CN214093448U

CN214093448U - Flange joint and flange plate connecting sleeve

Info

Publication number: CN214093448U
Application number: CN202023242466.2U
Authority: CN
Inventors: 常锋
Original assignee: Wuxi City Shengfeng Forging Co ltd
Current assignee: Wuxi City Shengfeng Forging Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-31
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a flange joint and ring flange connect external member, including two disk bodies and two bodys and a plurality of connecting bolt, body and disk body fixed connection through connecting bolt fastening connection, one of them between two disk bodies disk body integrated into one piece has a plurality of butt joint gib, another set up the butt joint groove with butt joint gib looks adaptation in the disk body, along the fixed sealed pad that is provided with of week length direction in the butt joint gib, the sealed one side of filling up offsets with butt joint inslot wall, one of them sliding connection has right block board on the body, two draw-in grooves have been seted up in the right block board, fixedly connected with positioning spring in the draw-in groove, positioning spring's top fixedly connected with locating lever, another sliding connection has left block board on the body. The utility model relates to a flange joint technical field can prevent that the inside liquid of body from oozing from the disk body, avoids causing the pollution to the environment, is favorable to the environmental protection.

Description

Flange joint and flange plate connecting sleeve

Technical Field

The utility model relates to a flange connects technical field, especially relates to a flange connects and ring flange connection external member.

Background

The flange connection is that two pipelines, pipe fittings or equipment are respectively fixed on a flange plate, a flange pad is arranged between the two flange plates and fastened together by bolts, and the connection is completed.

At present, the use of flange joint mode is very general, but current flange joint and ring flange connection external member use the back for a long time, and its surface can produce the wearing and tearing loss of not equidimension to lead to the connection between two ring flanges inseparable, the phenomenon that intraductal liquid oozes appears easily, thereby has caused the pollution to the environment, is unfavorable for the environmental protection.

To this end, we propose a flange joint and a flange joint kit that solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art, and a flange joint and ring flange connection external member that provide.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a flange joint and flange plate connecting kit comprises two tray bodies, two pipe bodies and a plurality of connecting bolts, wherein the pipe bodies are fixedly connected with the tray bodies, the two tray bodies are tightly connected through the connecting bolts, one tray body is integrally formed with a plurality of butt joint ring strips, the other tray body is internally provided with a butt joint groove matched with the butt joint ring strips, a sealing gasket is fixedly arranged in the butt joint ring strips along the circumferential direction, one side of the sealing gasket is abutted against the inner wall of the butt joint groove, one pipe body is slidably connected with a right clamping plate, the right clamping plate is internally provided with two clamping grooves, the clamping grooves are internally and fixedly connected with positioning springs, the top parts of the positioning springs are fixedly connected with positioning rods, the other pipe body is slidably connected with a left clamping plate, the left clamping plate is internally provided with clamping ports matched with the positioning rods, and the right clamping plate is internally and fixedly connected with a plugging pad along the, one side of the plugging pad is tightly attached to the joint of the two disc bodies.

Preferably, all fixedly connected with connection pad in left block board and the right block board, run through in the connection pad and set up the connector with body looks adaptation.

Preferably, one side fixedly connected with guide block of locating lever, the guide way that has seted up with guide block looks adaptation in the right block board.

Preferably, the top of the positioning rod is fixedly connected with a pressing rod, and a pressing hole matched with the pressing rod is formed in the right clamping plate.

Preferably, a rotating groove is formed in the right clamping plate, a screw rod is rotatably connected in the rotating groove, a nut is connected to the screw rod in a threaded manner, a limiting rod is fixedly connected to the bottom of the nut, and a limiting hole matched with the limiting rod is formed in the pressing rod.

Preferably, a knob is fixedly connected to the screw rod, and a force application opening matched with the knob is formed in the right clamping plate.

Preferably, a cold reflecting layer and a heat insulating layer are arranged in the tube body, and the heat insulating layer is arranged inside the cold reflecting layer.

Compared with the prior art, the beneficial effects of the utility model are that: cover two disk bodies through the block between right block board and the left block board, recycle the shutoff pad and block up the external connection gap of two disk bodies, block up the internal connection gap of two disk bodies through sealed the pad at last, utilize right block board and left block board and shutoff pad and sealed these three-layer of sealing up, can prevent that the inside liquid of body from oozing from the disk body, avoid causing the pollution to the environment, be favorable to the environmental protection.

Drawings

Fig. 1 is a schematic structural view of a flange joint and a flange plate connection kit according to the present invention;

fig. 2 is a schematic structural view of a left engaging plate in a flange joint and a flange connecting kit according to the present invention;

fig. 3 is an enlarged view of a structure at a in fig. 1.

