Pogo pin connector and data chain equipment

Abstract

The utility model relates to a pogo pin connector and data chain equipment, belongs to the technical field of aerospace, and solves the problem of poor connection stability of a connector in the data chain equipment. The pin structure comprises a pin unit. The pin unit comprises a pin and a needle cylinder assembly; the needle cylinder assembly comprises a needle cylinder; the pin comprises an insertion part, and the needle cylinder comprises a containing part; the insertion part extends into the accommodating part to form pogo pin contact; a notch is formed in the containing part and divides the containing part into a first part and a second part, the diameter of the first part is larger than that of the insertion part, and the diameter of the second part is smaller than that of the insertion part; and the first part is close to one side of the pin. According to the utility model, the connection stability and waterproof performance of the needle cylinder and the pin are improved.

Description

Technical Field

[0001] This utility model relates to the field of aerospace technology, and in particular to a pogo pin connector and a data link device. Background Technology

[0002] Pogo pin connectors, also known as spring pin connectors, work by compressing the pins when they come into contact with a mating interface or component. This compression forces the pins into close contact with the conductor surface of the mating end, enabling circuit continuity. Pogo pin connectors are small and compact, allowing for more functional connections within a limited space, and are therefore widely used in data link devices.

[0003] In use, the Pogo pin connector is aligned and connected to the components in the data link device to establish circuit connectivity. However, poor connection stability is a common issue during this connection process. Furthermore, existing data link devices typically include cooling fans for heat dissipation. The fan's power and speed control cables enter the heatsink cavity through openings at the bottom and connect to the PCB. The waterproofing of these heatsink openings relies on manual application of waterproof adhesive, which results in poor waterproofing performance, impacting the reliability and stability of the device. Utility Model Content

[0004] Based on the above analysis, the present invention aims to provide a pogo pin connector and a data link device to solve the problem of poor connector connection stability in data link devices.

[0005] The objective of this utility model is mainly achieved through the following technical solutions:

[0006] One aspect of this utility model is to provide a pogo pin connector, including a pin unit;

[0007] The pin unit includes a pin and a syringe assembly; the syringe assembly includes a syringe.

[0008] The pin includes an insertion portion, and the syringe includes a receiving portion; the insertion portion extends into the receiving portion to form a pogo pin contact; the receiving portion is provided with a cut, the cut dividing the receiving portion into a first portion and a second portion, the diameter of the first portion being larger than the diameter of the insertion portion, and the diameter of the second portion being smaller than the diameter of the insertion portion; the first portion is located on the side of the receiving portion near the pin.

[0009] Furthermore, it also includes a housing unit; the housing unit includes a first housing and a second housing;

[0010] A protrusion is provided on the side of the first housing near the second housing; a sealing groove is provided on the side of the second housing away from the first housing.

[0011] Furthermore, it also includes a sealing gasket, which is disposed between the first housing and the second housing;

[0012] The syringe penetrates the first housing and passes through the protrusion, and the pin penetrates the second housing and the sealing gasket and passes through the sealing groove.

[0013] Furthermore, the cut is shaped like a zigzag; the opening of the zigzag faces away from the pin.

[0014] Furthermore, the cut includes a first side, a second side, and a third side, with the first side and the third side arranged parallel to each other on both sides of the second side, and the central angle formed by the two ends of the second side being 2 / 3π-π.

[0015] Furthermore, the housing unit also includes guide posts, and two guide posts are provided; the two guide posts are diagonally embedded in the first housing and the second housing;

[0016] The guide post is stepped and includes a first end and a second end; the first end is disposed in the first housing and the second end is disposed in the second housing.

[0017] Furthermore, the syringe also includes a contact portion and a connecting portion, the connecting portion connecting the contact portion and the receiving portion.

[0018] Furthermore, the syringe assembly also includes a spring and a contact; the contact is disposed at the end of the contact portion; one end of the spring is connected to the connecting portion, and the other end of the spring is connected to the contact.

[0019] Furthermore, the inner wall of the sealing groove is provided with a rough structure.

