CN210791073U

CN210791073U - Push handle of art knife

Info

Publication number: CN210791073U
Application number: CN201921425100.3U
Authority: CN
Inventors: 高红涛
Original assignee: Zhejiang Xingda Stationery Co ltd
Current assignee: Zhejiang Xingda Stationery Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-19
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a pushing hands of art designing sword, including pushing away the body down, pushing away button, spring leaf, its characterized in that: the spring piece is placed in the containing groove of the lower pushing body and is clamped and fixed, and two convex teeth of the spring piece protrude out of the rectangular through hole on one side of the rectangular boss on the lower pushing body; the push button is characterized in that two inverted buckle feet are arranged on the bottom surface of the push button, the two inverted buckle feet are axially slidably fastened and fixed with a strip-shaped fastening through hole formed in the top surface of a rectangular boss of the lower push body, two inner side surfaces of an upper limiting strip and a lower limiting strip formed on the bottom surface of the push button are connected with two sides of the upper portion of the rectangular boss of the lower push body in a sliding fit mode, two corresponding inner end surfaces of a front push strip and a rear push strip formed on the upper limiting strip of the push button are respectively abutted against outer side surfaces of two convex teeth of the spring piece, and the push. The advantages of the push handle are: when in use, the spring piece has small pushing friction force, good smoothness and comfortable hand feeling, and the sound generated when the spring piece is rubbed with the positioning rack is uniform and not harsh. Moreover, the spring piece in the pushing handle can not generate elastic fatigue and lose effectiveness after being used for a long time.

Description

Push handle of art knife

Technical Field

The utility model relates to a manual cutting tool field especially relates to a push handle that connects on telescopic art designer's sword.

Background

The utility knife is a common tool used for cutting objects in daily life and operation, at present, a commonly used telescopic utility knife mainly comprises a knife shell, a blade arranged in the knife shell and a pushing handle connected with the blade. Therefore, whether the structure of the push handle arranged on the telescopic art designing knife is reasonable or not determines the using effect and the comfort of the art designing knife to a certain extent. The general large-size utility knife requires that the pushing hand connected with the blade has large fixing force for positioning and fixing on the knife shell, the positioning racks are arranged on two side wings of the knife shell top surface guide groove, while the small-size utility knife requires that the pushing hand connected with the blade has small fixing force for positioning and fixing on the knife shell, and the positioning racks are arranged on only one side wing of the knife shell top surface guide groove, so that the structures of the pushing hands matched and connected with the large-size utility knife and the small-size utility knife are different. At present, the use effect is relatively better with the pushing handle structure and the chinese utility model patent number that connect with small size art designer sword and join in marriage: 201820250610.0 the structure of the push handle in the utility knife is the same, the structure of the push handle is simple, the using effect is better than the traditional structure, but in the actual use, the friction force is large and the smoothness is poor when pushing by hand, which causes bad hand feeling and the sound produced when the spring leaf rubs with the positioning rack is hard to hear, therefore, the structure is still to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome the defect that exists among the above-mentioned prior art, provide a pushing hands that connects on the telescopic art designer's sword of small size that application scope is wide, simple structure, and use safe and reliable, effectual

The utility model adopts the technical proposal that: the utility model provides a pushing hands of art knife, includes down the pushing away body, pushes away button, spring leaf, its characterized in that: the lower pushing body is provided with a rectangular boss, a containing groove which extends to the bottom of the lower pushing body and is provided with an opening at the bottom surface is arranged in the boss, an embedded groove is arranged on one side wall part of the containing groove in the axial direction, two rectangular through holes which are symmetrically distributed and communicated with the outer surface of the rectangular boss are arranged on two sides of the middle part of the other side wall part of the containing groove in the axial direction, and two symmetrically distributed convex columns are arranged on the inner bottom surface of the containing groove on one side close to the; the top surface of the rectangular boss is provided with a strip-shaped buckling through hole;

two back-off legs are arranged in the middle of the bottom surface of the push button, an upper limit strip and a lower limit strip are symmetrically arranged on two sides of each back-off leg, and a groove is formed in each upper limit strip to form a front push strip and a rear push strip which are symmetrically distributed at the front end and the rear end;

the spring piece is provided with a clamping part, two ends of the clamping part are provided with symmetrical working parts which are turned inwards, and the heads of the two working parts are respectively provided with convex teeth in triangular tooth shapes;

the spring piece is arranged in the containing groove of the lower pushing body, the clamping part of the spring piece is fixedly matched and connected with the embedded groove of the lower pushing body, the middle parts of the outer side surfaces of the two working parts of the spring piece are leaned against the two convex columns in the containing groove, and the two convex teeth of the spring piece respectively protrude out of the rectangular through hole of the lower pushing body; two reverse buckling feet of the push button are arranged in a strip-shaped buckling through hole on the top surface of the lower push body and can be axially and slidably buckled and fixed, two inner side surfaces of an upper limiting strip and a lower limiting strip of the push button are connected with two sides of the upper part of a rectangular boss on the lower push body in a sliding fit mode, two corresponding inner end surfaces of a front push strip and a rear push strip of the push button are respectively abutted against outer side surfaces of two convex teeth of the spring piece, and the push button is combined into an integral push handle.

