CN215950693U - Insulating anticorrosive flange - Google Patents

Abstract

The utility model relates to the technical field of flanges, and discloses an insulating anticorrosive flange which comprises an insulating anticorrosive flange body A, wherein four corners of the left side of the insulating anticorrosive flange body A are respectively provided with a left-right through fixing screw hole, the right side of the insulating anticorrosive flange body A is provided with a sealing separation blade, the left side of the sealing separation blade is provided with four inserting bars, the sealing separation blade is attached to the right side of the insulating anticorrosive flange body A through the four inserting bars, the right side of the sealing separation blade is provided with an insulating anticorrosive flange body B, the four corners of the right side of the insulating anticorrosive flange body B are also respectively provided with a left-right through fixing screw hole, the left side of the insulating anticorrosive flange body B is provided with four inserting bars, the front end, the rear end, the upper end and the lower end of the insulating anticorrosive flange body A and the fixing screw holes are respectively provided with clamping plates, the pre-installation effect is effectively realized, and the installation efficiency is improved.

Description

Insulating anticorrosive flange

Technical Field

The utility model relates to the technical field of flanges, in particular to an insulating anticorrosive flange.

Background

The flange is also called flange disc or flange, and the flange is a part for connecting the shaft and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection has the advantages of good connection sealing performance, stable structure, high strength, convenient use, low cost and the like, and is widely applied to the industries such as the building industry, urban water supply, boiler pressure vessels, the petroleum industry, gas supply, the chemical industry, the food industry, fire fighting, the pharmaceutical industry, power stations, water conservancy, heating ventilation and the like.

The application number CN200820124218.8 discloses an insulating flange with corrosion resistance and insulating property, which comprises a flat welding flange, an internal insulating gasket, a nut, a bolt-nut insulating gasket and a bolt insulating sleeve, wherein an insulating protective cover is arranged outside the insulating flange. The anticorrosive paint for the inner wall of the flange has the characteristics of ageing resistance, acid and alkali resistance, temperature resistance, wear resistance and the like, and ensures the insulating property of the flange, so that the anticorrosive protection rate reaches over 95 percent, and all the problems that the insulating flange cannot be directly buried in soil, and the insulating property is unstable due to the installation on a conveying pipeline containing water as a medium are solved. Therefore, the application range of the insulating flange is expanded, the corrosion prevention efficiency is improved, the service life of the whole underground metal facility can be prolonged by more than one time, and the service life can reach more than 20 years, so that the insulating flange is one of facilities with higher use value and economic benefit in the current underground pipeline cathode protection corrosion prevention measures.

However, the inventor finds that the technical scheme still has at least the following defects:

need dock earlier when flange mounting just can make the screw on two flanges aim at the installation, and the higher installation that leads to of requirement of butt joint operation is inconvenient, when adding the sealing ring between two flanges, has further increased the degree of difficulty of flange butt joint installation to the installation effectiveness that leads to the flange is lower.

To this end, we propose an insulating corrosion-resistant flange.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems in the prior art and provides an insulating anticorrosive flange.

In order to achieve the purpose, the utility model adopts the following technical scheme that the insulating anticorrosive flange comprises an insulating anticorrosive flange body A, four fixing screw holes which penetrate through the insulating anticorrosive flange body A from left to right are respectively formed in four corners of the left side of the insulating anticorrosive flange body A, a sealing separation blade is arranged on the right side of the insulating anticorrosive flange body A, four inserting strips are arranged on the left side of the sealing separation blade, the sealing separation blade is attached to the right side of the insulating anticorrosive flange body A through the four inserting strips, an insulating anticorrosive flange body B is arranged on the right side of the sealing separation blade, the fixing screw holes which penetrate through the insulating anticorrosive flange body B from left to right are also respectively formed in the four corners of the right side of the insulating anticorrosive flange body B, four inserting rods are arranged on the left side of the insulating anticorrosive flange body B, and clamping plates are respectively arranged at the front end, the rear end, the upper end and the lower end of the insulating anticorrosive flange body A and the fixing screw holes.

Preferably, the insulating anticorrosive flange body A and the fixed screw hole are both rectangular structures, four slots are arranged on the right side of the insulating anticorrosive flange body A, the slots are of a convex structure, and the four slots are respectively arranged at the upper end, the lower end, the front end and the rear end of the right side of the insulating anticorrosive flange body A, which is deviated to the center.

Preferably, the sealing separation blade is of a rectangular structure, the four insertion strips are respectively arranged at the upper end, the lower end, the front end and the rear end of the sealing separation blade, the left end of each insertion strip is in a barb shape, and the four insertion strips on the sealing separation blade are respectively movably sleeved with the four slots on the insulating anticorrosive flange body A.

