TW201736740A - Fast nut comprising first and second clamping bodies that may be clamped onto a screw rod and fixed by a C-shaped elastic body clamping around the first and second clamping bodies - Google Patents

Abstract

A fast nut comprises a clamp type nut that can be easily clamped onto and removed from a screw rod. The clamp type nut comprises a first clamp body and a second clamp body that are mounted to each other in a rotatable manner and a C-shaped elastic body coupled to the first and second clamp bodies. The first clamp body is provided, on an inner side thereof, with a first semicircular hole. The first semicircular hole has a hole wall that is provided with an internal thread. The second clamp body is provided, on an inner side thereof, with a second semicircular hole. The second semicircular hole has a hole wall that is provided with an internal thread. The C-shaped elastic body provides a spring force that sets the first and second clamp bodies in a clamped condition so that the internal thread of the first semicircular hole and the internal thread of the second semicircular hole can be combined to clamp on and form threading engagement with an external thread of the screw rod. With such a structure , the clamp type nut can be fast moved on the screw rod to a desired position to camping or releasing a work piece thereby achieving a great increase of operation efficiency.

Description

Quick nut

The present invention relates to the technical field of a nut structure, and more particularly to a quick nut that can be quickly moved to a position on a screw to cooperate with clamping or releasing a workpiece to greatly improve work efficiency.

Generally, the conventional nut is mainly screwed to a bolt or a screw by a screw hole in a closed shape, so when the nut is to be used for clamping or releasing the workpiece (for example, for quick release, light steel) Fixing screws, axles, woodworking clamps, round pipe clamps, duckbill clamps, pipe clamps, quick clamps, etc.), it is necessary to rotate the nut one turn clockwise or counterclockwise to reach the predetermined time. The position is removed from the screw, and this increases the time for installation, adjustment and disassembly of the nut, thereby reducing work efficiency, especially when the nut needs to be screwed at a distance from the end of the screw. When the distance is too long and the number of locks is large (for example, when applied to a crankshaft detacher), it takes a lot of time to screw the nut, and the work efficiency is thus greatly reduced.

Generally, the nut structure of the prior art has the problem that it needs to be rotated a plurality of turns to be screwed to a proper position on the screw or detached from the screw, thereby causing a problem of poor work efficiency.

The present invention provides a quick nut comprising a clip nut that can be easily clamped and detached from a screw. The clip nut includes a first body, a second body and a C-shaped elastomer. The rear end of the first clamping body has a first inclined surface, and the outer side surface is provided with a first groove extending through the first inclined surface, and the inner side surface has a first semicircular hole, the first semicircle An inner thread is disposed on the wall surface of the hole, and the inner side surface is spaced apart from the first inclined surface to be provided with at least one first pivot block and at least one first pivot groove in a circular arc shape. The rear end of the second clamping body has a second inclined surface, and the outer side surface is provided with a second groove extending through the second inclined surface, and the inner side surface has a second semicircular hole, and the second semicircular hole An internal thread is disposed on the wall surface of the hole, and the inner side surface is spaced apart from the second inclined surface to be provided with at least one second pivot block and at least one second pivot groove formed in a circular arc shape. The second pivot block is rotatably embedded in the first pivot slot, and the second pivot slot is rotatably embedded in the first pivot block, so that the first clip body and the first pivot block The two clips can thereby be relatively clamped or opened. When the first clamping body and the second clamping body are oppositely engaged, the internal thread of the first semi-circular hole and the internal thread of the two semi-circular holes can be oppositely clamped and screwed on the external thread of the screw, and An angle formed between the first inclined surface and the second inclined surface is such that an opening width of the first clamping body and the second clamping body is greater than an outer diameter of the screw. The C-shaped elastic system is embedded in the first groove and the second groove, and provides elastic force to make the first body and the second body face oppositely.

