CN211232059U - Half joint and half joint connecting structure for bell and spigot - Google Patents

Abstract

The utility model aims at providing a socket joint is with ha fujie and ha fujie connection structure, the aperture one end of the sealed restraint tube hole of two pipe ends of ha fujie is big, one end is little, and big pipe diameter end restraint cover is put on the outer wall of the socket joint pipe mouth section of the socket joint outer tube that the socket joint formula is connected, and the small-bore end restraint cover of ha fujie is put on the body at the next-door neighbour's socket joint position of socket joint inner tube. The sealing constraint area of the half joint is set to be large at one end and small at the other end, so that the outer wall of a large-caliber end bell and spigot pipe section of the half joint can be restrained by the small-caliber end hoop sleeve of the half joint on the pipe body close to the socket joint part, the joint length of the half joint is remarkably reduced, and the half joint is suitable for the socket joint connection structure of a straight pipe and is also suitable for a connecting part of an elbow or a tee or even a cross joint in view of the size reduction of the half joint and the specific assembly position of the socket joint pipe combination part.

Description

Half joint and half joint connecting structure for bell and spigot

Technical Field

The utility model relates to a pipe connection, specifically say exactly that pipeline socket joint formula mouth position is salvageed or is connected the half festival of usefulness.

Background

The socket joint type connection of the pipe bodies is quite common, namely, a pipe head section of one pipe body is inserted into a pipe mouth section of the other pipe body, which has a slightly larger pipe diameter, and the gluing sealing or the arrangement of a sealing ring is reasonably selected according to the material, the pipe diameter, the application and the performance requirement of the pipe bodies.

Taking a water pipe connection in the prior art as an example, as shown in fig. 1, a pipe head of a socket inner pipe 2 is inserted into a socket pipe mouth section 1A of a socket outer pipe 1, which has a slightly larger pipe diameter, to form a socket assembly connection, once leakage occurs due to reasons such as sealing failure, a hough section 3 can be used for plugging connection, as shown in fig. 2, pipe diameters at two ends of the hough section 3 are the same and are bound on pipe bodies of straight pipe sections at two sides of a joint in a hoop manner, and the socket assembly section is integrally located inside the hough section 3, so that the bound section of the hough section 3 is required to have a proper pipe length section. When the sealing failure occurs at the connecting part of an elbow or a tee or even a four-way joint and the quick repair plugging is implemented by adopting the half joint, the interference and the collision phenomena often occur when the half joints are connected or between the half joints or with the pipe body section of the pipe joint due to the limited size of the space area between the socket joints, which brings inconvenience to the implementation of the quick repair scheme adopting the half joint and even can not implement the quick repair by using the half joint; even if the pipe orifices of the elbow or the tee have enough space, because the two ends of the half joint with the same pipe diameter are respectively and hoopedly restrained on the pipe body at the rear side of the socket pipe orifice section 1A of the socket outer pipe 1 and the pipe body of the socket inner pipe 2, the pipe length of the half joint 3 is longer to ensure that the socket assembling section is covered on the inner part of the half joint 3, so the sizes and materials of the pipe joint and the half joint are inevitably increased, and the earth volume required to be excavated on the pipeline embedding site is correspondingly increased when in emergency repair.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a little, the little socket of taking up space of festival length size is with half a fujie.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a half joint, encloses to close including two half joint halves and constitutes half formula pipe joint, and the arc recess that the circumference at the straight recess and the pipe end position of the side of the pipe length direction of half joint was arranged is used for imbedding sealing member half joint, its characterized in that: the hole diameters of the sealing constraint pipe holes at the two pipe ends are large at one end and small at the other end.

Another object of the utility model is to provide a salvage, connection structure at ha fu joint and socket pipe connection position, it is little, be suitable for extensively to occupy the space.

In order to realize the above-mentioned purpose, the utility model provides a following technical scheme, a ha fujie connection structure, enclose to close including two ha fujie halfbodies and constitute ha fujie, the arc recess that the circumference at the straight recess that the side of the pipe length direction of ha fujie halfbody was arranged and pipe end position was arranged is used for inlaying and puts the sealing member halfbody, its characterized in that: the sealing and restricting pipe holes at the two pipe ends of the half joint have a large aperture end and a small aperture end, the large-aperture end is restricted and sleeved on the outer wall of the socket pipe mouth section of the socket outer pipe connected in a socket manner, and the small-aperture end of the half joint is restricted and sleeved on the pipe body of the socket inner pipe close to the socket position.

