阅读说明：本技术 一种海鸥型复合防漏防脱合金管连接装置 (Seagull-shaped composite leakage-proof anti-drop alloy pipe connecting device ) 是由 董莉 张平 王海军 沈国兵 江锡徐 陈玉宝 高雄兵 华建斌 于 2021-08-10 设计创作，主要内容包括：本发明涉及双壁波纹管接头领域,具体公开一种海鸥型复合防漏防脱合金管连接装置,包括密封胶套和密封胶套锁紧机构,所述密封胶套锁紧机构设置在密封胶套的外侧,所述密封胶套锁紧机构用于将密封胶套锁紧密封在两个双壁波纹管的连接端上,所述密封胶套为环形,所述密封胶套的内壁面上分别设有与双壁波纹管连接端外壁面上的波峰、波谷相匹配的弧形凹槽和弧形凸起,所述弧形凸起底部一体连接有防脱凸起,当密封胶套与两个双壁波纹管的连接端密封连接时,所述防脱凸起的两侧与两个双壁波纹管的连接端面压紧密封连接,所述防脱凸起的底部与两个双壁波纹管的内壁压紧密封连接。本发明结构比现有通用承插式的接头防渗漏和防沉降效果好。(The invention relates to the field of double-wall corrugated pipe joints, in particular to a seagull-shaped composite leak-proof and anti-drop alloy pipe connecting device which comprises a sealing rubber sleeve and a sealing rubber sleeve locking mechanism, the sealing rubber sleeve locking mechanism is arranged on the outer side of the sealing rubber sleeve and used for locking and sealing the sealing rubber sleeve on the connecting end of the two double-wall corrugated pipes, the sealing rubber sleeve is annular, the inner wall surface of the sealing rubber sleeve is respectively provided with an arc groove and an arc bulge which are matched with the wave crest and the wave trough on the outer wall surface of the connecting end of the double-wall corrugated pipe, the bottom of the arc bulge is integrally connected with an anti-falling bulge, when the sealing rubber sleeve is connected with the connecting ends of the two double-wall corrugated pipes in a sealing manner, the two sides of the anti-falling bulge are connected with the connecting end surfaces of the two double-wall corrugated pipes in a pressing and sealing manner, and the bottom of the anti-falling bulge is connected with the inner walls of the two double-wall corrugated pipes in a pressing and sealing manner. Compared with the existing universal socket joint, the structure of the invention has better anti-leakage and anti-sedimentation effects.)

1. The utility model provides a compound leak protection anticreep alloy pipe connection device of gull type which characterized in that: the sealing rubber sleeve locking mechanism comprises a sealing rubber sleeve (1) and a sealing rubber sleeve locking mechanism (2), wherein the sealing rubber sleeve locking mechanism (2) is arranged on the outer side of the sealing rubber sleeve (1), the sealing rubber sleeve locking mechanism (2) is used for locking and sealing the sealing rubber sleeve (1) on the connecting end of two double-wall corrugated pipes (0), the sealing rubber sleeve (1) is annular, arc-shaped grooves (11) and arc-shaped bulges (12) which are matched with wave crests (01) and wave troughs (02) on the outer wall surface of the connecting end of the double-wall corrugated pipes (0) are respectively arranged on the inner wall surface of the sealing rubber sleeve (1), the bottom of each arc-shaped bulge (12) is integrally connected with an anti-falling bulge (13), when the sealing rubber sleeve (1) is in sealing connection with the connecting ends of the two double-wall corrugated pipes (0), the two sides of each anti-falling bulge (13) are tightly and hermetically connected with the connecting end surfaces of the two double-wall corrugated pipes (0), the bottom of the anti-falling bulge (13) is connected with the inner walls of the two double-wall corrugated pipes (0) in a pressing and sealing manner.

2. The seagull-shaped composite leakage-proof anti-drop alloy pipe connecting device according to claim 1, characterized in that: the sealing rubber sleeve (1) can be made of water-swelling rubber WSR or silica gel.