The quick nut provided by the present invention can control the first body and the second body by pulling the first body and the second body outward and engaging the elastic force of the C-shaped elastic body. The clamping body relatively clamps or releases the screw so that it can be fast Move to the position where you want to lock the fixed position for quick disassembly. Moreover, the internal thread in the first semicircular hole and the second semicircular hole can also be screwed on the thread of the screw so as to be screwed on the screw. In particular, the present invention can form a clip-on nut having the above-mentioned effects only by the three simple members of the first clip body, the second clip body and the C-shaped elastic body, so that the manufacturing process and assembly are very Simple, relative production costs are also very low. In particular, the first body and the second body may be two members of the same shape, and only one of them may be combined upside down and upside down, so that only one mold is required, so It can further reduce the production cost.

The quick nut of the present invention further includes a driving sleeve, the driving sleeve is polygonal, and the bottom surface has a receiving groove for receiving the clip nut, and the top mask of the driving sleeve has a through hole penetrating the same The through hole is provided for the screw to pass through, and the driving sleeve can drive the clip nut to rotate to achieve the effect of tightening the screw.

A‧‧‧ screw

B‧‧‧Clip nuts

B1‧‧‧ gap

10‧‧‧First body

11‧‧‧ First force surface

12‧‧‧ first slope

13‧‧‧First trench

14‧‧‧First semi-circular hole

15‧‧‧First pivot block

16‧‧‧First pivot slot

17‧‧‧First perforation

20‧‧‧Second body

21‧‧‧second force surface

22‧‧‧Second slope

23‧‧‧Second trench

24‧‧‧Second semicircular hole

25‧‧‧Second pivot block

26‧‧‧Second pivot slot

27‧‧‧Second perforation

30‧‧‧C-shaped elastomer

C‧‧‧Clip tool

D‧‧‧ drive sets

D1‧‧‧容容

D2‧‧‧Bumps

D3‧‧‧through hole

E‧‧‧Wrench

Fig. 1 is a perspective exploded view showing the first embodiment of the present invention.

Fig. 2 is a perspective exploded view showing the other side of the first embodiment of the present invention.

Fig. 3 is a perspective view showing a three-dimensional combination of the first embodiment of the present invention.

Figure 4 is a schematic cross-sectional view showing the first embodiment of the present invention.

Fig. 5 is a schematic perspective view showing the state of use of the first embodiment of the present invention.

Fig. 6 is a schematic plan view showing the state of use of the first embodiment of the present invention.

Figure 7 is a perspective exploded view of a second embodiment of the present invention.

Figure 8 is a perspective exploded view of a third embodiment of the present invention.

Fig. 9 is a schematic plan view showing the second embodiment of the present invention.

Figure 10 is a perspective exploded view of a fourth embodiment of the present invention.

Figure 11 is a perspective view showing the three-dimensional combination of the other side of the fourth embodiment of the present invention.

Figure 12 is a schematic view showing the operation of the drive sleeve on the clip nut according to the fourth embodiment of the present invention.

Figure 13 is a schematic view showing the operation of the fourth embodiment of the present invention for rotating the driving sleeve with a wrench.

Figure 14 is a fifth embodiment of the present invention.

Referring to FIGS. 1~6, which is a first embodiment of the quick nut according to the present invention, the quick nut includes a clip nut B that can be easily clamped and disengaged from a screw A. The clip-on nut B includes a first clip body 10, a second clip body 20 and a C-shaped elastic body 30, wherein the first clip body 10 is semi-circular, and the first clip body 10 is The front end has a first force applying surface 11 and the rear end has a first inclined surface 12. The first clamping body 10 has a first groove 13 on the outer side surface of the circular arc shape, and the first groove 13 penetrates into the first inclined surface 12 to have an opening shape. The center of the inner surface of the first body 10 having a flat surface has a first semicircular hole 14 penetrating to the upper and lower sides, and an internal thread is provided on the wall surface of the first semicircular hole 14. The first clamping body 10 is adjacent to the first inclined surface 12 and is provided with at least one first pivot block 15 and a circular arc shape at least one first pivot slot 16 .

