TW202243829A - Tool holder - Google Patents

Abstract

The present invention provides a tool holder and is characterized by mainly comprising an outer handle having a first end, a second end and a handle portion. The outer handle forming an accommodating cavity, the front end wall of the accommodating cavity being provided with a through hole for insertion of the cutting knife. The movable inner seat is accommodated in the accommodating cavity, and the movable inner seat head end is formed with an axial cutting groove and communicates with the through hole; and the angle positioning member is disposed at a position corresponding to the movable inner seat and the outer handle; a cone-shaped mating guide member including a tapered portion formed at the head end of the movable inner base and a tapered guide wall formed on the front end wall of the accommodating cavity; a rotation control type forcing member including a rotation control portion and a rotation shaft portion, wherein the rotation shaft portion is rotationally arranged at the rear end of the accommodation cavity; and the screw drive member includes a first screw portion formed on the movable inner base and a second screw portion formed on the rotary control member.

Description

Knife holder (1)

The invention relates to a tool used for clamping a blade, in particular to a tool that discloses an innovative structure of a knife clamp.

The knife holder referred to in the present invention generally refers to an appliance with the function of clamping blades; and in its practical application, the sealant cutting tool of the windshield is one example, specifically, the windshield is arranged on the vehicle A support frame, the side of the windshield facing the interior of the vehicle is provided with a ring-shaped sealant formed by an adhesive, the windshield is arranged on the ring-shaped support frame with the sealant, the windshield faces the outside of the vehicle A waterproof rubber strip is arranged around one side of the windshield. When the windshield needs to be replaced due to damage, deterioration or other factors, after removing the waterproof rubber strip, a cutting tool can be used to pierce and split the sealant to make the windshield The windshield was removed from the vehicle.

There are many kinds of specific structures of known sealant cutting tools, and what the present invention intends to discuss is mainly aimed at the type that the cutting tool is inserted into an outer handle and can be disassembled and adjusted. In other words, looking at the known structure of this sealant cutting tool, there are still some problems and shortcomings that need to be improved urgently. For example, one of the quite common problems is that the component is too complicated. As for the too complex component, it usually includes segmentation Positioning elastic jumping bean components, or disc spring components that produce elastic pressure, etc.; another problem is the defect that the cutting knife is not inserted smoothly, and this part usually comes from the inner part of its outer handle. Due to the lack of precise corner positioning design of the clamping inner seat, when the user inserts the cutting knife into the outer handle, it cannot be accurately aligned with the clamping notch of the clamping inner seat, resulting in the problem of unsmooth locking. For the problem points, please refer to the content disclosed in US7596871B1 "ADJUSTABLE TOOL" (adjustable tool).

The main purpose of the present invention is to provide a knife holder (1). The technical problem to be solved is to think about how to develop a more ideal and practical new structure of the knife holder. . The cutter holder is used for assembling and positioning an existing cutting knife, and the cutting knife has an inserting group section and a cutting edge connected together.

Based on the aforesaid purpose, the technical features of the present invention to solve the problem mainly lie in that the tool holder includes: an outer shank, which is elongated along an axis and defines a relatively far-away first end, a second end and between The handle body part between the first end and the second end, and an accommodating cavity elongated along the axis is formed inside the outer shank, the accommodating cavity has a front end wall and a rear end opening, wherein the front end wall forms a Extending through the first end through the hole, the through hole is used for inserting the inserting section of the cutting knife, and the rear end is opened to pass through the second end; a movable inner seat is accommodated in the accommodating In the cavity, the movable inner seat is in the form of a rod and defines a head end relatively far away, a tail end and a shaft part between the head end and the tail end, wherein the head end forms an axial sectional groove, The axial sectional groove is in communication with the through hole, so that the cutting knife inserting section inserted into the through hole can further extend into the axial sectional groove; an angle positioning member is arranged between the movable inner seat rod body and the outer Corresponding parts of the shank body, so that the assembled state of the movable inner seat can obtain the positioning of the rotation angle, but retain an axially displaceable stroke, so that the movable inner seat can have an axially displaceable state in use; a tapered fit The guide member includes a tapered portion formed at the head end of the movable inner seat and formed at the One of the front walls of the accommodating chamber tapers the guide wall, and the taper part and the taper guide wall form a tapered surface fit relationship. When the taper part is pushed forward by the taper guide wall due to the movement of the movable inner When pressing, the axial sectional groove is relatively narrowed to clamp the inserting section so as to position the cutting knife; a rotating control type pressing member includes a rotating control part and a rotating shaft protruding from one end of the rotating control part , wherein the rotating shaft part is axially limited and screwed to the opening of the rear end of the accommodating cavity, and the rotating control part is exposed to the outside of the second end of the outer handle in a state where it can be rotated forward and reverse under force; a screwed driving member , including a first threaded part formed at the tail end of the movable inner seat, and a second threaded part formed at the rotating shaft part of the rotary control type urging part, so that when the rotary control type urging part rotates forward and reverse At this time, the screw guiding effect is generated between the first threaded part and the second threaded part, thereby driving the movable inner seat to produce an axial displacement movement.

