CN210607835U - Circular connector - Google Patents
Circular connector Download PDFInfo
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- CN210607835U CN210607835U CN201922251733.3U CN201922251733U CN210607835U CN 210607835 U CN210607835 U CN 210607835U CN 201922251733 U CN201922251733 U CN 201922251733U CN 210607835 U CN210607835 U CN 210607835U
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- extension part
- cylindrical extension
- cylindrical
- sealing ring
- rubber sealing
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Abstract
The utility model relates to a circular connector, which comprises a plastic shell and a wire clamping sealing structure arranged at one end of the plastic shell; the wire clamping sealing structure comprises a cylindrical extension part, a cylindrical rubber sealing ring and a locking plastic nut, wherein the cylindrical extension part is fixed or integrated at the rear end of the plastic shell; a cable penetrates through the locking plastic nut and the cylindrical rubber sealing ring in sequence and is inserted into the plastic shell from the outer end of the cylindrical extension part; the outer circumferential surface of the cylindrical extension part is provided with an external thread; the locking plastic nut covers the cylindrical rubber sealing ring and is screwed with the external thread; a necking step is arranged in the inner cavity of the cylindrical extension part; the inner diameter of one end of the locking plastic nut, which is far away from the cylindrical extension part, is gradually reduced to form an inner conical surface; this circular connector can realize firm and sealed good double-layered line effect, and the protection cable is difficult for buckling, and is difficult not hard up, long-term effectual waterproof.
Description
Technical Field
The utility model relates to an electric component field especially relates to a circular connector.
Background
A circular connector is a type of connector that is cylindrical in basic configuration and has a circular mating face. In the interconnect classification, it belongs to class 5. Broadly, it includes low frequency circular connectors, radio frequency coaxial connectors therefrom, audio connectors, and the like. The cylindrical structure of the circular connector is naturally sturdy and has a higher strength than any other shape.
The product on the market adopts rubber circle and plastics jack catch to realize sealed, and when the cable external diameter was too little, it is sealed badly easily to cause.
SUMMERY OF THE UTILITY MODEL
The utility model provides a circular connector, this circular connector can realize firmly and sealed good double-layered line effect, and the protection cable is difficult for buckling, and is difficult not hard up, long-term effectual waterproof.
The technical scheme of the utility model as follows:
a circular connector comprises a plastic shell and a wire clamping sealing structure arranged at one end of the plastic shell; the wire clamping sealing structure comprises a cylindrical extension part, a cylindrical rubber sealing ring and a locking plastic nut, wherein the cylindrical extension part is fixed or integrated at the rear end of the plastic shell; a cable penetrates through the locking plastic nut and the cylindrical rubber sealing ring in sequence and is inserted into the plastic shell from the outer end of the cylindrical extension part; the outer circumferential surface of the cylindrical extension part is provided with an external thread; the locking plastic nut covers the cylindrical rubber sealing ring and is screwed with the external thread; a necking step is arranged in the inner cavity of the cylindrical extension part; the inner diameter of one end of the locking plastic nut, which is far away from the cylindrical extension part, is gradually reduced to form an inner conical surface; in the screwing process of the locking plastic nut, one end of the cylindrical rubber sealing ring abuts against the necking step and is expanded under stress, and the other end of the cylindrical rubber sealing ring deforms along the inner conical surface to tightly hoop the cylindrical rubber sealing ring.
The external thread is arranged at the root of the cylindrical extension part, and the front end of the cylindrical extension part extends outwards along the circumferential surface to form a circular claw structure; and at the last stage of screwing the locking plastic nut, the outer end of the circular claw structure deforms along the inner conical surface to tightly hoop the cable.
The inner part of the cylindrical extension part corresponding to the circular claw structure part is a sealed cavity; the inner diameter of the sealing cavity is larger than that of the cylindrical extension part corresponding to the external thread part, so that the root part of the sealing cavity forms the necking step.
Wherein, the necking step position is cushioned with a conical ring.
The utility model discloses following beneficial effect has:
1. the utility model discloses can realize firmly and sealed good double-layered line effect, the protection cable is difficult for buckling, is difficult not hard up, long-term effectual waterproof.
2. The utility model discloses utilize the deformability of cylindric rubber circle, both utilize its inflation to realize sealed effect, utilize its internal contraction to realize the tight hoop to the cable again, and because its flexible nature, can not be at the tight hoop in-process injury cable.
3. The utility model discloses the installation is simple and easy, and is low to the technological requirement, is convenient for improve production efficiency.
4. The utility model discloses utilize the circle claw structure to realize the further tight hoop effect to the cable, with the cooperation of cylindric rubber circle, the rigid-flexible combination utilizes the rigidity of claw strip and the flexible combination of cylindric rubber circle to can reach firm, permanent tight hoop and sealed effect.
Drawings
FIG. 1 is an exploded view of the present invention;
fig. 2 is a schematic diagram of the assembled structure of the present invention.