Preferably, four pre-installation jacks are formed in the right side of the insulation and corrosion-resistant flange body A, the four pre-installation jacks are respectively arranged at the upper end, the lower end and the front end and the rear end of the right side of the insulation and corrosion-resistant flange body A, sliding grooves are formed in the front inner wall and the rear inner wall of each of the two pre-installation jacks at the upper end and the lower end, snap rings are slidably connected inside each sliding groove, springs are fixedly connected to one side wall, away from each other, of each snap ring in each pre-installation jack, one side, away from each other, of each spring in each pre-installation jack is fixedly connected with one side inner wall, away from each other, of each sliding groove in each pre-installation jack, sliding grooves are also formed in the upper inner wall and the lower inner wall of each pre-installation jack at the front end and the rear end, and the sliding grooves in each pre-installation jack at the front end and the rear end are also provided with the same snap rings and springs.

Preferably, the left side of the insulating anticorrosive flange body B is fixedly connected with four insertion rods, the four insertion rods are respectively arranged at the upper end, the lower end, the front end and the rear end of the left side of the insulating anticorrosive flange body B, the outer wall of each insertion rod is provided with a groove, the four insertion rods are respectively movably sleeved with four pre-installation jacks, and eight snap rings in the four pre-installation jacks are respectively movably sleeved in the grooves in the outer walls of the four insertion rods.

Preferably, four clamping grooves are respectively formed in the surface, far away from each other, of the insulating anticorrosive flange body A and the insulating anticorrosive flange body B, the eight clamping grooves are respectively located at the front end, the rear end, the upper end and the lower end of the insulating anticorrosive flange body A and the insulating anticorrosive flange body B, clamping strips are fixedly connected to the left inner wall and the right inner wall of each clamping plate, the eight clamping strips on the four clamping plates are movably sleeved with the eight clamping grooves on the insulating anticorrosive flange body A and the insulating anticorrosive flange body B respectively, and the inner wall, close to each other, of one side of the four clamping plates is respectively attached to the front surface, the rear surface, the upper surface and the lower surface of the insulating anticorrosive flange body A and the insulating anticorrosive flange body B.

Preferably, the left and right surfaces of the front and rear ends of the upper and lower two clamping plates are respectively provided with a limiting groove, and the left and right surfaces of the upper and lower ends of the front and rear two clamping plates are respectively provided with the same limiting groove.

Advantageous effects

The utility model provides an insulating anticorrosive flange. The method has the following beneficial effects:

1. the insulating anticorrosive flange is characterized in that ten insertion strips on the left side of a sealing separation blade are respectively inserted into four insertion grooves on the right side of an insulating anticorrosive flange body A through the arrangement of insertion grooves, insertion strips, preassembly insertion holes, clamping rings and insertion rods when the insulating anticorrosive flange is installed and used, so that the sealing separation blade is fixed, then four insertion rods on the left side of an insulating anticorrosive flange body B are respectively inserted into four preassembly insertion holes on the right side of the insulating anticorrosive flange body A, eight clamping rings in the four preassembly insertion holes are respectively clamped in grooves on the outer walls of the four insertion rods, so that the insulating anticorrosive flange body B is pre-fixed, then eight fixing screw holes in the insulating anticorrosive flange body A and the insulating anticorrosive flange body B are fixed through bolts, after the insulating anticorrosive flange body A and the fixing screw holes are fixed, the four clamping plates are respectively clamped at the upper end, the lower end, the front end and the rear end of the insulating anticorrosive flange body A and the insulating anticorrosive flange body B, and make eight card strips on four cardboards open respectively in eight draw-in grooves on insulating anticorrosive flange body A and insulating anticorrosive flange body B, easy operation, the accurate butt joint and the installation of being convenient for have effectively improved the installation effectiveness, through the setting of four pre-installation jacks on the insulating anticorrosive flange body A and four inserted bars on the insulating anticorrosive flange body B, be convenient for fix a position butt joint to insulating anticorrosive flange body A and insulating anticorrosive flange body B, the effect of pre-installation has effectively been realized, thereby installation effectiveness has been improved.

