CN215000054U

CN215000054U - Double-flange loose compensation joint

Info

Publication number: CN215000054U
Application number: CN202120937493.7U
Authority: CN
Inventors: 顾威
Original assignee: Wuxi Suyang Pipe Fittings Co ltd
Current assignee: Wuxi Suyang Pipe Fittings Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-03
Anticipated expiration: 2031-04-30

Abstract

The application relates to a double-flange loose sleeve compensation joint, which comprises a flange body, a short pipe flange and a force transmission screw rod, wherein one end of the short pipe flange is inserted into the flange body, the force transmission screw rod is screwed with a force transmission nut, a gland is arranged at the joint of the flange body and the short pipe flange, an elastic sealing strip is extruded between the gland and the flange body and the short pipe flange, a plurality of pairs of sliding grooves which are oppositely arranged are formed in the inner side wall of the flange body facing the short pipe flange, an inserting block is arranged in each sliding groove in a sliding manner, a reset pressure spring is extruded between each inserting block and the bottom of each sliding groove, a through groove penetrating through the outer side wall of the flange body is formed in the bottom of each sliding groove, a connecting rod penetrates through the through groove, one end of each connecting rod is fixedly connected to each inserting block, the other end of each connecting rod penetrates out of the through groove and is fixedly connected with a pulling plate, a clamping groove for the inserting block to slide is formed in the outer side wall of the short pipe flange, the clamping groove is a blind groove, the screens groove is seted up along the axis direction of stub pipe flange. The present application has the effect of reducing the likelihood of the joint falling off.

Description

Double-flange loose compensation joint

Technical Field

The application relates to the technical field of pipe connectors, in particular to a double-flange loose sleeve compensation connector.

Background

The double-flange loose-sleeve force transfer compensation joint consists of a flange loose-sleeve expansion joint, a short pipe flange, a force transfer screw rod and other components, can reduce the pressure thrust (blind plate force) of a connected piece and compensate the installation error of a pipeline, and is mainly used for loose-sleeve connection of accessories such as pumps, valves and the like.

Chinese patent with publication number CN211259993U discloses a double-flange loose-sleeve force-transfer compensation joint, which comprises a body flange, an end pipe flange and a force-transfer screw rod, wherein the end pipe flange is installed at the inner side of the body flange, the outer wall of the end pipe flange is closely attached to and in sliding contact with the inner wall of the body flange, an O-shaped sealing ring and a first sealing ring are arranged at the joint of the body flange and the end pipe flange, the inner diameters of the O-shaped sealing ring and the first sealing ring are tightly pressed on the outer circle of the end pipe flange, a gland is arranged on the end pipe flange, and the gland is tightly pressed on the first sealing ring; the body flange is fixedly connected with the gland of the end pipe flange through a force transmission screw rod, and a force transmission nut is sleeved on the force transmission screw rod.

In view of the above-mentioned related technologies, the inventor believes that, in the use process of the joint, once the force transmission nut and the force transmission screw for connection are loosened, the joint part falls off, and water leakage is caused.

SUMMERY OF THE UTILITY MODEL

To reduce the likelihood of the joint falling out, the present application provides a double flange loose compensation joint.

The application provides a two flange loose tube compensation connect adopts following technical scheme:

a double-flange loose sleeve compensation joint comprises a flange body, a short pipe flange and a force transmission screw rod, wherein one end of the short pipe flange is inserted into the flange body, the force transmission screw rod is screwed with a force transmission nut to enable the flange body and the short pipe flange to be stably connected, a gland is arranged at the joint of the flange body and the short pipe flange, an elastic sealing strip is extruded between the gland and the short pipe flange, a plurality of pairs of oppositely arranged sliding grooves are formed in the inner side wall of the flange body facing the short pipe flange, an inserting block is arranged in each sliding groove in a sliding mode, a reset pressure spring is extruded between each inserting block and the bottom of each sliding groove, a through groove penetrating through the outer side wall of the flange body is formed in the bottom of each sliding groove, a connecting rod penetrates through each through groove, one end of each connecting rod is fixedly connected to each inserting block, the other end of each connecting rod penetrates out of each through groove and is fixedly connected with a pull plate, a clamping groove for each inserting block to slide is formed in the outer side wall of the short pipe flange, the screens groove is seted up along the axis direction of stub pipe flange.

