CN216112629U

CN216112629U - Cast pipe inner liner socket structure

Info

Publication number: CN216112629U
Application number: CN202122691613.2U
Authority: CN
Inventors: 王海; 孙辉; 张学来; 李超刚; 张希营; 刘小亮; 杨传花
Original assignee: Guoming Ductile Iron Pipes Co Ltd
Current assignee: Guoming Ductile Iron Pipes Co Ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-03-22
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a socket structure of cast pipe lining layers, and particularly relates to the field of cast pipe lining installation, which comprises a cast pipe body and two epoxy ceramic lining layers, wherein the outer walls of the epoxy ceramic lining layers are movably contacted with the inner wall of the cast pipe body; coupling assembling is including joint ring and two hollow sleeves, the one end of joint ring and the one end fixed connection of an epoxy ceramic inner liner, another the joint groove has been seted up to the one end of epoxy ceramic inner liner, compares with prior art, and through making the joint ring plug-in connection to the joint inslot, then make the inserted bar insert in proper order to first perforation, second perforation and third perforation, the inserted bar makes two epoxy ceramic inner liners fixed to convenient completion the installation of epoxy ceramic inner liner and cast tube body is fixed, and then the effectual convenience that has improved the fixed epoxy ceramic inner liner of installation.

Description

Cast pipe inner liner socket structure

Technical Field

The utility model relates to the technical field of cast pipe lining installation, in particular to a socket structure for a cast pipe lining layer.

Background

Casting a pipe: the formed tube was cast from cast iron. The cast pipe is used for water supply, water drainage and gas transmission pipelines, comprises cast iron straight pipes and pipe fittings, and has low labor intensity. According to different casting methods, the method is divided into a continuous casting pipe and a centrifugal casting pipe, wherein the centrifugal casting pipe is divided into a sand mold and a metal mold. When the cast pipe is used for water supply and drainage, an epoxy ceramic lining is usually installed in the cast pipe for the purpose of corrosion prevention. The prior art has the following problems when an epoxy ceramic lining is installed:

at present, the epoxy ceramic lining is fixedly arranged on the inner wall of the cast pipe mostly in a welding mode, and the fixed installation of the epoxy ceramic lining is troublesome due to the fact that the labor workload of welding is large, and therefore a socket structure of the liner layer of the cast pipe is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bell and spigot structure of a cast pipe lining layer, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme: a socket structure of a cast pipe inner liner comprises a cast pipe body and two epoxy ceramic inner liners, wherein the outer walls of the epoxy ceramic inner liners are movably contacted with the inner wall of the cast pipe body;

the connecting component comprises a clamping ring and two hollow sleeves, one end of the clamping ring is fixedly connected with one end of one epoxy ceramic lining layer, one end of the other epoxy ceramic lining layer is provided with a clamping groove, the clamping ring is movably clamped with the clamping grooves, the inner walls of the two hollow sleeves are symmetrically provided with guide grooves, the inner wall of the guide groove is connected with guide blocks in a sliding way, a connecting disc is fixedly connected between the two guide blocks, one surface of each connecting disc is fixedly connected with a push rod, one end of each push rod, which is far away from the connecting disc, is movably inserted into the hollow sleeve, the outer walls of the two push rods are movably sleeved with a telescopic spring, one end of the telescopic spring is fixedly connected with the inner wall of the hollow sleeve, the other end of the telescopic spring is fixedly connected with one surface of the connecting disc, and the other surface of the connecting disc, away from the push rod, is fixedly connected with the insertion rod.

Preferably, the outer wall of the cast tube body is symmetrically provided with first through holes, and the insertion rod penetrates through the first through holes.

Preferably, the outer wall of the cast tube body is symmetrically provided with threaded holes.

Preferably, the outer wall of the epoxy ceramic lining layer is symmetrically provided with second through holes, the insertion rod penetrates through the second through holes, the outer wall of the clamping ring is symmetrically provided with third through holes, and the insertion rod penetrates through the third through holes.

Preferably, two the equal fixedly connected with grab handle of one end that the connecting pad was kept away from to the push rod.

Preferably, the fixing assembly comprises a connecting sleeve ring, one end of the hollow sleeve is fixedly connected with the outer wall of the connecting sleeve ring, and the outer wall of the connecting sleeve ring is connected with a fastening bolt in a rotating mode through symmetrical threads.

Preferably, the inner wall of the connecting lantern ring is fixedly provided with a protective pad, and the inner wall of the protective pad is movably contacted with the outer wall of the cast pipe body.

Preferably, the fastening bolt is in threaded clamping connection with the threaded hole through the protective pad.

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

1. the fastening bolt is turned into the threaded hole, so that the connecting lantern ring and the cast pipe body are fixed, the fixing of the connecting lantern ring and the cast pipe body is conveniently realized, and the convenience of subsequently fixing the epoxy ceramic lining layer is effectively improved;

2. insert to the joint inslot through making the joint ring, then make the peg graft pole insert in proper order to first perforation, second perforation and third perforation, the peg graft pole makes two epoxy ceramic inner liners fixed to convenient completion the installation of epoxy ceramic inner liner and cast tube body is fixed, and then the effectual convenience that has improved the fixed epoxy ceramic inner liner of installation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the connection of the body of the cast tube and the fixing assembly of the present invention.