The core of the scheme is that the sealing constraint area of the two pipe ends of the half joint is set to be large at one end and small at the other end, therefore, the large-caliber end of the half joint can be directly restrained on the outer wall of the socket pipe mouth section of the socket outer pipe of the socket-and-spigot connection sleeved with the large-caliber end of the half joint, and the small-caliber end hoop sleeve of the half joint is restrained on the pipe body of the socket inner pipe of the socket-and-spigot connection, which is close to the socket part, so that the length of the joint of the half joint or the size of the pipe length can be obviously reduced, the space occupied by the half-joint is obviously reduced, so that the material is saved, the weight of the half joint is reduced, the excavated earth volume during quick repair operation is obviously reduced, the maintenance cost is reduced, the efficiency is improved, and the half joint is suitable for the socket joint connecting structure of a straight pipe and is also suitable for the connecting part of an elbow or a tee joint or even a cross joint in view of the fact that the size of the half joint is reduced and the specific assembling position of the joint part of the socket joint pipe is matched.

Drawings

FIG. 1 is a pipe spigot-and-socket connection;

FIG. 2 is a structural diagram of the spigot-and-socket joint pipe of FIG. 1 with the addition of a half joint according to the prior art;

FIG. 3 is a perspective view of half of the half-Haff section;

FIGS. 4 and 5 are perspective views of the half joint when viewed from both ends, respectively;

FIG. 6 is a cross-sectional view of a half joint;

fig. 7 and 9 are perspective views in two use states, and fig. 8 and 10 are structural diagrams in the use states of fig. 7 and 9, respectively.

Detailed Description

As shown in fig. 2, 3 and 4, the half joint for the socket comprises two half joint bodies 10 which are enclosed to form a half pipe joint, a side groove 11 arranged on the side edge of the half joint body 10 in the pipe length direction and an arc-shaped groove 12 arranged on the circumferential direction of the pipe end part are used for embedding a sealing element body 16, and the sealing of the two pipe ends restricts one end of the hole diameter of the pipe hole to be large and the other end to be small.

The scheme adopts the scheme that the apertures of two ends are large and small, namely the specific shape of the connection between the half joint and the socket pipe is considered comprehensively, namely, the large pipe hole 14 of the half joint is restrained and sleeved on the outer wall of the socket pipe opening section 21 of the socket outer pipe 20 connected in a socket manner, and the small pipe hole 14 of the half joint is restrained and sleeved on the pipe body of the socket inner pipe 30 close to the socket position. Therefore, the socket pipe section 21 of the socket outer pipe 20 which is reserved too large and is used for accommodating the whole socket type connection is not needed, namely, the outer wall of the socket pipe section 21 of the socket outer pipe 20 is directly participated in the matching connection, therefore, the length of the middle section of the half joint, namely the length between the large pipe hole 14 and the small pipe hole 14 at the two ends is greatly reduced, the length of the half joint is almost half of the length of the prior art, so that the material cost is saved, the workload of construction and excavation of earthwork is reduced, and the length of the half joint is reduced, therefore, the length of the sealing element at the side part is reduced, the use amount of sealing materials is reduced, and more importantly, the sealing performance and the reliability are obviously improved because the reduction of the sealing joint surface mainly means the reduction of the sealing joint surface in the length direction of the pipe.

The following describes preferred modifications of the structural shape of the half-joint.

In order to realize the matching with the socket pipe mouth section 21 of the socket outer pipe 20 and the socket inner pipe 30, the restraining hole shapes at the two axial ends of the half joint, namely the two ends in the pipe length direction, have the following two scheme choices:

one is that the large pipe hole 13 and the small pipe hole 14 are cylindrical pipe cavities on the whole;

the second is that the small pipe hole 13 is a cylindrical pipe cavity as a whole, and the big pipe hole 14 is a conical pipe cavity with a small outer end and a large inner end.

