CN218998591U

CN218998591U - Needle selector structure convenient to assembly

Info

Publication number: CN218998591U
Application number: CN202222943774.0U
Authority: CN
Inventors: 孙灏
Original assignee: Shenzhen Tongyan Intelligent Technology Co ltd
Current assignee: Shenzhen Tongyan Intelligent Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-05-09
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a needle selector structure convenient to assemble in the field of needle selectors, which comprises an aluminum frame, wherein a spacer is integrally formed in the middle of the aluminum frame, mounting grooves are uniformly formed in the two opposite side walls of the aluminum frame, mounting positioning pin holes in triangular layout are formed in the mounting grooves of the aluminum frame, and PCB mounting holes are formed in four corners in the mounting grooves of the aluminum frame. According to the utility model, through the matching of the first positioning holes of the isolating sheets, the first positioning holes of the electromagnets on the first PCB and the third PCB, and the second positioning holes of the electromagnets, and the first positioning posts of the electromagnets and the second positioning posts of the electromagnets, the quick installation and high-precision positioning of the electromagnets can be realized, the positioning and adjusting links in production are avoided, the production process is simple, the subsequent adjusting process is not needed, the production efficiency is improved, the requirements on workers are reduced, the processing of the holes and the shafts is more conventional, the process is mature, and the processing difficulty is low.

Description

Needle selector structure convenient to assembly

Technical Field

The utility model relates to the field of needle selectors, in particular to a needle selector structure convenient to assemble.

Background

The electromagnetic iron head inside the needle selector needs to be aligned with the middle of the cutter head so as to realize normal functions and performances of the product. The existing product directly fixes the electromagnets in the needle selector by screws, and because of large fixing error, the position of each electromagnet needs to be finely adjusted in production. The whole calibration process is time-consuming and labor-consuming and has high requirements on workers. Accordingly, one skilled in the art would be able to provide a needle selector structure that is easy to assemble to address the problems set forth in the background above.

Disclosure of Invention

The utility model aims to provide a needle selector structure convenient to assemble, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a needle selector structure convenient to assembly, includes the aluminium frame, aluminium frame middle part integrated into one piece has the spacer, the uniform body shaping has the mounting groove on the relative both sides wall of aluminium frame, be located on the aluminium frame set up triangle-shaped overall arrangement's installation locating pin hole on the mounting groove, be located the inside four corners department of mounting groove on the aluminium frame has seted up the PCB board mounting hole, the spacer locating hole has been seted up to equidistant on the spacer, be provided with PCB board one and PCB board three in the mounting groove on the aluminium frame, PCB board one and PCB board three four corners department has all seted up the fixed orifices, PCB board one with be located on the PCB board three fixed orifices one side is provided with the cooperation pinhole, PCB board one with a plurality of electro-magnet locating holes one and electro-magnet locating hole two have all been seted up on the PCB board three, PCB board one with between the spacer electro-magnet all install the electro-magnet, electro-magnet one end top and below uniform body shaping have electro-magnet reference column one, electro-magnet reference column one end integrated into one.

As a further scheme of the utility model: the number of the first electromagnet positioning holes is twice as large as the number of the second electromagnet positioning holes, the first electromagnet positioning holes and the second electromagnet positioning holes are in triangular layout, the first electromagnet positioning columns above the electromagnets are matched with the first PCB, the first electromagnet positioning holes on the third PCB and the second electromagnet positioning holes on the third PCB in a positioning manner, and the second electromagnet positioning columns on the electromagnets are matched with the first PCB and the second electromagnet positioning holes on the third PCB in a positioning manner.

As a further scheme of the utility model: and the first PCB and the third PCB are connected with a connecting socket through soldering.

As a further scheme of the utility model: the first PCB and the third PCB are fixedly connected with the aluminum frame through screws penetrating between the PCB mounting holes and the fixing holes.

As a further scheme of the utility model: the aluminum frame is internally connected with a second PCB board through screws, and the second PCB board is connected with a chip and a connecting plug through soldering.

As a further scheme of the utility model: the aluminum frame is positioned on one side of the second PCB and is fixedly connected with an external signal wire socket of the needle selector, the coil on the electromagnet is soldered on the first PCB and the third PCB, signals are connected to the connecting socket through the PCB copper foil, and then the signals are electrically connected with the second PCB through a lead.

As a further scheme of the utility model: and a plurality of magnetic shielding shells are fixedly arranged on the periphery of the electromagnet on the first PCB.

