Test connector

Abstract

The utility model discloses a test connector. The connector comprises a connector shell, a positioning accessory, an insulator, a sealing ring and an elastic needle, the connector shell comprises a first connector shell and a second connector shell; the second connector shell is located on the periphery of the first connector shell, and the first connector shell is of a columnar hollow structure; the insulator is located in the first connector shell; the positioning accessory is arranged on the second connector shell; the sealing ring is arranged on the first connector shell; the elastic pin is mounted on the insulator and located in the first connector housing. The utility model has the advantages of misplug prevention, waterproofness, quick locking and separation, high detection reliability, quick and simple operation and high detection efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to a test connector. BACKGROUND

[0002] In the specific application of certain communication equipment, the connector used by the communication interface is a connector with soldering wire cups at both ends (a non-standard connector interface), one end of which is soldered with a wire connected with the internal circuit of the equipment, and the other end of the soldering wire cup is in a state of being ready for use, and before use, the wire will be soldered again to connect with the external control unit according to the use requirements, and when the equipment is in static storage, the interface is in a state of being ready for use for a long time (see Figure 1 )。

[0003] In order to ensure the high reliability of the equipment in use, when the equipment has a use requirement, the internal circuit of the equipment needs to be detected, and after passing the detection, the wire can be soldered to connect with the external control unit. Due to the complex installation of the equipment, the inconvenient disassembly and detection, and the easy damage of the device, a test connector needs to be designed, which can be directly connected with the non-standard connector interface and meet the requirements of anti-misplug, waterproof and dustproof, locking and the like. SUMMARY

[0004] The utility model discloses a test connector which can be directly connected with a non-standard connector interface, has the characteristics of anti-misplug, waterproof and dustproof, quick locking and separation, high detection reliability, quick and simple operation, and high detection efficiency during the testing process of the non-standard connector interface, and can be used for multiple devices for quick and convenient detection, quick detection of multiple communication equipment interfaces of the same type, and multiple separate or integrated use.

[0005] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: a test connector, comprising a connector shell, a positioning accessory, an insulator, a sealing ring and an elastic needle.

[0006] The connector shell comprises a first connector shell and a second connector shell; the second connector shell is located at the periphery of the first connector shell, and the first connector shell has a hollow structure in the shape of a column.

[0007] The insulator is located in the first connector shell.

[0008] The positioning accessory is installed on the second connector shell.

[0009] The sealing ring is installed on the first connector shell.

[0010] The elastic needle is installed on the insulator and located in the first connector shell.

[0011] In the above technical scheme, the connector shell is a square disc flange shell.

[0012] In the above technical solution, the first connector shell outer wall is provided with an identification slot and a sealing ring slot;

[0013] The identification slot is located at the upper part of the first connector shell and above the second connector shell;

[0014] The sealing ring slot is located at the lower part of the first connector shell and below the second connector shell; the sealing ring is located in the sealing ring slot;

[0015] The first connector shell is provided with a hollow cavity penetrating from top to bottom; the hollow cavity is provided with a potting slot at the upper part and an insulator fixing slot at the middle part; the insulator is located in the insulator fixing slot; the potting adhesive layer is located at the upper end of the insulator and in the potting slot.

[0016] In the above technical solution, the insulator has a T-shaped structure.

[0017] In the above technical solution, the insulator is respectively provided with a positioning key and an elastic pin mounting hole;

[0018] The side end of the insulator is provided with a positioning key;

[0019] The elastic pin mounting hole longitudinally penetrates the insulator; the elastic pin mounting hole has a plurality of elastic pin mounting holes, and the plurality of elastic pin mounting holes are uniformly distributed on the insulator.

[0020] In the above technical solution, the elastic pin mounting hole is provided with a first step structure.

[0021] In the above technical solution, the elastic pin is mounted in the elastic pin mounting hole;

[0022] The elastic pin includes a contact, a spring, and a needle cylinder; the spring is arranged in the needle cylinder, the contact is located at the open end of the needle cylinder, and the contact is connected with the spring;

[0023] The tail part of the needle cylinder is provided with a welding cup; the welding cup is located above the insulator and connected with the wire; the potting adhesive layer is located at the connection position of the welding cup and the wire;

[0024] The needle cylinder is provided with a second step structure; the needle cylinder is clamped at the first step structure in the elastic pin mounting hole through the second step structure.

[0025] In the above technical solution, the second connector shell is provided with a positioning accessory mounting hole;

[0026] The positioning accessory includes an open check ring and a positioning pin;

[0027] The positioning pin penetrates the positioning accessory mounting hole from top to bottom, and the open check ring is located on the lower end surface of the second connector shell and outside the positioning pin;

[0028] In the above technical solution, the positioning nail comprises a one-slot and an umbrella-shaped structure; the one-slot is arranged at the head and the middle part of the positioning nail, and the umbrella-shaped structure is arranged at the head of the positioning nail.

