CN211145679U

CN211145679U - Accurate flange forging convenient to fold union coupling

Info

Publication number: CN211145679U
Application number: CN201921779174.7U
Authority: CN
Inventors: 瞿纪初; 刘虎
Original assignee: Shanghai Nanni Forging Co ltd
Current assignee: Shanghai Nanni Forging Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-07-31
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses an accurate flange forging convenient to fold union coupling, including first fold pipe, first flange, second flange and through-hole, first flange is installed to the bottom that folds the pipe, and the second is installed to the below of first flange and is folded the pipe, and the second fold and install on the pipe with first flange assorted second flange, the bottom of first flange is provided with the location arch, and the top of second flange be provided with the protruding assorted constant head tank in location. The utility model discloses a be provided with corrosion-resistant galvanizing coat, enhancement layer, first strengthening rib and second strengthening rib, and first strengthening rib and second strengthening rib cross arrangement are latticed for the device has optimized the structure of self, has both utilized corrosion-resistant galvanizing coat to strengthen the corrosion-resistant effect of device, utilizes the effect of enhancement layer, first strengthening rib and second strengthening rib again, has promoted the structural strength of device, thereby is favorable to the life of extension fixture.

Description

Accurate flange forging convenient to fold union coupling

Technical Field

The utility model discloses flange forging fixes technical field specifically is a precision flange forging convenient to fold union coupling.

Background

The ship is an artificial vehicle mainly operating in geographical water, the appearance of the artificial vehicle facilitates the transportation industry, a ship pipeline is an important component, and a ship folding pipe refers to a flange forging piece which is needed to be used when the pipeline and a pipeline or the last pipe of the pipeline system and equipment are connected in the final stage of manufacturing the ship pipeline, but the existing precision flange forging piece convenient for connecting the folding pipe still has the following problems in specific use:

1. the traditional precision flange forging convenient for folding pipe connection generally has the problems of poor sealing and anti-seepage effects, which leads to low practicability of the device;

2. the existing precision flange forgings convenient for closing pipe connection on the market also have the defects of low structural strength and poor corrosion resistance effect, so that the service life of the device is greatly influenced;

3. the existing precise flange forging piece convenient for folding pipe connection is not easy to position and assemble, and the anti-skid effect is poor during assembly, so that the using effect of the device is poor, and the long-term popularization of the device is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate flange forging convenient to fold union coupling to solve the sealed and prevention of seepage that provide among the above-mentioned background art and pass through effectual, structural strength low and corrosion-resistant effect poor and be difficult for positioning assembly, the poor problem of antiskid effect during the assembly.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a precision flange forging convenient to fold union coupling, includes that first fold pipe, first flange, second flange and through-hole, first flange is installed to the bottom that folds the pipe, and the second is installed and is folded the pipe in the below of first flange, and the second fold and install on the pipe with first flange assorted second flange, the bottom of first flange is provided with the location arch, and the top of second flange be provided with the protruding assorted constant head tank in location, the edge of first flange and second flange all evenly is provided with the screw assembly hole, and the inside of screw assembly hole is provided with fixing bolt, and fixing bolt's bottom is provided with lock nut, and is provided with the gasket on the fixing bolt of lock nut top, the inside of first flange and second flange all is provided with the through-hole, and the top of first flange and second flange all is provided with O type circle.

Preferably, the outer side walls of the first flange and the second flange are both provided with corrosion-resistant zinc coatings, and reinforcing layers are arranged inside the side walls of the first flange and the second flange.

Preferably, the first flange and the second flange are uniformly provided with second silica gel anti-slip sheets arranged in a concentric circle at the end far away from the fixing bolt, and the cross section of each second silica gel anti-slip sheet is V-shaped.

Preferably, the first silica gel anti-slip sheets arranged in a concentric circle are uniformly arranged at one ends, close to the fixing bolt, of the first flange and the second flange, and the cross section of each first silica gel anti-slip sheet is in a strip shape.

Preferably, the bottom end of the positioning bulge is provided with an annular sealing groove, and a water-absorbing expansion sealing rubber ring is filled in the annular sealing groove.

Preferably, the inside of enhancement layer evenly is provided with first strengthening rib, and the inside of enhancement layer evenly is provided with the second strengthening rib, and first strengthening rib and second strengthening rib cross arrangement are latticed, and first strengthening rib and second strengthening rib constitute integrated welded structure.

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

(1) the precision flange forging piece convenient for the connection of the folding pipes is provided with the annular sealing groove, the first flange, the second flange, the O-shaped ring and the water-absorbing expansion sealing rubber ring, so that the sealing performance of the device when the first flange and the second flange are connected with the first folding pipe and the second folding pipe is enhanced by utilizing the action of the O-shaped ring on one hand, and the sealing performance of the device when the device is assembled is enhanced by utilizing the action of the annular sealing groove and the water-absorbing expansion sealing rubber ring on the other hand; compared with the existing flange, the flange forging piece has better sealing performance and is more flexible to disassemble and assemble.

