Pin structure

Abstract

The utility model relates to the field of PIN packaging, in particular to a pin structure, which comprises a fixed seat, a pair of PINs are arranged on the fixed seat at intervals, each PIN is U-shaped, and the two ends of each PIN extend to the outside of the fixed seat, the PINs in the application are U-shaped structures, and the two ends of each PIN extend to the outside of the fixed seat. In this way, when a user welds the ceramic chip and the lead through the PIN needle, the ceramic chip and the lead can be welded to the two ends of the PIN needle respectively, the PIN needle body is of the U-shaped structure, a certain distance is formed between the two ends of the PIN needle, and therefore when the user conducts welding, enough welding space can be reserved, and welding efficiency is improved. The situation that repeated welding is conducted on the same welding spot is avoided, and the quality of the welding spot is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to PIN needle packaging technical field, especially a plug pin structure. BACKGROUND

[0002] In piezoelectric ceramic application, the plug pin structure is a kind of key components, and its main function is to realize the reliable connection of piezoelectric ceramic sheet and external circuit.The PIN needle of plug pin structure is connected with the lead-out wire of piezoelectric ceramic sheet at one end, and the other end can be directly connected with the PCBA of whole machine system, or indirectly connected to external circuit by the way of soldering lead wire.

[0003] The PIN needle is directly inserted into the fixed seat vertically when being set, and the PIN needle is set in this way so that one end is located outside and the other end is located inside, when user is soldering ceramic sheet and lead wire through PIN needle, can only be soldered at the part of PIN needle exposed outside, since PIN needle itself is small in structure, causes the welding area to be too short, and it is easy to repeatedly solder at the same position when soldering.If repeatedly soldering operation is carried out at the same position, it can cause the quality of welding point to decline. UTILITY MODEL CONTENTS

[0004] The utility model aims at the problem that traditional PIN needle is repeatedly soldered at the same welding point when soldering ceramic sheet and lead wire, and the quality of welding point declines due to PIN needle being vertically set in fixed seat, and provides a plug pin structure.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the technical scheme that:

[0006] A plug pin structure, comprising a fixed seat, a pair of PIN needles are arranged on the fixed seat at intervals, each PIN needle is arranged in U shape, and the end heads of the two ends of the PIN needle extend to the outside of the fixed seat.

[0007] The utility model is a plug pin structure, the PIN needle is arranged in U shape in the application, and the end heads of the two ends of the PIN needle extend to the outside of the fixed seat, so that user can solder ceramic sheet and lead wire at the two ends of PIN needle when soldering ceramic sheet and lead wire through PIN needle, and the PIN needle body is U-shaped structure, so that the two ends of PIN needle have a certain spacing, so that user can reserve enough welding space when soldering, to avoid repeatedly soldering at the same welding point, and ensure the quality of welding point.

[0008] As a preferred scheme of the utility model, the fixed seat comprises at least two installation grooves arranged at intervals, and one PIN needle is arranged in each installation groove.

[0009] The PIN needle is arranged in the mounting groove in the fixing base, so that the PIN needle is stably connected with the fixing base.

[0010] The mounting groove comprises a horizontal groove, which is arranged in the fixing base.

[0011] The PIN needle is arranged in the mounting groove in the fixing base, so that the PIN needle is stably connected with the fixing base.

[0012] The opening of each insertion hole is directed to the same end face of the fixing base.

[0013] The opening of each insertion hole is directed to the same end face of the fixing base.

[0014] The PIN needle comprises a pre-buried part, which is matched with the horizontal groove.

[0015] The PIN needle is arranged in the mounting groove in the fixing base, so that the PIN needle is stably connected with the fixing base.

[0016] The PIN needle comprises a pre-buried part, which is matched with the horizontal groove.

[0017] The PIN needle comprises a pre-buried part, which is matched with the horizontal groove.

[0018] Due to the different lengths of the welding heads, the operator can quickly distinguish the lead wire welding head and the ceramic sheet welding head during assembly, avoids error connection due to confusion, and improves the assembly accuracy and production efficiency; the welding heads with different lengths provide an intuitive identification method, so that the worker can quickly determine the welding position and the connection object without additional marking or measurement during welding, reduces the assembly time, and improves the work efficiency.

[0019] As a preferred scheme of the present application, the distance from the top of the lead wire welding head to the end face of the fixing seat is 4mm, and the distance from the top of the ceramic sheet welding head to the end face of the fixing seat is 1mm-1.5mm.

