CN211475146U

CN211475146U - Round-mouth corrugated pipe sealing joint for prestressed bridge

Info

Publication number: CN211475146U
Application number: CN201922438218.6U
Authority: CN
Inventors: 辛延甫; 王军伟; 侯明剑
Original assignee: Shijiazhuang Junmayong Machinery Technology Co ltd
Current assignee: Shijiazhuang Junmayong Machinery Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-11
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a round-mouth corrugated pipe sealing joint for prestressed bridge, which comprises a first semicircular pipe and a second semicircular pipe, wherein the top and the bottom of the two ends of the first semicircular pipe and the top and the bottom of the second semicircular pipe are respectively fixedly provided with an installation base, the middle part of one side of four installation bases is respectively provided with a chute, two corresponding chutes are respectively connected with the two sides of the inner wall of a clamping plugboard in a sliding way, one end of two clamping plugboards is respectively fixedly provided with two first fixed blocks, the middle part of one end of four installation bases is respectively fixedly provided with a second fixed block, the utility model can realize that the sliding clamping plugboard can slide until being blocked by a stop block by arranging the first fixed blocks, the second fixed blocks, bolts and the stop block, the bolt of screwing, first semicircle pipe and second semicircle pipe press from both sides the bellows tightly, and fixed effectual prevents to lead to the inside landing of chucking picture peg from the spout owing to the vibration for the bellows drops from sealing joint's inside.

Description

Round-mouth corrugated pipe sealing joint for prestressed bridge

Technical Field

The utility model relates to a connect, in particular to prestressed bridge is with round mouthful bellows sealing joint.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like. The metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like. The corrugated pipe made of other materials such as plastics has irreplaceable effects in the fields of medium conveying, electric power threading, machine tools, household appliances and the like.

Among the prior art, then need use bellows sealing joint when connecting the bellows, present bellows sealing joint simple structure uses the chucking picture peg to fix usually, and fixed effect is general to the chucking picture peg can be owing to receive vibrations and the landing, makes the separation of bellows sealing joint, leads to the bellows to drop.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prestressed bridge is with round mouth bellows seal joint to solve the poor problem of the fixed effect of the bellows seal joint who provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prestressed bridge is with round mouthful bellows sealing joint, includes first semicircle pipe and second semicircle pipe, the inner wall of first semicircle pipe and the inner wall of second semicircle pipe all are equipped with a plurality of draw-in grooves, the both sides of first semicircle inside pipe wall and the both sides of second semicircle intraductal wall all laminate and are equipped with the sealing washer, the top and the bottom at first semicircle pipe both ends and the top and the bottom of second semicircle pipe are all fixed and are equipped with the installation base, four the spout has all been seted up at the middle part of installation base one side, and two are corresponding the spout respectively with the both sides sliding connection of chucking picture peg inner wall, two the one end of chucking picture peg is all fixed and is equipped with two first fixed blocks, four the middle part of installation base one end is all fixed and is equipped with the second fixed block, four first fixed block respectively with the position phase-match that corresponds.

As a preferred technical scheme of the utility model, the screw has all been seted up at the middle part on first fixed block top and the middle part on second fixed block top, the inside threaded connection of screw has the bolt.

As an optimal technical scheme of the utility model, four the position department that installation base one end is close to the spout all fixes being equipped with the dog.

As a preferred technical scheme of the utility model, two the outer wall of chucking picture peg is all fixed and is equipped with a plurality of protruding stripes, two one side of chucking picture peg outer wall is all fixed and is equipped with the instruction arrow point.

As a preferred technical scheme of the utility model, the exhaust hole has been seted up at the middle part of second semicircle tub of outer wall, the exhaust hole communicates with the one end of blast pipe is fixed.

As a preferred technical scheme of the utility model, the internal thread of blast pipe is connected with the rubber buffer, the rubber buffer is kept away from the fixed card cap that is equipped with of one end of blast pipe.

As an optimal technical scheme of the utility model, the fixed two bracing pieces, two that are equipped with in one side of second semicircle pipe outer wall the one end of bracing piece respectively with bear the one end fixed connection of semi-ring.

As an optimized technical scheme of the utility model, the accepting groove has been seted up at the middle part of bearing the weight of the semi-ring inner wall, the size of accepting groove and the size phase-match of card cap.

