CN213117899U

CN213117899U - Large flange plate in sealing connection

Info

Publication number: CN213117899U
Application number: CN202021998082.0U
Authority: CN
Inventors: 张军
Original assignee: Jianhu County Bo'ao Hydraulic Pressure Machinery Manufacturing Co ltd
Current assignee: Jianhu County Bo'ao Hydraulic Pressure Machinery Manufacturing Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-05-04
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a large flange plate of sealing connection, including lower pipeline, upper tube way, lower flange plate and last ring flange, lower flange plate sets up the top at the lower pipeline, it sets up the bottom at the upper tube way to go up the ring flange, the arc recess has been seted up to equal symmetry on the contact surface of lower flange plate and last ring flange, the embedded sealing washer that is equipped with of arc recess, fixed mounting has the lug on the contact surface of lower flange plate, set up the recess that supplies lug card to go into on the contact surface of last ring flange, the bilateral symmetry joint of lower flange plate and last ring flange has the mounting panel, one side fixed mounting of mounting panel has the anti-overflow pad, the anti-overflow pad offsets with the outer wall of lower flange plate and last ring flange, the both sides of mounting panel are all rotated and are connected with the grip block. The utility model relates to a flange technical field, simple structure, it is stable to connect, need not to set up the through-hole on the ring flange, has promoted the leakproofness of pipe connection greatly.

Description

Large flange plate in sealing connection

Technical Field

The utility model relates to a flange technical field especially relates to a sealing connection's big flange dish.

Background

Flanges, also called flange flanges or flanges, are parts of the interconnection between shafts for the connection between pipe ends.

The existing flanges for pipeline connection are usually connected in a bolt mode, through holes need to be machined in the flanges for installation of bolts, the sealing effect of the flange plate is damaged due to the design of the through holes, the connection stability and the sealing performance of the flange plate are reduced easily due to pipeline vibration or uneven stress, and therefore the problem is solved by the large flange plate for sealing connection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a large flange plate for sealing connection.

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

a large flange plate in sealing connection comprises a lower pipeline, an upper pipeline, a lower flange plate and an upper flange plate, wherein the lower flange plate is arranged at the top of the lower pipeline, the upper flange plate is arranged at the bottom of the upper pipeline, arc-shaped grooves are symmetrically formed in contact surfaces of the lower flange plate and the upper flange plate, sealing rings are embedded in the arc-shaped grooves, convex blocks are fixedly arranged on the contact surfaces of the lower flange plate, grooves for the convex blocks to be clamped are formed in the contact surfaces of the upper flange plate, mounting plates are symmetrically clamped on two sides of the lower flange plate and the upper flange plate, an anti-overflow pad is fixedly arranged on one side of each mounting plate and abuts against outer walls of the lower flange plate and the upper flange plate, clamping plates are rotatably connected on two sides of each mounting plate, worms are rotatably connected on the clamping plates, rotating blocks are fixedly connected on one sides of the worms, rotating grooves for the worms to rotate are formed in the lower flange plate and the upper flange plate, mounting grooves are formed in the lower flange plate and the upper flange plate and communicated with the rotating groove, a worm wheel is connected to the inner portion of the mounting groove in a rotating mode, and the worm wheel is connected with the worm in a meshed mode.

Preferably, the groove is fixedly provided with a non-slip mat inside, and the outer surface of the non-slip mat is provided with non-slip wave points.

Preferably, the lower pipeline and the upper pipeline are connected with a left half shell and a right half shell in a clamping manner, and the lower flange plate and the upper flange plate are located inside the left half shell and the right half shell.

Preferably, sliding connection has the round pin pole on the turning block, set up a plurality of pinhole that supply round pin pole male on the grip block, the guide way has been seted up on the turning block, the inside fixed mounting of guide way has two gag lever posts, sliding connection has the stopper on the gag lever post, stopper and round pin pole fixed connection.

Preferably, the limiting rod is sleeved with a return spring, one end of the return spring is fixedly connected with the inner wall of the guide groove, the other end of the return spring is fixedly connected with one side of the limiting block, the other end of the pin rod is fixedly connected with a pull ring, and the pull ring is located on one side of the rotating block.

Preferably, the sealing ring is of an O-shaped structure, and is made of rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the worm rotates by rotating the rotating block, and the worm wheel are matched for use, so that the two clamping plates rotatably connected at two sides of the mounting plate clamp and fix the lower flange plate and the upper flange plate;

2. the sealing ring, the convex block and the mounting plate are matched for use, the contact surface of the lower flange plate and the upper flange plate is sealed, the connection tightness is improved, the pin rod is inserted into the pin hole formed in the clamping plate, the rotation of the rotating block is limited, the worm is prevented from being automatically transmitted, and the connection stability of the worm and the worm wheel is improved.

