JP5712281B1 - Screwdriver tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a screwdriver tool capable of quickly adjusting torque without using another tool. A main body has a sleeve chamber, an upper opening having a relatively large diameter is formed in the sleeve chamber, and a lower opening having a relatively small diameter is formed below. This corresponds to the shape of the sleeve. A plurality of grooves 102 are provided on the annular wall surface of the upper opening of the sleeve chamber 10. By installing the convex edge 20 provided on the side wall surface of the sleeve 2 in the groove portion 102, the sleeve chamber 10 and the sleeve 2 are integrated. [Selection] Figure 1

Description

  The present invention relates to a screwdriver tool.

The torque adjustment method of a tool that limits the current torque, for example, “LOCKABLE TORQUE-LIMITING DRIVER AND METHOD” disclosed in Patent Document 1, is mainly based on the combination of an adjustment plug and a locking plate. The adjuster rotates the lock plate with the finger and simultaneously rotates the adjustment plug to change the coupling between the adjustment plug and the sleeve. After the adjustment is completed, the adjustment torque is fixed by fitting the serrations provided on the body contact portion (Body engaging_portion) of the lock plate to the pair of tips (A pair of prongs) of the sleeve. To do.
In the conventional technique described above, when it is necessary to remove the torque when adjusting the torque, improper adjustment of the lock torque is avoided, and lock torque matching can be realized.

In the invention disclosed in Patent Document 2, "TORQUE LIMITING CLUTH AND ITS USES" is locked inside the housing by a closed block (Close Block) and is adjusted in the main body by adjusting the closed block. It is locked and determines the locking torque of the drive member. In the invention disclosed in Patent Document 3, “TORQUE WRENCH” is installed below the housing of the main body by an adjusting screw, and the lock torque of the socket tool is adjusted by adjusting the adjusting screw. To change.
The second and third prior arts described above are commonly found in commercial products, and the assembly operator does not need to reassemble the tool when adjusting the lock torque.

US Patent No. 7,487,700B2 specification US Pat. No. 5,397,269 US Pat. No. 4,238,978

  An object of the present invention is to provide a screwdriver tool capable of quickly adjusting torque without using another tool.

In order to achieve the above-described object, the screwdriver of the present invention is provided with a plurality of positioning barb teeth above the sleeve and operates in accordance with the positioning pins of the component adjusting unit, and the assembly operator can use his / her fingers. By rotating the component adjustment section, the pressure applied by the compression spring to the upper and lower ratchets is changed, and the fitting state between the upper and lower ratchets is determined to determine the lock torque of the lock shank. .
The screwdriver of the present invention does not need to repeatedly test the degree of torque adjustment by notifying the assembly worker of the adjustment state based on the sound during adjustment.

  The turning tool of the present invention is provided with a plurality of grooves for installing the upper ratchet on the inner wall of the sleeve. The upper ratchet operates in accordance with the sleeve, and locks the component adjusting portion by providing a female screw on the sleeve. The lock torque is limited by adjusting the position of the component adjustment unit.

  The turning tool of the present invention is provided with a plurality of positioning spinous teeth above the sleeve. It is possible to connect the positioning spine teeth and the positioning pin of the component adjusting unit and rotate the component adjusting unit with a finger. When rotating the component adjustment section, when the positioning pin moves the positioning spinous teeth of the sleeve, the adjuster is informed of the degree of torque limit setting. Therefore, the lock torque can be adjusted quickly and accurately without using other tools.

It is a disassembled perspective view which shows the screwdriver tool by one Embodiment of this invention. It is a disassembled perspective view which shows the screwdriver tool by one Embodiment of this invention. It is a top view which shows the screwdriver tool by one Embodiment of this invention. FIG. 4 is a sectional view taken along line AA in FIG. 3. It is a disassembled perspective view which shows the screwdriver tool by one Embodiment of this invention. It is a top view which shows the adjustment component of the screwdriver tool by one Embodiment of this invention. It is the BB sectional view taken on the line of FIG. It is a perspective view which shows the screwdriver tool by one Embodiment of this invention.

  Embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1-4, the structure of the turning tool of this invention is as follows.

  The main body 1 has a sleeve chamber 10, an upper opening portion 100 having a relatively large diameter is formed in the sleeve chamber 10, and a lower opening 101 having a relatively small diameter is formed in the lower portion, whereby the sleeve 1. Corresponds to the shape. A plurality of notches 102 are provided on the annular wall surface of the upper opening of the sleeve chamber 10. By installing the convex edge 20 provided on the side wall surface of the sleeve 2 in the notch 102, the sleeve chamber 10 and the sleeve 2 are integrated. By providing the locking portions 103 on both sides of the side wall of the sleeve chamber 10, the sleeve chamber 10 operates corresponding to the upper lid 11. The upper cover 11 is provided on the main body 1, and the coupling groove 110 of the sleeve chamber 10 is provided on the upper cover 11, thereby determining the position of the sleeve chamber 10. By providing the fitting groove 111 on the inner wall surface of the coupling groove 110 of the upper lid 11 described above, the engaging portion 103 of the sleeve chamber 10 is engaged with the inside of the fitting groove 111. Therefore, the upper lid 11 and the sleeve chamber 10 are securely coupled.

