TWI632021B - Locking device - Google Patents

Abstract

The invention relates to a locking device, which is provided with a body, a holder, a clamping group and a cover plate. The body is provided with a set of holes, a through hole, a chamber and a plurality of first curved grooves. The holder is disposed in the chamber and is provided with a plurality of slots arranged in an annular interval and corresponding to the plurality of first arcuate slots, wherein each of the slots is provided to be rollably offset from one of the first arcuate slots a pair of rolling columns, the clamping group is disposed in the chamber and is provided with a plurality of clamping blocks, each clamping block is a curved arc-shaped block and is axially concave with a plurality of continuous faces toward the outer surface of the retainer Arranging a second arcuate groove, the cover plate is fixedly coupled with the body, and the retainer and the clamping group are disposed between the body and the cover plate, thereby providing an improved locking effect and improving processing quality Locking device.

Description

Locking device

The invention relates to a locking device, in particular to a locking device for improving the locking effect and improving the processing quality.

According to the prior art, the existing locking device is used to provide a locking or loosening effect, and the existing locking device mainly uses a keyway or a frictional abutment to perform components such as a shank, a bolt or a nut. Locking or positioning. Therefore, the existing locking device includes various types of locking knife structures or wrenches. Among them, the currently used locking knife structure mainly has a locking knife seat, a needle roller seat and a fixing cover. The bolting is fixedly coupled with a locking tool holder, and is further disposed on a machine tool for locking a tool holder. The locking knife seat is provided with a plurality of grooves on the inner surface, and the needle roller is arranged The seat is disposed in the locker seat and is provided with a plurality of slots corresponding to the recesses, and a needle is disposed in each slot, and the fixed cover is fixedly coupled with the lock holder, The needle holder is fixed between the locking knife seat and the fixing cover.

When the existing lock knife structure is used, a cutter rod is inserted into the lock knife seat, so that the plurality of needle rollers on the needle needle seat are pushed outward by the circumferential surface of the cutter rod, respectively, and the lock knife seat is respectively The grooves are abutted so that the needles are non-rotatably located between the arbor and the corresponding grooves, and the arbor is locked by the non-rotating needle; however, the existing lock knive structure can be The structural feature achieves the effect of locking the arbor, but the way the needles abut against the arbor can avoid damage to the arbor due to excessive friction, but the abutment area of each needle and the arbor Limited (line contact), relatively unproducible The situation of firmly locking the arbor and causing the arbor to sway will affect the quality of the shank. Therefore, the existing lock knives have improvements in structure and use.

Therefore, in view of the lack of use and deficiencies of the existing locking device, it is impossible to have sufficient structural strength at the same time. After continuous research and experimentation, the present invention has been developed to improve the existing defects.

The present invention relates to a locking device which provides a locking device for improving the locking effect and improving the processing quality by a simplified structural arrangement; in order to achieve the above object, the present invention provides a locking device, which is a locking device The main body is provided with a set of holes, a through hole, a cavity and a plurality of first arcuate grooves, the sleeve hole penetrating through the top surface of the body, the piercing hole penetrating the body a bottom surface is opposite to the sleeve hole, and the chamber is disposed inside the body and communicates with the sleeve hole and the through hole, and the plurality of first arc grooves are facing the body via a top surface of the body The inner surface is concavely formed and connected to each other such that the body forms an annular wave structure on the top surface; a holder, the holder is combined with the body and disposed in the chamber through the sleeve, the holder Having a plurality of annularly spaced slots corresponding to the plurality of first arcuate slots of the body, each slot being recessed by a top surface of the retainer facing downwardly, such that each slot is an opening Upward structural type, the holder has a roll in each slot a rolling column that abuts against one of the first arcuate grooves of the body; a clamping group disposed in the housing of the body and located inside the holder and provided with a plurality of clamping blocks, each The clamping block is an arcuate block and is axially recessed toward the outer surface of the retainer with a plurality of consecutively arranged second arcuate grooves, each of the second arcuate slots and one of the retaining rollers Correspondingly, each of the rolling columns of the holder is located in one of the first arcuate slots of the body and the plurality of clamping blocks Between the corresponding second curved grooves, each rolling column is rolled and moved between the corresponding first curved groove and the second curved groove; and a cover plate, the cover plate and the body The phase fixing is combined to provide the holder and the clamping group between the body and the cover plate, wherein the bottom surface of the cover plate and the body, the holder, the rolling columns and the plurality of clamping blocks Affordable.

