CN214690110U - Small-size watertight pressure-resistant cabin in deep sea - Google Patents
Small-size watertight pressure-resistant cabin in deep sea Download PDFInfo
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- CN214690110U CN214690110U CN202023179257.8U CN202023179257U CN214690110U CN 214690110 U CN214690110 U CN 214690110U CN 202023179257 U CN202023179257 U CN 202023179257U CN 214690110 U CN214690110 U CN 214690110U
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Abstract
The utility model belongs to the technical field of deep sea equipment, concretely relates to withstand voltage cabin of small-size watertight in deep sea. The utility model comprises a handle, a pressure-resistant cabin, a connecting screw, a connecting flange, a sealing connector and a sealing plug; the at least two handles are fixedly connected to the upper surface of the pressure-resistant cabin body symmetrically through the connecting screw rods; the sealing connectors are at least provided with two groups of uniform sealing connectors which are fixedly connected to the upper surface of the pressure-resistant cabin body; the sealing plug is connected to the lower end face of the pressure-resistant cabin body in a sealing manner; and the connecting flange is sleeved on the outer side wall of the sealing plug. The utility model discloses a split type structure to adopt titanium alloy machining shaping, alleviateed self weight greatly, subtract heavy 1/3 than prior art. The utility model discloses all the design has location structure between the structure, has guaranteed the integral erection precision of product. The utility model discloses the structure is light and handy, convenient operation.
Description
Technical Field
The utility model belongs to the technical field of deep sea equipment, concretely relates to withstand voltage cabin of small-size watertight in deep sea.
Background
Watertight pressure resistant tanks are a common device on equipment in marine engineering, such as underwater vehicles. The pressure-resistant cabin can normally work in a high-pressure environment, and the main problems to be considered include the structural strength, the structural stability, the fatigue strength, the water tightness and the corrosion resistance of the cabin body in the high-pressure environment. The common pressure-resistant cabin comprises two types, one type comprises a columnar cylinder body and end sockets at two ends, and the other type comprises a columnar cylinder body with a welding end socket and an end socket. One end of the end socket is provided with an opening for connecting an electric appliance connector. The common sealing modes of the tank body and the end socket adopt end face sealing, radial sealing, conical surface and combined sealing. The end face of the end socket part adopting the two end socket sealing mode is stressed, so that the thickness of the general design under the deep sea condition is large, and the structural weight is obviously larger. The single-end-enclosure welding structure can cause structural deformation and local stress concentration after welding.
SUMMERY OF THE UTILITY MODEL
The utility model provides a withstand voltage cabin of small-size watertight in deep sea, aim at provide a seal structure on the withstand voltage cabin of non-welded watertight that has high positioning accuracy, and make its weight greatly reduced, and guarantee the whole installation accuracy of product.
In order to realize the purpose, the utility model discloses a technical scheme is:
a deep sea small-sized watertight pressure-resistant cabin comprises a handle, a pressure-resistant cabin body, a connecting screw rod, a connecting flange, a sealing connector and a sealing plug; the handles are at least two and are respectively and fixedly connected to the upper surface of the pressure-resistant cabin body symmetrically through connecting screws; the sealing connectors are at least provided with two groups of sealing connectors which are uniformly and fixedly connected to the upper surface of the pressure-resistant cabin body; the sealing plug is connected to the lower end face of the pressure-resistant cabin body in a sealing manner; and the connecting flange is sleeved on the outer side wall of the sealing plug.
The pressure-resistant cabin body is of a cup-shaped integrated structure, and the axial section of the pressure-resistant cabin body is inverted U-shaped.
The top surface of the pressure-resistant cabin body is 12mm in thickness, the wall thickness is 7mm, and the outer diameter is phi 173.2; the transition region of the top surface and the side wall adopts a transition mode of firstly arc, then dip angle and then arc; a first screw blind hole connected with the sealing plug is formed in the lower end face, and a first pin hole used for connecting and positioning the sealing plug is formed in the side wall of the lower end of the pressure-resistant cabin body; four first threaded blind holes used for connecting the connecting screw rods are uniformly distributed on the top surface of the pressure-resistant cabin body, and a sunk platform threaded through hole used for connecting the sealing connector is arranged.
