CN216176710U

CN216176710U - Cutter convenient to heat dissipation

Info

Publication number: CN216176710U
Application number: CN202122548035.7U
Authority: CN
Inventors: 陈胜琳; 孙荣; 王远; 吴靓超; 陈海兵
Original assignee: Shanghai Zuoren Precision Cutting Tool Co ltd
Current assignee: Shanghai Zuoren Precision Cutting Tool Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-05
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to the technical field of cutters, and discloses a cutter convenient for heat dissipation, which solves the problem that a blade is inconvenient to disassemble and replace at present, and comprises a cutter handle and a blade, wherein the blade is movably connected with the cutter handle; according to the utility model, through the matching between the pressure rod, the second return spring and the top block, when the top block moves upwards, the fixing of the pressure rod and the blade is released, and through the matching between the vertical rod, the side rod and the bolt, when the bolt is loosened, the fixing of the vertical rod and the side rod can be contacted, meanwhile, the first return spring which is originally compressed is reset, the movable block moves upwards, meanwhile, the top ends of the movable plates on two sides move upwards, meanwhile, the rollers on the two sides approach each other and move upwards, at the moment, the fixing of the rollers and the blade is released, and then, the blade is conveniently detached and replaced from the interior of the knife handle.

Description

Cutter convenient to heat dissipation

Technical Field

The utility model belongs to the technical field of cutters, and particularly relates to a cutter convenient for heat dissipation.

Background

The term "tool" is generally understood to mean a metal cutting tool, and tools for cutting wood are also known as woodworking tools, and tools for special applications, such as geological exploration, well drilling, and mine drilling, and are also known as mine tools, and most tools have a heat dissipation function.

Most of the existing cutter handles and blades are of an integral structure, and when the blades are damaged in the using process, the blades are inconvenient to replace, so that the practicability of the blades is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the cutter convenient for heat dissipation, and the problem that the blade is inconvenient to detach and replace at present is effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cutter convenient to heat dissipation, includes handle of a knife and blade, blade and handle of a knife swing joint, the top fixed mounting of handle of a knife has the roof, and the spacing groove has all been seted up to the both sides of roof, and fixed establishment is installed at the top of roof, and the guide way has been seted up in the left side of handle of a knife, blade and guide way activity joint, and the draw-in groove has all been seted up to the inner chamber both sides of handle of a knife, and the screw has been seted up to the inner chamber bottom of handle of a knife, and the middle part of blade is equipped with the locating hole the same with the screw internal diameter.

Preferably, the right side top movable mounting of handle of a knife has the depression bar, the top fixed mounting of depression bar has the kicking block, fixedly connected with and the second reset spring that the depression bar activity cup jointed between kicking block and the handle of a knife, the bottom and the blade laminating of depression bar can make the depression bar rise through upwards pulling the kicking block, then make the second reset spring tensile, can place the blade in the inside of handle of a knife this moment, and when removing the control to the kicking block, the second reset spring resets this moment and can make the depression bar remove downwards and extrude the blade, thereby can carry out the centre gripping to the blade.

Preferably, fixed establishment includes the stand with roof swing joint, and the bottom of stand runs through the inside that the locating hole is located the screw, and the top fixed mounting of stand has the stopper, and the outside fixed mounting of stand has the fixed block with the roof laminating, and the screw is all installed to the top both sides of fixed block, and when the fixed block was laminated with the roof, the accessible screw was connected fixed block and roof to can realize that the stand is fixed with the installation of roof 3.

Preferably, the external screw thread has been seted up in the bottom outside of stand, and the stand cup joints with the screw thread through the external screw thread, and through seting up the external screw thread in the outside of stand to when the bottom of stand is located the inside of screw, rotatable stand can be connected the stand with the handle of a knife fixed this moment.

Preferably, the movable block is movably sleeved on the outer side of the stand column, a first return spring movably sleeved with the stand column is fixedly connected between the movable block and the fixed block, when the movable block is pushed downwards, the first return spring is compressed, and when the control on the movable block is removed, the first return spring is reset at the moment, so that the movable block moves upwards.

Preferably, the equal fixed mounting in top both sides of fixed block has the montant, and the outside swing joint of montant has the side lever, side lever and movable block fixed connection, and the bolt is installed to one side of side lever, when the side lever removes and stops, can tighten the bolt this moment to can fix the side lever with the montant, thereby can fix the position of movable block.