In the two schemes, the pipe shape of the socket inner pipe 30 is generally a straight circular pipe, so the small pipe hole 14 is a cylindrical pipe cavity on the whole; the reason why the tubular cavity of the large tube hole 14 is a conical tubular cavity with a small outer end and a large inner end is to ensure that the tubular cavity is matched with the conical outer wall of the socket pipe mouth section 21 of the socket outer pipe 20. Certainly, because the socket pipe mouth section 21 of the socket outer pipe 20 is also provided with spherical conical surface transition, the pipe cavity of the large pipe hole 14 is a spherical conical pipe cavity with a small outer end and a large inner end, so that the shapes of the combined surfaces of the two are mutually matched, and the sealing is ensured. If the large pipe hole 13 is also designed to be a cylindrical pipe cavity, the ferrule of the large pipe hole can be restrained on the straight pipe section of the socket pipe mouth section 21 close to the pipe orifice.

When the large pipe hole 14 of the hough section is matched with the conical surface transition section of the socket pipe mouth section 21 of the socket outer pipe 20, if the phenomenon that the hough section moves to the rear end of the socket section 21 occurs, the conical surface sealing matching of the large pipe hole 14 and the socket pipe mouth section 21 of the socket outer pipe 20 will fail, so the phenomenon that the hough section moves to the rear end of the socket pipe mouth section 21 needs to be limited, the inner end of the small pipe hole 14 is provided with the radial wall 15 extending outwards along the radial direction, the radial wall 15 is jointed with the end surface of the socket pipe mouth section 21 of the socket outer pipe 20 during specific assembly, the radial wall 15 is jointed with the pipe mouth end surface of the socket outer pipe 20, and as shown in fig. 9, the displacement is avoided.

As shown in fig. 9 is the connection structure of three-way socket structure, the distance between the joint of position department placed in the middle in the figure and the joint on both sides is very little, is almost equivalent to socket pipe mouth section 21 and directly links to each other, if adopt the huff section among the prior art then can't implement the installation, adopt the utility model discloses a huff section then can realize the assembly smoothly.

Claims (7)

1. The utility model provides a half joint for socket joint, includes that two half joint bodies (10) enclose to close and constitute half formula pipe joint, and side recess (11) and the arc recess (12) of pipe end position circumference arrangement that the side of the pipe length direction of half joint body (10) was arranged are used for inlaying the sealing member halfbody, its characterized in that: the hole diameters of the sealing constraint pipe holes at the two pipe ends are large at one end and small at the other end.

2. The half joint for a socket according to claim 1, wherein: the large tube hole (13) and the small tube hole (14) are cylindrical tube cavities on the whole.

3. The half joint for a socket according to claim 1, wherein: the small pipe hole (14) is a cylindrical pipe cavity on the whole, and the pipe cavity of the big pipe hole (13) is a conical pipe cavity with a small outer end and a large inner end.

4. The half joint for a socket according to claim 1, wherein: the small pipe hole (14) is a cylindrical pipe cavity on the whole, and the pipe cavity of the big pipe hole (13) is a spherical conical pipe cavity with a small outer end and a large inner end.

5. The half joint for a socket according to claim 3 or 4, wherein: the inner end of the small pipe hole (14) is provided with a radial wall (15) extending outwards along the radial direction.

6. The utility model provides a half a husband festival connection structure, includes that two half a husband festival bodies (10) enclose to close and constitute half a husband's formula pipe coupling, and the side recess (11) that the side of the pipe length direction of half a husband festival body (10) was arranged and arc recess (12) that the circumference at pipe end position was arranged are used for inlaying the sealing member halfbody, its characterized in that: the hole diameters of the sealing and restricting pipe holes at the two pipe ends of the half joint are large at one end and small at the other end, the large pipe hole (13) of the half joint is restricted and sleeved on the outer wall of the bell and spigot pipe opening section (21) of the bell and spigot outer pipe (20) connected in a bell and spigot manner, and the small pipe hole (14) of the half joint is restricted and sleeved on the pipe body of the bell and spigot inner pipe (30) close to the bell and spigot portion.

7. The huff-section connection structure of claim 6, wherein: the small pipe hole (14) is a cylindrical pipe cavity on the whole, the pipe cavity of the big pipe hole (13) is a conical surface-shaped or spherical conical pipe cavity with a small outside and a large inside, a radial wall (15) extending outwards along the radial direction is arranged at the inner end of the pipe wall of the small pipe hole (14), and the radial wall (15) is attached to the end face of the pipe opening of the socket outer pipe (20).

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