2. The insulating anticorrosive flange is characterized in that the sealing separation blade is pre-fixed through the four insertion grooves on the sealing separation blade by the arrangement of the four insertion strips on the sealing separation blade when the insulating anticorrosive flange body A and the insulating anticorrosive flange body B are in butt joint installation, so that the situation that the sealing separation blade deviates during butt joint of the insulating anticorrosive flange body A and the insulating anticorrosive flange body B is avoided, the operation simplicity is increased, the sealing effect of the sealing separation blade is effectively improved, the butt joint of the insulating anticorrosive flange body A and the insulating anticorrosive flange body B is protected through the four clamping plates after the butt joint installation of the insulating anticorrosive flange body A and the insulating anticorrosive flange body B is completed by the arrangement of the four clamping plates, and the corrosion of the butt joint of the insulating anticorrosive flange body A and the insulating anticorrosive flange body B is prevented, effectively improved insulating anticorrosive flange body A and insulating anticorrosive flange body B's life and guaranteed sealed effect, through the setting of four spacing grooves on every cardboard, effectively realized four cardboards to the effect of stepping down of eight fixed screw internal fixation bolt on insulating anticorrosive flange body A and the insulating anticorrosive flange body B, and then increased the inseparable effect of laminating of four cardboards and insulating anticorrosive flange body A and fixed screw, further increased anticorrosive effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the utility model at B in FIG. 1;

FIG. 4 is a perspective view of a sealing flap of the present invention;

FIG. 5 is a schematic front cross-sectional view of the flange body A of the present invention;

FIG. 6 is an enlarged view of the utility model at C of FIG. 5;

FIG. 7 is a perspective view of the flange body B of the present invention;

fig. 8 is an enlarged view of the utility model at D in fig. 7.

Illustration of the drawings:

1. an insulating anticorrosive flange body A; 2. fixing screw holes; 3. sealing the baffle plate; 4. an insulating anticorrosive flange body B; 5. a card slot; 6. clamping a plate; 7. a slot; 8. cutting; 9. pre-installing the jacks; 10. a snap ring; 11. A spring; 12. inserting a rod; 13. clamping the strip; 14. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): an insulating anticorrosion flange comprises an insulating anticorrosion flange body A1, wherein four corners of the left side of an insulating anticorrosion flange body A1 are respectively provided with a left-right through fixing screw hole 2, the right side of an insulating anticorrosion flange body A1 is provided with a sealing baffle plate 3, the left side of the sealing baffle plate 3 is provided with four inserting strips 8, the sealing baffle plate 3 is attached to the right side of an insulating anticorrosion flange body A1 through the four inserting strips 8, the right side of the sealing baffle plate 3 is provided with an insulating anticorrosion flange body B4, the right four corners of the insulating anticorrosion flange body B4 are also respectively provided with a left-right through fixing screw hole 2, the left side of the insulating anticorrosion flange body B4 is provided with four inserting rods 12, the front end, the rear end, the upper end and the lower end of the insulating anticorrosion flange body A1 and the fixing screw hole 2 are respectively provided with clamping plates 6, the insulating anticorrosion flange body A1 and the fixing screw hole 2 are both in a rectangular structure, four slots 7 are arranged on the right side of an insulation and corrosion-resistant flange body A1, the slots 7 are of a convex structure, the four slots 7 are respectively arranged at the upper end, the lower end, the front end and the rear end of the right side of the insulation and corrosion-resistant flange body A1 deviated to the center, a sealing baffle plate 3 is of a rectangular structure, four inserting strips 8 are respectively arranged at the upper end, the lower end, the front end and the rear end of the sealing baffle plate 3, the left end of each inserting strip 8 is in a barb shape, the four inserting strips 8 on the sealing baffle plate 3 are respectively in movable sleeved relation with the four slots 7 on the insulation and corrosion-resistant flange body A1, four pre-installing jacks 9 are arranged on the right side of the insulation and corrosion-resistant flange body A1, the four pre-installing jacks 9 are respectively arranged at the upper end, the lower end, the front inner wall and the rear inner wall of the two pre-installing jacks 9 at the upper end and the lower end are respectively provided with a sliding groove, and a snap ring 10 is slidably connected inside each sliding groove, a spring 11 is fixedly connected to one side wall of each preassembled jack 9, which is far away from each other, of each two snap rings 10, one side wall of each preassembled jack 9, which is far away from each other, of each two springs 11 is fixedly connected to one side wall of each preassembled jack 9, which is far away from each other, of each two chutes, the upper and lower inner walls of each two preassembled jacks 9 at the front and rear ends are also respectively provided with a chute, the chutes in each two preassembled jacks 9 at the front and rear ends are also respectively provided with the same snap ring 10 and spring 11, the left surface of the insulating anticorrosive flange body B4 is fixedly connected with four insert rods 12, the four insert rods 12 are respectively arranged at the upper and lower ends and the front and rear ends of the left surface of the insulating anticorrosive flange body B4, the outer wall of each insert rod 12 is provided with a groove, the four insert rods 12 are respectively movably sleeved with the four preassembled jacks 9, the eight snap rings 10 in the four preassembled jacks 9 are respectively movably sleeved in the grooves of the outer walls of the four insert rods 12, four draw-in grooves 5 have been equally divide to the one side that insulating anticorrosive flange body A1 and insulating anticorrosive flange body B4 kept away from each other and have been do not seted up, eight draw-in grooves 5 are located insulating anticorrosive flange body A1 and insulating anticorrosive flange body B4's front and back both ends and upper and lower both ends respectively, the equal fixedly connected with card strip 13 of inner wall about every cardboard 6, eight card strip 13 on four cardboard 6 embolias with eight draw-in groove 5 activities on insulating anticorrosive flange body A1 and the insulating anticorrosive flange body B4 respectively, four cardboard 6 one side inner walls that are close to each other are laminated with insulating anticorrosive flange body A1 and insulating anticorrosive flange body B4's front and back both sides and upper and lower both sides respectively, spacing groove 14 has been seted up respectively to the left and right sides at both ends about two upper and lower both ends of two upper and lower cardboard 6, same spacing groove 14 has been seted up respectively to the left and right sides about two sides at both ends about two preceding and lower both ends of two cardboard 6.

