CN216312164U - Waterproof connecting sleeve - Google Patents
Waterproof connecting sleeve Download PDFInfo
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- CN216312164U CN216312164U CN202122566502.9U CN202122566502U CN216312164U CN 216312164 U CN216312164 U CN 216312164U CN 202122566502 U CN202122566502 U CN 202122566502U CN 216312164 U CN216312164 U CN 216312164U
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- water
- main body
- guide hole
- swelling
- hole
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Abstract
The utility model discloses a waterproof connecting sleeve which comprises a first main body, a second main body and a first water-swelling water stop ring; the connecting end of the first main body is provided with a first guide hole and a first step hole which are coaxially arranged and penetrate through, the inner diameter of the first step hole is larger than that of the first guide hole, and the outer edge of the first step hole is provided with a first annular groove which is coaxially arranged and extends towards the first guide hole. According to the waterproof connecting sleeve, the first water swelling water stop ring swells after absorbing water to form sealing for the connecting end of the first main body and the connecting end of the second main body, and a good waterproof effect is achieved; simultaneously first water-swelling sealing rod swells after absorbing water, it produces stress to the link of first main part and the link of second main part respectively to what make first main part and second main part be connected is inseparabler, and first water-swelling sealing ring and the static friction grow between the two meet water-swelling sealing ring, even long-time work, this waterproof adapter sleeve still keeps good fastening.
Description
Technical Field
The utility model relates to the technical field of connecting sleeves, in particular to a waterproof connecting sleeve.
Background
The waterproof connecting sleeve is a connector which can be applied to an environment with water and can ensure the normal use of the mechanical property and the electrical property in the connector under the condition of bearing certain water pressure. The application fields are very wide, for example: LED street lamp, beacon, pleasure boat, watering lorry, industrial equipment, automation equipment, military field etc. all need use waterproof adapter sleeve.
The existing waterproof connecting sleeve is easy to loosen due to water pressure or device vibration after working for a long time, so that the waterproof performance is reduced, and the connecting part cannot be protected from water.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the background technology, the utility model provides a waterproof connecting sleeve.
The utility model provides a waterproof connecting sleeve which comprises a first main body, a second main body and a first water-swelling water stop ring, wherein the first main body is provided with a first water-swelling water stop ring;
the connecting end of the first main body is provided with a first guide hole and a first step hole which are coaxially arranged and penetrate through, the inner diameter of the first step hole is larger than that of the first guide hole, the outer edge of the first step hole is provided with a first annular groove which is coaxially arranged and extends towards the first guide hole, and the bottom of the first step hole is provided with a first butting surface;
the connecting end of the second main body is provided with a second guide hole and a second stepped hole which are coaxially arranged with the first guide hole and penetrate through the first guide hole, the inner diameter of the second stepped hole is larger than that of the second guide hole, and the bottom of the second stepped hole is provided with a second butting surface;
the first water swelling seal ring and the connecting end of the second main body are located in the first annular groove, the first water swelling seal ring is sleeved at the connecting end of the second main body, the inner side wall of the second stepped hole is provided with an internal thread, the side wall of the first annular groove, which is close to the axial lead, is provided with an external thread matched with the internal thread, the connecting end of the second main body is in threaded connection with the connecting end of the first main body, and the first butt joint surface and the second butt joint surface are correspondingly arranged.
Preferably, the first end cover is arranged on one side of the first main body far away from the connecting end of the first main body and is in threaded connection with the first main body, and the first end cover is provided with a third guide hole which is coaxially arranged with the first guide hole.
Preferably, the guide hole assembly further comprises a second water-swelling water stop ring, wherein the second water-swelling water stop ring is arranged in the first end cover and coaxially arranged at the outer edge of the third guide hole.
Preferably, the cross-sectional area of the second water-swellable water stop ring is tapered in a direction from the first guide hole toward the second guide hole.
Preferably, the connecting structure further comprises a second end cover, the second end cover is arranged on one side of the second main body far away from the connecting end of the second main body and is in threaded connection with the second main body, and the second end cover is provided with a fourth guide hole which is coaxially arranged with the second guide hole.
Preferably, a third water-swellable water stop ring is further included, the third water-swellable water stop ring being disposed within the second end cap and coaxially disposed at an outer edge of the fourth guide hole.
Preferably, the cross-sectional area of the third water-swellable water stop ring is tapered in a direction from the second guide hole toward the first guide hole.
According to the waterproof connecting sleeve, under the working environment with water, the first water swelling water stop ring swells after absorbing water to form sealing for the connecting end of the first main body and the connecting end of the second main body, and the waterproof connecting sleeve has a good waterproof effect;
simultaneously first water-swelling sealing rod swells after absorbing water, it produces stress to the link of first main part and the link of second main part respectively, so that the link of first main part and the link of second main part are connected inseparabler, first water-swelling sealing ring and the static friction grow between the two meet water-swelling sealing ring, even under the operating condition of long-time high pressure or high frequency vibration by a wide margin, this waterproof adapter sleeve still keeps good fastening nature, avoid the adapter sleeve among the prior art to cause the fastening to descend because of long-time work, thereby reduce waterproof performance.