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

according to the utility model, through the matching of the first positioning holes of the isolating sheets, the first positioning holes of the electromagnets on the first PCB and the third PCB, and the second positioning holes of the electromagnets, and the first positioning posts of the electromagnets and the second positioning posts of the electromagnets, the quick installation and high-precision positioning of the electromagnets can be realized, the positioning and adjusting links in production are avoided, the production process is simple, the subsequent adjusting process is not needed, the production efficiency is improved, the requirements on workers are reduced, the processing of the holes and the shafts is more conventional, the process is mature, and the processing difficulty is low.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a view of a PCB of the present utility model after separation;

FIG. 3 is an exploded view of the present utility model;

fig. 4 is a structural diagram of an electromagnet in the present utility model.

In the figure: 1. an aluminum frame; 101. a spacer; 102. spacer positioning holes; 104. a mounting groove; 105. installing a positioning pin hole; 103. PCB board mounting hole; 2. a first PCB board; 201. matching with the pin holes; 202. a fixing hole; 203. a second electromagnet positioning hole; 204. an electromagnet positioning hole I; 3. a second PCB board; 4. a third PCB; 5. an electromagnet; 6. the needle selector is externally connected with a signal wire socket; 7. a magnetic shield case; 8. an electromagnet positioning column I; 9. an electromagnet positioning column II; 10. a connection socket; 11. a connection plug; 12. and a chip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in an embodiment of the utility model, a needle selector structure convenient for assembly includes an aluminum frame 1, a spacer 101 is integrally formed in the middle of the aluminum frame 1, mounting slots 104 are uniformly formed on two opposite side walls of the aluminum frame 1, mounting positioning pin holes 105 with triangular layout are formed on the mounting slots 104 on the aluminum frame 1, PCB mounting holes 103 are formed at four corners inside the mounting slots 104 on the aluminum frame 1, spacer positioning holes 102 are uniformly formed on the spacer 101, a first PCB 2 and a third PCB 4 are formed in the mounting slots 104 on the aluminum frame 1, fixing holes 202 are formed at four corners of the first PCB 2 and the third PCB 4, matching pin holes 201 are formed on one side of the first PCB 2 and the third PCB 4, a plurality of first electromagnet positioning holes 204 and second electromagnet positioning holes 203 are formed on the first PCB 2 and the third PCB 4, an electromagnet 5 is mounted between the first PCB 2 and the spacer 101, an electromagnet positioning post 8 is integrally formed at one end and the other end of the second electromagnet 5, and an electromagnet positioning post 8 is integrally formed at the other end of the second electromagnet 5.

The number of the first electromagnet positioning holes 204 is twice the number of the second electromagnet positioning holes 203, the first two electromagnet positioning holes 204 and the second electromagnet positioning holes 203 are in triangular layout, the first three electromagnet positioning columns 8 above the electromagnet 5 are matched with the first electromagnet positioning holes 204 and the spacer positioning holes 102 on the first PCB 2 and the third PCB 4 in a positioning manner, and the second electromagnet positioning column 9 on the electromagnet 5 is matched with the second electromagnet positioning holes 203 on the first PCB 2 and the third PCB 4 in a positioning manner.

Through adopting above-mentioned technical scheme, can through the spacer locating hole 102 on the spacer and the first 204 and second 203 of electro-magnet locating hole on PCB board 2 and the third 4 of electro-magnet locating hole cooperate with the first 8 and second 9 of electro-magnet locating post on the electro-magnet 5, realize the quick installation and the high accuracy location of electro-magnet 5, remove the location timing link when producing from, production simple process need not follow-up timing process, improve production efficiency, reduce the requirement to the workman, the processing of hole and axle is comparatively conventional moreover, the technology is mature, the processing degree of difficulty is low.

Wherein, all be connected with connecting socket 10 through soldering on PCB board one 2 and the PCB board three 4, PCB board one 2 and PCB board three 4 are fixed a position with aluminium frame 1 through wearing to establish at the inside pin of installation location pinhole 105 and cooperation pinhole 201, PCB board one 2 and PCB board three 4 and aluminium frame 1 are through wearing to establish the screw fixed connection between PCB board mounting hole 103 and fixed orifices 202, can realize the location installation to PCB board one 2 and PCB board three 4, the pin can effectually avoid displacement removal when the installation of PCB board one 2 and PCB board three 4, greatly reduced the installation degree of difficulty, improve the precision of installation.

