CN210484922U

CN210484922U - Socket joint formula cement pipe

Info

Publication number: CN210484922U
Application number: CN201921395781.3U
Authority: CN
Inventors: 崔宝军; 王亚东; 贾新阳
Original assignee: Beijing Miyun Cement Products Co Ltd
Current assignee: Beijing Miyun Cement Products Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-05-08
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to the field of cement pipes, and discloses a socket joint type cement pipe, which solves the problem that the water in the cement pipe flows out from a gap to pollute the underground environment because the connection part of two cement pipes is uneven and has not tight butt joint in the prior art, the utility model has the advantages of its technical scheme main points are socket joint formula cement pipe includes first body and the second body, the one end that the second body was kept away from to first body is inboard pegged graft with the second body of another socket joint formula cement pipe, the coaxial annular first sealing strip that has inlayed in the outside of first body, first body still is equipped with butt portion outside first sealing strip, butt portion is opened one side of second body dorsad has the butt groove, the inboard cell wall in butt groove is the lateral surface of first body and first sealing ring is located the butt inslot, the coaxial annular second sealing strip that has inlayed of cell wall in butt groove near the outside, and then sealed requirement between the cement union coupling portion has been realized.

Description

Socket joint formula cement pipe

Technical Field

The utility model relates to a cement pipe field, a socket joint formula cement pipe very much.

Background

The cement pipe is also called cement pressure pipe and reinforced concrete pipe, and can be used as sewer pipe in urban construction foundation, and can discharge sewage, flood control and drainage, and water supply pipe and farmland pumping well used in some special factories and mines.

As shown in fig. 6, in the prior art, a socket joint type cement pipe is a first pipe body 1, a first diameter-variable portion 2, a second pipe body 3 and a second pipe body 4 in sequence, and the first diameter-variable portion 2 of one cement pipe is abutted to the second diameter-variable portion 4 of an adjacent cement pipe, when the socket joint type cement pipe is used, the first diameter-variable portion of one cement pipe is often inserted into the second diameter-variable portion of the adjacent cement pipe, but due to the fact that the cement pipes are uneven, the abutment of the cement pipes is not tight, water in the cement pipes flows out from gaps, the underground environment is polluted, and therefore two cement pipes need to be connected in a more tight connection mode.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a socket joint formula cement pipe can be used to with between the two cement pipes the butt tight, effectively prevents the cement pipe and leaks.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a socket joint formula cement pipe, includes first body and second body, the one end that the second body was kept away from to first body can be pegged graft with the second body inboard of another socket joint formula cement pipe, the coaxial annular first sealing strip that has inlayed in the outside of first body, first body still is equipped with butt portion outside first sealing strip, butt portion is opened one side of second body dorsad has the butt groove coaxial with first body, the inboard cell wall in butt groove is the lateral surface of first body just first sealing ring is located the butt inslot, the coaxial annular second sealing strip that has inlayed of cell wall in butt groove near the outside, the internal diameter of second sealing strip is not more than the external diameter of second body.

Through adopting above-mentioned technical scheme, the mode that utilizes the socket joint formula is with two adjacent cement pipe butts, be equipped with the butt groove on the outer wall of first body, and the groove width in butt groove equals the wall thickness of second body, and at the first rubber strip of the fixed round of inner wall of second body, at the fixed round second rubber strip of outer wall of second body, and then it is tight with the first body butt of the inner wall of second body and adjacent cement pipe, and it is tight with the butt inslot wall butt of adjacent cement pipe to utilize the second rubber strip, thereby seal the cement pipe.

The utility model discloses further set up to: the abutting portion comprises an outer limiting wall, the outer limiting wall is parallel to the first pipe body, second threaded holes penetrate through the outer limiting wall in an evenly distributed mode, a sealing ring is arranged at one end, far away from the second variable diameter portion, of the second pipe body in an outwards extending mode, and first threaded holes are evenly distributed in the outer side of the sealing ring.

Through adopting above-mentioned technical scheme, butt portion includes outer spacing wall to evenly run through on outer spacing wall and have the second screw hole, the outside extension of the one end that the second variable diameter portion was kept away from to the second body is equipped with the sealing ring, and sealing ring outside evenly distributed has first screw hole, aligns the first screw hole of a cement pipe with the second screw hole of adjacent cement pipe, and utilizes the bolt to run through the screw hole, and then fixes double-phase adjacent cement pipe circumference.

The utility model discloses further set up to: the sealing ring is kept away from the one end evenly distributed of second body and is had the arch, the sunken recess that supplies the arch to insert the location that sets up of butt groove tank bottom.

Through adopting above-mentioned technical scheme, be equipped with the arch on the sealing ring, and be equipped with the recess at butt groove tank bottom, the recess size is identical with protruding size, and then with recess and protruding looks butt, because the volume of cement pipe is great, weight is heavier, then the accessible naked eye with first screw hole, install after the second screw hole position is aligned mutually, thereby rethread recess and protruding looks butt align first screw hole and second screw hole completely, make recess and arch play a positioning action to two adjacent cement pipes.