The reference numbers in the figures denote:
1-plastic shell, 2-wire clamping sealing structure, 21-cylindrical extension part, 211-external thread, 212-round claw structure, 213-sealing cavity, 215-necking step, 22-cylindrical rubber sealing ring, 23-locking plastic nut, 231-internal conical surface and 3-cable.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, a circular connector includes a plastic housing 1 and a wire clamping sealing structure 2 disposed at one end of the plastic housing 1; the wire clamping sealing structure 2 comprises a cylindrical extension part 21, a cylindrical rubber sealing ring 22 and a locking plastic nut 23 which are fixed or integrated at the rear end of the plastic shell 1; a cable 3 sequentially penetrates through a locking plastic nut 23 and a cylindrical rubber sealing ring 22 and is inserted into the plastic shell 1 from the outer end of the cylindrical extension part 21; the outer circumference of the cylindrical extension 21 is provided with an external thread 211; the locking plastic nut 23 covers the cylindrical rubber sealing ring 22 and is screwed with the external thread 211; a necking step 215 is arranged in the inner cavity of the cylindrical extension part 21; the inner diameter of one end of the locking plastic nut 23 far away from the cylindrical extension part 21 is gradually reduced to form an inner conical surface 231; during screwing of the locking plastic nut 23, one end of the cylindrical rubber sealing ring 22 abuts against the necking step 215 and is forced to expand, and the other end deforms along the inner conical surface 231 to tightly clamp the cylindrical rubber sealing ring 22.
Further, the external thread 211 is arranged at the root of the cylindrical extension 21, and the front end of the cylindrical extension 21 extends outwards along the circumferential surface to form a circular claw structure 212; at the end of the screwing of the locking plastic nut 23, the outer ends of the circular jaw structures 212 deform along the inner tapered surfaces 231 to grip the cable 3.
Further, the inside of the cylindrical extension 21 corresponding to the circular claw structure 212 is a sealed cavity 213; the inner diameter of the sealing cavity 213 is larger than the inner diameter of the corresponding cylindrical extension 21 of the external thread 211, so that the root of the sealing cavity 213 forms the necking step 215.
Further, the necking step 215 is padded with a tapered ring.
The utility model discloses a theory of operation:
the cable 3 is inserted into the plastic shell 1 from the cylindrical extension part 21 through the locking plastic nut 23 and the cylindrical rubber sealing ring 22 in sequence; screwing the locking plastic nut 23 to the cylindrical extension part 21, wherein in the process, the cylindrical rubber sealing ring 22 is driven by the locking plastic nut 23 to move towards one side of the cylindrical extension part 21 and is inserted into the cylindrical extension part 21 to the necking step 215; at the later stage of screwing, two ends of the cylindrical rubber sealing ring 22 are respectively extruded by the necking step 215 and the inner conical surface 231, and one side of the necking step 215 is extruded and expanded to abut against the inner wall of the cylindrical extension part 21 and the conical ring; the tight-hooping cable 3 is squeezed and reduced on one side of the inner conical surface 231; the circular claw structure 212 is also pressed by the inner conical surface 231 in the process to reduce the grip cylindrical rubber seal 22.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (4)
1. A circular connector, comprising: comprises a plastic shell (1) and a wire clamping sealing structure (2) arranged at one end of the plastic shell (1); the wire clamping sealing structure (2) comprises a cylindrical extension part (21), a cylindrical rubber sealing ring (22) and a locking plastic nut (23), wherein the cylindrical extension part is fixed or integrated at the rear end of the plastic shell (1); a cable (3) sequentially penetrates through a locking plastic nut (23) and a cylindrical rubber sealing ring (22) and is inserted into the plastic shell (1) from the outer end of the cylindrical extension part (21); the outer circumferential surface of the cylindrical extension part (21) is provided with an external thread (211); the locking plastic nut (23) covers the cylindrical rubber sealing ring (22) and is screwed with the external thread (211); a necking step (215) is arranged in the inner cavity of the cylindrical extension part (21); the inner diameter of one end of the locking plastic nut (23) far away from the cylindrical extension part (21) is gradually reduced to form an inner conical surface (231); in the screwing process of the locking plastic nut (23), one end of the cylindrical rubber sealing ring (22) abuts against the necking step (215) and is stressed to expand, and the other end of the cylindrical rubber sealing ring (22) is deformed along the inner conical surface (231) to tightly hoop the cylindrical rubber sealing ring.
2. A circular connector as defined in claim 1, wherein: the external thread (211) is arranged at the root of the cylindrical extension part (21), and the front end of the cylindrical extension part (21) extends outwards along the circumferential surface to form a circular claw structure (212); at the last stage of screwing the locking plastic nut (23), the outer end of the circular claw structure (212) deforms and tightens the cable (3) along the inner conical surface (231).
3. A circular connector as defined in claim 1, wherein: the inner part of the cylindrical extension part (21) corresponding to the part of the circular claw structure (212) is a sealed cavity (213); the inner diameter of the sealing cavity (213) is larger than that of the cylindrical extension part (21) corresponding to the external thread (211), so that the root of the sealing cavity (213) forms the necking step (215);
4. a circular connector according to any one of claims 1 to 3, wherein: and a conical ring is padded at the position of the necking step (215).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922251733.3U CN210607835U (en) | 2019-12-16 | 2019-12-16 | Circular connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922251733.3U CN210607835U (en) | 2019-12-16 | 2019-12-16 | Circular connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210607835U true CN210607835U (en) | 2020-05-22 |
Family
ID=70696172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922251733.3U Active CN210607835U (en) | 2019-12-16 | 2019-12-16 | Circular connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210607835U (en) |
-
2019
- 2019-12-16 CN CN201922251733.3U patent/CN210607835U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 350109 office 1710, floor 17, building 3, block a, ICT International Center, No. 79, Wulong Jiangnan Avenue, Nanyu Town, Minhou County, Fuzhou City, Fujian Province Patentee after: Chenhaoxiang industry (Fujian) Co.,Ltd. Address before: 350012 office building 19, floor 15, building 5a, Taihe City Plaza (phase II), No. 6, Banzhong Road, Xindian Town, Jin'an District, Fuzhou City, Fujian Province Patentee before: FUJIAN SVLIS ELECTRIC Co.,Ltd. |