FIG. 2 is a schematic diagram of the separation of the cast pipe body and the fixing assembly according to the present invention.

FIG. 3 is a schematic diagram of the separation of the epoxy ceramic liner layer and the fixing assembly according to the present invention.

FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention.

Fig. 5 is a schematic cross-sectional view of the hollow sleeve of the present invention.

In the figure: 1. a cast tube body; 11. a first perforation; 12. a threaded hole; 2. an epoxy ceramic liner layer; 21. a second perforation; 3. a fixing assembly; 31. a connecting lantern ring; 32. fastening a bolt; 33. a protective pad; 4. a connecting assembly; 41. a snap ring; 411. a third perforation; 42. a clamping groove; 43. a hollow sleeve; 44. a guide groove; 45. a guide block; 46. a connecting disc; 47. a push rod; 48. a handle; 49. a tension spring; 5. a plug rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-5, the utility model provides a socket structure of a cast pipe lining layer, which comprises a cast pipe body 1 and two epoxy ceramic lining layers 2, wherein the outer walls of the epoxy ceramic lining layers 2 are movably contacted with the inner wall of the cast pipe body 1, a fixing component 3 can be detachably arranged on the outer wall of the cast pipe body 1, connecting components 4 are symmetrically arranged on the surface of the fixing component 3, the fixing component 3 can conveniently realize the installation and the disassembly of the connecting components 4, and the connecting components 4 can conveniently realize the connection and the fixation of the epoxy ceramic lining layers 2;

the connecting assembly 4 comprises a clamping ring 41 and two hollow sleeves 43, one end of the clamping ring 41 is fixedly connected with one end of one epoxy ceramic inner liner layer 2, one end of the other epoxy ceramic inner liner layer 2 is provided with a clamping groove 42, the clamping ring 41 is movably clamped with the clamping groove 42, the clamping ring 41 is inserted into the clamping groove 42, the two epoxy ceramic inner liner layers 2 can be conveniently connected, the inner walls of the two hollow sleeves 43 are symmetrically provided with guide grooves 44, the inner walls of the guide grooves 44 are slidably connected with guide blocks 45, the guide blocks 45 can slide along the vertical direction of the inner walls of the guide grooves 44, connecting discs 46 are fixedly connected between the two guide blocks 45, the guide blocks 45 can enable the connecting discs 46 to move in the vertical direction, one surfaces of the two connecting discs 46 are fixedly connected with push rods 47, the push rods 47 can enable the connecting discs 46 to move in the vertical direction through push and pull push rods 47, push rod 47 keeps away from the one end of connection pad 46 and hollow sleeve 43 activity grafting, the equal movable sleeve of outer wall of two push rods 47 is equipped with expanding spring 49, expanding spring 49's one end and hollow sleeve 43's inner wall fixed connection, expanding spring 49's the other end and connection pad 46's one side fixed connection, when expanding spring 49 resets, expanding spring 49 can promote connection pad 46, two connection pads 46 keep away from the equal fixedly connected with peg graft pole 5 of push rod 47's one side, connection pad 46 can drive the vertical direction of peg graft pole 5 and remove.

Furthermore, the outer wall of the cast tube body 1 is symmetrically provided with first through holes 11, and the insertion rod 5 penetrates through the first through holes 11.

Further, threaded holes 12 are symmetrically formed in the outer wall of the cast tube body 1.

Further, the outer wall symmetry of epoxy ceramic inner liner 2 has seted up the second and has perforated 21, and peg graft pole 5 runs through the second and has perforated 21, and the outer wall symmetry of joint ring 41 has seted up the third and has perforated 411, and peg pole 5 runs through the third and perforates 411, after peg pole 5 runs through first perforation 11, second perforation 21 and third perforation 411 in proper order, the fixed of two epoxy ceramic inner liners 2 of realization that can be convenient.

Furthermore, one ends of the two push rods 47, which are far away from the connecting disc 46, are fixedly connected with a holding handle 48, and by holding the holding handle 48, a worker can push and pull the push rods 47 conveniently.

Further, the fixing assembly 3 comprises a connecting sleeve ring 31, one end of the hollow sleeve 43 is fixedly connected with the outer wall of the connecting sleeve ring 31, and the outer wall of the connecting sleeve ring 31 is connected with a fastening bolt 32 in a rotating mode through symmetrical threads.

Further, the inner wall of the connecting sleeve ring 31 is fixedly provided with a protective pad 33, the inner wall of the protective pad 33 is movably contacted with the outer wall of the cast tube body 1, and the protective pad 33 can prevent the outer wall of the cast tube body 1 from being worn.

Further, the fastening bolt 32 penetrates through the protective pad 33 and is in threaded connection with the threaded hole 12, and after the fastening bolt 32 is in threaded connection with the threaded hole 12, the connection sleeve ring 31 and the cast pipe body 1 can be conveniently fixed.

