CN113847488B - Locking device and pipeline connecting device with same - Google Patents
Locking device and pipeline connecting device with same Download PDFInfo
- Publication number
- CN113847488B CN113847488B CN202111086232.XA CN202111086232A CN113847488B CN 113847488 B CN113847488 B CN 113847488B CN 202111086232 A CN202111086232 A CN 202111086232A CN 113847488 B CN113847488 B CN 113847488B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
- F16L21/065—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to a locking device and a pipeline connecting device with the same, wherein the pipeline connecting device comprises: the first fixing piece comprises end parts on two sides and a connecting part for connecting the end parts on the two sides; the second fixing piece comprises end parts at two sides and a connecting part for connecting the end parts at the two sides, and the end part of the second fixing piece and the end part of the first fixing piece are fixedly connected through a locking device; the connecting pieces are arranged on the inner sides of the connecting parts and comprise V-shaped first hinging parts, the folding points of the first hinging parts are hinged with the connecting parts, and the connecting pieces further comprise second hinging parts connected with the free ends of the first hinging parts; the clamping blocks are arranged at two ends of the connecting piece; the clamping block is hinged with the second hinge part; the inner side of the clamping block is provided with a press-connection surface which is contacted with the flange plate. The liquid leakage condition of the production can be effectively prevented from occurring due to uneven clamping force. And can realize quick assembly disassembly, safe and reliable more.
Description
Technical Field
The invention relates to a pipeline connecting technology, in particular to a locking device and a pipeline connecting device with the same.
Background
The existing filling pipeline is formed by connecting a plurality of straight pipes, and every two connected straight pipes are fixedly connected together through a pipe clamp. Because the pipe strap is semicircular, the flange plates at two ends of the straight-through pipe are circular, and certain interference magnitude exists between the pipe strap and the flange plates for enabling the flange plates to be clamped mutually, the pipe strap can not be completely buckled in the process of connecting and fixing, the left side and the right side are buckled relatively tightly, certain gaps exist between the pipe strap and the flange plates at the upper side and the lower side, the upper side and the lower side of the flange plates are not tightly jointed, and liquid leakage is caused. In the daily use process, the liquid leakage probability of the upper side and the lower side of the pipeline connecting part is far larger than that of the left side and the right side. Moreover, although the connection mode is firm, when a faulty pipeline is handled and the pipeline is disassembled or installed, the connecting pipe clamp needs to be opened for maintenance, which wastes time and labor and has potential safety hazards.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a locking device and a pipeline connecting device with the same, which can effectively prevent the liquid leakage caused by uneven clamping force. And the quick assembly and disassembly can be realized, the time and the labor are saved, the looseness is not easy to occur, and the safety and the reliability are higher.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a filling pipeline connecting device is used for clamping and connecting a flange plate fixed at the end part of a pipe, wherein the periphery of the flange plate is provided with a chamfer angle, the flange plate is provided with an annular groove, and a sealing ring is arranged in the annular groove; the method comprises the following steps:
the first fixing piece comprises end parts on two sides and a connecting part for connecting the end parts on the two sides; the second fixing piece comprises end parts at two sides and a connecting part for connecting the end parts at the two sides, and the end part of the second fixing piece and the end part of the first fixing piece are fixedly connected through a locking device; the connecting pieces are arranged on the inner sides of the connecting parts and comprise V-shaped first hinging parts, the folding points of the first hinging parts are hinged with the connecting parts, and the connecting pieces further comprise second hinging parts connected with the free ends of the first hinging parts; the clamping blocks are arranged at two ends of the connecting piece; the clamping block is hinged with the second hinge part; the inner sides of the clamping blocks are provided with press-connection surfaces which are contacted with the flange plate, the press-connection surfaces of the clamping blocks enclose a cavity, and the shape of the cavity is matched with that of the flange plate.
Preferably, the number of the connecting pieces is four, and the number of the clamping blocks is eight.
