CN211010289U

CN211010289U - Nodular cast iron pipe fitting convenient to loading and unloading

Info

Publication number: CN211010289U
Application number: CN201921785086.8U
Authority: CN
Inventors: 闫爱萍
Original assignee: Hubei Zhengxin Tube Co ltd
Current assignee: Hubei Zhengxin Tube Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-14
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a nodular cast iron pipe fitting convenient to loading and unloading relates to nodular cast iron pipe fitting technical field, for solving the inconvenient problem of loading and unloading when connecting between the current nodular cast iron pipe fitting. One side of first nodular cast iron pipe fitting is provided with the second nodular cast iron pipe fitting, the below of first nodular cast iron pipe fitting and second nodular cast iron pipe fitting all is provided with longitudinal joint head, the one end of first nodular cast iron pipe fitting and second nodular cast iron pipe fitting all is provided with nodular cast iron pipe fitting bellmouth, the other end of first nodular cast iron pipe fitting and second nodular cast iron pipe fitting all is provided with nodular cast iron pipe fitting socket, be provided with the third ring flange on the outer wall of first nodular cast iron pipe fitting, be provided with the second ring flange on the outer wall of second nodular cast iron pipe fitting, the second ring flange is through first fastening bolt and third ring flange fixed connection, one side of third ring flange is provided with the stop collar, one side of stop collar is provided with fixed jaw.

Description

Nodular cast iron pipe fitting convenient to loading and unloading

Technical Field

The utility model relates to a nodular cast iron pipe fitting technical field specifically is a nodular cast iron pipe fitting convenient to loading and unloading.

Background

At present, the ductile iron pipelines are widely applied to various municipal pipeline engineering, electromechanical installation engineering and outdoor pipeline installation engineering projects in China. The nodular cast iron pipe is a pipe fitting which is added into molten iron before casting by using a magnesium or rare earth magnesium combined gold nodulizer to nodulize graphite and reduce stress concentration, so that the pipe fitting has the advantages of high strength, high elongation, impact resistance, corrosion resistance, good sealing property and the like; the inner wall adopts a cement mortar lining, so that the water delivery environment of the pipeline is improved, the water supply capacity is improved, and the energy consumption is reduced; the pipe orifice adopts a flexible interface, and the pipe material has larger elongation rate, so that the flexibility of the pipeline is better, the pipe can work together with soil around the pipeline in the buried pipeline, the stress state of the pipeline is improved, and the reliability of the operation of a pipe network is improved. Therefore, at present, ductile cast iron pipes are generally adopted as main pipe fittings in the water supply industry of China.

The existing nodular cast iron pipe fittings are inconvenient to assemble and disassemble during connection; therefore, the existing requirements are not met, and a nodular cast iron pipe fitting convenient to assemble and disassemble is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nodular cast iron pipe fitting convenient to loading and unloading to solve the inconvenient problem of loading and unloading when connecting between the current nodular cast iron pipe fitting that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a nodular cast iron pipe fitting convenient to assemble and disassemble comprises a first nodular cast iron pipe fitting, wherein a second nodular cast iron pipe fitting is arranged on one side of the first nodular cast iron pipe fitting, longitudinal connectors are arranged below the first nodular cast iron pipe fitting and the second nodular cast iron pipe fitting, one ends of the first nodular cast iron pipe fitting and the second nodular cast iron pipe fitting are respectively provided with a nodular cast iron pipe fitting bell mouth, the other ends of the first nodular cast iron pipe fitting and the second nodular cast iron pipe fitting are respectively provided with a nodular cast iron pipe fitting socket, a third flange plate is arranged on the outer wall of the first nodular cast iron pipe fitting, a second flange plate is arranged on the outer wall of the second nodular cast iron pipe fitting, the second flange plate is fixedly connected with the third flange plate through a first fastening bolt, a limiting sleeve is arranged on one side of the third flange plate, and a fixing clamping jaw is arranged on one side of the limiting sleeve, and fixed jack catch is provided with four, four fixed jack catch's one end all is through second fastening bolt and stop collar fixed connection, be provided with the second cushion on the outer wall of nodular cast iron pipe fitting socket, nodular cast iron pipe fitting socket passes through second cushion and nodular cast iron pipe fitting bellmouth peg graft connection, be provided with the shock attenuation cover on the outer wall of vertical connector, the both sides of shock attenuation cover all are provided with second fixing bolt, the below of shock attenuation cover is provided with first ring flange, the inside of first ring flange is provided with first fixing bolt, the inside of vertical connector is provided with the axle sleeve.

Preferably, the inner wall of the limiting sleeve is provided with a first rubber mat.