The working principle of the utility model is as follows: when the insulating anticorrosive flange is installed and used, ten inserting strips 8 on the left side of a sealing separation blade 3 are respectively inserted into four inserting grooves 7 on the right side of an insulating anticorrosive flange body A1, so that the sealing separation blade 3 is fixed, then four inserting rods 12 on the left side of an insulating anticorrosive flange body B4 are respectively inserted into four pre-installing inserting holes 9 on the right side of an insulating anticorrosive flange body A1, eight clamping rings 10 in the four pre-installing inserting holes 9 are respectively clamped in grooves on the outer walls of the four inserting rods 12, so that the insulating anticorrosive flange body B4 is pre-fixed, then eight fixing screw holes 2 on an insulating anticorrosive flange body A1 and an insulating anticorrosive flange body B4 are fixed through bolts, after the insulating anticorrosive flange body A1 and the fixing screw holes 2 are fixed, four clamping plates 6 are respectively clamped at the upper end, the lower end, the front end and the rear end of the insulating anticorrosive flange body A1 and the insulating anticorrosive flange body B4, and the eight clamping strips 13 on the four clamping plates 6 are respectively arranged in the eight clamping grooves 5 on the insulating anticorrosive flange body A1 and the insulating anticorrosive flange body B4, the operation is simple, the accurate butt joint and the installation are convenient, the installation efficiency is effectively improved, the positioning butt joint of the insulating anticorrosive flange body A1 and the insulating anticorrosive flange body B4 is convenient through the arrangement of the four preassembly jacks 9 on the insulating anticorrosive flange body A1 and the four insertion rods 12 on the insulating anticorrosive flange body B4, the pre-installation effect is effectively realized, the installation efficiency is improved, the sealing baffle 3 is pre-fixed through the four slots 7 on the insulating anticorrosive flange body A1 and the four insertion strips 8 on the sealing baffle 3 when the insulating anticorrosive flange body A1 and the insulating anticorrosive flange body B4 are butt-jointed, and the butt joint of the insulating anticorrosive flange body A1 and the insulating anticorrosive flange body B4 is avoided, the sealing separation blade 3 has the condition of installation displacement deviation, the operation simplicity is increased, the sealing effect of the sealing separation blade 3 is effectively improved, the arrangement of the four clamping plates 6 protects the butt joint of the insulating anticorrosive flange body A1 and the insulating anticorrosive flange body B4 through the four clamping plates 6 after the butt joint of the insulating anticorrosive flange body A1 and the insulating anticorrosive flange body B4 is completed, the corrosion of the butt joint of the insulating anticorrosive flange body A1 and the insulating anticorrosive flange body B4 is prevented, the service lives of the insulating anticorrosive flange body A1 and the insulating anticorrosive flange body B4 are effectively prolonged, the sealing effect is ensured, the position yielding effect of the four clamping plates 6 on the eight fixing bolts in the fixing screw holes 2 on the insulating anticorrosive flange body A1 and the insulating anticorrosive flange body B4 is effectively realized through the arrangement of the four limiting grooves 14 on each clamping plate 6, and then increased the inseparable effect of laminating of four cardboard 6 and insulating anticorrosive flange body A1 and fixed screw 2, further increased anticorrosive effect.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides an insulating anticorrosive flange, includes insulating anticorrosive flange body A (1), its characterized in that: the four corners on the left of the insulating anticorrosive flange body A (1) are respectively provided with a fixed screw hole (2) which runs through in the left-right direction, the right side of the insulating anticorrosive flange body A (1) is provided with a sealing separation blade (3), the left side of the sealing separation blade (3) is provided with four inserting strips (8), the sealing separation blade (3) is attached to the right side of the insulating anticorrosive flange body A (1) through the four inserting strips (8), the right side of the sealing separation blade (3) is provided with an insulating anticorrosive flange body B (4), the right four corners of the insulating anticorrosive flange body B (4) are also respectively provided with a fixed screw hole (2) which runs through in the left-right direction, the left side of the insulating anticorrosive flange body B (4) is provided with four inserting rods (12), and the front end and the rear end and the upper end and the lower end of the insulating anticorrosive flange body A (1) and the fixed screw hole (2) are respectively provided with a clamping plate (6).

