TWI764430B - Cutter and caulking gun - Google Patents

Abstract

A cutter is configured to be mounted to a push rod of a caulking gun. The push rod includes a pushing portion for pushing a container containing a caulking material and a rear end portion opposite to the pushing portion. The cutting device includes: an assembling portion, configured to be mounted at the rear end portion of the push rod; and a cutting portion, connected with the assembling portion and including a cutting blade. A caulking gun including the cutter is further provided, further including: a gun body, including a carrier and a grip portion; and a push rod, movably mounted to the gun body, the push rod including a pushing portion and a rear end portion, the rear end portion and the carrier being located at two opposite sides of the grip portion; wherein the cutter device is mounted to the rear end portion of the push rod.

Description

Cutting device and glue gun

The present invention relates to a cutting device and a glue gun.

Generally, in order to cut or cut the tube body to an appropriate size, a knife body such as a utility knife, scissors, cutter, etc. is used as a cutting tool.

In the conventional method of cutting the pipe body with a knife body, one hand holds the cutter, the other hand holds and fixes the pipe body, and then the cutter is used to cut the pipe body. However, in the conventional method, it is impossible to hold the glue gun and the cutter at the same time, so that the glue gun must be taken away from the hand (such as placed on the ground or hung in other places) before the pipe body can be cut off. work, so that there is a lack of inconvenient operation and low cutting efficiency.

Therefore, it is necessary to provide a novel and progressive cutting device and glue gun to solve the above problems.

The main purpose of the present invention is to provide a cutting device and a glue gun, which can be provided on the push rod of the glue gun, so as to be able to cut the pipe body while holding the glue gun by hand, which is convenient for operation.

In order to achieve the above object, the present invention provides a cutting device provided on a push rod of a glue gun. The push rod includes a push portion movably push against a silicone container and a push rod provided on the push rod. department Opposite to the rear end of one end, the cutting device includes: a set of connecting parts, which are provided on the rear end of the push rod; and a cutting part, which is connected to the connecting part, and the cutting part includes a cutter body.

In order to achieve the above object, the present invention further provides a glue gun, which includes the cutting device as described above, and further includes: a gun body, which is provided with a socket and a handle portion, and the socket is used for assembling a silicone container; and a push rod, which is movably disposed on the gun body, the push rod includes a push portion movably extending into the socket for pushing against the silicone container, and a push portion disposed at the rear end of the opposite end portion of the push portion The rear end portion and the socket are located on opposite sides of the handle portion; wherein, the cutting device is arranged at the rear end portion of the push rod.

1: cutting device

2: glue gun

3: Hands

4: Silicone container

5: Mouth tube

20: gun body

21: Bearing

22: Handheld

30: putter

31: Pushing Department

32: rear end

40: Assembly Department

41: Through holes

50: Cutting part

51: knife body

52: Matrix

521: Wearing Department

522: Hole Wall

523: Stopper

53: Perforation

54: Blade

55: Shaft

56: Pivot

57: pierce the hole

60: Hook and pull department

70: The first positioning mechanism

71: Snaps

711: Control Department

712: Card Department

72: Elastic

80: Second positioning mechanism

81: Card slot

90: Hook part

100: reset spring

L1: Thickness direction

FIG. 1 is a perspective view of a preferred embodiment of the present invention.

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

FIG. 3 is another exploded view of a preferred embodiment of the present invention.

4 is a schematic diagram of a cutter body in a first position according to a preferred embodiment of the present invention.

5 is a partial cross-sectional view of a cutter body in a first position according to a preferred embodiment of the present invention.

6 is a schematic view of a cutter body in a second position according to a preferred embodiment of the present invention.

7 is a partial cross-sectional view of a cutter body in a second position according to a preferred embodiment of the present invention.

FIG. 8 is a perspective view of the glue gun according to a preferred embodiment of the present invention.

FIG. 9 is a use state diagram of a preferred embodiment of the present invention.