The main effect and advantage of the present invention is that it can effectively solve the functional requirements of the cutter blades with different thicknesses but can be clamped and positioned through the rotary feeding pressing method and structural type, and the overall assembly components are very simple and relatively assembled. It is more convenient, fast and efficient. In addition, the rotation angle of the axial sectional groove of the movable inner seat can be precisely positioned by the setting of the angle positioning member, so as to ensure that the cutting knife is inserted smoothly and unimpeded, so that it is more convenient and easy to operate. It is practical and progressive.

L1: axis

10: Cutter

11: Insert group segment

12: Blade

20: Outer handle

21: first end

22: Second end

23: handle part

232: Second radial screw hole

24: Accommodating cavity

241: front wall

242: back end exposure

243: through the pores

244: wing groove

30: Movable inner seat

31: head end

32: end

33: shaft part

34: Axial profile groove

40: Angle positioning components

41: Long groove

42: The first radial screw hole

43: The first limit bolt

431: The first insertion end

50: Conical fit guide member

51: tapered part

52: tapered guide wall

60: Rotary control type pressing parts

61: transfer control department

62: Shaft part

63: ring groove

70: Screwed drive member

71: The first thread joint

72: The second threaded part

80: Second limit bolt

81: The second insertion end

90: Front glass

91: Rubber strip

92: Frame frame edge

Fig. 1 is an assembled perspective view of a preferred embodiment of the present invention.

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

Fig. 3 is an appearance side view of a preferred embodiment of the present invention.

Fig. 4 is a sectional view of 4-4 in Fig. 3 .

Fig. 5 is a sectional view of the adjustable state of the cutter in the preferred embodiment of the present invention.

Fig. 6 is a cross-sectional view of a cutting knife in a clamped and positioned state according to a preferred embodiment of the present invention.

Fig. 7 is the usage example diagram 1 of the protruding state of the cutting knife of the present invention.

Fig. 8 is the usage example diagram 2 of the protruding state of the cutting knife of the present invention.

See also shown in Fig. 1 to Fig. 6, be the preferred embodiment of the knife holder (1) of the present invention, but these embodiments are only for illustration purposes, are not limited by this structure on the patent application.

The knife holder is used for assembling and positioning an existing cutting knife 10, the cutting knife 10 has an inserting section 11 and a blade portion 12 connected together; the knife holder includes: an outer handle 20, along a The axis L1 is elongated and defines a relatively distant first end 21, a second end 22, and a handle portion 23 between the first end 21 and the second end 22, and the An accommodating cavity 24 elongated along the axis L1 is formed inside the outer handle 20, the accommodating cavity 24 has a front end wall 241 and a rear end opening 242, wherein the front end wall 241 forms a through hole 243 extending through Out of the first end 21, the through hole 243 is used for inserting the inserting section 11 of the cutting knife 10, and the rear end opening 242 passes through the second end 22; a movable inner seat 30 is accommodated in In the accommodating cavity 24 , the movable inner seat 30 is in the shape of a pole and defines a relatively far away head end 31 , a tail end 32 and a shaft portion between the head end 31 and the tail end 32 33, wherein the head end 31 is formed with an axial sectional groove 34, and the axial sectional groove 34 communicates with the through hole 243, so that the aforementioned cutting knife 10 inserted into the through hole 243 can be inserted into the group section 11. Further extend into the axial sectional groove 34; an angle positioning member 40 is located at the position corresponding to the shaft part 33 of the movable inner seat 30 and the handle part 23 of the outer handle 20, so that the movable inner seat 30 is as mentioned above The assembled state obtains the positioning of the rotation angle, but retains an axial displacement stroke, so that the movable inner seat 30 has an axial displacement in use. Displacement state: a tapered matching guide member 50, including a tapered part 51 formed at the head end of the movable inner seat 30, and a tapered guide wall 52 formed at the front end wall 241 of the accommodating cavity 24, the The taper part 51 and the taper guide wall 52 are in a tapered surface fit relationship, when the taper part 51 is pressed by the taper guide wall 52 due to the forward movement of the movable inner seat 30, the system Relatively cause the axial sectional groove 34 to shrink so as to clamp the inserting section 11 so as to locate the cutting knife 10; a turn-control type pressing member 60 includes a turn-control portion 61 and a protruding portion from the turn-control portion 61 A rotating shaft part 62, wherein the rotating shaft part 62 is screwed on the rear end opening 242 of the accommodating cavity 24 in an axially limited state, and relatively constituting the rotating control part 61 exposed outside the second end 22 of the outer handle 20 It is in the state of being able to rotate forward and reverse under force; a threaded driving member 70 includes a first threaded part 71 formed at the tail end 32 of the movable inner seat 30, and a rotating shaft formed at the rotary control type pressing member 60 One of the second threaded parts 72 of the part 62, whereby when the rotary control type pressing member 60 rotates forward and reverse, a screw movement is generated between the first threaded part 71 and the second threaded part 72 Guiding effect, thereby driving the movable inner seat 30 to produce an axial displacement movement.