[0029] The utility model has the advantages of the following:

[0030] (1) the test connector of the utility model is in elastic extrusion contact with the welding cup plane of the non-standard interface connector through the elastic needle large plane, and the positioning and locking of the test connector and the non-standard interface connector are realized through the positioning nail, so that the non-standard interface connector and the test connector are quickly and reliably connected, and the signal detection of the specific non-standard interface in the communication equipment assembly process is realized; the problem that the non-standard interface connector cannot be connected with the test connector due to the particularity of the welding cup type contact end and the absence of positioning keys and sealing grooves in the tail shell of the contact end, thereby failing to realize the signal detection of the specific non-standard interface in the communication equipment assembly process, is solved.

[0031] (2) the utility model has the characteristics of preventing misinsertion, waterproofing, quick locking and separation, high detection reliability, quick and simple operation, and high detection efficiency in the process of testing the non-standard interface connector;

[0032] (3) after the welding cup at the tail of the needle cylinder of the elastic needle is welded with the wire, the welding position of the wire and the insulator is filled with sealing glue, so that the internal structure of the connector shell (i.e. the connecting part formed by mounting the elastic needle in the insulator) will not be separated from the connector shell under external force due to the T-shaped structure formed by the filling groove and the insulator fixing groove and the action of the sealing glue, thereby improving the reliability of the signal detection of the specific non-standard interface in the communication equipment assembly process;

[0033] (4) the positioning nail is inserted into the accessory mounting hole, and the positioning nail is clamped and fixed on the connector shell by the open blocking ring, so that the signal detection operation of the specific non-standard interface in the communication equipment assembly process is quick and simple, and the detection efficiency is high;

[0034] (5) the one-slot is arranged at the head and the middle part of the positioning nail, and the umbrella-shaped structure is arranged at the head of the positioning nail, so that the positioning nail has the function of elastic locking, and the quick locking and separation of the utility model are realized. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is a schematic diagram of a non-standard connector interface for equipment communication.

[0036] Figure 2 It is a schematic diagram of the utility model.

[0037] Figure 3 It is a sectional view of Figure 2 .

[0038] Figure 4 It is the perspective structural schematic view of the connector shell in the utility model.

[0039] Figure 5 It is the sectional view of Figure 4 .

[0040] Figure 6 It is the sectional view of the insulator installed in the connector shell in the utility model.

[0041] Figure 7 It is the perspective structural schematic view of the insulator in the utility model.

[0042] Figure 8 It is the sectional view of Figure 7 .

[0043] Figure 9 It is the structural schematic view of the elastic needle in the utility model.

[0044] Figure 10 It is the structural schematic view of the elastic needle installed in the insulator and then the component is installed in the shell in the utility model.

[0045] Figure 11 It is the structural schematic view of the elastic needle tail part with welding cup welding wire in the utility model.

[0046] Figure 12 It is the sectional view of the connector shell potting fixed contact piece after the needle cylinder and wire are welded in the utility model.

[0047] Figure 13 It is the structural schematic view of the positioning accessory installed on the connector shell in the utility model.

[0048] Figure 14 It is the structural schematic view of the opening blocking ring of the positioning accessory in the utility model.

[0049] Figure 15 It is the structural schematic view of the positioning nail of the positioning accessory in the utility model.

[0050] Figure 16 It is the structural schematic view of the non-standard interface insertion and arrangement in place in the utility model.

[0051] Figure 17 It is the structural schematic view of the non-standard interface separation in the utility model.

[0052] 1-connector housing, 1.1-first connector housing, 1.11-identification slot, 1.12-sealing ring slot, 1.13-hollow cavity, 1.131-potting groove, 1.132-insulator fixing groove, 1.2-second connector housing, 1.21-positioning accessory mounting hole, 2-positioning accessory, 2.1-open blocking ring, 2.2-positioning pin, 2.21-rectangular slot, 2.22-umbrella structure, 3-insulator, 3.1-positioning key, 3.2-elastic needle mounting hole, 3.21-first step structure, 4-sealing ring, 5-elastic needle, 5.1-contact, 5.2-spring, 5.3-needle cylinder, 5.31-welding cup, 5.32-second step structure, 6-potting glue layer, 7-wire. DETAILED DESCRIPTION

[0053] The embodiments of the present application will be described in detail below with reference to the drawings, but they do not constitute limitations on the present application, but are only examples. At the same time, through the description, the advantages of the present application are more clear and easy to understand.