3. The seagull-shaped composite leakage-proof anti-drop alloy pipe connecting device according to claim 2, characterized in that: the anti-falling bulge (13) comprises a filling section (131) and an anti-falling section (132), the upper end of the filling section (131) is connected to the bottom of the arc-shaped bulge (12), the lower end of the filling section (131) is connected with the upper end of the anti-falling section (132), the filling section (131) is used for filling a gap (03) between the connection end faces, and the anti-falling section (132) is used for hermetically pressing the inner walls of the two double-wall corrugated pipes (0).

4. The seagull-shaped composite leakage-proof anti-drop alloy pipe connecting device according to claim 3, characterized in that: the anti-drop section (132) is T-shaped.

5. The seagull-shaped composite leakage-proof anti-drop alloy pipe connecting device according to claim 4, wherein: the anti-drop section (132) can absorb water and expand, and the inner side wall of the double-wall corrugated pipe (0) can be compressed after the T-shaped upper end absorbs water and expands.

6. The seagull-shaped composite leakage-proof anti-drop alloy pipe connecting device according to claim 1, characterized in that: the Shore A hardness of the sealing rubber sleeve (1) is 55-70 degrees.

7. The seagull-shaped composite leakage-proof anti-drop alloy pipe connecting device according to claim 1, characterized in that: the top surface of arc arch (12) is provided with anticreep recess (14), be provided with on sealed gum cover locking mechanism (2) with anticreep recess (14) assorted arch.

8. The seagull-shaped composite leakage-proof anti-drop alloy pipe connecting device according to claim 7, wherein: the gull-shaped anti-falling device is characterized in that the arc-shaped groove (11), the arc-shaped protrusion (12), the anti-falling protrusion (13) and the anti-falling groove (14) are integrally connected to form a gull shape.

9. The seagull-shaped composite leakage-proof and anti-drop alloy pipe connecting device according to claim 8, wherein: the sealing rubber sleeve locking mechanism (2) comprises two stainless steel semicircular hoops (21a) and locking bolts (22a), wherein the profiles of the outer walls of the sealing rubber sleeves are matched, and the two stainless steel semicircular hoops (21a) are locked on the outer wall of the sealing rubber sleeve (1) through the locking bolts (22 a).

10. The seagull-shaped composite leakage-proof and anti-drop alloy pipe connecting device according to claim 8, wherein: sealed gum cover locking mechanism (2) include a stainless steel arc thin wall clamp (21b) and adjusting bolt (22b), the curved opening both ends of stainless steel arc thin wall clamp (21b) are provided with installation piece (211b), adjusting bolt (22b) spiro union is in on installation piece (211b), the inner wall of stainless steel arc thin wall clamp (21b) and the outer wall shape phase-match of sealed gum cover (1), stainless steel arc thin wall clamp (21b) can curl, and changes the locking force size between stainless steel arc thin wall clamp (21b) and sealed gum cover (1) through the spiro union position of adjusting bolt (22b) and installation piece (211 b).

Technical Field

The invention relates to the field of double-wall corrugated pipe joints, in particular to a gull-shaped composite anti-leakage and anti-drop alloy pipe connecting device.

Background

The High Density Polyethylene (HDPE) double-wall corrugated pipe is also called double-wall corrugated pipe, and is a novel alloy pipe with an outer wall of an annular structure and a smooth inner wall, and the outer wall is corrugated.

The double-wall corrugated pipe is widely applied to engineering construction, a pipe network is formed by connecting the corrugated pipe section by section in the using process, the traditional connecting mode is mainly socket type connection, one or two sealing rings are sleeved on the socket end of the corrugated pipe and inserted into a socket during socket type connection, and during construction or using, due to the influence of foundation settlement, a certain angle is formed between the socket end and the socket end at the pipeline connecting part, so that a gap is formed between the sealing ring and the socket, the sealing effect cannot be achieved, water leakage is caused, meanwhile, a socket is required to be flared to form during pipeline production, the pipeline is too long and is not easy to move, the flaring process is complex, quality defects are easily generated at the flaring part, the product yield is influenced, the whole production process is complex, and the production cost is higher.

Therefore, the novel connecting device is urgently needed in the market of the current double-wall corrugated pipe, has the characteristics of high connection efficiency, leakage prevention and falling prevention, and can ensure that the influence of the settlement of the foundation is small in the pipeline construction and the use process.

