Electric connector for measurement and control device

Abstract

The utility model discloses an electric connector used for a measurement and control device, comprising a plug main body and a socket main body, the front side of the plug main body is provided with a plug protection housing, the front side of the plug protection housing is provided with a waterproof joint, the upper surface and the lower surface of the plug protection housing are provided with plug hangers, and the plug main body is internally provided with a plug female pin. A plug sealing gasket is arranged on the rear side of the plug body, a plug male pin is arranged in the socket body, a socket sealing gasket is arranged on the front side of the socket body, a device panel is arranged on the front side of the socket sealing gasket, and four hot melting nuts are arranged on the rear side of the socket body and connected with socket flange screws. A fool-proof bolt is connected between the plug main body and the socket main body, and a self-error-prevention structure is arranged between the plug main body and the socket main body. According to the electric connector for the measurement and control device, connection, sealing and protection are achieved through the sealing gasket, point location layout can be reduced, cost and use space are saved, and meanwhile the effect of preventing misplug is achieved during connection.

Description

Technical Field

[0001] The utility model relates to the technical field of electric connectors, in particular to an electric connector for a measurement and control device. Background Art

[0002] With the continuous advancement of science and technology, people have higher and higher requirements for the safety, electrical performance and pressure resistance of electrical connectors in actual use, and the convenience of electrical connectors in the process of installation and use. There is an urgent need for a more efficient electrical connector. The electrical connector of the measurement and control device is mainly used in the measurement and control device of the power industry. The measurement and control device connector currently used by customers consists of 5 12-bit connectors arranged on a 50*150mm panel. In order to prevent misplugging, five colors of black, white, red, green, yellow and blue are used for visual anti-mock, but the structural anti-mock cannot be achieved, and there is still the possibility of misplugging. At the same time, the IP protection level of this connector is relatively low, so a connector that can meet the 5*12-bit connection point requirements within the agreed space is needed. However, there are still certain problems when using the existing electrical connector of the measurement and control device:

[0003] For example, an electrical connector with publication number CN113161788A has the following technical solution: it includes a shell and a plurality of plug-in modules, the plug-in modules are installed in the shell, the plug-in modules include a plurality of conductive terminals, a metal shielding surround and a cable, the conductive terminal includes a tail portion and a docking portion, the conductive terminal extends along the docking direction, the metal shielding surround is provided with a cylindrical portion surrounding the periphery of the docking portion, the cable is provided with a core electrically connected to the tail portion, compared with the prior art, the electrical connector of the present invention is a cable electrical connector; in addition, the conductive terminal extends along the docking direction, thereby simplifying the structural design of the conductive terminal, but in the actual application of the existing electrical connector, the measurement and control device connection does not require so many bits, resulting in a waste of space and cost, and the structural anti-foolproofing cannot be achieved, and there is still a possibility of mis-insertion, and its protection level is low.

[0004] In view of this, we conducted in-depth research on the above issues, which led to the present case.

[0005] In view of the above problems, an innovative design is carried out on the basis of the original electrical connector. Utility Model Content

[0006] The purpose of the utility model is to provide an electrical connector for a measurement and control device, so as to solve the problems of wasting costs and space and the possibility of mis-insertion proposed in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] An electrical connector for a measurement and control device comprises a plug body and a socket body, wherein a plug protective shell is arranged on the front side of the plug body, and hot-melt nuts are arranged on the four corners of the rear side of the plug protective shell, a waterproof joint is arranged on the front side of the plug protective shell, and plug hanging ears are arranged on the upper and lower surfaces of the plug protective shell, a plug female pin is arranged inside the plug body, and a plug sealing gasket is arranged on the rear side of the plug body, and plug flange screws connected to the hot-melt nuts are arranged at the four corners of the rear side of the plug sealing gasket, a plug male pin is arranged inside the socket body, and a socket sealing gasket is arranged on the front side of the socket body, a device panel is arranged on the front side of the socket sealing gasket, and socket flange screws are installed at the four corners of the front side of the device panel, and four hot-melt nuts connected to the socket flange screws are arranged on the rear side of the socket body, an anti-fool pin is arranged between the plug body and the socket body, and a self-error prevention structure is arranged between the plug body and the socket body.