[0054] As shown in the drawings, the test connector comprises a connector housing 1, a positioning accessory 2, an insulator 3, a sealing ring 4 and a welded elastic needle 5.

[0055] The connector housing 1 comprises a first connector housing 1.1 and a second connector housing 1.2; the second connector housing 1.2 is located at the outer periphery of the first connector housing 1.1, and the first connector housing 1.1 is in a hollow columnar structure.

[0056] The insulator 3 is located in the first connector housing 1.1.

[0057] The positioning accessory 2 is mounted on the second connector housing 1.2.

[0058] The sealing ring 4 is mounted on the first connector housing 1.1.

[0059] The elastic needle 5 is mounted on the insulator 3 and located in the first connector housing 1.1. After the elastic needle 5 is mounted in the insulator 3, the connecting part of the elastic needle 5 and the insulator 3 is mounted in the connector housing 1, which has the effect of preventing misplug. The test connector insertion end can be connected and locked with the connector to be tested through the positioning accessory, the welding end leads are connected with the test equipment, and the test connector is suitable for signal detection of specific non-standard interfaces in the communication equipment assembly process. The test connector is suitable for communication equipment with non-standard interface connectors at the tail end. The non-standard interface connector to be tested has a welding cup form at both ends, and there is no positioning key and sealing groove in the housing. The housing has a positive direction flange mounting hole outside, and the tail part of the housing cannot be positioned and needs to be positioned through the mounting hole.

[0060] Further, the connector housing 1 is a square disc flange housing.

[0061] Further, the first connector shell 1.1 is provided with an identification slot 1.11 and a sealing ring slot 1.12, the identification slot 1.11 of the test connector is coincident with the A key in the perpendicular direction, when the test connector is connected with the non-standard connector interface, the identification slot is positioned and aligned with the A key of the non-standard connector interface, at the same time, the mounting accessories on the test connector shell are aligned with the four holes of the non-standard connector shell, thereby realizing the anti-misplug function.

[0062] The identification slot 1.11 is located at the upper part of the first connector shell 1.1 and above the second connector shell 1.2.

[0063] The sealing ring slot 1.12 is located at the lower part of the first connector shell 1.1 and below the second connector shell 1.2, the sealing ring 4 is located in the sealing ring slot 1.12, when the test connector is completely inserted into the non-standard interface connector, the contact 5.1 of the elastic needle 5 of the test connector is pressed to reliably contact the welding cup end face of the non-standard interface connector to form conduction, and the end face of the connector shell 1 of the test connector is completely inserted into the inner cavity of the non-standard interface connector shell, thereby realizing the waterproof function of the connection between the test connector and the non-standard interface connector through the O-shaped sealing ring 4 on the connector shell 1.

[0064] The first connector shell 1.1 is provided with a hollow cavity 1.13 penetrating from top to bottom, the upper part of the hollow cavity 1.13 is provided with a potting slot 1.131, and the middle part is provided with an insulator fixing slot 1.132, the insulator 3 is located in the insulator fixing slot 1.132, and the potting glue layer 6 is located at the upper end of the insulator 3 and in the potting slot 1.131.

[0065] Further, the insulator 3 is in a T-shaped structure.

[0066] Further, the insulator 3 is provided with a positioning key 3.1 and an elastic needle mounting hole 3.2 respectively.

[0067] The side end of the insulator 3 is provided with the positioning key 3.1, when the insulator 3 is installed into the connector shell 1, the positioning key 3.1 (A foot) on the insulator is aligned with the groove in the connector shell 1, since the groove in the connector shell 1 is coincident with the identification slot 1.11 on the outer side of the connector shell 1 in the perpendicular direction, thereby realizing the alignment of the positioning key 3.1 (A foot) on the insulator with the identification slot 1.11 on the outer side of the connector shell 1, and realizing the orientation of the contact hole in the insulator 3.

[0068] The elastic needle mounting hole 3.2 longitudinally penetrates the insulator 3, the elastic needle mounting hole 3.2 has a plurality of elastic needle mounting holes 3.2, and the plurality of elastic needle mounting holes 3.2 are uniformly distributed on the insulator 3.

[0069] Further, the elastic needle mounting hole 3.2 is provided with a first step structure 3.21.