  As shown in FIGS. 1, 2, 4, and 5, a plurality of convex edges 20 are provided on the outer wall surface of the sleeve 2. By installing the convex edge 20 in the notch 102 of the sleeve chamber 10, the sleeve 2 and the sleeve chamber 10 are integrated. An upper opening 21 having a relatively large inner diameter and a lower opening 22 having a relatively small inner diameter are formed in the sleeve 2 and used for installing or penetrating other components. By providing a plurality of notches 23 on the inner wall surface of the sleeve 2, the coupling protrusion bar 41 of the upper ratchet 4 is installed, and the upper ratchet 4 and the sleeve are operated simultaneously. By providing a female screw 24 on the inner wall of the sleeve 2, the component adjusting portion 7 is tightened and locked. Therefore, the effect of limiting the lock torque occurs. A plurality of positioning spinous teeth 25 are provided above the sleeve 20, an upright surface 250 and an inclined surface 251 are provided on the positioning spinous teeth 25, and a truncated surface 252 is formed between the upright surface 250 and the inclined surface 251. Thus, it becomes easy to operate in correspondence with the positioning pin 730 of the component adjustment unit 7. By providing the sleeve 2 with the component chamber 26 (FIG. 4), the upper ratchet 4, the lower ratchet 5, the compression spring 6 and the component adjusting portion 7 are installed.

  As shown in FIGS. 4 and 5, the lock shank 3 is provided with a hexagonal shank portion 30, the shank portion 30 is provided with a C-type folder 31, and a C-type buckle 32 is fitted, whereby an upper ratchet 4 and a lower ratchet 5. Limit the position of the compression spring 6. A lock end 33 is provided at the end of the lock shank 3, and the lock end is formed in a single letter shape, a cross shape, a hexagonal shape, or a star shape.

  As shown in FIGS. 4 and 5, the lock shank 3 is penetrated by providing a through hole 40 in the upper ratchet 4. By providing a plurality of coupled projecting bars 41 on the outer surface and installing the coupled projecting bars 41 in the inner wall notch 23 of the sleeve 2, the upper ratchet 4 is limited to the sleeve 2 and is not rotated. By providing unidirectional barbs 42 at the lower end of the upper ratchet 4, the operation of the lower ratchet 5 is adjusted.

  As shown in FIGS. 4 and 5, the hexagonal shank portion 30 of the lock shank 3 is penetrated by providing a hexagonal through hole 50 in the lower ratchet 5. By fixing the lower ratchet 5 and the shank portion 30 of the lock shank 3 described above, the operation of the lock shank 3 is adjusted. A large ring 51 is provided on the lower ratchet 5, and unidirectional spinous teeth 52 are provided on the upper surface of the large ring 51. The unidirectional spine 52 is fitted to the unidirectional spine 42 of the upper ratchet 4. When normal, the unidirectional spine teeth 52 of the lower ratchet 5 are fully engaged with the unidirectional spine teeth 42 of the upper ratchet 4. When the assembly operator sets the torque value, when operating the screwdriver, the main body 1, the sleeve 2 and each component rotate simultaneously, and a locking operation is performed.

  As shown in FIGS. 4 and 5, the compression spring 6 is provided between the upper ratchet 4 and the component adjusting portion 7, and is used for penetrating the lock shank 3.

As shown in FIGS. 5, 6, and 7, the component adjusting unit 7 is provided with a male screw 70. The male screw 70 and the female screw 24 of the sleeve 2 are screwed together. The magnitude of the torque is changed by changing the coupling position between the component adjusting unit and the sleeve 2. The lock shank 3 is penetrated by providing the component adjustment part 7 with the through hole 71. It provided extending extension portion 72 to the component adjustment unit 7, and a plurality of positioning pins 73 provided on the outside of the extending portion 72, by providing the end 730 end the positioning pin 73, the positioning pins 73 of the component adjusting section 7 The positioning spinous teeth 25 of the sleeve 2 are operated simultaneously. Therefore, the assembly worker can easily turn the component adjusting unit 7 with his / her finger to change the force with which the component adjusting unit 7 is pressed against the compression spring 6, and the compression spring biases the upper ratchet and the lower ratchet. Decide the power and decide the magnitude of the torque.