[0009] Preferably, the length of the device panel is 26.34 mm, and the width of the device panel is 45.8 mm, and there are five horizontal layouts of the device panel, the female plug pins and the male plug pins are both set to a 12-point layout, and the female plug pins and the male plug pins are both 3*4 layouts, and the point spacing between the female plug pins and the male plug pins is 5.08*5.08 mm.

[0010] By adopting the above technical solution, the length of the electrical connector is 26.34mm, which can meet the layout of 5 connectors in a space with a length of 150mm. The width is 45.8mm, which is smaller than the fixed width of 50mm. At the same time, the 12-point layout is a 3*4 layout with a point spacing of 5.08*5.08mm, so it can meet the needs of 5*12 points in a space of 50*150mm, saving space and reducing costs.

[0011] Preferably, plug ears are installed on the upper and lower surfaces of the plug protection shell, and socket hanging columns are installed on the upper and lower front ends of the socket body, and the socket hanging columns and the plug ears are connected to each other to form a fixed protection structure.

[0012] By adopting the above technical solution, when the plug body and the socket body are connected to each other, the plug ear will be hung on the socket hanging column, and at the same time, the plug sealing gasket between the plug protective shell and the panel will be compressed, thereby achieving a protective effect of firmly fixing the plug and the panel.

[0013] Preferably, a socket sealing gasket is fixedly installed on the front side of the socket body, and socket flange screws are installed through four corners of the socket sealing gasket, and the socket flange screws fix the socket sealing gasket between the socket body and the device panel.

[0014] By adopting the above technical solution, the sealing between the socket body and the device panel is achieved by relying on the socket sealing gasket. When the socket body and the device panel are fixed with the socket flange screws, the socket sealing gasket between the socket body and the device panel will be compressed to achieve a sealing and protective effect.

[0015] Preferably, the front side of the plug protective shell is laser printed with digital markings, and the front side of the device panel is laser printed with digital markings, and the digital markings on the plug protective shell and the device panel correspond to each other.

[0016] By adopting the above technical solution, a digital serial number is printed on the protective shell of the plug by laser when the finished product is shipped, so that it can correspond one-to-one with the serial number on the device panel, so as to distinguish them during connection, so that the plug body and the socket body can be seated in the same place, which can prevent wrong insertion from a visual perspective.

[0017] Preferably, five fool-proofing holes are provided on the rear side of the plug body, and five fool-proofing holes are provided on the inner edge of the socket body, four fool-proofing pins are installed at different positions inside the socket body, and one fool-proofing pin is installed at different positions on the rear side of each plug body, and the fool-proofing holes are fixedly connected to the fool-proofing pins in a concave and convex manner.

[0018] By adopting the above technical solution, when the plug body is connected to the socket body, only the plug body with one anti-foolproof pin can be connected to the socket body with the remaining anti-foolproof socket. In this way, a unique matching relationship is formed between the plug and the socket. If they are not corresponding, the anti-foolproof pin will interfere and cannot be inserted, thus achieving the effect of structural anti-misinsertion.

[0019] Preferably, the self-error prevention structure comprises a convex rib and a groove, wherein the convex rib is located above the inside of the socket body, and two convex ribs are provided, and the groove is located above the inside of the rear side of the plug body, and the convex rib and the groove are combined with each other.

[0020] By adopting the above technical solution, two ribs protrude from one side of the socket body, and there are two grooves at the corresponding positions of the plug body. When normally inserted, the ribs and the grooves coincide with each other. If the plug body is inserted in reverse, the ribs of the socket body will support the plug body to prevent it from being inserted, thus achieving the effect of self-preventing incorrect insertion in the forward and reverse directions.

