Improved triangular felting needle

Abstract

The utility model relates to the technical field of pricking needles, in particular to an improved triangular pricking needle which comprises a needle handle, a needle body and a needle sleeve, the needle body is arranged at the lower end of the needle handle, the needle sleeve is connected to the upper portion of the needle handle, a needle tail is arranged at the upper end of the needle handle, first limiting grooves are formed in the two sides of the needle tail, and multiple sets of open tooth grooves, pricking grooves and pull-back grooves are formed in the outer portion of the needle body. An upper limiting plate is arranged at the upper end of the needle sleeve, an inserting through groove is formed in the middle of the needle sleeve and the upper limiting plate, a plurality of sets of second limiting grooves are formed in the outer portion of the upper limiting plate, a clamping groove is formed in the upper limiting plate, and a third limiting groove is formed in the position, close to the edge, of the upper end of the upper limiting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of pricking needles, in particular to an improved triangular pricking needle. Background Art

[0002] Under the action of up and down puncture, the needle tail at the upper end of the triangular needle and the needle plate connected to the needle tail are easy to wear, affecting the overall stability and service life. When the triangular needle is pierced downward, the unstable part after piercing is easy to float on the upper part and fall off later.

[0003] Therefore, it is necessary to design an improved triangular needle to solve the problems in the above-mentioned background technology. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art and provides an improved triangular needle.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An improved triangular needle comprises a needle handle, a needle body and a needle sleeve, wherein the lower end of the needle handle is provided with the needle body, and the upper part of the needle handle is connected with the needle sleeve;

[0007] The upper end of the needle handle is provided with a needle tail, and both sides of the needle tail are provided with first limiting grooves;

[0008] The needle body is provided with a plurality of groups of open tooth grooves, piercing grooves and pull-back grooves on the outside;

[0009] An upper limit plate is provided at the upper end of the needle sleeve, a plug-in slot is provided between the needle sleeve and the upper limit plate, a plurality of groups of second limit slots are provided outside the upper limit plate, a clamping slot is provided on the upper limit plate, and a third limit slot is provided at the upper end of the upper limit plate near the edge.

[0010] As a preferred solution of the utility model, the needle handle and the plug-in slot are connected by plugging.

[0011] As a preferred solution of the utility model, the clamping groove and the first limiting grooves on both sides of the needle tail are connected by clamping.

[0012] As a preferred solution of the utility model, the upper limit plate and the needle plate are connected by clamping and are clamped by the second limit groove and the third limit groove.

[0013] As a preferred solution of the utility model, the needle body is a triangular needle.

[0014] As a preferred solution of the utility model, the piercing groove and the pull-back groove are arranged on the triangular edge of the needle body, and the open tooth groove is arranged on the triangular surface of the needle body.

[0015] To sum up, the technical effects and advantages of the utility model are as follows: the improved triangular pricking needle, the needle handle and the plug-in slot are connected by plugging, the card slot and the first limit slots on both sides of the needle tail are connected by snapping, the upper limit plate and the needle plate are snap-connected and clamped by the second limit slot and the third limit slot, forming a stable detachable installation structure, which is convenient for replacement and effectively reduces the wear of the connection between the needle tail and the needle plate, and improves the service life. The needle body is a triangular pricking needle, the pricking groove and the pull-back groove are arranged on the triangular edge of the needle body, and the open tooth groove is arranged on the triangular surface of the needle body to form a multiple puncture structure, which improves processing efficiency. The pull-back groove can bring the unstable part after puncturing back to the surface, which is convenient for the next puncture, and the open tooth groove, the pricking groove and the pull-back groove are all rounded structures, which reduce wire drawing when pulling up. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall structure diagram of the utility model;

[0017] Figure 2 This is a bottom structure diagram of the utility model;

[0018] Figure 3 This is an enlarged structural diagram of part A of the utility model;

[0019] Figure 4 This is a structural diagram of a needle sleeve of the utility model;

[0020] Figure 5 This is a structural diagram of the upper portion of the needle handle of the utility model.

[0021] In the figure: 1, needle handle; 101, needle tail; 102, first limiting groove; 2, needle body; 201, open tooth groove; 202, thorn groove; 203, pull-back groove; 3, needle sleeve; 301, second limiting groove; 302, plug-in through groove; 303, third limiting groove; 304, upper limiting plate; 305, card slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-Figure 5A modified triangular pricking needle comprises a needle handle 1, a needle body 2 and a needle sleeve 3, wherein the needle body 2 is arranged at the lower end of the needle handle 1, and the needle sleeve 3 is connected to the upper part of the needle handle 1; a needle tail 101 is arranged at the upper end of the needle handle 1, and first limiting grooves 102 are provided on both sides of the needle tail 101; a plurality of groups of open tooth grooves 201, pricking grooves 202 and pull-back grooves 203 are provided on the outside of the needle body 2; an upper limit plate 304 is arranged at the upper end of the needle sleeve 3, a plug-in through groove 302 is provided between the needle sleeve 3 and the upper limit plate 304, a plurality of groups of second limiting grooves 301 are provided on the outside of the upper limit plate 304, a card groove 305 is provided on the upper limit plate 304, and a third limiting groove 303 is provided near the edge of the upper end of the upper limit plate 304.

