Electric connector sealing structure

Abstract

The utility model relates to a sealing structure of an electric connector. When a connector and a connecting seat are fixed, a second annular pad drives a connecting block to penetrate into a limiting groove from a connecting ring, then a first annular pad and the connecting block are bonded, and when a second fixing ring and a first fixing ring are close to each other, a positioning block is inserted into a positioning hole, so that the first annular pad can be inserted into a first annular groove, and a spring is placed into the connecting ring; a pressing ring is placed in a connecting ring, a second connecting block is inserted into a sliding groove, then a screw rod penetrates through a third through hole and then is sequentially inserted into a hole cavity of a second through hole and a hole cavity of a first through hole, a nut is screwed on a rod body of the screw rod, and therefore an extruding piece, a second fixing ring and a first fixing ring are fixed; the first annular pad is tightly attached to the inner wall of the first annular groove and the inner wall of the second annular groove to complete sealing, and when the first annular pad is cooled to shrink, the first annular pad is always tightly attached to the inner wall of the first annular groove through pushing of the spring by the pressing ring, so that moisture cannot flow to the plug and the socket.

Description

TECHNICAL FIELD

[0001] The utility model relates to connector technical field especially is related to a kind of electric connector sealing structure. BACKGROUND

[0002] Electric connector can also be called plug base, is widely used in various electrical circuits, plays the role of connection or disconnection circuit.

[0003] For example, the sealing structure of the electric connector disclosed in Chinese patent application No. CN202020241623.9, the specific content is: the tail of the plug and the socket is fixedly connected with spring one and spring two respectively, which facilitates the elastic connection of the plug and the socket, and facilitates the convenient ejection of the protective cover one and the protective cover two when the plug and the socket are in the non-connected state, and the connection is more closely connected under the pushing of the spring one and the spring two in the connected state, when using, connect the plug and the socket, and pull the protective cover one and the protective cover two, fix the protective cover one and the protective cover two by flange one, flange two and bolt, which has the following technical problems:

[0004] When the plug and the socket are connected by flange, the connection of the plug and the socket cannot be sealed, and water vapor still enters the protective cover, causing short circuit of the electric connector. UTILITY MODEL CONTENT

[0005] To solve the problem of water vapor entering the protective cover in the above background technology, the utility model provides the following technical scheme:

[0006] An electric connector sealing structure, comprising a connecting head and a connecting seat;

[0007] The connecting head comprises a connecting wire one, one end of the connecting wire one is sleeved with a protective sleeve one, one end of the protective sleeve one is installed with a fixed ring one, one side of the fixed ring one is provided with an annular groove one.

[0008] The connecting seat comprises a connecting wire two, one end of the connecting wire two is installed with a protective sleeve two, one end of the protective sleeve two is installed with a fixed ring two, the middle part of the fixed ring two is installed with a sealing pad for sealing cooperation with the annular groove one, the edge part of the fixed ring two is installed with a plurality of screw rods, one end of the screw rod is installed with a nut.

[0009] One side of the fixed ring two is installed with a connecting ring, the inside of the connecting ring is installed with a spring for pushing the sealing pad, one side of the connecting ring is installed with a pressing piece for limiting the spring.

[0010] Further, one end of the connecting wire one is installed with a plug, the outer wall of the fixed ring one is installed with a plurality of protrusions one, the middle part of the protrusion one is provided with a through hole one, and a plurality of positioning holes are formed in the middle part of the fixed ring one.

[0011] Further, one end of the connecting line two is provided with a socket, the outer wall of the fixing ring two is provided with a plurality of protrusions two aligned with the protrusions one, the middle part of the protrusions two is provided with a through hole two aligned with the through hole one.

[0012] Further, the middle part of the fixing ring two is provided with a plurality of positioning blocks inserted into the positioning holes, the middle part of the annular groove two of the fixing ring two is provided with a limiting groove, and the limiting groove is communicated with the inner cavity of the connecting ring.

[0013] Further, one end of the connecting ring is provided with a plurality of sliding grooves, the inner part of the connecting ring is provided with two stop rings for limiting the extrusion piece, one stop ring is arranged on the inner wall of the connecting ring, and the other stop ring is arranged on the outer wall of the protection sleeve two, and one end of the stop ring is provided with a sealing pad two.