Drawings
Fig. 1 is a schematic structural view of a waterproof connecting sleeve according to the present invention.
Detailed Description
As shown in fig. 1, fig. 1 is a schematic structural view of a waterproof connecting sleeve according to the present invention.
Referring to fig. 1, the waterproof connecting sleeve provided by the utility model comprises a first main body 1, a second main body 2 and a first water-swelling water stop ring 3;
the connecting end of the first main body 1 is provided with a first guide hole 11 and a first stepped hole which are coaxially arranged and penetrate through, the inner diameter of the first stepped hole is larger than that of the first guide hole 11, the outer edge of the first stepped hole is provided with a first annular groove 12 which is coaxially arranged and extends towards the first guide hole 11, and the bottom of the first stepped hole is provided with a first butting surface 122;
the connecting end of the second body 2 is provided with a second guide hole 21 and a second stepped hole 22 which are coaxially arranged with the first guide hole 11 and penetrate through the second guide hole, the inner diameter of the second stepped hole 22 is larger than that of the second guide hole 21, and the bottom of the second stepped hole 22 is provided with a second butting surface 221;
the connecting ends of the first water-swelling water stop ring 3 and the second main body 2 are located in the first ring groove 12, the first water-swelling water stop ring 3 is sleeved on the connecting end of the second main body 2, the inner side wall of the second stepped hole 22 is provided with an internal thread 222, the side wall of the first ring groove 12 close to one side of the axial lead is provided with an external thread 121 matched with the internal thread 222, the connecting end of the second main body 2 is in threaded connection with the connecting end of the first main body 1, and the first butt joint surface 122 is arranged corresponding to the second butt joint surface 221.
In the specific working process of the waterproof connecting sleeve of the embodiment, the second main body 2 is rotated to enable the connecting end of the second main body 2 and the connecting end of the first main body 1 to be close to each other and to be in threaded connection until the first butt joint surface 122 and the second butt joint surface 221 abut against each other, the first water swelling water stopping ring 3 is sleeved at the connecting end of the second main body 2 and is nested in the second ring groove, the first water swelling water stopping ring 3 forms sealing for the connecting ends of the first main body 1 and the second main body 2, and the conducting wire 8 penetrates through the first guiding hole 11 and the second guiding hole 21.
In the embodiment, the waterproof connecting sleeve is provided, and under a working environment with water, the first water-swelling water stop ring 3 swells after absorbing water to form sealing for the connecting end of the first main body 1 and the connecting end of the second main body 2, so that a good waterproof effect is achieved;
simultaneously first water-swelling sealing rod swells after absorbing water, it produces stress action to the link of first main part 1 and the link of second main part 2 respectively, so that the link of first main part 1 and the link of second main part 2 are connected inseparabler, first water-swelling sealing ring 3 and the static frictional force grow between the two, even under the operating condition of long-time high pressure or high frequency vibration by a wide margin, this waterproof adapter sleeve still keeps good fastening nature, avoid the adapter sleeve among the prior art to cause the fastening to descend because of long-time work, thereby reduce waterproof performance.
In the specific embodiment, in order to further realize the sealing of the side of the first main body 1 away from the connecting end thereof, the first main body 1 further comprises a first end cap 4 and a second water-swelling water-stopping ring 5, the first end cap 4 is arranged on the side of the first main body 1 away from the connecting end thereof and is in threaded connection with the first main body 1, the first end cap 4 is provided with a third guide hole 41 coaxially arranged with the first guide hole 11, and the second water-swelling water-stopping ring 5 is arranged in the first end cap 4 and is coaxially arranged at the outer edge of the third guide hole 41. The second water swelling seal ring 5 absorbs moisture in the working environment to swell, fills the gap, has waterproof sealing effect to the realization is sealed to the tip of first main part 4. In order to improve the application range of the waterproof connecting sleeve and the conducting wires 8 with different pipe diameters, the cross-sectional area of the second water-swelling water stop ring 5 is gradually reduced in the direction from the first guide hole 11 to the second guide hole 21.
Further, for further improving the sealing performance, the water-swelling type water-stopping device further comprises a second end cap 6 and a third water-swelling water-stopping ring 7, wherein the second end cap 6 is arranged on the side of the second main body 2 away from the connecting end of the second main body and is in threaded connection with the second main body 2, the second end cap 6 is provided with a fourth guide hole 61 coaxially arranged with the second guide hole 21, and the third water-swelling water-stopping ring 7 is arranged in the second end cap 6 and is coaxially arranged at the outer edge of the fourth guide hole 61. The third water swelling seal ring 7 absorbs moisture in the working environment to swell, fills the gap, has waterproof sealing effect to realize the end sealing to the second main body 2. To improve the applicability of the waterproof connecting sleeve to wires 8 of different diameters, the cross-sectional area of the third water-swelling water stop ring 7 is gradually reduced in the direction from the second guide hole 21 to the first guide hole 11.