[0024] Reference Figure 1 , Figure 2 , Figure 4 and Figure 5 Under the action of the upward and downward puncture of the triangular needle, the needle tail at the upper end of the triangular needle and the needle plate connected to the needle tail are easily worn, affecting the overall stability and service life. The needle handle 1 and the plug-in slot 302 are connected by plugging, the card slot 305 and the first limiting slots 102 on both sides of the needle tail 101 are connected by snapping, the upper limit plate 304 and the needle plate are snap-connected and clamped by the second limiting slot 301 and the third limiting slot 303, forming a stable detachable installation structure, which is convenient for replacement, and effectively reduces the wear of the connection between the needle tail 101 and the needle plate, thereby improving the service life.

[0025] Reference Figure 1 , Figure 2 and Figure 3 When the triangular needle is piercing, the unstable part after piercing is easy to float on the upper part and easy to fall off later. The needle body 2 is a triangular needle, and the piercing groove 202 and the pull-back groove 203 are arranged on the triangular edge of the needle body 2. The open tooth groove 201 is arranged on the triangular surface of the needle body 2 to form a multiple puncture structure to improve the processing efficiency. The pull-back groove 203 can bring the unstable part after piercing back to the surface to facilitate the next piercing. The open tooth groove 201, the piercing groove 202 and the pull-back groove 203 are all rounded structures to reduce wire drawing when pulling up.

[0026] Working principle: the needle handle 1 of the improved triangular pricking needle is connected to the plug-in slot 302 by plugging, the card slot 305 and the first limiting slots 102 on both sides of the needle tail 101 are connected by snapping, the upper limit plate 304 is snap-connected to the needle plate and limited and clamped by the second limiting slot 301 and the third limiting slot 303, forming a stable detachable installation structure, which is convenient for replacement and effectively reduces the wear of the connection between the needle tail 101 and the needle plate, and improves the service life. The needle body 2 is a triangular pricking needle, the pricking slot 202 and the pull-back slot 203 are arranged on the triangular edge of the needle body 2, and the open tooth groove 201 is arranged on the triangular surface of the needle body 2, forming a multiple puncture structure, which improves the processing efficiency. The pull-back slot 203 can bring the unstable part after puncturing back to the surface, which is convenient for the next puncture, and the open tooth groove 201, the pricking slot 202 and the pull-back slot 203 are all rounded structures, which reduce wire drawing when pulling up.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An improved triangular needle, comprising a needle handle (1), a needle body (2) and a needle cover (3), characterized in that: The lower end of the needle handle (1) is provided with a needle body (2), and the upper part of the needle handle (1) is connected with a needle sleeve (3); The upper end of the needle handle (1) is provided with a needle tail (101), and first limiting grooves (102) are provided on both sides of the needle tail (101); The needle body (2) is provided with a plurality of groups of open tooth grooves (201), piercing grooves (202) and pull-back grooves (203) on the outside; An upper limit plate (304) is provided at the upper end of the needle sleeve (3), a plug-in slot (302) is provided between the needle sleeve (3) and the upper limit plate (304), a plurality of groups of second limit slots (301) are provided outside the upper limit plate (304), a clamping slot (305) is provided on the upper limit plate (304), and a third limit slot (303) is provided at the upper end of the upper limit plate (304) near the edge.

2. The improved triangular needle according to claim 1, characterized in that: The needle handle (1) and the plug-in slot (302) are connected via plug-in.

3. The improved triangular needle according to claim 1, characterized in that: The clamping groove (305) and the first limiting grooves (102) on both sides of the needle tail (101) are connected by clamping.

4. The improved triangular needle according to claim 1, characterized in that: The upper limit plate (304) and the needle plate are connected by clamping and are clamped by the second limit groove (301) and the third limit groove (303).

5. The improved triangular needle according to claim 1, characterized in that: The needle body (2) is a triangular needle.

6. The improved triangular needle according to claim 1, characterized in that: The pricking groove (202) and the pull-back groove (203) are arranged on the triangular edge of the needle body (2), and the open tooth groove (201) is arranged on the triangular surface of the needle body (2).

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