CN214618510U

CN214618510U - Reaction sintering silicon carbide sleeve

Info

Publication number: CN214618510U
Application number: CN202120118379.1U
Authority: CN
Inventors: 柴晓明; 鞠晓
Original assignee: Weifang Zhongjia Silicon Carbide Technology Co ltd
Current assignee: Weifang Zhongjia Silicon Carbide Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-11-05
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a reaction sintering carborundum sleeve, which comprises a sleeve body, wherein the outer wall of the sleeve body is fixedly connected with a shell, the outer wall of the shell is in threaded connection with an upper flange and a lower flange, the upper flange is in threaded connection with the outer wall of the shell and is close to the upper end, the lower flange is in threaded connection with the outer wall of the shell and is close to the lower end, and the outer wall of the sleeve body is fixedly connected with a fixed ferrule, can be welded or screwed.

Description

Reaction sintering silicon carbide sleeve

Technical Field

The utility model relates to a carborundum goods technical field especially relates to reaction sintering carborundum sleeve pipe.

Background

At present, the industries such as electric power, metallurgy, coal, petroleum, chemical industry, building materials, machinery and the like need to adopt a conveying pipeline to convey materials, the conveying pipeline consists of a straight pipe and bent pipes with different angles, the conveying medium for conveying the materials in the conveying pipeline generally has the characteristics of high flow speed, large flow and the like, and the conveying medium continuously impacts, abrades, corrodes and the like on the pipe wall for a long time in the conveying process, so that the pipeline is fatigued to be gradually worn through.

At present, in order to improve the overall performance of pipelines, the pipelines which are mature and are commonly used are mostly adopted, such as rare earth wear-resistant steel pipelines, bimetal composite pipes, ceramic patch composite pipes, high-temperature wear-resistant composite pipes and the like, wherein the rare earth wear-resistant steel bent pipe cannot solve the contradiction between wear resistance and weldability, the material leakage phenomenon often occurs in use, the wear resistance is poor, and the welding strength cannot be ensured, the shell of the bimetal composite pipe is an A3 steel pipe, the lining is high-chromium cast iron, and the shell is used for protection, so the service life can be greatly prolonged, but the lining of the bimetal composite pipe is also formed by a casting process, so the original weight is larger, the cost is relatively higher, the ceramic patch pipeline is formed by attaching a wear-resistant ceramic patch on the inner wall of the pipeline, the wear-resistant ceramic patch is mainly a ceramic piece made of high-purity alumina by sintering, the wear resistance is good, and the weight is light, the comprehensive manufacturing cost is ideal, but the ceramic chip has many problems in the process of pasting, firstly, the pasting agent is not firm enough, the temperature resistance can only be within 300 ℃, the leakage condition is easy to occur, the running resistance of the material in circulation is large, the early abrasion phenomenon is easy to occur on the steel pipe at the position, the service life of the pipeline is obviously reduced, the high-temperature abrasion-resistant composite pipe is also manufactured by welding a layer of tortoise shell net in the formed A3 steel pipe elbow, the product has low manufacturing cost because the lining is not sintered, but the abrasion resistance is relatively poor, the existing multiple pipelines can not achieve the expected targets of convenient installation and maintenance, simple production manufacturing process, no leakage in use and good abrasion resistance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a reaction sintering silicon carbide sleeve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: reaction sintering carborundum sleeve pipe, including the sleeve pipe body, sleeve pipe body outer wall fixedly connected with shell, shell outer wall threaded connection has upper flange, lower flange, upper flange threaded connection just is close to the position of upper end at the shell outer wall, lower flange threaded connection just is close to the position of lower extreme at the shell outer wall, sleeve pipe body outer wall fixedly connected with fixed lasso, the shell inboard is provided with the internal thread, the internal thread sets up in the shell inboard and is close to the position of lower extreme, be provided with the filling layer between shell and the sleeve pipe body, sleeve pipe body upper end is provided with seal assembly.

As a further description of the above technical solution:

the sleeve is characterized in that a first step and a second step are arranged on the sleeve body, the first step is arranged at one end, close to the upper surface, of the outer wall of the sleeve body, and the second step is arranged at one end, close to the lower surface, of the inner side of the sleeve body.

As a further description of the above technical solution:

the sealing assembly comprises a first buffer sealing element and a second buffer sealing element, wherein a first sealing element mounting groove and a second sealing element mounting groove are formed in the upper surface of the sleeve body, the second sealing element mounting groove is formed in the outer side of a first step, the first buffer sealing element is fixedly connected to the inner side of the first sealing element mounting groove, and the second buffer sealing element is fixedly connected to the inner side of the second sealing element mounting groove.