As shown in FIGS. 4, 5, and 8, when assembling each part, first, the C-shaped buckle 32 of the lock shank 3 and the lock shank 3 are integrated. Next, the lower ratchet 5, the upper ratchet 4, and the compression spring 6 are fitted in this order from above the lock shank 3. Further, the above-described components are installed in the component chamber 26 of the sleeve 2. Further, the coupling protrusion bar 41 of the upper ratchet 4 and the inner wall notch 23 of the sleeve 2 are coupled, so that the upper ratchet 4 is limited to the sleeve 2 and adapted to the operation of the sleeve. Further, the component adjusting unit 7 and the sleeve 2 are locked, and the adjuster can rotate the component adjusting unit 7 simply by turning the extending portion 72 of the component adjusting unit 7. At the same time, the positioning pin 73 of the component adjustment unit 7 makes a sound by moving with the positioning spine teeth 25 of the sleeve, and informs the adjuster of the degree of torque limit setting. Therefore, the lock torque can be adjusted quickly and accurately without using other tools. Finally, the aforementioned parts and the main body are joined, and the upper lid above the main body is closed, whereby the assembly is completed and the torque is adjusted to an appropriate position.

  When the assembly worker locks the internal screw of the golf club head with a screwdriver, as shown in FIG. 4, when the torque is within a set range, the assembly worker turns the tool and the golf club by the lock shank. The head screw can be locked. When the assembly worker wants to set the lock higher than the torque value, the upper ratchet 4 is given a force to move upward, and when the compression spring 6 is pushed in, the upper ratchet 4 and the lower ratchet 5 are separated. Even if the assembly worker turns the tool and continuously rotates the main body and the sleeve, the upper ratchet 4 and the lower ratchet 5 are separated, so that the lower ratchet 5 and the lock shank 3 are detached from the driving power source of the upper ratchet. . Therefore, the state where the lock shank does not rotate is maintained, and the screw of the golf club head to be locked is protected, so that the influence on the balance when the ball is hit with the head can be avoided.

1 body,
10 sleeve chamber,
100 upper opening,
101 lower opening,
102 groove,
103 locking part,
11 Upper lid,
110 coupling groove,
111 mating groove,
2 sleeve,
20 Convex edge,
21 upper opening,
22 lower opening,
23 groove,
24 female thread,
25 positioning spinous teeth,
250 upright,
251 inclined surface,
252 The top face,
26 Parts room,
3 Rock shank,
30 Shank,
31 C type folder,
32 C type buckle,
33 Lock end,
4 Upper ratchet,
40 through holes,
41 coupling protrusion rod,
42 unidirectional spinous teeth,
5 Lower ratchet,
50 through holes,
51 large ring,
52 unidirectional spinous teeth,
6 Compression spring,
7 Parts adjustment section,
70 male thread,
71 through hole,
72 stretched part,
73 Locating pin,
730 the end of the end.

Claims (4)

A kind of tool,
It has a main body, sleeve, lock shank, upper ratchet, lower ratchet, compression spring, and parts adjustment part,
The main body has a sleeve chamber used for installing the sleeve, the sleeve chamber is provided with a locking portion that can be coupled to an upper lid, and the sleeve chamber is provided with a plurality of notches. The sleeve is positioned by coupling with the projecting rod, and the upper cover is provided with a coupling groove for installing the sleeve chamber, and the upper lid is engaged with the engaging portion of the sleeve chamber. Is provided,
The sleeve has a plurality of convex edges for installing the sleeve chamber in the plurality of notches, and an engagement protruding bar of the upper ratchet is provided in the plurality of notches on the inner wall of the sleeve, A female screw for tightening and locking the component adjusting portion is provided on the inner wall, and a plurality of positioning spinous teeth for operating the component adjusting portion are provided above, a lower ratchet, an upper ratchet, a compression spring, and It has a parts room where the parts adjustment section is installed,
The lock shank has a shank portion, a C-type folder for fitting a C-type buckle to the shank portion is provided, and a lock end is provided at the end,
The upper ratchet has a through-hole penetrating the lock shank, and is provided in the notch of the sleeve by a plurality of engaging protruding bars provided on the outer surface, and the lower ratchet Unidirectional spine teeth that can be fitted to the unidirectional spine teeth are provided,
The lower ratchet has a through hole that penetrates the shank portion of the lock shank.
Has a large ring providing a unidirectional spiny teeth of the lower ratchet by unidirectional spiny teeth of the lower ratchet, bite into the unidirectional spiny teeth of the upper ratchet,
The compression spring is provided between the upper ratchet and the component adjusting portion, the lock shank is penetrated, and generates an urging force for fitting the upper ratchet and the lower ratchet. and,
The component adjusting section has an external thread, screwed into the internal thread of the sleeve by the external thread has a through hole that penetrate through the locking shank, extending Shin portion in which a plurality of positioning pins on the outside is provided the a, and adjusting unit is provided on the extending portion, Ri adjustable der parts by moving the adjusting unit, by the positioning pin is moved by a plurality of the positioning spiny teeth of the sleeve Screwdriver characterized by producing sound .   The screwdriver according to claim 1, wherein the positioning spinous teeth of the sleeve have an upright surface and an inclined surface, and a truncated surface between the upright surface and the inclined surface. Driving tool according to claim 1, characterized in that the end edge is formed with the positioning pins of the component adjusting section.   2. The screw according to claim 1, wherein when the positioning pin of the component adjusting unit moves the positioning spinous teeth of the sleeve, the adjuster is notified of a setting value of torque adjustment by making a sound. Turning tool.

Images