TWI793994B - Ratchet wrench that capable of adapting various tool bits - Google Patents

Abstract

A ratchet wrench includes a body and an adapter. The body includes a handle and a ratchet head pivotally connected to the handle about a rotating axis. One end of the ratchet head along the rotating axis is provided with a first driving hole, which is in the shape of a hexagonal hole. A distance between the two opposite surfaces in the first driving hole forms a first width. One end of the adapter is provided with a connecting portion inserted into the first driving hole. Another end of the adapter opposite to the ratchet head is provided with a second driving hole, which is in the shape of a hexagonal hole. A distance between the two opposite surfaces in the second driving hole forms a second width. The first width is equal to 1/ 4 inches, and the second width is equal to 5/16 inches. Thus, the ratchet wrench can adapt to various tool bits.

Description

Ratchet wrench that can be converted to various specifications of tool heads

The present invention mainly discloses a ratchet wrench, especially a ratchet wrench that can be connected with tool heads of various specifications.

Please refer to the patent case of "Sleeve-type adapter tool with quick-release device" in Chinese patent No. M566129, which is a sleeve-type adapter tool with quick-release device. The first socket hole of the first tool is socketed, and the second socket hole is provided at the second end for socketing of the second tool. The quick release device is provided at the lateral axial position of the second socket hole A slotted hole, a positioning piece that can move radially and laterally is placed at the radial position between the slotted hole and the second socket hole, and the positioning piece protrudes out of the second socket hole, and an elastic piece And a pressure rod is put in the slot, the pressure rod is provided with a retracted part and abutment top corresponding to the positioning part on one side, and an axial guide part is provided on the other side, so that the pressure rod can limit Sliding action located in the slot.

However, the first tool is only used to connect the sleeve. Even through the above-mentioned adapter tool, the first tool can only be used for one more specification tool, and the scope of application is still insufficient.

In view of the lack of the above-mentioned conventional structure, the inventor has designed a ratchet wrench which can be switched to tool heads of various specifications, which can overcome all the shortcomings of the above-mentioned conventional structure.

The main purpose of this invention is to provide a ratchet wrench with a body and an adapter, the body includes a handle and a ratchet head, and the ratchet head can rotate in a virtual The shaft is pivotally arranged on the handle with relative rotation. The ratchet head is provided with a first driving hole along the axial end of the rotating shaft. The first driving hole is in the shape of a hexagonal hole. Two opposite surfaces in the first driving hole The distance between them forms a first width, and one end of the adapter is provided with a connecting part, which is plugged into the first drive in such a way that the adapter can rotate synchronously with the ratchet head. hole, the end of the adapter opposite to the ratchet head is provided with a second driving hole, the second driving hole is in the shape of a hexagonal hole, and the distance between two opposite surfaces in the second driving hole forms a second width, The first width is equal to 1/4 inch, and the second width is equal to 5/16 inch. The ratchet wrench can be transferred to tool heads of various specifications through the above structure.

The end of the ratchet head opposite to the first driving hole is provided with a driving part, the driving part protrudes from the outer peripheral edge of the handle, the driving part extends axially along the rotating shaft, and the driving part extends radially along the rotating shaft The cross-sectional shape is quadrangular.

The connecting portion extends axially along the rotating shaft, and the cross-sectional shape of the connecting portion along the radial direction of the rotating shaft is hexagonal.

The outer periphery of one end of the ratchet head where the first drive hole is set is provided with a ring protrusion, and the ring protrusion surrounds the first drive hole. When the connecting part is inserted into the first drive hole, the adapter will abut on the convex portion of the ring.

The shape of the outer peripheral edge of the annular protrusion along the radial direction of the rotating shaft is circular, the width of the annular protrusion along the radial direction of the rotating shaft forms a first outer diameter, and the outer peripheral edge of the adapter along the radial direction of the rotating shaft A gripping portion is provided, the width of the gripping portion along the radial direction of the rotating shaft forms a second outer diameter, the first outer diameter is smaller than the second outer diameter, and there is a gap between the connecting portion and the gripping portion A shoulder, when the connecting portion is plugged into the first driving hole, the shoulder leans against the ring protrusion.

The ratchet head is provided with a ring tooth portion along the radial outer periphery of the rotating shaft, and the ring tooth portion is arranged between the two ends of the ratchet head along the axial direction of the rotating shaft. The width of forms a third outer diameter, and the second outer diameter is smaller than the third outer diameter.