By adopting the technical scheme, during installation, a worker pulls the pulling plate, the pulling plate drives the connecting rod to move, the connecting rod drives the insertion block to be accommodated in the sliding groove, at the moment, the reset pressure spring is compressed, the worker inserts one end of the short pipe flange into the flange body, and loosens the pulling plate, so that the insertion block is inserted into the clamping groove under the action of the elastic force of the reset pressure spring, the worker adjusts the relative position of the short pipe flange and the flange body according to requirements, and after the adjustment is finished, the installation can be finished by screwing the force transmission nut; in the use, when biography power nut and biography power screw rod accident are not hard up, the flange body keeps away from each other with the stub pipe flange, and at this moment, the grafting piece slides along the screens groove and finally is blocked the screens groove chucking to the possibility that flange body and stub pipe flange break away from each other has been reduced. Through setting up mutually supporting and grafting piece and screens groove, when passing power nut and passing unexpected not hard up of power screw rod, the grafting piece is spacing by the screens groove, has reduced the possibility that connects and drop.

Optionally, the elastic sealing strip is the annular setting, and the both ends of elastic sealing strip are laminated each other, and the elastic sealing strip can be dismantled and connect in the gland.

Through adopting above-mentioned technical scheme, elastic sealing strip is after long-time the use, has the possibility of wearing and tearing, through can dismantle elastic sealing strip and connect in the gland, when the staff took out the gland, elastic sealing strip had been taken out to the gland, has made things convenient for the staff to change elastic sealing strip.

Optionally, a magic tape is connected between the pressing cover and the elastic sealing strip, the back of the suede of the magic tape is fixedly connected to the pressing cover, the back of the hook face of the magic tape is fixedly connected to the elastic sealing strip, and the hook face and the suede of the magic tape are mutually bonded.

Through adopting above-mentioned technical scheme, after the staff took off the gland, can change convenient operation with the hook face and the matte split of magic subsides to the elastic sealing strip.

Optionally, a protection sleeve ring for protecting the pulling plate is fixedly connected to the flange body, the pulling plate is located in an area surrounded by the protection sleeve ring, and a protective cover for shielding an opening of the protection sleeve ring is connected to the protection sleeve ring through threads.

Through adopting above-mentioned technical scheme, visor and protective sheath ring play the guard action to the arm-tie, have reduced the possibility that the arm-tie is by the maloperation.

Optionally, the flange body is fixedly connected with a sealing ring which is arranged in an annular shape, the sealing ring is extruded between the flange body and the short pipe flange, and the sliding groove is located between the elastic sealing strip and the sealing ring.

By adopting the technical scheme, the sealing ring further improves the sealing effect and reduces the possibility of water leakage.

Optionally, the inner side wall of the short pipe flange is fixedly connected with a reinforcing plate corresponding to the clamping groove.

Through adopting above-mentioned technical scheme, the reinforcing plate plays the reinforcing action to the short-pipe flange, has reduced the influence of screens groove to short-pipe flange intensity to the possibility of short-pipe flange fracture has been reduced.

Optionally, the two side walls of the reinforcing plate perpendicular to the axial direction of the short pipe flange are respectively and fixedly connected with a guide plate.

Through adopting above-mentioned technical scheme, the guide plate plays the guide effect to rivers, has reduced the impact of rivers to the reinforcing plate.

Optionally, the inner side wall of the short pipe flange is provided with an anti-rust layer.

By adopting the technical scheme, the anti-rust layer reduces the possibility that the short pipe flange is corroded by water after being used for a long time.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the mutually matched insertion block and the clamping groove, when the force transmission nut and the force transmission screw rod are loosened accidentally, the insertion block is limited by the clamping groove, so that the possibility of falling off of the joint is reduced;

2. through making the elastic sealing strip can be dismantled and connect in the gland, made things convenient for the staff to change the elastic sealing strip.

Drawings

Fig. 1 is a schematic structural diagram of a double-flange loose compensation joint in an embodiment of the application.

Fig. 2 is a cross-sectional view of an embodiment of the present application for embodying a dual-flange loose compensation joint.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2 in an embodiment of the present application.

Description of reference numerals: 1. a flange body; 11. a sliding groove; 12. a through groove; 13. a protective collar; 14. a protective cover; 15. a seal ring; 2. a stub pipe flange; 21. a clamping groove; 22. a reinforcing plate; 23. a baffle; 3. a force transmission screw rod; 31. a force transfer nut; 4. a gland; 41. a compression ring; 5. an elastic sealing strip; 6. a limit screw; 61. a limit nut; 7. magic tape; 71. suede surface; 72. hooking the noodles; 8. an insertion block; 81. a connecting rod; 82. pulling a plate; 9. and a pressure spring is reset.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses two flange loose tube compensation connect. Referring to fig. 1 and 2, the double-flange loose compensation joint includes a flange body 1, a short pipe flange 2, and a force transmission screw 3. The end part of the short pipe section of the short pipe flange 2 is inserted into the flange body 1, the inner side wall of the short pipe flange 2 is coated with an anti-rust layer, and the anti-rust layer is made of anti-rust paint. The stub pipe flange 2 and the flange body 1 are coaxially arranged, and a gap is formed between the inner side wall of the stub pipe flange 2 and the outer side wall of the flange body 1, so that the stub pipe flange 2 can move along the axial direction of the flange body 1.

