 5 is a schematic view of a positioning member and an elastic member of the rotating bracket of the present invention; Fig. 6 is a partial sectional view of the rotating bracket of the present invention; and Fig. 7 is a first operation of the rotating bracket of the present invention FIG. 8 and FIG. 8 are schematic diagrams showing the second operation of the rotating bracket of the present invention.

21‧‧‧Rotating parts

211‧‧‧ convex teeth

212‧‧‧ tooth groove

22‧‧‧ Fixed seat

220‧‧‧ accommodating space

221‧‧‧ Limit groove

222‧‧‧ openings

23‧‧‧Flexible parts

231‧‧‧Support

232‧‧‧Protruding

24‧‧‧ Positioning parts

Claims (10)

A rotating bracket comprises: a rotating member having a plurality of convex teeth and a plurality of tooth grooves, each of the plurality of tooth grooves being disposed between two adjacent convex teeth of the plurality of convex teeth; a fixing seat, The locating member is disposed in the accommodating space; an elastic member is disposed on the fixing seat, and one side of the elastic member abuts against the fixing seat; and a positioning member is disposed at the rotation Between the member and the elastic member, one side of the positioning member abuts against the elastic member, and the other side selectively abuts against one of the protruding teeth, or one of the one of the grooves; When the rotating member is rotated, the plurality of convex teeth or the plurality of grooves are sequentially passed through the positioning member, and the rotating member is rotated relative to the fixed seat by the positioning member. The rotating bracket according to claim 1, wherein one of the plurality of protruding teeth passes through the positioning member, the protruding tooth moves the positioning member, and the positioning member presses against the elastic member, so that the positioning member and the positioning member The elastic member moves toward the outside of the accommodating space, and causes the elastic member to generate a compressive elastic force. The rotating bracket of claim 2, wherein the elastic member releases the compressive elastic force when one of the plurality of grooves passes through the positioning member, and the positioning member is embedded in the groove. The rotating bracket according to claim 1, wherein the fixing base further has an opening and a side cover formed on one side wall of the fixing seat, and the side cover is provided on the opening. The rotary bracket of claim 4, wherein the positioning member has The elastic member has at least one supporting portion and a protruding portion, wherein the protruding portion is formed at a central position of the elastic member and abuts against the card slot, and the at least one supporting portion is directed by the protruding portion The side cover extends and abuts against the side cover. The rotating bracket of claim 1, wherein the receiving space of the fixing base has a limiting groove, and the limiting groove is disposed on the inner side wall surface of the receiving space. The rotary bracket of claim 6, wherein the plurality of convex teeth are fitted in the limiting groove. The rotary bracket of claim 1, wherein the plurality of convex teeth and the plurality of teeth are disposed on a side wall surface of the rotating member. The rotating bracket of claim 1, wherein the elastic member is a metal wire body. The rotary bracket of claim 9, wherein the metal wire system is a piano wire.