Other objects, advantages and novelties of the present invention will be more apparent from the following detailed description and associated drawings.

Regarding the technology, means and effects used in the present invention, a preferred embodiment is given and described in detail below with the drawings. This is for illustration only, and is not limited by this structure in the patent application.

Referring to Fig. 1 to Fig. 5, it is a three-dimensional appearance view, three-dimensional exploded view, sectional structure view and plane appearance view of the ratchet wrench which can be transferred to various specifications of tool heads according to the present invention. The ratchet wrench 10 of the present invention includes a body 20 and an adapter 30; wherein:

The body 20 includes a handle 21 and a ratchet head 22. The ratchet head 22 is pivotally mounted on the handle 21 with a virtual rotation axis L as the center. The ratchet head 22 extends axially along the rotation axis L. A first driving hole 221 is disposed at one end, and the first driving hole 221 is in the shape of a hexagonal hole. The distance between two opposite surfaces in the first driving hole 221 forms a first width W1.

One end of the adapter 30 is provided with a connecting portion 31, and the connecting portion 31 is inserted into the first driving hole 221 in a manner that can be disengaged and the adapter 30 can rotate synchronously with the ratchet head 22. The end of the joint 30 opposite to the ratchet head 22 is provided with a second driving hole 32, the second driving hole 32 is in the shape of a hexagonal hole, and the distance between two opposite surfaces in the second driving hole 32 forms a second width. W2, the first width W1 is equal to 1/4 inch, and the second width W2 is equal to 5/16 inch.

The end of the ratchet head 22 opposite to the first driving hole 221 is provided with a driving portion 222, the driving portion 222 protrudes from the outer peripheral edge of the handle 21, the driving portion 222 extends axially along the rotation axis L, the driving portion The cross-sectional shape of 222 along the radial direction of the rotation axis L is quadrilateral.

The connecting portion 31 extends axially along the rotation axis L, and the cross-sectional shape of the connecting portion 31 along the radial direction of the rotation axis L is hexagonal.

The ratchet head 22 is provided with a ring protrusion 223 on the outer periphery of one end of the first driving hole 221, and the ring protrusion 223 surrounds the first driving hole 221. When the connecting portion 31 is inserted into the first driving hole 221 , the adapter 30 abuts against the ring protrusion 223 .

The outer peripheral shape of the ring protrusion 223 along the radial direction of the rotation axis L is circular, and the width of the ring protrusion 223 along the radial direction of the rotation axis L forms a first outer diameter D1, and the adapter 30 rotates along the A gripping portion 33 is provided on the radially outer periphery of the axis L, and the width of the gripping portion 33 along the radial direction of the rotation axis L forms a second outer diameter D2, the first outer diameter D1 is smaller than the second outer diameter D2 A shoulder 34 is disposed between the connecting portion 31 and the holding portion 33 , and when the connecting portion 31 is inserted into the first driving hole 221 , the shoulder 34 abuts against the ring protrusion 223 .

The ratchet head 22 is provided with a ring tooth portion 224 along the radial outer periphery of the rotation axis L, and the ring tooth portion 224 is arranged between the two ends of the ratchet head 22 along the rotation axis L axis. The width of 224 along the radial direction of the rotation axis L forms a third outer diameter D3, and the second outer diameter D2 is smaller than the third outer diameter D3.

The ratchet wrench 10 can be transferred to tool heads of various specifications through the above-mentioned structure. The driving part 222 can be connected with a sleeve, the first driving hole 221 can be inserted into a 1/4 inch screwdriver bit, and the second driving hole 32 can be inserted into a 5/16 inch screwdriver bit.

With regard to the above, it can be concluded that the present invention has the following advantages:

1. It is a ratchet wrench that can be converted to a variety of tool heads according to the present invention, wherein the ratchet wrench includes a body and an adapter, the body includes a handle and a ratchet head, and the ratchet head can be rotated with a virtual axis of rotation Pivoted to the handle for relative rotation as the center, the ratchet head is provided with a first driving hole along the axial end of the rotating shaft. The first driving hole is in the shape of a hexagonal hole. The distance between them forms a first width, and one end of the adapter is provided with a connecting part, and the connecting part is inserted into the first drive hole in a manner that can disengage and make the adapter rotate synchronously with the ratchet head The end of the adapter opposite to the ratchet head is provided with a second driving hole, the second driving hole is in the shape of a hexagonal hole, and the distance between two opposite surfaces in the second driving hole forms a second width, the second driving hole The first width is equal to 1/4 inch, and the second width is equal to 5/16 inch. The ratchet wrench can be transferred to tool heads of various specifications through the above structure.

