CN214870530U

CN214870530U - Scriber with replaceable lateral fastening type needle head

Info

Publication number: CN214870530U
Application number: CN202023205372.8U
Authority: CN
Inventors: 王辉
Original assignee: Nanjing Jiangning Higher Vocational And Technical School
Current assignee: Nanjing Jiangning Higher Vocational And Technical School
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-26
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses an interchangeable scratch awl of side direction fastening formula syringe needle in the mechanical tool field, comprising a needle body, the inside of needle body is including square groove, the syringe needle body, fixed slot, swivelling chute and screw, square groove position is seted up in the bottom of needle body, the surface of syringe needle body is pegged graft in the inside in square groove, the fixed slot is located the surface of syringe needle body and is seted up, the swivelling chute is located the surface of needle body and sets up, the surface of screw and the internal thread connection of swivelling chute. Make the syringe needle body pack into the square inslot portion that sets up, aim at the swivelling chute department that sets up with the screw and rotate, make the rotatory inside that gets into the swivelling chute that sets up of screw, continue rotatory screw, make the screw rotatory inside the fixed slot that gets into syringe needle body department and set up to make the syringe needle body fix in the inside of needle body, reached and to carry out the effect of convenient change with the syringe needle of scratch awl, solved current syringe needle in scratch awl formula as an organic whole, when the syringe needle wearing and tearing, just can only carry out the problem of abandoning.

Description

Scriber with replaceable lateral fastening type needle head

Technical Field

The utility model relates to the field of mechanical tools, specifically a scriber that side direction fastening formula syringe needle is replaceable.

Background

Scribers are used by benchers to scribe lines on the surface of a workpiece and are often used with guide tools such as straight steel rulers, ninety degree angle rulers or marking templates.

The needle body part of the present widely used scriber is made of common iron materials, the needle tip part with the front end as the working part is made of alloy, the needle tip and the needle body part are connected into a whole in a welding mode, after the needle tip part cannot be sharpened due to long-time use, the whole scriber needs to be scrapped, the replacement frequency of the scriber is high due to the condition, the scriber is quite wasteful, and when the existing scriber is used for holding to work, the palm does not have a supporting part, the scriber is easy to slip when being held by the palm, and the problem that the work can be influenced is caused. Accordingly, those skilled in the art have provided a side-fastened, replaceable tip scriber to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interchangeable scriber of side direction fastening formula syringe needle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an interchangeable scratch awl of side direction fastening formula syringe needle, includes the needle body, the inside of needle body is including square groove, the syringe needle body, fixed slot, swivelling chute and screw, square groove position is seted up in the bottom of needle body, the surface of syringe needle body is pegged graft in the inside in square groove, the fixed slot is located the surface of syringe needle body and is seted up, the swivelling chute is located the surface of needle body and sets up, the surface of screw and the internal thread connection in swivelling chute.

The surface of the needle body comprises a rod thread body, a sheath, a sleeve thread groove and a cushion, wherein the rod thread body is arranged on the surface of the needle body, the inside of the sheath is connected with the surface of the rod thread body through the sleeve thread groove in a threaded manner, and the surface of the cushion is bonded on the surface of the sheath.

As a further aspect of the present invention: the syringe needle shape is constituteed for cuboid and cone, and the fixed slot is seted up in cuboid department.

As a further aspect of the present invention: the quantity of cushion is a plurality of, and the surface of a plurality of cushions all bonds in the surface of sheath.

As a further aspect of the present invention: the fixing groove is communicated with the inside of the rotating groove.

As a further aspect of the present invention: the sheath is provided with a plurality of rectangles, and the cuboid is connected at the top of the rod thread body.

As a further aspect of the present invention: the diameter of the conical surface of the needle head body is the same as that of the needle body.

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

1. in the utility model, through the matching arrangement of the arranged needle body, the square groove, the needle body, the fixed groove, the rotary groove and the screw, when the needle head needs to be replaced, the screw is supported by using the screwdriver to rotate anticlockwise, so that the screw rotates, the screw is separated from the fixed groove arranged on the needle body and the rotary groove arranged on the surface of the needle body, the screw is taken out, the arranged needle body is pressed by hands to be clamped and pulled out, a new needle head body is replaced, the fixed groove is aligned with the rotary groove, the needle body is arranged in the square groove, the screw is aligned with the rotary groove to rotate, the screw rotates to enter the inner part of the arranged rotary groove, the screw continues to rotate, the screw enters the fixed groove arranged on the needle body, thereby the needle body is fixed in the needle body, and the effect of conveniently replacing the needle head of the scratch needle is achieved, the problem of current syringe needle in scratch needle formula as an organic whole, when the syringe needle wearing and tearing, just can only throw away is solved.

2. The utility model discloses in, through the pole flank of thread that sets up, the sheath, the cooperation setting of cover thread groove and cushion, thereby make when the hand scriber of needs is rule, embolia the needle body surface that sets up with the sheath, and slide the sheath to the pole flank department of needle body, the sheath rotates, the cover thread groove that makes the sheath inner wall carries out threaded connection in the pole flank on needle body surface, and fix the sheath, make the hand hold the sheath, and press on the upper portion of cushion, increase the frictional force of hand in the cushion, and use, reached and conveniently carried out the effect of hand centre gripping scriber, the problem of current scriber not being convenient for to hand has been solved.