The second body 20 is semi-circular, and the front end of the second body 20 There is a second force applying surface 21, and the rear end has a second inclined surface 22. The second clamping body 20 has a second groove 23 on the outer side surface of the circular arc shape, and the second groove 23 penetrates into the second inclined surface 22 to have an opening shape. The center of the inner surface of the second body 20 having a flat surface has a second semicircular hole 24 penetrating to one of the upper and lower sides, and an internal thread is provided on the wall surface of the second semicircular hole 24. The second clamping body 20 is adjacent to the second inclined surface 22 and is provided with at least one second pivoting block 25 and a circular arc-shaped at least one second pivoting groove 26. The second pivoting block 25 is rotatably The second pivoting groove 26 is rotatably embedded in the first pivoting block 15 so that the first clamping body 10 and the second clamping body 20 can be embedded. Thereby, it is relatively clamped or opened. When the first clamping body 10 and the second clamping body 20 are oppositely engaged, the first clamping body 10 and the second clamping body 20 are in a circular shape, the first semicircular hole 14 and the two semicircular holes. The 24 series is formed into a round hole, and the internal thread is also integrated into a full-circle thread, and the first force-applying surface 11 and the second force-applying surface 21 can be combined to form a notch B1 and the first An angle formed between the inclined surface 12 and the second inclined surface 22, and an angle between the first inclined surface 12 and the second inclined surface 22 is an opening width of the first clamping body 10 and the second clamping body 20 More than the outer diameter of the screw A, the angle between the first inclined surface 12 and the second inclined surface 22 is preferably 50 to 90 degrees. In the present invention, the first force applying surface 11 and the second force applying surface 21 may be a slope surface, a class surface, a circular arc surface, etc., the first pivot block 15, the first pivot slot 16, the The number of the second pivot block 25 and the second pivot slot 26 can be set to one, two or more according to actual needs.

The C-shaped elastic body 30 is embedded in the first groove 13 and the second groove 23 to provide an elastic force to make the first body 10 and the second body 20 opposite to each other. The state of the clamp. In the present invention, the C-shaped elastic body 30 is a steel ring bent into a C shape.

In the first and second figures, it can be seen that the shape of the first body 10 and the second body 20 are the same, only the left and right and the upper and lower sides are opposite. Therefore, it is only necessary to open a mold to simultaneously produce the same. The first body 10 and the second body 20 can further save manufacturing costs.

In the fifth and sixth figures, it can be seen that when the first force applying surface 11 and the second application surface 12 are outwardly opened by the hand, the first body 10 and the second body 20 are The C-shaped elastic body 30 is also outwardly stretched by the first clamping body 10 and the second clamping body 20, so that the first semi-circular hole 14 can be The internal thread of the second semicircular hole 24 is away from the screw A by a distance. At this time, the clip nut B can be quickly moved to the position where the fixed position is to be locked, and then the first force applying surface 11 is released. The second force applying surface 21 causes the elastic force of the C-shaped elastic body 30 to drive the first clamping body 10 and the second clamping body 20 to sandwich the screw A, such that the first semicircular hole 14 and the second semicircle The internal thread in the hole 24 can be screwed with the thread on the screw A, thereby achieving the effect of rapid movement and positioning. Similarly, when the clip-on nut B is to be disassembled, the first force-applying surface 11 and the second force-applying surface 21 are only required to be outwardly opened by the hand to make the first body 10 The opening opened with the second body 20 is larger than the outer diameter of the screw A, and can be removed from the screw A for rapid disassembly. In this embodiment, when the first urging surface 11 and the second urging surface 21 are beveled, the clip B can be placed only by the notch B1 on one side of the screw A. Pushing in the direction of the screw A, the first body 10 and the second body 20 can be outwardly extended. Open, and further make its clip positioning easier and faster.

