CN210669486U - Hydraulic instrument cable end waterproof device - Google Patents
Hydraulic instrument cable end waterproof device Download PDFInfo
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- CN210669486U CN210669486U CN201921623657.8U CN201921623657U CN210669486U CN 210669486 U CN210669486 U CN 210669486U CN 201921623657 U CN201921623657 U CN 201921623657U CN 210669486 U CN210669486 U CN 210669486U
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Abstract
The utility model discloses a hydraulic instrument cable end waterproof device, which comprises a bolt end with a hole, a nut with a cavity, a washer and an O-shaped rubber ring; a central through hole for penetrating a cable to be sealed is arranged in the end head of the bolt with the hole, and the outer wall of the end head of the bolt with the hole comprises an external thread section and a polygonal screwing section; the nut with the cavity is provided with an inner cavity, the inner wall of the opening end of the inner cavity is provided with an internal thread, and the internal thread is matched with an external thread section at the end head of the bolt with the hole; the tail end of the nut with the cavity is provided with a screwing action part, and the screwing action part is provided with a through hole for penetrating a steel wire or a rope, so that the nut with the cavity can be conveniently bound and fixed; the washer and the O-shaped rubber ring are arranged at the threaded connection part between the end head of the bolt with the hole and the nut with the cavity, and play a role in sealing. The device can realize the quick seal and the deblocking to the cable end of instrument, improves the sealed effect of cable end greatly, convenient to use.
Description
Technical Field
The utility model belongs to geotechnical engineering monitoring field, specificly relate to a hydraulic engineering instrument cable end watertight fittings.
Background
When the offshore instrument is used, the cable end of the sensor is exposed in seawater for a long time, and the seawater enters the sensor along the cable under the action of water pressure, so that the sensor fails. How to effectively prevent water from being carried out on the cable head of the sensor is directly related to success or failure of monitoring work. The use method of the buried offshore (or coastal) sensor comprises the following steps: when the detection is needed (in a damp state), a worker contacts the display instrument connector with the cable head of the sensor and then reads the detection data of the sensor; in a non-detection state, when seawater rises, the cable head of the sensor can be submerged by the seawater.
The current commonly used hydraulic cable end waterproof modes include two types: 1. winding and sealing by adopting a high-pressure waterproof adhesive tape; 2. and sealing by adopting a heat shrink tube and hot melt adhesive. The two methods have higher requirements on the operation methods and responsibility of personnel, and the completion quality and efficiency are not easy to guarantee due to the short operation time on the sea. In addition, the influence of complex offshore environment and surrounding construction conditions often causes the water leakage of cable ends.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a hydraulic instrument cable end watertight fittings, the device can realize improving the sealed effect of cable end, convenient to use greatly to the quick sealed and the deblocking of the cable end of instrument.
The utility model discloses a realize through following technical scheme:
a hydraulic instrument cable end waterproof device comprises a bolt end with a hole, a nut with a cavity, a gasket and an O-shaped rubber ring;
the structure of the end of the bolt with the hole is as follows: a central through hole for penetrating a cable to be sealed is formed in the end head of the perforated bolt, the outer wall of the end head of the perforated bolt comprises an external thread section and a polygonal screwing section, the end head of the perforated bolt can be in threaded connection with the nut with the cavity through the external thread section, and a wrench can be used for applying screwing acting force to the end head of the perforated bolt through the polygonal screwing section;
the structure of the nut with the cavity is as follows: the nut with the cavity is provided with an inner cavity, and the inner diameter of the inner cavity is larger than the diameter of the cable to be sealed, so that the cable to be sealed can be accommodated in the inner cavity; one end of the inner cavity is open, the other end is closed, and the inner wall of the open end of the inner cavity is provided with an internal thread which is matched with an external thread section at the end of the bolt with the hole; the tail end of the nut with the cavity is provided with a screwing action part, and the screwing action part is provided with a through hole for penetrating a steel wire or a rope;
the gasket and the O-shaped rubber ring are arranged at the threaded connection part between the end of the bolt with the hole and the nut with the cavity, and play a role in sealing.
In the technical scheme, the number of the gaskets is 3, the number of the O-shaped rubber rings is two, and each O-shaped rubber ring is clamped by two gaskets.
In the technical scheme, the polygonal screwing section of the end of the bolt with the hole is hexagonal.
In the technical scheme, the length of the external thread section of the end of the holed bolt is 8-15mm, and the diameter of the external thread is 10 mm.