Further, as described above, the main body has a plurality of guiding grooves communicating with the chamber on the bottom surface, and the plurality of guiding grooves are circumferentially spaced apart from the outer periphery of the through hole, and Each of the clamping blocks is radially recessed at the bottom with a plurality of spaced apart bead slots, each bead slot corresponding to at least one guiding slot of the body, and the clamping group is disposed on the body and the plurality of clamping blocks There are a plurality of balls disposed between each of the bead slots and the corresponding guiding grooves, and the respective clamping blocks are guided by the rolling of the balls between the corresponding bead grooves and the guiding grooves. The body moves and rotates.

Further, in the locking device as described above, the plurality of guiding grooves of the body are arranged at two annularly spaced intervals around the outer periphery of the through hole, and the bead slots of the clamping group and the The main body is corresponding to the two guiding grooves of the two annular spacing patterns, and the two bead grooves are provided with two spaced balls, and the two balls are respectively disposed in the two corresponding guiding grooves.

Preferably, in the above-mentioned locking device, each clamping block has an inner edge protruding radially inwardly from the inner surface of the bottom portion, and a mounting groove is axially recessed on the top surface of the inner edge. And the mounting slots of the plurality of clamping blocks are arranged in an annular and communicating structure, and the clamping group is provided with an O-ring in the mounting slots of the plurality of clamping blocks, by the number An O-ring between the mounting slots maintains the position of the plurality of clamping blocks within the body compartment.

Preferably, the locking device has a plurality of locking holes recessed in the top surface of the body, and the cover plate is provided with a plurality of coupling holes linearly opposite to the locking holes of the body, and a plurality of fixing members that pass through the plurality of coupling holes and are respectively combined with the plurality of locking holes, thereby the cover is The plate is fixed on the body, and the retainer and the clamping group are actuated between the body and the cover.

Preferably, in the above-mentioned locking device, the two side faces of each slot are respectively a curved surface, thereby sandwiching the corresponding rolling column in the slot.

Preferably, the locking device can be combined with a locking tool holder as described above as a locking device for securing the tool holder.

Preferably, the locking device can be combined with a handle as described above, and one end of the handle is fixedly coupled with the outer surface of the body, so that the locking device can be used as a A wrench or clamp that loosens or locks the fasteners such as nuts and bolts.

According to the above technical features, the locking device of the present invention is mainly used to contact the object to be locked through surface contact by the clamping blocks, which can greatly improve the locking process. Friction force, and through the structure of each rolling column stuck in the corresponding two arc-shaped grooves, provides a stable locking function, effectively avoiding the lack of friction due to the line contact, and can not effectively lock and affect The problem of processing quality is to provide a locking device for improving the locking effect and improving the processing quality; further, the locking device of the present invention can pass through the balls located in the corresponding guiding groove and the mounting groove during use. Each clamping block can be stably rotated and moved relative to the body, thereby providing a guiding effect; further, the locking device of the present invention can be used with a locking tool holder or a handle, thereby serving as a fixing tool holder The lock knife device, or a wrench or clamp for loosening or locking a nut such as a nut or a bolt, relatively improves the utility of the lock device of the present invention.

10‧‧‧ Ontology

11‧‧‧Set holes

12‧‧‧With holes

13‧‧ ‧ room

14‧‧‧First curved slot

15‧‧‧ guiding slot

16‧‧‧Lock hole

20‧‧‧ Keeper

21‧‧‧ slots

22‧‧‧Rolling column

30‧‧‧Clamping group

31‧‧‧Clamping block

311‧‧‧Second curved groove

312‧‧‧Installation slot

313‧‧ ‧ beads

32‧‧‧ balls

33‧‧‧O-ring

40‧‧‧ Cover

41‧‧‧Combination hole

42‧‧‧Fixed parts

50‧‧‧Locking knife holder

51‧‧‧Base

52‧‧‧Support arm

53‧‧‧Binding arm

60‧‧‧Handle

Figure 1 is a perspective view of the locking device of the present invention.

Figure 2 is an exploded perspective view of the locking device of the present invention.

Figure 3 is another partial perspective view of the locking device of the present invention.

Figure 4 is a side cross-sectional view of the locking device of the present invention.

