TWI625208B - Tool with telescopic protection - Google Patents

Abstract

The cutter having the telescopic protection device comprises a handle, a blade and a protection device, wherein the handle is provided with a receiving portion, and the blade is fixedly connected to the handle, the blade includes a rear end and a Different from the front end of the rear end, the rear end of the blade is received in the accommodating portion, and the front end of the blade protrudes out of the accommodating portion, the blade has a blade on the front surface and a blade back on the back surface opposite to the blade, the protection device The utility model comprises a protection member, wherein the protection member is reciprocally slidably disposed relative to the handle between the first position and the second position, and the protection member is provided with a protection portion, wherein the protection portion is located at a different edge of the blade The side is adjacent to the blade, and the tool has a telescopic protection device, which can shield the blade by the guard to prevent the user from being accidentally cut by the blade.

Description

Tool with telescopic protection

The present invention primarily discloses a tool, and more particularly a tool having a telescoping protection device.

Please refer to the "Gravity Work Tool" patent of the Chinese Patent No. M478597, which is a gravity type working knife, which comprises a grip portion and a knife portion, and the knife portion and the grip portion form an obtuse angle. Easy to hold and apply force at an angle, the front end surface of the knife portion is formed with a recessed slot for inserting a blade, and a snap block disposed on the knife portion can be inserted into the blade, and The blade is fixed, and the blade is partially exposed on the outer side of the slot, and a sheath can be sleeved on the exposed blade, and the sleeve and the slot have a lightly coupled buckle structure, and The sheath and the knife portion are easily assembled or disassembled; the bottom end surface of the grip portion simultaneously forms a deep receiving groove and can be placed into a preparation knife for storing and storing the number of blades, the preparation blade and the receiving groove The inter-system has a snap-fit structure that can be lightly coupled, so that the preparation knife and the grip are easy to assemble or disassemble.

When the working knife adopting the above structure is not used, the sheath must be coupled to the knife portion in a click manner so that the sheath covers the protruding end of the blade to prevent the blade from inadvertently cutting the person. However, when the user uses the above-mentioned working knife, it is necessary to remove the sheath, the cover is small in size and light in weight, and it is very easy to be lost in the course of work.

In view of the above-described deficiencies in the conventional structure, the inventors have devised a tool having a telescopic protection device that overcomes all of the disadvantages of the above-described conventional structure.

The main purpose of the cutter having the telescopic protection device is to provide a cutter comprising a handle, a blade and a protection device, wherein the handle is provided with a receiving portion, the blade is fixedly connected to the cutter The handle includes a rear end and a front end different from the rear end, the rear end of the blade is received in the receiving portion, and the front end of the blade protrudes out of the receiving portion, the blade a cutting edge is disposed on the front surface and a back is disposed on the opposite side of the cutting edge. The protection device includes a protection member capable of reciprocatingly sliding between the first position and the second position relative to the handle. In the accommodating portion, the protection member is provided with a guard portion located on a side of the blade different from the blade back and adjacent to the blade edge, the guard portion has a front end, and the protection member is in the first position The front end of the guard portion and the front end of the blade are adjacent to each other or the front end of the guard portion is located on a side of the front end of the blade that is different from the rear end. When the protector is in the second position, the guard The front end of the portion is located between the front end and the rear end of the blade, and the cutter has a telescopic protection device, and when the tool is not used, the protection device of the protection device can be moved to the first position, by the protection portion The blade is shielded to prevent the user from being accidentally cut by the blade.

The protection member is provided with two side walls and a connecting portion, and the two side walls are respectively connected to different sides of the shielding portion and are located on different sides of the blade, and the two side walls respectively extend in a direction adjacent to the blade back. The two sides of the connecting portion are respectively connected to one side of the two side walls which is different from the shielding portion.

The handle is provided with a sliding portion, one end of the sliding portion is connected to the receiving portion and the other end is connected to the outer surface of the handle, and the blade is provided with a limiting portion on the back of the blade, the limit is a sliding portion corresponding to the handle, the protection device includes a dial block, the dial block is reciprocally slidably disposed relative to the handle to the sliding portion and connected to the connecting portion of the protection member, the dial block The limit portion of the blade can be abutted to fix the relative position of the protection device to the blade.