In the figure: 1. a tray body; 2. a pipe body; 3. a connecting bolt; 4. a gasket; 5. a heat-insulating layer; 6. a cold reflective layer; 7. a connecting pad; 8. a left engaging plate; 9. a right engaging plate; 10. positioning a rod; 11. a pressing lever; 12. a guide block; 13. a positioning spring; 14. a plugging pad; 15. a limiting rod; 16. a screw rod; 17. a knob; 18. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a flange joint and flange plate connecting kit comprises two tray bodies 1, two pipe bodies 2 and a plurality of connecting bolts 3, wherein the pipe bodies 2 are fixedly connected with the tray bodies 1, the two tray bodies 1 are fastened and connected with each other through the connecting bolts 3, one tray body 1 is integrally formed with a plurality of butt joint ring strips, the other tray body 1 is provided with a butt joint groove matched with the butt joint ring strips, a sealing gasket 4 is fixedly arranged in the butt joint ring strips along the circumferential direction, one side of the sealing gasket 4 is abutted against the inner wall of the butt joint groove, one pipe body 2 is slidably connected with a right clamping plate 9, the right clamping plate 9 is provided with two clamping grooves, a positioning spring 13 is fixedly connected in the clamping grooves, the top of the positioning spring 13 is fixedly connected with a positioning rod 10, the other pipe body 2 is slidably connected with a left clamping plate 8, the left clamping plate 8 is provided with a bayonet matched with the positioning rod 10, a plugging pad 14 is fixedly connected in the right clamping plate 9 along the circumferential direction, one side of the plugging pad 14 is tightly attached to the joint of the two disc bodies 1, when the device is installed, a connecting bolt 3 in the prior art is utilized to be screwed into the two disc bodies 1 to tightly connect the two disc bodies 1, in the process, a sealing gasket 4 is tightly attached to the inner wall of the butt joint groove to block the internal connecting gap of the two disc bodies 1, then a pressure is applied to a positioning rod 10 to move the positioning rod 10, a positioning spring 13 in a normal state is compressed, then the bayonet of the left clamping plate 8 is butted with the positioning rod 10 to slide into the bayonet, the force applied to the positioning rod 10 is cancelled, the positioning rod 10 is driven by the elasticity of the positioning spring 13 to be clamped into the bayonet of the left clamping plate 8, the two disc bodies 1 are covered by the clamping between the right clamping plate 9 and the left clamping plate 8, and then the external connecting gap of the two disc bodies 1 is blocked by the plugging pad 14, finally, the internal connecting gaps of the two disc bodies 1 are blocked by the sealing gaskets 4, and by utilizing the three layers of sealing, the liquid in the pipe body 2 can be prevented from seeping out of the disc bodies 1, so that the environmental pollution is avoided, and the environment is protected; common integral flanges include a flat welding flange and a butt welding flange; the rigidity of the flat welding flange is poor, and the flat welding flange is suitable for occasions with the pressure p less than or equal to 4 MPa; the welding neck flange is also called as a hubbed flange and comprises a flat welding part with a neck and a butt welding part with a neck. The rigidity is higher, and the device is suitable for occasions with higher pressure and temperature; the flange sealing surface has three types: the plane type sealing surface is suitable for occasions with low pressure and nontoxic media; the concave-convex sealing surface is suitable for occasions with slightly high pressure; the sealed face of tongue-and-groove is applicable to inflammable, explosive, toxic medium and the higher occasion of pressure, the utility model discloses a unsmooth sealed face indicates a plurality of butt joint girdles and butt joint groove promptly, makes it be applicable to most pressure occasion higher slightly.

Wherein, all fixedly connected with connection pad 7 in left clamping plate 8 and the right clamping plate 9, run through in the connection pad 7 and set up the connector with body 2 looks adaptation, can improve the connection stability between left clamping plate 8 and right clamping plate 9 and the body 2.

Wherein, one side of the positioning rod 10 is fixedly connected with a guide block 12, and a guide groove matched with the guide block 12 is arranged in the right clamping plate 9, so as to guide the movement of the positioning rod 10.

The top of the positioning rod 10 is fixedly connected with a pressing rod 11, and a pressing hole matched with the pressing rod 11 is formed in the right clamping plate 9, so that the positioning rod 10 can be conveniently controlled to move.

Wherein, the right clamping plate 9 is internally provided with a rotating groove, the rotating groove is rotationally connected with a screw rod 16, the screw rod 16 is in threaded connection with a nut 18, the bottom of the nut 18 is fixedly connected with a limiting rod 15, and the pressing rod 11 is internally provided with a limiting hole matched with the limiting rod 15, so that the limiting rod 15 can be clamped into the pressing rod 11, and the mistaken touch of personnel is avoided.

