CN213796301U

CN213796301U - Quick draw-in groove locking device

Info

Publication number: CN213796301U
Application number: CN202022600713.5U
Authority: CN
Inventors: 蔡志东; 陈立; 秦斌; 王青山; 陈正雄
Original assignee: Central South University
Current assignee: Central South University
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-07-27
Anticipated expiration: 2030-11-11

Abstract

The utility model provides a quick draw-in groove locking device, including the claw pincers and with the draw-in groove that the claw pincers match, the claw pincers pass through the claw pincers axle and articulate with the head end of adapter, the end of adapter is connected with the head end of claw pincers ejector pin, the rotation handle is installed to the end of claw pincers ejector pin, claw pincers ejector pin and claw pincers all are located the main cavity body, the through-hole that runs through that supplies the claw pincers to stretch out the retraction is opened to the internal portion lateral wall of main cavity body, the internal portion inside wall of main cavity is provided with the internal thread, the anterior outer wall of claw pincers ejector pin is provided with the external screw thread that matches with the internal thread of the main cavity body, through the screw-thread fit of claw pincers ejector pin and the main cavity body, rotatory rotation handle control claw pincers are from stretching out and the retraction that runs through the through-hole, thereby reach the purpose of jam. The invention has simple clamping and convenient processing, and is convenient for realizing quick installation and disassembly.

Description

Quick draw-in groove locking device

Technical Field

The invention belongs to the technical field of clamp design, and particularly relates to a quick clamping groove locking device.

Background

The locking device is generally used for temporarily locking two or more components in a detachable manner, and is generally used in the processing and assembling scenes of workpieces, and the most convenient locking device currently is generally a structure in which a bolt is matched with a nut.

For a long time, the structure of the bolt and the nut which are matched is selected by most users due to the fact that the structure is convenient to operate, low in cost, good in effect and the like, but the process of matching and installing or detaching the bolt and the nut is relatively long in operation time; in addition, the bolt utilizes the body of rod and the hexagon nut cooperation spiro union of seting up the screw thread, because of the nut supports to press the locking article bearing capacity not enough, leads to appearing locking structure not hard up, even the condition that drops occasionally takes place.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a quick clamping groove locking device which is simple in clamping, convenient to process and convenient to realize quick installation and disassembly.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a quick draw-in groove locking device, including claw pincers 2 and draw-in groove 9 with the matching of claw pincers 2, claw pincers 2 are articulated with adapter 4's head end through claw pincers axle 3, adapter 4's end is connected with the head end of claw pincers ejector pin 5, rotation handle 6 is installed to claw pincers ejector pin 5's end, claw pincers ejector pin 5 and claw pincers 2 all are located main cavity body 1, the anterior lateral wall of main cavity body 1 is opened and is supplied claw pincers 2 to stretch out the through-hole that runs through of retraction, the anterior inside wall of main cavity body 1 is provided with the internal thread, the anterior outer wall of claw pincers ejector pin 5 is provided with the external screw thread that matches with the internal thread of main cavity body 1, screw-thread fit through claw pincers ejector pin 5 and main cavity body 1, rotatory rotation handle 6 control claw pincers 2 is from stretching out and retraction that runs through the through-hole, thereby reach the purpose of locking the card.

Furthermore, the claw clamp 2 is composed of two claw clamp blocks, the claw clamp shaft 3 is hinged to the adapter 4 at the same time, and the outer contour of the claw clamp 2 in contact with the main cavity 1 is a smooth curve, so that the claw clamp can be conveniently stretched.

Further, 4 front ends of adapter are equipped with the hinge hole, and are articulated with claw pincers axle 3, and the end is opened has the circular recess, the head end of claw pincers ejector pin 5 be equipped with the circular knot that the circular recess matches realizes adapter 4 and claw pincers ejector pin 5's axial fixity, and circumference free rotation.

