CN221401217U

CN221401217U - Clamp type section connection structure and underwater vehicle

Info

Publication number: CN221401217U
Application number: CN202323104520.0U
Authority: CN
Inventors: 鞠京龙; 刘帅; 杨翔
Original assignee: Shanghai Shipbuilding Electronic Equipment Research Institute 726 Research Institute Of China Shipbuilding Corp
Current assignee: Shanghai Shipbuilding Electronic Equipment Research Institute 726 Research Institute Of China Shipbuilding Corp
Priority date: 2023-11-16
Filing date: 2023-11-16
Publication date: 2024-07-23
Anticipated expiration: 2033-11-16

Abstract

The utility model provides a clamp type segment connecting structure and an underwater vehicle, which comprises a male port (1), a female port (2), a hoop (3) and a hoop screw (7); a first groove (12) is arranged on the male port (1); the female port (2) is provided with a second groove 22; wedges (34) are designed on two sides of the hoop (3); a first notch (33) and a second notch (35) are also arranged; the hoop (3) is of an open annular structure; breaking off from the first notch (33) and sleeving the first notch into the male port (1) or the female port (2); the left wedge (34) and the right wedge (34) on the hoop (3) are respectively embedded into the first groove (12) of the male port (1) and the second groove (22) of the female port (2), and after the hoop screw (7) is tightened, the inclined planes of the left wedge and the right wedge (34) extrude the inclined planes of the two grooves to provide axial force, so that the connection of the two cabin sections is realized.

Description

Clamp type section connection structure and underwater vehicle

Technical Field

The utility model belongs to the field of connection structures of underwater vehicles, and particularly relates to a clamp type section connection structure and an underwater vehicle.

Background

Currently, underwater vehicles generally require segmentation, and the connection structure between the segments is indispensable. The common connection modes between cabin sections are wedge ring type and clamp type. The wedge ring connection can be referred to in the existing standard document, and the connection mode is widely applied to large-medium caliber underwater vehicles. The clamp connection has the characteristics of convenient operation, simple structure and lower cost, and the connection mode is widely used on large-caliber underwater vehicles. At present, the middle-caliber underwater vehicle is connected by a wedge ring, and the clamp connection is less. The wedge ring connecting structure is slightly complex, the disassembly and the assembly are not convenient, and after the clamp used for the large-caliber underwater vehicle is scaled down, the clamp cannot be directly applied to the medium-caliber underwater vehicle due to the problems of matching of strength and rigidity and the like. The clamp and the connecting structure thereof are specially designed, so that the problem of cabin section connection of the medium-caliber underwater vehicle is solved.

Disclosure of utility model

In view of the defects in the prior art, the utility model aims to provide a clamp type segment connecting structure and an underwater vehicle.

The clamp type segment connecting structure comprises a male port, a female port, a hoop and a fastener;

the male port is provided with a first groove; the female port is provided with a second groove;

Wedges are designed on the left side and the right side of the hoop;

the hoop is of an open annular structure;

The opening is a first notch;

breaking off the first notch and sleeving the first notch into the male port or the female port;

The fastener is arranged at the first notch of the hoop;

the left wedge and the right wedge on the hoop are respectively embedded into the first groove of the male port and the second groove of the female port, and after the hoop is tightened by the fastening piece, the inclined planes of the left wedge and the right wedge extrude the inclined planes of the two grooves.

Preferably, after the hoop screw is screwed down, the hoop is pulled along the circumference, and then the inclined planes of the left wedge and the right wedge are extruded and stressed with the inclined planes of the male port and the female port grooves, but not the left surface and the right surface of the first notch are contacted and stressed.

Preferably, the wedge is a plurality of, and a plurality of wedges are arranged along the circumference of the hoop, and a second gap is arranged between every two adjacent wedges.

Preferably, the male port is further provided with a first pin hole;

the female port is also provided with a second pin hole and a second end face;

When the two sections are combined, the exposed part of the first pin hole is inserted into the second pin hole of the second end face on the female port, so that the male port and the female port are positioned.

The hoop is also provided with an installation table;

The fastener comprises a hoop screw; counter bores are formed in two sides of the mounting table, screw holes are formed in two sides of the mounting table, and a first screw hole and a second screw hole are formed in the screw holes respectively; the hoop screw firstly passes through the counter bore, enters the first threaded hole and then enters the second threaded hole.

Preferably, the method further comprises: a positioning pin;

The locating pin is installed on the first pinhole of the first terminal surface on public mouthful, with first pinhole interference fit, and the locating pin passes first pinhole and second pinhole in proper order.

Preferably, the sealing ring is sleeved on the outer cylindrical surface of the first step.

Preferably, the male port further comprises a first end face, a first small platform and a first step;

the female port is also provided with a second small platform and a second step;

after the sections are combined, the sealing ring is embedded into a square groove formed by the first end face of the male port, the outer cylindrical face of the male port step, the second end face of the female port step and the inner cylindrical face of the female port second step, and the sealing ring is extruded to realize sealing.