Referring to fig. 1 and 2, a plurality of force transmission screws 3 are uniformly distributed along the circumferential direction of the flange body 1, and the force transmission screws 3 are arranged in parallel to the axial direction of the flange body 1. The connecting position of the flange body 1 and the short pipe flange 2 is sleeved with a gland 4 which is arranged in an annular shape, and a force transmission screw rod 3 sequentially penetrates through the short pipe flange 2, the gland 4 and the flange body 1. Four force transmission nuts 31 are in threaded connection with each force transmission screw rod 3, two of the force transmission nuts 31 are located on two sides of the end cover of the short pipe flange 2, and the other two force transmission nuts 31 are located on two sides of the end cover of the flange body 1.

Referring to fig. 2 and 3, a pressing ring 41 is integrally formed on the side wall of the end cover of the gland 4 facing the flange body 1, an elastic sealing strip 5 is detachably connected to the gland 4, and the elastic sealing strip 5 is squeezed between the pressing ring 41, the end of the flange body 1 and the outer side wall of the short pipe flange 2. The end cover of the flange body 1 is fixedly connected with a plurality of limiting screws 6 parallel to the force transmission screw 3, and the limiting screws 6 are uniformly distributed along the axis direction of the flange body 1. The end of the limit screw 6 penetrates through the gland 4 and is in threaded connection with a limit nut 61, and a worker can enable the gland 4 to compress the elastic sealing strip 5 by screwing the limit nut 61.

Referring to fig. 2 and 3, the elastic sealing strip 5 is arranged in a ring shape, and two ends of the elastic sealing strip 5 are attached to each other. Be connected with magic subsides 7 between gland 4 and the elastic sealing strip 5, the back fixed connection of the matte 71 of magic subsides 7 in gland 4, the back of the hook face 72 of magic subsides 7 bonds in elastic sealing strip 5, and the hook face 72 and the matte 71 of magic subsides 7 bond each other to the connection of dismantling of elastic sealing strip 5 and gland 4 has been realized.

Referring to fig. 2 and 3, a plurality of pairs of sliding grooves 11 which are oppositely arranged are formed in the inner side wall of the flange body 1 facing the short pipe flange 2, and the plurality of pairs of sliding grooves are distributed along the circumferential direction of the flange body 1. An inserting block 8 is arranged in the sliding groove 11 in a sliding mode, and the inserting block 8 is perpendicular to the axial direction of the flange body 1. The extrusion has the pressure spring 9 that resets between the tank bottom of plug-in block 8 and sliding tray 11, logical groove 12 that link up to the 1 lateral wall of flange body is seted up to the tank bottom of sliding tray 11, it has connecting rod 81 to pass in logical groove 12, the one end fixed connection of connecting rod 81 is in plug-in block 8, the other end is worn out and fixedly connected with arm-tie 82 from leading to groove 12, set up on the lateral wall of stub flange 2 and supply the gliding screens groove 21 of plug-in block 8, screens groove 21 and the setting of plug-in block 8 one-to-one. The clamping groove 21 is a blind groove, and the clamping groove 21 is formed along the axial direction of the short pipe flange 2.

Referring to fig. 2 and 3, the restoring compression spring 9 is sleeved outside the connecting rod 81, and when the restoring compression spring 9 is in a natural state, the inserting block 8 extends out of the sliding groove 11 and is located in the blocking groove 21. When the staff pulls the pulling plate 82, the pulling plate 82 drives the connecting rod 81 to move, and the connecting rod 81 drives the inserting block 8 to be completely accommodated in the sliding groove 11.

Referring to fig. 2 and 3, the outer side wall of the flange body 1 is fixedly connected with a protection collar 13 corresponding to the pulling plate 82, and the pulling plate 82 is located in an area surrounded by the corresponding protection collar 13. The protective sleeve ring 13 is screwed with a protective cover 14 for shielding the opening of the protective sleeve ring, so that the pulling plate 82 is protected, and the possibility of misoperation is reduced.

Referring to fig. 2 and 3, the flange body 1 is fixedly connected with a sealing ring 15 which is annularly arranged on the inner side wall of the short pipe flange 2, and the sealing ring 15 is attached to the outer side wall of the short pipe flange 2. The sliding groove 11 is located between the elastic sealing strip 5 and the sealing ring 15, thereby further improving the sealing effect.

