CN201186442Y - Knife discharging structure of utility knife - Google Patents

Abstract

The utility model relates to an art designer's sword goes out structure, especially indicate a can fold out sword structure of art designer's sword, this art designer's sword includes a grab handle, the sword frame of grab handle one end is located to a pivot, the sword casket in the sword frame is located to a pivot, and one locates the push away blade in the sword frame, but wherein sword casket holding blade, but push away the blade has the push away support piece that can paste the blade and go out the sword end other end, and push away the blade and can supply the user to promote by the sword frame outside, make sword frame alternative fold in the grab handle, so that the user cuts the operation, and save the storage space, and can promote the smooth and easy nature and the stability of sword operation.

Description

Tool knife structure

technical field

The utility model belongs to a utility knife, specifically refers to a utility knife output structure that is easy to extract the knife and has high smoothness, so as to improve the convenience of the utility knife operation.

Background technique

In order to allow users to effectively cut wood boards, plastic boards or acrylic boards by hand, a variety of gravity-type utility knives have been developed in the industry. In order to maintain the sharpness of the cutting blades, disposable blades are usually used , but because the board it cuts is thicker and has higher hardness, the blades generally used for gravity utility knives are usually designed as a single-edged structure, that is, each blade can only use the edges at both ends to cut at most. However, it is impossible to prolong the service life by breaking off part of the blade continuously like ordinary disposable blades;

The structure of this existing gravity type utility knife is usually provided with a knife case in the handle, allowing the user to load the blade in advance, and the blades in the knife case are pushed out one by one during operation, so that one end of the blade protrudes, in order to keep the blade The smoothness of movement and the stability of the blade are increased. The length of the handle will be made to match the movement of the knife case and the blade as much as possible. Therefore, the length of the handle of the traditional gravity-type utility knife will not be too long. It is inconvenient to hold, and it is not easy to apply force. Since this type of utility knife is used for gravity cutting, it causes operational troubles and affects the efficiency of cutting;

At present, there is a foldable gravity-type utility knife developed on the market, which is tied to a handle to form a storage space, and a knife frame is pivotally arranged at one end of the handle so that the knife frame can be accommodated relative to the handle. The space can be selectively folded or unfolded, and the knife frame is equipped with a blade that can be pushed out or retracted selectively, so that the length of the utility knife can be increased to facilitate the user's operation without affecting the moving distance of the blade, and it can be shortened. The entire length saves the storage and carrying space of the utility knife, and greatly improves the utility of the utility knife.

But its structure of filling blade and pushing out blade is too complicated, so it is extremely inconvenient when taking out the knife, and also not very smooth when pushing, there is the necessity of further improvement.

In view of this, the designer made an in-depth discussion on the inconvenience and shortcomings of the existing gravity-type foldable utility knife, and through years of research and development and manufacturing experience in related industries, and actively sought solutions, after continuous efforts in research And trial production, and finally successfully created a utility knife knife structure that is easy to draw out, which can overcome the existing problems of unsmooth knife out and inconvenient operation.

Utility model content

Therefore, the main purpose of the utility model is to provide a utility knife with a simple structure, so as to improve the smoothness and convenience of the knife.

For this reason, the utility model mainly realizes the above-mentioned purpose and performance mainly through the following technical means: a knife-out structure of a utility knife, including: a handle, which has an accommodating space; a knife frame, pivotally arranged on One end of the handle can be selectively folded into the aforesaid accommodating space. The knife frame is formed by a first frame body and a second frame body oppositely covered, wherein the inner surface of the first frame body is opposite to the second frame body. There is an accommodating groove with an upward opening, and the accommodating groove has a knife-exiting groove with an opposite end opening, and the end of the first frame body above the knife-exiting groove is provided with a positioning member with an elastic element, and the second A guide groove extending along the long axis is formed on the second frame body, and a pressing block that can push the positioning part is provided on the second frame body; a knife box is selectively accommodated in the accommodation groove of the knife frame, the A knife groove is formed on the knife box, and the inner surface of the knife box corresponding to the second frame body is formed with a knife outlet groove with a relative free end opening; a push blade is slidably arranged on the inner surface of the second frame body of the knife frame, The inner surface of the blade corresponding to the first frame is formed with a number of pushing blocks; at least one blade is arranged in the knife pocket of the knife box, and the edge of the blade adjacent to the aforementioned pushing blade can be attached to the pushing block, so that the pushing blade can be pushed The blade selectively protrudes relative to the knife box, and there is a positioning portion in the center of the top edge of the blade, so that the blade can be selectively locked relative to the positioning piece of the knife frame.