Preferably, a fastening nut is arranged on the outer wall of the first fastening bolt.

Preferably, one end of the second rubber pad is provided with a chamfer.

Preferably, the other ends of the four fixing clamping jaws are fixedly connected with the socket of the nodular cast iron pipe fitting.

Preferably, a sealing groove is formed in the second rubber gasket.

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

1. the utility model discloses a third ring flange, second ring flange and first fastening bolt's setting to it is more firm with first nodular cast iron pipe fitting and second nodular cast iron pipe fitting fixed to utilize first fastening bolt, and only need locking and unscrew fastening nut can install and dismantle convenient to use.

2. Through the setting of second cushion, make that nodular cast iron pipe fitting socket is fixed more firm with the nodular cast iron pipe fitting bellmouth, played the effect of anticreep, the seal groove has sealed performance, the chamfer can be convenient for assemble with the inner wall of nodular cast iron pipe fitting bellmouth.

3. Through the setting of shock attenuation cover and first ring flange, the first fixing bolt of the inside a plurality of first ring flange can be fixed the pipe fitting, and the shock attenuation cover has absorbing effect, and just passes through the fixed pipe fitting of second fixing bolt, can strengthen fixed effect, and this nodular cast iron pipe fitting is convenient for not only install and dismantle, and saves the cost.

Drawings

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

fig. 2 is a schematic view of the internal structure of a second nodular cast iron pipe fitting of the present invention;

FIG. 3 is a schematic side view of the stop collar of the present invention;

FIG. 4 is a schematic view of the enlarged structure of the part A of the present invention;

in the figure: 1. a first ductile iron pipe fitting; 2. a second ductile iron pipe fitting; 3. a socket of the nodular cast iron pipe fitting; 4. a socket of a nodular cast iron pipe fitting; 5. a longitudinal connector; 6. a first flange plate; 7. a first fixing bolt; 8. a second fixing bolt; 9. a second flange plate; 10. a first fastening bolt; 11. Fastening a nut; 12. a limiting sleeve; 13. fixing the clamping jaw; 14. a second fastening bolt; 15. a first rubber pad; 16. a shock-absorbing sleeve; 17. a second rubber pad; 18. a sealing groove; 19. chamfering; 20. a shaft sleeve; 21. a third flange.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a nodular cast iron pipe fitting convenient to assemble and disassemble comprises a first nodular cast iron pipe fitting 1, a second nodular cast iron pipe fitting 2 is arranged on one side of the first nodular cast iron pipe fitting 1, a longitudinal connector 5 is arranged below the first nodular cast iron pipe fitting 1 and the second nodular cast iron pipe fitting 2, a nodular cast iron pipe fitting socket 3 is arranged at one end of each of the first nodular cast iron pipe fitting 1 and the second nodular cast iron pipe fitting 2, a nodular cast iron pipe fitting socket 4 is arranged at the other end of each of the first nodular cast iron pipe fitting 1 and the second nodular cast iron pipe fitting 2, a third flange 21 is arranged on the outer wall of the first nodular cast iron pipe fitting 1, a second flange 9 is arranged on the outer wall of the second nodular cast iron pipe fitting 2, the second flange 9 is fixedly connected with the third flange 21 through a first fastening bolt 10, a limiting sleeve 12 is arranged on one side of the third flange 21, and a fixing clamping jaw 13 is arranged on one side of the limiting sleeve 12, and fixed jack catch 13 is provided with four, four fixed jack catch 13's one end is all through second fastening bolt 14 and stop collar 12 fixed connection, be provided with second cushion 17 on nodular cast iron pipe fitting socket 4's the outer wall, play fixed anticreep effect, nodular cast iron pipe fitting socket 4 passes through second cushion 17 and nodular cast iron pipe fitting bellmouth 3 plug-in connection, be provided with damper sleeve 16 on vertical connector 5's the outer wall, damper sleeve 16's both sides all are provided with second fixing bolt 8, damper sleeve 16's below is provided with first ring flange 6, the inside of first ring flange 6 is provided with first fixing bolt 7, vertical connector 5's inside is provided with axle sleeve 20, axle sleeve 20 can increase the life of connector.

Further, the inner wall of stop collar 12 is provided with first cushion 15, and first cushion 15 has fine antiskid and shock resistance.

Further, a fastening nut 11 is disposed on an outer wall of the first fastening bolt 10, and the fastening nut 11 plays a role of fastening.

Further, one end of the second rubber gasket 17 is provided with a chamfer 19, and the chamfer 19 is convenient to assemble with the inner wall of the socket 3 of the nodular cast iron pipe fitting.

