TWM628689U - Safety quick release device - Google Patents

Abstract

A safety quick release device has a body, the body has a first end and a second end along an axial direction, the first end is provided with an insertion hole for inserting a sub-tool bit, and the body has a first end In the connecting part, a sliding sleeve is slidably sleeved on the main body between the first end and the first connecting part, and a clamping component is arranged between the sliding sleeve and the main body for the screwdriver tool when the sliding sleeve is in a clamping position. When the head is positioned in the socket, and the sliding sleeve is located at a disengaged position, the bit of the driver tool can be detached from the socket, and a stopper is movably sleeved on the body, and the stopper has a joint which is matched with the first connecting portion. For the second connecting part, when the stopper is located at a first position and abuts against the sliding sleeve, the sliding sleeve is located at the clamping position and is in a positioning state; when the stopper is located at a second position and away from the sliding sleeve, the sliding sleeve The sleeve can be moved between a latched position and a disengaged position.

Description

Safety quick release device

This creation is related to hand tools, especially a safety quick release device to prevent accidental falling off of electric and pneumatic screwdriver tool heads.

There are various types of screwdriver tool bits for pneumatic and electric hand tools to cope with different working environments. Users choose the appropriate screwdriver tool bit to install on the pneumatic and electric hand tool equipment for operation, and the screwdriver that is not currently used. The tool heads are respectively equipped with a quick-release device, and the quick-release device can be provided with a ring, and the rings are strung together, which has the function of being convenient to carry.

However, it is known that the quick release device is not provided with a safety mechanism to prevent the driver tool bit from being detached from the quick release device due to accidents. Therefore, if the sliding sleeve on the quick release device is accidentally touched to cause the sliding sleeve to move, the device installed in the quick release device will be moved. The driver bit on the device is detached from the quick release device, resulting in an accident of smashing and hurting people, and the user does not notice the detachment of the driver bit, which will lead to an increase in the loss rate of the driver bit.

In view of this, how to solve the above problems is the primary issue that this creation intends to solve.

The main purpose of the present invention is to provide a safety quick release device, which has a stopper that can reliably abut on the sliding sleeve, so that the sliding sleeve cannot move and limit the displacement stroke of the bit of the screwdriver, thereby preventing the screwdriver from accidentally touching the sliding sleeve and causing the screwdriver to move. The tool head falls off the body, which has the effect of reducing the loss rate.

In order to achieve the aforementioned purpose, this creation provides a safety quick release device, including: a body extending in an axial direction and having a first end and a second end opposite to the first end, the first end is recessed inward in the axial direction with an insertion hole, and the insertion hole can be inserted together a sub-tool head, the main body has a first connecting part between the first end and the second end; A sliding sleeve, the sliding sleeve is arranged on the main body between the first end and the first connecting portion, the sliding sleeve can slide along the main body between a clamping position and a disengaging position, and the sliding sleeve A latching element is arranged between the main body. When the sliding sleeve is in the clamping position, it will force the latching element and the screwdriver bit located in the socket to form a latching positioning state, and when the sliding sleeve is in the clamping position When it is in the disengaged position, the clamping and positioning state of the clamping component to the bit of the bit will be released; A stopper has a second connection part matched with the first connection part, the stopper is movably sleeved on the first connection part, so that the stopper can be connected to a first connection part along the first connection part It moves between a position and a second position. When the blocking member is located at the first position, the blocking member will abut against the sliding sleeve located at the clamping position, so that the sliding sleeve is positioned at the clamping position. position; and when the stopper is at the second position, a sliding space is formed between the stopper and the sliding sleeve located at the clamping position, for the sliding sleeve to slide from the clamping position to the sliding sleeve. out of position.

Preferably, the body is provided with a first buckle between the first connecting portion and the second end to limit the travel of the blocking member moving in the direction of the second end to avoid the second connecting portion of the blocking member separate from the first connection.

Preferably, the first connecting portion and the second connecting portion are respectively formed by screw segments that can be screwed together.

Preferably, the second end of the main body has a hanging portion in the shape of a hole that penetrates radially therethrough.

Preferably, the second end of the main body has a connecting rod extending axially outward for a predetermined length.

The above objectives and advantages of the present invention can be easily understood from the detailed description and accompanying drawings of the following selected embodiments.