The outer surfaces of the first and second frames of the knife frame corresponding to one end of the handle are respectively formed with a pivot, so that the knife frame can be pivotally arranged at the end of the handle.

The knife frame protrudes a pivot from the lower edge of the inner surface adjacent to the handle of the first frame body, and a pivot block is provided on the bottom edge of one end of the knife box so that the knife box can be pivotally arranged on the knife frame.

The push blade has an extension piece, which is used to set a push block passing through the guide groove, so that the user can push the blade through the push blade from the outside of the knife frame, and a corresponding positioning part is formed on the top edge of the blade. The knife frame snaps into position.

A shifting groove is formed on the top edge of the second frame of the frame body, and a corresponding shifting block is formed on the knife case.

The guide groove of the second frame body of the knife frame is formed with vertically staggered chute adjacent to the end, and a stop block of a shrapnel is arranged in the chute.

A shrapnel is arranged in the range of the accommodation groove of the first frame body of the knife frame, and a through hole is formed in the knife groove of the knife case corresponding to the shrapnel, which can push the blade to push the blade.

In this way, the utility model realizes the aforementioned technical means, so that the knife frame can be selectively folded into the handle, so as to facilitate the user's cutting operation and save storage space, and can greatly simplify the structure of loading and unloading the knife. Moreover, the smoothness and stability of the knife-out operation can be improved, so its added value and competitiveness can be greatly improved, thereby increasing its economic benefits.

Next, in conjunction with the accompanying drawings, a preferred embodiment is given for further description, but the following is only used to explain the preferred embodiment of the present utility model, and is not intended to limit the present utility model in any form. Therefore, under the creative spirit of the present utility model, any type of modification or change should still belong to the scope of protection intended by the present utility model.

Description of drawings

Figure 1 is a schematic diagram of the appearance of the utility model foldable utility knife;

Fig. 2 is a three-dimensional exploded schematic diagram of a foldable utility knife of the present invention;

Fig. 3 is a schematic cross-sectional view of the foldable utility knife of the present invention;

Figure 4 is a schematic diagram of the appearance of the knife case of the present invention;

Fig. 5 is a schematic cross-sectional plan view of Fig. 4 of the present utility model;

Fig. 6 is a schematic plan view of the utility model's knife-out action;

Figure 7 is a schematic diagram of the appearance of the utility model knife out action;

Fig. 8 is a schematic diagram of the folded appearance of the utility model.

Description of main component symbols

10 handle 11 first handle body 12 second handle body

15 Accommodating space 20 Knife frame 21 The first frame

210 Pivot 22 Second Frame 220 Pivot

221 Dialing slot 23 Accommodating slot 230 Cutting groove

24 Shrapnel 25 Pivot 26 Positioning piece

260 elastic element 27 guide groove 270 chute

28 stop block 280 shrapnel 29 pressing block

30 knife box 31 pivot block 32 knife slot

320 knife groove 33 through hole 34 shift block

40 push blade 41 push block 42 extension piece

45 push block 50 blade 51 positioning part

Detailed ways

The utility model is a foldable gravity-type utility knife output structure, please refer to Figures 1 and 2, wherein Figure 1 is the appearance of the utility knife, and Figure 2 is the decomposition of the components of the utility knife, which includes a handle 10, a knife frame 20, a knife case 30 and a push blade 40, and at least one blade 50 can be filled in the knife case 30;

As for the detailed composition of the preferred embodiment of the present utility model, please also refer to those shown in Figures 1, 2, and 3. The handle 10 is formed by a first handle body 11 and a second handle body 12 that are relatively covered. An open accommodating space 15 is formed on the opposite inner surfaces of the first and second handle bodies 11 and 12, and the accommodating space 15 can accommodate the knife frame 20;