In the technical scheme, the diameter of the central through hole of the end of the bolt with the hole is 6 mm.
In the technical scheme, the length of the nut with the cavity is 8-10cm, the outer diameter is 12mm, the length of the cavity is 50mm, the diameter of the cavity is 8mm, the length of the internal thread is 15-20mm, and the diameter of the internal thread is 10 mm.
In the technical scheme, the screwing action part at the tail end of the nut with the cavity is of a linear structure, the thickness of the screwing action part is 8mm, and the wrench can apply acting force to the nut with the cavity through the linear structure.
In the technical scheme, the outer diameter of the gasket is 10mm, the inner diameter is 6mm, and the thickness is 3 mm.
In the technical scheme, the outer diameter of the O-shaped ring is 10mm, and the wire diameter is 2.4 mm.
The utility model discloses an advantage and beneficial effect do:
the utility model discloses a hydraulic instrument cable end watertight fittings, its reasonable in design, simple structure, with low costs, the processing production of being convenient for, convenient to use can realize sealed fast and the deblocking to hydraulic instrument cable end, receives the influence of environment and peripheral construction little, improves the sealed effect of cable end greatly. And the device can be repeatedly used, so that the cost for protecting the instrument is greatly reduced.
Drawings
Fig. 1 is the utility model discloses before hydraulic apparatus cable end of a thread watertight fittings assembles the sketch map.
Fig. 2 is the utility model discloses hydraulic instrument cable end of a thread watertight fittings assembles the back sketch map.
Fig. 3 is the left side view of the cable head waterproof device of the hydraulic instrument of the utility model.
Fig. 4 is the utility model discloses hydraulic instrument cable end watertight fittings right side view.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical field person understand the solution of the present invention better, the technical solution of the present invention is further described below with reference to the specific embodiments.
Example one
Referring to the attached drawings 1-4, the waterproof device for the cable end of the hydraulic instrument comprises a bolt end 1 with a hole, a nut 2 with a cavity, a gasket 3 and an O-shaped rubber ring 4.
The structure of the end socket 1 of the bolt with the hole is as follows: the axial center of the end of the holed bolt is provided with a central through hole 1-1, the aperture of the central through hole is slightly larger than the diameter of a cable 5 to be sealed so that the cable to be sealed can pass through the central through hole 1-1, the outer wall of the end of the holed bolt comprises an external thread section 1-2 and a polygonal screwing section 1-3, the end 1 of the holed bolt can be in threaded connection with a nut 2 with a cavity through the external thread section 1-2, and the polygonal screwing section 1-3 can apply screwing acting force to the end of the holed bolt by a spanner.
The structure of the nut 2 with the cavity is as follows: the nut with the cavity is provided with an inner cavity 2-1, the inner diameter of the inner cavity is larger than the diameter of the cable 5 to be sealed, so that the cable to be sealed can be accommodated in the inner cavity; one end of the inner cavity is open, the other end is closed, and the inner wall of the open end of the inner cavity is provided with an internal thread 2-2 which can be matched with an external thread section 1-2 of the end head 1 of the bolt with a hole; the tail end of the nut with the cavity is provided with a screwing action part 2-3, the screwing action part 2-3 is provided with a through hole 2-4, and the through hole 2-4 is used for penetrating a steel wire or a rope so as to conveniently bind and fix the nut with the cavity.
The number of the gaskets 3 is 3, the number of the O-shaped rubber rings 4 is two, and the gaskets 3 and the O-shaped rubber rings 4 are arranged at the threaded connection part between the end 1 of the bolt with the hole and the nut 2 with the cavity to play a role in sealing. Further, the O-rings 4 are disposed at a position between the two washers 3, i.e., each O-ring 4 is clamped by the two washers 3.
Further, the polygonal screw section 1-3 of the head of the holed bolt is preferably hexagonal (FIG. 3).
Furthermore, the length of the external thread section 1-2 of the end of the holed bolt is 8-15mm, and the diameter of the external thread is 10 mm.
Further, the diameter of the central through hole 1-1 of the end of the holed bolt is 6 mm.
Furthermore, the length of the nut 2 with the cavity is 8-10cm, the outer diameter is 12mm, the length of the cavity 2-1 is 50mm, the diameter of the cavity is 8mm, the length of the internal thread 2-2 is 15-20mm, and the diameter of the internal thread is 10 mm.
Furthermore, the screwing action part 2-3 at the tail end of the nut with the cavity adopts a straight structure (figure 4), the thickness is 8mm, and a wrench can apply acting force to the nut with the cavity through the straight structure.
