CN211694803U - Waterproof structure - Google Patents
Waterproof structure Download PDFInfo
- Publication number
- CN211694803U CN211694803U CN202020357224.9U CN202020357224U CN211694803U CN 211694803 U CN211694803 U CN 211694803U CN 202020357224 U CN202020357224 U CN 202020357224U CN 211694803 U CN211694803 U CN 211694803U
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- piece
- waterproof
- sealing
- pressing
- wire outlet
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Abstract
The utility model discloses a waterproof structure, which comprises a waterproof piece, a lead extending out of a wire outlet of the waterproof piece, a sealing piece which is contained in a cavity of the wire outlet and sleeved on the lead, and a pressing piece which is arranged at the wire outlet and used for pressing the sealing piece, wherein the pressing piece is fastened with the waterproof piece; the sealing piece is characterized in that one end of the pressing piece is provided with a taper hole, and the peripheral surface of one end, inserted into the taper hole, of the sealing piece is provided with a conical surface tightly attached to the inner wall of the taper hole. With this structural design, through the inseparable laminating of the conical surface of the taper hole in the piece that compresses tightly and sealing member tip, can effectively promote the axial and radial packing force of sealing member, then effectively promote the sealed effect of wire outlet department, increase sealed reliability, simultaneously, can effectively promote the convenience when this waterproof construction maintains through the dismouting that compresses tightly the piece.
Description
Technical Field
The utility model relates to a waterproof technology field especially relates to a waterproof construction.
Background
Under the prior art, a lamps and lanterns for deep water operation require all than higher to waterproof performance in the use, in order effectively to increase the waterproof performance of lamps and lanterns wire outlet department, mostly adopt the mode of glue encapsulating to design, but this kind of design is because encapsulating technology is comparatively troublesome, requires higher, if there is the bubble to sneak into glue in, causes waterproof performance to reduce very easily or become invalid, in addition, adopts the encapsulating operation, also makes product maintenance very inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waterproof construction, this waterproof construction can effectively promote the waterproof performance of waterproof, increases waterproof reliability, the maintenance of the waterproof of being convenient for simultaneously.
The utility model adopts the following technical scheme:
a waterproof structure comprises a waterproof piece, a lead extending out of a lead outlet of the waterproof piece, a sealing piece accommodated in a cavity of the lead outlet and sleeved on the lead, and a pressing piece arranged at the lead outlet and used for pressing the sealing piece, wherein the pressing piece is fastened with the waterproof piece; the sealing piece is characterized in that one end of the pressing piece is provided with a taper hole, and the peripheral surface of one end, inserted into the taper hole, of the sealing piece is provided with a conical surface tightly attached to the inner wall of the taper hole.
The outer peripheral surface of the pressing piece is provided with an annular groove, and the cross section of the annular groove is arranged in a V shape.
The pressing piece is contained in the wire outlet, and the end face of the exposed end of the pressing piece is flush with the end face of the wire outlet.
The periphery of the outer peripheral surface of the wire outlet is evenly provided with a plurality of machine-meter screws, and one ends of the machine-meter screws are matched with the annular grooves.
The inner wall of the outlet is provided with an internal thread, and the peripheral surface of the pressing piece is provided with an external thread in threaded connection with the outlet.
The pressing piece and the sealing piece coaxially penetrate through the wire passing hole.
Wherein, the inner peripheral surface of sealing member is provided with annular arch, and the sealing member sets up to elastic rubber spare.
The wire outlet of the waterproof piece is provided with a step hole, and the step hole is communicated with the cavity of the waterproof piece.
The bottom surface of the taper hole of the pressing piece is a plane, and the end face of the sealing piece is tightly attached to the plane.
Wherein, the compressing part is integrally formed by machining an aluminum alloy cylinder.
The utility model has the advantages that: the utility model provides a waterproof structure, which comprises a waterproof piece, a lead extending out of a wire outlet of the waterproof piece, a sealing piece which is contained in a cavity of the wire outlet and sleeved on the lead, and a pressing piece which is arranged at the wire outlet and used for pressing the sealing piece, wherein the pressing piece is fastened with the waterproof piece; the sealing piece is characterized in that one end of the pressing piece is provided with a taper hole, and the peripheral surface of one end, inserted into the taper hole, of the sealing piece is provided with a conical surface tightly attached to the inner wall of the taper hole. With this structural design, through the inseparable laminating of the conical surface of the taper hole in the piece that compresses tightly and sealing member tip, can effectively promote the axial and radial packing force of sealing member, then effectively promote the sealed effect of wire outlet department, increase sealed reliability, simultaneously, can effectively promote the convenience when this waterproof construction maintains through the dismouting that compresses tightly the piece.
Drawings
Fig. 1 is an exploded view of a waterproof structure according to the present invention.
Fig. 2 is a sectional view of the waterproof structure of the present invention, which is cut along the axial direction.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
With reference to fig. 1 to 2, the present embodiment provides a waterproof structure, including a waterproof member 1, a wire 2 extending from an outlet of the waterproof member 1, a sealing member 3 accommodated in a cavity of the outlet and sleeved on the wire 2, and a pressing member 4 disposed at the outlet for pressing the sealing member 3, wherein the pressing member 4 is fastened to the waterproof member 1; preferably, the sealing member 3 in this embodiment is an elastic rubber member having a certain elasticity, the pressing member 4 is a metal member integrally machined from an aluminum alloy cylinder, and the pressing member 4 is detachably connected to the sealing member 3, and further preferably, the waterproof member 1 in this embodiment is a lamp body having a lead exposed at one end thereof, and the lamp body is used in deep water operation.