[0020] As a preferred scheme of the present application, the one side of the fixing seat away from the PIN pin end head is provided with a boss part.

[0021] As a preferred scheme of the present application, the fixing seat is injection molded.

[0022] The fixing part is injection molded, so that the connection between the fixing part and the PIN pin is more close.

[0023] In summary, due to the adoption of the above technical scheme, the present application has the following beneficial effects:

[0024] 1、The present application is a kind of pin structure, PIN pin is provided with U-shaped structure in the present application, and the both ends of the PIN pin extend to the outside of the fixing seat, so that the user can weld the ceramic sheet and the lead wire on the both ends of the PIN pin when welding the ceramic sheet and the lead wire through the PIN pin, and the PIN pin body is U-shaped structure, so that the both ends of the PIN pin have a certain spacing, so that the user can reserve enough welding space when welding, avoid the situation of repeated welding at the same welding point, and ensure the quality of the welding point. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a schematic view of the pin structure of the present application;

[0026] Figure 2 It is a sectional view of the fixing seat of the present application;

[0027] Figure 3 It is a structure view of the PIN pin of the present application.

[0028] Icon: 1-fixing seat;11-mounting groove;111-horizontal groove;112-jack;12-boss part;2-PIN pin;21-embedded part;22-welding head;221-lead wire welding head;222-ceramic sheet welding head. DETAILED DESCRIPTION

[0029] The utility model will be described in further detail below in connection with specific embodiments. However, this should not be understood as limiting the scope of the above-mentioned subject matter of the utility model to the following embodiments only, and any technology realized based on the content of the utility model falls within the scope of the utility model.

[0030] In the description of the embodiments of the utility model, the terms indicating the orientation or positional relationship of "up", "down", "left", "right", "center", "inner", "outer", etc. are based on the orientation or positional relationship of the product / device / apparatus of the utility model when it is usually used. These terms of orientation or positional relationship are only used for the convenience of describing the scheme of the utility model or simplifying the description in the embodiments, so as to facilitate the quick understanding of the scheme by the technicians, and should not be understood as indicating or implying that the specific device / component / element must have a specific orientation or be constructed and operated in a specific positional relationship, and therefore should not be understood as limiting the utility model.

[0031] In addition, the terms "horizontal", "vertical", "overhanging", "parallel", etc. do not mean that the corresponding device / component / element must be absolutely horizontal or vertical or overhanging or parallel, but can be slightly inclined or deviated. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. Alternatively, it can be understood as that the corresponding device / component / element is arranged in the direction of "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction, more preferably an error / deviation of ±8% or less, more preferably an error / deviation of ±6% or less, more preferably an error / deviation of ±5% or less, and more preferably an error / deviation of ±4% or less. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the scheme of the utility model.

[0032] In addition, the terms "first", "second", "third", etc. in the terms are only used to distinguish the description of the same or similar components, and should not be understood as emphasizing or implying the relative importance of the specific components.

[0033] In addition, in the description of the embodiments of the utility model, "several", "a plurality of", "several" represent at least 2. It can be 2, 3, 4, 5, 6, 7, 8, 9, etc. in any case, and even more than 9.

[0034] Furthermore, in the description of the technical solutions of the utility model, unless otherwise explicitly specified / limited / limited, the terms "set", "install", "connect", "connect", "set", "lay", "arrange" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, which can be welding, riveting, bolting, screwing and other commonly used connection means in the art. The connection can be mechanical connection, electrical connection or communication connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements.

[0035] Embodiment 1

[0036] As Figure 1 , Figure 2 and Figure 3 A pin structure, comprising a fixed seat 1 formed by injection molding, the fixed seat 1 is provided with a mounting groove for mounting a PIN needle 2, the PIN needle 2 is a U-shaped structure, comprising a pre-embedded part 21 located in the fixed seat 1, both ends of the pre-embedded part 21 are provided with a welding head 22, and each end of the welding head 22 is perpendicular to the pre-embedded part 21 and extends to the outside of the fixed seat 1.

[0037] Further, each welding head 22 extends towards the same end face of the fixed seat 1, when a user needs to connect a ceramic sheet and a lead wire through the pin structure, since the PIN needle of the present application is U-shaped, both ends of the PIN needle extend to the outside of the end face of the fixed seat 1, so that the user can connect the ceramic sheet and the lead wire at both ends of the PIN needle 2 when connecting, so that the user can avoid repeatedly welding the same welding point when welding, and the quality of the welding point is improved. Since the PIN needle in the present application is a U-shaped structure, the two ends of the PIN needle have a certain spacing, and when the user welds, the welding points at both ends have a certain spacing and do not conflict.