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

1. the utility model relates to a circle mouth bellows sealing joint for prestressed bridge can realize through setting up first fixed block, second fixed block, bolt and dog that slip chucking picture peg when being blocked by the dog, screws the bolt, and first semicircle pipe and second semicircle pipe press from both sides the bellows tightly, and fixed effectual prevents because the vibration leads to chucking picture peg from the inside landing of spout, makes the bellows drop from the inside of sealing joint;

2. the utility model relates to a prestressed bridge is with round mouthful bellows sealing joint can realize when carrying out the operation of bleeding through setting up the bracing piece, bearing semi-ring and accepting groove, unscrews the rubber buffer, is close to the inside of accepting groove with the card cap again, can prevent to lose the rubber buffer in operation process.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural view of the middle bearing half ring of the present invention.

In the figure: 1. a first semi-circular tube; 2. a second semi-circular tube; 3. installing a base; 4. a chute; 5. an accommodating groove; 6. clamping the inserting plate; 7. raised stripes; 8. an arrow is indicated; 9. a stopper; 10. a first fixed block; 11. a bolt; 12. a card slot; 13. a seal ring; 14. an exhaust pipe; 15. a rubber plug; 16. a clamping cap; 17. a support bar; 18. a bearing semi-ring; 19. and a second fixed 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. 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.

Referring to fig. 1-3, the present invention provides a technical solution of a sealing joint for a circular corrugated pipe for a prestressed bridge:

according to the figure 1-3, comprises a first semicircular pipe 1 and a second semicircular pipe 2, wherein the inner wall of the first semicircular pipe 1 and the inner wall of the second semicircular pipe 2 are both provided with a plurality of clamping grooves 12, the clamping grooves 12 are clamped and connected with the flange of the corrugated pipe, two sides of the inner wall of the first semicircular pipe 1 and two sides of the inner wall of the second semicircular pipe 2 are both provided with sealing rings 13 in a laminating manner, the sealing rings 13 can improve the sealing property and prevent air leakage, the top and the bottom of two ends of the first semicircular pipe 1 and the top and the bottom of the second semicircular pipe 2 are both fixedly provided with mounting bases 3, the middle parts of one side of the four mounting bases 3 are both provided with sliding grooves 4, two corresponding sliding grooves 4 are respectively connected with two sides of the inner wall of a clamping insertion plate 6 in a sliding manner, the outer walls of the two clamping insertion plates 6 are both fixedly provided with a plurality of protruding stripes 7, the protruding stripes 7 can increase the friction force between, two first fixed blocks 10 are all fixed to the one end of two chucking picture peg 6, the middle part on four installation base 3 one ends is all fixed and is equipped with second fixed block 19, four first fixed blocks 10 respectively with the position phase-match that corresponds second fixed block 19, the screw has all been seted up at the middle part on first fixed block 10 top and the middle part on second fixed block 19 top, the inside threaded connection of screw has bolt 11, use bolt 11 to link together chucking picture peg 6 with installation base 3, strengthen fixed effect, prevent that chucking picture peg 6 from the inside landing of spout 4, make the bellows drop from sealing joint's inside, the equal fixed dog 9 that is equipped with in position department that four installation base 3 one ends are close to spout 4, dog 9 blocks chucking picture peg 6, it is spacing to chucking picture peg 6.

As shown in fig. 1 and 3, an exhaust hole is formed in the middle of the outer wall of the second semi-circular tube 2, the exhaust hole is fixedly communicated with one end of the exhaust pipe 14, the exhaust pipe 14 is provided for an external air pump to perform vacuum pumping operation, a rubber plug 15 is connected to the inner portion of the exhaust pipe 14 through a thread, a clamping cap 16 is fixedly arranged at one end of the rubber plug 15 away from the exhaust pipe 14, two support rods 17 are fixedly arranged at one side of the outer wall of the second semi-circular tube 2, one end of each support rod 17 is fixedly connected to one end of a bearing semi-ring 18, an accommodating groove 5 is formed in the middle of the inner wall of the bearing semi-ring 18, the size of the accommodating groove 5 is matched with the size of the clamping cap 16, when vacuum pumping operation is performed, then, the exhaust pipe 14 is connected with an air pump to start air extraction, and after the air extraction is finished, the rubber plug 15 is taken out and screwed back to the inside of the exhaust pipe 14.