[0070] Further, the elastic needle 5 is installed in the elastic needle mounting hole 3.2;

[0071] The elastic needle 5 comprises a contact 5.1, a spring 5.2 and a needle cylinder 5.3; the spring 5.2 is arranged in the needle cylinder 5.3, and the contact 5.1 is located at an open end of the needle cylinder 5.3 and connected with the spring 5.2;

[0072] A welding cup 5.31 is arranged at a tail of the needle cylinder 5.3; the welding cup 5.31 is located above the insulator 3 and connected with the wire 7; the potting adhesive layer 6 is located at a connection position of the welding cup 5.31 and the wire 7; after the welding cup of the tail of the needle cylinder of the elastic needle is welded with the wire 7, the connector shell 1 is fixedly contacted with the potting adhesive (i.e. the welding position of the insulator 3 and the wire 7 is potted by the potting adhesive), so that the internal structure (i.e. the connecting component formed by the elastic needle 5 being installed in the insulator 3) of the connector shell 1 will not be separated from the connector shell under the action of the T-shaped potting groove (i.e. the T-shaped structure formed by the potting groove 1.131 and the insulator fixing groove 1.132) and the potting adhesive under the external force;

[0073] A second step structure 5.32 is arranged on the needle cylinder 5.3; the needle cylinder 5.3 is clamped in the elastic needle mounting hole 3.2 through the first step structure 3.21 and the second step structure 5.32, so as to improve the structural reliability and prevent the needle cylinder 5.3 from being separated from the elastic needle mounting hole 3.2; the test connector with the elastic needle 5, and the contact 5.1 plane of the elastic needle 5 is a circular flat plane, when the test connector and the non-standard connector are inserted and matched, the contact 5.1 plane of the elastic needle 5 is circular and flat, and is in contact with the welding cup plane of the non-standard connector and has a certain compression stroke, so as to ensure a certain contact pressure, realize low-resistance contact, and ensure that the elastic needle 5 will not fail at least for 500 times of insertion and extraction, and the connection detection reliability of the utility model is improved.

[0074] Further, the second connector shell 1.2 is provided with a positioning accessory mounting hole 1.21;

[0075] The positioning accessory 2 comprises an open check ring 2.1 and a positioning pin 2.2;

[0076] The positioning pin 2.2 passes through the positioning accessory mounting hole 1.21 from top to bottom, and the open check ring 2.1 is located on the lower end surface of the second connector shell 1.2 and outside the positioning pin 2.2; the positioning pin 2.2 is inserted into the accessory mounting hole 1.21, and the open check ring 2.1 is used to clamp and fix the positioning pin 2.2 on the connector shell 1, so as to limit the positioning pin 2.2 and improve the installation precision and efficiency.

[0077] Further, the positioning nail 2.2 comprises a slot 2.21 and an umbrella-shaped structure 2.22; the slot 2.21 is arranged at the head and the middle part of the positioning nail 2.2, and the umbrella-shaped structure 2.22 is arranged at the head of the positioning nail 2.2, so that the positioning nail has the function of elastic locking; when the test connector and the non-standard interface connector of the equipment are inserted into position, the tail plane of the umbrella-shaped structure 2.22 is just hung on the plane of the interface connector, so that the connection between the positioning nail 2.2 and the interface connector is in an inverted structure, and the test connector has the locking function; when the test of the non-standard interface connector is completed, the test connector and the non-standard interface connector of the equipment need to be separated, and only the slot 2.21 area of the positioning nail 2.2 needs to be tightened with light force, so that the head umbrella-shaped structure 2.22 of the positioning nail 2.2 is tightened, and then the positioning nail 2.2 is pulled in the reverse direction, so that the test connector and the non-standard interface connector of the equipment are quickly separated.

[0078] The test connector and the non-standard interface insertion and separation structure of the utility model have the following principles:

[0079] When the test connector and the non-standard interface connector of the equipment are inserted, the test connector identification slot 1.11 of the utility model is aligned with the A key of the non-standard interface connector, and the positioning nails 2.2 of the four positioning accessories 2 are aligned with the four mounting holes of the non-standard interface connector; when the test connector positioning nail 2.2 is axially inserted, the umbrella-shaped tapered head of the test connector is first contacted with the mounting hole on the shell of the non-standard interface connector; with the deepening of the insertion, the outer circular part of the connector shell 1 of the test connector is first contacted with the inner cavity part of the shell of the non-standard interface connector, and then further to the complete insertion into position, the contact 5.1 plane of the elastic needle 5 of the test connector is reliably contacted with the welding cup end face of the non-standard interface connector under the extrusion, so as to form conduction, and the end face of the connector shell 1 of the test connector is completely inserted into the inner cavity of the shell of the non-standard interface connector, so that the test connector and the non-standard interface connector have the waterproof function through the extrusion of the O-shaped sealing ring 4 on the connector shell 1, and at the same time, when the insertion is in place, the tail plane of the umbrella-shaped structure 2.22 of the positioning nail 2.2 of the test connector is just hung on the plane of the interface connector, so that the connection between the positioning nail 2.2 and the interface connector is in an inverted structure, so that the test connector has the locking function, and meets the requirements of signal detection of the specific non-standard interface in the communication equipment assembly process.

