CN210978851U - Direct insertion type pipe connecting device for connecting adjacent pipes - Google Patents
Direct insertion type pipe connecting device for connecting adjacent pipes Download PDFInfo
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- CN210978851U CN210978851U CN201921861446.8U CN201921861446U CN210978851U CN 210978851 U CN210978851 U CN 210978851U CN 201921861446 U CN201921861446 U CN 201921861446U CN 210978851 U CN210978851 U CN 210978851U
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Abstract
The utility model relates to a cut straightly formula tubular product connecting device for connecting adjacent tubular product. The pipe comprises a pipe body and a tubular socket section; the direct insertion type pipe connecting device comprises a direct insertion type tubular connector, a sealing ring and an anti-falling part, wherein the direct insertion type tubular connector comprises a tubular connector body and two socket sections; each socket section is provided with a sealing ring mounting groove and an anti-drop part mounting groove, and each socket section comprises a clamping section, a sealing connection section and a connection section; the sealing receiving section is provided with a first conical sealing section, and the anti-falling part comprises an anti-falling body and an elastic anti-falling body. The utility model discloses a sealed section of accepting and sealing washer tight fit, the automatic roof pressure of elasticity anticreep body through locating the peripheral part of anticreep piece has effectively prevented that the sealing washer from driving the tubular product axial and kick-backed in sealed spacing joint recess of accepting between section and the joint section, and simple to operate has not only guaranteed sealed effect moreover, even later stage geology subsides can not throw off long service life yet.
Description
Technical Field
The utility model relates to a sealed field is connected to tubular product, is a cut straightly formula tubular product connecting device who is used for connecting adjacent tubular product very much.
Background
The corrugated pipe has the advantages of good pressure resistance, low construction cost, light weight, quick and convenient construction and the like, and is widely applied to the field of drainage. For convenient transportation, the length of each section of corrugated pipe cannot be too long, and the sections of corrugated pipe are transported to a construction site and then connected. The connection mode of the existing corrugated pipe is generally plug-in type or flange connection type. The plug-in type connection mode is as follows: and installing a rubber sealing ring at the second wave trough of the socket section, coating a lubricant, and then directly inserting the socket, wherein the socket needs to be in the reverse water flow direction and the socket section needs to be in the water flow direction. According to the connection mode, the sealing ring is elastic, after the sealing ring is inserted, the sealing ring can drive the pipe to rebound axially, so that the sealing effect is poor, and in addition, the pipe can be pulled due to geological settlement in the later period, so that the pipe is separated. The flange connection mode requires a plurality of connecting parts such as flanges and bolt assemblies, and is troublesome to install and high in engineering cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a cut straightly formula tubular product connecting device for connecting adjacent tubular product, this connecting device utilizes a cut straightly formula tubulose to connect can two sections tubular product of high-speed joint, the bellmouth section at cut straightly formula tubulose joint both ends all is equipped with the linking section, sealed section and the joint section of accepting, be equipped with sealing washer and anticreep piece in the socket section of tubular product, the socket section is pegged graft in the bellmouth section back that targets in place, sealed section and the sealing washer tight fit of accepting, anticreep piece prevent through the elasticity anticreep body automatic roof pressure of locating the peripheral part in sealed spacing joint recess of accepting between section and the joint section, effectively prevented that the sealing washer from driving tubular product axial kick-back, and simple to operate, and guarantee sealed effect, even later stage geology subsides.