When the sealing joint is used, firstly, the flange of the corrugated pipe is clamped into the inside of the clamping groove 12 on the inner wall of the first semicircular pipe 1, the second semicircular pipe 2 is aligned with the first semicircular pipe 1, then the clamping inserting plate 6 is inserted into the sliding groove 4, and the clamping inserting plate 6 slides in the direction of the indication arrow 8, the convex stripes 7 are arranged to increase the friction force between the clamping inserting plate and the clamping inserting plate 6, when the clamping inserting plate 6 is clamped by the stop block 9, the first fixing block 10 is aligned with the second fixing block 19, then the bolt 11 is screwed, the first semicircular pipe 1 and the second semicircular pipe 2 are fixed, the corrugated pipe can be connected by repeating the operations, when the vacuumizing operation is needed, the rubber plug 15 is unscrewed firstly, the clamping cap 16 is placed in the accommodating groove 5, the rubber plug 15 can be prevented from being lost in the operation process, then the exhaust pipe 14 is connected with the air pump to start air extraction, after the air extraction is finished, the air pump is firstly separated from the exhaust pipe 14, finally the rubber plug 15 is taken out, and the interior of the exhaust pipe 14 is screwed back.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prestressed bridge is with round mouthful bellows sealing joint, includes first semicircle pipe (1) and second semicircle pipe (2), its characterized in that: the inner walls of the first semicircular pipe (1) and the second semicircular pipe (2) are respectively provided with a plurality of clamping grooves (12), sealing rings (13) are respectively attached to the two sides of the inner wall of the first semicircular pipe (1) and the two sides of the inner wall of the second semicircular pipe (2), the top and the bottom at first semicircle pipe (1) both ends and the top and the bottom of second semicircle pipe (2) are all fixed and are equipped with installation base (3), four spout (4) have all been seted up at the middle part of installation base (3) one side, and are two corresponding spout (4) respectively with the both sides sliding connection of chucking picture peg (6) inner wall, two the one end of chucking picture peg (6) is all fixed and is equipped with two first fixed blocks (10), four the middle part of installation base (3) one end is all fixed and is equipped with second fixed block (19), four first fixed block (10) respectively with the position phase-match that corresponds second fixed block (19).

2. The sealing joint of the round corrugated pipe for the prestressed bridge as claimed in claim 1, wherein: screw holes are formed in the middle of the top end of the first fixing block (10) and the middle of the top end of the second fixing block (19), and bolts (11) are connected to the inner threads of the screw holes in a threaded mode.

3. The sealing joint of the round corrugated pipe for the prestressed bridge as claimed in claim 1, wherein: four positions, close to the sliding groove (4), of one end of the mounting base (3) are respectively fixedly provided with a stop block (9).

4. The sealing joint of the round corrugated pipe for the prestressed bridge as claimed in claim 1, wherein: two the outer wall of chucking picture peg (6) all is fixed and is equipped with a plurality of protruding stripes (7), two one side of chucking picture peg (6) outer wall all is fixed and is equipped with instruction arrow point (8).

5. The sealing joint of the round corrugated pipe for the prestressed bridge as claimed in claim 1, wherein: the middle part of the outer wall of the second semicircular pipe (2) is provided with an exhaust hole, and the exhaust hole is fixedly communicated with one end of an exhaust pipe (14).

6. The round corrugated pipe sealing joint for the prestressed bridge of claim 5, wherein: the inside threaded connection of blast pipe (14) has rubber buffer (15), the fixed card cap (16) that is equipped with of one end that blast pipe (14) were kept away from in rubber buffer (15).

7. The sealing joint of the round corrugated pipe for the prestressed bridge of claim 6, wherein: two support rods (17) are fixedly arranged on one side of the outer wall of the second semicircular pipe (2), and one ends of the two support rods (17) are fixedly connected with one ends of the bearing semi-rings (18) respectively.

8. The sealing joint of the round corrugated pipe for the prestressed bridge of claim 7, wherein: the middle part of the inner wall of the bearing semi-ring (18) is provided with an accommodating groove (5), and the size of the accommodating groove (5) is matched with that of the clamping cap (16).