Further, the outer diameter of the gasket is 10mm, the inner diameter is 6mm, and the thickness is 3 mm.
Furthermore, the outer diameter of the O-shaped ring is 10mm, and the wire diameter is 2.4 mm.
Example two
The use method of the hydraulic instrument cable terminal waterproof device comprises the following steps:
the method comprises the following steps: the cable to be sealed is sequentially penetrated with a perforated bolt end, a gasket, an O-shaped rubber ring and a gasket.
Step two: and (3) penetrating the device finished in the first step into a nut with a cavity, clamping the end of the bolt with the hole and the nut with the cavity by two wrenches respectively, and applying reverse screwing acting force to screw the external thread section 1-2 of the end of the bolt with the hole into the nut 2 with the cavity of the end 1 of the bolt with the hole, so that good sealing is formed through an O-shaped rubber ring.
Step three: and (3) penetrating a thin iron wire or a rope into the through hole at the tail end of the nut with the cavity, binding a group of (a plurality of cable ends) together and fixing.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.
Claims (9)
1. The utility model provides a hydraulic apparatus cable end of a thread watertight fittings which characterized in that: comprises a bolt end with a hole, a nut with a cavity, a washer and an O-shaped rubber ring;
the structure of the end of the bolt with the hole is as follows: a central through hole for penetrating a cable to be sealed is formed in the end head of the perforated bolt, the outer wall of the end head of the perforated bolt comprises an external thread section and a polygonal screwing section, the end head of the perforated bolt can be in threaded connection with the nut with the cavity through the external thread section, and a wrench can be used for applying screwing acting force to the end head of the perforated bolt through the polygonal screwing section;
the structure of the nut with the cavity is as follows: the nut with the cavity is provided with an inner cavity, and the inner diameter of the inner cavity is larger than the diameter of the cable to be sealed, so that the cable to be sealed can be accommodated in the inner cavity; one end of the inner cavity is open, the other end is closed, and the inner wall of the open end of the inner cavity is provided with an internal thread which is matched with an external thread section at the end of the bolt with the hole; the tail end of the nut with the cavity is provided with a screwing action part, and the screwing action part is provided with a through hole for penetrating a steel wire or a rope;
the washer and the O-shaped rubber ring are arranged at the threaded connection part between the end of the bolt with the hole and the nut with the cavity.
2. The hydraulic instrument cable head waterproof device of claim 1, wherein: the quantity of packing ring is 3, and the quantity of O type rubber ring is two, and every O type rubber ring is pressed from both sides tightly by two packing rings.
3. The hydraulic instrument cable head waterproof device of claim 1, wherein: the polygonal screwing section of the end of the bolt with the hole is of a hexagonal structure.
4. The hydraulic instrument cable head waterproof device of claim 1, wherein: the length of the external thread section of the end of the bolt with the hole is 8-15mm, and the diameter of the external thread is 10 mm.
5. The hydraulic instrument cable head waterproof device of claim 1, wherein: the diameter of the central through hole at the end of the bolt with the hole is 6 mm.
6. The hydraulic instrument cable head waterproof device of claim 1, wherein: the length of the nut with the cavity is 8-10cm, the outer diameter is 12mm, the length of the cavity is 50mm, the diameter of the cavity is 8mm, the length of the internal thread is 15-20mm, and the diameter of the internal thread is 10 mm.
7. The hydraulic instrument cable head waterproof device of claim 1, wherein: the screwing action part at the tail end of the nut with the cavity adopts a straight-line structure.
8. The hydraulic instrument cable head waterproof device of claim 1, wherein: the outer diameter of the gasket is 10mm, the inner diameter is 6mm, and the thickness is 3 mm.
9. The hydraulic instrument cable head waterproof device of claim 1, wherein: the outer diameter of the O-shaped ring is 10mm, and the wire diameter is 2.4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921623657.8U CN210669486U (en) | 2019-09-26 | 2019-09-26 | Hydraulic instrument cable end waterproof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921623657.8U CN210669486U (en) | 2019-09-26 | 2019-09-26 | Hydraulic instrument cable end waterproof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210669486U true CN210669486U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921623657.8U Active CN210669486U (en) | 2019-09-26 | 2019-09-26 | Hydraulic instrument cable end waterproof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210669486U (en) |
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2019
- 2019-09-26 CN CN201921623657.8U patent/CN210669486U/en active Active
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