Pneumatic-electric hybrid connector

Abstract

The utility model relates to a connector, in particular to a pneumatic-electric mixed connector. Comprising a base, a gas core and a plurality of contact pins, the air core is installed in the middle of the base in a sealed mode, and the two ends of the air core extend out of the base respectively. A plurality of stepped through holes with the same number as the contact pins are formed in the end face of one side of the base around the air core; the contact pin comprises a head part, an insertion part and a tail part which are connected in sequence; the head part extends into the base from the large section of the stepped through hole and extends out of the base from the small section of the stepped through hole; conical barbs are arranged on the head part, and the head part is in interference fit with the inner wall of the small section of the stepped through hole through the conical barbs; the insertion part is arranged in the large section of the stepped through hole, and a first sealing ring is arranged between the insertion part and the large section of the stepped through hole. According to the utility model, the pins are installed around the gas core, so that the size of the connector can be reduced to a certain extent, and integration and miniaturization of components can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a connector, in particular to a gas-electric mixed mounting connector. BACKGROUND

[0002] With the development of science and technology, the function of the electric connector is increasingly diversified, and many electric connectors are no longer limited to traditional electrical connection, but further integrated with gas path, optical path and liquid path transmission and other diversified functions. Although this multifunctional integration brings higher application value, it also brings new challenges. Especially when transmitting high-pressure fluid, the connection interface of each component of the electric connector needs to withstand a large force, and once the sealing performance is poor, it may cause safety hazards.

[0003] In addition, the gas path contact occupies a large space, which also restricts the miniaturization and integration process of components to some extent. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the technical problem that the structure of the existing connector occupies a large space and is not conducive to the miniaturization development of components, and provides a gas-electric mixed mounting connector.

[0005] To solve the above technical problems, the technical solution provided by the utility model is as follows:

[0006] A gas-electric mixed mounting connector, comprising a base, a gas core and a plurality of pins;

[0007] The gas core is sealingly installed in the middle part of the base, and the two ends of the gas core extend to the outside of the base respectively;

[0008] A plurality of stepped through holes with the same number of pins are formed on the side end face of the base around the gas core;

[0009] The pin comprises a head, an insertion part and a tail connected in sequence; the head is inserted into the base through the large section of the stepped through hole, and is inserted out of the base through the small section of the stepped through hole; the head is provided with a conical barb, and the head is in interference fit with the inner wall of the small section of the stepped through hole through the conical barb; the insertion part is arranged in the large section of the stepped through hole, and a first sealing ring is arranged between the insertion part and the large section of the stepped through hole.

[0010] Further, a first retainer groove, a mounting groove and a plurality of first annular glue grooves are formed on the outer side wall of the gas core;

[0011] A second retainer groove corresponding to the position of the first retainer groove is formed on the inner side wall of the base, and the first retainer groove and the second retainer groove form a retainer groove, and a retainer is installed in the retainer groove;

[0012] A second sealing ring is installed in the mounting groove;

[0013] The first annular groove is filled with epoxy resin adhesive.

[0014] Furthermore, the head of the insertion pin is provided with a plurality of second annular grooves, and the second annular grooves are filled with epoxy resin adhesive.

[0015] Furthermore, a solder cup is provided at the tail end of the pin.

[0016] Furthermore, the outer side of the base is provided with multiple annular grooves, and each of the multiple annular grooves is provided with a third sealing ring.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] 1. The gas-electric hybrid connector provided by this utility model can reduce the size of the connector to a certain extent by mounting the pins around the gas core, which helps to realize the integration and miniaturization of components. Moreover, the gas core is sealed and installed in the middle of the base, and a first sealing ring is provided between the insertion part of the pin and the stepped hole of the base, so that it has a certain sealing performance and can be used in environments with high sealing requirements.

[0019] 2. The gas-electric hybrid connector provided by this utility model, by setting a retaining ring and a second sealing ring, and filling the first annular groove of the gas core with epoxy resin adhesive, can ensure the stable connection between the gas core and the base, while making it suitable for places with high sealing requirements. Attached Figure Description

[0020] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0021] Explanation of reference numerals in the attached drawings: 1-base, 2-air core, 3-pin, 4-head, 5-insertion part, 6-tail, 7-conical barb, 8-first sealing ring, 9-mounting groove, 10-first annular groove, 11-retaining ring, 12-second sealing ring, 13-second annular groove, 14-welding cup, 15-annular groove. Detailed Implementation

[0022] The technical solutions of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0023] like Figure 1 As shown, a gas-electric hybrid connector includes a base 1, a gas core 2, and a plurality of pins 3;

[0024] The air core 2 is sealingly installed in the middle of the base 1, and the two ends of the air core 2 extend to the outside of the base 1 respectively; the sealing mode between the air core 2 and the base 1 is:

[0025] A first blocking ring groove, an installation groove 9 and a plurality of first annular glue grooves 10 are formed on the outer side wall of the air core 2; a second blocking ring groove corresponding to the position of the first blocking ring groove is formed on the inner side wall of the base 1, and the first blocking ring groove and the second blocking ring groove form a blocking ring groove, and a blocking ring 11 is installed in the blocking ring groove; a second sealing ring 12 is installed in the installation groove 9; the first annular glue groove 10 is filled with epoxy resin adhesive.

