CN218518707U

CN218518707U - Novel back scraping knife

Info

Publication number: CN218518707U
Application number: CN202222994475.XU
Authority: CN
Inventors: 王文轩
Original assignee: Shenzhen Nortec Electronics Co ltd
Current assignee: Shenzhen Nortec Electronics Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-02-24
Anticipated expiration: 2032-11-10

Abstract

The utility model provides a novel scrape back of body sword, including tool bit subassembly and the handle of being connected with the tool bit subassembly, wherein, the tool bit subassembly includes tool bit frame, tool bit and connecting piece, installs the tool bit in the front embedding of tool bit frame, and the back of tool bit frame is connected through the pivot with the connecting piece, and the back of tool bit frame is close to the top edge department and is provided with weight additional mechanism. The utility model provides a novel back of body sword of scraping, design simple structure, it is good to feel, and easy operation can realize glossy shaving.

Description

Novel back scraping knife

Technical Field

The utility model relates to a razor technical field, in particular to novel back of body sword is scraped.

Background

The back scraping knife on the market is mostly formed by connecting a knife head component and a knife handle, the traditional back scraping knife is very complex in design structure and very troublesome to manufacture and assemble, great strength is often applied to shave hairs when the back scraping knife is used, the strength is difficult to hold, the operation hand feeling is poor, the back scraping knife is difficult to use, and the hair can not be shaved as clean as possible.

SUMMERY OF THE UTILITY MODEL

In order to solve the current back scraping knife design structure complicacy, operate inconvenient, hard, have the not good problem of feeling, the utility model provides a novel back scraping knife, light laborsaving during the use, the operation is felt well, can realize glossy shaving effect.

The utility model discloses a novel scrape back of body sword, including tool bit subassembly and the handle of being connected with the tool bit subassembly, wherein, the tool bit subassembly includes tool bit frame, tool bit and connecting piece, installs the tool bit in the front embedding of tool bit frame, and the back and the connecting piece of tool bit frame are connected through the pivot, are provided with weight additional mechanism on the tool bit frame.

Further, the weight attachment mechanism is provided on the back of the head frame near the upper edge.

Furthermore, the weight adding mechanism is a balancing weight, and the weight of the balancing weight is 10-30 g.

Furthermore, the balancing weight is made of metal.

Further, the distance from the two sides of the balancing weight to the edges of the two sides of the cutter head frame is equal.

Furthermore, the balancing weight is fixedly connected with the cutter head frame through screws.

Furthermore, the back of the tool bit frame is provided with a limiting groove, the connecting piece is provided with a limiting stop block, and the limiting stop block rotates relatively in the limiting groove and is used for realizing that the relative rotation angle of the tool bit frame and the connecting piece is not more than 30 degrees.

Furthermore, the limiting groove and the limiting stop block are arranged on the same axis with the rotating shaft.

Furthermore, one side of the connecting piece, which is close to the tool bit frame, is provided with an elastic piece, and the free end of the elastic piece can slide relatively along a sliding block arranged on the back surface of the tool bit frame.

Furthermore, the sliding block is an arc-shaped convex block, one end of the arc-shaped convex block is close to the upper edge of the cutter head frame, and the other end of the arc-shaped convex block is close to the lower edge of the cutter head frame.

Furthermore, the number of the sliding blocks is two, and the number of the elastic pieces opposite to the sliding blocks is two.

Implement the utility model discloses a novel scrape back of body sword has following profitable technological effect:

the utility model discloses in, be close to the top edge department at the tool bit frame and be equipped with weight additional mechanism, can be laborsaving during operating handle, make tool bit frame and connecting piece rotate relatively and produce turning torque, the slider relative slip that sets up the flexure strip on the connecting piece simultaneously and locate the tool bit frame back produces the moment of countering with the moment, can realize that the tool bit frame rotates gently to the blade face that makes the tool bit is hugged closely along the skin of undulation and is followed closely, the utility model discloses overall design simple structure, it is good to feel, and easy operation can realize glossy shaving.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is an exploded schematic view of a first embodiment of the present invention;

fig. 3 is a schematic view of a tool bit assembly according to a first embodiment of the present invention;