[0021] Compared with the prior art, the utility model has the following beneficial effects: the electrical connector for the measurement and control device,

[0022] 1. A plug female pin and a plug male pin with reduced point layout are provided. The length of the device panel is 26.34 mm, and the width of the device panel is 45.8 mm. There are five horizontal layouts of the device panel. The plug female pin and the plug male pin are both arranged in a 12-point layout, and the plug female pin and the plug male pin are both arranged in a 3*4 layout, and the point spacing between the plug female pin and the plug male pin is 5.08*5.08 mm. The length of the electrical connector is 26.34 mm, which can meet the layout of 5 connectors in a space with a length of 150 mm. The width is 45.8 mm, which is less than the fixed width of 50 mm. At the same time, the 12-point layout is a 3*4 layout, and the point spacing is 5.08*5.08 mm, so it can meet the needs of 5*12 points in a 50*150 mm space, saving space and reducing costs;

[0023] 2. A socket sealing gasket with a protective function is provided. The socket sealing gasket is fixedly installed on the front side of the socket body, and the socket sealing gasket is penetrated by socket flange screws installed at the four corners, and the socket flange screws fix the socket sealing gasket between the socket body and the device panel. The sealing between the socket body and the device panel is achieved by the socket sealing gasket. When the socket body and the device panel are fixed by the socket flange screws, the socket sealing gasket between the socket body and the device panel will be compressed to achieve a sealing protection effect;

[0024] 3. Anti-foolproof jacks and anti-foolproof pins are provided to prevent mis-insertion. Five anti-foolproof jacks are provided on the rear side of the plug body, and five anti-foolproof jacks are provided on the inner edge of the socket body. Four anti-foolproof pins are installed at different positions inside the socket body, and one anti-foolproof pin is installed at different positions on the rear side of each plug body. The anti-foolproof jacks and anti-foolproof pins are fixedly connected in a concave and convex manner. When the plug body is connected to the socket body in correspondence, only the plug body with one anti-foolproof pin installed can be connected to the socket body with the remaining anti-foolproof jacks. In this way, a unique matching relationship is formed between the plug and the socket. If they are not corresponding, the anti-foolproof pins will interfere and cannot be inserted, thereby achieving the effect of structural anti-mis-insertion. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the three-dimensional structure of the connection between the plug body and the socket body of the utility model;

[0027] Figure 3 It is a schematic diagram of the three-dimensional structure of the plug body and the socket body of the utility model;

[0028] Figure 4 This is a schematic diagram of the front layout structure of the plug body and the socket body of the utility model;

[0029] Figure 5 This is a front cross-sectional structural diagram of the plug body and the socket body of the utility model;

[0030] Figure 6 This is a schematic diagram of the three-dimensional structure of the utility model anti-fool bolt;

[0031] In the figure: 1. Plug body; 2. Socket body; 3. Plug protective shell; 4. Waterproof connector; 5. Plug ear; 6. Plug female pin; 7. Plug sealing gasket; 8. Plug flange screw; 9. Anti-foolproof pin; 10. Plug male pin; 11. Socket sealing gasket; 12. Installation panel; 13. Socket flange screw; 14. Socket hanging column; 15. Hot melt nut; 16. Anti-foolproof socket; 17. Digital mark; 18. Self-error prevention structure; 181. Convex rib; 182. Groove. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1-6 , the utility model provides a technical solution:

[0034] An electrical connector for a measurement and control device comprises a plug body 1 and a socket body 2, wherein a plug protective shell 3 is arranged on the front side of the plug body 1, and hot-melt nuts 15 are arranged at four corners of the rear side of the plug protective shell 3, a waterproof joint 4 is arranged on the front side of the plug protective shell 3, and plug hanging ears 5 are arranged on the upper and lower surfaces of the plug protective shell 3, a plug female pin 6 is arranged inside the plug body 1, and a plug sealing gasket 7 is arranged on the rear side of the plug body 1, and plug flange screws 8 connected to the hot-melt nuts 15 are arranged at four corners of the rear side of the plug sealing gasket 7, a plug male pin 10 is arranged inside the socket body 2, and a socket sealing gasket 11 is arranged on the front side of the socket body 2, a device panel 12 is arranged on the front side of the socket sealing gasket 11, and socket flange screws 13 are installed at four corners of the front side of the device panel 12, and four hot-melt nuts 15 are arranged on the rear side of the socket body 2 to connect with the socket flange screws 13, an anti-fool pin 9 is arranged between the plug body 1 and the socket body 2, and a self-error prevention structure 18 is arranged between the plug body 1 and the socket body 2.