Preferably, the device further comprises a spring pad, a conformal piece and a conformal piece screw;

The elastic pad is sleeved on the hoop screw, and the hoop screw is arranged in the screw hole of the hoop and is tightened at the same time; and (3) installing a conformal piece at the counter bore of the wedge ring and screwing the conformal piece by using a conformal piece screw, wherein the conformal piece is positioned at the top of the hoop screw.

According to the underwater vehicle provided by the utility model, the clamp type segment connecting structure is adopted.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a clamp type segment connecting structure, which adopts the technical means that the left wedge and the right wedge on a hoop are respectively embedded into a first groove of a male port and a second groove of a female port, and after a fastener is tightened, the inclined surfaces of the left wedge and the right wedge squeeze the inclined surfaces of the two grooves, so that the segment connection of a cylindrical cabin segment of a middle-caliber underwater vehicle is realized, and the clamp type segment connecting structure has the characteristics of convenience in disassembly and assembly and lower cost.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of the main components of a segment connection structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the male port 1 of the present utility model;

FIG. 3 is a schematic diagram of the structure of the female port 2;

FIG. 4 is a schematic view of the structure of the hoop 3 of the present utility model;

fig. 5 is a schematic view of the connection section and seal of the present utility model.

Shown in the figure

Detailed Description

The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.

The utility model provides a clamp type segment connecting structure, and a specific scheme is shown in figure 1. The utility model provides a clamp formula section connection structure, this structure mainly comprises public mouthful 1, female mouthful 2, hoop 3, sealing washer 4, locating pin 5, bullet pad 6, hoop screw 7, conformal piece 8, conformal piece screw 9.

As shown in fig. 2, the male port 1 is provided with a first small platform 11, a first groove 12, a first step 13, a first pin hole 14 and a first end surface 15;

As shown in fig. 3, a second small platform 21, a second groove 22, a second step 23, a second pin hole 24 and a second end surface 25 are arranged on the female port 2.

As shown in fig. 4, the hoop 3 is provided with screw holes 31, a mount 32, a wedge 34, a first notch 33, and a second notch 35. The hoop 3 is of an open annular structure, and the material strength of the hoop 3 is greater than that of the male port 1 and the female port 2. Screw holes 31 and counter bores are respectively arranged on two sides of an installation table 32 on the hoop 3, and the two hoop screws 7 are connected through the left hoop screw and the right hoop screw, so that the elastic cushion 6 is required to be matched for locking during installation. The counterbore is provided with a conforming member 8 for conforming. The hoop 3 is provided with a first notch 33 with the width of 2mm, so that after the hoop screw 7 is screwed down, the hoop is stressed along the circumference, and the inclined surfaces of the wedge 34 are extruded and stressed with the inclined surfaces of the grooves of the male port 1 and the female port 2, rather than being stressed at the position of the first notch 33 in a contact manner on the left side and the right side. The hoop 3 is provided with 5 second notches 2 for reducing the rigidity thereof, so that when the hoop is installed, the hoop 3 can be broken away from the first notch 33, so that the enveloping circle in the hoop 3 is large enough to be sleeved into the male port 1 or the female port 2. The second notch 35 is arranged to avoid water accumulation in the hoop 3. The hoop is of an integral structure, and the structure is simple; the joint is provided with only two screws, so that the disassembly and the assembly are convenient; the occupied axial length is shorter than that of wedge ring connection; the cost is lower.

The first small platform 11 and the second small platform 21 are used for avoiding the mounting platform of the hoop 3; the first registration pin hole 14 and the second registration pin hole 24 are both used for registration. The locating pin 5 is mounted on a first pin hole 14 of a first end face 15 on the male port 1 and is in interference fit with the first pin hole 14.

When the two parts are combined, the exposed part of the first pin hole 14 is inserted into the second pin hole 24 of the second end surface 25 on the female port 2, so that the male port 1 and the female port 2 are positioned. The male port 1 is provided with a first step 13, and the sealing ring 4 is sleeved on the outer cylindrical surface of the first step 13.

As shown in fig. 5, after the segments are closed, the sealing ring 4 is embedded into a square groove formed by the first end surface 15 on the male port 1, the outer cylindrical surface of the step of the male port 1, the second end surface 25 of the step of the female port 2 and the inner cylindrical surface of the second step 23 of the female port 2, and the sealing ring 4 is extruded to realize sealing. The male port 1 and the female port 2 are respectively provided with a first groove 12 and a second groove 22, and wedges 34 are designed on two sides of the hoop 3. After the sections are closed, the left wedge 34 and the right wedge 34 on the hoop 3 are respectively embedded into the grooves of the male port 1 and the female port 2, and after the hoop screw 7 is tightened, the inclined surfaces of the left wedge 34 and the right wedge squeeze the inclined surfaces of the two grooves to provide axial force, so that the connection of the two cabin sections is realized.