The utility model discloses a following technical scheme realizes:
a formula tubular product connecting device cut straightly for connecting adjacent tubular product which characterized in that: the pipe comprises a pipe body and a tubular socket section fixedly connected to the end part of the pipe body;
the direct-insert type pipe connecting device comprises a direct-insert type tubular connector, a sealing ring and an anti-falling piece, wherein the direct-insert type tubular connector comprises a tubular connector body, two tubular socket sections which are respectively connected to the two axial ends of the connector body and are respectively matched and connected with socket sections of pipes on the corresponding sides, the sealing ring is respectively arranged between the outer peripheral wall of each socket section and the inner peripheral wall of each socket section which are matched and connected, and the anti-falling piece is respectively arranged between the outer peripheral wall of each socket section and the inner peripheral wall of each socket section which are matched and connected;
the outer peripheral wall of each socket section is provided with a sealing ring mounting groove which is arranged around the outer peripheral wall and used for mounting a sealing ring and an anti-falling part mounting groove used for mounting an anti-falling part, the sealing ring mounting groove is positioned at the position close to the outer port of the socket section, and the anti-falling part mounting groove is positioned at the position far away from the outer port of the socket section;
each bellmouth section comprises a clamping section, a sealing bearing section and a connecting section which are sequentially arranged from the outer port of the bellmouth section to the position far away from the outer port; the connecting section is used for connecting the socket section and the joint body;
the sealing ring is installed in the sealing ring installation groove in a tight fit mode, the outer peripheral portion of the sealing ring is exposed out of the sealing ring installation groove, at least one part of the inner peripheral wall of the sealing bearing section is a first conical sealing section used for being connected with the outer peripheral wall of the sealing ring in a tight fit mode, and the inner diameter of the pipe wall of the first conical sealing section, close to the outer port of the bellmouth section, is larger than that of the pipe wall of the first conical sealing section, far away from the outer port of; the outer diameter of the outer peripheral wall of the sealing ring is slightly larger than or slightly smaller than or equal to the inner diameter of the pipe wall between one end of the first conical sealing section, which is close to the outer port of the bell mouth section, and the outer diameter of the pipe wall between the other end of the first conical sealing section, which is far away from the outer port of the bell mouth section, so that the sealing ring can enter the bell mouth section and can be matched with;
sealed accepting the section is equipped with the spacing joint recess that the cell wall internal diameter is greater than joint section pipe wall internal diameter at its position that links up with the joint section, anticreep piece sets firmly in anticreep body periphery wall and exposes the elasticity anticreep body of anticreep piece mounting groove including anticreep body and more than one that can fixed mounting in anticreep piece mounting groove, thereby elasticity that elasticity anticreep body has makes it can contract when receiving to press or laminate on the anticreep body and make the anticreep piece can follow the socket section and reach spacing joint recess position through the joint section, later can reset tightly and make socket section axial deviate from relatively in spacing joint recess under self elastic action.
Preferably, the anti-drop body is annular, the elastic anti-drop bodies are arc-shaped sheets, the number of the elastic anti-drop bodies is more than two, and the elastic anti-drop bodies are sequentially distributed along the circumferential direction of the outer circumferential wall of the anti-drop body; the bottom of each elastic anti-falling body is fixedly connected to the anti-falling body, and the elastic anti-falling body gradually inclines towards the direction far away from the axial lead in the process of extending from the fixed connection part to the direction far away from the outer port of the socket section; spacing joint recess is cyclic annular, and its one side cell wall that is close to the joint section supports the wall for being used for supporting the toper of pressing with the cooperation of elasticity anticreep body, and this toper supports and presses the wall and is close to the pipe wall internal diameter of bellmouth section outer port department and be less than the pipe wall internal diameter of keeping away from bellmouth section outer port department.
Preferably, the anti-falling body consists of two semicircular rings, and the two semicircular rings are connected with each other through bolts and fixed in the anti-falling part mounting groove. The anti-drop body can also be composed of more than three arc-shaped pieces.
Preferably, grooves are formed in the end faces of two axial sides of the sealing ring and the peripheral wall of the sealing ring.
Preferably, the tubular product body of tubular product is the bellows that the periphery wall is crest and trough and sets up in proper order in turn along the axial direction. The pipe can also be a flat-wall pipe, a spiral corrugated pipe, a hollow cylindrical pipe or a hollow square pipe or a pipe with other shapes, and is not limited to a corrugated pipe.
Preferably, the periphery wall of socket section is the ripple structure that crest and trough set gradually in turn set up for following axial direction of extension, sealing washer mounting groove comprises that the socket section is close to a trough of outer port, anticreep spare mounting groove comprises that one of them trough of outer port is kept away from by the socket section.
Preferably, the joint section includes that the parallel axial is connected and the annular that the outer port direction of bellmouth section is extended to being close to with spacing joint recess cell wall and connect in annular and connect wall outside one end and the guide wall of the external port extension in-process bore crescent.
Preferably, the inner diameter of the pipe wall of the connecting section is gradually reduced in the process of extending from the position close to the outer port of the socket section to the position far away from the outer port of the socket section.
Preferably, the inner peripheral wall of the seal receiving section is formed by connecting the first conical seal section and a second conical seal section connected between the first conical seal section and the conical abutting wall, and the taper of the first conical seal section is smaller than that of the second conical seal section. The taper of the first tapered sealing section may also be consistent with the taper of the second tapered sealing section.