[0035] The length of the device panel 12 is 26.34 mm, and the width of the device panel 12 is 45.8 mm, and there are five device panels 12 arranged horizontally, the female plug pin 6 and the male plug pin 10 are both arranged in a 12-point layout, and the female plug pin 6 and the male plug pin 10 are both arranged in a 3*4 layout, and the point spacing between the female plug pin 6 and the male plug pin 10 is 5.08*5.08 mm. The length of the electrical connector is 26.34 mm, which can meet the layout of 5 connectors in a space of 150 mm in length, and the width is 45.8 mm, which is less than the fixed width of 50 mm. At the same time, the 12-point layout is a 3*4 layout, and the point spacing is 5.08*5.08 mm, so it can meet the needs of 5*12 points in a 50*150 mm space, saving space and reducing costs.

[0036] The upper and lower surfaces of the plug protection shell 3 are both installed with plug hanging ears 5, and the upper and lower surfaces of the front end of the socket body 2 are both installed with socket hanging columns 14, and the socket hanging columns 14 are connected to the plug hanging ears 5 to form a fixed protection structure. The front side of the socket body 2 is fixedly installed with a socket sealing gasket 11, and the socket sealing gasket 11 is penetrated by the four corners and installed with socket flange screws 13, and the socket flange screws 13 fix the socket sealing gasket 11 between the socket body 2 and the device panel 12. When the plug body 1 and the socket body 2 are connected to each other, the plug hanging ears 5 will hang on the socket hanging columns 14, and at the same time, the plug sealing gasket 7 between the plug protection shell 3 and the panel will be compressed, thereby playing a protective effect of firmly fixing the plug and the panel. The sealing between the socket body 2 and the device panel 12 is achieved by the socket sealing gasket 11. When the socket flange screws 13 are used to fix the socket body 2 and the device panel 12, the socket sealing gasket 11 between the socket body 2 and the device panel 12 will be compressed to play a sealing and protective effect.

[0037] The front side of the plug protection shell 3 is laser printed with a digital mark 17, and the front side of the device panel 12 is laser printed with a digital mark 17, and the digital marks 17 on the plug protection shell 3 and the device panel 12 correspond to each other. When the finished product is shipped, the plug protection shell 3 is laser printed with a digital serial number, so that it can correspond one to one with the serial number on the device panel 12, so that it can be distinguished during connection, so that the plug body 1 and the socket body 2 are seated in the same number, which can prevent mis-insertion from a visual perspective.

[0038] The rear side of the plug body 1 is provided with five foolproof jacks 16, and the inner edge of the socket body 2 is provided with five foolproof jacks 16. Four foolproof pins 9 are installed at different positions inside the socket body 2, and one foolproof pin 9 is installed at different positions on the rear side of each plug body 1, and the foolproof jacks 16 are fixedly connected with the foolproof pins 9 in a concave-convex manner. The self-error prevention structure 18 includes a convex rib 181 and a groove 182. The convex rib 181 is located at the upper part of the interior of the socket body 2, and there are two convex ribs 181. The groove 182 is located at the upper part of the rear side of the plug body 1, and the convex rib 181 and the groove 182 are combined with each other. When the plug body 1 is connected to the socket body 2 in correspondence, only the plug body 1 with one foolproof pin 9 can be connected to the socket body 2 with the remaining foolproof jack 16, so that a unique matching relationship is formed between the plug and the socket. If they are not corresponding, the foolproof pin 9 will interfere and cannot be inserted, so that the structure has the effect of preventing misinsertion. There are two convex ribs 181 protruding from one side of the socket body 2, and there are two grooves 182 at the corresponding position of the plug body 1. When normally mated, the convex rib 181 and the groove 182 coincide with each other. If the plug body 1 is inserted in reverse, the convex rib 181 of the socket body 2 will support the plug body 1 to prevent it from being inserted, thus achieving the effect of self-preventing misinsertion in the forward and reverse directions.