(2) The precise flange forging convenient for folding pipe connection is provided with the corrosion-resistant galvanized layer, the reinforcing layer, the first reinforcing ribs and the second reinforcing ribs which are arranged in a crossed mode to form a grid shape, so that the device optimizes the structure of the device, the corrosion-resistant effect of the device is enhanced by the corrosion-resistant galvanized layer, and the structural strength of the device is improved by the aid of the reinforcing layer, the first reinforcing ribs and the second reinforcing ribs, so that the service life of the device is prolonged; the first reinforcing rib and the second reinforcing rib of the flange forging are both made of high-quality stainless steel or alloy structural steel through precision forging, and the flange forging is high in density and excellent in performance.

(3) This precision flange forging convenient to fold union coupling is through installing first flange, the second flange, the constant head tank, the location is protruding, first silica gel antiskid ribbed tile and second silica gel antiskid ribbed tile, make the device utilize the effect of constant head tank and location arch on the one hand, be convenient for when the assembly, fix a position first flange and second flange, through constant head tank and the bellied block in location, when can guaranteeing first flange and second flange assembly, the two central line is on same water flat line, on the other hand utilizes the effect of first silica gel antiskid ribbed tile and second silica gel antiskid ribbed tile, the antiskid effect of device has been strengthened, be convenient for assemble, thereby the result of use of device has been promoted.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the first flange of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the sectional structure of the first flange side wall of the present invention.

In the figure: 1. a first closure tube; 2. an O-shaped ring; 3. a first flange; 4. fixing the bolt; 5. a gasket; 6. locking the nut; 7. a second flange; 8. a threaded assembly hole; 9. a second closure tube; 10. a through hole; 11. a first silica gel anti-slip sheet; 12. a second silica gel anti-slip sheet; 13. an annular seal groove; 14. positioning the projection; 15. positioning a groove; 16. water-absorbing expansion sealing rubber ring; 17. a corrosion-resistant zinc coating; 18. a reinforcing layer; 1801. a first reinforcing rib; 1802. and a second reinforcing rib.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a precision flange forging convenient for connection of a folding pipe comprises a first folding pipe 1, a first flange 3, a second flange 7 and a through hole 10, wherein the first flange 3 is installed at the bottom end of the first folding pipe 1, a second folding pipe 9 is installed below the first flange 3, the second flange 7 matched with the first flange 3 is installed on the second folding pipe 9, corrosion-resistant zinc coatings 17 are arranged on the outer side walls of the first flange 3 and the second flange 7, and reinforcing layers 18 are arranged inside the side walls of the first flange 3 and the second flange 7;

first reinforcing ribs 1801 are uniformly arranged in the reinforcing layer 18, second reinforcing ribs 1802 are uniformly arranged in the reinforcing layer 18, the first reinforcing ribs 1801 and the second reinforcing ribs 1802 are arranged in a crossed mode to form a grid shape, and the first reinforcing ribs 1801 and the second reinforcing ribs 1802 form an integrated welding structure;

the structure of the device is optimized, the corrosion-resistant effect of the device is enhanced by the corrosion-resistant zinc coating 17, and the structural strength of the device is improved by the aid of the reinforcing layer 18, the first reinforcing ribs 1801 and the second reinforcing ribs 1802, so that the service life of the device is prolonged;

a positioning bulge 14 is arranged at the bottom end of the first flange 3, a positioning groove 15 matched with the positioning bulge 14 is arranged at the top end of the second flange 7, an annular sealing groove 13 is arranged at the bottom end of the positioning bulge 14, and a water-absorbing expansion sealing rubber ring 16 is filled in the annular sealing groove 13;

when liquid leaks from the joint of the first flange 3 and the second flange 7, the leaked liquid flows through the annular sealing groove 13, and the water-absorbing expansion sealing rubber ring 16 in the annular sealing groove 13 absorbs water to expand, so that the first flange 3 and the second flange 7 are further sealed, the device is prevented from leaking, and the functionality of the device is enhanced;

the edges of the first flange 3 and the second flange 7 are uniformly provided with thread assembling holes 8, fixing bolts 4 are arranged in the thread assembling holes 8, the bottom ends of the fixing bolts 4 are provided with locking nuts 6, gaskets 5 are arranged on the fixing bolts 4 above the locking nuts 6, one ends, far away from the fixing bolts 4, of the first flange 3 and the second flange 7 are uniformly provided with second silica gel anti-slip sheets 12 which are arranged in a concentric circle mode, and the cross sections of the second silica gel anti-slip sheets 12 are V-shaped;