Furthermore, the other side of bar lock joint through-hole one side that the rectangle boss top surface established still is equipped with the spacing spout of bar, push away the button bottom surface corresponding in the spacing spout of bar and be equipped with the spacing sand grip of bar with the spacing spout sliding fit connection of bar, the length at the spacing sand grip both ends of this bar is less than the length 3-6mm of the spacing spout of bar.

Furthermore, convex ribs are respectively arranged at the two sides of the lower surface of the lower pushing body close to the edges.

Compared with the prior art, the utility model has the advantages of: the push handle with the structure makes the whole push handle and the cutter body of the art designing cutter matched and connected to form the art designing cutter, and when the hand-operated art designing cutter is used, the push handle has the advantages of small push friction force, good smoothness, comfortable hand feeling and uniform and non-harsh sound generated when the spring piece is rubbed with the positioning rack. Moreover, the force applied to the spring piece in the pushing handle during working is always in the same direction, so that the spring piece is durable in use and cannot be out of work due to elastic fatigue, and the service life and the reliability of the utility knife are further improved.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a bottom view of the present invention;

fig. 3 is a front exploded perspective view of the present invention;

fig. 4 is a reverse exploded perspective view of the present invention;

FIG. 5 is a schematic view of the utility model showing the connection between the pushing handle and the cutter body of the utility knife;

fig. 6 is a schematic structural view of the positioning rack on the spring plate of the pushing handle of the present invention, wherein two convex teeth are placed in the side wing of the guiding slot on the top surface of the knife shell for engaging and positioning.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, a push handle of an art knife comprises a lower push body 1, a push button 2 and a spring leaf 3, wherein a round head hanging column 14 is arranged at the head of the lower push body 1, and an elastic extension part 15 is arranged at one side of the head of the lower push body 1; the upper surface of the push button 2 is provided with equidistant convex teeth 25 which increase the contact friction force, and the above is the prior art. The method is characterized in that:

the lower pushing body 1 is provided with a rectangular boss 11, the boss 11 is internally provided with a containing groove 12 which extends from the bottom of the lower pushing body 1 to the bottom surface opening, one side wall part of the containing groove 12 in the axial direction is provided with an embedded groove 121, two sides of the middle part of the other side wall part of the containing groove 12 in the axial direction are provided with two rectangular through holes 122 which are symmetrically distributed and communicated with the outer surface of the rectangular boss 11, and the inner bottom surface of the containing groove 12 close to one side of the two rectangular through holes 122 is provided with two symmetrically distributed convex columns; the top surface of the rectangular boss 11 is provided with a strip-shaped buckling through hole 111, and a strip-shaped limiting sliding groove 112 is arranged beside one side of the strip-shaped buckling through hole 111; the lower surface of the lower pushing body 1 is provided with a convex rib 13 near the edges, and the convex rib 13 is used for reducing the friction force between the lower pushing body and the guide groove of the cutter shell when pushing the pushing handle after the pushing handle is assembled into the cutter shell of the cutter body and matched, so that the lower pushing body moves more smoothly in the guide groove of the cutter shell.

Two back-off legs 21 are arranged in the middle of the bottom surface of the push button 2, an upper limit strip 22 and a lower limit strip 23 are symmetrically arranged on two sides of the two back-off legs 21, and a groove is formed in the upper limit strip 22 to form a front push strip 221 and a rear push strip 222 which are symmetrically distributed at the front end and the rear end; the bottom surfaces of the upper limit strip 22 and the push button 2 between the two back-off legs 21 are provided with strip-shaped limit convex strips 24, the lengths of the two ends of each strip-shaped limit convex strip 24 are less than the length of the strip-shaped limit sliding groove 112 by 3-6mm, the length of the two ends of each strip-shaped limit convex strip 24 in the embodiment is less than the length of the strip-shaped limit sliding groove 112 by 3.5mm, and the length of the two ends of each strip-shaped limit convex strip 24 in the embodiment is selected.

The spring piece 3 is provided with a clamping part 31, two ends of the clamping part 31 are provided with symmetrical working parts 32 which are turned inwards, and the heads of the two working parts 32 are respectively provided with a convex tooth 33 in a triangular tooth shape;

the spring piece 3 is placed in the containing groove 12 of the lower pushing body 1, the clamping part 31 of the spring piece 3 is fixedly matched and connected with the embedded groove 121 of the lower pushing body 1, the middle parts of the outer side surfaces of the two working parts of the spring piece 3 are leant against the two convex columns 123 in the containing groove 12, and the two convex teeth 33 of the spring piece 3 respectively protrude out of the rectangular through hole 122 of the lower pushing body 1; two back-off feet 21 of the push button 2 are placed in the bar-shaped fastening through hole 111 on the top surface of the lower push body 1 and can be axially slidably fastened and fixed, two inner side surfaces of the upper limit strip 22 and the lower limit strip 23 of the push button 2 are connected with two sides of the upper part of the rectangular boss 11 on the lower push body 1 in a sliding fit manner, the bar-shaped limit convex strip 24 of the push button 2 is connected with the bar-shaped limit sliding groove 112 of the lower push body 1 in a sliding fit manner, and the push button is combined into a whole push handle.

