CN-117300930-B - Positioning device

Abstract

The invention relates to a positioning device which comprises a base, a clamping component and an adjusting component, wherein the base comprises a plurality of through holes and a chute, the clamping component is arranged in the chute and comprises a first clamping block and a second clamping block, the adjusting component comprises a first driving rod, a second driving rod and at least one rotating rod, the first driving rod comprises a first threaded section and a first bevel gear, the second driving rod comprises a second threaded section and a second bevel gear, the first clamping block and the second clamping block are respectively arranged on the first threaded section and the second threaded section, each rotating rod comprises a third bevel gear, and the third bevel gear is respectively meshed with the first bevel gear and the second bevel gear.

Inventors

• LIN CHANGYI
• LIN CHANGZHI

Assignees

• 林长毅
• 林长志

Dates

Publication Date

20260508

Application Date

20230424

Priority Date

20220629

Claims (9)

1. 1.A positioning device, characterized by comprising: a base including a plurality of through holes and a chute extending along a first direction; a clamping assembly disposed in the chute and including a first clamping block and a second clamping block, the first clamping block and the second clamping block being movable relative to at least one through hole along the first direction between a locking position and a releasing position, respectively The adjusting component comprises a first driving rod, a second driving rod and at least one rotating rod, wherein the at least one rotating rod is rotatably arranged on the base, the first driving rod and the second driving rod are respectively rotatably arranged on the sliding groove, the first driving rod comprises a first thread section and a first bevel gear, the second driving rod comprises a second thread section and a second bevel gear, the first clamping block and the second clamping block are respectively arranged on the first thread section and the second thread section, each rotating rod comprises a third bevel gear, and the third bevel gear is respectively meshed with the first bevel gear and the second bevel gear so that the rotating rod can drive the first driving rod and the second driving rod to rotate; wherein each through hole extends along an axial direction, the axial direction is transverse to the first direction, the first direction is transverse to a second direction, the plurality of through holes are at least partially arranged at the corners of the chute, and each through hole is communicated with the chute; The first clamping block comprises at least one first clamping part, and the second clamping block comprises at least one second clamping part; when the first clamping block and the second clamping block are respectively at the locking position, each first clamping part and each second clamping part respectively protrude into one of the through holes and are used for being clamped into a concave groove of a bolt rod positioned in the through hole; The first clamping block comprises two first clamping parts, the first clamping block is provided with one first clamping part at the corner of one side far away from the first bevel gear and at two opposite sides in the second direction, the second clamping block comprises two second clamping parts, and the second clamping block is provided with one second clamping part at the corner of one side far away from the second bevel gear and at two opposite sides in the second direction.
2. 2. The positioning device of claim 1, wherein the first bevel gear and the second bevel gear are disposed opposite each other at intervals in the first direction, and the third bevel gear of the at least one rotating rod is engaged between the first bevel gear and the second bevel gear.
3. 3. The positioning device of claim 2, wherein the adjusting assembly comprises a plurality of rotating rods, the third bevel gear of each rotating rod is positioned between the first bevel gear and the second bevel gear and is meshed with the difference between the first bevel gear and the second bevel gear respectively.
4. 4. The positioning device of claim 1, wherein each of the first engaging portions and each of the second engaging portions has an arcuate concave surface facing one of the through holes.
5. 5. The positioning device of claim 4, wherein each of the first engaging portions and each of the second engaging portions are wedge-shaped and each of the first engaging portions further comprises a first inclined surface and a second inclined surface disposed on opposite sides of the axial direction, the arc concave surface is disposed between the first inclined surface and the second inclined surface, and the first inclined surface and the second inclined surface are gradually approaching to each other in a direction of the arc concave surface.
6. 6. The positioning device of claim 1, further comprising a plurality of positioning rings disposed in the plurality of through holes, wherein a circumferential wall of each positioning ring is provided with a through slot, the through slot is communicated with the through hole and the chute, and each of the first locking portion and the second locking portion is respectively capable of passing through the through slot of one of the positioning rings.
7. 7. The positioning device of claim 1, wherein the base further comprises a first shaft hole and a blocking member, the first shaft hole is communicated with the sliding groove and the outside, the adjusting assembly further comprises a shaft member, the shaft member penetrates through the first shaft hole and at least one of the first driving rod and the second driving rod, the at least one of the first driving rod and the second driving rod can rotate relative to the shaft member, and the blocking member covers the first shaft hole and is located between the outside and the sliding groove.
8. 8. The positioning device of claim 1, further comprising at least one limiting component, wherein the base further comprises at least one hole extending along the second direction, each hole is communicated with the chute and the outside, the at least one rotating rod is rotatably arranged in the at least one hole, each limiting component comprises a limiting piece and a gasket, the at least one limiting piece is detachably arranged at one end part of the at least one hole away from the chute, the at least one rotating rod can be clamped against the at least one limiting piece in the second direction, and the gasket is abutted between the limiting piece and the rotating rod.
9. 9. The positioning device of claim 4, wherein the first thread section and the second thread section are opposite in spiral direction, the first bevel gear and the second bevel gear are arranged in a first direction at intervals, the third bevel gear of the at least one rotating rod is engaged between the first bevel gear and the second bevel gear, the adjusting component comprises a plurality of rotating rods, the third bevel gear of each rotating rod is positioned between the first bevel gear and the second bevel gear and is engaged with the position opposite to the first bevel gear and the second bevel gear respectively, at least the second rotating rod is coaxially arranged, the first driving rod and the second driving rod are coaxially arranged in the first direction, the at least the second rotating rod is transversely arranged in the first direction, the positioning device further comprises a plurality of positioning rings which are respectively arranged in the plurality of through holes, a circumferential wall of each positioning ring is provided with a through groove which is communicated with the through hole and the through groove, each clamping part which is arranged, the first clamping part and the second clamping part which is coaxially arranged between the first clamping part and the second clamping part which is coaxially arranged, the first stopping part and the second stopping part which is coaxially arranged, the first driving rod and the second stopping part which is coaxially arranged with the first shaft hole and the second stopping part which is coaxially arranged, the first stopping part is coaxially arranged with the first shaft hole and the first shaft hole, the positioning device comprises a base, a first driving rod, a second shaft hole, a shaft piece, at least one limiting component, a gasket, a C-shaped buckle, a washer and a tool, wherein the base further comprises at least one containing hole extending along the second direction, each containing hole is communicated with the sliding groove and the outside, the at least one rotating rod is rotatably arranged in the at least one containing hole, each limiting component comprises a limiting piece and a gasket, the at least one limiting piece is detachably arranged at one end part of the at least one containing hole far away from the sliding groove, the at least one rotating rod can be clamped against the at least one limiting piece in the second direction, the gasket is abutted between the limiting piece and the rotating rod, the limiting piece is a washer, one end of each rotating rod corresponding to the washer is provided with a combining part, the combining part is used for combining a tool, the base comprises two containing holes, the two containing holes are arranged at intervals in the second direction, and each rotating rod is arranged in one containing hole.

