CN215568526U

CN215568526U - Easily-assembled and disassembled nodular cast iron pipe fitting

Info

Publication number: CN215568526U
Application number: CN202121594835.6U
Authority: CN
Inventors: 刘万敏
Original assignee: Hebei Zhonghe Foundry Co ltd
Current assignee: Hebei Zhonghe Foundry Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-01-18
Anticipated expiration: 2031-07-14

Abstract

The utility model provides an easily-assembled and disassembled nodular cast iron pipe fitting which comprises a pipe fitting body, wherein the pipe fitting body comprises a shell, a socket end, a fixed block and a ceramic layer, one end of the shell is arranged to be the socket end, the other end of the shell is arranged to be the socket end, the fixed blocks are arranged on the outer sides of the socket end and the socket end, a cement layer is filled in the middle of the shell, a cavity is arranged in the shell, the ceramic layer is paved on the inner wall of the cavity, two layers of clamping rings are arranged in the socket end, a sealing layer is bonded on the top ends of the clamping rings, the sealing layer is integrally made of rubber materials, a clamping groove is formed in the socket end, the size of the clamping groove is the same as that of the clamping rings, and a metal lantern ring is sleeved on the outer side of the socket end, so that the easily-assembled and disassembled nodular cast iron pipe fitting is simple and rapid in installation and convenient in transportation, the safety is high, the connection is firm, the sealing performance is better, and the cost of antiseptic treatment is lower.

Description

Easily-assembled and disassembled nodular cast iron pipe fitting

Technical Field

The utility model relates to the technical field of pipe fittings, in particular to an easily-assembled and disassembled nodular cast iron pipe fitting.

Background

The nodular cast iron pipe is a pipe which is formed by adding a nodulizer into cast molten iron above No. 18 and then centrifugally casting the molten iron at a high speed by a centrifugal nodular cast iron machine, and is called a nodular cast iron pipe, a nodular cast iron pipe and the like for short. The material is mainly used for conveying tap water and is an ideal selective material for tap water pipelines.

The existing nodular cast iron pipe fitting is simple in structure, poor in sealing performance of a joint, influenced in service life, greatly increased in corrosivity along with the prolonging of service time, and even capable of causing leakage risk.

The inside of some ductile iron pipe fittings is generally subjected to anticorrosion treatment, but in normal use, the top of the pipeline is rarely directly contacted with water flow, so that the waterproof treatment cannot fully exert the effect and only increases the cost.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an easily-assembled and disassembled nodular cast iron pipe fitting to solve the problems in the background art.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an easy loading and unloading type nodular cast iron pipe fitting, includes the pipe fitting body, the pipe fitting body includes shell, socket end, fixed block and ceramic layer, the one end of shell sets up to the socket end, the other end of shell sets up to the socket end, the outside of socket end and socket end all is provided with the fixed block, the centre of shell is filled there is the cement layer, the inside of shell is provided with the cavity, the inner wall upper berth of cavity is equipped with the ceramic layer.

In a preferred embodiment of the present invention, two layers of snap rings are disposed inside the socket end, a sealing layer is bonded to a top end of each snap ring, and the sealing layer is made of rubber.

As a preferred embodiment of the present invention, a clamping groove is formed in the female end, the size of the clamping groove is the same as that of the snap ring, and a metal collar is sleeved on the outer side of the female end.

As a preferred embodiment of the present invention, threaded holes are formed in the fixing blocks, four fixing blocks are disposed outside each of the socket end and the socket end, and the intervals between the fixing blocks are the same.

In a preferred embodiment of the present invention, the ceramic layer is attached only to the lower half of the cavity, and the thickness of the ceramic layer is greater in the middle than on both sides.

As a preferred embodiment of the present invention, the socket end and the socket end are fixed by bolts passing through fixing blocks.

The utility model has the beneficial effects that: the utility model relates to an easily-assembled and disassembled nodular cast iron pipe fitting which comprises a pipe fitting body, wherein the pipe fitting body comprises a socket end, a fixing block, a shell, a bolt, a clamping ring, a sealing layer, a threaded hole, a clamping groove, a metal sleeve ring, a cement layer, a ceramic layer and a cavity wire.

1. Four fixed blocks are all installed at the both ends of this easy loading and unloading type nodular cast iron pipe fitting, and the threaded hole is seted up to the inside of fixed block, can hoist and mount the installation through the screw hole, need not additionally fix or entangle, has saved the procedure of hoist and mount, and the fixed block can also be used for preventing that the pipe fitting from taking place to roll when the storage, improves its stability.

2. This easily loading and unloading type nodular cast iron pipe fitting's one end is the spigot end, and the other end is the female end, is provided with double-deck snap ring in the spigot end, with double-deck snap ring card in two corresponding draw-in grooves in the female end, can realize the sealed effect of installation, the installation is simple quick more.

3. This easy loading and unloading type nodular cast iron pipe fitting's inside is provided with the ceramic layer, and the ceramic layer is whole to be similar to the crescent shape, and the ceramic layer thickness of bottom is greater than the thickness of the ceramic layer at top, makes its thickness of make full use of realize the anticorrosion effect, has reduced anticorrosive treatment's cost.