As shown in FIG. 2 , in this example, two wing grooves 244 are formed on two radially opposite sides of the accommodating cavity 24 , and the two wing grooves 244 communicate with the axial section groove 34 and the through hole 243 oppositely.

As shown in Figures 2 and 5, in this example, the angle positioning member 40 includes an elongated groove 41 formed on the shaft portion 33 of the movable inner seat 30, corresponding to the shaft portion 23 formed on the outer handle 20. There is a first radial screw hole 42 and a first stop bolt 43 screwed in the first radial screw hole 42, the first stop bolt 43 has a first insertion end 431, so that the first stop bolt 43 An embedding end 431 protrudes into the elongated groove 41 in alignment.

As shown in Figures 4 and 5, in this example, the rotating shaft portion 62 of the rotary control type urging member 60 is formed with a ring concave groove 63, and at least one groove 63 is formed at the corresponding part of the handle portion 23 of the outer handle 20. The second radial screw hole 232 is used for screwing at least one second limit bolt 80 , Each of the second limit bolts 80 has a second insertion end 81, so that the second insertion end 81 can extend into the ring groove 63 in alignment, so that the rotating shaft portion 62 together with the rotary control type force The tightening member 60 is in an axial limiting state.

As shown in Figures 2 and 5, in this example, the first threaded part 71 is in the form of an externally threaded cylinder formed at the tail end of the movable inner seat 30, and the second threaded part 72 is formed in the The type of internal threaded hole groove of the rotating shaft portion 62 of the rotary control type pressing member 60 . According to this preferred embodiment, one can easily deduce that, even if the positions of the first threaded portion 71 and the second threaded portion 72 are interchanged, the result and the achieved screw function are the same.

With the above-mentioned structural composition and technical features, the specific use of the tool holder disclosed in the present invention is firstly shown in Figure 5, where the tapered part 51 of the tapered matching guide member 50 has not been tapered by the guide wall 52 Under the forced precondition, the axial sectional groove 34 of the movable inner seat 30 is loose, so the user can telescopically adjust the inserting section 11 to determine the protruding position of the cutting knife 10 blade 12 (as shown by the arrow in Figure 5 L2), and when the user decides this position, as shown in Figure 6, the turn control part 61 of the turn-control type pressing member 60 (as shown by the arrow L3) can be rotated. The screwing of the first threaded part 71 and the second threaded part 72 of the component 70 can drive the movable inner seat 30 to move downward in the figure (as shown by the arrow L4), thereby forming the tapered part 51 to be tapered and guided. Pressed by the movable wall 52 (as shown by the arrow L5 ), the axial sectional groove 34 is relatively narrowed to clamp the insertion section 11 , thereby clamping and positioning the cutting knife 10 . In addition, the difference in the protruding position of the blade portion 12 of the cutting knife 10, as shown in the difference between Fig. 7 and Fig. 8 in practical application, is mainly due to the differences in different operating environments. For example, in Fig. 7 and Fig. 8 The glue strip 91 cutting operation of exposed automobile front windshield 90, there will be the situation that vehicle frame frame edge 92 height is different, just need to adjust the protruding position of this cutting knife 10 blade portion 12 (as shown in H1 and Fig. 7 8 of H2) to solve the problem.