As a further description of the above technical solution:

the inner wall of the upper flange is provided with a first mounting hole, and the upper surface of the upper flange is provided with a positioning ring.

As a further description of the above technical solution:

the lower flange inner wall is provided with the second mounting hole, the lower flange lower surface is provided with the positioning ring groove, the positioning ring groove matches with the positioning ring circle size each other.

As a further description of the above technical solution:

the outer wall of the sleeve body is provided with a ferrule mounting groove, the fixed ferrule is fixedly connected to the inner side of the ferrule mounting groove, and the outer wall of the fixed ferrule is provided with external threads.

The utility model discloses following beneficial effect has:

compared with the prior art, this reaction sintering carborundum sleeve pipe, when the sintering, with fixed lasso snap-on at sleeve pipe body outer wall, simple to operate, when two sets of cover installations, peg graft through first step, second step, the seal assembly who sets up can ensure the installation back leak-tight, sleeve pipe body inner wall is smooth, and wear resistance can be good, and the shell of setting can effectively improve bulk strength, and the upper flange and the lower flange of setting can make the installation more firm, can with current pipeline adaptation, can weld also can threaded connection.

Drawings

Fig. 1 is a schematic view of the overall structure of a reaction sintered silicon carbide sleeve according to the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the reaction sintered silicon carbide sleeve according to the present invention;

FIG. 3 is a partial enlarged view of FIG. 2-A of the reaction sintered silicon carbide sleeve according to the present invention;

FIG. 4 is a schematic view of a partial structure of a sleeve body of a reaction-sintered silicon carbide sleeve according to the present invention;

fig. 5 is a schematic structural view of a fixed ferrule of a reaction sintered silicon carbide sleeve according to the present invention.

Illustration of the drawings:

1. a sleeve body; 2. a housing; 3. an upper flange; 4. a lower flange; 5. fixing the ferrule; 6. an external thread; 7. a first cushioning seal; 8. a second cushioning seal; 9. a first step; 10. positioning the ring; 11. a first mounting hole; 12. a second mounting hole; 13. a positioning ring groove; 14. an internal thread; 15. a second step; 16. a ferrule mounting groove; 17. a first seal mounting groove; 18. a second seal mounting groove; 19. and (5) filling the layer.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model provides a reaction sintering carborundum sleeve pipe: including

sleeve pipe body

1, 1 outer wall fixedly connected with shell 2 of sleeve pipe body, 2 outer wall threaded connection of shell has last flange 3, lower flange 4, go up 3 threaded connection of flange and be close to the position of upper end at 2 outer walls of shell, lower flange 4 threaded connection is at 2 outer walls of shell and be close to the position of lower extreme, 1 outer wall fixedly connected with retaining ring 5 of sleeve pipe body, 2 inboard of shell are provided with internal thread 14, internal thread 14 sets up at 2 inboard positions that just are close to the lower extreme of shell, be provided with filling layer 19 between shell 2 and the

sleeve pipe body

1, 1 upper end of sleeve pipe body is provided with seal assembly, sleeve pipe body 1 and shell 2 can be any kind in straight tube or the return bend.

Be provided with first step 9, second step 15 on the sleeve pipe body 1, first step 9 sets up the one end that just is close to the upper surface at sleeve pipe body 1 outer wall, and second step 15 sets up the one end that just is close to the lower surface at sleeve pipe body 1 inboard, and when the equipment each other of multiunit sleeve pipe, inject second step 15 through first step 9 and fix a position.

The sealing assembly comprises a first buffer sealing element 7 and a second buffer sealing element 8, wherein a first sealing element mounting groove 17 is formed in the upper surface of the sleeve body 1, a second sealing element mounting groove 18 is formed in the outer side of a first step 9, the first buffer sealing element 7 is fixedly connected to the inner side of the first sealing element mounting groove 17, the second buffer sealing element 8 is fixedly connected to the inner side of the second sealing element mounting groove 18, the sealing assembly is characterized in that the sealing assembly is good in the whole pipeline after the assembly through the first buffer sealing element 7 and the second buffer sealing element 8, the buffering effect can be achieved, and the situation that the brittleness is cracked due to the fact that the two sets of assembled sleeve bodies 1 are in direct contact is avoided.