[0014] Further, the sealing pad comprises a first annular pad arranged in the annular groove two, and the first annular pad is inserted into the annular groove one, one end of the first annular pad is provided with a connecting block sliding in the limiting groove, and one end of the connecting block is provided with a second annular pad sliding in the connecting ring.

[0015] Further, the extrusion piece comprises a pressing ring for pushing the spring, the outer wall of the pressing ring is provided with a plurality of connecting blocks two sliding in the sliding grooves, one end of the connecting block two is provided with a limiting plate, and the limiting plate is an L-shaped rod body, and the middle part of one end of the limiting plate is provided with a through hole three.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] When fixing the connecting head and the connecting seat, the second annular pad drives the connecting block to pass into the limiting groove from the connecting ring, then the first annular pad and the connecting block are bonded, the positioning block is inserted into the positioning hole when the fixing ring two and the fixing ring one are close to each other, so that the first annular pad can be inserted into the annular groove one, the spring is put into the connecting ring, the pressing ring is put into the connecting ring, and the connecting block two is inserted into the sliding groove, then the screw rod is inserted into the hole cavities of the through hole two and the through hole one in sequence after passing through the through hole three, the nut is screwed on the rod body of the screw rod, so that the extrusion piece, the fixing ring two and the fixing ring one are fixed, and the first annular pad is tightly attached to the inner walls of the annular groove one and the annular groove two when the fixing ring two and the fixing ring one are tightly attached to each other, so that the sealing is completed, and the first annular pad is always tightly attached to the inner wall of the annular groove one by the pushing of the spring by the pressing ring when the first annular pad shrinks due to cold, so that the moisture cannot flow to the plug and the socket. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model.

[0019] Figure 2 It is the structural schematic view of the connecting head of the utility model;

[0020] Figure 3 It is the structural schematic view of the connecting seat of the utility model;

[0021] Figure 4 It is the structural schematic view of the connecting line two of the utility model;

[0022] Figure 5 It is the structural schematic view of the sealing gasket of the utility model;

[0023] Figure 6 It is the structural schematic view of the extrusion piece of the utility model.

[0024] In the drawing, the name list of the parts represented by each sign is as follows:

[0025] 100-connecting head, 110-connecting line one, 111-plug, 112-protection sleeve one, 120-fixing ring one, 121-bulge one, 122-through hole one, 123-positioning hole, 124-annular groove one;

[0026] 200-connecting seat, 210-connecting line two, 211-socket, 212-protection sleeve two, 213-fixing ring two, 214-bulge two, 215-through hole two, 216-positioning block, 217-annular groove two, 218-limiting groove, 10-connecting pipe, 11-sliding slot, 12-spring, 13-stop ring, 14-sealing gasket two, 220-sealing gasket, 221-first annular gasket, 222-second annular gasket, 223-connecting block, 230-extrusion piece, 231-pressing ring, 232-connecting block two, 233-limiting plate, 234-through hole three, 240-screw rod, 241-nut. DETAILED DESCRIPTION

[0027] The preferred specific embodiment for realizing the utility model is described in detail below, and clear and complete description is made in combination with the drawings.

[0028] Please refer to Figures 1-6 The utility model provides a kind of electric connector sealing structure, including connecting head 100 and connecting seat 200.

[0029] The connecting head 100 comprises a connecting wire one 110, a plug 111 is mounted at the right end of the connecting wire one 110, a protective sleeve one 112 is fixedly sleeved at the right end of the connecting wire one 110, a fixed ring one 120 is fixedly mounted on the outer wall of the right end of the protective sleeve one 112, a plurality of protrusions one 121 are fixedly mounted on the outer wall of the fixed ring one 120, a through hole one 122 is formed in the middle of the protrusion one 121, a plurality of positioning holes 123 are formed in the middle of the fixed ring one 120, the positioning holes 123 are arranged to facilitate positioning of the connecting seat 200, and an annular groove one 124 is formed on one side of the fixed ring one 120.