Figure 5 is a top cross-sectional view of the locking device of the present invention.

Figure 6 is a top cross-sectional view of the locking device of the present invention in operation.

Figure 7 is a perspective view of the locking device of the present invention applied to the locking of the knife bar.

Figure 8 is a perspective view of the locking device of the present invention applied to a nut or bolt.

The present invention mainly provides a locking device. As shown in FIGS. 1 to 4, the locking device of the present invention is provided with a body 10, a holder 20, a clamping group 30 and a cover 40, wherein: The body 10 is an annular seat body and is provided with a set of holes 11 , a through hole 12 , a cavity 13 , a plurality of first curved slots 14 , a plurality of guiding slots 15 and a plurality of locking holes 16 . The through hole 11 extends through the top surface of the body 10. The through hole 12 extends through the bottom surface of the body 10 and is linearly opposed to the sleeve hole 11. Preferably, the inner diameter of the sleeve hole 11 is larger than The inner diameter of the hole 12 is disposed in the interior of the body 10 and communicates with the sleeve hole 11 and the through hole 12 . The plurality of first arc grooves 14 are through the top of the body 10 . The inner surface of the body 10 is concavely formed and connected to each other, so that the body 10 forms an annular wave structure on the top surface, and the plurality of guiding grooves 15 are recessed and formed on the bottom surface of the body 10 and The guiding grooves 15 are connected to each other. Further, each guiding groove 15 is formed as an arc-shaped long groove and is disposed on the outer periphery of the through hole 12. Further, the plurality of guiding grooves 15 are annularly spaced. Preferably, the plurality of guiding grooves 15 of the body 10 are circumferentially spaced apart from each other around the outer periphery of the through hole 12, and the plurality of locking grooves 15 are arranged at two annular intervals. The holes 16 are recessed and formed on the top surface of the body 10 and spaced apart.

The holder 20 is coupled to the body 10 and disposed in the chamber 13 via the sleeve hole 11. The holder 20 is a hollow ring body, and the holder 20 is provided with a plurality of annular intervals and is arranged The plurality of first arcuate slots 14 of the body 10 correspond to the slots 21, wherein the slots 21 are recessed from the top surface of the retainer 20 downwardly, so that the slots 21 are open upwards. Preferably, the two sides of each slot 21 are respectively curved as shown in FIG. 2. Further, the holder 20 is provided with a rolling column 22 in each slot 21, and each rolling The column 22 can roll against the first arcuate groove 14 of the body 10, and the two curved faces of each slot 21 can sandwich the corresponding rolling column 22 in the slot 21.

The clamping group 30 is disposed in the chamber 13 of the body 10 and located inside the holder 20 . The clamping group 30 is provided with a plurality of clamping portions disposed in the chamber 13 and located inside the holder 20 . Block 31, the plurality of clamping blocks 31 are arranged in an annular structure at intervals. Preferably, the clamping group 30 is provided with three spaced-apart clamping blocks 31 in the body 10, wherein each clamping block 31 is an arc-shaped block, and each clamping block 31 is axially recessed toward the outer surface of the retainer 20 with a plurality of second arcuate slots 311 arranged in a row, and each of the second arcuate slots 311 and the Corresponding to one of the rolling columns 22 of the holder 20, the rolling columns 22 of the holder 20 are located in one of the first arcuate grooves 14 of the body 10 and the plurality of clamping blocks as shown in FIGS. 4 and 5. Between the corresponding second curved grooves 311 of the 31, the rolling columns 22 are rolled and moved between the corresponding first curved grooves 14 and the second curved grooves 311, and further, each clamping The block 31 has an inner edge protruding radially inwardly from the inner surface of the bottom portion, and a mounting groove 312 is axially recessed on the top surface of the inner edge, and the plurality of clamping blocks 31 are disposed. And 312 are arranged in an annular communication structure type.