[0080] When the test of the non-standard interface connector is completed, and needs to be separated, only the slot 2.21 area of the positioning nail 2.2 needs to be tightened with light force, so that the head umbrella-shaped structure 2.22 of the positioning nail 2.2 is tightened, and then the positioning nail 2.2 is pulled in the reverse direction, so that the test connector and the non-standard interface connector of the equipment are quickly separated.

[0081] The other parts not described belong to the prior art.

Claims

1. A test connector, characterized by: The connector shell (1) comprises a connector shell (1), a positioning accessory (2), an insulator (3), a sealing ring (4) and an elastic needle (5); The connector shell (1) comprises a first connector shell (1.1) and a second connector shell (1.2); the second connector shell (1.2) is located on the outer periphery of the first connector shell (1.1), and the first connector shell (1.1) is in a hollow columnar structure; The insulator (3) is located in the first connector shell (1.1); The positioning accessory (2) is installed on the second connector shell (1.2); The sealing ring (4) is installed on the first connector shell (1.1); The elastic needle (5) is installed on the insulator (3) and located in the first connector shell (1.1).

2. The test connector of claim 1, wherein: The connector shell (1) is a square disc flange shell.

3. The test connector of claim 1 or 2, wherein: An identification groove (1.11) and a sealing ring groove (1.12) are arranged on the outer wall of the first connector shell (1.1); The identification groove (1.11) is located at the upper part of the first connector shell (1.1) and above the second connector shell (1.2); The sealing ring groove (1.12) is located at the lower part of the first connector shell (1.1) and below the second connector shell (1.2); the sealing ring (4) is located in the sealing ring groove (1.12); A hollow cavity (1.13) is arranged in the first connector shell (1.1); an upper part of the hollow cavity (1.13) is provided with a potting groove (1.131), and a middle part of the hollow cavity (1.13) is provided with an insulator fixing groove (1.132); the insulator (3) is located in the insulator fixing groove (1.132); a potting adhesive layer (6) is located at the upper end of the insulator (3) and in the potting groove (1.131).

4. The test connector of claim 3, wherein: The insulator (3) is in a T-shaped structure.

5. The test connector of claim 4, wherein: A positioning key (3.1) and an elastic needle mounting hole (3.2) are arranged on the insulator (3) respectively; The positioning key (3.1) is arranged at the side end of the insulator (3); The elastic needle mounting hole (3.2) longitudinally penetrates the insulator (3); the elastic needle mounting hole (3.2) has a plurality of elastic needle mounting holes (3.2), and the plurality of elastic needle mounting holes (3.2) are uniformly distributed on the insulator (3).

6. The test connector of claim 5, wherein: A first step structure (3.21) is arranged in the elastic needle mounting hole (3.2).

7. The test connector of claim 6, wherein: The elastic needle (5) is installed in the elastic needle mounting hole (3.2); The elastic needle (5) comprises a contact (5.1), a spring (5.2) and a needle cylinder (5.3); the spring (5.2) is arranged in the needle cylinder (5.3), and the contact (5.1) is located at the opening end of the needle cylinder (5.3) and connected with the spring (5.2); A welding cup (5.31) is arranged at the tail of the needle cylinder (5.3); the welding cup (5.31) is located above the insulator (3) and connected with the wire (7); the potting adhesive layer (6) is located at the connection between the welding cup (5.31) and the wire (7); A second step structure (5.32) is arranged on the needle cylinder (5.3); the needle cylinder (5.3) is clamped at the first step structure (3.21) in the elastic needle mounting hole (3.2) through the second step structure (5.32).

8. The test connector of claim 7, wherein: A positioning accessory mounting hole (1.21) is arranged on the second connector shell (1.2); The positioning accessory (2) comprises an open check ring (2.1) and a positioning pin (2.2). The positioning peg (2.2) is positioned from top to bottom through the positioning accessory mounting hole (1.21), and the open blocking ring (2.1) is located on the lower end face of the second connector shell (1.2) and the outer periphery of the positioning peg (2.2).

9. The test connector of claim 8, wherein: The positioning peg (2.2) comprises a character slot (2.21) and an umbrella-shaped structure (2.22); the character slot (2.21) is arranged at the head and the middle part of the positioning peg (2.2), and the umbrella-shaped structure (2.22) is arranged at the head of the positioning peg (2.2).

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