The working principle is as follows: the wire 8 penetrates through the third guide hole 41, the first guide hole 11, the second guide hole 21 and the fourth guide hole 61 in sequence; the first water-swelling water stop ring 3 is arranged between the first main body 1 and the second main body 2, the second water-swelling water stop ring 5 is arranged between the first main body 1 and the conducting wire 8, and the third water-swelling water stop ring 7 is arranged between the second main body 2 and the conducting wire 8; by rotating the second body 2, the connecting end of the second body 2 and the connecting end of the first body 1 are brought close to each other and screwed until the first abutment surface 122 and the second abutment surface 221 abut against each other.
When the waterproof connecting sleeve is under a water working environment, the first water-swelling water-stopping ring 3, the second water-swelling water-stopping ring 5 and the third water-swelling water-stopping ring 7 all swell with water, the first water-swelling water-stopping ring 3 forms a seal for the connecting end of the first main body 1 and the second main body 2, the second water-swelling water-stopping ring 5 forms a seal for one side of the first main body 1 far away from the connecting end, and the third water-swelling water-stopping ring 7 forms a seal for one side of the second main body 2 far away from the connecting end; meanwhile, the first water-swelling water stop rod swells after absorbing water, and respectively exerts stress action on the connecting end of the first main body 1 and the connecting end of the second main body 2, so that the connecting end of the first main body 1 and the connecting end of the second main body 2 are connected more tightly, the static friction force between the first water-swelling water stop ring 3 and the first water-swelling water stop ring is increased, and the waterproof connecting sleeve still keeps good tightness even under the working condition of long-time high pressure or high-frequency large-amplitude vibration; and the cross-sectional area gradually diminishes second water-swelling seal ring 5 and third water-swelling seal ring 7 can be suitable for wire 8 of any pipe diameter, enlarges the application scope of this waterproof adapter sleeve.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. A waterproof connecting sleeve is characterized by comprising a first main body (1), a second main body (2) and a first water-swelling water stop ring (3);
the connecting end of the first main body (1) is provided with a first guide hole (11) and a first stepped hole which are coaxially arranged and penetrate through, the inner diameter of the first stepped hole is larger than that of the first guide hole (11), the outer edge of the first stepped hole is provided with a first annular groove (12) which is coaxially arranged and extends towards the first guide hole (11), and the bottom of the first stepped hole is provided with a first butting surface (122);
a second guide hole (21) and a second stepped hole (22) which are coaxially arranged with the first guide hole (11) and penetrate through are formed in the connecting end of the second main body (2), the inner diameter of the second stepped hole (22) is larger than that of the second guide hole (21), and a second butting surface (221) is formed at the bottom of the second stepped hole (22);
the connecting end of first water-swelling seal ring (3) and second main part (2) all is located first annular (12), and first water-swelling seal ring (3) cover is established at the connecting end of second main part (2), the inside wall of second step hole (22) is equipped with internal thread (222), first annular (12) are close to axial lead one side lateral wall and are equipped with external screw thread (121) with internal thread (222) complex, the connecting end of second main part (2) and the connecting end threaded connection of first main part (1), first butt joint face (122) and second butt joint face (221) correspond and arrange.
2. The waterproof connecting sleeve according to claim 1, characterized by further comprising a first end cover (4), wherein the first end cover (4) is arranged on the side of the first main body (1) far away from the connecting end and is in threaded connection with the first main body (1), and the first end cover (4) is provided with a third guide hole (41) coaxially arranged with the first guide hole (11).
3. Water-resistant connecting sleeve according to claim 2, characterized by further comprising a second water-swelling water stop ring (5), the second water-swelling water stop ring (5) being arranged inside the first end cap (4) and coaxially arranged at the outer edge of the third guide hole (41).
4. Water-resistant connecting sleeve according to claim 3, characterized in that the cross-sectional area of the second water-swellable water stop ring (5) tapers in the direction from the first guide opening (11) to the second guide opening (21).
5. The waterproof connecting sleeve according to any one of claims 1 to 4, characterized by further comprising a second end cap (6), wherein the second end cap (6) is arranged on the side of the second body (2) away from the connecting end thereof and is in threaded connection with the second body (2), and the second end cap (6) is provided with a fourth guide hole (61) coaxially arranged with the second guide hole (21).
6. Water-resistant connecting sleeve according to claim 5, characterized by further comprising a third water-swelling water stop ring (7), wherein the third water-swelling water stop ring (7) is arranged in the second end cap (6) and coaxially arranged at the outer edge of the fourth guide hole (61).
7. Water-resistant connecting sleeve according to claim 6, characterized in that the cross-sectional area of the third water-swellable water stop ring (7) tapers in the direction from the second guide opening (21) to the first guide opening (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122566502.9U CN216312164U (en) | 2021-10-25 | 2021-10-25 | Waterproof connecting sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122566502.9U CN216312164U (en) | 2021-10-25 | 2021-10-25 | Waterproof connecting sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216312164U true CN216312164U (en) | 2022-04-15 |
Family
ID=81116227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122566502.9U Active CN216312164U (en) | 2021-10-25 | 2021-10-25 | Waterproof connecting sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216312164U (en) |
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2021
- 2021-10-25 CN CN202122566502.9U patent/CN216312164U/en active Active
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