[0026] In order to install the pin 3, a plurality of stepped through holes corresponding to the number of the pin 3 are formed on one side end face of the base 1 around the air core 2; installing the pin 3 around the air core 2 can reduce the volume of the connector to a certain extent, which is helpful to realize the integration and miniaturization of components.

[0027] The pin 3 comprises a head 4, an insertion part 5 and a tail 6 connected in sequence; the head 4 extends into the base 1 by the large section of the stepped through hole and extends to the outside of the base 1 by the small section of the stepped through hole; in order to fix the pin 3 and the stepped through hole of the base 1, a tapered barb 7 is arranged on the head 4, and the head 4 is in interference fit with the inner wall of the small section of the stepped through hole through the tapered barb 7; the insertion part 5 is arranged in the large section of the stepped through hole, and a first sealing ring 8 is arranged between the insertion part 5 and the large section of the stepped through hole.

[0028] In order to further fix the pin 3 and the stepped through hole of the base 1, and to realize the sealing between the pin 3 and the stepped through hole of the base 1, a plurality of second annular glue grooves 13 are formed on the head 4 of the pin 3, and the second annular glue grooves 13 are filled with epoxy resin adhesive.

[0029] In order to facilitate the wiring of the pin 3 and external components, a solder cup 14 is formed on the tail 6 of the pin 3.

[0030] In order to facilitate the sealing connection of the air-electric mixed loading connector and components, a plurality of annular grooves 15 are formed on the outer side of the base 1, and a third sealing ring is arranged in each annular groove 15.

[0031] In this embodiment, the first sealing ring 8 and the second sealing ring 12 are both fluorine rubber sealing rings.

[0032] In the production process of the air-electric mixed loading connector, the base 1 with the stepped through hole and the installation hole for installing the air core 2 is first manufactured by injection molding process;

[0033] Then the air core 2 and the pin 3 are installed on the base 1;

[0034] When installing the air core 2, epoxy resin adhesive is coated in the first annular glue groove 10 of the air core 2, after the coating is completed, the second sealing ring 12 is installed in the installation groove 9, the stop ring 11 is installed in the first stop ring groove, after the installation is completed, the air core 2 is inserted into the installation hole on the base 1 for installing the air core 2 until the stop ring 11 is located in the second stop ring groove on the base 1;

[0035] When installing the pin 3, epoxy resin adhesive is coated in the second annular glue groove 13 of the head 4 of the pin 3, after the coating is completed, the first sealing ring 8 is sleeved on the insertion part 5 of the pin 3, then the head 4 of the pin 3 is inserted into the inside of the base 1 through the large section of the stepped through hole and is inserted out of the base 1 through the small section of the stepped through hole, the tapered barb 7 of the head 4 of the pin 3 is in interference fit with the inner wall of the small section of the stepped through hole to fix the position of the pin 3 and the base 1, and the first sealing ring 8 realizes the sealing between the pin 3 and the large section of the stepped through hole.

[0036] Through the modular assembly structure and the mechanical assembly process, the residual stress and the micro-crack problem generated in the injection molding process are eliminated, and the yield of the connector can be significantly improved.

[0037] The above merely describes the specific implementation of the present application, but the protection scope of the present application is not limited to this, any change or replacement within the technical scope disclosed by the present application should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A gas-electric hybrid connector, characterized by: The utility model relates to a connector, which comprises a base (1), a gas core (2) and a plurality of pins (3). The gas core (2) is sealingly installed in the middle of the base (1), and the two ends of the gas core (2) extend to the outside of the base (1) respectively. A plurality of stepped through holes, which are the same in number as the pins (3), are formed around the gas core (2) on one end face of the base (1). The pin (3) comprises a head (4), an insertion part (5) and a tail (6) connected in sequence; the head (4) extends into the base (1) through the large section of the stepped through hole and extends to the outside of the base (1) through the small section of the stepped through hole; the head (4) is provided with a tapered barb (7), and the head (4) is in interference fit with the inner wall of the small section of the stepped through hole through the tapered barb (7); the insertion part (5) is arranged in the large section of the stepped through hole, and a first sealing ring (8) is arranged between the insertion part (5) and the large section of the stepped through hole.

2. The pneumatic and electrical hybrid connector of claim 1, wherein: A first retainer groove, a mounting groove (9) and a plurality of first annular glue grooves (10) are formed on the outer side wall of the gas core (2). A second retainer groove corresponding to the position of the first retainer groove is formed on the inner side wall of the base (1), and the first retainer groove and the second retainer groove form a retainer groove in which a retainer (11) is installed. A second sealing ring (12) is installed in the mounting groove (9). The first annular glue grooves (10) are filled with epoxy resin adhesive.

3. The pneumatic and electrical hybrid connector of claim 1, wherein: A plurality of second annular glue grooves (13) are formed on the head (4) of the pin (3), and the second annular glue grooves (13) are filled with epoxy resin adhesive.

4. The pneumatic and electrical hybrid connector of claim 1, wherein: The tail (6) of the pin (3) is provided with a welding cup (14).

5. The pneumatic and electrical hybrid connector of claim 1, wherein: A plurality of annular grooves (15) are formed on the outer side of the base (1), and each of the annular grooves (15) is provided with a third sealing ring.

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