Description

Positioning device Technical Field The present invention relates to a positioning device. Background In the conventional positioning device, for example, taiwan patent No. I720854, a guide post is screwed on the guide post channel, and a first tapered guide surface of the guide post moves axially to radially push against a plurality of steel balls to drive a first locking member and a second locking member to lock the first locking member and the second locking member. However, in the conventional positioning device, the guide post pushes the plurality of steel balls and the plurality of steel balls push the first and second clamping members to be in point-to-point contact, so that uneven stress is easily caused in the pushing process, and the first and second clamping members are easily deflected, so that the first and second inserting posts cannot be smoothly moved and cannot be firmly clamped. Therefore, there is a need to provide a novel and advanced positioning device to solve the above-mentioned problems. Disclosure of Invention The main objective of the present invention is to provide a positioning device that can stably drive a first clamping block and a second clamping block to move relatively and have an average stress. The invention provides a positioning device, comprising a base, a clamping component, an adjusting component and a positioning device, wherein the base comprises a plurality of through holes and a chute extending along a first direction, the clamping component is arranged in the chute and comprises a first clamping block and a second clamping block, the first clamping block and the second clamping block can respectively move between a locking position and a releasing position along the first direction relative to at least one through hole, the adjusting component comprises a first driving rod, a second driving rod and at least one rotating rod, the at least one rotating rod is rotatably arranged on the base, the first driving rod and the second driving rod are respectively rotatably arranged on the chute, the first driving rod comprises a first threaded section and a first bevel gear, the second driving rod comprises a second threaded section and a second bevel gear, the first clamping block and the second clamping block are respectively arranged on the first threaded section and the second threaded section, each rotating rod comprises a third bevel gear, the third bevel gear is respectively engaged with the first bevel gear and the second bevel gear in the first clamping block and the second clamping block along the first direction, the first clamping rod and the second clamping block can respectively axially engage with each other when at least one through hole is formed in the first axial direction and the chute, the first clamping rod and the second clamping block is respectively engaged with each other, the first clamping rod and the first clamping block is rotatably arranged on the chute, the first clamping rod and the first clamping block is respectively arranged on the first clamping rod and the chute, and the second clamping rod is respectively in the axial direction, when the first clamping block and the second clamping block are respectively at the release positions, the first clamping block and the second clamping block are respectively separated from the concave groove of the bolt, wherein the first clamping block comprises two first clamping parts, the first clamping block is respectively provided with the first clamping part at the corner of the opposite sides of the side far away from the first bevel gear and in the second direction, the second clamping block comprises two second clamping parts, and the second clamping block is respectively provided with the second clamping part at the corner of the opposite sides of the side far away from the second bevel gear and in the second direction. The first bevel gear and the second bevel gear are oppositely arranged at intervals in the first direction, and the third bevel gear of the at least one rotating rod is meshed between the first bevel gear and the second bevel gear. The adjusting component comprises a plurality of rotating rods, the third bevel gear of each rotating rod is positioned between the first bevel gear and the second bevel gear and is respectively meshed with the different positions of the first bevel gear and the second bevel gear. Each first clamping part and each second clamping part are respectively provided with an arc concave surface facing one of the through holes. Each first clamping part and each second clamping part are wedge-shaped and respectively comprise a first inclined plane and a second inclined plane which are arranged on two opposite sides of the axial direction, the arc concave surface is arranged between the first inclined plane and the second inclined plane, and the first inclined plane and the second inclined plane are gradually close to each other towards the direction of the arc c