The quick nut provided by the present invention can control the first body 10 by pulling the first body 10 and the second body 20 outward and engaging the elastic force of the C-shaped elastic body 30. The screw A is clamped or released relative to the second body 20 so that it can be quickly moved to the position where the fixed position is to be locked, so as to achieve quick disassembly. Moreover, the internal thread in the first semicircular hole 14 and the second semicircular hole 24 can also be screwed on the thread of the screw A so as to be screwed on the screw A. In particular, the present invention can form the clip-on nut B having the above-mentioned effects only by the three simple members of the first clip body 10, the second clip body 20 and the C-shaped elastic body 30, so that the manufacturing process and The assembly is very simple and the relative production cost is very low. In particular, the first body 10 and the second body 20 may be two members of the same shape, and only one of them may be assembled by right and left and upside down, so that only one mold is required. Therefore, the production cost can be further reduced.

Referring to FIG. 7 , it is a second embodiment of the quick nut according to the present invention, and the structure thereof is substantially the same as that of the first embodiment, and the difference lies only in the first groove 13 and the second groove of the embodiment. The groove 23 is configured to be relatively thin, and the C-shaped elastic body 30 is a steel piece bent into a C shape, and the first body 10 is provided with a first through hole 17 penetrating the upper and lower portions. The second body 20 is provided with a second through hole 27 extending through the upper and lower sides. Thereby, the relative clamping force of the first body 10 and the second body 20 can be increased, and the first hole 17 and the second hole 27 can be inserted into the second hole 27 by using a clip tool C. Extend it (please refer to Figure 9).

Referring to FIG. 8 , it is a third embodiment of the quick nut of the present invention, and the structure thereof is substantially the same as that of the first embodiment, and the difference lies only in the first groove 13 and the second groove of the embodiment. The number of the grooves 23 is two, and the number of the C-shaped elastic bodies 30 is also two. Thereby, the relative clamping force of the first body 10 and the second body 20 can be increased, and the first hole 17 and the second hole 27 can be inserted into the second hole 27 by using a clip tool C. Extend it (please refer to Figure 9). In this embodiment, the number of the first groove 13, the second groove 23, and the C-shaped elastic body 30 is not limited to one or two of the above, and of course, it may be set to more according to actual needs. This is no longer a separate statement.

Please refer to FIGS. 10~13, which is a fourth embodiment of the quick nut according to the present invention, wherein the quick nut further includes a driving sleeve D. The driving sleeve D has a hexagonal shape, and the bottom surface has a receiving groove D1 for receiving the clip-on nut B. A convex block D2 is protruded from a groove wall of one side of the receiving groove D1, and the protruding block D2 can be embedded. In the notch B1 of the clip nut B, the top mask of the driving sleeve D has a through hole D3 extending through the receiving groove D1, and the through hole D3 is allowed to pass through the screw A. Thus, when the clip nut B is quickly clamped on the screw A, the driving sleeve D can be further sleeved and then clamped and rotated by a wrench E or other clamping tool. The driving sleeve D causes the driving sleeve D to rotate the clip nut B by the insertion of the bump D2 and the notch B1, and the clip nut B can be adjusted by the limitation of the driving sleeve D. It won't open, so you can achieve the effect of the screw lock. In this embodiment, the driving sleeve D can also be set as a square, a polygon, a star, a plum, etc., which will not be described one by one.

Referring to FIG. 14 , it is a fifth embodiment of the quick nut according to the present invention, and the structure thereof is substantially the same as that of the fourth embodiment, and the difference lies only in the first body of the clip nut B of the embodiment. The shape of the pair of the second clamping body 20 is hexagonal, and the groove D1 of the driving sleeve D is also oppositely formed into a hexagonal shape into which the clamping nut B can be embedded, so that the convexity is not required to be disposed. The block D2 can directly use the driving sleeve D to drive the clip nut B to rotate. Of course, the shape of the first clip 10 and the second clip 20 of the clip nut B and the shape of the slot D1 of the drive sleeve D can also be set to be square, polygonal, star, and plum. Shape...etc. This is not repeated here.