Drawings

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

fig. 2 is a front view of fig. 1 in the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 1;

fig. 4 is an enlarged view of the position B in fig. 1 of the present invention.

In the figure: 1. a needle body; 2. a rod thread body; 3. a sheath; 4. a thread groove; 5. a soft cushion; 6. a square groove; 7. a needle head body; 8. fixing grooves; 9. a rotating tank; 10. and (4) screws.

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 work belong to the protection scope of the present invention.

Please refer to fig. 1-4, in the embodiment of the present invention, an interchangeable scratch awl of side direction fastening type syringe needle, including needle body 1, the inside of needle body 1 is including square groove 6, needle body 7, fixed slot 8, swivelling chute 9 and screw 10, square groove 6 is located the bottom of needle body 1 and sets up, peg graft in square groove 6's inside on the surface of needle body 7, fixed slot 8 is located the surface of needle body 7 and sets up, swivelling chute 9 is located the surface of needle body 1 and sets up, the surface of screw thread is in the internal thread connection of swivelling chute 9.

The surface of the needle body 1 comprises a rod thread body 2, a sheath 3, a sleeve thread groove 4 and a cushion 5, the rod thread body 2 is arranged on the surface of the needle body 1, the inside of the sheath 3 is in threaded connection with the surface of the rod thread body 2 through the sleeve thread groove 4, and the surface of the cushion 5 is bonded on the surface of the sheath 3.

Wherein, the needle body 7 is formed by a cuboid and a cone, and the fixing groove 8 is arranged at the cuboid; the number of the soft pads 5 is multiple, the surfaces of the soft pads 5 are all bonded on the surface of the sheath 3, and the soft pads 5 are made of leather; the fixed groove 8 is communicated with the inside of the rotary groove 9; the sheath 3 is provided with a plurality of rectangles, and the cuboid is connected with the top of the rod thread body 2; the diameter of the conical surface of the needle body 7 is the same as that of the needle body 1.

The utility model discloses a theory of operation is: when the needle head needs to be replaced, a screwdriver is used for propping against the arranged screw 10 to rotate anticlockwise, the screw 10 is rotated to be separated from a fixed groove 8 formed in the needle head body 7 and a rotating groove 9 formed in the surface of the needle body 1, the screw 10 is taken out, the arranged needle head body 7 is pressed by hands to be clamped and pulled out, a new needle head body 7 is replaced, the fixed groove 8 is aligned with the rotating groove 9, the needle head body 7 is arranged in a square groove 6, the screw 10 is aligned with the rotating groove 9 to rotate, the screw 10 is rotated into the rotating groove 9, the screw 10 is rotated continuously, the screw 10 is rotated into the fixed groove 8 formed in the needle head body 7, the needle head body 7 is fixed in the needle body 1, when the scribing needle needs to be held by hands to scribe, the sheath 3 is sleeved on the surface of the arranged needle body 1, and the sheath 3 slides to the rod thread body 2 of the needle body 1, the sheath 3 is rotated to screw the thread groove 4 of the inner wall of the sheath 3 to the rod thread body 2 of the surface of the needle body 1, and the sheath 3 is fixed to be held by the hand and pressed on the upper part of the soft pad 5, thereby increasing the friction force of the hand on the soft pad 5 for use.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A scriber with replaceable lateral fastening type needle head, comprising a needle body (1), characterized in that: the needle body (1) is internally provided with a square groove (6), a needle body (7), a fixing groove (8), a rotating groove (9) and a screw (10), the square groove (6) is positioned at the bottom of the needle body (1) and is formed, the surface of the needle body (7) is inserted into the square groove (6), the fixing groove (8) is positioned at the surface of the needle body (7) and is formed, the rotating groove (9) is positioned at the surface of the needle body (1) and is formed, and the surface of the screw is in threaded connection with the inner part of the rotating groove (9);

the surface of needle body (1) is including pole screw thread body (2), sheath (3), cover thread groove (4) and cushion (5), pole screw thread body (2) sets up in the surface of needle body (1), the inside of sheath (3) is through cover thread groove (4) threaded connection in the surface of pole screw thread body (2), the surface of cushion (5) bonds in the surface of sheath (3).

2. A laterally fastened, replaceable tip scriber as claimed in claim 1, wherein: the needle head body (7) is formed by a cuboid and a cone, and the fixing groove (8) is formed in the cuboid.

3. A laterally fastened, replaceable tip scriber as claimed in claim 1, wherein: the number of the soft pads (5) is multiple, and the surfaces of the soft pads (5) are all bonded on the surface of the sheath (3).

4. A laterally fastened, replaceable tip scriber as claimed in claim 1, wherein: the fixed groove (8) is communicated with the inside of the rotating groove (9).

5. A laterally fastened, replaceable tip scriber as claimed in claim 1, wherein: the sheath (3) is provided with a plurality of rectangles, and the cuboids are connected with the top of the rod thread body (2).

6. A laterally fastened, replaceable tip scriber as claimed in claim 1, wherein: the diameter of the conical surface of the needle head body (7) is the same as that of the needle body (1).