Referring to fig. 2 and 3, the inner side wall of the short pipe flange 2 is fixedly connected with a reinforcing plate 22 corresponding to the clamping groove 21, and the clamping groove 21 and the corresponding reinforcing plate 22 are sequentially distributed along the radial direction of the short pipe section of the short pipe flange 2. Reinforcing plate 22 is perpendicular to respectively fixedly connected with guide plate 23 on the both sides wall of short pipe flange 2 axis direction, and guide plate 23 sets up towards the inside wall slope of short pipe flange 2, and the thickness of guide plate 23 reduces gradually along with the increase with reinforcing plate 22 distance to play the guide effect to rivers, reduced the impact of rivers to reinforcing plate 22.

The implementation principle of the embodiment of the application is as follows: during the equipment, staff pulling arm-tie 82 for in the plug block 8 takes in the sliding tray 11 completely, at this moment, the pressure spring 9 that resets is compressed, and the staff inserts the one end of stub flange 2 in the flange body 1, and loosens arm-tie 82, makes plug block 8 insert screens groove 21 under the effect of the elasticity of pressure spring 9 that resets in, and the staff screws visor 14, thereby prevents the maloperation. When the water pipe is installed, the relative positions of the short pipe flange 2 and the flange body 1 are adjusted by workers according to requirements, and after the adjustment is completed, the force transmission nut 31 and the limiting nut 61 are screwed down to complete the installation. In the use, when passing power nut 31 and passing power screw rod 3 and accidentally becoming flexible, flange body 1 and short pipe flange 2 keep away from each other, and at this moment, grafting piece 8 slides along screens groove 21 and is finally blocked by screens groove 21 chucking to the possibility that flange body 1 and short pipe flange 2 break away from each other has been reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a two flange loose tube compensation connects, including flange body (1), stub pipe flange (2) and biography power screw rod (3), insert in flange body (1) the one end of stub pipe flange (2), it has biography power nut (31) to screw up on biography power screw rod (3), make flange body (1) and stub pipe flange (2) stable connection, the junction of flange body (1) and stub pipe flange (2) is equipped with gland (4), it has elastic sealing strip (5), its characterized in that to extrude between flange body (1) and the stub pipe flange (2): offer a plurality of sliding tray (11) to relative setting on the inside wall of flange body (1) orientation stub flange (2), it has plug block (8) to slide in sliding tray (11), it has pressure spring (9) that reset to extrude between the tank bottom of plug block (8) and sliding tray (11), logical groove (12) of lining up to flange body (1) lateral wall are seted up to the tank bottom of sliding tray (11), it has connecting rod (81) to pass in logical groove (12), the one end fixed connection of connecting rod (81) is in plug block (8), the other end is worn out and fixedly connected with arm-tie (82) from leading to groove (12), set up on the lateral wall of stub flange (2) and supply to plug block (8) gliding screens groove (21), the axis direction of stub flange (2) is seted up along screens groove (21).

2. The double flange loose compensation joint of claim 1, wherein: elastic sealing strip (5) are the annular setting, and the both ends of elastic sealing strip (5) are laminated each other, and elastic sealing strip (5) can be dismantled and connect in gland (4).

3. The double flange loose compensation joint of claim 2, wherein: be connected with between gland (4) and elastic sealing strip (5) magic subsides (7), the back fixed connection in gland (4) of matte (71) of magic subsides (7), the back fixed connection in elastic sealing strip (5) of hook face (72) of magic subsides (7), hook face (72) and matte (71) of magic subsides (7) bond each other.

4. The double flange loose compensation joint of claim 1, wherein: fixedly connected with is used for protecting the protection lantern ring (13) of arm-tie (82) on flange body (1), and arm-tie (82) are located the region that protection lantern ring (13) enclose, and threaded connection has on the protection lantern ring (13) and is used for sheltering from its open-ended visor (14).

5. The double flange loose compensation joint of claim 1, wherein: fixedly connected with is sealing washer (15) that the annular set up on flange body (1), and extrusion of sealing washer (15) is between flange body (1) and short pipe flange (2), and sliding tray (11) are located between elastic sealing strip (5) and sealing washer (15).

6. The double flange loose compensation joint of claim 1, wherein: the inner side wall of the short pipe flange (2) is fixedly connected with a reinforcing plate (22) which is arranged corresponding to the clamping groove (21).

7. The double flange loose compensation joint of claim 6, wherein: the two side walls of the reinforcing plate (22) which are vertical to the axial direction of the short pipe flange (2) are respectively and fixedly connected with a guide plate (23).

8. The double flange loose compensation joint of claim 1, wherein: the inner side wall of the short pipe flange (2) is provided with an anti-rust layer.