10 is a partial cross-sectional view of the glue gun according to a preferred embodiment of the present invention.

The following examples only illustrate possible implementations of the present invention, but are not intended to limit the scope of protection of the present invention, and are described together first.

Please refer to FIGS. 1 to 10, which show a preferred embodiment of the present invention. The cutting device 1 of the present invention is provided on a push rod 30 of a glue gun 2, and a gun body 20 of the glue gun 2 is provided with There is a socket 21 and a handle portion 22. The handle portion 22 is provided with a pressing handle that drives the push rod 30 to move. The push rod 30 includes a push portion 31 for movably pushing against a silicone container 4 and a push rod 30. Set on the rear end 32 of the opposite end of the pushing portion 31 , the cutting device 1 includes a set of connecting portions 40 and a cutting portion 50 .

The assembling portion 40 is provided on the rear end portion 32 of the push rod 30 ; the cutting portion 50 is connected to the assembling portion 40 , and the cutting portion 50 includes a knife body 51 . Specifically, the assembling portion 40 is detachable The assembling portion 40 can also be non-detachably provided on the rear end portion 32 (eg, by means of pressing, locking, etc.), and the assembling portion 40 can also be non-detachably arranged on the rear end portion 32 (eg, by means of integral bonding, cementing, etc.). Accordingly, the glue gun 2 can be held with one hand to cut a pipe body (such as the nozzle tube 5 of the silicone container 4 , the water pipe, etc.), and the push rod 30 can be driven by pulling the cutting device 1 .

The cutting device 1 further includes a hook and pull portion 60 connected to the assembly portion 40 . The hook and pull portion 60 extends radially toward the push rod 30 . In this embodiment, the hook and pull portion 60 is a A concave surface facing an extension direction of the push rod 30 is provided to facilitate hanging and hand pulling.

The cutting part 50 further includes a base body 52 , the base body 52 is provided with a through hole 53 , the through hole 53 is open transversely to an extension direction (axial direction) of the push rod 30 , and the cutter body 51 is movably arranged on the base body 52 , the knife body 51 is provided with a knife edge 54 which can relatively move through the through hole 53 , and the outer side of the base body 52 is provided with the hook and pull part 60 . The assembly portion 40 is provided with a through hole 41 for the push rod 30 to be sleeved. The base body 52 protrudes out of the assembly portion 40 from the outside of the through hole 41 toward the radial direction of the through hole 41 . Referring to FIG. 10 , in the present embodiment, the rear end portion 32 of the push rod 30 is provided with a threaded section and a screw is locked on the threaded section to connect with the assembly portion 40 . In this way, it can be stably provided at the rear end portion 32 of the push rod 30 to drive the cutter body 51 to move relative to the base body 52 for cutting the tube body.