Preferably, the socket section still includes the annular protection tube of connecting in the joint section axial outside, the inner wall pipe diameter of annular protection tube is greater than the external diameter at the crest position of tubular product body.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model provides a direct-insert type pipe connecting device for connecting adjacent pipes, the connecting structure utilizes a direct-insert type tubular joint to quickly connect two sections of pipes, the bellmouth sections at the two ends of the direct-insert type tubular joint are provided with a connecting section, a sealing bearing section and a clamping section, a sealing ring and an anti-dropping part are arranged on the spigot section of the pipe, after the spigot section is inserted in the bell mouth section in place, the sealing bearing section is tightly matched with the sealing ring, the anti-dropping part automatically pushes and presses a limiting clamping groove between the sealing bearing section and the clamping section through an elastic anti-dropping body arranged at the peripheral part, the axial rebound of the pipe driven by the sealing ring is effectively prevented, the mounting is convenient, the sealing effect is ensured, even the later-stage geological settlement can not be dropped, and the service life is;
(2) the direct-insertion type pipe connecting device for connecting adjacent pipes, which is provided by the utility model, has reasonable structural design, so that the socket section can be easily inserted into the socket section, thereby greatly facilitating the installation;
(3) the utility model provides a directly inserting type pipe connecting device for connecting adjacent pipes, the clamping section also comprises a connecting wall and a guide wall, the guide wall is convenient for inserting the socket section, and the annular connecting wall can further improve the anti-dropping effect;
(4) the utility model provides a direct insertion type pipe connecting device for connecting adjacent pipes, an annular body consists of two semicircular rings (or a plurality of arc-shaped sheets), the installation on the trough is convenient, and the connection and the fixation are firm by adopting bolts;
(5) the utility model provides a direct insertion type pipe connecting device for connecting adjacent pipes, the end faces at two axial sides and the peripheral wall of the sealing ring are both provided with grooves, thus further enhancing the sealing effect;
(6) the utility model provides a cut straightly formula tubular product connecting device for connecting adjacent tubular product only needs one to cut straightly formula tubulose joint, two sealing washers and two anticreep pieces and can connect two sections tubular products, simple structure, low in manufacturing cost, performance is reliable, and is sealed effectual, easily popularizes and applies.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a first embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
fig. 3 is a schematic three-dimensional explosion diagram according to a first embodiment of the present invention;
FIG. 4 is a schematic view of the construction of the release preventing member of FIG. 3;
fig. 5 is a schematic structural view of a sealing ring in the second embodiment of the present invention;
fig. 6 is a schematic sectional structure diagram of a third embodiment of the present invention.
The symbols in the drawings illustrate that:
the pipe fitting comprises a 1-pipe, a 11-pipe body, a 12-socket section, a 121-sealing ring mounting groove, a 122-anti-falling part mounting groove, a 3-direct-insertion type tubular joint, a 31-tubular joint body, a 32-socket section, a 321-joining section, a 322-sealing bearing section, a 3221-first conical sealing section, a 3222-second conical sealing section, a 323-clamping section, a 3231-annular connecting wall, a 3232-guide wall, a 324-limiting clamping groove, a 3241-conical pressing wall, a 325-annular protection pipe, a 4-sealing ring, a 41-groove, a 5-anti-falling part, a 51-anti-falling body and a 52-elastic anti-falling body.
Detailed Description
The invention is further described with reference to the following detailed description and the accompanying drawings.
