CN109869389B

CN109869389B - Chuck fixing device for locking rod piece

Info

Publication number: CN109869389B
Application number: CN201910184108.3A
Authority: CN
Inventors: 李明贤
Original assignee: Vision Sports Enterprise Co ltd
Current assignee: Vision Sports Enterprise Co ltd
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2021-07-02
Anticipated expiration: 2039-03-12
Also published as: CN109869389A

Abstract

The invention discloses a chuck fixing device for locking a rod piece, which comprises a pipe seat, a C-shaped clamping piece, a connecting rod and a swinging pressure arm, wherein the C-shaped clamping piece is arranged on the pipe seat; the tube seat comprises a main body, wherein the main body is provided with a mounting hole for inserting a rod piece and matching with the rod piece, a plurality of elastic clamping arms and an anti-rotation convex point extend out of one end surface of the main body integrally, at least one elastic clamping arm is convexly provided with a limiting part for axially limiting the C-shaped clamping piece, and the anti-rotation convex point is positioned on the outer side of one elastic clamping arm; the C-shaped clamp is sleeved outside the elastic clamp arms, two connecting parts of the C-shaped clamp are opposite at intervals and form an open slot, and the anti-rotation salient points are positioned in the open slot. Carry out axial spacing to C clamp through utilizing spacing portion, utilize to prevent changeing the salient point and carry out circumference location to C clamp, prevent that C clamp from wide-angle rotation at will, the user only needs inside and outside swing pressure arm can press from both sides tightly or loosen the member, has brought the facility for the dismouting of member to simple structure is firm.

Description

Chuck fixing device for locking rod piece

Technical Field

The invention relates to the technical field of rod piece installation and fixation, in particular to a chuck fixing device for locking a rod piece.

Background

The walking stick, the walking stick and the alpenstock are common walking supporting tools, and the walking stick, the walking stick and the alpenstock at present all adopt a structural mode of split type assembly for the convenience of carrying of the walking stick, the walking stick and the alpenstock. The rod body is a main part of a walking stick, a walking stick and a alpenstock, and is fixed by adopting a fixing device, however, the fixing device for locking the rod piece at present cannot rapidly assemble and disassemble the rod piece, so that inconvenience is brought to use. Therefore, there is a need for an improved rod fixation device.

Disclosure of Invention

In view of the above, the present invention is directed to a chuck fixing device for locking a rod, which can be used to quickly disassemble and assemble the rod, so as to facilitate the use of the rod.

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

a chuck fixing device for locking a rod piece comprises a tube seat, a C-shaped clamp, a connecting rod and a swinging pressure arm; the tube seat comprises a main body, wherein the main body is provided with a mounting hole for inserting a rod piece and matching with the rod piece, a plurality of elastic clamping arms and an anti-rotation convex point integrally extend from one end surface of the main body, the elastic clamping arms are distributed around the periphery of the mounting hole, a limiting part for axially limiting the C-shaped clamping piece is arranged on at least one elastic clamping arm in a protruding manner, and the anti-rotation convex point is positioned on the outer side of one elastic clamping arm; the C-shaped clamp is sleeved outside the elastic clamp arms, two connecting parts of the C-shaped clamp are opposite at intervals and form open slots, the anti-rotation salient points are positioned in the open slots, and each connecting part is provided with a connecting hole; the connecting rod penetrates through the connecting holes of the two connecting parts, one end of the connecting rod is positioned on the outer side of one connecting part, the other end of the connecting rod is hinged to the swinging pressure arm, and the swinging pressure arm can be arranged in a swinging mode and is pressed against the outer side of the other connecting part.

As a preferred scheme, the plurality of elastic clamping arms integrally extend from the bottom end surface of the main body, each elastic clamping arm is provided with an inverted U-shaped groove to form an elastic sheet, the tail end of each elastic clamping arm is convexly provided with a limiting part, and each limiting part abuts against the lower end surface of the C-shaped clamping piece.

Preferably, the lower end surface of the main body is radially expanded to form a limiting ring, and the limiting ring abuts against the upper end surface of the C-shaped clamp.