One of the cutter body 51 and the base body 52 is provided with a first positioning mechanism 70 , and the other is provided with a second positioning mechanism 80 . The cutter body 51 can move relative to the base body 52 between a first position (as shown in FIG. 4 ) and a second position (as shown in FIG. 6 ). When the cutter body 51 is at the second position, the first positioning mechanism 70 and the second positioning mechanism 80 are releasably positioned relative to each other, so that the knife body 51 can be positioned at the second position, so that the knife body 51 will not move arbitrarily under the action of external force, so that the knife edge 54 is positioned, and the knife When the body 51 is in the second position, the body 51 is accommodated in the base body 52 to cover the opening of the base body 52 to reduce the overall size. In detail, the knife body 51 can move on a moving path, the knife body 51 defines a thickness direction L1 transverse to the moving path, the first positioning mechanism 70 includes a latching member 71 and an elastic member 72 , The latching member 71 includes a control portion 711 and a latching portion 712 disposed at an opposite end of the manipulation portion 711 . The latching member 71 can move along the thickness direction L1 , and the elastic member 72 springs against the manipulation portion. Between 711 and the cutting portion 50, the second positioning mechanism 80 includes a card slot 81, the card portion 712 can be releasably snapped into the card slot 81, and the card portion 712 can normally face the control portion The direction of the 711 springs against, and has a high engaging force, so that the card portion 712 is not easy to escape from the card slot 81 and can be automatically snapped into the card slot 81 when corresponding to the card slot 81 . The cutter body 51 can swing relative to the base body 52 with a shaft portion 55 , the base body 52 is provided with the first positioning mechanism 70 , the cutter body 51 is provided with a pivot portion 56 , and the second positioning mechanism 80 is provided at the pivot portion 56 , The card slot 81 is disposed on the radial direction of the pivot portion 56 and is disposed around the shaft portion 55 . The base body 52 is provided with a through portion 521 . The hole wall 522 constituting the piercing hole 57 and a blocking portion 523 extending radially toward the piercing hole 57 are formed. The snap member 71 is inserted through the piercing hole 57, and the elastic member 72 springs against the blocking portion. part 523, the cutter body 51 is provided with the card slot 81, the card slot 81 is open towards the thickness direction L1, the manipulation part 711 is exposed to the through hole 57 towards the thickness direction L1, in this embodiment, the manipulation The portion 711 protrudes from the surface of the base body 52 to facilitate pressing.

When the knife body 51 is positioned at the second position, the cutting edge 54 is positioned at a position exceeding 1/2 the diameter of the through hole 53 to prevent fingers or other objects from penetrating the through hole 53 and being cut by the cutting edge 54 .

The cutting device 1 further includes a hook portion 90 and a reset elastic member 100 (which can be a compression spring or a torsion spring). The through hole 41 extends radially outward, and can hook and pull the hook portion 90 and the hook portion 60 to facilitate driving the push rod 30 . The reset elastic member 100 springs between the base body 52 and the knife body 51 . The knife body 51 swings toward the base body 52 under pressure to compress the reset elastic member 100 , and when released, the reset elastic member 100 can bounce Push the cutter body 51 to reset.

The present invention further relates to a glue gun 2 , which includes the cutting device 1 as described above. The glue gun 2 further includes: a gun body 20 and the push rod 30 .

The gun body 20 is provided with a socket 21 and a handle portion 22, the socket 21 is used for assembling the silicone container 4; the push rod 30 is movably arranged on the gun body 20, and the push rod 30 includes the movable extension A pushing portion 31 that is inserted into the socket 21 and pushes against the silicone container 4 and a rear end portion 32 disposed at the opposite end of the pushing portion 31 , the rear end 32 and the socket 21 are located on the handle portion 22 The two opposite sides; wherein, the cutting device 1 is set at the rear end 32 of the push rod 30 .

During use, one hand can hold the handle 22 , the other hand can hold the tube (such as the mouth tube 5 of the silicone container 4 ) and insert it into the through hole 53 , and use the hand holding the handle 22 The part 3 (such as the thumb) presses the knife body 51 to move from the first position to the second position to drive the knife edge 54 to move relative to the through hole 53 to cut the tube body. When the knife body 51 is located in the second position , the card slot 81 corresponds to the card portion 712 so that the card portion 712 is snapped into the card slot 81 for positioning. The hand 3 holding the hand-held portion 22 can directly press the control portion 711 to drive the card portion 712 out of the card slot 81 , so that the cutter body 51 is reset to the first position. When the control portion 711 is released, the The clamping portion 712 can press against the peripheral side of the cutter body 51 normally, and is automatically snapped into the clamping slot 81 when the cutter body 51 moves to the second position.

To sum up, the cutting device of the present invention can be provided on the push rod of the glue gun, so that the pipe body can be cut while holding the glue gun, which is convenient for operation and provides high cutting efficiency.