The tail of the claw mandril 5 is provided with an axial long hole 51 along the center, the side wall of the claw mandril 5 is provided with an axial sliding groove 52 communicated with the long hole 51, the tail end of the claw mandril 5 is provided with a fan-shaped opening 53, and the rotating handle 6 is movably connected at the fan-shaped opening 53, so that the rotating handle 6 can be turned over.

Further, the invention also comprises a locking rotor 7, wherein the outer side wall of the middle section of the main cavity body 1 is provided with an external thread, a through hole is formed in the middle of the locking rotor 7, an internal thread is arranged on the inner wall of the through hole, the internal thread of the locking rotor 7 is matched with the external thread of the main cavity body 1, and a locked workpiece is pressed through the rotation of the locking rotor 7.

Compared with the prior art, the invention has the beneficial effects that:

(1) each part has simple structure, convenient processing and low cost.

(2) By using the internal hooking mechanism, the workpiece can be clamped and the clamping of the workpiece can be removed without removing the workpiece.

(3) The lever provided by the rotating handle can effectively save labor, does not need other tools, and can clamp the workpiece by hand.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic diagram of the present invention.

Fig. 3 is a schematic view of the claw clamp structure.

Fig. 4 is a schematic structural diagram of an adapter.

Fig. 5 is a schematic structural view of the claw-clamp mandril.

Fig. 6 is a schematic view of a structure of a turning handle.

Fig. 7 is a schematic view of the structure of the main cavity.

Fig. 8 is a schematic view of a locking rotor structure.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the drawings and examples.

As shown in fig. 1 and 2, the present invention is a fast locking device for a clamping groove, which mainly comprises a claw grip 2, a claw grip mandril 5, a main cavity 1 and a clamping groove 9 matched with the claw grip 2.

In a specific structure, referring to fig. 1, 2 and 3, the claw clamp 2 is composed of two claw clamp blocks, the claw clamp shaft 3 is hinged to the head end of the adapter 4 at the same time, and the outer contour of the claw clamp 2 in contact with the main cavity 1 is a smooth curve, so that the claw clamp can be conveniently stretched.

Referring to fig. 1, 2, 4 and 5, the front end of the adapter 4 is provided with a hinge hole hinged to the claw clamp shaft 3, the tail end of the adapter is provided with a circular groove, the head end of the claw clamp ejector rod 5 is provided with a circular buckle matched with the circular groove, so that the adapter 4 and the claw clamp ejector rod 5 are axially fixed and freely rotate in the circumferential direction.

Referring to fig. 1, 2 and 5, the outer wall of the front portion of the claw mandril 5 is provided with an external thread, the tail portion of the claw mandril 5 is provided with an axial long hole 51 along the center, the side wall is provided with an axial sliding groove 52 communicated with the long hole 51, the rotating handle 6 is movably connected with the rotating handle 6, the rotating handle 6 can be inserted into the claw mandril 5 and is convenient to store, and meanwhile, the fan-shaped opening 53 is formed in the tail end of the claw mandril 5, so that the rotating handle 6 can be extended out and folded, and a lever is provided to save labor.

Referring to fig. 1, 2 and 6, the side wall of the rotating handle 6 is provided with two connecting columns, and the rotating handle 6 which can be hidden is used, so that manual locking is convenient and labor-saving.

Referring to fig. 1, 2 and 7, the main cavity 1 is a long cylindrical part, the claw tongs 2, the claw tong shaft 3, the adapter 4 and the claw tong mandril 5 are all located in the main cavity 1, a through hole for the claw tongs 2 to extend and retract is formed in the side wall of the front part of the main cavity 1, and the claw tongs 2 stretch and retract at the through hole. The anterior inside wall of the main cavity body 1 is provided with the internal thread, matches with the external thread of the claw clamp ejector rod 5, and the rotatory handle 6 that rotates can realize the precession and the auto-lock of claw clamp ejector rod 5 in the main cavity body 1, realizes then that control claw clamp 2 follows stretching out and retraction through-hole to reach the purpose of lock card. The outer side wall of the middle section of the main cavity body 1 is provided with an external thread.