The limit portion is wavy.

The handle includes a first component and a second component, the first component and the second component are respectively located on opposite sides of the accommodating portion and surround the accommodating portion, and the sliding component is located at the first component Between this second part.

The handle further has two locking members, and the two locking members are sequentially inserted through the first member and the blade by the side of the first member different from the second member, and are screwed to the blade. The second part.

Other objects, advantages and novel features of the invention will become apparent from the description and appended claims.

The technology, means and functions of the present invention are described in detail with reference to the accompanying drawings.

1 to 4, a perspective view, a perspective exploded view of the telescopic protection device, a use state diagram of the protection member in the first position, and a use state diagram of the protection member in the second position. . The tool 10 of the present invention includes a handle 20, a blade 30 and a guard 40; wherein:

The handle 20 is provided with a receiving portion 21, and the handle 20 includes a first member 22 and a second member 23. The first member 22 and the second member 23 are respectively located opposite to the receiving portion 21. Both sides of the two sides surround the receiving portion 21. The handle 20 is provided with a sliding portion 24, one end of the sliding portion 24 is connected to the receiving portion 21 and the other end is connected to the outer surface of the handle 20. The sliding portion 24 is located at the first portion Between the component 22 and the second component 23. The handle 20 also has two locking members 25.

The blade 30 is disposed in the fixed connection manner on the handle 20, and the two locking members 25 are sequentially passed through the first member 22 and the blade 30 by the first component 22 being different from the side of the second component 23. After being coupled to the second member 23 in a screw-locking manner, the blade 30 includes a rear end 31 and a front end 32 different from the rear end 31. The rear end 31 of the blade 30 is received in the receiving portion. In the 21, the front end 32 of the blade 30 protrudes out of the receiving portion 21.

The blade 30 is provided with a blade 33 on its front surface and a blade back 34 opposite to the blade 33. The blade 30 is provided with a limiting portion 35 on the blade back 34. The limiting portion 35 corresponds to the handle 20. The sliding portion 24 has a wave shape.

The protection device 40 includes a protection member 41 and a dial 42 that can be reciprocally slidably disposed relative to the handle 20 between the first position and the second position. The member 41 is provided with a guard portion 411 located on a side of the blade edge 33 different from the blade back 34 and adjacent to the blade edge 33. The guard portion 411 has a front end 412, and the protection member 41 is at the first In the position, the front end 412 of the guard portion 411 and the front end 32 of the blade 30 are adjacent to each other or the front end 412 of the guard portion 411 is located at a side of the front end 32 of the blade 30 that is different from the rear end 31. The protection member 41 In the second position, the front end 412 of the guard 411 is located between the front end 32 and the rear end 31 of the blade 30.

The protection member 41 is provided with two side walls 413 and a connecting portion 414. The two side walls 413 are respectively connected to different sides of the shielding portion 411 and are located on different sides of the blade 30. The two side walls 413 are respectively The two sides of the connecting portion 414 are respectively connected to one side of the opposite side of the guard portion 411. The dial block 42 is reciprocally slidably disposed relative to the handle 20 to the sliding portion 24 and is coupled to the connecting portion 414 of the protection member 41. The dial block 42 can abut against the limiting portion 35 of the blade 30. The relative position of the protection device 40 to the blade 30 is fixed.

The cutter 10 is configured to be fixedly connected to the handle 20 by the blade 30, so that the blade 30 cannot move relative to the handle 20, and the cutting force that the cutter 10 can withstand is increased, and the cutter 10 is cut. Stability. The tool 10 has a telescopic protection device 40. When the tool 10 is not used, the protection member 41 of the protection device 40 can be moved to the first position, and the blade 33 is shielded by the shielding portion 411 to avoid use. The person was accidentally cut by the blade 30.