The knife frame 20 has a first frame body 21 and a second frame body 22 that can be relatively covered, and the outer surfaces of the first and second frame bodies 21, 22 corresponding to one end of the handle 10 are respectively formed with a pivot portion 210, 220 , so that the first and second frame bodies 21, 22 can be pivoted on the corresponding ends of the handle 10 by using the pivot portions 210, 220, and the first frame body 21 forms an opening upward facing the inner surface of the second frame body 22. Put groove 23, accommodate groove 23 and be formed with a shallower, and relatively free end opening knife-out groove 230 in the first frame body 21 inner surface, be provided with a Elastic piece 24, this elastic piece 24 can produce relative second frame body 22 to restore the pre-force, and knife frame 20 protrudes a pivot 25 on the inner surface lower edge of first frame body 21 adjacent to handle 10, and this pivot shaft 25 can provide The knife case 30 is pivoted, and the first frame body 21 is provided with a positioning piece 26 at the end above the knife outlet groove 230 . The positioning piece 26 has an elastic element 260 so that the positioning piece 26 can selectively engage the blade 50 . Furthermore, a pull groove 221 is formed on the top edge of the second frame body 22, and a guide groove 27 extending along the long axis is formed on the second frame body 22, so that the user can move the blade 50 by pushing the blade 40, And the front end of the lower edge of the guide groove 27 of the second frame body 22 is formed with a vertical staggered chute 270, and a stop block 28 of a shrapnel 280 is arranged in the chute 270, so that the stop block 28 keeps protruding into the chute under normal conditions. 270, and the second frame body 22 is provided with a pressing block 29 corresponding to the positioning part 26 of the aforementioned first frame body 21, so as to press the positioning part 26 with the pressing block 29;

And the knife case 30 is made of a plate body that can be arranged in the first frame body 21 accommodating groove 23 correspondingly, and the bottom edge of one end of the knife case 30 has a pivot block 31, so that the knife case 30 can be pivotally arranged on the aforementioned first frame body. On the pivot 25 of the frame body 21, a knife groove 32 corresponding to the shape of the blade 50 is formed on the knife case 30. The depth of the knife groove 32 can at least accommodate the thickness of a blade 50. The utility model can accommodate two blades. The blade 50 is the main embodiment, and the inner surface of the knife case 30 corresponding to the aforementioned second frame body 22 is formed with a relatively shallow knife outlet groove 320 that is open relative to the free end. When the knife case 30 is placed in the knife frame 20 , the knife outlet groove 320 can correspond to the knife outlet groove 230 of the knife frame 20 [as shown in Figures 3 and 6]. Moreover, when the knife case 30 exits the knife frame 20, the opening of the knife outlet groove 320 can The blade 50 is exposed for loading [as shown in Figures 4 and 5], and the knife groove 32 of the knife case 30 corresponds to the aforementioned knife frame 20 shrapnel 24 to form a through hole 33, so that when the knife case 30 is placed in the knife frame 20, The shrapnel 24 can penetrate the knife groove 32 by using the through hole 33, and a dial 34 protrudes from one end of the knife case 30. When the knife case 30 is placed downwards in the knife frame 20, the dial 34 can be accommodated in the second knife frame 20. In the dial slot 221 of the second frame body 22, to improve the convenience of dialing the knife case 30;

In addition, the aforementioned push blade 40 is slidably arranged on the inner surface of the second frame body 22, and the inner surface of the first frame body 21 corresponding to the push blade 40 is formed with a plurality of push blocks 41, and the push block 41 is suitable for sticking against the blade 50. The end edge is used to push the blade 50, and the blade 40 has an extension piece 42. The extension piece 42 can be provided with a push block 45 passing through the guide groove 27 of the second frame body 22, so that the user can see through the outside of the knife frame 20. Pushing the blade 40 over pushes the blade 50;

A positioning part 51 is formed on the top edge of the blade 50, which can correspond to the positioning part 26 of the knife frame 20 when the knife is pulled out, so that the blade 50 can obtain a stable positioning when the knife is used;

Thereby, a utility knife ejection structure with simple structure and smooth knife ejection action can be formed.