Principle of operation

And (3) closing: the male port 1 is provided with a pin, and the sealing ring 4 is sleeved on the first step 13 of the male port 1; the hoop 3 is broken from the first notch 33 and sleeved on the outer circumference of the cabin section of the male port 1 or the female port 2; bringing together the male port 1 and the female port 2, during which they are positioned by means of pins; the left wedge 34 and the right wedge 34 of the hoop 3 are embedded into the grooves of the male port 1 and the female port 2; sleeving elastic pads 8 on the two hoop screws 7, and loading the hoop screws 7 into screw holes of the hoops 3 and simultaneously tightening; the wedge ring 3 is fitted with a conformal 8 in the counterbore and tightened with a conformal screw 9, so that the segment connection of the two segments is achieved.

And (3) segment disassembly: removing the two conformal member screws 9 and removing the two conformal members 8; the two hoop screws 7 and the spring pad 6 are disassembled; the hoop 3 is broken off from the notch 1, and the first notch 33 can be pried down by a straight-head screw cutter if necessary; the hoop 3 is sleeved on the outer circumference of the cabin section of the male port 1 or the female port 2; the two compartments with the male port 1 and the female port 2 are separated.

In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the utility model and the features of the embodiments may be combined with each other arbitrarily without conflict.

Claims

1. The clamp type section connecting structure is characterized by comprising a male port (1), a female port (2), a hoop (3) and a fastener;

a first groove (12) is formed in the male port (1); a second groove (22) is formed in the female port (2);

Wedges (34) are designed on the left side and the right side of the hoop (3);

The hoop (3) is of an open annular structure;

the opening is a first notch (33);

The first notch (33) is separated from the first notch and sleeved into the male port (1) or the female port (2);

The fastener is arranged at a first notch (33) of the hoop (3);

The left wedge (34) and the right wedge (34) on the hoop (3) are respectively embedded into the first groove (12) of the male port (1) and the second groove (22) of the female port (2), and after the hoop (3) is tightened by a fastener, the inclined planes of the left wedge and the right wedge (34) squeeze the inclined planes of the two grooves.

2. The clamp type segment connecting structure according to claim 1, further comprising a hoop screw (7), wherein after the hoop screw (7) is screwed, the hoop is pulled along the circumference, and further, the inclined planes of the left wedge (34) and the right wedge are pressed and stressed with the inclined planes of the grooves of the male port (1) and the female port (2), and are not contacted and stressed on the left surface and the right surface of the first notch (33).

3. The clip-type segment connection structure according to claim 1, wherein the plurality of wedges (34) are provided in a circumferential direction of the hoop (3), and a second gap (35) is provided between adjacent wedges (34).

4. The clamp type segment connecting structure according to claim 1, wherein the male port (1) is further provided with a first pin hole (14);

A second pin hole (24) and a second end face (25) are also arranged on the female port (2);

When the two-way joint is closed, the exposed part of the first pin hole (14) is inserted into the second pin hole (24) of the second end surface (25) on the female port (2), so that the male port (1) and the female port (2) are positioned.

5. Clip-type segment connection according to claim 1, characterized in that the clip (3) is further provided with a mounting table (32);

The fastener comprises a hoop screw (7); counter bores are formed in two sides of the mounting table (32), screw holes (31) are formed in two sides of the mounting table (32), and the screw holes (31) are respectively provided with a first screw hole and a second screw hole; the hoop screw (7) firstly passes through the counter bore, enters the first threaded hole and then enters the second threaded hole.

6. The clip segment attachment structure of claim 4, further comprising: a positioning pin (5);

The locating pin (5) is arranged on a first pin hole (14) of a first end face (15) on the male port (1), is in interference fit with the first pin hole (14), and the locating pin (5) sequentially penetrates through the first pin hole (14) and the second pin hole (24).

7. The clamp type segment connecting structure according to claim 4, further comprising a sealing ring (4), wherein the sealing ring (4) is sleeved on the outer cylindrical surface of the first step (13).

8. The clamp type segment connecting structure according to claim 4, wherein the male port (1) further comprises a first end surface (15), a first small platform (11) and a first step (13);

A second small platform (21) and a second step (23) are also arranged on the female port (2);

After the sections are combined, the sealing ring (4) is embedded into a square groove formed by a first end face (15) on the male port (1), an outer cylindrical surface of a step of the male port (1), a second end face (25) of a step of the female port (2) and an inner cylindrical surface of a second step (23) of the female port (2), and the sealing ring (4) is extruded to realize sealing.

9. The clip-on segment connection according to claim 5, further comprising a spring pad (6), a conformal member (8), a conformal member screw (9);

The elastic pad (6) is sleeved on the hoop screw (7), and the hoop screw (7) is arranged in a screw hole (31) on the hoop (3) and is simultaneously tightened; and (3) installing a conformal piece (8) at the counter bore of the hoop (3) and screwing the conformal piece by using a conformal piece screw (9), wherein the conformal piece (8) is positioned at the top of the hoop screw (7).

10. An underwater vehicle employing the clip segment attachment structure of any one of claims 1 to 9.