Example 1:
a formula tubular product connecting device cut straightly for connecting adjacent tubular product which characterized in that: the pipe 1 comprises a pipe body 11 and a tubular socket section 12 fixedly connected to the end part of the pipe body 11;
the direct-insert type pipe connecting device comprises a direct-insert type tubular connector 3, wherein the direct-insert type tubular connector 3 comprises a tubular connector body 31, two tubular socket sections 32 which are respectively connected to the two axial ends of the connector body 31 and used for being respectively matched and connected with socket sections 12 of pipes 1 on the corresponding sides, sealing rings 4 which are respectively arranged between the outer peripheral wall of each group of socket sections 12 which are matched and connected and the inner peripheral wall of each socket section 32, and anti-falling parts 5 which are respectively arranged between the outer peripheral wall of each group of socket sections 12 which are matched and connected and the inner peripheral wall of each socket section 32;
the peripheral wall of each socket section 12 is provided with a sealing ring mounting groove 121 for mounting a sealing ring 4 and an anti-falling part mounting groove 122 for mounting an anti-falling part 5, which are arranged around the peripheral wall, the sealing ring mounting groove 121 is positioned close to the outer port of the socket section 12, and the anti-falling part mounting groove 122 is positioned far away from the outer port of the socket section 12;
each socket section 32 comprises a clamping section 323, a sealing bearing section 322 and a connecting section 321 which are sequentially arranged from the outer port to the position far away from the outer port; the connecting section 321 is used for connecting the socket section 32 and the joint body 31;
the sealing ring 4 is tightly installed in the sealing ring installation groove 121 in a matching manner, the outer peripheral part of the sealing ring installation groove 121 is exposed out of the outer peripheral part of the sealing ring 4, at least one part of the inner peripheral wall of the sealing receiving section 322 is a first conical sealing section 3221 used for being tightly connected with the outer peripheral wall of the sealing ring 4 in a matching manner, and the inner diameter of the pipe wall of the first conical sealing section 3221 close to the outer port of the port section 32 is larger than that of the pipe wall far away from the outer port of the port section 32; the outer diameter of the outer peripheral wall of the sealing ring 4 is slightly larger than or equal to the inner diameter of the pipe wall between the end, close to the outer port of the socket section 32, of the first conical sealing section 3221 and the outer port of the socket section 32, and is larger than the inner diameter of the pipe wall at the other end, far away from the outer port of the socket section 32, of the first conical sealing section 3221, so that the sealing ring 4 can enter the socket section 32 and can be matched with the first conical sealing section 3221 to realize the tight-fit sealing effect;
sealed section 322 of accepting is equipped with spacing joint recess 324 that the cell wall internal diameter is greater than joint section 323 pipe wall internal diameter at its position that links up with joint section 323, anticreep piece 5 sets firmly in anticreep body 51 periphery wall and exposes the elasticity anticreep body 52 of anticreep piece mounting groove 122 including anticreep body 51 and more than one that can fixed mounting in anticreep piece mounting groove 122, thereby elasticity that elasticity anticreep body 52 has makes it can contract or laminate on anticreep body 51 when receiving to press thereby make anticreep piece 5 can follow socket section 12 and reach spacing joint recess 324 place position through joint section 323, later can reset under self elastic action and support tightly in spacing joint recess 324 and make socket section 12 can not hold the mouth section 32 axial and deviate from relatively.
Preferably, the anti-drop body 51 is annular, the elastic anti-drop bodies 52 are arc-shaped sheets, and the number of the elastic anti-drop bodies is more than two and the elastic anti-drop bodies are sequentially arranged along the circumferential direction of the outer circumferential wall of the anti-drop body 51; the bottom of each elastic anti-release body 52 is fixedly connected to the anti-release body 51, and the elastic anti-release body 52 gradually inclines towards the direction far away from the axial lead in the process of extending from the fixed connection part to the direction far away from the outer port of the socket section 12; the limiting clamping groove 324 is annular, a groove wall on one side of the limiting clamping groove, which is close to the clamping section 323, is a tapered abutting wall 3241 for abutting against the elastic anti-release body 52 in a matching manner, and the inner diameter of a pipe wall of the tapered abutting wall 3241, which is close to the outer port of the socket section 32, is smaller than the inner diameter of a pipe wall of the pipe wall, which is far away from the outer port of the socket section 32.
Preferably, the anti-slip body 51 is composed of two semicircular rings, which are connected to each other by bolts and fixed in the anti-slip member mounting groove 122. The anti-dropping body 51 may also be composed of more than three arc-shaped pieces.
Preferably, the tube body 11 of the tube 1 is a corrugated tube with the outer peripheral wall being alternately arranged in the wave crest and the wave trough along the axial direction. The pipe 1 may also be a flat-wall pipe, a helical bellows, a hollow cylindrical pipe, a hollow square pipe or a pipe with other shapes, and is not limited to a bellows.
Preferably, the outer peripheral wall of the socket section 12 is a corrugated structure with wave crests and wave troughs alternately arranged in sequence along the axial extension direction, the sealing ring mounting groove 121 is formed by one wave trough of the socket section 12 close to the outer port, and the anti-falling part mounting groove 122 is formed by one wave trough of the socket section 12 far away from the outer port.
Preferably, the clamping section 323 comprises an annular connecting wall 3231 connected with the groove wall of the limit clamping groove 324 and extending in a direction parallel to the axial direction and close to the outer port of the socket section 32, and a guide wall 3232 connected to one end of the outer side of the annular connecting wall 3231 and having an increasing caliber in the process of extending to the outer port.