As shown in FIG. 2 and FIG. 3 , each clamping block 31 is radially recessed at the bottom with a plurality of spaced apart bead slots 313 , and each bead slot 313 can correspond to at least one guiding slot 15 of the body 10 . A plurality of balls 32 are disposed between the body 10 and the plurality of clamping blocks 31. The balls 32 are disposed between one of the beads 313 and the corresponding guiding groove 15 by Each of the balls 32 moves between the corresponding bead slots 313 and the guiding slots 15 to guide the clamping blocks 31 to move and rotate within the body 10. Preferably, each of the bead slots 313 and the body 10 are The two guiding grooves 15 of the annular spacing arrangement are correspondingly disposed, and the two bead grooves 313 are provided with two spaced apart balls 32. The two balls 32 are respectively disposed in the two corresponding guiding grooves 15, preferably The clamping group 30 is provided with an O-ring in the mounting groove 312 of the plurality of clamping blocks 31. 33. The position of the plurality of clamping blocks 31 in the chamber 13 of the body 10 is maintained by an O-ring 33 located between the plurality of mounting slots 312.

The cover 40 is fixedly coupled to the body 10, so that the holder 20 and the clamping group 30 are disposed between the body 10 and the cover 40, wherein the bottom surface of the cover 40 is as shown in FIG. Abutting the body 10, the holder 20, the rolling columns 22, and the plurality of clamping blocks 31, and the cover plate 40 is provided with a plurality of coupling holes 41 linearly opposite to the locking holes 16 of the body 10. And a plurality of fixing members 42 that are disposed through the plurality of coupling holes 41 and combined with the plurality of locking holes 16 respectively, thereby fixing the cover plate 40 to the body 10, thereby allowing the holder 20 and The clamping group 30 is actuated between the body 10 and the cover 40.

The locking device of the present invention is used, please refer to FIG. 5 and FIG. 6 as shown in FIG. 5 and 6. When an object to be locked (not shown) passes through the sleeve 11 and the chamber 13 , the through hole is pierced. 12, when combined with the body 10, the outer surface of the object to be locked located at the position of the chamber 13 of the body 10 is in contact with and abuts against the clamping blocks 31 of the clamping group 30, due to the respective clips. The clamping block 31 is an arc-shaped block. Therefore, each clamping block 31 abuts against the object to be locked in a surface contact manner, which can greatly increase the friction force required for locking, wherein when the locking is to be locked When the object rotates relative to the body 10, the clamping blocks 31 rotate with the object to be locked. At this time, the rolling columns 22 abutting the second curved grooves 311 are opposite to the clamping blocks 31. The body 10 is rolled to move the respective rolling columns 22 relative to the first arcuate grooves 14 of the body 10, and when the rolling columns 22 are moved to the minimum spacing between the corresponding first curved grooves 14 and the second curved grooves 311 The rolling columns 22 are clamped between the corresponding two arcuate grooves 14, 311, and can no longer be moved and rolled, that is, the clamping blocks 31 can no longer be phased. Turn or move the body 10 can be securely and conveniently locking the object fixed on the locking device.

According to the above technical features, the locking device of the present invention is mainly used to face the object to be locked by surface contact by the clamping blocks 31, which can greatly improve the locking process. Friction force, and is inserted into the corresponding two arcuate grooves 14, 311 through the respective rolling columns 22 The structure type provides a stable locking function, which effectively avoids the problem that the wire contact leads to insufficient friction, and can not effectively lock and affect the processing quality, thereby providing a locking effect for improving the locking effect and improving the processing quality. Further, the locking device of the present invention can pass through the balls 32 located in the corresponding guiding groove 15 and the mounting groove 312, so that the clamping blocks 31 can be stably rotated and moved relative to the body 10, In turn, a guiding effect is provided.

Please refer to FIG. 7 for further cooperation. The locking device of the present invention can be combined with a locking tool holder 50. The locking tool holder 50 is provided with a base 51, two supporting arms 52 and a coupling arm 53. The two supporting arms are provided. 52 is erected and spaced on the top surface of the base 51. The binding arm 53 is combined with the two supporting arms 52 to be located above the base 51. The locking device of the present invention is combined with the binding arm 53 Between the two supporting arms 52, the locking device of the present invention can be used as a locking device for fixing a shank (not shown); further, as shown in FIG. 8, the locking device of the present invention can In combination with a handle 60, one end of the handle 60 is fixedly coupled to the outer surface of the body 10, so that the locking device of the present invention can be used as a function for releasing or locking a lock such as a nut or a bolt. A tight wrench or clamp provides the invention with considerable flexibility.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any one of ordinary skill in the art can use the present invention without departing from the scope of the present invention. Equivalent embodiments of the invention may be made without departing from the technical scope of the present invention.