[0020] Another aspect of the present invention provides a data link device, including a PCB board, a fan, and the aforementioned pogo pin connector;

[0021] The PCB board abuts against the contacts of the pogo pin connector;

[0022] The pin also includes a cable connector, which is connected to the fan via a cable;

[0023] The heat sink has an opening above the fan, and the first housing of the housing unit has a protrusion that is engaged in the opening.

[0024] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0025] (1) Compared with the prior art, the syringe of this utility model has a slit in the receiving part, which divides the receiving part into a first part and a second part. The diameter of the first part near the pin is larger than the diameter of the insertion part, and the diameter of the second part away from the pin is smaller than the diameter of the insertion part. When the pin insertion part is inserted into the receiving part, it is inserted from the side with a larger diameter to the side with a smaller diameter. Since the diameter of the insertion part is larger than the side with a smaller diameter, the slit is opened, so that the inner wall of the side with a smaller diameter is in close contact with the insertion part, changing from point contact to curved surface contact, thereby improving the stability of the connection between the syringe and the pin.

[0026] (2) The housing unit of this utility model includes a first housing and a second housing. The first housing is provided with a protrusion, and a sealing gasket is provided between the first housing and the second housing. The protrusion can compress the sealing gasket, ensuring that the entire sealing gasket is uniformly compressed, thereby improving the waterproof and sealing performance of the entire connector. The second housing is provided with a sealing groove. When the pin passes through the sealing groove, it fixes the pin and forms a waterproof structure, improving the waterproof performance and avoiding the phenomenon of uneven glue caused by manual additional glue application. The internal contact of the housing unit is a pogo pin contact instead of a cable contact, avoiding the risk of the cable being crushed.

[0027] (3) The cut in this utility model is shaped like a "Z". If the cut is too small, the head of the pin cannot be inserted into the side with a smaller diameter; if the cut is too large, the head of the pin cannot fit tightly with the side with a smaller diameter. In this embodiment, the central angle formed by the two ends of the second side of the cut is set to 2 / 3π-π, so that the insertion part can push up the side wall of the opening and can fit tightly against the wall.

[0028] (4) In order to achieve better positioning of the housing unit and avoid inaccurate connection of the pin unit, the housing unit of this utility model is provided with guide posts; in order to make the positioning more accurate, the two guide posts are embedded in the first housing and the second housing in a diagonal manner. In order to facilitate assembly, the guide posts are set in a stepped shape, with one end set in the first housing and the other end set in the second housing.

[0029] (5) The inner wall of the sealant groove of this utility model is provided with a rough structure to form an interlocking structure with the sealant, so as to prevent the internal waterproof sealant from slipping.

[0030] (6) In this utility model, the protrusion of the first housing is engaged in the opening of the heat sink. On the one hand, the heat sink can limit the position of the pogo pin connector, and on the other hand, it can support the sealing gasket so that the sealing gasket is fully compressed.

[0031] In this invention, the above-described technical solutions can be combined with each other to achieve more preferred combinations. Other features and advantages of this invention will be set forth in the following description, and some advantages will become apparent from the description or be learned by practicing this invention. The objectives and other advantages of this invention can be realized and obtained from the details specifically pointed out in the text and accompanying drawings. Attached Figure Description

[0032] The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the invention. Throughout the drawings, the same reference numerals denote the same parts.

[0033] Figure 1 This is a schematic diagram of the pogo pin connector in Example 1;

[0034] Figure 2 This is an exploded view of the pogo pin connector in Example 1;

[0035] Figure 3 This is one of the cross-sectional structural schematic diagrams of the pogo pin connector in Example 1;

[0036] Figure 4 This is the second cross-sectional view of the pogo pin connector in Example 1;

[0037] Figure 5 This is a schematic diagram of the pin unit in Example 1;

[0038] Figure 6 This is a schematic diagram of the pin structure in Example 1;

[0039] Figure 7 This is a schematic diagram of the syringe structure of Example 1;

[0040] Figure 8 This is an exploded view of the data link device in Example 2;

[0041] Figure 9 This is a cross-sectional view of the data link device in Example 2.