Disclosure of Invention

The present invention is directed to a connecting device to solve the above-mentioned problems of the related art.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a compound leak protection anticreep alloy pipe connection device of sea gull type, includes sealed gum cover and sealed gum cover locking mechanism, sealed gum cover locking mechanism sets up the outside at sealed gum cover, sealed gum cover locking mechanism is used for sealed gum cover locking seal on the connection of two double-walled bellows, sealed gum cover is the annular, be equipped with respectively on the internal face of sealed gum cover with crest, trough assorted arc recess and arc arch on the outer wall of double-walled bellows connection end, arc protruding bottom an organic whole is connected with the anticreep arch, when the sealed gum cover was connected with the link sealing of two double-walled bellows, the bellied both sides of anticreep compress tightly sealing connection with the connection terminal surface of two double-walled bellows, the bellied bottom of anticreep compresses tightly sealing connection with the inner wall of two double-walled bellows.

As a further scheme of the invention: the sealing rubber sleeve can be made of water-absorbing expansion rubber WSR or silica gel.

As a still further scheme of the invention: the anti-falling bulge comprises a filling section and an anti-falling section, the upper end of the filling section is connected to the bottom of the arc bulge, the lower end of the filling section is connected with the upper end of the anti-falling section, the filling section is used for filling a gap between the connection end faces, and the anti-falling section is used for sealing and compressing the inner walls of the two double-wall corrugated pipes.

As a still further scheme of the invention: the anti-drop section is T-shaped.

As a still further scheme of the invention: the anti-drop section can absorb water and expand, and the inner side wall of the double-wall corrugated pipe can be compressed after the T-shaped upper end absorbs water and expands.

As a still further scheme of the invention: the Shore A hardness of the sealing rubber sleeve is 55-70 degrees.

As a still further scheme of the invention: the bellied top surface of arc is provided with the anticreep recess, sealed gum cover locking mechanism is last be provided with anticreep recess assorted arch.

As a still further scheme of the invention: the arc-shaped groove, the arc-shaped protrusion, the anti-falling protrusion and the anti-falling groove are integrally connected to form a gull shape.

As a still further scheme of the invention: the sealing rubber sleeve locking mechanism comprises two stainless steel semicircular hoops a and locking bolts a, wherein the profiles of the outer walls of the sealing rubber sleeves are matched, and the two stainless steel semicircular hoops a are locked on the outer walls of the sealing rubber sleeves through the locking bolts a.

As a still further scheme of the invention: sealed gum cover locking mechanism includes a stainless steel arc thin wall clamp b and adjusting bolt b, the curved opening both ends of stainless steel arc thin wall clamp b are provided with installation piece b, adjusting bolt b spiro union is in on the installation piece b, the inner wall of stainless steel arc thin wall clamp b and the outer wall shape phase-match of sealed gum cover, stainless steel arc thin wall clamp b can curl, and changes the locking force size between stainless steel arc thin wall clamp b and sealed gum cover through adjusting bolt b and installation piece b's spiro union position.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the arc-shaped grooves and the arc-shaped bulges are matched with the wave crests and the wave troughs at the joints of the two double-wall corrugated pipes in a one-to-one correspondence manner, so that a first seal is formed after the two double-wall corrugated pipes are locked by the sealing rubber sleeve locking mechanism, and the joints of the two double-wall corrugated pipes are not communicated with the external space

2. According to the invention, the gap between the connecting ends of the two double-wall corrugated pipes is filled and sealed through the filling section of the anti-falling bulge to form a second seal.

3. In the invention, the inner side of the upper end of the T-shaped anti-falling end of the anti-falling bulge is tightly pressed on the inner walls of the two double-wall corrugations to form a third seal, thereby playing a role of sealing the communication between the pipeline gap and the internal space of the pipeline.

4. In the invention, through the three seals, in addition, because the sealing rubber sleeve is made of water-absorbing materials, the sealing and anti-falling effects of water absorption expansion of the anti-falling section can be further improved, and the sealing rubber sleeve has elasticity and can expand, so that when the land subsides slightly, the three seals can be expanded and extruded and can generate elastic deformation to eliminate gaps caused by the land subsidence, and the anti-leakage or anti-land subsidence effect can be integrally improved.