the anti-skid effect of the first flange 3 and the second flange 7 and the first folding pipe 1 and the second folding pipe 9 when the device is installed is enhanced by utilizing the action of the second silica gel anti-skid sheet 12, so that the practicability of the device is enhanced;

first silica gel anti-slip sheets 11 which are arranged in a concentric circle manner are uniformly arranged at one ends, close to the fixing bolts 4, of the first flange 3 and the second flange 7, and the cross sections of the first silica gel anti-slip sheets 11 are strip-shaped;

the anti-skid effect between the first flange 3 and the second flange 7 is improved by utilizing the action of the first silica gel anti-skid sheet 11, so that the fixing assembly is facilitated, and the use effect of the device is improved;

the first flange 3 and the second flange 7 are provided with through holes 10 inside, and the top ends of the first flange 3 and the second flange 7 are provided with O-shaped rings 2.

The working principle is as follows: when the device is used, firstly, a worker welds the first flange 3 and the second flange 7 on the first folding pipe 1 and the second folding pipe 9 respectively, then inserts the positioning protrusion 14 into the positioning groove 15 to realize the positioning assembly of the first flange 3 and the second flange 7, and the first flange 3 and the second flange 7 can be ensured to be assembled when the first flange 3 and the second flange 7 are assembled by the clamping of the positioning groove 15 and the positioning protrusion 14, the central lines of the first flange 3 and the second flange 7 are on the same horizontal line, so that the accuracy of the device during assembly is improved, then the first flange 3 and the second flange 7 are locked by the action of the fixing bolt 4 and the threaded assembly hole 8, when the device is used specifically, on one hand, the sealing performance of the first flange 3 and the second flange 7 when being connected with the first folding pipe 1 and the second folding pipe 9 is enhanced by the action of the O-shaped ring 2, on the other hand, the annular sealing groove 13 and the water-absorbing expansion sealing rubber ring 16 are, the sealing performance of the device during assembly is enhanced, when liquid leaks at the joint of the first flange 3 and the second flange 7, leaked liquid can flow through the annular sealing groove 13, and at the moment, the water absorption expansion sealing rubber ring 16 inside the annular sealing groove 13 can absorb water to expand, so that the first flange 3 and the second flange 7 are further sealed, the leakage condition of the device is avoided, and the functionality of the device is enhanced.

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 precision flange forging convenient to close union coupling, includes first fold pipe (1), first flange (3), second flange (7) and through-hole (10), its characterized in that: a first flange (3) is installed at the bottom end of the first folding pipe (1), a second folding pipe (9) is installed below the first flange (3), a second flange (7) matched with the first flange (3) is installed on the second folding pipe (9), a positioning bulge (14) is arranged at the bottom end of the first flange (3), a positioning groove (15) matched with the positioning bulge (14) is formed in the top end of the second flange (7), thread assembling holes (8) are uniformly formed in the edges of the first flange (3) and the second flange (7), fixing bolts (4) are arranged in the thread assembling holes (8), locking nuts (6) are arranged at the bottom ends of the fixing bolts (4), gaskets (5) are arranged on the fixing bolts (4) above the locking nuts (6), through holes (10) are formed in the first flange (3) and the second flange (7), o-shaped rings (2) are arranged at the top ends of the first flange (3) and the second flange (7).

2. The precision flange forging convenient for folding pipe connection of claim 1, wherein: the outer side walls of the first flange (3) and the second flange (7) are provided with corrosion-resistant zinc coatings (17), and reinforcing layers (18) are arranged inside the side walls of the first flange (3) and the second flange (7).

3. The precision flange forging convenient for folding pipe connection of claim 1, wherein: and one ends of the first flange (3) and the second flange (7) far away from the fixing bolt (4) are uniformly provided with second silica gel anti-slip sheets (12) which are arranged in concentric circles, and the cross section of each second silica gel anti-slip sheet (12) is V-shaped.

4. The precision flange forging convenient for folding pipe connection of claim 1, wherein: one end of the first flange (3) and one end of the second flange (7) close to the fixing bolt (4) are uniformly provided with first silica gel anti-slip sheets (11) which are arranged in a concentric circle mode, and the cross section of each first silica gel anti-slip sheet (11) is in a strip shape.

5. The precision flange forging convenient for folding pipe connection of claim 1, wherein: the bottom end of the positioning bulge (14) is provided with an annular sealing groove (13), and a water-absorbing expansion sealing rubber ring (16) is filled in the annular sealing groove (13).

6. The precision flange forging convenient for folding pipe connection of claim 2, wherein: first reinforcing ribs (1801) are uniformly arranged in the reinforcing layer (18), second reinforcing ribs (1802) are uniformly arranged in the reinforcing layer (18), the first reinforcing ribs (1801) and the second reinforcing ribs (1802) are arranged in a crossed mode to form a grid shape, and the first reinforcing ribs (1801) and the second reinforcing ribs (1802) form an integrated welding structure.