[0030] The connecting seat 200 comprises a connecting wire two 210, a socket 211 is mounted at the left end of the connecting wire two 210, a protective sleeve two 212 is fixedly sleeved at the left end of the connecting wire two 210, a fixed ring two 213 is fixedly mounted on one end of the protective sleeve two 212, a plurality of protrusions two 214 aligned with the protrusions one 121 are fixedly mounted on the outer wall of the fixed ring two 213, and a through hole two 215 aligned with the through hole one 122 is formed in the middle of the protrusion two 214. A plurality of screw rods 240 are mounted on the edge of the fixed ring two 213, and nuts 241 are mounted on the left ends of the screw rods 240. When the fixed ring two 213 and the fixed ring one 120 abut against each other, the screw rods 240 pass through the through hole two 215 and the through hole one 122, and then the nuts 241 are screwed into one end of the screw rods 240, so that the connecting head 100 and the connecting seat 200 are fixed together.

[0031] The middle of the fixed ring two 213 is mounted with a sealing gasket 220 for sealing the annular groove one 124.

[0032] The right side of the fixed ring two 213 is fixedly mounted with a connecting ring 10, the inside of the connecting ring 10 is placed with a spring 12 for pushing the sealing gasket 220, so that the sealing gasket 220 always moves towards the fixed ring one 120. One side of the connecting ring 10 is mounted with a pressing piece 230 for limiting the spring 12. One end of the connecting ring 10 is provided with a plurality of sliding grooves 11 for limiting the pressing piece 230, and the pressing piece 230 can only move horizontally on the connecting ring 10 through the arrangement of the sliding grooves 11. The inside of the connecting ring 10 is mounted with two stop rings 13 for limiting the pressing piece 230, one stop ring 13 is fixedly mounted on the inner wall of the connecting ring 10, and the other stop ring 13 is fixedly mounted on the outer wall of the protective sleeve two 212. One end of the stop ring 13 is mounted with a sealing gasket two 14, and the pressing piece 230 is arranged to press the spring 12 when one end of the pressing piece 230 abuts against the sealing gasket two 14, so that the spring 12 provides a pushing force to the sealing gasket 220.

[0033] The middle part of the fixed ring two 213 is fixedly provided with a plurality of positioning blocks 216 inserted into the positioning holes 123. When the positioning blocks 216 are inserted into the positioning holes 123, the sealing gasket 220 is aligned with the annular groove one 124, and the through hole two 215 is aligned with the through hole one 122. The middle part of the fixed ring two 213 is provided with an annular groove two 217 for placing the sealing gasket 220. The middle part of the groove cavity of the annular groove two 217 is provided with a limiting groove 218, and the limiting groove 218 is in communication with the inner cavity of the connecting ring 10.

[0034] The sealing gasket 220 comprises a first annular gasket 221 mounted in the annular groove two 217. The first annular gasket 221 is inserted into the annular groove one 124. One end of the first annular gasket 221 is provided with a connecting block 223 sliding in the limiting groove 218. The first annular gasket 221 and the connecting block 223 are bonded by glue. One end of the connecting block 223 is fixedly provided with a second annular gasket 222 sliding in the connecting ring 10.

[0035] The extrusion piece 230 comprises a pressing ring 231 for pushing the spring 12. The outer wall of the pressing ring 231 is fixedly provided with a plurality of connecting blocks two 232 sliding in the sliding groove 11. One end of the connecting block two 232 is fixedly provided with a limiting plate 233, and the limiting plate 233 is an L-shaped rod body. The middle part of one end of the limiting plate 233 is provided with a through hole three 234.

[0036] When the connecting head 100 and the connecting seat 200 are fixed, the second annular gasket 222 drives the connecting block 223 to pass into the limiting groove 218 from the connecting ring 10, and then the first annular gasket 221 and the connecting block 223 are bonded. When the fixed ring two 213 and the fixed ring one 120 are close to each other, the positioning blocks 216 are inserted into the positioning holes 123, so that the first annular gasket 221 can be inserted into the annular groove one 124. The spring 12 is placed in the connecting ring 10, the pressing ring 231 is placed in the connecting ring 10, and the connecting block two 232 is inserted into the sliding groove 11. Then the screw rod 240 is inserted into the hole cavities of the through hole two 215 and the through hole one 122 in sequence after passing through the through hole three 234. The nut 241 is screwed on the rod body of the screw rod 240, so that the extrusion piece 230, the fixed ring two 213 and the fixed ring one 120 are fixed. When the fixed ring two 213 and the fixed ring one 120 are close to each other, the first annular gasket 221 is tightly attached to the inner walls of the annular groove one 124 and the annular groove two 217 to complete the sealing. When the first annular gasket 221 shrinks due to cold, the spring 12 is pushed by the pressing ring 231, so that the first annular gasket 221 is always tightly attached to the inner wall of the annular groove one 124, so that the moisture cannot flow to the plug 111 and the socket 211.