Preferably, the connecting pieces are uniformly distributed around the circumference of the cavity, and the clamping blocks are uniformly distributed around the circumference of the cavity.
Preferably, the connecting portion is semicircular.
Preferably, the connecting portion is provided with a first limiting groove, the first hinge portion is hinged to the connecting portion in the first limiting groove, and the first limiting groove is used for limiting the swing angle of the connecting member.
Preferably, the clamping block is provided with a second limiting groove, the second hinge part is hinged with the clamping block in the second limiting groove, and the second limiting groove is used for limiting the swing angle of the clamping block.
In particular embodiments, the locking device may include: the pin column penetrates through the end parts of the first fixing piece and the second fixing piece; the fastener is arranged at the outer end of the pin column positioned on one side of the first fixing piece and is hinged with the pin column; the distance from the outer edge of the arc-shaped boss to the hinge shaft of the pin column and the fastening piece is gradually changed; a handle is arranged at one end of the fastener, which is far away from the pin column; the cavity is arranged at the end part of the second fixing piece and positioned at two sides of the pin column, and a ratchet block is arranged in the cavity and can slide in the cavity; ratchets matched with the ratchet blocks are arranged on the two sides of the pin column; the spring is arranged in the cavity, and two ends of the spring are respectively abutted against the ratchet block and the second fixing piece, so that the ratchet block is pressed on the pin column.
In some embodiments, the upper end of the pin column is provided with arc-shaped teeth; the locking piece is hinged with the fastening piece, and the locking piece and the fastening piece are arranged in an X-shaped crossed manner; one end of the locking piece close to the pin column is provided with a tooth tip matched with the tooth; one end of the locking piece, which is far away from the pin column, forms a certain included angle with the handle of the fastening piece; and a torsional spring is arranged between the locking piece and the fastening piece, and the torsional spring can enable the tooth tip of the locking piece to be pressed on the teeth of the pin column.
The invention has the beneficial effects that:
(1) In the pipeline connecting process, the clamping blocks can be in self-adaptive close fit with the flange all the time, so that the periphery of the flange is in a fit clamping state, and the liquid leakage caused by uneven clamping force is effectively prevented.
(2) When guaranteeing intensity, can realize quick assembly disassembly, labour saving and time saving, and difficult not hard up, safe and reliable more.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of a prior art piping connection;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure of section A of FIG. 2;
fig. 4 is a partial enlarged view at a position B of fig. 2;
fig. 5 is a perspective view of the pin.
In the figure:
1. the locking device comprises a first fixing piece, 2 locking devices, 3 second fixing pieces, 4 connecting pieces, 5 clamping blocks, 6 pipes, 7 flange plates and 8 annular grooves
11. First limit groove, 12 ends, 13 connecting parts
21. Fastener, 22 locking piece, 23 pin, 24 spring, 25 ratchet block, 26 torsion spring, 27 cavity
231. Teeth, 232, ratchet.
41. First hinge part, 42. Second hinge part
51. Second limit groove
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a fill pipeline connecting device for the joint is fixed in ring flange 7 of 6 tip of pipe, and the chamfer has been seted up to ring flange 7 periphery, has seted up ring channel 8 on the ring flange, and the ring channel dress is equipped with the sealing washer, and in practical application, the sealing washer adopts metal winding gasket more. The metal winding gasket is formed by alternately winding a V-shaped or W-shaped thin steel strip and various fillers, can resist high temperature and high pressure and is suitable for use under the condition of ultralow temperature or vacuum, the chemical corrosion problem of various media to the gasket can be solved by changing the material combination of the gasket, the winding gasket is provided with an inner metal reinforcing ring and an outer positioning ring for reinforcing a main body and accurately positioning, the maximum compression degree is controlled by utilizing the inner steel ring and the outer steel ring, and the requirement on the surface precision of a flange sealing surface contacted with the gasket is not high. The method is very suitable for the working condition of the filling pipeline.