The working principle is as follows: when needs install the inside at cast tube body 1 with epoxy ceramic inner liner 2, the staff at first will connect lantern ring 31 and protection pad 33 to cup joint at the outer wall of cast tube body 1, and make two peg graft pole 5 run through the first perforation 11 that corresponds, then clockwise two fastening bolt 32 of knob respectively, make two fastening bolt 32 and the 12 screw thread joint of screw hole that correspond, thereby convenient realization connect lantern ring 31 and cast tube body 1 fixed, and then the effectual convenience that has improved follow-up fixed epoxy ceramic inner liner 2.

Subsequently, the two handles 48 are pulled back at the same time, the two handles 48 pull the corresponding connecting discs 46 through the corresponding push rods 47, the two connecting discs 46 enable the corresponding two guide blocks 45 to slide along the vertical direction of the inner walls of the corresponding guide grooves 44, the two connecting discs 46 enable the two insertion rods 5 to be separated from the corresponding first through holes 11, and meanwhile, the two expansion springs 49 are in a contracted state;

then, insert two epoxy ceramic inner liner 2 to the inside of cast tube body 1 from the both ends of cast tube body 1 respectively, and make the joint ring 41 of 2 one ends of an epoxy ceramic inner liner peg graft to the joint groove 42 in, simultaneously, make two first perforation 11 and the second perforation 21 that corresponds, the third perforation 411 is vertical to correspond, then loosen two grab handles 48 again, two expanding spring 49 extend rapidly this moment, and make two peg graft pole 5 remove in opposite directions through corresponding connection pad 46, two peg pole 5 remove in opposite directions and insert in proper order to the first perforation 11 that corresponds, second perforation 21 and third perforation 411 in, thereby convenient completion epoxy ceramic inner liner 2 and cast tube body 1's installation is fixed, and then the effectual convenience of fixing epoxy ceramic inner liner 2 of installation has been improved.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a cast tube inner liner socket joint structure, includes cast tube body (1) and two epoxy ceramic inner liners (2), its characterized in that: the outer wall of the epoxy ceramic lining layer (2) is in movable contact with the inner wall of the cast pipe body (1), a fixed component (3) can be disassembled from the outer wall of the cast pipe body (1), and connecting components (4) are symmetrically arranged on the surface of the fixed component (3);

the connecting assembly (4) comprises a clamping ring (41) and two hollow sleeves (43), one end of the clamping ring (41) is fixedly connected with one end of one epoxy ceramic inner liner (2), the other end of the epoxy ceramic inner liner (2) is provided with a clamping groove (42), the clamping ring (41) and the clamping groove (42) are movably clamped, the two inner walls of the hollow sleeves (43) are symmetrically provided with guide grooves (44), the inner walls of the guide grooves (44) are slidably connected with guide blocks (45), two connecting discs (46) are fixedly connected between the guide blocks (45), one surfaces of the connecting discs (46) are fixedly connected with push rods (47), one ends of the push rods (47) far away from the connecting discs (46) are movably connected with the hollow sleeves (43), and the outer walls of the push rods (47) are movably sleeved with expansion springs (49), one end of the telescopic spring (49) is fixedly connected with the inner wall of the hollow sleeve (43), the other end of the telescopic spring (49) is fixedly connected with one surface of the connecting disc (46), and two surfaces, far away from the push rod (47), of the connecting disc (46) are fixedly connected with the inserting rod (5).

2. The cast tube liner socket structure as claimed in claim 1, wherein the outer wall of the cast tube body (1) is symmetrically provided with first through holes (11), and the insertion rod (5) penetrates through the first through holes (11).

3. The cast tube liner socket structure as claimed in claim 1, wherein the outer wall of the cast tube body (1) is symmetrically provided with threaded holes (12).

4. The cast tube inner liner socket structure as claimed in claim 1, wherein the outer wall of the epoxy ceramic inner liner (2) is symmetrically provided with a second through hole (21), the plug rod (5) penetrates through the second through hole (21), the outer wall of the snap ring (41) is symmetrically provided with a third through hole (411), and the plug rod (5) penetrates through the third through hole (411).

5. The cast pipe inner liner socket structure as claimed in claim 1, wherein a handle (48) is fixedly connected to one end of each of the two push rods (47) far away from the connecting plate (46).

6. A cast pipe inner liner socket structure as claimed in claim 3, wherein the fixing component (3) comprises a connecting sleeve ring (31), one end of the hollow sleeve (43) is fixedly connected with the outer wall of the connecting sleeve ring (31), and the outer wall of the connecting sleeve ring (31) is symmetrically and rotatably connected with a fastening bolt (32) in a threaded manner.

7. A cast pipe inner liner socket structure as claimed in claim 6, characterized in that the inner wall of the connecting collar (31) is fixedly provided with a protective pad (33), and the inner wall of the protective pad (33) is movably contacted with the outer wall of the cast pipe body (1).

8. The cast pipe inner liner socket structure as recited in claim 7, characterized in that the fastening bolt (32) is threaded through the protective pad (33) and the threaded hole (12).