First of all, please refer to Figures 1 to 5, which are the first embodiment of the safety quick release device provided for this creation, which consists of a main body 1, a sliding sleeve 2 and a stopper 3, wherein:

The main body 1 extends along an axial direction and has a first end 11 and a second end 12 opposite to the first end 11 . The first end 11 is axially recessed toward the second end 12 with a socket 13 , can be inserted into a bit 6, the bit 6 is provided with a ring recess 61, the main body 1 has a first connecting part 14 between the first end 11 and the second end 12, the main body 1. A first loop 15 is provided between the first connecting portion 14 and the second end 12, and the body 1 is provided with a second loop 16 between the first end 11 and the first connecting portion 14 , In this embodiment, the second buckle 16 and the first buckle 15 are both a C-shaped buckle, and the body 1 is radially provided with two opposite through holes 17 connected to the insertion hole 13 on its outer peripheral wall , the hole diameter of the two through holes 17 on the inner wall of the insertion hole 13 is smaller than the hole diameter in the main body 1, so that the two holes 17 can be respectively accommodated by a first positioning bead 41 and a second positioning bead 42, and the Parts of the first positioning bead 41 and the second positioning bead 42 can protrude into the insertion hole 13 so as not to fall off into the insertion hole 13 from the two through holes 17 .

The sliding sleeve 2 is in the shape of a hollow column, and is slidably disposed on the main body 1 between the second ring buckle 16 and the first connecting portion 14 , and the sliding sleeve 2 can be clamped along the main body 1 on a Sliding between the position D1 and a disengaged position D2, the sliding sleeve 2 is provided with a ring groove 21 on its inner peripheral wall. The catch assembly is composed of the first positioning ball 41 , the second positioning ball 42 and a compression spring 5 , through which the sliding sleeve 2 can be continuously pressed against the second ring buckle 16 under normal conditions through the compression spring 5 . At the clamping position D1, at this time, the first positioning ball 41 and the second positioning ball 42 abut against the inner wall of the sliding sleeve 2 on one side away from the insertion hole 13, and when the When the sliding sleeve 2 slides toward the second end 12 to the disengaged position D2, the ring groove 21 and the two through holes 17 are disposed opposite to each other, so that the first positioning bead 41 and the second positioning bead 42 can be respectively corresponding to The through hole 17 falls into the annular groove 21 .

The blocking member 3 is sleeved on the main body 1 and has a second connecting portion 31 matched with the first connecting portion 14 . In this embodiment, the first connecting portion 14 and the second connecting portion 31 They are respectively composed of thread segments that can be screwed with each other, so that the stopper 3 can be movably sleeved on the first connecting portion 14 and can be in a first position P1 and a second position along the first connecting portion 14 When moving between P2, when the blocking member 3 is located at the first position P1, the blocking member 3 will abut against the sliding sleeve 2 at the clamping position D1, so that the sliding sleeve 2 is positioned at the clamping position D1. position D1; and when the blocking member 3 is located at the second position P2, a sliding space 32 is formed between the blocking member 3 and the sliding sleeve 2 located at the locking position D1 (as shown in Fig. 4), The sliding sleeve 2 can be slid from the securing position D1 to the disengaging position D2.

In addition, in the first embodiment, as shown in FIG. 1 , the second end 12 has a hanging portion 121 penetrating radially in the shape of a hole for hanging a ring 7 and passing through the hanging portion 121 The arrangement enables the ring 7 to string together safety quick-release devices of various specifications, and has the function of being convenient to carry. As shown in FIG. 6 , in the second embodiment of the safety quick release device provided by the present invention, in the second embodiment, the second end 12 has a connecting rod 121b extending axially outward for a predetermined length , the connecting rod 121b can be assembled on a pneumatic or electric hand tool equipment (not shown in the figure).

In the present invention, in practice, when the driver bit 6 is inserted into the socket 13, the first positioning ball 41 and the second positioning ball 42 abut against the sliding sleeve 2 on one side away from the socket 13, respectively. on the inner wall, and the protruding part of the first positioning bead 41 and the second positioning bead 42 into the socket 13 abuts against the annular recess 61 of the driver bit 6 , so that the driver bit 6 can be Positioned in the socket 13, then as shown in Figure 3, by moving the stopper 3 from the second position P2 to the first position P1, a sliding space for the sliding sleeve 2 to slide 32 disappears, the blocking member 3 is relatively abutted on the sliding sleeve 2 at the locking position D1, so that the sliding sleeve 2 is positioned at the locking position D1, whereby the sliding sleeve 2 cannot move toward the second end 12 slides to the disengaged position D2 to limit the movement of the sliding sleeve 2 , thereby preventing the driver tool bit 6 from falling out of the socket 13 by accidentally touching the sliding sleeve 2 and causing it to move.

As shown in FIG. 4 , to replace the bit 6 of the driver, it is only necessary to move the stopper 3 from the first position P1 to the second position P2, so that the stopper 3 is aligned with the stopper 3 located at the locking position D1. The sliding space 32 is formed between the sliding sleeves 2 , whereby the sliding sleeve 2 is in a sliding state and can move toward the second end 12 .