The sealing plug is an integrated mechanism consisting of a circular plate and an annular bulge on the surface of the circular plate, the outer diameter of the circular plate is larger than that of the annular bulge, and the circle centers of the circular plate and the annular bulge are collinear; the outer side wall of the annular bulge is circumferentially provided with an annular groove, and a sealing ring and a check ring are arranged in the groove; the bottom surface of the circular plate is symmetrically provided with two second pin holes for positioning and mounting the connecting flange and six second screw blind holes which are arranged in a circular array and are used for connecting with the connecting flange, the end surface of the annular bulge is provided with a square groove reference surface for positioning and mounting a product, and four corners of the square groove are provided with four second threaded blind holes; six first screw through holes connected with the pressure-resistant cabin body are formed in the outer edge of the surface of the circular plate.
The check ring adopts an STU check ring; the sealing ring adopts an O-shaped sealing ring.
The total thickness of the sealing plug is 30mm, and the outer diameter of the circular plate is phi 173 mm.
The connecting flange is an integrated structure formed by vertically arranging two circular rings with the same outer diameter and different inner diameters; the outer edge of the circular ring with the large inner diameter is symmetrically provided with four second screw through holes, and the inner side wall of the circular ring is uniformly provided with six semicircular grooves for abdicating; six countersunk through holes for connecting the sealing plugs and a third pin hole positioned and installed with the sealing plugs are symmetrically arranged on the inner edge of the circular ring with the small inner diameter; the side wall of the connecting flange is provided with a vertical reference leaning surface for positioning.
The connecting screw rod is a cylindrical body, a threaded hole connected with the handle is formed in the upper end face of the connecting screw rod, and threads connected with the pressure-resistant cabin body are arranged on the side wall of the lower end of the connecting screw rod.
The handle be the arc, the handle both ends are provided with the counter sink that is used for being connected with connecting screw.
Has the advantages that:
(1) the utility model discloses a split type structure to adopt titanium alloy machining shaping, alleviateed self weight greatly, subtract heavy 1/3 than prior art.
(2) The utility model discloses all the design has location structure between the structure, has guaranteed the integral erection precision of product.
(3) The utility model discloses the structure is light and handy, convenient operation.
The above description is only an overview of the technical solution of the present invention, and in order to clearly understand the technical means of the present invention and to implement the technical solution according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the pressure-resistant cabin of the present invention;
FIG. 3 is a schematic view of the sealing plug structure of the present invention;
FIG. 4 is a schematic structural view of the connecting flange of the present invention;
FIG. 5 is a schematic view of the structure of the connecting screw rod of the present invention;
fig. 6 is a schematic view of the structure of the handle of the present invention.
In the figure:
1-a handle; 2-connecting a screw rod; 3-a pressure-resistant cabin body; 4-a connecting flange; 5-connector MCIL 16M; 6-connector MCBH 16F; 7-connector MCBH 8F; 8-connector MCIL 8M; 9-sealing the plug; 10-sinking a platform thread through hole; 11-a sealing ring; 12-a retainer ring; 13-a first threaded blind hole; 14-a first pin hole; 15-first screw blind hole; 16-second screw blind hole; 17-a second pin hole; 18-groove datum plane; 19-a second threaded blind hole; 20-a first screw through hole; 21-a second screw through hole; 22-countersunk through holes; 23-a third pin hole; 24-a vertical reference rest plane; 25-a screw; 26-a spring pad; 27-a pin; 28-semi-circular groove.
The above description is only an overview of the technical solution of the present invention, and in order to clearly understand the technical means of the present invention and to implement the technical solution according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-6, the deep sea small watertight pressure-resistant cabin comprises a handle 1, a pressure-resistant cabin body 3, a connecting screw rod 2, a connecting flange 4, a sealing connector and a sealing plug 9; the handles 1 are at least two and are respectively and fixedly connected to the upper surface of the pressure-resistant cabin body 3 through connecting screw rods 2; the sealing connectors are at least provided with two groups of sealing connectors which are uniformly and fixedly connected to the upper surface of the pressure-resistant cabin body 3; the sealing plug 9 is connected to the lower end face of the pressure-resistant cabin 3 in a sealing manner; the connecting flange 4 is sleeved on the outer side wall of the sealing plug 9.
Before launching test, firstly connecting the connecting screw rod 2 to the upper surface of the pressure-resistant cabin 3, fixing the handle 1 to the connecting screw rod 2 through the screw 25 and the elastic pad 26, inserting the sealing connector, then crimping the pin 27 to the corresponding position on the sealing plug 9, connecting the inertial navigation product for test to the sealing plug 9 through four screws, connecting the sealing plug 9 assembled with inertial navigation to the pressure-resistant cabin 3 through the screw 25 and the elastic pad 26, and then connecting the connecting flange 4 to the pressure-resistant cabin 3 assembled with the sealing plug 9 through four screws 25. And finally, connecting the assembled deep sea small watertight pressure-resistant cabin to an open underwater vehicle through a connecting flange 4 to perform underwater test.