Claims (10)

A locking device is provided with: a body having a set of holes, a through hole, a chamber and a plurality of first arcuate grooves, the sleeve holes penetrating the top surface of the body, The through hole penetrates through the bottom surface of the body and is opposite to the sleeve hole, and the chamber is disposed inside the body and communicates with the sleeve hole and the through hole, and the plurality of first arc grooves pass through the body The top surface of the body is recessed and connected to the inner surface of the body to form an annular wave structure on the top surface; a holder, the holder is combined with the body and disposed through the sleeve hole In the chamber, the retainer is provided with a plurality of slots arranged in an annular interval and corresponding to the plurality of first arcuate slots of the body, and each slot is formed by a recessed downward direction of the top surface of the retainer. Having each slot being an upwardly facing configuration, the retainer is provided with a rolling column in each slot that can abut against one of the first arcuate slots of the body; a clamping group, the The clamping group is disposed in the housing of the body and is located inside the holder and is provided with a plurality of clamping blocks. The clamping block is an arcuate block and is axially recessed toward the outer surface of the retainer with a plurality of consecutively arranged second arcuate grooves, each of the second arcuate slots and one of the retaining rollers Correspondingly, the rolling columns of the holder are located between one of the first arcuate grooves of the body and the corresponding second arcuate groove of the plurality of clamping blocks, so that the rolling columns are correspondingly Rolling and moving between the first curved slot and the second curved slot; and a cover plate fixedly coupled with the body, thereby the retainer and the clamping group are disposed on the body and the Between the cover plates, wherein the bottom surface of the cover plate abuts the body, the retainer, the rolling columns and the plurality of clamping blocks. The locking device of claim 1, wherein the body is recessed with a plurality of guiding grooves communicating with the chamber, and the plurality of guiding grooves are circumferentially spaced apart from the outer periphery of the through hole. Each of the clamping blocks is radially recessed at the bottom with a plurality of spaced apart bead slots, each bead slot corresponding to at least one guiding slot of the body, and the clamping group is disposed on the body and the plurality of clamping blocks A plurality of balls are disposed between each of the beads and the corresponding guiding groove, and each clamping block is guided by rolling between the corresponding beads and the guiding groove. Move and rotate in the body. The locking device of claim 2, wherein the plurality of guiding grooves of the body are arranged at two annular intervals around the outer periphery of the through hole, and the bead slots of the clamping group are The main body is corresponding to the two guiding grooves of the two annular spacing patterns, and the two bead grooves are provided with two spaced balls, and the two balls are respectively disposed in the two corresponding guiding grooves. The locking device according to any one of claims 1 to 3, wherein each clamping block has an inner edge protruding radially inwardly from an inner surface of the bottom portion, and a concave portion is axially recessed on a top surface of the inner edge. a slot is disposed, and the mounting slots of the plurality of clamping blocks are arranged in an annular and communicating structure, and the clamping group is provided with an O-ring in the mounting slot of the plurality of clamping blocks. An O-ring located between the plurality of mounting slots maintains the plurality of clamping blocks in a position within the body housing. The locking device of claim 4, wherein the body is recessed with a plurality of locking holes at a top surface, and the cover plate is provided with a plurality of coupling holes linearly opposite to the locking holes of the body, and a plurality of a fixing member that is coupled to the plurality of fastening holes and combined with the plurality of locking holes, thereby fixing the cover plate to the body, thereby allowing the holder and the clamping group to be disposed on the body and the body Actuate between the covers. The locking device of claim 5, wherein the two sides of each slot are respectively a curved surface, so that the corresponding rolling column is clamped in the slot. The locking device of claim 6, wherein the locking device is engageable with a locking tool holder as a locking knife device for securing the tool holder. The locking device of claim 6, wherein the locking device can be combined with a handle, and one end of the handle is fixedly coupled with the outer surface of the body, so that the locking device can be used as a A wrench or clamp that is loose or locked with a lock such as a nut or bolt. The locking device of any one of claims 1 to 3, wherein the locking device is engageable with a locking tool holder, such that the locking device can function as a locking knife device for securing the tool holder. The locking device according to any one of claims 1 to 3, wherein the locking device is capable of being combined with a handle, and one end of the handle is fixedly coupled with the outer surface of the body, so that the locking device is It can be used as a wrench or clamp for loosening or locking a lock such as a nut or bolt.