The utility model discloses further set up to: the groove is provided with a through hole, the bulge is provided with a hole channel, the through hole and the inner part of the hole channel are both provided with threads, and the through hole is matched with the hole channel for use.

By adopting the technical scheme, the through hole is formed in the groove, the hole channel is formed in the protrusion, the through hole is aligned with the hole channel, and the screw penetrates through the hole channel and the through hole, so that the two adjacent cement pipes are axially fixed.

The utility model discloses further set up to: the outer diameter of the first pipe body is equal to the inner diameter of the second pipe body.

Through adopting above-mentioned technical scheme, because the external diameter of first body equals with the internal diameter of second body and makes between first body and the second body the butt tighter.

The utility model discloses further set up to: the abutting piece and the abutting part are made of metal materials.

Through adopting above-mentioned technical scheme, butt piece, butt portion are through mode and cement pipe integrated into one piece of pouring to butt piece, butt portion are the metal, and the fixation between the two cement pipes of being convenient for avoids the cement pipe to punch and causes the damage to the cement pipe.

To sum up, the utility model discloses following beneficial effect has:

1. abutting two adjacent cement pipes by using a socket joint mode, wherein an abutting groove is formed in the outer wall of the first pipe body, the groove width of the abutting groove is equal to the wall thickness of the second pipe body, a circle of first rubber strip is fixed on the inner wall of the second pipe body, a circle of second rubber strip is fixed on the outer wall of the second pipe body, the inner wall of the second pipe body is tightly abutted with the first pipe body of the adjacent cement pipe, and the second rubber strip is tightly abutted with the inner wall of the abutting groove of the adjacent cement pipe, so that the cement pipe is sealed;

2. second threaded holes are uniformly penetrated through the outer limiting wall, a sealing ring is arranged at one end, away from the second variable-diameter part, of the second pipe body in an outward extending mode, first threaded holes are uniformly distributed in the outer side of the sealing ring, the first threaded hole of one cement pipe is aligned with the second threaded hole of the adjacent cement pipe, bolts penetrate through the threaded holes, and then the two adjacent cement pipes are circumferentially fixed;

3. the sealing ring is provided with a bulge, the bottom of the abutting groove is provided with a groove, the size of the groove is matched with that of the bulge, the groove is abutted with the bulge so as to completely align the first threaded hole and the second threaded hole, and the groove and the bulge play a role in positioning two adjacent cement pipes;

4. the groove is provided with a through hole, the bulge is provided with a hole channel, the through hole is aligned with the hole channel, and then the screw penetrates through the hole channel and the through hole, so that the two adjacent cement pipes are axially fixed.

Drawings

FIG. 1 is a sectional view showing the location of a sealing strip of a cement pipe;

FIG. 2 is a cross-sectional view of a cement pipe;

FIG. 3 is a schematic structural view of a cement pipe;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A showing a convex shape;

FIG. 5 is an enlarged view of a portion of FIG. 2 at B showing the abutment structure;

fig. 6 is a schematic structural view of a cement pipe in the prior art.

Reference numerals: 1. a first diameter-changing part; 11. a seal ring; 2. a first pipe body; 3. a second diameter-changing portion; 4. a second tube body; 41. a sealing strip; 411. a first seal strip; 412. a second seal strip; 42. a seal ring; 421. a protrusion; 4211. a duct; 422. a first threaded hole; 5. an abutting portion; 51. an outer limiting wall; 511. a second threaded hole; 52. an end limiting wall; 521. a groove; 5211. a through hole; 53. and abutting against the groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a socket cement pipe includes a first diameter-variable portion 1, a first pipe body 2, a second diameter-variable portion 3, a second pipe body 4, and an abutting portion 5. The first diameter-variable part 1, the first pipe 2, the second diameter-variable part 3, and the second pipe 4 are integrated.

The first pipe 2 is shaped like a tubular body having a hollow interior.

The first diameter-changing portion 1 and the second diameter-changing portion 3 are respectively located at two ends of the first pipe body 2, the diameter of the first diameter-changing portion 1 gradually decreases in a direction away from the first pipe body 2, and a seal ring 11 is fixed on the outer side of the first diameter-changing portion 1.

The diameter of the second diameter-changing portion 3 gradually increases in a direction away from the first pipe 2.

The second pipe 4 is fixed at one end of the second variable diameter portion 3 far away from the first pipe 2, and the inner diameter of the second pipe 4 is equal to the outer diameter of the first pipe 2.

The first pipe body 2 of one cement pipe can be inserted into the adjacent second pipe body 4 to be abutted and attached, the first diameter-changing part 1 is inserted into the second diameter-changing part 3 of the other cement pipe, and the first diameter-changing part 1 is abutted and attached to the second diameter-changing part 3.

An annular sealing strip 41 is fixed on the wall surface of one end, away from the second diameter-changing portion 3, of the second pipe body 4, the sealing strip 41 comprises a first sealing strip 411 and a second sealing strip 412, the first sealing strip 411 is fixed on the inner side of the second pipe body 4, and the second sealing strip 412 is fixed on the outer side of the second pipe body 4.