fig. 4 is a schematic view of another perspective structure of a cutter head assembly according to a first embodiment of the present invention;

fig. 5 is a schematic side sectional view of a cutter head assembly according to a first embodiment of the present invention;

fig. 6 is a schematic view of a tool bit frame structure according to a first embodiment of the present invention;

fig. 7 is a schematic structural diagram of a connecting member according to a first embodiment of the present invention;

fig. 8 is a schematic structural diagram of an initial state of use according to a first embodiment of the present invention;

fig. 9 is a schematic structural view of a first usage state of the present invention;

fig. 10 is a schematic structural diagram of a second embodiment of the present invention;

fig. 11 is a schematic side sectional view of a cutter head assembly according to a second embodiment of the present invention.

In the figure, a tool bit assembly-1, a handle-2, a hole-21, an anti-slip block-22, a LOGO adhesive sticker-23, a tool bit frame-11, a tool bit-12, a connecting piece-13, a balancing weight-14, a screw-15, a groove-111, a shaft hole-112, a sliding block-113, a limiting groove-114, a rotating shaft-131, an elastic sheet-132 and a limiting stopper-133.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Please refer to fig. 1, the first embodiment of the present invention, the back scraping knife includes tool bit subassembly 1 and the handle 2 of being connected with tool bit subassembly 1, handle 2 is the microscler component of curve form as a whole, the one end of keeping away from tool bit subassembly 1 of handle 2 is equipped with the hole 21 that is used for the installation to hang the rope, a plurality of portions of holding on handle 2 are equipped with non slipping

spur

22, 2 slippage of handle when conveniently handing, it glues 23 still to be equipped with the LOGO in 2 one sides of handle, tool bit subassembly 1 and handle 2 adopt the detachable mode to connect, of course also can adopt tool bit subassembly 1 and 2 integrated into one piece of handle.

As shown in fig. 2, 3, 4 and 5, in the present embodiment, the cutter head assembly 1 is assembled by the cutter head frame 11, the cutter head 12 and the connecting member 13.

The front of the tool bit frame 11 is provided with a groove 111, the periphery of the groove 111 is a frame, the shape of the groove 111 is approximately rectangular, the groove 111 can be one or more, the groove(s) 111 are distributed in an array mode when a plurality of grooves 111 are formed, the tool bits 12 are embedded and installed in the grooves 111, the tool bits 12 can be conveniently installed or taken out of the grooves 111, the tool bits 12 can be conveniently replaced, preferably, two grooves 111 are arranged in a straight line on the front of the tool bit frame 11, the tool bits 12 are installed in the two grooves 111 arranged in the straight line, the number of the tool bits 12 is reasonable, the appearance design is attractive, the cost is reduced, and the shaving area is increased.

Two ends of the back of the cutter head frame 11 along the length direction are respectively provided with a shaft hole 112, the shaft holes 112 and the cutter head frame 11 are integrally formed, two ends of the connecting piece 13 are respectively provided with a rotating shaft 131 which is rotatably connected with the shaft holes 112 of the cutter head frame 11, and the rotating shaft 131 and the shaft holes 112 are on the same axis. In order to enhance the hand feeling during use, a weight adding mechanism is further arranged on the back of the tool bit frame 11, preferably, the weight adding mechanism is a balancing weight 14, the distance from two sides of the balancing weight 14 to the edges of two sides of the tool bit frame 11 is equal, that is, after the weight adding mechanism is additionally arranged on the back of the tool bit frame 11, the gravity center of the tool bit frame 11 in the long edge direction is kept on the center line of the long edge of the tool bit frame 11, the weight of the balancing weight 14 can be selected, the weight range is preferably 10-30 g, the balancing weight 14 made of metal is adopted, the size is small, the weight is convenient to select, the weight adding mechanism can be arranged on the upper edge of the back of the tool bit frame 11, and the gravity center of the tool bit frame 11 is close to the upper edge of the tool bit frame 11 along the center line of the long edge. From the overall structure of the back scraping knife, the counterweight block 14 is installed at the end far away from the handle 2 as much as possible, and the best counterweight effect can be realized. In order to facilitate the replacement of the counterweight block 14, the counterweight block 14 is fixedly connected with the cutter head frame 11 through a screw 15. Furthermore, in order to better fix the balancing weight 14, an open slot is formed in the back of the tool bit frame 11, and the open slot is matched with the balancing weight 14, so that the balancing weight 14 is prevented from shaking up and down or left and right, and the operation hand feeling is not influenced.