As a preferred scheme, one end of the connecting rod is provided with a nut section, the nut section is screwed and connected with an adjusting nut, the adjusting nut abuts against the outer side face of a connecting part, the other end of the connecting rod is provided with a pin hole, a pin is inserted into the pin hole, and the pin is connected with the head of the swinging pressing arm.

As a preferable scheme, an accommodating groove for accommodating the swinging pressing arm is formed in the outer side surface of the C-shaped clamping piece.

As a preferable scheme, the connection hole on at least one of the two connection portions is a non-circular hole, and correspondingly, the cross section on the connection rod is a non-circular hole which is positioned in a matched manner with the non-circular hole.

Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:

carry out axial spacing to C clamp through utilizing spacing portion, utilize to prevent changeing the salient point and carry out circumference location to C clamp, prevent that C clamp from wide-angle rotation at will, the user only needs inside and outside swing pressure arm can press from both sides tightly or loosen the member, has brought the facility for the dismouting of member to simple structure is firm.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an assembled perspective view of the preferred embodiment of the present invention;

FIG. 2 is an exploded view of the preferred embodiment of the present invention;

FIG. 3 is a sectional view of the preferred embodiment of the present invention in use;

FIG. 4 is an enlarged view of the socket in the preferred embodiment of the present invention.

The attached drawings indicate the following:

10. tube holder 11, main body

12. Elastic clamping arm 13 and anti-rotation salient points

14. Limiting ring 101 and mounting hole

102. Limiting part 103 and U-shaped groove

104. Spring plate 20 and C-shaped clamp

21. Connecting part 201, open slot

202. Connecting hole 203, receiving groove

30. Connecting rod 31, nut segment

32. Pin hole 40 and swing pressure arm

41. Head 50, rod

61. Adjusting nut 62, a pin.

Detailed Description

Referring to fig. 1 to 4, there is shown a specific structure of a preferred embodiment of the present invention, which includes a socket 10, a C-shaped clip 20, a connecting rod 30 and a swing arm 40.

The tube seat 10 includes a main body 11, the main body 11 has a mounting hole 101 for inserting the rod 50 and adapting to the rod 10, a plurality of elastic clamping arms 12 and an anti-rotation protruding point 13 integrally extend from one end surface of the main body 11, the plurality of elastic clamping arms 12 are arranged around the periphery of the mounting hole 101, at least one elastic clamping arm 12 is convexly provided with a limiting portion 102 for axially limiting the C-shaped clamping member 20, and the anti-rotation protruding point 13 is located at the outer side of one of the elastic clamping arms 12. In this embodiment, the plurality of elastic clamping arms 12 integrally extend from the bottom end surface of the main body 11, each elastic clamping arm 12 is provided with an inverted U-shaped slot 103 to form an elastic sheet 104, the tail end of each elastic clamping arm 12 is provided with a limiting portion 102 in a protruding manner, and each limiting portion 102 abuts against the lower end surface of the C-shaped clamp 20; the lower end surface of the main body 11 is radially expanded to extend out to form a limiting ring 14, and the limiting ring 14 abuts against the upper end surface of the C-shaped clamp 20; the number of the elastic clamping arms 12 is three, the limiting portion 102 is arc-shaped, and the width of the elastic sheet 104 gradually increases from the upper end to the lower end.

The C-shaped clamp 20 is sleeved outside the plurality of elastic clamping arms 12, two connecting portions 21 of the C-shaped clamp 20 are opposite at intervals and form an open slot 201, the anti-rotation salient points 13 are located in the open slot 201 to circumferentially position the C-shaped clamp 20 and prevent the C-shaped clamp 20 from rotating at a large angle at will, and each connecting portion 21 is provided with a connecting hole 202.

The connecting rod 30 passes through the connecting holes 202 of the two connecting parts 21, one end of the connecting rod 30 is positioned outside one connecting part 21, the other end of the connecting rod 30 is hinged with the swinging pressure arm 40, and the swinging pressure arm 40 is swingably arranged and pressed against the outside of the other connecting part 21. In this embodiment, one end of the connecting rod 30 has a nut segment 31, the nut segment 31 is screwed with an adjusting nut 61, the adjusting nut 61 abuts against the outer side surface of a connecting portion 21, the other end of the connecting rod 30 is provided with a pin hole 32, a pin 62 is inserted into the pin hole 32, and the pin 62 is connected with the head portion 41 of the swinging pressing arm 40.