Preferably, the inner diameter of the pipe wall of the engaging section 321 gradually decreases from the outer port close to the socket section 32 to the direction away from the outer port of the socket section 32.
Example two:
as shown in fig. 5, the present embodiment is different from the first embodiment in that: preferably, grooves 41 are formed on both axial end faces and the outer peripheral wall of the seal ring 4.
Example three:
as shown in fig. 6, the present embodiment is different from the first embodiment in that: preferably, the inner peripheral wall of the seal receiving section 322 is formed by connecting the first tapered sealing section 3221 and a second tapered sealing section 3222 connected between the first tapered sealing section 3221 and the tapered pressing wall 3241, and the taper of the first tapered sealing section 3221 is smaller than that of the second tapered sealing section 3222.
Preferably, the socket section 32 further includes an annular protection pipe 325 connected to the axial outer side of the clamping section 323, and the pipe diameter of the inner wall of the annular protection pipe 325 is greater than the outer diameter of the wave crest portion of the pipe body 11.
While the present invention has been shown and described with reference to particular embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the invention. It is understood, therefore, that the invention is not to be limited, except as by the appended claims and their equivalents.
Claims (10)
1. A formula tubular product connecting device cut straightly for connecting adjacent tubular product which characterized in that: the pipe (1) comprises a pipe body (11) and a tubular socket section (12) fixedly connected to the end part of the pipe body (11);
the direct-insert type pipe connecting device comprises a direct-insert type tubular connector (3), the direct-insert type tubular connector (3) comprises a tubular connector body (31), two tubular socket sections (32) which are respectively connected to the two axial ends of the connector body (31) and used for being respectively matched and connected with socket sections (12) of pipes (1) on the corresponding sides, sealing rings (4) which are respectively arranged between the outer peripheral wall of each group of socket sections (12) which are matched and connected with each other and the inner peripheral wall of each socket section (32) and anti-falling pieces (5) which are respectively arranged between the outer peripheral wall of each group of socket sections (12) which are matched and connected with each other and the inner peripheral wall of each socket section (32);
the outer peripheral wall of each socket section (12) is provided with a sealing ring mounting groove (121) which is arranged around the outer peripheral wall and used for mounting a sealing ring (4) and an anti-falling part mounting groove (122) used for mounting an anti-falling part (5), the sealing ring mounting groove (121) is positioned close to the outer port of the socket section (12), and the anti-falling part mounting groove (122) is positioned far away from the outer port of the socket section (12);
each socket section (32) comprises a clamping section (323), a sealing bearing section (322) and a connecting section (321) which are sequentially arranged from the outer port to the position far away from the outer port; the connecting section (321) is used for connecting the socket section (32) and the joint body (31);
the sealing ring (4) is installed in the sealing ring installation groove (121) in a tight fit mode, the outer peripheral portion of the sealing ring installation groove (121) is exposed out of the outer peripheral portion of the sealing ring installation groove, at least one part of the inner peripheral wall of the sealing bearing section (322) is a first conical sealing section (3221) used for being connected with the outer peripheral wall of the sealing ring (4) in a tight fit mode, and the inner diameter of the pipe wall, close to the outer port of the bearing port section (32), of the first conical sealing section (3221) is larger than the inner diameter of the pipe wall, far away from the outer;
the part of the sealing bearing section (322) which is connected with the clamping section (323) is provided with a limiting clamping groove (324) the inner diameter of the groove wall of which is larger than the inner diameter of the pipe wall of the clamping section (323), the anti-release piece (5) comprises an anti-release body (51) which can be fixedly arranged in the anti-release piece mounting groove (122) and more than one elastic anti-release body (52) which is fixedly arranged on the peripheral wall of the anti-release body (51) and exposes out of the anti-release piece mounting groove (122), elasticity that elasticity anticreep body (52) have makes it can contract or laminate on anticreep body (51) when receiving to press thereby make anticreep spare (5) can follow socket section (12) and pass through joint section (323) and reach spacing joint recess (324) position, later can reset under self elastic action and support tightly in spacing joint recess (324) and make socket section (12) can not deviate from relatively socket section (32) axial.