Drawings

FIG. 1 is a schematic structural diagram of an easily detachable ductile iron pipe fitting according to the present invention after assembly;

FIG. 2 is a schematic structural diagram of the appearance of an easily detachable ductile iron pipe fitting according to the present invention;

FIG. 3 is an enlarged view of the bell end portion of an easily removable ductile iron pipe fitting according to the present invention;

FIG. 4 is a cross-sectional view of an easily detachable ductile cast iron pipe fitting according to the present invention;

in the figure: 1. a socket end; 2. a female end; 3. a fixed block; 4. a housing; 5. a bolt; 6. a snap ring; 7. a sealing layer; 8. a threaded hole; 9. a card slot; 10. a metal collar; 11. a cement layer; 12. a ceramic layer; 13. a cavity.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an easy loading and unloading type nodular cast iron pipe fitting, includes the pipe fitting body, the pipe fitting body includes shell 4, socket end 1, female end 2, fixed block 3 and ceramic layer 12, the one end of shell 4 sets up to socket end 1, the other end of shell 4 sets up to female end 2, the outside of socket end 1 and female end 2 all is provided with fixed block 3, the centre packing of shell 4 has cement layer 11, the inside of shell 4 is provided with cavity 13, the inner wall upper berth of cavity 13 is equipped with ceramic layer 12.

In a preferred embodiment of the present invention, two layers of snap rings 6 are disposed inside the socket end 1, a sealing layer 7 is bonded to the top ends of the snap rings 6, and the sealing layer 7 is made of rubber as a whole, so as to improve the sealing effect.

As a preferred embodiment of the present invention, a clamping groove 9 is formed in the female end 2, the size of the clamping groove 9 is the same as that of the snap ring 6, a metal collar 10 is sleeved on the outer side of the female end 2, and the metal collar 10 can block the joint of the pipes.

As a preferred embodiment of the present invention, the fixing blocks 3 are internally provided with threaded holes 8, four fixing blocks 3 are respectively disposed outside each of the socket end 1 and the socket end 2, and the intervals between the fixing blocks 3 are the same, so that the fixing blocks 3 can simultaneously perform the functions of hoisting, fixing and connecting.

In a preferred embodiment of the present invention, the ceramic layer 12 is attached only to the lower half of the cavity 13, and the thickness of the middle of the ceramic layer 12 is greater than the thickness of the both sides, so that the ceramic layer 12 laid at a position where the water flow rate is large is thicker.

As a preferred embodiment of the present invention, the socket end 1 and the socket end 2 are combined and fixed by a bolt 5 penetrating through the fixing blocks 3, and after the two fixing blocks 3 are connected, the snap ring 6 is extruded inside the snap groove 9.

The working principle is as follows: the easily assembled and disassembled nodular cast iron pipe fitting mainly comprises a shell 4, a socket end 1, a socket end 2, fixing blocks 3 and a ceramic layer 12, when in use, a sling passes through the two fixing blocks 3 on the same side of the two ends, the fixing blocks are hoisted and carried to a preset installation position, then a clamping ring 6 in the socket end 1 is clamped in a clamping groove 9 in the socket end 2, finally a bolt 5 passes through a threaded hole 8 in the fixing block 3 to be connected and fastened to complete installation, the four fixing blocks 3 are installed at the two ends of the nodular cast iron pipe fitting, the hoisting installation is carried out through the threaded hole 8, additional fixing or other lassoes sleeving are not needed, the hoisting procedure is saved, the fixing blocks 3 can also be used for preventing the pipe fitting from rolling during storage, the stability of the nodular cast iron pipe fitting is improved, one end of the pipe fitting is the socket end 1, the other end is the socket end 2, and the double-layer clamping ring 6 is arranged in the socket end 1, with 6 cards of double-deck snap ring in corresponding two draw-in grooves 9 in female end 2, can improve the sealed effect of installation, and compare in flange joint mode, the installation of this structure is simple quick more, the inside of pipe fitting is provided with ceramic layer 12, ceramic layer 12 is whole to be similar to the crescent shape, the ceramic layer 12 thickness of bottom is greater than the ceramic layer 12's of both sides thickness, thereby can make full use of its thickness realization anticorrosion effect, the cost of anticorrosive treatment has been reduced, the outside cover of female end 2 is equipped with the metal lantern ring 10, after the installation, the metal lantern ring 10 can block in the handing-over department of two pipelines, thereby shelter from the connection gap, improve sealed effect once more, prolonged service life.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an easy loading and unloading type nodular cast iron pipe fitting, includes the pipe fitting body, its characterized in that: the pipe fitting body includes shell (4), socket end (1), female end (2), fixed block (3) and ceramic layer (12), the one end of shell (4) sets up to socket end (1), the other end of shell (4) sets up to female end (2), the outside of socket end (1) and female end (2) all is provided with fixed block (3), the centre packing of shell (4) has cement layer (11), the inside of shell (4) is provided with cavity (13), the inner wall upper berth of cavity (13) is equipped with ceramic layer (12).

2. The easily detachable ductile iron pipe fitting according to claim 1, wherein: the plug-in port end (1) is internally provided with two layers of snap rings (6), the top ends of the snap rings (6) are bonded with sealing layers (7), and the sealing layers (7) are integrally made of rubber.

3. The easily detachable ductile iron pipe fitting according to claim 1, wherein: a clamping groove (9) is formed in the female end (2), the size of the clamping groove (9) is the same as that of the clamping ring (6), and a metal lantern ring (10) is sleeved on the outer side of the female end (2).

4. The easily detachable ductile iron pipe fitting according to claim 1, wherein: threaded holes (8) are formed in the fixing blocks (3), four fixing blocks (3) are arranged on the outer sides of the socket end (1) and the socket end (2), and the intervals between every two fixing blocks (3) are the same.

5. The easily detachable ductile iron pipe fitting according to claim 1, wherein: the ceramic layer (12) is only attached to the lower half part of the cavity (13), and the thickness of the middle of the ceramic layer (12) is larger than the thickness of the two sides.

6. The easily detachable ductile iron pipe fitting according to claim 1, wherein: the socket end (1) and the socket end (2) are combined and fixed through a fixing block (3) by a bolt (5).