1: cutting device

40: Assembly Department

50: Cutting part

51: knife body

53: Perforation

54: Blade

55: Shaft

60: Hook and pull

Claims (10)

A cutting device is provided on a push rod of a glue gun, a gun body of the glue gun is provided with a socket and a handle portion, the handle portion is provided with a pressure handle that drives the push rod to move, the push rod It includes a pushing portion for pushing against a silicone container movably and a rear end portion disposed on the opposite end portion of the pushing portion. The cutting device comprises: a set of connecting portions for being arranged at the rear end portion of the push rod ; And a cutting part, connected to the assembling part, including a cutter body; wherein, the cutting part further comprises a base body, and the cutter body is movably arranged on the base body. The cutting device according to claim 1, further comprising a hook and pull portion connected with the assembly portion, the hook and pull portion is provided to extend toward the radial direction of the push rod. The cutting device according to claim 1, wherein the base body is provided with a perforation, the cutter body is provided with a blade that can relatively move through the perforation, and the base body is provided with a hook and pull portion. The cutting device according to claim 3, wherein the assembling portion is provided with a through hole for enveloping the push rod, and the base body protrudes out of the through hole toward the radial extension of the through hole. The assembling part is arranged on an outer side of the base body. The cutting device according to claim 1, wherein the base is provided with a perforation, the cutter body is provided with a blade that can move relatively through the perforation, and one of the cutter body and the base is provided with a first positioning mechanism and the other One is provided with a second positioning mechanism, the cutter body can move between a first position and a second position relative to the base body, when the cutter body is in the second position, the first positioning mechanism and the second position The positioning mechanisms are releasably positioned relative to each other. The cutting device of claim 5, wherein when the cutter body is positioned at the second position, the cutting edge is positioned at a position exceeding 1/2 of the diameter of the through hole. The cutting device as claimed in claim 5, wherein the cutter body can move on a moving path, the cutter body defines a thickness direction transverse to the moving path, and the first positioning mechanism includes a buckle and an elastic The clip includes a control part and a clip located at an opposite end of the control part, the clip can move along the thickness direction, and the elastic part springs against the control part and the cut-off part In between, the second positioning mechanism includes a card slot, and the card portion is releasably snapped into the card slot. The cutting device according to claim 7, wherein the cutter body can swing relative to the base body with a shaft portion, the base body is provided with the first positioning mechanism, the cutter body is provided with a pivot portion, and the second positioning mechanism is provided on the base body A pivot portion, the base body is provided with a through portion, and the through portion is provided with a through hole open toward the thickness direction, a hole wall constituting the through hole, and a blocking portion extending radially toward the through hole , the buckle piece passes through the piercing hole, the elastic piece springs against the blocking portion, the cutter body is provided with the catch slot, the catch slot opens towards the thickness direction, and the control portion is exposed to the thickness direction in the thickness direction. The punched hole. The cutting device as claimed in claim 7, wherein the connecting portion is provided with a through hole for sleeved with the push rod, and the base body protrudes out of the through hole toward the radial extension of the through hole. The assembly part is provided with a hook and pull part on the outer side of the base body; the hook and pull part is a concave surface for facing an extension direction of the push rod; the cutting device further comprises a hook part and a reset elastic part, the hook The pulling part and the hooking part extend radially toward the outside of the through hole on opposite sides of the assembly part; the through hole is open transversely to the extending direction of the push rod; the reset elastic piece springs against the base body and the between the cutter bodies; when the cutter body is positioned at the second position, the cutting edge is positioned at a position exceeding 1/2 of the diameter of the perforation. A glue gun, comprising the cutting device according to any one of claims 1 to 9, and further comprising: a gun body provided with a socket and a handle, the socket for assembling a silicone container; and A push rod is movably disposed on the gun body, the push rod includes a push portion movably extending into the socket for pushing against the silicone container and a rear end portion disposed at the opposite end of the push portion , the rear end portion and the bearing seat are located on opposite sides of the handle portion; wherein, the cutting device is arranged at the rear end portion of the push rod.

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