The outer side surface of the C-shaped clamp 20 is provided with a containing groove 203 for containing the swinging pressing arm 40; moreover, the connection hole 202 of at least one connection portion 21 of the two connection portions 21 is a non-circular hole, and correspondingly, the cross section of the connection rod 30 is a non-circular hole which is matched with the non-circular hole for positioning, so as to prevent the connection rod 30 from rotating.

Detailed description the method of use of this example is as follows:

when the clamping device is used, the swinging pressing arm 40 swings outwards, so that the two connecting parts 21 of the C-shaped clamp 20 are separated under the action of elasticity, the elastic clamping arms 12 are also opened, at the moment, the rod 50 is inserted into the mounting hole 101 from among the elastic clamping arms 12, after the rod is inserted in place, the swinging pressing arm 40 swings inwards to place and fix, the two connecting parts 21 of the C-shaped clamp 20 are pressed against and closed by the swinging pressing arm 40, and the elastic clamping arms 12 are also closed to clamp and fix the rod 50.

The design of the invention is characterized in that: carry out axial spacing to C clamp through utilizing spacing portion, utilize to prevent changeing the salient point and carry out circumference location to C clamp, prevent that C clamp from wide-angle rotation at will, the user only needs inside and outside swing pressure arm can press from both sides tightly or loosen the member, has brought the facility for the dismouting of member to simple structure is firm.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. A collet fixture for rod locking, characterized by: comprises a tube seat, a C-shaped clamping piece, a connecting rod and a swinging pressure arm; the tube seat comprises a main body, wherein the main body is provided with a mounting hole for inserting a rod piece and matching with the rod piece, a plurality of elastic clamping arms and an anti-rotation convex point integrally extend from one end surface of the main body, the elastic clamping arms are distributed around the periphery of the mounting hole, a limiting part for axially limiting the C-shaped clamping piece is arranged on at least one elastic clamping arm in a protruding manner, and the anti-rotation convex point is positioned on the outer side of one elastic clamping arm; the C-shaped clamp is sleeved outside the elastic clamp arms, two connecting parts of the C-shaped clamp are opposite at intervals and form open slots, the anti-rotation salient points are positioned in the open slots, and each connecting part is provided with a connecting hole; the connecting rod penetrates through the connecting holes of the two connecting parts, one end of the connecting rod is positioned on the outer side of one connecting part, the other end of the connecting rod is hinged with the swinging pressure arm, and the swinging pressure arm is arranged in a swinging manner and is pressed against the outer side of the other connecting part; the elastic clamping arms integrally extend out of the bottom end face of the main body, each elastic clamping arm is provided with an inverted U-shaped groove to form an elastic sheet, the tail end of each elastic clamping arm is convexly provided with a limiting part, each limiting part abuts against the lower end face of the C-shaped clamping piece, and the width of each elastic sheet is gradually increased from the upper end to the lower end.

2. The collet fixture for a rod lock of claim 1, wherein: the lower end surface of the main body is radially expanded to extend out to form a limiting ring, and the limiting ring abuts against the upper end surface of the C-shaped clamping piece.

3. The collet fixture for a rod lock of claim 1, wherein: the one end of connecting rod has the nut section, and this nut section spiral shell closes and is connected with an adjusting nut, and this adjusting nut supports on the lateral surface of a connecting portion, and this nut section is close to the head of connecting rod, and the head external diameter of this connecting rod is greater than adjusting nut's internal diameter, and the pinhole has been seted up to the other end of this connecting rod, and this pinhole cartridge has the pin, and this pin is connected with the head of swing pressure arm.

4. The collet fixture for a rod lock of claim 1, wherein: and the outer side surface of the C-shaped clamping piece is provided with a containing groove for containing the swinging pressing arm.

5. The collet fixture for a rod lock of claim 1, wherein: the connecting hole on at least one connecting part of the two connecting parts is a non-circular hole, and correspondingly, the cross section on the connecting rod is a non-circular shape matched and positioned with the non-circular hole.