PIN assembly

Abstract

The utility model discloses a PIN assembly. The PIN assembly comprises a plurality of PINs; the substrate comprises a main part and a plurality of branch parts which are arranged in rows and extend from the main part, the plurality of branch parts are respectively connected with the plurality of PINs in a one-to-one correspondence manner, the joints of the branch parts and the PINs are pre-broken parts, and the pre-broken parts are arranged to be broken so that the substrate can be separated from the plurality of PINs. According to the utility model, the original single PIN needle is changed into an integral design through the removable base body, so that when the skeleton is subjected to injection molding, the integral PIN needle assembly is put into a mold, and when the mold is closed, the problems of short circuit and damage caused by pressing of the mold due to the fact that the single PIN needle is easy to skew and touch other PIN needles can be avoided; and compared with the prior art in which the PINs are placed one by one, the efficiency of placing the whole row of PINs at one time is greatly improved.

Description

Technical Field

[0001] The utility model relates to a rotary transformer, in particular to a PIN needle of the rotary transformer, and belongs to the technical field of electronic components. Background Art

[0002] In the manufacturing process of the existing rotary transformer, the insulating frame is connected to the PIN pins through injection molding. However, during the injection molding, the six PIN pins (one PIN pin is connected to the head and tail of each of the three groups of coils, namely the excitation, sine and cosine) need to be placed into the mold one by one, and then the frame is injection molded. The disadvantage of this is that when the mold is closed, a single PIN pin is easily skewed or misaligned, causing the PIN pins to touch each other, resulting in a short circuit of the PIN pins, or even crushing the PIN pins. Utility Model Content

[0003] In view of this, the utility model proposes an improved PIN needle design to solve the problem in the prior art that the PIN is easily short-circuited and the PIN needle is crushed by the mold during the injection molding of the frame.

[0004] The technical solution proposed by the utility model to solve the above problems is as follows:

[0005] A PIN needle assembly comprises: a plurality of PIN needles; and a base body, comprising a main body and a plurality of branch parts extending from the main body in a row, wherein the plurality of branch parts are respectively connected to the plurality of PIN needles in a one-to-one correspondence, and the connection between the branch parts and the PIN needles is a pre-breaking part, and the pre-breaking part is configured to be broken so that the base body can be separated from the plurality of PIN needles.

[0006] Compared with the prior art, the beneficial effect of the above technical solution proposed by the utility model is embodied in that the original single PIN pin is transformed into an integral design through a removable substrate. In this way, when performing skeleton injection molding, the integral PIN pin assembly is placed in the mold, and when the mold is closed, the problem of a single PIN pin easily tilting and touching other PIN pins to cause a short circuit or being crushed by the mold can be avoided. Moreover, compared with the prior art of placing a whole row of PIN pins one by one, the efficiency is much improved by placing the whole row of PIN pins at one time.

[0007] Furthermore, the PIN needle includes: a connecting portion and a wiring needle integrally formed with the connecting portion, the wiring needle is perpendicular to a surface of the connecting portion, and the connecting portion is connected to the branch portion of the base.

[0008] Furthermore, a first positioning portion is provided on the main body portion for positioning the PIN needle assembly when it is placed in a skeleton forming mold.

[0009] Furthermore, the first positioning portion includes a plurality of first positioning holes opened on the main body.

[0010] Furthermore, each of the branch portions is provided with a second positioning portion for positioning the PIN needle assembly when it is placed in a skeleton forming mold.

[0011] Furthermore, the second positioning portion is a second positioning hole opened on each of the branch portions and close to one end of the PIN needle.

[0012] Furthermore, a breaking groove is formed on both sides of the pre-breaking portion by stamping.

[0013] Furthermore, the plurality of PIN pins are integrally stamped and formed with the base.

[0014] Furthermore, the plurality of PIN needles include 6 PIN needles, and the plurality of branch portions include 6 branch portions arranged side by side. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of a PIN needle assembly according to an embodiment of the utility model.

[0016] Figure 2 It is a schematic diagram of the connection between the PIN needle and the branch part of the base body in an embodiment of the utility model.

[0017] Figure 3 It is a front view of the pre-cutting part of the PIN needle assembly of the utility model embodiment.

[0018] Figure 4 It is a schematic diagram of the injection molding skeleton and PIN needle assembly of an embodiment of the utility model.

[0019] Explanation of the reference numerals: 100 - skeleton, 10 - PIN needle, 11 - connecting part, 12 - wiring part, 20 - base, 21 - main body, 22 - branch part, 23 - pre-breaking part, 210 - first positioning hole, 220 - second positioning hole, 230 - breaking groove. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods and examples. The purpose of providing the examples is only to illustrate, and not to impose any limitation.

[0021] In addition, terms such as "first" and "second" are only used to distinguish components. It should be understood that these components should not be limited by such terms. They themselves do not mean that these elements have the aforementioned ordinal numbers, nor do they represent the arrangement order of one component and another component or the order of the manufacturing method.

