CN112259994A - Circular water seal tail cover structure - Google Patents
Circular water seal tail cover structure Download PDFInfo
- Publication number
- CN112259994A CN112259994A CN202010957423.8A CN202010957423A CN112259994A CN 112259994 A CN112259994 A CN 112259994A CN 202010957423 A CN202010957423 A CN 202010957423A CN 112259994 A CN112259994 A CN 112259994A
- Authority
- CN
- China
- Prior art keywords
- shell
- sheath
- annular spring
- sealing ring
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/508—Bases; Cases composed of different pieces assembled by a separate clip or spring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/512—Bases; Cases composed of different pieces assembled by screw or screws
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention provides a circular water sealing tail cover structure which comprises a shell and a sheath sleeved at one end of the shell, wherein the inner wall of the sheath is sequentially provided with a smooth surface matching part and a threaded part along the direction from the shell to the sheath, the outer wall of the shell is provided with threads matched with the threaded part for use, and a pressing block, an annular spring and a sealing mechanism are arranged between the shell and the sheath; the sealing mechanism comprises a first sealing ring sleeved in the groove of the outer wall of the shell and a second sealing ring arranged between the pressing block and the shell; the annular spring is arranged on one side close to the sheath, the second sealing ring is arranged on one side close to the shell, the pressing block is arranged between the annular spring and the second sealing ring, and when the shell and the sheath displace, the second sealing ring, the pressing block and the shell are always in a sealing state.
Description
Technical Field
The invention relates to the technical field of electric connectors, in particular to a circular water seal tail cover structure.
Background
The tail part of the traditional circular connector is divided into two types of half wire clamp type and integral threaded sleeve type according to the assembly form. The two half-wire clamp type circular tail parts are mainly used for occasions without requirements on the protection grade of the connector, such as indoor or cabinet bodies, otherwise, if dust, water vapor or liquid enters the tail parts, the risk of electrical performance reduction or short circuit of the connector can be caused, the dust or the water vapor is inevitable in the use places in practical application, once the dust, the water vapor or the liquid enters the tail parts, the whole connector and connected wires can be scrapped or replaced, the cost is high, and the period is long. The integral threaded sleeve type tail cover can prevent dust, rain and water at the protection level, is suitable for outdoor and severe complex environments, and can be applied and popularized; there is the round jack catch in the integrative shell nut that has now for the shell nut, it has a rubber circle to cover in the jack catch, can extrude the jack catch and inwards extrude the rubber circle when the swivel nut is screwed up, thereby rubber compression can directly form the extrusion with the wire and flatten the clearance between rubber and the wire and reach the purpose of protection, thereby because of rubber is the elastomer, thereby the afterbody wire can lead to the rubber circle to receive the outside atress extrusion of stress when the atress and lead to forming the one deck gap again between rubber circle and the wire and lead to the protection inefficacy, thereby liquid such as water can not reach the water-stop effect in permeating into the tail cover from the gap.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a circular water seal tail cover structure.
The invention solves the technical problems through the following technical means:
a circular water sealing tail cover structure comprises a shell and a sheath sleeved at one end of the shell, wherein the inner wall of the sheath is sequentially provided with a smooth surface matching part and a threaded part along the direction from the shell to the sheath, the outer wall of the shell is provided with threads matched with the threaded part for use, and a pressing block, an annular spring and a sealing mechanism are arranged between the shell and the sheath; the sealing mechanism comprises a first sealing ring sleeved in the groove of the outer wall of the shell and a second sealing ring arranged between the pressing block and the shell; the annular spring is arranged on one side close to the sheath, the second sealing ring is arranged on one side close to the shell, the pressing block is arranged between the annular spring and the second sealing ring, and when the shell and the sheath displace, the second sealing ring, the pressing block and the shell are always in a sealing state.
As the improvement of the technical scheme, one end of the shell, which is close to the second sealing ring, is provided with a first chamfer, so that the second sealing ring is always in contact with the first chamfer, and the shell shrinks inwards to tighten a wire when being compressed.