Preferably, the both sides of movable block all rotate and are connected with the fly leaf, fly leaf and spacing groove activity joint, and the bottom fixed mounting of fly leaf has the running roller, running roller and draw-in groove activity joint, and when the movable block moves down, can drive the motion of fly leaf this moment, then the fly leaf opens, and the running roller closely laminates with the blade this moment to can extrude fixedly to the blade.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, through the matching between the pressure rod, the second return spring and the top block, when the top block moves upwards, the fixing of the pressure rod and the blade is released, through the matching between the vertical rod, the side rod and the bolt, when the bolt is loosened, the fixing of the vertical rod and the side rod can be contacted, meanwhile, the first return spring which is originally compressed resets, and the movable block moves upwards, meanwhile, the top ends of the movable plates on two sides move upwards, meanwhile, the rollers on the two sides approach each other and move upwards, at the moment, the fixing of the rollers and the blade is released, and then, the blade is convenient to disassemble and replace from the interior of the knife handle.

(2) This novel cooperation through between second reset spring and depression bar and the kicking block, make the depression bar can push down and carry out spacing fixed to the right side of blade, and cooperation between movable block and stand and the first reset spring, when the downward movement movable block, first reset spring compression this moment, the fly leaf of both sides opens simultaneously, then make the running roller card advance the inside of draw-in groove, and through montant and side lever and (the cooperation between relaying, can be fixed movable block and stand, then conveniently realize that the both sides of blade are fixed, realize preventing to appear the not hard up phenomenon of blade at the during operation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view of a connection structure of a knife handle and a blade according to the present invention;

FIG. 4 is a schematic structural view of a fixing mechanism according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a knife handle; 2. a fixing mechanism; 201. a column; 202. a limiting block; 203. a vertical rod; 204. a bolt; 205. a side lever; 206. a movable block; 207. a movable plate; 208. a roller; 209. an external thread; 2010. a first return spring; 2011. a fixed block; 2012. a screw; 3. a top plate; 4. a blade; 5. a guide groove; 6. A card slot; 7. a screw hole; 8. a limiting groove; 9. positioning holes; 10. a top block; 11. a pressure lever; 12. a second return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1-5, the tool comprises a tool handle 1 and a blade 4, the blade 4 is movably connected with the tool handle 1, a top plate 3 is fixedly installed at the top of the tool handle 1, both sides of the top plate 3 are provided with limit grooves 8, a fixing mechanism 2 is installed at the top of the top plate 3, a guide groove 5 is formed in the left side of the tool handle 1, the blade 4 is movably clamped with the guide groove 5, both sides of an inner cavity of the tool handle 1 are provided with clamp grooves 6, the bottom of the inner cavity of the tool handle 1 is provided with a screw hole 7, and the middle of the blade 4 is provided with a positioning hole 9 with the same inner diameter as the screw hole 7;

through having seted up guide way 5 on handle of a knife 1, can make things convenient for

blade

4 and 5 joints of guide way then to make things convenient for blade 4 to slide in the inside of guide way 5, thereby make things convenient for taking of blade 4.

In the second embodiment, on the basis of the first embodiment, a pressure lever 11 is movably mounted at the top of the right side of the knife handle 1, a top block 10 is fixedly mounted at the top of the pressure lever 11, a second return spring 12 movably sleeved with the pressure lever 11 is fixedly connected between the top block 10 and the knife handle 1, and the bottom of the pressure lever 11 is attached to the blade 4;

when the ejector block 10 is pulled upwards, the pressing rod 11 moves upwards at the moment, meanwhile, the second return spring 12 stretches, the blade 4 can be pushed into the inside of the knife handle 1 along the guide groove 5 at the moment, and when the control on the ejector block 10 is removed, the second return spring 12 resets and drives the pressing rod 11 to move downwards and extrude the right side of the blade 4, so that the blade 4 can be fixed in the knife handle 1.

Third embodiment, on the basis of the first embodiment, the fixing mechanism 2 includes a column 201 movably connected with the top plate 3, the bottom end of the column 201 penetrates through the positioning hole 9 and is located inside the screw hole 7, the outer side of the bottom of the column 201 is provided with an external thread 209, the column 201 is in threaded socket joint with the screw hole 7 through the external thread 209, the top of the column 201 is fixedly provided with a limiting block 202, the outer side of the column 201 is fixedly provided with a fixed block 2011 attached to the top plate 3, both sides of the top of the fixed block 2011 are provided with screws 2012, the outer side of the column 201 is movably sleeved with a movable block 206, a first return spring 2010 movably sleeved with the column 201 is fixedly connected between the movable block 206 and the fixed block 2011, both sides of the top of the fixed block 2011 are fixedly provided with vertical rods 203, the outer side of the vertical rods 203 is movably connected with side rods 205, the side rods 205 are fixedly connected with the movable block 206, one side of the side rods 205 is provided with bolts 204, both sides of the movable block 206 are rotatably connected with movable plates 207, the movable plates 207 are movably clamped with the limiting groove 8, rollers 208 are fixedly mounted at the bottom ends of the movable plates 207, and the rollers 208 are movably clamped with the clamping grooves 6;