Drawings

FIG. 1 is a schematic view of a prior art female connection;

FIG. 2 is a schematic view of a gull-shaped composite anti-leakage and anti-drop alloy pipe connection device according to the present invention;

FIG. 3 is an enlarged view of the joint of the sealant sleeve of the present invention;

FIG. 4 is a schematic cross-sectional view of a sealant sleeve according to the present invention;

FIG. 5 is an enlarged view of the point A in FIG. 4;

FIG. 6 is a schematic view of the attachment of the locking mechanism of the sealant sleeve according to the first embodiment;

FIG. 7 is a schematic view of the attachment of the locking mechanism of the sealant sleeve in accordance with the second embodiment;

FIG. 8 is a schematic view showing the connection of a socket type connector in the prior art;

FIG. 9 is a schematic connection diagram of a gull-shaped composite anti-leakage and anti-drop alloy pipe in an experiment;

FIG. 10 is a water seepage amount recording table obtained after an experiment of a socket type connecting device in the background art;

FIG. 11 is a chart showing the water permeability of gull-shaped composite anti-leakage and anti-drop alloy pipe according to the present invention.

In the figure: 0. a double-walled bellows; 01. wave crest; 02. a trough of a wave; 03. a gap; 04. a female end; 05. a socket end; 06. a seal ring; 1. sealing the rubber sleeve; 11. an arc-shaped groove; 12. an arc-shaped bulge; 13. the anti-drop bulge; 131. a filling section; 132. an anti-drop section; 14. an anti-drop groove; 2. a sealing gum cover locking mechanism; 21a, a stainless steel semicircular hoop; 22a, a locking bolt; 21b, stainless steel arc thin-wall hoops; 211b, mounting blocks; 22b, adjusting bolts.

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.

Comparative example I referring to fig. 1, in a specific embodiment of a socket type coupling device in the prior art, in use, two connected double-wall corrugated pipes 0 are formed by flaring a to-be-connected end of one pipe to form a female end 04, flaring a to-be-connected end of the other pipe to form a female end 05, and sleeving a plurality of sealing rings 06 on the female end 05, wherein the female end 05 is inserted into the female end 04 and is sealed by the sealing rings 06.

In the first embodiment, referring to fig. 2 to 6, in this embodiment, a seagull-shaped composite anti-leakage and anti-drop alloy pipe connecting device includes a sealing rubber sleeve 1 and a sealing rubber sleeve locking mechanism 2, the sealing rubber sleeve locking mechanism 2 is disposed at the outer side of the sealing rubber sleeve 1, the sealing rubber sleeve locking mechanism 2 is used for locking and sealing the sealing rubber sleeve 1 on the connecting end of two double-wall corrugated pipes 0, the sealing rubber sleeve 1 is ring-shaped, an arc-shaped groove 11 and an arc-shaped protrusion 12 are respectively disposed on the inner wall surface of the sealing rubber sleeve 1 and are matched with a wave crest 01 and a wave trough 02 on the outer wall surface of the connecting end of the double-wall corrugated pipes 0, the bottom of the arc-shaped protrusion 12 is integrally connected with an anti-drop protrusion 13, when the sealing rubber sleeve 1 is connected with the connecting ends of the two double-wall corrugated pipes 0 in a sealing manner, the two sides of the anti-falling protrusions 13 are connected with the connecting end surfaces of the two double-wall corrugated pipes 0 in a pressing and sealing manner, and the bottoms of the anti-falling protrusions 13 are connected with the inner walls of the two double-wall corrugated pipes 0 in a pressing and sealing manner.

The sealing rubber sleeve 1 can be made of water-swelling rubber WSR or silica gel.

Protruding 13 of anticreep is including filling section 131 and anticreep section 132, and the bottom at the arch 12 of arc is connected to the upper end of filling section 131, and the lower extreme of filling section 131 is connected with anticreep section 132's upper end, and filling section 131 is used for filling the gap 03 between the connection terminal surface, and anticreep section 132 is used for the sealed inner wall that compresses tightly two double-walled bellows 0.

The anti-slip section 132 has a "T" shape.

The anti-drop section 132 can absorb water and expand, and the upper end of the T shape can compress the inner side wall of the double-wall corrugated pipe 0 after absorbing water and expanding.