As far as the above is concerned, it can be concluded that the present invention has the following advantages:

1. The tool of the present invention having a telescopic protection device, wherein the cutter comprises a handle, a blade and a protection device, and the handle is provided with a receiving portion, the blade being fixedly connected to the handle The blade includes a rear end and a front end different from the rear end. The rear end of the blade is received in the receiving portion, and the front end of the blade protrudes out of the receiving portion, and the front surface of the blade is disposed a blade and a blade back opposite to the back of the blade, the protection device includes a protection member that is reciprocally slidably disposed between the first position and the second position relative to the handle a protective portion is disposed with a guard portion on a side of the blade different from the blade back and adjacent to the blade edge, the guard portion has a front end, and when the protector is in the first position, the guard portion The front end of the guard portion and the front end of the blade are adjacent to each other or the front end of the guard portion is located on a side of the front end of the blade that is different from the rear end. When the protector is in the second position, the front end of the guard portion is located at the front end of the guard portion. Between the front end and the rear end of the sheet, the cutter has a telescopic protection device, and when the cutter is not used, the protection member of the protection device can be moved to the first position, and the shield is shielded by the shield to avoid The user was accidentally cut by the blade.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, so that the numerical value is changed or the equivalent element is replaced, or the equivalent of the scope of the patent application of the present invention. Changes and modifications are still within the scope of the invention patent.

10‧‧‧Tools

20‧‧‧Handle

21‧‧‧ 容部

22‧‧‧ first part

23‧‧‧ second part

24‧‧ ‧ slip section

25‧‧‧Locking parts

30‧‧‧blade

31‧‧‧ Backend

32‧‧‧ front end

33‧‧‧ Blade

34‧‧‧ knife back

35‧‧‧Limited

40‧‧‧protection device

41‧‧‧protection

411‧‧ ‧Protection

412‧‧‧ front end

413‧‧‧ side wall

414‧‧‧Connecting Department

42‧‧ ‧ dial

Figure 1 is a perspective view of a cutter having a telescopic protection device of the present invention. Figure 2 is an exploded perspective view of the tool with the telescopic protection device of the present invention. Fig. 3 is a view showing the state of use of the tool protector having the telescopic protection device in the first position of the present invention. Fig. 4 is a view showing the state of use of the tool protector having the telescopic protection device in the second position of the present invention.

Claims (5)

A cutter having a telescopic protection device, comprising: a handle, the handle is provided with a receiving portion; a blade, the blade is fixedly connected to the handle, the blade includes a rear end The front end of the blade is received in the accommodating portion, and the front end of the blade protrudes out of the accommodating portion. The front surface of the blade is provided with a cutting edge and opposite to the cutting edge. a back of the blade is provided; a protection device includes a protection member, and the protection member is reciprocally slidably disposed between the first position and the second position relative to the handle to the receiving portion, The protection member is provided with a guard portion located on a side of the blade different from the blade back and adjacent to the blade edge, the guard portion having a front end, and the front end of the guard portion when the protection member is in the first position The front end of the blade is adjacent to each other or the front end of the guard portion is located on a side of the front end of the blade that is different from the rear end. When the protector is in the second position, the front end of the guard portion is located at the front end of the blade. Between the rear ends, the protection member is provided with two side walls and a connecting portion. The two side walls are respectively connected to different sides of the shielding portion and are located on different sides of the blade, and the two side walls are respectively adjacent to each other. The direction of the back of the blade extends, and the two sides of the connecting portion are respectively connected to one side of the two side walls which is different from the shielding portion. A tool having a telescopic protection device according to claim 1, wherein the handle is provided with a sliding portion, one end of the sliding portion is connected to the receiving portion and the other end is connected to the outside of the handle. a surface, the blade is provided with a limiting portion on the back of the blade, the limiting portion corresponding to the sliding portion of the handle, the protection device includes a dial block, and the dial block is reciprocally slidably disposed relative to the handle The sliding portion is coupled to the connecting portion of the protection member, and the dial block can abut against the limiting portion of the blade to fix the relative position of the protection device and the blade. A tool having a telescopic protection device according to claim 2, wherein the limiting portion has a wave shape. A tool having a telescopic protection device according to claim 2, wherein the handle comprises a first member and a second member, the first member and the second member being respectively located on opposite sides of the receiving portion And surrounding the accommodating portion, the sliding portion is located between the first component and the second component. A tool having a telescopic protection device according to claim 4, wherein the handle further has two locking members, the two locking members passing through the first member differently from one side of the second member The first component is coupled to the blade and is threadedly coupled to the second component.