2. An in-line pipe coupling according to claim 1, wherein: the anti-drop body (51) is annular, the elastic anti-drop bodies (52) are arc-shaped sheets, the number of the elastic anti-drop bodies is more than two, and the elastic anti-drop bodies are sequentially distributed along the circumferential direction of the outer circumferential wall of the anti-drop body (51); the bottom of each elastic anti-falling body (52) is fixedly connected to the anti-falling body (51), and the elastic anti-falling bodies (52) gradually incline to the direction far away from the axial lead in the process of extending from the fixed connection part to the direction far away from the outer port of the socket section (12); the limiting clamping groove (324) is annular, a groove wall on one side, close to the clamping section (323), of the limiting clamping groove is a conical abutting-pressing wall (3241) which is used for being matched with the elastic anti-falling body (52) to abut against, and the inner diameter of a pipe wall, close to the outer port of the socket section (32), of the conical abutting-pressing wall (3241) is smaller than the inner diameter of a pipe wall, far away from the outer port of the socket section (32).
3. An in-line pipe coupling according to claim 2, wherein: the anti-falling body (51) is composed of two semicircular rings, and the two semicircular rings are connected with each other through bolts and fixed in the anti-falling part mounting groove (122).
4. An in-line pipe coupling according to claim 1, wherein: and grooves (41) are formed in the end faces of two axial sides of the sealing ring (4) and the peripheral wall.
5. An in-line pipe coupling according to claim 1, wherein: the corrugated pipe is characterized in that a pipe body (11) of the pipe (1) is a corrugated pipe with wave crests and wave troughs alternately arranged in sequence along the axial direction.
6. An in-line pipe connecting device for connecting adjacent pipes according to any one of claims 1 to 5 wherein: the utility model discloses a sealing washer, including socket section (12), sealing washer mounting groove (121), anticreep spare mounting groove (122) are kept away from outer port's one of them trough by socket section (12) and constitute, the periphery wall of socket section (12) is the ripple structure that crest and trough set up in proper order in turn for being along axial direction of extension, sealing washer mounting groove (121) constitute by socket section (12) are close to outer port's a trough, anticreep spare mounting groove (122) constitute by socket section (.
7. An in-line pipe connecting device for connecting adjacent pipes according to any one of claims 1 to 5 wherein: the clamping section (323) comprises an annular connecting wall (3231) which is connected with the groove wall of the limiting clamping groove (324) and extends in the direction of the outer port close to the socket section (32) in the parallel axial direction, and a guide wall (3232) which is connected with one end of the outer side of the annular connecting wall (3231) and has a gradually increased caliber in the extending process of the outer port.
8. An in-line pipe connecting device for connecting adjacent pipes according to any one of claims 1 to 5 wherein: the inner diameter of the pipe wall of the connecting section (321) is gradually reduced in the process of extending from the outer port close to the socket section (32) to the direction far away from the outer port of the socket section (32).
9. An in-line pipe connecting device for connecting adjacent pipes according to any one of claims 1 to 5 wherein: the inner peripheral wall of the seal receiving section (322) is formed by connecting the first conical seal section (3221) and a second conical seal section (3222) connected between the first conical seal section (3221) and the conical pressing wall (3241), and the taper of the first conical seal section (3221) is smaller than that of the second conical seal section (3222).
10. An in-line pipe connecting device for connecting adjacent pipes according to claim 5, wherein: the socket section (32) further comprises an annular protection pipe (325) connected to the axial outer side of the clamping section (323), and the pipe diameter of the inner wall of the annular protection pipe (325) is larger than the outer diameter of the wave crest of the pipe body (11).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921440356 | 2019-08-30 | ||
| CN2019214403561 | 2019-08-30 |
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| Publication Number | Publication Date |
|---|---|
| CN210978851U true CN210978851U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921861446.8U Active CN210978851U (en) | 2019-08-30 | 2019-10-31 | Direct insertion type pipe connecting device for connecting adjacent pipes |
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| CN (1) | CN210978851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673840A (en) * | 2022-02-25 | 2022-06-28 | 安徽宝立华机械设备有限公司 | High-pressure sealing joint and connecting method thereof |
| CN114754204A (en) * | 2022-03-04 | 2022-07-15 | 廖丽红 | Outer anti-disengaging structure of tubular product and tubular product spare |
-
2019
- 2019-10-31 CN CN201921861446.8U patent/CN210978851U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673840A (en) * | 2022-02-25 | 2022-06-28 | 安徽宝立华机械设备有限公司 | High-pressure sealing joint and connecting method thereof |
| CN114673840B (en) * | 2022-02-25 | 2023-09-19 | 安徽宝立华机械设备有限公司 | High-pressure sealing joint and connecting method thereof |
| CN114754204A (en) * | 2022-03-04 | 2022-07-15 | 廖丽红 | Outer anti-disengaging structure of tubular product and tubular product spare |
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