As shown in FIG. 5 , when the sliding sleeve 2 slides toward the second end 12 and is located at the disengaged position D2 , the annular groove 21 and the two through holes 17 are arranged opposite to each other to enable the first positioning The bead 41 and the second positioning bead 42 can be respectively dropped into the annular groove 21 through the corresponding through holes 17 , so that the driver bit 6 can be disengaged from the insertion hole 13 for replacement.

It should be noted that the blocking member 3 is blocked by the first ring buckle 15, so that the blocking member 3 can be prevented from retreating too much in the process of retreating in the direction of the second end 12. As a result, the second connecting portion 31 is separated from the first connecting portion 14 , whereby the blocking member 3 is not separated from the body 1 .

With the above-mentioned safety quick release device provided by the present invention, the stopper 3 is positioned at the first position P1 and abuts against the sliding sleeve 2, so that the sliding sleeve 2 is positioned at the locking position D1 to be positioned. In this state, the sliding sleeve 2 can be prevented from moving due to accidental contact with the sliding sleeve 2, thereby ensuring that the driver tool bit 6 does not fall off from the main body 1, which can effectively reduce the loss rate and prevent falling off. the hazard caused.

The disclosure of the above embodiments is only used to illustrate the present invention, not to limit the present invention. Therefore, any changes in numerical values or replacement of equivalent components should still belong to the scope of the present invention.

To sum up, to make it clear to those who are familiar with the art that this creation can indeed achieve the above-mentioned purpose, it is in compliance with the provisions of the Patent Law, so the application is filed in accordance with the law.

1: Ontology 11: First End 12: Second end 121: hanging department 13: Jack 14: The first connecting part 15: The first buckle 16: Second ring buckle 17: Perforation 2: sliding sleeve 21: Ring groove 3: Stopper 31: Second connecting part 32: Slip Space 41: The first positioning bead 42: Second positioning bead 5: Compression spring 6: screwdriver tool head 61: Ring recess 7: Ring 121b: Post P1: first position P2: Second position D1: Clamping position D2: disengaged position

FIG. 1 is a three-dimensional schematic diagram of the first embodiment of the creation. Figure 2 is an exploded view of the first embodiment of the creation. Figures 3 to 5 are schematic diagrams of the operation of the first embodiment of the creation. FIG. 6 is a three-dimensional schematic diagram of the second embodiment of the creation.

1: Ontology

11: First End

12: Second end

121: hanging department

13: Jack

14: The first connecting part

15: The first buckle

16: Second ring buckle

2: sliding sleeve

3: Stopper

7: Ring

Claims (5)

A safety quick release device, comprising: a body extending in an axial direction and having a first end and a second end opposite to the first end, the first end is recessed inward in the axial direction with an insertion hole, and the insertion hole can be inserted together a sub-tool head, the main body has a first connecting part between the first end and the second end; A sliding sleeve, the sliding sleeve is arranged on the main body between the first end and the first connecting portion, the sliding sleeve can slide along the main body between a clamping position and a disengaging position, and the sliding sleeve A latching element is arranged between the main body. When the sliding sleeve is in the clamping position, it will force the latching element and the screwdriver bit located in the socket to form a latching positioning state, and when the sliding sleeve is in the clamping position When it is in the disengaged position, the clamping and positioning state of the clamping component to the bit of the bit will be released; A stopper has a second connection part matched with the first connection part, the stopper is movably sleeved on the first connection part, so that the stopper can be connected to a first connection part along the first connection part It moves between a position and a second position. When the blocking member is located at the first position, the blocking member will abut against the sliding sleeve located at the clamping position, so that the sliding sleeve is positioned at the clamping position. position; and when the stopper is at the second position, a sliding space is formed between the stopper and the sliding sleeve located at the clamping position, for the sliding sleeve to slide from the clamping position to the sliding sleeve. out of position. The safety quick-release device as claimed in claim 1, wherein the body is provided with a first buckle between the first connecting portion and the second end, and the first buckle is used to restrict the blocking member from moving toward the first The stroke of the movement in the direction of the two ends avoids the separation of the second connecting portion of the blocking member from the first connecting portion. The safety quick-release device as claimed in claim 1, wherein the first connecting portion and the second connecting portion are respectively constituted by threaded segments that can be screwed with each other. The safety quick-release device as claimed in claim 1, wherein the second end of the main body has a hanging portion which is radially penetrated and is in the shape of a hole. The safety quick release device as claimed in claim 1, wherein the second end of the main body has a connecting rod extending outward in the axial direction by a predetermined length.

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