The rotary feed pressing method and structure adopted by the tool clamper of the present invention The type (that is, the structural type such as the rotary control type pressing part 60 and the screw driving part 70) can effectively solve the functional requirements of the cutting knife 10 blades with different thicknesses but can be clamped and positioned, and the overall assembly is very simple. The assembly is relatively more convenient, fast and efficient. In addition, the rotation angle of the axial sectional groove 34 of the movable inner seat 30 can be accurately positioned by setting the angle positioning member 40, so as to ensure that the cutting knife 10 is inserted smoothly and without hindrance. , so that it is more practical and convenient to operate.

L1: axis

10: Cutter

11: Insert group segment

12: Blade

20: Outer handle

21: first end

22: Second end

23: handle part

232: Second radial screw hole

24: Accommodating cavity

242: back end exposure

244: wing groove

30: Movable inner seat

31: head end

32: end

33: shaft part

34: Axial profile groove

41: Long groove

42: The first radial screw hole

43: The first limit bolt

431: The first insertion end

51: tapered part

60: Rotary control type pressing parts

61: transfer control department

62: Shaft part

70: Screwed drive member

71: The first thread joint

72: The second threaded part

80: Second limit bolt

81: The second insertion end

Claims (5)

A knife holder (1) is used for assembling and positioning a cutting knife, and the cutting knife has a connecting section and a cutting edge; the knife holder includes: an outer handle elongately extending along an axis to define a relatively remote first end, a second end, and a shank portion between the first end and the second end, and An accommodating cavity elongated along the axis is formed inside the outer handle, the accommodating cavity has a front end wall and a rear end opening, wherein the front end wall forms a through hole extending out of the first end, the accommodating cavity The through hole is used for inserting the inserting section of the cutting knife, and the rear end is opened to pass through the second end; A movable inner seat is accommodated in the accommodating cavity. The movable inner seat is in the form of a pole and defines a head end relatively far away, a tail end, and a rod between the head end and the tail end. The body part, wherein the head end is formed with an axial sectional groove, and the axial sectional groove communicates with the through hole, so that the aforementioned cutting knife inserting section inserted into the through hole can further extend into the axial direction. in the profile groove; An angle positioning member is arranged at the position corresponding to the body of the movable inner seat and the body of the outer handle, so that the aforementioned assembled state of the movable inner seat can be positioned by the rotation angle, but retains an axial displacement stroke, Make the movable inner seat have an axially displaceable state in use; A tapered fitting guide member, including a tapered part formed at the head end of the movable inner seat, and a tapered guide wall formed at the front end wall of the accommodating cavity, the tapered part and the tapered guide wall There is a tapered surface matching relationship between them. When the tapered part is pressed by the tapered guide wall due to the forward movement of the movable inner seat, the axial section-shaped groove is relatively reduced to clamp the insert group. section to position the cutter; A rotary control type pressing part, including a rotary control part and a rotary shaft part protruding from one end of the rotary control part, wherein the rotary shaft part is screwed on the rear end opening of the accommodating cavity in an axially limited state , relatively constituting that the turning control part is exposed to the outside of the second end of the outer handle and is in a state of being able to rotate forward and reverse under force; and A threaded drive member, including a first threaded portion formed at the tail end of the movable inner seat, and a second threaded portion formed at the rotating shaft portion of the rotary control type urging member, whereby when the rotary control When the type urging member rotates in the forward and reverse directions, a screw guiding effect is produced between the first screw joint part and the second screw joint part, thereby driving the movable inner seat to generate axial displacement movement. The knife holder (1) as described in Claim 1, wherein two wing grooves are formed on two radially opposite sides of the accommodating cavity, and the two wing grooves communicate with the axial section groove and the through hole in opposite positions. The knife holder (1) as described in claim 1 or 2, wherein the angle positioning member includes a long groove formed on the body of the movable inner seat, and a groove formed on the corresponding part of the body of the outer handle A first radial screw hole and a first limit bolt screwed in the first radial screw hole, the first limit bolt has a first inserting end, so that the first inserting end extends into the elongated groove. The knife holder (1) as described in claim 1 or 2, wherein the rotating shaft part of the rotary control type urging member is formed with a ring groove, and the corresponding part of the outer handle body is formed with at least one first Two radial screw holes are used for threading a second limit bolt, and each of the second limit bolts has a second inserting end, so that the second inserting end extends into the ring groove in alignment , so that the rotating shaft portion together with the rotary control type pressing member is in an axially limited state. The knife holder (1) as described in Claim 1 or 2, wherein the first threaded portion is formed in the form of an externally threaded cylinder at the tail end of the movable inner seat, and the second threaded portion is formed in the The internal threaded hole groove type of the rotary shaft part of the rotary control type urging member.

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