[0037] Based on the above content and the drawings, those skilled in the art can understand and implement the present application. In addition, any non-creative modification of the present application by those skilled in the art without creative labor still falls within the protection scope of the present application.

Claims

1. An electric connector sealing structure comprising a connecting head (100) and a connecting seat (200), characterized in that: the connecting head (100) comprises a connecting wire I (110), one end of the connecting wire I (110) is sleeved with a protective sleeve I (112), one end of the protective sleeve I (112) is installed with a fixing ring I (120), one side of the fixing ring I (120) is provided with an annular groove I (124); the connecting seat (200) comprises a connecting wire II (210), one end of the connecting wire II (210) is installed with a protective sleeve II (212), one end of the protective sleeve II (212) is installed with a fixing ring II (213), the middle part of the fixing ring II (213) is installed with a sealing gasket (220) for sealing with the annular groove I (124), the edge part of the fixing ring II (213) is installed with a plurality of screw rods (240), one end of the screw rod (240) is installed with a nut (241); one side of the fixing ring II (213) is installed with a connecting ring (10), the inside of the connecting ring (10) is installed with a spring (12) for pushing the sealing gasket (220), one side of the connecting ring (10) is installed with a pressing piece (230) for limiting the spring (12).

2. An electrical connector seal according to claim 1, wherein: one end of the connecting wire I (110) is installed with a plug (111), the outer wall of the fixing ring I (120) is installed with a plurality of protrusions I (121), the middle part of the protrusion I (121) is provided with a through hole I (122), the middle part of the fixing ring I (120) is provided with a plurality of positioning holes (123).

3. An electrical connector seal according to claim 2, wherein: one end of the connecting wire II (210) is installed with a socket (211), the outer wall of the fixing ring II (213) is installed with a plurality of protrusions II (214) aligned with the protrusions I (121), the middle part of the protrusion II (214) is provided with a through hole II (215) for aligning with the through hole I (122).

4. An electrical connector seal according to claim 2, wherein: the middle part of the fixing ring II (213) is installed with a plurality of positioning blocks (216) inserted into the positioning holes (123), the middle part of the fixing ring II (213) is provided with an annular groove II (217) for placing the sealing gasket (220), the middle part of the groove cavity of the annular groove II (217) is provided with a limiting groove (218), and the limiting groove (218) is communicated with the inner cavity of the connecting ring (10).

5. An electrical connector seal according to claim 1, wherein: one end of the connecting ring (10) is provided with a plurality of sliding grooves (11), the inside of the connecting ring (10) is installed with two stop rings (13) for limiting the pressing piece (230), one stop ring (13) is installed on the inner wall of the connecting ring (10), and the other stop ring (13) is installed on the outer wall of the protective sleeve II (212), one end of the stop ring (13) is installed with a sealing gasket II (14).

6. An electrical connector seal according to claim 4, wherein: The sealing gasket (220) comprises a first annular gasket (221) installed in the annular groove two (217), and the first annular gasket (221) is inserted into the annular groove one (124), one end of the first annular gasket (221) is provided with a connecting block (223) sliding in the limiting groove (218), one end of the connecting block (223) is provided with a second annular gasket (222) sliding in the connecting ring (10).

7. An electrical connector seal according to claim 5, wherein: The extrusion piece (230) comprises a pressing ring (231) for pushing the spring (12), an outer wall of the pressing ring (231) is provided with a plurality of connecting blocks two (232) sliding in the sliding groove (11), one end of the connecting block two (232) is provided with a limiting plate (233), the limiting plate (233) is an L-shaped rod body, and a through hole three (234) is formed in the middle of one end of the limiting plate (233).

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