Drawings

Fig. 1 is a schematic view of a main structure of a large flange plate for sealing connection according to the present invention;

fig. 2 is a schematic cross-sectional structure view of a large flange plate for sealing connection according to the present invention;

fig. 3 is an enlarged view of a structure at a in fig. 2.

In the figure: 1. a lower pipeline; 2. an upper pipeline; 3. a lower flange plate; 4. an upper flange plate; 5. a seal ring; 6. a bump; 7. mounting a plate; 8. a clamping plate; 9. a worm; 10. rotating the block; 11. a worm gear; 12. an anti-overflow pad; 13. a left half shell; 14. a right half shell; 15. a pin rod; 16. a pull ring; 17. a limiting rod; 18. a return spring; 19. and a limiting block.

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 large flange plate for sealing connection comprises a lower pipeline 1, an upper pipeline 2, a lower flange plate 3 and an upper flange plate 4, wherein the lower flange plate 3 is arranged at the top of the lower pipeline 1, the upper flange plate 4 is arranged at the bottom of the upper pipeline 2, arc-shaped grooves are symmetrically arranged on the contact surfaces of the lower flange plate 3 and the upper flange plate 4, sealing rings 5 are embedded in the arc-shaped grooves, convex blocks 6 are fixedly arranged on the contact surface of the lower flange plate 3, grooves for the convex blocks 6 to be clamped are arranged on the contact surface of the upper flange plate 4, mounting plates 7 are symmetrically clamped on the two sides of the lower flange plate 3 and the upper flange plate 4, an anti-overflow pad 12 is fixedly arranged on one side of the mounting plates 7, the anti-overflow pad 12 is abutted against the outer walls of the lower flange plate 3 and the upper flange plate 4, clamping plates 8 are rotatably connected on the two sides of the mounting plates 7, a worm 9 is rotatably connected on the clamping plates, the lower flange plate 3 and the upper flange plate 4 are both provided with a rotating groove for rotating a worm 9, the lower flange plate 3 and the upper flange plate 4 are both provided with a mounting groove which is communicated with the rotating groove, the inside of the mounting groove is rotatably connected with a worm wheel 11, the worm wheel 11 is meshed with the worm 9, the contact surface of the lower flange plate 3 and the upper flange plate 4 is sealed by matching a sealing ring 5, a convex block 6 and a mounting plate 7, the worm 9 is rotated by rotating a rotating block 10, the worm 9 and the worm wheel 11 are matched for use, so that the two clamping plates 8 rotatably connected at two sides of the mounting plate 7 clamp and fix the lower flange plate 3 and the upper flange plate 4, and the worm wheel 11 and the worm 9 are in transmission matching, the structure is compact, the transmission is stable, the self-locking performance is realized, the reverse self-locking can be realized, namely the worm wheel 11 can be driven by the worm 9 to rotate, but the worm wheel 11, the stability of centre gripping has been improved, need not to set up the through-hole on ring flange 3 down and last ring flange 4 and can fix ring flange 3 down and last ring flange 4, has promoted the leakproofness of pipe connection greatly.

Wherein, the inside fixed mounting of recess has the slipmat, has seted up anti-skidding ripples point on the surface of slipmat, has increased the frictional force behind the 6 card income recesses of lug through the slipmat and has made the joint of lug 6 more stable to the stability of being connected of lower flange 3 and last ring flange 4 has been improved.

Wherein, the joint has half shell 13 in the left side and half shell 14 in the right side on pipeline 1 and the last pipeline 2 down, lower flange 3 and top flange plate 4 are located half shell 13 in the left side and the half inside of shell 14 in the right side, the joint through half shell 13 in the left side and half shell 14 in the right side seals lower flange 3 and top flange plate 4, avoid outside water to drip and lead to its problem of rustting and being difficult to dismantle on flange plate 3 and the top flange plate 4 down, fine protecting effect has been played, the life of lower flange plate 3 and top flange plate 4 has been prolonged.

Wherein, sliding connection has pin 15 on the turning block 10, a plurality of confession pin 15 male pinholes have been seted up on the grip block 8, the guide way has been seted up on the turning block 10, the inside fixed mounting of guide way has two gag lever posts 17, sliding connection has stopper 19 on the gag lever post 17, stopper 19 and pin 15 fixed connection, insert the pinhole of seting up on the grip block 8 through pin 15, it is spacing to the rotation of turning block 10, avoid worm 9 to take place the condition emergence of autobiography, the stability of connecting of worm 9 and worm wheel 11 has been improved.