[0039] Working principle:

[0040] When the utility model is in use, the plug flange screw 8 fixes the plug sealing gasket 7 between the plug protective shell 3 and the plug body 1, and the socket flange screw 13 fixes the socket sealing gasket 11 between the socket body 2 and the device panel 12. The ends of the plug flange screw 8 and the socket flange screw 13 are fixed with hot melt nuts 15. When the plug body 1 is connected to the socket body 2, only the plug body 1 with one anti-foolproof plug pin 9 can be connected to the socket body 2 with the remaining anti-foolproof plug hole 16. In this way, a unique matching relationship is formed between the plug and the socket. If they are not corresponding, The foolproof plug 9 will cause interference and cannot be inserted. Two ribs 181 are protruding from one side of the socket body 2, and there are two grooves 182 at the corresponding position of the plug body 1. When normally mated, the ribs 181 and the grooves 182 coincide with each other. If the plug body 1 is inserted in reverse, the ribs 181 of the socket body 2 will support the plug body 1 to prevent it from being inserted. When the plug body 1 and the socket body 2 are connected to each other, the plug ear 5 will be hung on the socket hanging column 14, and at the same time, the plug sealing gasket 7 between the plug protective shell 3 and the panel will be compressed, thereby achieving a protective effect of firmly fixing the plug and the panel.

[0041] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electrical connector for a measurement and control device, comprising a plug body (1) and a socket body (2), characterized in that: The plug body (1) is provided with a plug protective shell (3) on the front side, and hot-melt nuts (15) are provided at four corners of the rear side of the plug protective shell (3); a waterproof joint (4) is provided on the front side of the plug protective shell (3), and plug hanging ears (5) are provided on the upper and lower surfaces of the plug protective shell (3); a plug female pin (6) is provided inside the plug body (1), and a plug sealing gasket (7) is provided on the rear side of the plug body (1), and plug flange screws (8) connected to the hot-melt nuts (15) are provided at four corners of the rear side of the plug sealing gasket (7); the socket body (2) A male plug pin (10) is arranged inside, and a socket sealing gasket (11) is arranged on the front side of the socket main body (2); a device panel (12) is arranged on the front side of the socket sealing gasket (11), and socket flange screws (13) are installed at the four corners of the front side of the device panel (12), and four hot melt nuts (15) are arranged on the rear side of the socket main body (2) and connected with the socket flange screws (13); an anti-fool pin (9) is arranged between the plug main body (1) and the socket main body (2), and a self-error prevention structure (18) is arranged between the plug main body (1) and the socket main body (2).

2. An electrical connector for a measurement and control device according to claim 1, characterized in that: The length of the device panel (12) is 26.34 mm, the width of the device panel (12) is 45.8 mm, and there are five device panels (12) arranged horizontally, the female plug pins (6) and the male plug pins (10) are arranged in a 12-point layout, and the female plug pins (6) and the male plug pins (10) are arranged in a 3*4 layout, and the point spacing between the female plug pins (6) and the male plug pins (10) is 5.08*5.08 mm.

3. The electrical connector for a measurement and control device according to claim 1, characterized in that: Plug hanging ears (5) are installed on the upper and lower surfaces of the plug protection shell (3), and socket hanging columns (14) are installed on the upper and lower front ends of the socket body (2), and the socket hanging columns (14) and the plug hanging ears (5) are connected to each other to form a fixed protection structure.

4. The electrical connector for a measurement and control device according to claim 1, characterized in that: A socket sealing gasket (11) is fixedly installed on the front side of the socket body (2), and socket flange screws (13) are installed through the four corners of the socket sealing gasket (11), and the socket flange screws (13) fix the socket sealing gasket (11) between the socket body (2) and the device panel (12).

5. The electrical connector for a measurement and control device according to claim 1, characterized in that: The front side of the plug protection shell (3) is laser printed with a digital mark (17), and the front side of the device panel (12) is laser printed with a digital mark (17), and the digital marks (17) on the plug protection shell (3) and the device panel (12) correspond to each other.

6. The electrical connector for a measurement and control device according to claim 1, characterized in that: The rear side of the plug body (1) is provided with five foolproof sockets (16), and the inner edge of the socket body (2) is provided with five foolproof sockets (16). Four foolproof plugs (9) are installed at different positions inside the socket body (2), and one foolproof plug (9) is installed at different positions on the rear side of each plug body (1), and the foolproof sockets (16) and the foolproof plugs (9) are fixedly connected in a concave-convex manner.

7. The electrical connector for a measurement and control device according to claim 1, characterized in that: The self-error prevention structure (18) comprises a convex rib (181) and a groove (182), wherein the convex rib (181) is located above the inside of the socket body (2), and two convex ribs (181) are provided, and the groove (182) is located above the inside of the rear side of the plug body (1), and the convex rib (181) and the groove (182) are combined with each other.

Images