2. An insulating and corrosion-resistant flange according to claim 1, wherein: insulating anticorrosive flange body A (1) and fixed screw (2) all are the cuboid structure, and four slots (7) have been seted up to the right side of insulating anticorrosive flange body A (1), and slot (7) are type structure, and four slots (7) set up respectively at the upper and lower both ends at the deviated from center of the right side of insulating anticorrosive flange body A (1) and both ends around.

3. An insulating and corrosion-resistant flange according to claim 2, wherein: the sealing separation blade (3) is of a rectangular structure, the four inserting strips (8) are respectively arranged at the upper end, the lower end and the front end and the rear end of the sealing separation blade (3), the left end of each inserting strip (8) is in a barb shape, and the four inserting strips (8) on the sealing separation blade (3) are movably sleeved with the four slots (7) on the insulating anticorrosive flange body A (1) respectively.

4. An insulating and corrosion-resistant flange according to claim 1, wherein: four preassembly jacks (9) are formed in the right side of the insulating anticorrosive flange body A (1), the four preassembly jacks (9) are respectively arranged at the upper end and the lower end of the right side of the insulating anticorrosive flange body A (1) in a deviated manner, and at the front end and the rear end of the insulating anticorrosive flange body A (1), chutes are formed in the front inner wall and the rear inner wall of the two preassembly jacks (9) at the upper end and the lower end of the right side of the insulating anticorrosive flange body A (1), snap rings (10) are connected to the inside of each chute in a sliding manner, springs (11) are fixedly connected to one side walls, far away from each other, of the two snap rings (10) in each preassembly jack (9), one side inner wall, far away from each other, of the two springs (11) in each preassembly jack (9) is fixedly connected to one side inner wall, the upper inner wall and the lower inner wall of the two preassembly jacks (9) at the front end and the rear end are also provided with the same snap rings (10) and springs (11).

5. An insulating and corrosion-resistant flange according to claim 4, wherein: four inserted bars (12) of left surface fixedly connected with of insulating anticorrosive flange body B (4), four inserted bars (12) set up respectively at the upper and lower both ends and front and back both ends of insulating anticorrosive flange body B (4) left surface, and the outer wall of every inserted bar (12) all is seted up slottedly, and four inserted bars (12) embolias with four pre-installation jack (9) activities respectively, and eight snap rings (10) in four pre-installation jack (9) are respectively the activity embolias at the inslot of four inserted bar (12) outer walls.

6. An insulating and corrosion-resistant flange according to claim 1, wherein: the side, far away from each other, of the insulating anticorrosive flange body A (1) and the insulating anticorrosive flange body B (4) is respectively provided with four clamping grooves (5), the eight clamping grooves (5) are respectively positioned at the front end, the rear end, the upper end and the lower end of the insulating anticorrosive flange body A (1) and the insulating anticorrosive flange body B (4), the left inner wall and the right inner wall of each clamping plate (6) are respectively and fixedly connected with clamping strips (13), the eight clamping strips (13) on the four clamping plates (6) are respectively movably sleeved with the eight clamping grooves (5) on the insulating anticorrosive flange body A (1) and the insulating anticorrosive flange body B (4), the inner wall of one side, close to each other, of the four clamping plates (6) is respectively attached to the front surface, the rear surface, the upper surface and the lower surface of the insulating anticorrosive flange body A (1) and the insulating anticorrosive flange body B (4), the left surface and the right surface at the front end and the rear end of the upper clamping plate (6) are respectively provided with limiting grooves (14), the left and right surfaces of the upper and lower ends of the front and rear clamping plates (6) are respectively provided with the same limiting groove (14).

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