As shown in fig. 2 and 3, a filling line connecting device includes: the locking device comprises a first fixing piece 1, a second fixing piece 3, a plurality of connecting pieces 4, a plurality of clamping blocks 5 and a locking device 2.
The first fixing member 1 includes end portions 12 on both sides and a connecting portion 13 connecting the end portions 12 on both sides. The second fixing member 3 comprises end portions 12 at both sides and a connecting portion 13 connecting the end portions 12 at both sides, and the end portion of the second fixing member 3 and the end portion of the first fixing member 1 are connected and fixed by the locking device 2. The locking device 2 may be a bolt or other device or structure capable of locking and fixing. The connecting element 4 is installed inside the connecting part 13, the connecting element 4 includes a first hinge part 41 in a V shape, a folding point of the first hinge part 41 is hinged with the connecting part 13, and a second hinge part 42 connected with a free end of the first hinge part 41. The clamping blocks 5 are arranged at two ends of the connecting piece 4; the clamping block 5 is hinged with the second hinge part 42; the inner sides of the clamping blocks 5 are provided with press-connection surfaces which are contacted with the flange plate 7, the press-connection surfaces of the clamping blocks 5 enclose a cavity, and the shape of the cavity is matched with that of the flange plate.
Preferably, the number of the connecting pieces 4 is four, and the number of the clamping blocks 5 is eight.
Preferably, the connecting pieces 4 are uniformly distributed around the circumference of the cavity, and the clamping blocks 5 are uniformly distributed around the circumference of the cavity.
Preferably, the connecting portion 13 is semicircular.
In the embodiment, if the swing angle of the connecting member 4 and the clamping block 5 is too large, the flange 7 is not convenient to position and clamp. Therefore, the connecting portion 13 is provided with a first limiting groove 11, the first hinge portion 41 is hinged to the connecting portion 13 in the first limiting groove 11, and the first limiting groove 11 is used for limiting the swing angle of the connecting member 4. The clamping block 5 is provided with a second limiting groove 51, the second hinge portion 42 is hinged to the clamping block 5 in the second limiting groove 51, and the second limiting groove 51 is used for limiting the swing angle of the clamping block 5. In practical implementation, the connecting element 4 and the clamping block 5 preferably have a swing angle of 30 °.
In particular embodiments, the locking device 2 may have the structure shown in fig. 4. The locking device 2 may comprise: a pin 23 penetrating the end portions 12 of the first fixing member 1 and the second fixing member 3; the fastener 21 is arranged at the outer end of the pin 23 positioned at one side of the first fixing part 1 and is hinged with the pin 23; the connecting end of the fastener 21 and the pin 23 is provided with an arc-shaped boss, and the distance from the outer edge of the arc-shaped boss to the hinge shaft of the pin 23 and the fastener 21 is gradually changed; one end of the fastener 21, which is far away from the pin 23, is provided with a handle; a cavity 27 opened at the end 12 of the second fixing member 3, the cavity 27 being located at both sides of the pin 23, a ratchet block 25 being installed in the cavity 27, the ratchet block 25 being capable of sliding in the cavity 27; ratchets 232 matched with the ratchet blocks 25 are arranged on two sides of the pin column 23; and a spring 24 installed in the cavity 27, both ends of which are respectively abutted against the ratchet block 25 and the second fixing member 3, so that the ratchet block 25 is pressed against the pin 23. When the ratchet block 25 contacts the ratchet 232, the handle of the fastener 21 is pressed, so that the locking device 2 can realize self-locking.
As shown in fig. 4 and 5, in order to prevent the fastener 21 from loosening during use, in some embodiments, the upper end of the pin 23 is provided with an arc-shaped tooth 231; the fastening piece 21 is provided with a locking piece 22, the locking piece 22 is hinged with the fastening piece 21, and the locking piece 22 and the fastening piece 21 are arranged in an X-shaped crossed manner; one end of the locking piece 22 close to the pin column 23 is provided with a tooth tip matched with the tooth 231; one end of the locking piece 22 far away from the pin 23 forms a certain included angle with the handle of the locking piece 21; the torsion spring 26 is arranged between the locking member 22 and the fastening member 21, and the torsion spring 26 can press the tooth tip of the locking member 22 against the tooth 231 of the pin 23, so that the function of locking the fastening member 21 is realized, and the loosening of the fastening member 21 is effectively avoided.