After the balancing weight 14 is installed on the back surface of the tool bit frame 11, when the handle 2 of the handheld back scraping knife is used, the balancing weight is installed at one end, close to the tool bit assembly 1, of the handle 2 of the long member, so that great force does not need to be applied through the handle 2, the tool bit 12 of the tool bit frame 11 can be in contact with the skin, and hand feeling is good.

As a preferable mode, as shown in fig. 5, 6 and 7, two limit grooves 114 are respectively arranged at two end parts of the back surface of the blade head frame 11, limit stops 133 are arranged on the connecting piece 13 corresponding to the limit grooves 114, the limit stops 133 rotate relatively in the limit grooves 114, so that the relative rotation angle between the blade head frame 11 and the connecting piece 13 is not more than 30 degrees, the limit grooves 114, the limit stops 133, the central axes of the shaft hole 112 and the rotating shaft 131 are all positioned on the same axis, and when the back scraping knife is used, the rotation angle of the blade head frame 11 is not more than 30 degrees, so that the blade surface of the blade head 12 approximately faces the skin direction, and the operation is convenient.

As shown in fig. 8, in the initial state, the cutter head frame 11 is under the gravity of the counterweight block 14, so that the upper edge of the front surface of the cutter head frame 11 is in contact with the skin B for anchoring (the skin B is considered as a horizontal state), at this time, no force is applied to the cutter head assembly 1 by the handle 2, and the plane of the cutter head 12 forms an angle of 27 ° with the skin B.

As shown in fig. 9, in a use state, the operation handle 2 applies force to the cutter head frame 11, so that the cutter head frame 11 and the connecting piece 13 rotate relatively to generate a rotation moment, the cutter head frame 11 rotates towards the direction of the skin B by taking the upper edge of the cutter head frame 11 as a rotation axis, the plane of the cutter head 12 on the front surface of the cutter head frame 11 completely contacts with the skin B and continues to rotate, the cutter head 12 on the front surface of the cutter head frame 11 is recessed to 3 degrees below the skin B, the blade surface of the cutter head 12 is closely contacted with the skin B, and smooth hair shaving is realized when the handle 2 is moved.

Implement the utility model discloses an embodiment one has following profitable technological effect:

the utility model discloses in, be close to the top edge department at the tool bit frame and be equipped with weight additional mechanism, feel during operating handle, the smooth shaving can be realized to the laborsaving operation.

Referring to fig. 10 and fig. 11, in order to achieve a better shaving effect of the dorsum shaver, as a further improvement on the first embodiment, a second embodiment is proposed, most of the structure of the second embodiment is the same as that of the first embodiment, the dorsum shaver is formed by assembling the cutter head assembly 1 and the handle 2, two elastic pieces 132 with the same structure are extended from one side of the connecting member 13 away from the handle 2, the elastic pieces 132 are both arc-shaped, preferably, the elastic pieces 132 and the connecting member 13 are integrally formed, a sliding block 113 corresponding to the elastic pieces 132 is arranged on the back of the cutter head frame 11, and when the cutter head frame 11 rotates relative to the connecting member 13, the free ends of the elastic pieces 132 slide relative to each other along the surfaces of the corresponding sliding blocks 113.

The slider 113 is an arc-shaped convex block and is composed of a first arc-shaped part 113a and a second arc-shaped part 113b, one end of the first arc-shaped part 113a is close to the upper edge of the back of the tool bit frame 11, the other end of the first arc-shaped part 113a is in transitional connection with the second arc-shaped part 113b, the other end of the second arc-shaped part 113b is close to the lower edge of the back of the tool bit frame 11, the second arc-shaped part 113b is of an arc-shaped structure, the arc-shaped structure protrudes towards the outer side of the back of the tool bit frame 11, preferably, the slider 113 and the tool bit frame 11 are integrally formed, the assembling is convenient, and the cost is reduced.