The utility model discloses a joining in marriage of pushing hands and art knife cutter body is shown in fig. 5, 6, ① is the knife shell in the picture, ② is the blade, ③ is the pushing hands, pushing bodies 1 and the guide way sliding fit in the knife shell ② 0 of cutter body of pushing hands ③ are connected, blade ② in the knife shell ② of cutter body passes through the hanging hole of afterbody and is connected with the button head peg 14 that the upper surface of lower push body front end portion was established, two dogtooth portions 33 of spring leaf 2 and the location rack that the top surface guide way flank of cutter shell ② was established in pushing hands ③ are meshed and are fixed a position, push knob 2 on pushing hands ③ and push forward, push back dogtooth among two dogtoothings 33 that the front end pushed spring leaf 2 on the pushing knob 222 on the pushing knob 2 and contract towards in the storage tank 12 and break away from and the location rack meshing on cutter shell ②, the preceding dogtooth in two dogteeth 33 of 2 also receive the effect of forward thrust and break away from the meshing with the location rack on the cutter shell ① and lean on the location rack meshing with the location rack on the cutter shell 6854, thereby the blade can not reach the location rack positioning function of pushing hands before the cutter body of pushing hands again, thereby the cutter body of pushing hands and the cutter body of pushing hands, the cutter body, thereby the blade body can make the blade body of pushing hands push handle and the blade body, thereby the blade body, the blade body can not put forward and the handle is pushed forward and the blade body, thereby the blade body, the handle can not put forward positioning rack is pushed the handle, and the handle is pushed the handle, the handle is pushed the.

The above-described embodiments of the present invention do not limit the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a pushing hands of art knife, includes down pushing away body (1), pushes away button (2), spring leaf (3), its characterized in that: the lower pushing body (1) is provided with a rectangular boss (11), a containing groove (12) which extends to the bottom of the lower pushing body (1) and is provided with an opening on the bottom surface is arranged in the rectangular boss (11), an embedded groove (121) is arranged on one side wall part in the axial direction of the containing groove (12), two rectangular through holes (122) which are symmetrically distributed and communicated with the outer surface of the rectangular boss (11) are arranged on two sides of the middle part of the other side wall part in the axial direction of the containing groove (12), and two convex columns (123) which are symmetrically distributed are arranged on the inner bottom surface of the containing groove (12) close to one side of the; the top surface of the rectangular boss (11) is provided with a strip-shaped buckling through hole (111);

two reverse buckling legs (21) are arranged in the middle of the bottom surface of the push button (2), an upper limiting strip (22) and a lower limiting strip (23) are symmetrically arranged on two sides of each reverse buckling leg (21), and a groove is formed in each upper limiting strip (22) to form a front push strip (221) and a rear push strip (222) which are symmetrically distributed at the front end and the rear end;

the spring piece (3) is provided with a clamping part (31), two ends of the clamping part (31) are provided with symmetrical working parts (32) which are turned inwards, and the heads of the two working parts (32) are respectively provided with a convex tooth (33) in a triangular tooth shape;

the spring piece (3) is placed in the containing groove (12) of the lower pushing body (1), the clamping part (31) of the spring piece (3) is fixedly matched and connected with the embedded groove (121) of the lower pushing body (1), the middle parts of the outer side surfaces of the two working parts of the spring piece (3) are leant against the two convex columns (123) in the containing groove (12), and the two convex teeth (33) of the spring piece (3) respectively protrude out of the rectangular through hole (122) of the lower pushing body (1); two inverted buckle feet (21) of the push button (2) are placed in a strip-shaped buckle-connection through hole (111) in the top surface of the lower push body (1) and can be axially and slidably buckled and fixed, two inner side surfaces of an upper limiting strip (22) and a lower limiting strip (23) of the push button (2) are connected with two sides of the upper part of a rectangular boss (11) on the lower push body (1) in a sliding fit mode, two corresponding inner end surfaces of a front push strip (221) and a rear push strip (222) of the push button (2) are respectively abutted to outer side surfaces of two convex teeth (33) of the spring piece (3), and the push button is combined into a whole push handle.

2. The pushing handle of the utility knife as claimed in claim 1, wherein: the rectangular boss (11) top surface is equipped with bar fastening through-hole (111) one side other still to be equipped with bar spacing spout (112), push away button (2) bottom surface corresponding in bar spacing spout (112) and be equipped with the spacing sand grip of bar (24) sliding fit connection with bar spacing spout (112), the length at the spacing sand grip of this bar (24) both ends is less than the length 3-6mm of bar spacing spout (112).

3. The pushing handle of the utility knife as claimed in claim 1, wherein: the lower surface of the lower pushing body (1) is also provided with convex ribs (14) at the two sides close to the edges.