The utility model relates to a pressure is 30Mpa, internal diameter phi 155 in cabin, inside effective length 190mm, and the life-span is more than or equal to 2 years, and assembly precision is more than or equal to 0.1mm, and the operating time of once launching is more than or equal to 8 h.
The sealed connectors in this embodiment use connector MCIL16M 5, connector MCBH16F6, connector MCBH8F 7, and connector MCIL8M 8. The connector MCBH16F6 and the connector MCBH8F 7 are fixedly connected to the pressure-resistant cabin body 3 through nuts, and then the connector MCIL16M 5 and the connector MCIL8M8 are respectively inserted into the connector MCBH16F6 and the connector MCBH8F 7, as shown in FIG. 1.
The utility model discloses a split type structure, the structure is light and handy, convenient operation.
Example two:
referring to fig. 1 and 2, in a first embodiment, the deep sea small watertight pressure-resistant cabin 3 is a cup-shaped integral structure and has an inverted U-shaped axial cross section.
Further, the top surface of the pressure-resistant cabin body 3 has a thickness of 12mm, a wall thickness of 7mm and an outer diameter of phi 173.2; the transition region of the top surface and the side wall adopts a transition mode of firstly arc, then dip angle and then arc; a first screw blind hole 15 connected with the sealing plug 9 is arranged on the lower end surface, and a first pin hole 14 used for connecting and positioning with the sealing plug 9 is formed in the side wall of the lower end of the pressure-resistant cabin body 3; four first threaded blind holes 13 for connecting the connecting screw rods 2 are uniformly distributed on the top surface of the pressure-resistant cabin body 3, and a sunken platform threaded through hole 10 for connecting a sealed connector is arranged.
In practical use, the wall thickness of the pressure-resistant cabin body 3 is 7mm, the end surface thickness is 12mm, and the thickness direction is reduced by 60% compared with that of a single seal head with a sealing structure of 30 mm. The pressure-resistant cabin body 3 is in the transition region of the side wall and the end face, the common transition mode is circular arc transition, a circular arc transition structure needs a larger circular arc diameter, a larger transition chamfer can lead to a large amount of space at the top end in the pressure-resistant cabin body 3 to be occupied, and the structure weight is obviously increased. The utility model discloses a withstand voltage cabin body 3 adopts the transition mode of oblique angle circular arc again behind earlier circular arc in lateral wall and terminal surface transition region, guarantees through angle of adjustment that the weight of structure is lightest when intensity satisfies the designing requirement.
In specific application, the mark for marking the bow can be arranged on the front surface of the inverted U shape, so that the use is more convenient.
Example three:
referring to the deep sea small watertight pressure-resistant cabin shown in fig. 1 and 3, on the basis of the first embodiment, the sealing plug 9 is an integrated mechanism formed by a circular plate and an annular protrusion on the surface of the circular plate, the outer diameter of the circular plate is larger than that of the annular protrusion, and the circle centers of the circular plate and the annular protrusion are collinear; the outer side wall of the annular bulge is circumferentially provided with an annular groove, and a sealing ring 11 and a retainer ring 12 are arranged in the groove; the bottom surface of the circular plate is symmetrically provided with two second pin holes 17 for positioning and mounting the connecting flange 4 and six second screw blind holes 16 in a circular array for connecting with the connecting flange 4, the end surface of the annular bulge is provided with a square groove reference surface 18 for positioning and mounting a product, and four corners of the square groove are provided with four second threaded blind holes 19; six first screw through holes 20 connected with the pressure-resistant cabin 3 are arranged on the outer edge of the circular plate surface.
Furthermore, the check ring 12 is an STU check ring; the sealing ring 11 is an O-shaped sealing ring.
Further, the sealing plug 9 has a total thickness of 30mm, and the outer diameter of the circular plate is phi 173 mm.
In actual use, after the pin 27 is pressed against the corresponding position of the sealing plug 9, the STU stopper 12 is fitted into the groove of the sealing plug 9, and the O-ring 11 is applied with an appropriate amount of grease and fitted into the groove of the sealing plug 9. After the inertial navigation of the product is connected to the sealing plug 9 through the screws, the sealing plug 9 with the assembled pin 27, the O-ring 11, the STU ring 12 and the inertial navigation (product) is connected to the pressure-resistant cabin 3 through the screws 25 and the elastic pad 26. The connecting flange 4 is then screwed by means of countersunk screws to the pressure-resistant chamber 3 to which the sealing plug 9 is completely fitted. And finally, connecting the assembled deep sea small watertight pressure-resistant cabin to an open underwater vehicle through a connecting flange 4 to perform underwater test.