The Shore A hardness of the sealing rubber sleeve 1 is 55-70 degrees.

The top surface of the arc-shaped bulge 12 is provided with an anti-falling groove 14, and the sealing rubber sleeve locking mechanism 2 is provided with a bulge matched with the anti-falling groove 14.

The arc-shaped groove 11, the arc-shaped protrusion 12, the anti-falling protrusion 13 and the anti-falling groove 14 are integrally connected to form a gull shape.

The sealing rubber sleeve locking mechanism 2 comprises two stainless steel semicircular hoops 21a and locking bolts 22a, wherein the profiles of the outer walls of the sealing rubber sleeves are matched, and the two stainless steel semicircular hoops 21a are locked on the outer wall of the sealing rubber sleeve 1 through the locking bolts 22 a.

When in use, the arc-shaped groove 11 and the arc-shaped protrusion 12 are matched with the wave crests 01 and the wave troughs 02 at the joint of the two double-wall corrugated pipes 0 in a one-to-one correspondence manner, so that after being locked by the locking bolt 22a, a first seal is formed, the joint of the two double-wall corrugated pipes 0 is not communicated with the external space, the gap 03 between the connecting ends of the two double-wall corrugated pipes 0 is filled and sealed by the filling section 131 of the anti-dropping protrusion 13 to form a second seal, the inner side of the T-shaped upper end of the anti-dropping end 132 of the anti-dropping protrusion 13 is tightly pressed on the inner walls of the two double-wall corrugations to form a third seal, the effect of communicating the gap of the sealed pipeline with the internal space of the pipeline is achieved, in addition, the sealing rubber sleeve 1 is made of a water absorption material, the sealing and anti-dropping effects of water absorption expansion of the anti-dropping section 132 can be further increased, the sealing rubber sleeve 1 has elasticity and can expand, therefore, when the land subsides slightly, three sealed places can all expand and extrude and take place elastic deformation and eliminate the clearance that the land subsides and bring, also can wholly increase the effect of antiseep or preventing the land subsides.

In the second embodiment, referring to fig. 2 to 7, on the basis of the first embodiment, another structure of the sealant sleeve locking mechanism 2 is used, wherein the sealant sleeve locking mechanism 2 includes a stainless steel arc-shaped thin-wall hoop 21b and an adjusting bolt 22b, mounting blocks 211b are arranged at two ends of an arc-shaped opening of the stainless steel arc-shaped thin-wall hoop 21b, the adjusting bolt 22b is screwed on the mounting blocks 211b, the inner wall of the stainless steel arc-shaped thin-wall hoop 21b is matched with the outer wall of the sealant sleeve 1 in shape, the stainless steel arc-shaped thin-wall hoop 21b can be curled, and the locking force between the stainless steel arc-shaped thin-wall hoop 21b and the sealant sleeve 1 is changed by adjusting the screwing position of the bolt 22b and the mounting blocks 211 b.

When the corrugated pipe joint sealing device is used, the sealing rubber sleeve 1 drives the stainless steel arc-shaped thin-wall hoop 21b by adjusting the adjusting bolt 22b, the stainless steel arc-shaped thin-wall hoop is locked after being curled, and then the joint of the two double-wall corrugated pipes 0 is sealed through the sealing rubber sleeve 1.

Referring to fig. 8 and 9, a water leakage experiment is performed on a double-wall corrugated pipe in a first comparative example, which is connected in a socket-and-spigot manner, and a double-wall corrugated pipe in a direct connection manner through a gull-shaped composite leakage-proof and anti-drop alloy pipe connecting device in a first embodiment (the experimental method is the prior art, namely a water test pipe with the length of about 2m is taken to be made into an experimental pipe head with one sealed end, the middle is connected through the socket-and-spigot type joint or the gull-shaped composite leakage-proof and anti-drop alloy pipe connecting device, and then the water seepage amount is observed and measured at regular time), so that a comparison table of the leakage-proof effects of the two double-wall corrugated pipes can be obtained, and as shown in fig. 10 and 11, it is difficult to see that the gull-shaped composite leakage-proof and anti-drop alloy pipe connecting device can further improve the leakage-proof performance of the two double-wall corrugated pipe connecting devices.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.