Wherein, the cover is equipped with reset spring 18 on the gag lever post 17, reset spring 18's one end and the inner wall fixed connection of guide way, reset spring 18's the other end and stopper 19's one side fixed connection, pin rod 15's other end fixedly connected with pull ring 16, pull ring 16 is located one side of turning block 10, it is more stable to make pin rod 15 insert the pinhole through reset spring 18's elasticity, pulling pull ring 16 makes pin rod 15 remove, make things convenient for the operator application of force through pull ring 16, be favorable to the operator to use.

Wherein, sealing washer 5 is "O" type structure, and sealing washer 5 is the rubber material, and the rubber material has fine elasticity, leakproofness and waterproof nature, has improved the leakproofness that lower flange 3 and upper flange 4 are connected greatly.

The working principle is as follows: in the utility model, before installation, one side of the installation plate 7 fixedly provided with the anti-overflow pad 12 is abutted against the surfaces of the lower flange plate 3 and the upper flange plate 4, one of the clamping plates 8 is rotated to enable the worm 9 rotationally connected with the clamping plate to be inserted into a rotating groove arranged on the lower flange plate 3, the other clamping plate 8 is rotated to enable the worm 9 rotationally connected with the clamping plate to be inserted into a rotating groove arranged on the upper flange plate 4, simultaneously, the pull ring 16 is pulled outwards to enable the pin rod 15 to be separated from the pin hole, the rotating block 10 is rotated to enable the worm 9 to rotate, after the worm 9 rotates to the bottom wall of the rotating groove, the two clamping plates 8 clamp and fix the lower flange plate 3 and the upper flange plate 4, and the worm wheel 11 and the worm 9 are matched in transmission, the structure is compact, the transmission is stable, the self-locking performance is realized, the reverse self-locking can be realized, namely, the worm wheel 11 can only be, the stability of centre gripping has been improved, need not to set up the through-hole on ring flange 3 down and last ring flange 4 and can fix ring flange 3 down and last ring flange 4, has promoted the leakproofness of pipe connection greatly.

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. The utility model provides a large flange dish of sealing connection, includes pipeline (1) down, goes up pipeline (2), lower flange dish (3) and last ring flange (4), its characterized in that, lower flange dish (3) set up the top at pipeline (1) down, go up ring flange (4) and set up the bottom at last pipeline (2), arc recess has all been seted up to the symmetry on the contact surface of lower flange dish (3) and last ring flange (4), the embedded sealing washer (5) that is equipped with of arc recess, fixed mounting has lug (6) on the contact surface of lower flange dish (3), set up the recess that supplies lug (6) card to go into on the contact surface of last ring flange (4), the bilateral symmetry joint of lower flange dish (3) and last ring flange (4) has mounting panel (7), one side fixed mounting of mounting panel (7) has anti-overflow pad (12), anti-overflow pad (12) offset with the outer wall of lower flange dish (3) and last ring flange dish (4), the both sides of mounting panel (7) all rotate and are connected with grip block (8), it is connected with worm (9) to rotate on grip block (8), one side fixedly connected with turning block (10) of worm (9), all set up on lower flange dish (3) and last ring flange (4) and supply worm (9) pivoted rotation groove, all set up the mounting groove on lower flange dish (3) and last ring flange (4), the mounting groove communicates with the rotation groove, the internal rotation of mounting groove is connected with worm wheel (11), worm wheel (11) and worm (9) meshing are connected.

2. The large flange plate for sealing connection according to claim 1, wherein a non-slip mat is fixedly installed inside the groove, and a non-slip wave point is arranged on the outer surface of the non-slip mat.

3. A sealingly connected large flange according to claim 1, wherein the lower pipe (1) and the upper pipe (2) are clamped with a left half shell (13) and a right half shell (14), and the lower flange (3) and the upper flange (4) are located inside the left half shell (13) and the right half shell (14).

4. The large flange plate for sealing connection according to claim 1, wherein a pin rod (15) is slidably connected to the rotating block (10), the clamping plate (8) is provided with a plurality of pin holes for the pin rod (15) to be inserted into, the rotating block (10) is provided with a guide groove, two limiting rods (17) are fixedly installed inside the guide groove, a limiting block (19) is slidably connected to the limiting rods (17), and the limiting block (19) is fixedly connected to the pin rod (15).

5. The large flange plate for sealing connection according to claim 4, wherein a return spring (18) is sleeved on the limiting rod (17), one end of the return spring (18) is fixedly connected with the inner wall of the guide groove, the other end of the return spring (18) is fixedly connected with one side of the limiting block (19), the other end of the pin rod (15) is fixedly connected with a pull ring (16), and the pull ring (16) is positioned on one side of the rotating block (10).

6. A sealingly connected large flange according to claim 1, wherein said sealing ring (5) is of an "O" configuration, said sealing ring (5) being of rubber material.