10‧‧‧First body

11‧‧‧ First force surface

12‧‧‧ first slope

13‧‧‧First trench

14‧‧‧First semi-circular hole

15‧‧‧First pivot block

16‧‧‧First pivot slot

20‧‧‧Second body

21‧‧‧second force surface

22‧‧‧Second slope

23‧‧‧Second trench

24‧‧‧Second semicircular hole

25‧‧‧Second pivot block

26‧‧‧Second pivot slot

30‧‧‧C-shaped elastomer

Claims (10)

A quick nut includes a clip nut that can be easily clamped and disengaged from a screw, the clip nut includes: a first clip body having a first inclined surface at the rear end and a through surface on the outer side surface a first groove to the first inclined surface, the inner side surface has a first semi-circular hole, the first semi-circular hole has an internal thread on the wall surface, and the inner side surface is spaced apart from the first inclined surface to have a circle Forming at least one first pivot block and at least one first pivot groove in a circular arc shape; a second clamping body having a second inclined surface at the rear end, and the outer side surface is provided with an opening to the second inclined surface a second groove, the inner side surface has a second semi-circular hole, the second semi-circular hole is provided with an internal thread on the wall surface of the hole, and the inner side surface is adjacent to the second inclined surface and is provided with a circular second at least one second pivot block At least one second pivot slot of the arc shape, the second pivot block is rotatably embedded in the first pivot slot, and the second pivot slot is rotatably embedded in the first pivot block The first clamping body and the second clamping body can be relatively clamped or opened by the first clamping body and the second clamping body. When the clamping is performed, the internal thread of the first semi-circular hole and the internal thread of the two semi-circular holes are relatively clamped and screwed on the external thread of the screw, and the first inclined surface and the second inclined surface are formed. The angle between the opening of the first clamping body and the second clamping body is greater than the outer diameter of the screw; and a C-shaped elastic body is embedded in the first groove and the second groove. The elastic force is provided to bring the first clamping body and the second clamping body into a relative clamping state. The quick nut according to claim 1, further comprising a driving sleeve, wherein the driving sleeve has a polygonal shape and a bottom surface has a receiving groove for receiving the clip nut, the top of the driving sleeve The mask has a through hole penetrating into the pocket, the through hole is permeable to the screw, and the driving sleeve can drive the clip nut to rotate. The quick nut according to claim 1, wherein the front end of the first body has a sloped first force applying surface, and the front end of the second body has a sloped shape and a second force applying surface. After the clamping body is clamped with the second clamping body, an angle is formed between the first force applying surface and the second force applying surface. The quick nut according to claim 2, wherein the first body is semi-circular, the second body is semi-circular, and the first body is rounded after being aligned with the second body. And forming a gap between the first force applying surface and the second force applying surface, the pocket being circular and just accommodating the clip nut on a side wall of the receiving slot A protrusion is disposed on the protrusion, and the protrusion can be embedded in the notch, so that the driving sleeve can thereby drive the clip nut to rotate. The fast nut of claim 2, wherein the first clamping body and the second clamping system are co-possible to form a polygon, and the receiving slot is configured to be a polygon suitable for receiving the clip nut, so that the driving The sleeve can thereby drive the clip nut to rotate. The quick nut according to claim 1 or 2, wherein the first body and the second body are identical in shape, and only one of them is combined in a left-right direction and an up-and-down direction. The quick nut of claim 1 or 2, wherein the C-shaped elastic system is a steel ring bent into a C-shape. The quick nut of claim 1 or 2, wherein the C-shaped elastic system is a steel sheet bent into a C-shape. The quick nut according to claim 1 or 2, wherein the first clamping body is provided with one of the upper and lower first perforations, and the second clamping body is provided with one of the upper and lower portions. The second perforation, the first perforation and the second perforation are insertable by a clip-shaped tool for applying a force to expand the first clamping body and the second clamping body into an open shape. The quick nut according to claim 1 or 2, wherein an angle between the first slope and the second slope is preferably 50 to 90 degrees.