Further, the other ends of the four fixing claws 13 are fixedly connected with the socket 3 of the nodular cast iron pipe fitting, so that the first nodular cast iron pipe fitting 1 and the second nodular cast iron pipe fitting 2 are fixed more firmly.

Further, a sealing groove 18 is formed in the second rubber gasket 17, and the sealing groove 18 effectively plays a role in sealing.

The working principle is as follows: when in use, the socket 4 of the nodular cast iron pipe fitting is spliced with the bell mouth 3 of the nodular cast iron pipe fitting, the socket 4 of the nodular cast iron pipe fitting and the bell mouth 3 of the nodular cast iron pipe fitting are more firmly fixed by the arrangement of the second rubber gasket 17, the anti-falling function is realized, the sealing groove 18 has the sealing performance, the chamfer 19 can be conveniently assembled with the inner wall of the bell mouth 3 of the nodular cast iron pipe fitting, the socket 4 of the nodular cast iron pipe fitting and the bell mouth 3 of the nodular cast iron pipe fitting can be firmly fixed by the arrangement of the stop collar 12 and the fixing jaw 13, the fixing jaw 13 and the stop collar 12 are fixed by the second fastening bolt 14, the disassembly and the assembly are convenient, the first nodular cast iron pipe fitting 1 and the second nodular cast iron pipe fitting 2 are more firmly fixed by the first fastening bolt 10 through the arrangement of the third flange 21, the second flange 9 and the first fastening bolt 10, and the assembly and the disassembly can be realized only by locking and unscrewing the fastening, through setting up damping sleeve 16 and first ring flange 6 at the outer wall of longitudinal joint head 5, the first fixing bolt 7 of the inside a plurality of first ring flange 6 can be fixed the pipe fitting, and damping sleeve 16 has absorbing effect, and just fixes the pipe fitting through second fixing bolt 8, can strengthen fixed effect, and this nodular cast iron pipe fitting is convenient for not only install and dismantle, and saves the cost.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Claims

1. The utility model provides a nodular cast iron pipe fitting convenient to loading and unloading, includes first nodular cast iron pipe fitting (1), its characterized in that: a second nodular cast iron pipe fitting (2) is arranged on one side of the first nodular cast iron pipe fitting (1), a longitudinal connector (5) is arranged below the first nodular cast iron pipe fitting (1) and the second nodular cast iron pipe fitting (2), a nodular cast iron pipe fitting socket (3) is arranged at one end of each of the first nodular cast iron pipe fitting (1) and the second nodular cast iron pipe fitting (2), a nodular cast iron pipe fitting socket (4) is arranged at the other end of each of the first nodular cast iron pipe fitting (1) and the second nodular cast iron pipe fitting (2), a third flange plate (21) is arranged on the outer wall of the first nodular cast iron pipe fitting (1), a second flange plate (9) is arranged on the outer wall of the second nodular cast iron pipe fitting (2), the second flange plate (9) is fixedly connected with the third flange plate (21) through a first fastening bolt (10), a limiting sleeve (12) is arranged on one side of the third flange plate (21), one side of the limiting sleeve (12) is provided with four fixed clamping jaws (13), one end of each fixed clamping jaw (13) is fixedly connected with the limiting sleeve (12) through a second fastening bolt (14), a second rubber mat (17) is arranged on the outer wall of the socket (4) of the nodular cast iron pipe fitting, the socket (4) of the nodular cast iron pipe fitting is spliced and connected with the socket (3) of the nodular cast iron pipe fitting through a second rubber gasket (17), a damping sleeve (16) is arranged on the outer wall of the longitudinal connector (5), second fixing bolts (8) are arranged on two sides of the damping sleeve (16), the shock absorption device is characterized in that a first flange plate (6) is arranged below the shock absorption sleeve (16), a first fixing bolt (7) is arranged inside the first flange plate (6), and a shaft sleeve (20) is arranged inside the longitudinal connector (5).

2. The easy-to-handle ductile iron pipe fitting according to claim 1, wherein: the inner wall of the limiting sleeve (12) is provided with a first rubber cushion (15).

3. The easy-to-handle ductile iron pipe fitting according to claim 1, wherein: and a fastening nut (11) is arranged on the outer wall of the first fastening bolt (10).

4. The easy-to-handle ductile iron pipe fitting according to claim 1, wherein: one end of the second rubber pad (17) is provided with a chamfer (19).

5. The easy-to-handle ductile iron pipe fitting according to claim 1, wherein: the other ends of the four fixed clamping jaws (13) are fixedly connected with the socket (3) of the nodular cast iron pipe fitting.

6. The easy-to-handle ductile iron pipe fitting according to claim 1, wherein: and a sealing groove (18) is arranged on the second rubber gasket (17).