Wherein, the inside of the aluminum frame 1 is connected with a second PCB 3 through screws, and the second PCB 3 is connected with a chip 12 and a connecting plug 11 through soldering.

The aluminum frame 1 is fixedly connected with the pin selector external signal wire socket 6 on one side of the second PCB 3, the coil on the electromagnet 5 is soldered on the first PCB 2 and the third PCB 4, signals are connected to the connecting socket 10 through the PCB copper foil, and the wires are electrically connected with the second PCB 3, so that the whole product wire harness is simple and neat, and the product failure rate is reduced.

The first PCB 2 and the third PCB 4 are fixedly provided with a plurality of magnetic shielding shells 7 at the periphery of the electromagnet 5, the magnetic shielding shells 7 are surrounded outside the electromagnet to reduce magnetic resistance and strengthen magnetic induction intensity, so that magnetic force is larger, electromagnet current is smaller, the magnetic shielding shells 7 are welded on the PCB, cost is low, and process is simple.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Needle selector structure convenient to assembly, including aluminium frame (1), its characterized in that: the middle part integrated into one piece has spacer (101), the uniform body shaping has mounting groove (104) on the relative both sides wall of aluminum frame (1), be located on aluminum frame (1) set up triangle-shaped overall arrangement's installation location pinhole (105) on mounting groove (104), be located PCB board mounting hole (103) have been seted up in the inside four corners department of mounting groove (104) on aluminum frame (1), spacer locating hole (102) have been seted up to equidistant on spacer (101), be provided with PCB board one (2) and PCB board three (4) in mounting groove (104) on aluminum frame (1), the four corners of the first PCB (2) and the third PCB (4) are respectively provided with a fixing hole (202), the first PCB (2) and the third PCB (4) are respectively provided with a matching pin hole (201) on one side of the fixing hole (202), the first PCB (2) and the third PCB (4) are respectively provided with a plurality of first electromagnet locating holes (204) and second electromagnet locating holes (203), electromagnets (5) are respectively arranged between the first PCB (2) and the third PCB (4) and the isolating sheet (101), an electromagnet locating column (8) is uniformly formed above one end and below one end of the electromagnet (5), and an electromagnet positioning column II (9) is integrally formed at the bottom end of the other end of the electromagnet (5).

2. A needle selector structure for facilitating assembly as defined in claim 1, wherein: the number of the first electromagnet positioning holes (204) is twice the number of the second electromagnet positioning holes (203), two first electromagnet positioning holes (204) and one second electromagnet positioning holes (203) are in triangular layout, three first electromagnet positioning columns (8) above the first electromagnet (5) are in positioning fit with the first electromagnet positioning holes (204) and the spacer positioning holes (102) on the first PCB (2) and the third PCB (4), and one second electromagnet positioning column (9) on the first electromagnet (5) is in positioning fit with the first PCB (2) and the second electromagnet positioning holes (203) on the third PCB (4).

3. A needle selector structure for facilitating assembly as defined in claim 1, wherein: and the first PCB (2) and the third PCB (4) are connected with a connecting socket (10) through soldering.

4. A needle selector structure for facilitating assembly as defined in claim 1, wherein: the first PCB (2), the third PCB (4) and the aluminum frame (1) are positioned by penetrating through pins inside the installation positioning pin holes (105) and the matching pin holes (201), and the first PCB (2), the third PCB (4) and the aluminum frame (1) are fixedly connected by penetrating through screws between the PCB installation holes (103) and the fixing holes (202).

5. A needle selector structure for facilitating assembly as defined in claim 1, wherein: the aluminum frame (1) is internally connected with a second PCB (3) through screws, and the second PCB (3) is connected with a chip (12) and a connecting plug (11) through soldering.

6. The needle selector structure for easy assembly of claim 5, wherein: the aluminum frame (1) is positioned on one side of the PCB II (3) and fixedly connected with a pin selector external signal wire socket (6), the coil on the electromagnet (5) is soldered on the PCB I (2) and the PCB III (4), signals are connected to the connecting socket (10) through the PCB copper foil, and then the wires are electrically connected with the PCB II (3).

7. A needle selector structure for facilitating assembly as defined in claim 1, wherein: and a plurality of magnetic shielding shells (7) are fixedly arranged on the periphery of the electromagnet (5) on the first PCB (2) and the third PCB (4).