As an improvement of the technical scheme, one side of the sheath, which is close to the annular spring, is provided with a second chamfer which is used for matching with the annular spring to be stressed, extruded and contacted so that the annular spring is inwards contracted to tighten the wire.
As an improvement of the technical scheme, the outer wall of the sheath is provided with knurls.
As an improvement of the technical scheme, the annular spring comprises a matching area and an elastic compression area, the outer diameter of the matching area is equal to the inner diameter of the elastic compression area, the matching area surrounds 360 degrees and is inserted into the elastic compression area to form the annular spring, and when the annular spring is compressed, the elastic compression area is shortened, so that the inner diameter of the annular spring is reduced.
The invention has the beneficial effects that: radial water seal is realized between the inner wall of the sheath and the shell by arranging a first sealing ring in interference fit extrusion clearance, and axial seal is formed between the inner wall of the sheath and the shell by arranging a second sealing ring, a pressing block and an annular spring.
Can drive inside ring spring when revolving to twist, the removal of briquetting and second sealing washer, the briquetting can extrude the second sealing washer to first chamfer remove realize the second sealing washer to the inboard shrink compress tightly the wire with the clearance between wire and the second sealing washer fill realize the water-stop seal, thereby the briquetting can extrude ring spring to the side removal of second chamfer realize ring spring to the inboard shrink ring admittedly on wire outer insulation skin simultaneously, ring spring realizes 360 fixed of tail cover and wire, can realize stress release through ring spring during the afterbody wire atress simultaneously, the hidden danger of the sealed inefficacy that stress conduction leads to the inhomogeneous initiation of sealing washer compression to sealing washer department has been stopped.
Drawings
FIG. 1 is a schematic structural diagram of a circular water seal tail cover structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a ring spring according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a ring spring according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of an annular spring with a mating region inserted into an elastic compression region according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a compressed annular spring according to an embodiment of the present invention;
the sealing structure comprises a shell 1, a sheath 6, a smooth surface matching part 61, a threaded part 62, threads 12, a pressing block 4, an annular spring 5, a groove 13, a first sealing ring 2, a second sealing ring 3, a first chamfer 63, a second chamfer 63, a matching area 51 and an elastic compression area 52.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
As shown in fig. 1 to 5, the circular water-sealing tail cover structure of the present embodiment includes a housing 1 and a sheath 6 sleeved at one end of the housing 1, an inner wall of the sheath 6 is sequentially provided with a smooth surface matching portion 61 and a threaded portion 62 along the direction from the housing 1 to the sheath 6, an outer wall of the housing 1 is provided with a thread 12 used in cooperation with the threaded portion 62, and a pressing block 4, an annular spring 5 and a sealing mechanism are arranged between the housing 1 and the sheath 6; the sealing mechanism comprises a first sealing ring 2 sleeved in a groove 13 in the outer wall of the shell 1 and a second sealing ring 3 arranged between the pressing block 4 and the shell 1; the annular spring 5 is arranged on one side close to the sheath 6, the second sealing ring 3 is arranged on one side close to the shell 1, and the pressing block 4 is arranged between the annular spring 5 and the second sealing ring 3, so that when the shell 1 and the sheath 6 displace, the second sealing ring 3, the pressing block 4 and the shell 1 are always in a sealing state; the first sealing ring 2 makes the housing 1 form a radial seal with the sheath 6, and the second sealing ring 3 makes the sheath 6 form an axial seal with the housing 1.
Radial water seal is realized between the inner wall of the sheath 6 and the shell 1 through the arrangement of the first sealing ring 2 in interference fit extrusion clearance, and axial seal is formed between the inner wall of the sheath 6 and the shell 1 through the arrangement of the second sealing ring 3, the pressing block 4 and the annular spring 5.
The shell 1 is provided with a first chamfer 63 near one end of the second sealing ring 3, so that the second sealing ring 3 is always in contact with the first chamfer 63 and shrinks inwards to tighten the wire when being compressed.