As shown in fig. 2, a ring of sealing ring 42 extends and is fixed along the wall of the second tube 4 to the end far away from the second tube 4,

as shown in fig. 3 and 4, four protrusions 421 are uniformly distributed on one end of the sealing ring 42 away from the second pipe 4, the protrusions 421 are shaped as blocks, and a hole 4211 penetrates through each protrusion 421 along the axial direction of the second pipe 4. Four first threaded holes 422 are uniformly distributed on the outer side of the sealing ring 42, the first threaded holes 422 radially penetrate through the sealing ring 42 along the second pipe body 4, and the first threaded holes 422 and the hole passage 4211 are overlapped in the circumferential direction of the sealing ring 42.

As shown in fig. 5, the abutting portion 5 is annular, the abutting portion 5 is fixed to the outer wall of the first pipe 2, and the abutting portion 5 includes an outer stopper wall 51 and an end stopper wall 52. The end limiting wall 52 is perpendicular to the outer wall of the first tubular body 2, the outer limiting wall 51 is parallel to the first tubular body 2, and one end of the outer limiting wall 51 is fixed to the end limiting wall 52. Thereby, the abutting groove 53 is formed between the outer stopper wall 51, the end stopper wall 52, and the first pipe 2, and the notch of the abutting groove 53 faces in a direction away from the second pipe 4.

As shown in fig. 4 and 5, four grooves 521 extend from the end limiting wall 52 in a direction away from the outer limiting wall 51, and the four grooves 521 are uniformly distributed and have sizes fitting with the protrusions 4211. Through holes 5211 are formed in the four grooves 521, second threaded holes 511 are uniformly distributed at one end, close to the end limiting wall 52, of the outer limiting wall 51, and the second threaded holes 511 and the through holes 5211 are staggered in axial position and are uniformly distributed.

The utility model discloses a theory of operation:

when the cement pipes are installed, after the protrusions 4211 of one cement pipe are aligned with the grooves 521 of the adjacent cement pipe, the first diameter-changing part 1 of one cement pipe is abutted against the second diameter-changing part 3 of the other cement pipe, the through holes 5211 are aligned with the pore channels 422 through small-angle rotation adjustment, bolts are inserted, the two adjacent cement pipes are fixed in the horizontal direction, and meanwhile, the bolts penetrate through the first threaded holes 422 and the second threaded holes 511 to fix the two adjacent cement pipes in the vertical direction;

the rubber ring 11 of the first diameter-changing part 1 is tightly attached to the second pipe body 4 to form primary sealing;

the inner diameter of the second pipe body 4 is tightly abutted against the outer diameter of the first pipe body 2 of the adjacent cement pipe by the first seal strip 411, and the outer diameter of the second pipe body 4 is tightly abutted against the outer limit wall 51 of the adjacent cement pipe by the second seal strip 412, thereby forming a secondary seal for the cement pipe.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A socket cement pipe, which comprises a first pipe body (2) and a second pipe body (4), one end of the first pipe body (2) far away from the second pipe body (4) can be inserted into the inner side of the second pipe body (4) of the other socket cement pipe, an annular first sealing strip (411) is coaxially embedded at the outer side of the first pipe body (2), it is characterized in that the first pipe body (2) is also provided with a butting part (5) outside the first sealing strip (411), one side of the abutting part (5) back to the second tube body (4) is provided with an abutting groove (53) which is coaxial with the first tube body (2), the inner side groove wall of the abutting groove (53) is the outer side surface of the first pipe body (2), a first sealing ring (42) is abutted in the abutting groove (53), an annular second sealing strip (412) is coaxially embedded in the groove wall of the abutting groove (53) close to the outer side, the inner diameter of the second sealing strip (412) is not larger than the outer diameter of the second pipe body (4).

2. The socket cement pipe as claimed in claim 1, wherein the abutting portion (5) comprises an outer limiting wall (51), the outer limiting wall (51) is parallel to the first pipe body (2), second threaded holes (511) are uniformly distributed in the outer limiting wall (51), a sealing ring (42) extends outwards from one end of the second pipe body (4) far away from the second variable-diameter portion (3), and first threaded holes (422) are uniformly distributed outside the sealing ring (42).

3. The socket cement pipe as claimed in claim 2, wherein the end of the sealing ring (42) away from the second pipe body (4) is uniformly distributed with protrusions (421), and the bottom of the abutting groove (53) is recessed to form a groove (521) for inserting and positioning the protrusions (421).

4. The socket cement pipe as claimed in claim 3, wherein the groove (521) is provided with a through hole (5211), the protrusion (421) is provided with a hole (4211), the through hole (5211) and the hole (4211) are internally provided with threads, and the through hole (5211) is matched with the hole (4211) for use.

5. Socket cement pipe according to claim 4, characterised in that the outer diameter of the first pipe body (2) is equal to the inner diameter of the second pipe body (4).

6. The socket cement pipe as claimed in claim 5, wherein the sealing ring (42) and the abutting portion (5) are made of metal.