When the utility model is in actual operation, the blade 50 is first loaded, as shown in Figures 4 and 5, the shifting block 34 of the knife case 30 is pulled upwards, so that the knife case 30 can pivot upwards relative to the knife frame 20, and then Make the knife outlet groove 320 of the knife case 30 exposed on the top edge of the knife frame 20, then fill the blades 50 into the knife groove 32 one by one from the knife out groove 320, and finally press the knife box 30 into the knife frame 20, when the through hole 33 of the knife case 30 corresponds to the shrapnel 24 of the knife frame 20, the blade 50 can be pushed toward the push blade 40 by the restoring force of the shrapnel 24, and the filling of the blade 50 is completed;

Then, after the blade 50 is displaced by force, the rear end of the blade 50 will stick against the push block 41 of the push blade 40, so that the push blade 40 can drive the blade 50 to move forward and backward, so that when the user pushes the outside of the knife frame 20 When the push block 45 of the blade 50 can be driven, and when the blade 50 is pushed out, the positioning portion 51 of the blade 50 should correspond to the positioning piece 26 of the knife frame 20, and now the positioning piece 26 is pushed out by the action of the elastic element. And it is locked in the positioning part 51 of the blade 50, so that the blade 50 can obtain a stable positioning when cutting;

And when the blade 50 needs to be released, press the briquetting block 29 of the second frame body 22 of the knife frame 20 to break away from the positioning part 51 of the blade 50 with the positioning part 26 of the first frame body 21, so that the blade 50 can be pulled out , and let the elastic piece 24 of the first frame body 21 push another blade 50, when the push blade 40 retreats, it can stick against the blade 50 again for the next cycle of knife operation, which can improve the convenience and smoothness of operation.

In this way, it can be understood that the utility model is a new creation with excellent creativity, which can greatly improve the efficacy of existing objects, and there is no identical or similar product creation or public use in the same technical field, which has efficacy at the same time. Therefore, this utility model has met the requirements of "novelty" and "progressiveness" of a new patent, and an application for a new patent is filed according to law.

Claims (7)

1. A utility knife output structure, characterized in that: it includes, a handle, which has an accommodating space; A knife frame, which is pivotally arranged at one end of the handle and can be selectively folded in the aforesaid accommodating space. The inner surface of the body relative to the second frame body is formed with an opening upward accommodating groove. A positioning piece with an elastic element, and a guide groove extending along the long axis is formed on the second frame body, and a pressing block that can push the positioning piece is provided on the second frame body; A knife box, which is selectively accommodated in the accommodation groove of the knife frame, a knife groove is formed on the knife box, and a knife outlet groove with a relatively free end opening is formed on the inner surface of the knife box corresponding to the aforementioned second frame; A push blade, which is slidably arranged on the inner surface of the second frame body of the knife frame, and the push blade is formed with a plurality of push blocks corresponding to the inner surface of the first frame body; At least one blade, which is set in the knife pocket of the knife box, the edge of the blade adjacent to the aforementioned pushing blade can be affixed to the pushing block, so that the pushing blade pushes the blade to selectively protrude relative to the knife box, and the center of the top edge of the blade has a A positioning part enables the blade to be selectively locked relative to the positioning part of the knife frame. 2. The knife output structure of the utility knife according to claim 1, characterized in that: the first and second frames of the knife frame are respectively formed with a pivot portion on the outer surface of one end corresponding to the handle, so that the knife frame can be pivotally mounted on the handle. handle end. 3. The knife output structure of the utility knife according to claim 1, characterized in that: the knife frame protrudes from the lower edge of the inner surface adjacent to the handle of the first frame, and a pivot is provided on the bottom edge of one end of the knife case. , so that the knife case can be pivoted on the knife frame. 4. The utility knife output structure according to claim 1, characterized in that: the push blade has an extension piece, and the extension piece is provided with a push block passing through the guide groove, so that the user can see through the push blade from the outside of the knife frame Push the blade, and a corresponding positioning part is formed on the top edge of the blade, for the blade to be locked and positioned corresponding to the knife frame when the knife is ejected. 5. The knife output structure of the utility knife according to claim 1, characterized in that: a dial groove is formed on the top edge of the second frame body of the frame body, and a corresponding dial block is formed on the knife case. 6. The knife output structure of the utility knife according to claim 1, wherein the guide groove of the second frame body of the knife frame is adjacent to the end to form a vertical staggered chute, and a shrapnel stopper is arranged in the chute. stop block. 7. The knife output structure of the utility knife according to claim 1, characterized in that: a shrapnel is provided in the range of the accommodation groove of the first frame body of the knife frame, and a through hole is formed in the knife slot of the knife case corresponding to the shrapnel.

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