Further, the number of the sliding blocks 113 is two, the two sliding blocks 113 have the same structure, the number of the elastic pieces 132 corresponding to the sliding blocks 113 is two, and the free ends of the two elastic pieces 132 synchronously slide to the arc-shaped bottom along the arc-shaped top of the two sliding blocks 113, so that the counter force generated by the force applied by the handle 2 is increased, the stability when the cutter head frame 11 and the connecting piece 13 rotate relatively is improved, and the smooth and reliable shaving of the hair by smoothly clinging the blade surface of the cutter head 12 to the skin is better realized.

When the shaver is used, the handle 2 is operated to apply force between the shaver head frame 11 and the connecting piece 13 to generate a rotating moment, the shaver head frame 11 and the connecting piece 13 rotate relatively to each other, so that the blade surface of the shaver head 12 of the shaver head frame 11 contacts with the skin, when the free end of the elastic piece 132 slides onto the first arc-shaped part 113a along the arc-shaped top part of the second arc-shaped part 113b while the shaver head frame 11 and the connecting piece 13 rotate relatively to each other, the force resisting the force is generated and reaches balance, the shaver head frame 12 rotates smoothly relative to the connecting piece 13, so that the blade surface of the shaver head 11 is closely attached to the skin along the undulation, and the blade surface of the shaver head 11 can be smoothly attached to the skin to remove the hair smoothly and reliably.

Implement the embodiment two of the utility model, following profitable technological effect has:

the handle applies a rotating moment on the connecting piece relative to the cutter head frame, the free end of the elastic sheet slides to the other end along one end of the corresponding slide block to generate a moment which is opposite to the moment and reaches balance, the cutter head surface of the cutter head frame rotates relatively gently, so that the blade surface of the cutter head is tightly attached to the fluctuant skin, the smooth hair shaving effect is realized, the design structure is simple, the human engineering is met, and the operation is convenient.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a novel scrape back of body sword, includes tool bit subassembly (1) and handle (2) be connected with tool bit subassembly (1), wherein, tool bit subassembly (1) includes tool bit frame (11), tool bit (12) and connecting piece (13), installs tool bit (12) in the front embedding of tool bit frame (11), and the back and the connecting piece (13) of tool bit frame (11) are connected through the pivot, its characterized in that is provided with weight additional mechanism on tool bit frame (11).

2. The new back scraping knife according to claim 1, characterized in that the weight attachment means are provided on the back of the blade frame (11) near the upper edge.

3. The novel back scraping knife of claim 2, characterized in that the weight attachment mechanism is a weight block (14), and the weight block (14) has a weight of 10-30 grams.

4. The new back scraping knife of claim 3, wherein the weight block (14) is made of metal.

5. The new back scraping knife as claimed in claim 4, characterized in that, the distance from both sides of the weight block (14) to both side edges of the blade frame (11) is equal.

6. The novel back scraping knife as claimed in claim 5, characterized in that the counterweight (14) is fixedly connected with the knife head frame (11) by means of screws (15).

7. The novel back scraping knife according to claim 1, characterized in that a limiting groove (114) is arranged on the back of the knife head frame (11), a limiting stop (133) is arranged on the connecting piece (13), and the limiting stop (133) rotates relatively in the limiting groove (114) to realize that the relative rotation angle of the knife head frame (11) and the connecting piece (13) is not more than 30 degrees.

8. The new back scraping knife as claimed in claim 7, characterized in that the limit groove (114) and the limit stop (133) are coaxial with the shaft.

9. The novel back scraping knife as claimed in claim 1, characterized in that the side of the connecting piece (13) close to the knife head frame (11) is provided with an elastic sheet (132), and the free end of the elastic sheet (132) can slide relatively along a sliding block (113) arranged on the back of the knife head frame (11).

10. The novel back scraping knife as claimed in claim 9, characterized in that the sliding block (113) is a circular arc shaped projection, one end of which is close to the upper edge of the knife head frame (11) and the other end of which is close to the lower edge of the knife head frame (11).