[0042] Figure label:

[0043] 1-pin unit, 11-pin, 111-insertion part, 112-cable connector, 1121-cable, 12-cylinder assembly, 121-cylinder, 1211-receiving part, 12111-cutout, 1212-connection part, 1213-contact part, 122-spring, 123-contact element, 2-housing unit, 21-first housing, 211-protrusion, 212-nut, 22-second housing, 221-sealing groove, 222-waterproof sealant, 223-screw, 23-guide post, 3-sealing gasket, 4-PCB board, 5-fan, 6-heat sink. Detailed Implementation

[0044] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.

[0045] Example 1

[0046] A specific embodiment of this utility model is as follows: Figures 1-4 As shown, a pogo pin connector is disclosed, including a pin unit 1.

[0047] like Figure 5 As shown, the pin unit 1 includes a pin 11 and a syringe assembly 12; the syringe assembly 12 includes a syringe 121.

[0048] The pin 11 includes an insertion portion 111, and the syringe 121 includes a receiving portion 1211. The insertion portion 111 extends into the receiving portion 1211 to form a pogo pin contact. The receiving portion 1211 is provided with a cut 12111, which divides the receiving portion 1211 into a first part and a second part. The diameter of the first part is larger than the diameter of the insertion portion 111, and the diameter of the second part is smaller than the diameter of the insertion portion 111. The first part is located on the side of the receiving portion 1211 near the pin 11.

[0049] Compared with the prior art, the receiving portion 1211 of the syringe 121 in this embodiment is provided with a slit 12111. When the insertion portion 111 of the pin 11 extends into the receiving portion 1211, it extends from the first portion with a larger diameter to the second portion with a smaller diameter. Since the diameter of the insertion portion 111 is larger than that of the second portion, the slit 12111 is opened up, so that the inner wall of the second portion with a smaller diameter is tightly attached to the insertion portion 111, changing from point contact to curved surface contact, thereby improving the stability of the connection between the syringe 121 and the pin 11.

[0050] For example, such as Figure 5 and Figure 7As shown, the cut 12111 is a Z-shaped cut 12111, with the Z-shaped opening facing away from the end of the pin 11.

[0051] Specifically, the zigzag cut 12111 includes a first side, a second side, and a third side. The first and third sides are arranged parallel to each other on both sides of the second side, and the central angle formed by the two ends of the second side is 2 / 3π-π. If the cut 12111 is too small, the insertion part 111 of the pin 11 cannot be inserted into the side with the smaller diameter; if the cut 12111 is too large, the insertion part 111 cannot form a tight fit with the side with the smaller diameter. In this embodiment, the central angle formed by the two ends of the second side of the cut 12111 is set to π2 / 3-π, so that the insertion part 111 can push up the sidewall of the opening and can fit tightly against the wall surface.

[0052] like Figure 7 As shown, the syringe 121 also includes a contact portion 1213 and a connecting portion 1212, with the connecting portion 1212 connecting the contact portion 1213 and the receiving portion 1211.

[0053] The syringe assembly 12 also includes a spring 122 and a contact 123. The contact 123 is located at the end of the contact portion 1213. The contact 123 is a T-shaped copper block that contacts the PCB board, and the corresponding area of ​​the T-shaped copper block on the PCB board is metallized. One end of the spring 122 is connected to the connecting portion 1212, and the other end is connected to the contact 123. Under the action of the spring 122, the contact 123 maintains tight contact with the PCB board 4 of the data link device it contacts.

[0054] like Figure 6 As shown, the pin 11 also includes a cable connector 112, which is the end away from the syringe 121 and is used to insert the cable 1121. Preferably, in order to facilitate the full insertion of the cable 1121, the cable connector 112 is hollow inside and has at least one blind groove or through groove on its side wall.

[0055] Furthermore, multiple pin units 1 are provided.

[0056] Furthermore, such as Figure 1 As shown, it also includes housing unit 2 and sealing gasket 3.