[0022] Please refer to Figure 1The embodiment of the utility model provides a PIN needle assembly, including a plurality of PIN needles 10 and a base 20; the PIN needle 10 includes a connecting portion 11 and a terminal pin 12 integrally formed with the connecting portion 11, the wire end of the winding of the rotary transformer is wound around the terminal pin 12, and the terminal pin 12 is perpendicular to the surface of the connecting portion 11; the base 20 includes a main body 21 and a plurality of branch portions 22 extending from the main body 21 in a row, the plurality of branch portions are respectively connected to the plurality of PIN needles in a one-to-one correspondence, specifically, the PIN needle is connected to the branch portion 22 through its connecting portion 11 and the connecting portion is set as a pre-breaking portion 23, and the pre-breaking portion 23 is set to be broken so that the base 20 can be separated from the plurality of PIN needles. In this way, when the skeleton is injected, the integral PIN needle assembly is placed in the mold, and when the mold is closed, the problem that a single PIN needle is easily skewed and touches other PIN needles to cause a short circuit or is crushed by the mold can be avoided, and the six PIN needles of the rotary transformer can be placed in the mold in a row at one time, which is compared with the prior art of manually placing one by one, and the efficiency is greatly improved. After the frame 100 is injection molded (e.g. Figure 4 ), or after the rotary transformer is manufactured, it is broken from the pre-breaking position, the base 20 is completely removed from the skeleton, and only the PIN needle is retained.

[0023] In some specific embodiments, the number of PIN pins is 6, and the head and tail of the three groups of coils of the rotary transformer, namely the excitation, sine, and cosine, have a total of 6 wire ends, and each wire end is respectively wound around a connection pin of a PIN pin. Figure 1 , accordingly, the number of the branches 22 of the base 20 is also 6. It should be understood that the embodiment of the utility model only lists a common winding setting, and thus gives a specific example of 6 PIN pins and 6 branches. Those skilled in the art can make adaptive adjustments to the number of PIN pins and the number of branches connected thereto according to different settings of the rotary transformer winding, and the utility model does not limit this.

[0024] Continue to refer Figure 1 In some preferred embodiments, a plurality of first positioning holes 210 may be provided on the trunk 21 of the base 20, and / or second positioning holes 220 may be provided on each branch 22 of the base 20, so as to position the PIN pin assembly of this embodiment when it is placed into the skeleton forming mold. This can further prevent the PIN pin from shifting when the mold is closed, and can also help to use a machine to automatically place the PIN pin, thereby further improving efficiency.

[0025] Preferably, the PIN needle assembly of the embodiment of the utility model is formed by metal integral stamping. Figure 2 and Figure 3 A breaking groove 230 is formed on the upper and lower sides of the pre-breaking part 23 by secondary stamping, so as to facilitate the subsequent breaking and removal of the substrate.

[0026] Continue to refer Figure 2 The second positioning hole 220 is preferably arranged at one end of the branch portion 22 close to the PIN needle. The second positioning hole 220 divides the end of the branch portion into two branches. The connection between the two branches and the connecting portion 11 of the PIN needle is provided with a breaking groove.

[0027] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For technicians in the technical field to which the present invention belongs, several equivalent substitutions or obvious variations can be made without departing from the concept of the present invention, and the performance or use is the same, which should be regarded as belonging to the protection scope of the present invention.

Claims

1. A PIN needle assembly, characterized in that: include: A plurality of PIN pins (10); as well as A base (20) comprises a main body (21) and a plurality of branch parts (22) extending from the main body (21) in a row, wherein the plurality of branch parts are connected to the plurality of PIN needles one by one, and the connection between the branch parts and the PIN needles is a pre-breaking part (23), and the pre-breaking part is configured to be broken so that the base can be separated from the plurality of PIN needles.

2. The PIN needle assembly according to claim 1, characterized in that: The PIN needle (10) comprises: a connecting portion (11) and a wiring needle (12) integrally formed with the connecting portion, the wiring needle being perpendicular to the surface of the connecting portion, and the connecting portion being connected to the branch portion (22) of the base.

3. The PIN needle assembly according to claim 1, characterized in that: The main body is provided with a first positioning portion for positioning the PIN needle assembly when it is placed in a skeleton forming mold.

4. The PIN needle assembly according to claim 3, characterized in that: The first positioning portion comprises a plurality of first positioning holes (210) formed on the main body (21).

5. The PIN needle assembly according to claim 3, characterized in that: A second positioning portion is provided on each of the branch portions, which is used for positioning the PIN needle assembly when it is placed in a skeleton forming mold.

6. The PIN needle assembly according to claim 5, characterized in that: The second positioning portion is a second positioning hole (220) formed on each of the branch portions (22) and close to one end of the PIN needle.

7. The PIN needle assembly according to claim 1, characterized in that: A breaking groove (230) is formed on both sides of the pre-breaking portion (23) by punching.

8. The PIN needle assembly according to claim 1, characterized in that: The plurality of PIN pins are integrally stamped and formed with the base.

9. The PIN needle assembly according to claim 1, characterized in that: The plurality of PIN needles include 6 PIN needles, and the plurality of branch parts include 6 branch parts arranged side by side.

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