When a workpiece is clamped, one end of the claw clamp 2 extends into the clamping groove 9 through the workpiece, the handle 6 is rotated, the claw clamp 2 is extruded out through thread transmission, and the clamping groove 9 is hooked.

Referring to fig. 1, 2 and 8, the present invention further includes a locking rotor 7, a through hole is formed in the middle of the locking rotor 7, an inner thread is formed on the inner wall of the through hole, the inner thread of the locking rotor 7 is matched with the outer thread of the main cavity 1, and a locked workpiece is pressed by the rotation of the locking rotor 7.

Referring to fig. 2, the specific process of locking the workpiece at this time is as follows:

stretch into the draw-in groove with the claw pincers 2 through the work piece, will rotate handle 6 and extract from claw pincers ejector pin 5 and turn over a book, because the spacing of spout, rotate handle 6 can not pulled out, rotatory rotation handle 6, drive the rotation of claw pincers ejector pin 5, under the transmission screw effect of claw pincers ejector pin 5 and main cavity 1 mutually supporting, claw pincers 2 on the claw pincers ejector pin 5 with adapter 4 roof pressure forward, because the smooth curve profile of claw pincers 2 profile and the extrusion of main cavity 1 head, claw pincers 2 will slowly open, reverse catch on draw-in groove 9, at the in-process of locking, through rotating locking rotor 7, compress tightly by the locking work piece.

The same creation is considered to be simply changed and replaced without changing the basic creation content of the present invention. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Other modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the examples shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A quick clamping groove locking device comprises claw tongs (2) and a clamping groove (9) matched with the claw tongs (2), and is characterized in that the claw tongs (2) are hinged with the head end of an adapter (4) through a claw tong shaft (3), the tail end of the adapter (4) is connected with the head end of a claw tong ejector rod (5), a rotating handle (6) is installed at the tail end of the claw tong ejector rod (5), the claw tong ejector rod (5) and the claw tongs (2) are both positioned in a main cavity body (1), a through hole for the claw tongs (2) to extend out and retract is formed in the front side wall of the main cavity body (1), an internal thread is formed in the front inner side wall of the main cavity body (1), an external thread matched with the internal thread of the main cavity body (1) is formed in the front outer wall of the claw tong ejector rod (5), the rotating handle (6) controls the claw tongs (2) to extend out and retract from the through hole, thereby achieving the purpose of locking the card.

2. The quick clamping groove locking device according to claim 1, characterized in that the claw clamp (2) is composed of two claw clamp blocks, the claw clamp shaft (3) is hinged to the adapter (4) at the same time, and the outer contour of the claw clamp (2) contacting with the main cavity (1) is a smooth curve, so that the claw clamp can be conveniently stretched.

3. The quick clamping groove locking device according to claim 1, wherein the front end of the adapter (4) is provided with a hinge hole hinged with the claw clamp shaft (3), the tail end of the adapter is provided with a circular groove, the head end of the claw clamp ejector rod (5) is provided with a circular buckle matched with the circular groove, so that the adapter (4) and the claw clamp ejector rod (5) are axially fixed and can freely rotate in the circumferential direction.

4. The quick clamping groove locking device according to claim 1, wherein an axial long hole (51) is formed in the tail of the claw mandril (5) along the center, an axial sliding groove (52) communicated with the long hole (51) is formed in the side wall of the quick clamping groove locking device, a fan-shaped opening (53) is formed in the tail end of the claw mandril (5), and the rotating handle (6) is movably connected to the fan-shaped opening (53) so that the rotating handle (6) can be turned over.

5. The quick clamping groove locking device according to claim 1, further comprising a locking rotor (7), wherein an external thread is arranged on the outer side wall of the middle section of the main cavity (1), a through hole is formed in the middle of the locking rotor (7), an internal thread is arranged on the inner wall of the through hole, the internal thread of the locking rotor (7) is matched with the external thread of the main cavity (1), and a locked workpiece is compressed through rotation of the locking rotor (7).