[0057] Multiple pin units 1 penetrate housing unit 2.

[0058] like Figure 3 and Figure 4 As shown, the sealing gasket 3 is disposed in the housing unit 2; the bottom of the housing unit 2 is provided with a sealing groove 221, and the sealing groove 221 is provided with waterproof sealant 222.

[0059] Specifically, such as Figures 1-4As shown, housing unit 2 includes a first housing 21 and a second housing 22. Exemplarily, pin 11 passes through the second housing 22 and sealing gasket 3, and syringe 121 passes through the first housing 21.

[0060] To accommodate the heatsink 6 of the data link device, the first housing 21 has a protrusion 211 at its center, through which the pin unit 1 passes. The protrusion 211 is engaged in an opening in the heatsink 6 of the data link device. A sealing gasket 3 is provided on one side of the protrusion 211, and the protrusion 211 also compresses the sealing gasket 3.

[0061] Furthermore, such as Figure 4 As shown, the first housing 21 and the second housing 22 are detachably connected. Exemplarily, the connection is made by a nut and screw connection or a snap-fit ​​connection. Exemplarily, a nut 212 is embedded in the first housing 21, and a screw 223 is embedded in the second housing 22. The nut 212 and the screw 223 are screwed together to fix the first housing 21 and the second housing 22 and to provide preload for the compression of the sealing gasket 3.

[0062] Furthermore, sealant is provided around the nut 212 and screw 223 for fixing, to prevent the housing from loosening, and to improve the connection effect between the pin 11 and the syringe 121.

[0063] Furthermore, such as Figure 1 As shown, to better position the first housing 21 and the second housing 22 and prevent inaccurate connection of the pin unit 1, the housing unit 2 also includes a guide structure, which is disposed on the first housing 21 and the second housing 22. Exemplarily, in this embodiment, the guide structure is a guide post 23, and two guide posts 23 are provided. For more precise positioning, the two guide posts are diagonally embedded on both sides of the first housing 21 and the second housing 22. The axis of the guide post 23 is in the same direction as the axis of the pin unit 1. For ease of assembly, the guide post 23 is stepped, including a first end and a second end, with the diameter of the first end being larger than the diameter of the second end. The first end is disposed in the first housing 21, and the second end is disposed in the second housing 22. When assembling the first housing 21 and the second housing 22, the second end of the guide post 23 is aligned with the guide post hole of the second housing 22 and fitted to secure it.

[0064] The bottom of the second housing 22 is provided with a sealant groove 221, which is filled with waterproof sealant 222. This sealant serves two purposes: waterproofing and, after curing, fixing the passing pin unit 1 to prevent misalignment or damage. Furthermore, the inner wall of the sealant groove 221 has a rough structure to prevent the waterproof sealant 222 from slipping. Exemplarily, this embodiment has multiple grooves on the inner wall of the sealant groove 221. After entering the sealant groove 221, the waterproof sealant 222 is fitted into the grooves, preventing it from slipping out.

[0065] To achieve a better seal, a sealing gasket 3 is disposed in the housing unit 2, and its length and width are the same as those of the second housing 22 and the first housing 21. Specifically, the sealing gasket 3 is disposed between the second housing 22 and the first housing 21 to seal the connection between the second housing 22 and the first housing 21.

[0066] In this embodiment, a sealing gasket 3 is provided between the housing units 2, and a sealing groove 221 for holding waterproof sealant 222 is provided at the bottom of the housing unit 2 to fix the pin 11 and form a waterproof structure, thereby improving the waterproof performance and avoiding the phenomenon of uneven glue caused by manual additional glue application; the internal contact of the housing unit 2 is a pogo pin contact instead of the cable 1121 contact, avoiding the risk of the cable 1121 being crushed.

[0067] Example 2

[0068] This embodiment discloses a data link device, such as... Figure 8 and Figure 9 As shown, it includes a PCB board 4, a fan 5, a heat sink 6, and the pogo pin connector described in Example 1.