The inner wall of the upper flange 3 is provided with a first mounting hole 11, and the upper surface of the upper flange 3 is provided with a positioning ring 10.

The inner wall of the lower flange 4 is provided with a second mounting hole 12, the lower surface of the lower flange 4 is provided with a positioning ring groove 13, the positioning ring groove 13 is matched with the positioning ring 10 in size, and the upper flange 3 and the lower flange 4 which are arranged can be connected more firmly after the assembly of a plurality of groups of sleeves and can be welded or connected by threads.

The outer wall of the sleeve body 1 is provided with a ferrule mounting groove 16, the fixed ferrule 5 is fixedly connected on the inner side of the ferrule mounting groove 16, the outer wall of the fixed ferrule 5 is provided with an external thread 6, and the external thread 6 on the outer wall of the fixed ferrule 5 is in threaded connection with the internal thread 14 of another group of sleeves.

The working principle is as follows: when the sleeve body 1 is sintered, the fixed ferrule 5 is put in advance, after the sintering is finished, the surface of the sleeve body 1 is coated with the filling layer 19, when the casing 2 is inserted, the filling layer 19 plays a role of adhesion and gap filling, when a plurality of sets of sleeves are combined with each other, firstly, a first buffer sealing element 7 and a second buffer sealing element 8 are installed, a first step 9 on the sleeve body 1 of one group of sleeves is inserted into a second step 15 of the other group of sleeves, and is screwed by means of the external thread 6 of the fixing collar 5 and the internal thread 14 of the other set of sleeves, through first buffering sealing member 7, second buffering sealing member 8 leakproofness is good in the whole pipeline of equipment back, also can play the cushioning effect, avoids 1 direct contact of two sets of sleeve pipe bodies of assembled to cause the fragility cracked, and the last flange 3 and the lower flange 4 of setting can let after multiunit sleeve pipe equipment connect more firmly, can weld also threaded connection.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Reaction sintering carborundum sleeve pipe, including sleeve pipe body (1), its characterized in that: casing body (1) outer wall fixedly connected with shell (2), shell (2) outer wall threaded connection has upper flange (3), lower flange (4), upper flange (3) threaded connection just is close to the position of upper end at shell (2) outer wall, lower flange (4) threaded connection just is close to the position of lower extreme at shell (2) outer wall, casing body (1) outer wall fixedly connected with retaining ring (5), shell (2) inboard is provided with internal thread (14), internal thread (14) set up in shell (2) inboard and be close to the position of lower extreme, be provided with filling layer (19) between shell (2) and casing body (1), casing body (1) upper end is provided with seal assembly, casing body (1) and shell (2) are any kind in straight tube or the return bend.

2. The reaction sintered silicon carbide sleeve of claim 1, wherein: the sleeve is characterized in that a first step (9) and a second step (15) are arranged on the sleeve body (1), the first step (9) is arranged at one end, close to the upper surface, of the outer wall of the sleeve body (1), and the second step (15) is arranged at one end, close to the lower surface, of the inner side of the sleeve body (1).

3. The reaction sintered silicon carbide sleeve of claim 2, wherein: the sealing assembly comprises a first buffer sealing element (7) and a second buffer sealing element (8), wherein a first sealing element mounting groove (17) and a second sealing element mounting groove (18) are formed in the upper surface of the sleeve body (1), the second sealing element mounting groove (18) is formed in the outer side of a first step (9), the first buffer sealing element (7) is fixedly connected to the inner side of the first sealing element mounting groove (17), and the second buffer sealing element (8) is fixedly connected to the inner side of the second sealing element mounting groove (18).

4. The reaction sintered silicon carbide sleeve of claim 1, wherein: the inner wall of the upper flange (3) is provided with a first mounting hole (11), and the upper surface of the upper flange (3) is provided with a positioning ring (10).

5. The reaction sintered silicon carbide sleeve of claim 4, wherein: the inner wall of the lower flange (4) is provided with a second mounting hole (12), the lower surface of the lower flange (4) is provided with a positioning ring groove (13), and the positioning ring groove (13) is matched with the positioning ring (10) in size.

6. The reaction sintered silicon carbide sleeve of claim 1, wherein: the sleeve is characterized in that a ferrule mounting groove (16) is formed in the outer wall of the sleeve body (1), the fixed ferrule (5) is fixedly connected to the inner side of the ferrule mounting groove (16), and an external thread (6) is formed in the outer wall of the fixed ferrule (5).