[0038] In one or more embodiments, the mounting groove 11 comprises a horizontal groove 111 inside the fixed seat 1, and the PIN needle 2 comprises a pre-embedded part 21 connected with the horizontal groove 111, and the connection of the horizontal groove 111 and the pre-embedded part 21 strengthens the stability of the entire PIN needle 2.

[0039] Further, the horizontal groove 111 is provided with a jack 112 for mounting the welding head 22 at both ends, each jack 112 is in communication with the horizontal groove 111 and is perpendicular to the horizontal groove 111, as Figure 2 shown.

[0040] In one or more embodiments, the welding head 22 includes a lead wire welding head 221, one end of which is connected with the embedded part 21, and the other end extends to the outside of the fixed seat 1 through the insertion hole 112, and the distance between the end of the lead wire welding head 221 and the end face of the fixed seat 1 is 4 mm; the welding head 22 also includes a ceramic sheet welding head 222, one end of which is connected with the embedded part 21, and the connection point is located at the end of the embedded part 21 away from the lead wire welding head 221; the end of the ceramic sheet welding head 222 not connected with the embedded part 21 extends to the outside of the fixed seat 1 through the insertion hole 112, and the distance between the end of the ceramic sheet welding head 222 and the end face of the fixed seat 1 is 1-1.5 mm; since the lengths of the welding heads 22 are different, the operator can quickly distinguish the lead wire welding head 221 and the ceramic sheet welding head 222 during assembly, so as to avoid incorrect connection due to confusion and improve the assembly accuracy and production efficiency; the welding heads 22 with different lengths provide an intuitive identification method, so that the worker can quickly determine the welding position and the connection object without additional marking or measurement during welding, thereby reducing the assembly time and improving the work efficiency, such as Figure 2 As shown in Figure 3 .

[0041] In one or more embodiments, the fixed seat 1 is manufactured by an injection molding process, in which the PIN pin 2 is first positioned in the mold, and then injection coating is performed to ensure that the PIN pin and the fixed seat form a firm integrated structure.

[0042] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pin structure, characterized by, The utility model provides a fixing seat (1) is provided with a pair of PIN needle (2) on interval, each PIN needle (2) is arranged in U shape, and the both ends of PIN needle (2) extend to the outside of fixing seat (1).

2. The pin structure according to claim 1, wherein The fixing seat (1) comprises at least two mounting grooves (11) arranged at intervals, and each mounting groove (11) is provided with a PIN needle (2).

3. The pin structure of claim 2, wherein The mounting groove (11) comprises a horizontal groove (111) located inside the fixing seat (1), and the both ends of the horizontal groove (111) are provided with a jack (112), each jack (112) is in communication with the horizontal groove (111), and the jack (112) is perpendicular to the horizontal groove (111).

4. The pin structure of claim 3, wherein The opening of each jack (112) faces the same end face of the fixing seat (1).

5. The pin structure of claim 4, wherein The PIN needle (2) comprises a pre-buried part (21) matched with the horizontal groove (111), and the both ends of the pre-buried part (21) are provided with a welding head (22), each welding head (22) is matched with the corresponding jack (112).

6. The pin structure of claim 5, wherein The welding head (22) comprises a lead welding head (221) connected with the pre-buried part (21) at one end and extended to the outside of the fixing seat (1) through the jack (112) at the other end, and a ceramic sheet welding head (222) connected with the pre-buried part (21) at one end away from the lead welding head (221) and extended to the outside of the fixing seat (1) through the jack (112) at the other end.

7. The pin structure of claim 6, wherein The length of the lead welding head (221) is longer than that of the ceramic sheet welding head (222).

8. The pin structure of claim 7, wherein, The distance from the top of the lead welding head (221) to the end face of the fixing seat (1) is 4mm, and the distance from the top of the ceramic sheet welding head (222) to the end face of the fixing seat (1) is 1mm-1.5mm.

9. The pin structure according to any one of claims 1-8, wherein, The fixing seat (1) is provided with a boss part (12) away from the end of the PIN needle (2).

10. The pin structure according to any one of claims 1-8, wherein, The fixing seat (1) is injection molded.

Images