Wherein, the screw rod 16 is fixedly connected with a knob 17, and the right clamping plate 9 is internally provided with a force application opening matched with the knob 17, so as to apply force to the screw rod 16.

Wherein, be provided with cold reflection stratum 6 and heat preservation 5 in the body 2, heat preservation 5 is installed inside cold reflection stratum 6, utilizes cold reflection stratum 6 can go out the outside cold air reflection that gets into in cold reflection stratum 6 of body 2 to can play heat retaining effect to the liquid of body 2 inside with the cooperation of heat preservation 5.

The working principle is as follows: in the utility model, in the initial state, the spacing rod 15 and the pressing rod 11 are in the disconnection state, when in installation, the connecting bolt 3 in the prior art is utilized to screw into the two disk bodies 1 to fasten the two disk bodies 1, the sealing gasket 4 is tightly attached to the inner wall of the butt joint groove in the process, so that the internal connecting gap of the two disk bodies 1 is blocked, then the pressing rod 11 is applied with pressure to move the positioning rod 10, the positioning spring 13 under the normal state is compressed, then the bayonet of the left clamping plate 8 is butted with the positioning rod 10 to slide into the bayonet, the force applied to the pressing rod 11 is cancelled, the positioning rod 10 is driven by the elasticity of the positioning spring 13 to be blocked into the bayonet of the left clamping plate 8, at the moment, the blocking pad 14 blocks the external connecting gap of the two disk bodies 1, then the knob 17 is applied with force to rotate the screw rod 16 to move the nut 18, the nut 18 is driven to be blocked into the pressing rod 11 by the spacing rod 15 while moving, the personnel are prevented from touching by mistake, and at the moment, the three layers of plugging of the sealing gasket 4, the plugging pad 14, the left clamping plate 8 and the right clamping plate 9 are utilized to play a role of preventing leakage.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A flange joint and flange plate connecting external member comprises two disc bodies (1), two tube bodies (2) and a plurality of connecting bolts (3), wherein the tube bodies (2) are fixedly connected with the disc bodies (1), the two disc bodies (1) are fixedly connected with each other through the connecting bolts (3), the flange joint and flange plate connecting external member is characterized in that one disc body (1) is integrally formed with a plurality of butt joint ring strips, the other disc body (1) is internally provided with a butt joint groove matched with the butt joint ring strips, the butt joint ring strips are internally and fixedly provided with sealing gaskets (4) along the circumferential direction, one side of each sealing gasket (4) is abutted against the inner wall of the butt joint groove, one tube body (2) is slidably connected with a right clamping plate (9), the right clamping plate (9) is internally provided with two clamping grooves, the clamping grooves are internally and fixedly connected with positioning springs (13), and the tops of the positioning springs (13) are fixedly connected with positioning rods (10), another sliding connection has left block board (8) on body (2), set up the bayonet socket with locating lever (10) looks adaptation in the block board of a left side (8), along week length direction fixedly connected with shutoff pad (14) in block board (9) of the right side, one side of shutoff pad (14) is hugged closely with the junction of two disk bodies (1).

2. The flange joint and flange plate connecting kit according to claim 1, wherein the left engaging plate (8) and the right engaging plate (9) are both fixedly connected with a connecting pad (7), and a connecting port adapted to the pipe body (2) is formed through the connecting pad (7).

3. The flange joint and flange connection kit according to claim 1, wherein a guide block (12) is fixedly connected to one side of the positioning rod (10), and a guide groove adapted to the guide block (12) is formed in the right engaging plate (9).

4. The flange joint and flange connection kit according to claim 1, wherein a pressing rod (11) is fixedly connected to the top of the positioning rod (10), and a pressing hole matched with the pressing rod (11) is formed in the right engaging plate (9).

5. A flange joint and flange plate connecting kit according to claim 4, wherein a rotating groove is formed in the right engaging plate (9), a lead screw (16) is rotatably connected in the rotating groove, a nut (18) is connected to the lead screw (16) in a threaded manner, a limiting rod (15) is fixedly connected to the bottom of the nut (18), and a limiting hole matched with the limiting rod (15) is formed in the pressing rod (11).

6. The flange joint and flange connection kit according to claim 5, wherein a knob (17) is fixedly connected to the screw rod (16), and a force application opening matched with the knob (17) is formed in the right clamping plate (9).

7. A flange joint and flange connection kit according to claim 1, characterized in that a cold reflective layer (6) and an insulating layer (5) are provided in the pipe body (2), and the insulating layer (5) is installed inside the cold reflective layer (6).