Further, in this embodiment, in order to effectively increase the axial pressing force and the radial pressing force of the sealing member 3 when the pressing member 4 presses the sealing member 3, preferably, a tapered hole is provided at one end of the pressing member 4, and a tapered surface 31 that closely fits with an inner wall of the tapered hole is provided on an outer circumferential surface of one end of the sealing member 3 inserted into the tapered hole. Therefore, the sealing effect of the sealing element 3 is effectively improved through the close fit of the taper hole and the taper surface 31 and the pressure action of the pressing element 4.
Furthermore, in order to facilitate the installation and fixation of the pressing member 4, in this embodiment, an annular groove 41 is formed in the outer peripheral surface of the pressing member 4, the cross section of the annular groove 41 is in a V-shaped configuration, a plurality of machine-meter screws 5 are uniformly distributed on the outer peripheral surface of the outlet, and one end of the machine-meter screws 5 after rotation is inserted into the annular groove 41, so that the pressing member 4 is stably and reliably positioned.
As still another preferred embodiment of fixing the pressing member 4, in the present embodiment, the inner wall of the outlet is provided with an internal thread, and the outer peripheral surface of the pressing member 4 is provided with an external thread screwed to the outlet, so that the sealing member 3 is pressed by the screw connection of the pressing member 4 to the outlet. The utility model discloses can also adopt other similar connected modes, because all comparatively commonly used among the prior art, do not do here and specifically describe repeatedly.
Preferably, in order to enable the sealing element 3 to clamp the wire 2 after receiving the pressing force of the pressing element 4, the inner circumferential surface of the sealing element 3 is provided with an annular protrusion 32, the pressing element 4 and the sealing element 3 are coaxially provided with a wire passing hole in a penetrating manner, and in addition, in order to prevent the sealing element 3 from sliding axially along the outlet under the action of the axial pressure of the pressing element 4, the outlet of the waterproof element 1 is provided with a stepped hole, so that the sealing element 3 is supported by the stepped hole, and the stability of the sealing element after being pressed is improved. Further, in order to facilitate wiring, the step hole is communicated with the cavity of the waterproof part 1.
More specifically, in order to better extrude the sealing element 3, in this embodiment, the bottom surface of the tapered hole of the pressing element 4 is a plane, and the end surface of the sealing element 3 is tightly attached to the plane.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A waterproof structure is characterized by comprising a waterproof piece, a lead extending out of a wire outlet of the waterproof piece, a sealing piece accommodated in a cavity of the wire outlet and sleeved on the lead, and a pressing piece arranged at the wire outlet and used for pressing the sealing piece, wherein the pressing piece is fastened with the waterproof piece; the sealing piece is characterized in that one end of the pressing piece is provided with a taper hole, and the peripheral surface of one end, inserted into the taper hole, of the sealing piece is provided with a conical surface tightly attached to the inner wall of the taper hole.
2. A water-repellent structure according to claim 1, wherein: the outer peripheral surface of the pressing piece is provided with an annular groove, and the cross section of the annular groove is arranged in a V shape.
3. A water-repellent structure according to claim 2, wherein: the pressing piece is accommodated in the wire outlet, and the end face of the exposed end of the pressing piece is flush with the end face of the wire outlet.
4. A water-repellent structure according to claim 3, wherein: and a plurality of machine-meter screws are uniformly distributed on the periphery of the outer peripheral surface of the wire outlet, and one ends of the machine-meter screws are matched with the annular groove.
5. A water-repellent structure according to claim 1, wherein: the inner wall of the outlet is provided with internal threads, and the outer peripheral surface of the pressing piece is provided with external threads in threaded connection with the outlet.
6. A water-repellent structure according to claim 1, wherein: the pressing piece and the sealing piece coaxially penetrate through the wire passing hole.
7. A water-repellent structure according to claim 1, wherein: the inner peripheral surface of the sealing element is provided with an annular bulge, and the sealing element is an elastic rubber element.
8. A water-repellent structure according to claim 1, wherein: the wire outlet of the waterproof piece is provided with a step hole, and the step hole is communicated with the cavity of the waterproof piece.
9. A water-repellent structure according to claim 1, wherein: the bottom surface of the taper hole of the pressing piece is a plane, and the end face of the sealing piece is tightly attached to the plane.
10. A water-repellent structure according to claim 1, wherein: the pressing piece is integrally formed by machining an aluminum alloy cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020357224.9U CN211694803U (en) | 2020-03-19 | 2020-03-19 | Waterproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020357224.9U CN211694803U (en) | 2020-03-19 | 2020-03-19 | Waterproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211694803U true CN211694803U (en) | 2020-10-16 |
Family
ID=72779772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020357224.9U Active CN211694803U (en) | 2020-03-19 | 2020-03-19 | Waterproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211694803U (en) |
-
2020
- 2020-03-19 CN CN202020357224.9U patent/CN211694803U/en active Active
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