[0069] The PCB board 4 abuts against the contact 123 of the syringe 121. Due to the elastic force of the spring 122, the PCB board 4 and the contact 123 always maintain close contact.

[0070] The pin 11 also includes a cable connector 112, which is connected to the fan 5 via a cable 1121. Since the cable 1121 is located outside the cavity where the pogo pin connector is located, it can prevent components inside the cavity from pressing on the cable 1121.

[0071] The heat sink 6 has an opening at the top corresponding to the fan 5. The protrusion 211 of the first housing 21 is engaged in the opening. On the one hand, the heat sink 6 can limit the pogo pin connector, and on the other hand, it can support the sealing gasket 3 to ensure that the entire sealing gasket 3 is compressed evenly.

[0072] Compared with the prior art, the advantages of the data link device in this utility model embodiment are the same as those of the pogo pin connector described above, and will not be repeated here.

[0073] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the protection scope of the present utility model.

Claims

1. A pogo pin connector, characterized in that, Includes a pin unit (1); The pin unit (1) includes a pin (11) and a syringe assembly (12); the syringe assembly (12) includes a syringe (121); The pin (11) includes an insertion part (111), and the syringe (121) includes a receiving part (1211). The insertion part (111) extends into the receiving part (1211) to form a pogo pin contact. The receiving part (1211) is provided with a cut (12111), which divides the receiving part (1211) into a first part and a second part. The diameter of the first part is larger than the diameter of the insertion part (111), and the diameter of the second part is smaller than the diameter of the insertion part (111). The first part is located on the side of the receiving part (1211) near the pin (11).

2. The pogo pin connector according to claim 1, characterized in that, It also includes a housing unit (2); the housing unit (2) includes a first housing (21) and a second housing (22); A protrusion (211) is provided on the side of the first housing (21) near the second housing (22); a sealing groove (221) is provided on the side of the second housing (22) away from the first housing (21).

3. The pogo pin connector according to claim 2, characterized in that, It also includes a sealing gasket (3), which is disposed between the first housing (21) and the second housing (22); The syringe (121) passes through the first housing (21) and through the protrusion (211), and the pin (11) passes through the second housing (22) and the sealing gasket (3) and through the sealing groove (221).

4. The pogo pin connector according to claim 1, characterized in that, The cut (12111) is shaped like a zigzag; the opening of the zigzag is oriented away from the pin (11).

5. The pogo pin connector according to claim 3, characterized in that, The cut (12111) includes a first side, a second side, and a third side. The first side and the third side are arranged parallel to each other on both sides of the second side, and the central angle formed by the two ends of the second side is 2 / 3π-π.

6. The pogo pin connector according to claim 2, characterized in that, The housing unit (2) further includes guide posts (23), and two guide posts (23) are provided; the two guide posts (23) are diagonally embedded in the first housing (21) and the second housing (22); The guide post (23) is stepped and includes a first end and a second end; the first end is disposed in the first housing (21) and the second end is disposed in the second housing (23).

7. The pogo pin connector according to claim 1, characterized in that, The syringe (121) further includes a contact portion (1213) and a connecting portion (1212), wherein the connecting portion (1212) connects the contact portion (1213) and the receiving portion (1211).

8. The pogo pin connector according to claim 7, characterized in that, The syringe assembly (12) further includes a spring (122) and a contact (123); the contact (123) is disposed at the end of the contact portion (1213); one end of the spring (122) is connected to the connecting portion (1212), and the other end of the spring (122) is connected to the contact (123).

9. The pogo pin connector according to claim 2, characterized in that, The inner wall of the sealing groove (221) is provided with a rough structure.

10. A data link device, characterized in that, Includes a PCB board (4), a fan (5), a heat sink (6), and a pogo pin connector as described in any of claims 1-9; The PCB board (4) abuts against the contact (123) of the pogo pin connector; The pin (11) also includes a cable connector (112), which is connected to the fan (5) via a cable (1121); The heat sink (6) has an opening above the fan (5), and the first housing (21) of the housing unit (2) has a protrusion (211) which is engaged in the opening.

Images