One side of the sheath 6, which is close to the annular spring 5, is provided with a second chamfer 63 for matching with the annular spring 5 to be pressed and contacted under force so that the annular spring 5 contracts inwards to tighten the wire.
Can drive inside ring spring 5 when revolving to twist, the removal of briquetting 4 and second sealing washer 3, briquetting 4 can extrude second sealing washer 3 to first chamfer 63 removes and realizes that second sealing washer 3 contracts to the inboard and compresses tightly the wire and fill the realization water-tight seal with the clearance between wire and the second sealing washer 3, thereby briquetting 4 can extrude ring spring 5 to second chamfer 63 side move simultaneously and realize ring spring 5 and contract the ring to the inboard and fix on wire outer insulation skin, ring spring 5 realizes 360 fixed of tail cover and wire, can realize stress release through ring spring 5 during the afterbody wire atress simultaneously, the hidden danger of the sealed inefficacy that the stress conduction leads to the inhomogeneous initiation of sealing washer compression to sealing washer department has been stopped.
The outer wall of the sheath 6 is provided with knurls, so that the surface friction force is increased when the sheath 6 is rotated, and the sheath is convenient to screw.
The annular spring 5 comprises a matching area 51 and an elastic compression area 52, the outer diameter of the matching area 51 is equal to the inner diameter of the elastic compression area 52, the matching area 51 surrounds 360 degrees and is inserted into the elastic compression area 52 to form the annular spring 5, and when the annular spring 5 is compressed, the elastic compression area 52 is shortened, so that the inner diameter of the annular spring 5 is reduced.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a circular water-stop tail-hood structure which characterized in that: the novel anti-theft device is characterized by comprising a shell (1) and a sheath (6) sleeved at one end of the shell (1), wherein the inner wall of the sheath (6) is sequentially provided with a smooth surface matching part (61) and a threaded part (62) along the direction of the shell (1) towards the sheath (6), the outer wall of the shell (1) is provided with a thread (12) matched with the threaded part (62) for use, and a pressing block (4), an annular spring (5) and a sealing mechanism are arranged between the shell (1) and the sheath (6); the sealing mechanism comprises a first sealing ring (2) sleeved in a groove (13) in the outer wall of the shell (1) and a second sealing ring (3) arranged between the pressing block (4) and the shell (1); the annular spring (5) is arranged on one side close to the sheath (6), the second sealing ring (3) is arranged on one side close to the shell (1), the pressing block (4) is arranged between the annular spring (5) and the second sealing ring (3), and when the shell (1) and the sheath (6) are displaced, the second sealing ring (3), the pressing block (4) and the shell (1) are always in a sealing state.
2. The circular water seal tail cover structure according to claim 1, wherein: one end of the shell (1) close to the second sealing ring (3) is provided with a first chamfer (63), so that the second sealing ring (3) is always in contact with the first chamfer (63) and shrinks inwards to tighten the conducting wires when compressed.
3. The circular water seal tail cover structure according to claim 1, wherein: one side of the sheath (6) close to the annular spring (5) is provided with a second chamfer (63) which is used for matching with the annular spring (5) to be stressed, extruded and contacted to enable the annular spring (5) to contract inwards to tighten the lead.
4. The circular water seal tail cover structure according to claim 1, wherein: the outer wall of the sheath (6) is provided with knurls.