when the stand 201 passes through the top plate 3 and the positioning hole 9 and enters the screw hole 7, the rotatable stand 201 is firstly fixed with the knife handle 1, the blade is limited, the fixing block 2011 is attached to the top plate 3 at the moment, the fixing block 2011 can be fixed with the top plate 3 through the screw 2012, the movable block 206 moves downwards, the first reset spring 2010 is compressed at the moment, the rollers 208 on two sides move downwards and are in contact with the blade 4, the movable block 206 continues to move downwards, the movable plates 207 on two sides are opened at the moment, the rollers 208 extrude the blade 4 and clamp the blade into the clamping groove 6, the side rods 205 can be fixed with the vertical rods 203 through the bolts 204, the stand 201 is fixed with the fixing block 2011, and the installation and fixation of the blade 4 are realized finally.

The working principle is as follows: when the tool is used, the top block 10 is pulled upwards, the pressure lever 11 moves upwards at the moment, the second return spring 12 stretches, the blade 4 is placed in the tool holder 1, the blade 4 is clamped into the guide groove 5, the control on the top block 10 is released, the second return spring 12 is reset and drives the pressure lever 11 to move downwards and extrude the right side of the blade 4, the stand column 201 is placed on the top plate 3, the bottom end of the stand column 201 penetrates through the positioning hole 9 and is located in the screw hole 7, the stand column 201 is rotated, the stand column 201 is connected with the tool holder 1 through the matching of the external threads 209, the screws 2012 on the two sides are tightened, the fixed block 2011 and the top plate 3 are fixed, the movable block 206 is moved downwards, the first return spring 2010 is compressed, the rollers 208 on the two sides move downwards and contact with the blade 4, and the movable block 206 continues to move downwards, at this time, the movable plates 207 on the two sides are opened, meanwhile, the roller 208 extrudes the blade 4 and is clamped into the clamping groove 6, then the bolts 204 on the two sides are screwed, the side rods 205 are fixed with the vertical rods 203, meanwhile, the upright column 201 is fixed with the fixing block 2011, and finally, the blade 4 is installed and fixed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cutter convenient to heat dissipation, includes handle of a knife (1) and blade (4), blade (4) and handle of a knife (1) swing joint, its characterized in that: the top fixed mounting of handle of a knife (1) has roof (3), spacing groove (8) have all been seted up to the both sides of roof (3), fixed establishment (2) are installed at the top of roof (3), guide way (5) have been seted up in the left side of handle of a knife (1), blade (4) and guide way (5) activity joint, draw-in groove (6) have all been seted up to the inner chamber both sides of handle of a knife (1), screw (7) have been seted up to the inner chamber bottom of handle of a knife (1), the middle part of blade (4) is equipped with locating hole (9) the same with screw (7) internal diameter.

2. The tool for facilitating heat dissipation of claim 1, wherein: the utility model discloses a cutter handle, including handle (1), the top of handle (1) is provided with depression bar (11), and the top fixed mounting of depression bar (11) has kicking block (10), second reset spring (12) that fixedly connected with and depression bar (11) activity cup jointed between kicking block (10) and handle (1), the bottom and the blade (4) laminating of depression bar (11).

3. The tool for facilitating heat dissipation of claim 1, wherein: fixed establishment (2) include stand (201) with roof (3) swing joint, the bottom of stand (201) runs through locating hole (9) and is located the inside of screw (7), the top fixed mounting of stand (201) has stopper (202), the outside fixed mounting of stand (201) has fixed block (2011) with roof (3) laminating, screw (2012) are all installed to the top both sides of fixed block (2011).

4. The tool for facilitating heat dissipation of claim 3, wherein: external threads (209) are formed in the outer side of the bottom of the upright column (201), and the upright column (201) is in threaded sleeve connection with the screw hole (7) through the external threads (209).

5. The tool for facilitating heat dissipation of claim 4, wherein: the outer side of the upright post (201) is movably sleeved with a movable block (206), and a first return spring (2010) movably sleeved with the upright post (201) is fixedly connected between the movable block (206) and the fixed block (2011).

6. The tool for facilitating heat dissipation of claim 3, wherein: the top both sides of fixed block (2011) all fixed mounting have montant (203), and the outside swing joint of montant (203) has side lever (205), and bolt (204) are installed to side lever (205) and movable block (206) fixed connection, one side of side lever (205).

7. The tool for facilitating heat dissipation of claim 5, wherein: the two sides of the movable block (206) are rotatably connected with movable plates (207), the movable plates (207) are movably clamped with the limiting grooves (8), rollers (208) are fixedly mounted at the bottom ends of the movable plates (207), and the rollers (208) are movably clamped with the clamping grooves (6).