However, the above is only a preferred embodiment of the present invention, and should not be used to limit the implementation scope of the present invention, so all changes in numerical values or replacement of equivalent elements, or equivalents made according to the patent scope of the present invention Changes and modifications should still fall within the category covered by the patent of the present invention.

10: Ratchet wrench 20: Ontology 21: handle 22: ratchet head 221: The first driving hole 222: drive unit 223: ring convex part 224: ring gear 30: Adapter 31: Connecting part 32: Second drive hole 33: Grip 34: shoulder L: axis of rotation W1: first width W2: second width D1: the first outer diameter D2: second outer diameter D3: third outer diameter

Figure 1: It is the three-dimensional appearance view of the ratchet wrench which can be transferred to various specifications of tool heads according to the present invention. Fig. 2: An exploded three-dimensional view of the ratchet wrench of the present invention which can be switched to tool heads of various specifications. Fig. 3: is the sectional structure diagram of the ratchet wrench which can be switched to various specifications of tool heads according to the present invention. Fig. 4: It is the end plane appearance view of the ratchet wrench adapter which can be adapted to various specifications of tool heads according to the present invention. Fig. 5: It is a cross-sectional structure diagram of another angle of view of the ratchet wrench which can be switched to various specifications of tool heads according to the present invention.

10: Ratchet wrench

20: Ontology

21: handle

22: ratchet head

30: Adapter

32: Second drive hole

33: Grip

Claims (5)

A ratchet wrench capable of switching tool heads of various specifications, which includes: a body, the body includes a handle and a ratchet head, and the ratchet head can be relatively rotatably pivoted on the handle with a virtual rotating shaft as the center , the ratchet head is provided with a first driving hole along the axial end of the rotating shaft, the first driving hole is in the shape of a hexagonal hole, and the outer periphery of the end of the ratchet head where the first driving hole is provided is provided with a ring protrusion, The annular protrusion surrounds the first driving hole, the outer periphery of the annular protrusion along the radial direction of the rotating shaft is circular, and the width of the annular protrusion along the radial direction of the rotating shaft forms a first outer diameter; One end of the adapter is provided with a connecting part, and the connecting part is inserted into the first drive hole in a manner that can be disengaged and the adapter can rotate synchronously with the ratchet head. The adapter is opposite A second driving hole is provided at one end of the ratchet head, and the second driving hole is in the shape of a hexagonal hole. When the connecting part is inserted into the first driving hole, the adapter is against the ring protrusion, and the The adapter is provided with a gripping portion along the radially outer periphery of the rotating shaft, the gripping portion forms a second outer diameter along the radial width of the rotating shaft, the first outer diameter is smaller than the second outer diameter, A shoulder is disposed between the connecting portion and the holding portion, and when the connecting portion is inserted into the first driving hole, the shoulder abuts against the ring protrusion. The ratchet wrench that can be transferred to various specifications of tool heads as described in claim 1, wherein the end of the ratchet head opposite to the first driving hole is provided with a driving part, the driving part protrudes from the outer periphery of the handle, and the driving part is The part extends axially along the rotating shaft, and the cross-sectional shape of the driving part along the radial direction of the rotating shaft is quadrilateral. According to claim 1, the ratchet wrench capable of switching tool heads of various specifications, wherein the connecting portion extends axially along the rotating shaft, and the cross-sectional shape of the connecting portion along the radial direction of the rotating shaft is hexagonal. The ratchet wrench that can be transferred to tool heads of various specifications as described in claim 1, wherein the distance between the two opposite surfaces in the first drive hole forms a first width, and the distance between the two opposite surfaces in the second drive hole The distance forms a second width, the first width being equal to 1/4 inch and the second width being equal to 5/16 inch. The ratchet wrench that can be switched to various specifications of tool heads as described in claim 1, wherein the ratchet head is provided with a ring tooth portion along the radial outer peripheral edge of the rotating shaft, and the ring tooth portion is arranged on the ratchet head rotating along the Between two axial ends of the shaft, the width of the ring tooth portion along the radial direction of the rotating shaft forms a third outer diameter, and the second outer diameter is smaller than the third outer diameter.

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