The transition mode of firstly arc-shaped, then inclination angle and then arc-shaped is adopted in the transition area between the top surface and the side wall of the pressure-resistant cabin body 3, and the structure is lightest while the strength meets the design requirement by adjusting a proper angle.
The technical scheme of the utility model, through location structure guaranteed the integral erection precision of product. The arrangement of the O-shaped sealing ring 11 and the STU check ring 12 enables the sealing effect to be better.
Example four:
referring to the small deep sea watertight pressure-resistant cabin shown in fig. 1 and 4, on the basis of the first embodiment, the connecting flange 4 is an integrated structure formed by vertically arranging two circular rings with the same outer diameter and different inner diameters; the outer edge of the circular ring with the large inner diameter is symmetrically provided with four second screw through holes 21, and the inner side wall of the circular ring is uniformly provided with six semicircular grooves 28 for abdicating; six countersunk through holes 22 for connecting the sealing plug 9 and a third pin hole 23 positioned and installed with the sealing plug 9 are symmetrically arranged on the inner edge of the circular ring with the small inner diameter; the side wall of the attachment flange 4 is provided with a vertical reference abutment 24 for positioning.
In practical use, the connecting flange 4 is arranged, so that the deep sea small watertight pressure-resistant cabin is conveniently connected with an open underwater vehicle for underwater test.
The arrangement of the vertical reference leaning surface 24 effectively improves the overall installation precision.
Example five:
referring to fig. 1 and 5, in the first embodiment, the connecting screw 2 is a cylindrical body, the upper end surface of the connecting screw 2 is provided with a threaded hole connected with the handle 1, and the side wall of the lower end of the connecting screw 2 is provided with a thread connected with the pressure-resistant cabin 3.
In actual use, the connecting screw rod 2 adopts the technical scheme, and the handle 1 can be conveniently connected to the pressure-resistant cabin body 3.
Example six:
referring to the small-sized watertight pressure-resistant cabin in deep sea shown in fig. 1-6, on the basis of the first embodiment: the pressure-resistant cabin body 3, the sealing plug 9, the connecting flange 4 and the connecting screw rod 2 are all integrally formed by processing titanium alloy.
In practical use, the pressure-resistant cabin body 3, the sealing plug 9, the connecting flange 4 and the connecting screw rod 2 adopt the technical scheme, so that the self weight is greatly reduced, and the weight is reduced by about 1/3 compared with the prior art.
Example seven:
referring to the small-sized watertight pressure-resistant cabin in deep sea shown in fig. 1 and 6, on the basis of the first embodiment: the handle 1 be the arc, handle 1 both ends are provided with the counter sink that is used for being connected with connecting screw 2.
In actual use, the handle 1 is placed in the countersunk hole of the handle 1 and the elastic pad 26 is fixed to the connecting screw rod 2 through the screw 25 and the elastic pad 26 and finally fixed on the upper surface of the pressure-resistant cabin 3.
The handle 1 plays two roles, namely being convenient for dragging the deep-sea small-sized watertight pressure-resistant cabin and playing a role in protecting the sealed connector to a certain extent.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a withstand voltage cabin of small-size watertight in deep sea which characterized in that: comprises a handle (1), a pressure-resistant cabin body (3), a connecting screw rod (2), a connecting flange (4), a sealing connector and a sealing plug (9); the handles (1) are at least two and are respectively and fixedly connected to the upper surface of the pressure-resistant cabin body (3) through connecting screw rods (2) symmetrically; the sealing connectors are at least provided with two groups of sealing connectors which are uniformly and fixedly connected to the upper surface of the pressure-resistant cabin body (3); the sealing plug (9) is connected to the lower end face of the pressure-resistant cabin body (3) in a sealing manner; the connecting flange (4) is sleeved on the outer side wall of the sealing plug (9).
2. The deep sea small watertight pressure resistant cabin according to claim 1, characterized in that: the pressure-resistant cabin body (3) is of a cup-shaped integrated structure, and the axial section of the pressure-resistant cabin body is inverted U-shaped.