5. The circular water seal tail cover structure according to any one of claims 1 to 4, wherein: annular spring (5) are including cooperation district (51) and elasticity constriction zone (52), the external diameter in cooperation district (51) equals the internal diameter in elasticity constriction zone (52), and cooperation district (51) encircle 360 and insert annular spring (5) in elasticity constriction zone (52) formation, and when annular spring (5) received the compression, elasticity constriction zone (52) shorten, make the internal diameter of annular spring (5) diminish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010957423.8A CN112259994B (en) | 2020-09-13 | 2020-09-13 | Circular waterproof sealing tail cover structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010957423.8A CN112259994B (en) | 2020-09-13 | 2020-09-13 | Circular waterproof sealing tail cover structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112259994A true CN112259994A (en) | 2021-01-22 |
| CN112259994B CN112259994B (en) | 2022-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010957423.8A Active CN112259994B (en) | 2020-09-13 | 2020-09-13 | Circular waterproof sealing tail cover structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112259994B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB752012A (en) * | 1953-06-26 | 1956-07-04 | Titeflex Inc | Waterproof electrical plug and socket connector |
| DE3128939A1 (en) * | 1980-07-25 | 1982-05-19 | Reidar 5100 Isdalstoe Myking | CONTACTING COUPLING PART FOR A LIVE CABLE FOR ELECTRIC WELDING |
| CN201256226Y (en) * | 2008-08-07 | 2009-06-10 | 江苏华兴通讯科技有限公司 | Front-located sealing coaxial connector |
| CN102064424A (en) * | 2009-11-14 | 2011-05-18 | 苏州华旃航天电器有限公司 | Novel shielding and sealing tail accessory part |
| CN201994492U (en) * | 2011-01-13 | 2011-09-28 | 杭州日月电器股份有限公司 | Water-proof tail cover structure for electric connector |
| CN102509945A (en) * | 2011-12-01 | 2012-06-20 | 上海航天科工电器研究院有限公司 | Connection accessory capable of preventing breakage of cables |
| CN204558775U (en) * | 2014-09-10 | 2015-08-12 | 杭州航天电子技术有限公司 | A kind of electric connector |
| CN105020481A (en) * | 2015-07-16 | 2015-11-04 | 魏德米勒电联接（上海）有限公司 | Shield cable inletting device with annular elastic ring |
| CN106842447A (en) * | 2017-03-31 | 2017-06-13 | 中航光电科技股份有限公司 | Active optical cable connector and active optical cable component, photoelectric conversion unit |
| CN210668796U (en) * | 2019-11-26 | 2020-06-02 | 顺科新能源技术股份有限公司 | Waterproof connector and connector assembly |
| CN210744391U (en) * | 2019-11-18 | 2020-06-12 | 珠海市长盛电线电缆有限公司 | 8K super clear data line based on optical fiber transmission |
-
2020
- 2020-09-13 CN CN202010957423.8A patent/CN112259994B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB752012A (en) * | 1953-06-26 | 1956-07-04 | Titeflex Inc | Waterproof electrical plug and socket connector |
| DE3128939A1 (en) * | 1980-07-25 | 1982-05-19 | Reidar 5100 Isdalstoe Myking | CONTACTING COUPLING PART FOR A LIVE CABLE FOR ELECTRIC WELDING |
| CN201256226Y (en) * | 2008-08-07 | 2009-06-10 | 江苏华兴通讯科技有限公司 | Front-located sealing coaxial connector |
| CN102064424A (en) * | 2009-11-14 | 2011-05-18 | 苏州华旃航天电器有限公司 | Novel shielding and sealing tail accessory part |
| CN201994492U (en) * | 2011-01-13 | 2011-09-28 | 杭州日月电器股份有限公司 | Water-proof tail cover structure for electric connector |
| CN102509945A (en) * | 2011-12-01 | 2012-06-20 | 上海航天科工电器研究院有限公司 | Connection accessory capable of preventing breakage of cables |
| CN204558775U (en) * | 2014-09-10 | 2015-08-12 | 杭州航天电子技术有限公司 | A kind of electric connector |
| CN105020481A (en) * | 2015-07-16 | 2015-11-04 | 魏德米勒电联接（上海）有限公司 | Shield cable inletting device with annular elastic ring |
| CN106842447A (en) * | 2017-03-31 | 2017-06-13 | 中航光电科技股份有限公司 | Active optical cable connector and active optical cable component, photoelectric conversion unit |
| CN210744391U (en) * | 2019-11-18 | 2020-06-12 | 珠海市长盛电线电缆有限公司 | 8K super clear data line based on optical fiber transmission |
| CN210668796U (en) * | 2019-11-26 | 2020-06-02 | 顺科新能源技术股份有限公司 | Waterproof connector and connector assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112259994B (en) | 2022-03-25 |
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