3. The deep sea small watertight pressure-resistant cabin according to claim 2, characterized in that: the top surface of the pressure-resistant cabin body (3) is 12mm in thickness, the wall thickness is 7mm, and the outer diameter is phi 173.2; the transition region of the top surface and the side wall adopts a transition mode of firstly arc, then dip angle and then arc; a first screw blind hole (15) connected with the sealing plug (9) is formed in the lower end face, and a first pin hole (14) used for connecting and positioning the sealing plug (9) is formed in the side wall of the lower end of the pressure-resistant cabin body (3); four first threaded blind holes (13) used for connecting the connecting screw rods (2) are uniformly distributed on the top surface of the pressure-resistant cabin body (3), and a sunken platform threaded through hole (10) used for connecting a sealed connector is arranged.
4. The deep sea small watertight pressure resistant cabin according to claim 1, characterized in that: the sealing plug (9) is an integrated mechanism consisting of a circular plate and an annular bulge on the surface of the circular plate, the outer diameter of the circular plate is larger than that of the annular bulge, and the circle centers of the circular plate and the annular bulge are collinear; the outer side wall of the annular bulge is circumferentially provided with an annular groove, and a sealing ring (11) and a retainer ring (12) are arranged in the groove; two second pin holes (17) used for positioning and mounting the connecting flange (4) are symmetrically arranged on the bottom surface of the circular plate, six second screw blind holes (16) used for connecting the connecting flange (4) are arranged in a circular array, a square groove reference surface (18) used for mounting a product and positioning is arranged on the end surface of the annular bulge and is perpendicular to the end surface, and four second threaded blind holes (19) are arranged at four corners of the square groove; six first screw through holes (20) connected with the pressure-resistant cabin body (3) are arranged on the outer edge of the circular plate surface.
5. The deep sea small watertight pressure resistant tank according to claim 4, wherein: the check ring (12) adopts an STU check ring; the sealing ring (11) adopts an O-shaped sealing ring.
6. The deep sea small watertight pressure resistant tank according to claim 4, wherein: the total thickness of the sealing plug (9) is 30mm, and the outer diameter of the circular plate is phi 173 mm.
7. The deep sea small watertight pressure resistant cabin according to claim 1, characterized in that: the connecting flange (4) is an integrated structure formed by vertically arranging two circular rings with the same outer diameter and different inner diameters; the outer edge of the circular ring with the large inner diameter is symmetrically provided with four second screw through holes (21), and the inner side wall of the circular ring is uniformly provided with six semicircular grooves (28) for abdicating; six countersunk through holes (22) for connecting the sealing plug (9) and a third pin hole (23) positioned and installed with the sealing plug (9) are symmetrically formed in the inner edge of the circular ring with the small inner diameter; the side wall of the connecting flange (4) is provided with a vertical reference leaning surface (24) for positioning.
8. The deep sea small watertight pressure resistant cabin according to claim 1, characterized in that: the connecting screw rod (2) is a cylindrical body, a threaded hole connected with the handle (1) is formed in the upper end face of the connecting screw rod (2), and threads connected with the pressure-resistant cabin body (3) are arranged on the side wall of the lower end of the connecting screw rod (2).
9. The deep sea small watertight pressure resistant cabin according to claim 1, characterized in that: the handle (1) is arc-shaped, and countersunk holes used for being connected with the connecting screw rods (2) are formed in the two ends of the handle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023179257.8U CN214690110U (en) | 2020-12-25 | 2020-12-25 | Small-size watertight pressure-resistant cabin in deep sea |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023179257.8U CN214690110U (en) | 2020-12-25 | 2020-12-25 | Small-size watertight pressure-resistant cabin in deep sea |
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| Publication Number | Publication Date |
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| CN214690110U true CN214690110U (en) | 2021-11-12 |
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| CN202023179257.8U Active CN214690110U (en) | 2020-12-25 | 2020-12-25 | Small-size watertight pressure-resistant cabin in deep sea |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112550647A (en) * | 2020-12-25 | 2021-03-26 | 中船重工西安东仪科工集团有限公司 | Deep sea watertight pressure-resistant cabin |
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2020
- 2020-12-25 CN CN202023179257.8U patent/CN214690110U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112550647A (en) * | 2020-12-25 | 2021-03-26 | 中船重工西安东仪科工集团有限公司 | Deep sea watertight pressure-resistant cabin |
| CN112550647B (en) * | 2020-12-25 | 2024-06-04 | 中船重工西安东仪科工集团有限公司 | Deep sea watertight pressure-resistant cabin |
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