The specific using method of the device comprises a buckling method and a splitting method:
the buckling method comprises the following steps:
a. buckling the first fixing piece 1 and the second fixing piece 3, and placing a flange 7 of a pipeline to be connected into a cavity surrounded by the clamping blocks 5;
b. the pin 23 is inserted such that the ratchet 232 of the pin 23 contacts the ratchet block 25. At this time, the position of the pin 23 is locked by the ratchet block 25 and cannot be pulled out;
c. the locking piece 22 is pressed, the outer end of the fastening piece 21 is pressed downwards, the first fixing piece 1 and the second fixing piece 3 are locked, and after the locking is finished, the fastening piece 21 is in self-locking;
d. release of retaining member 22 causes the point of retaining member 22 to press against teeth 231 of pin 23. At the moment, the fastening piece 21 is fixed and cannot rotate, so that the situation that the fastening piece 21 is loosened in the use process is effectively avoided;
the splitting method comprises the following steps:
a. the locking member 22 is pressed so that the tip of the locking member 22 is disengaged from the teeth 231 of the pin 23, allowing the fastener 21 to be rotated. Simultaneously, the outer end of the fastening piece 21 is lifted, and the locking state of the locking device 2 is released;
b. the fastener 21 is rotated to enable the axial surface of the pin 23 to be in contact with the ratchet block 25, at the moment, the axial surface of the pin 23 is in contact with the ratchet block 25, the ratchet block 25 loses the locking effect on the pin 23, and the pin 23 can freely slide up and down;
c. pulling out the pin 23;
d. the first fixing piece 1 and the second fixing piece 3 are disassembled, and the flange 7 of the connected pipeline is removed.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A locking device, comprising:
a pin (23) penetrating the end (12) of the first fixing member (1) and the second fixing member (3);
the fastener (21) is arranged at the outer end of the pin column (23) positioned on one side of the first fixing part (1) and is hinged with the pin column (23); an arc-shaped boss is arranged at the connecting end of the fastening piece (21) and the pin column (23), and the distance between the outer edge of the arc-shaped boss and the hinging shaft of the pin column (23) and the fastening piece (21) is gradually changed; a handle is arranged at one end of the fastener (21) far away from the pin column (23);
a cavity (27) which is arranged at the end part (12) of the second fixing piece (3), the cavity (27) is positioned at two sides of the pin (23), a ratchet block (25) is arranged in the cavity (27), and the ratchet block (25) can slide in the cavity (27); ratchets (232) matched with the ratchet blocks (25) are arranged on the two sides of the pin columns (23);
the spring (24) is arranged in the cavity (27), and two ends of the spring are respectively abutted against the ratchet block (25) and the second fixing piece (3) so that the ratchet block (25) is pressed on the pin column (23);
the upper end of the pin column (23) is provided with arc-shaped teeth (231);
the fastening piece (21) is provided with a locking piece (22), the locking piece (22) is hinged with the fastening piece (21), and the locking piece (22) and the fastening piece (21) are arranged in an X-shaped crossed manner;
one end of the locking piece (22) close to the pin column (23) is provided with a tooth tip matched with the teeth (231);
one end of the locking piece (22) far away from the pin column (23) forms a certain included angle with a handle of the fastening piece (21);
and a torsion spring (26) is arranged between the locking piece (22) and the fastening piece (21), and the torsion spring (26) can enable the tooth tip of the locking piece (22) to be pressed on the tooth (231) of the pin column (23).
2. A pipe connection device comprising a first fixing part (1) and a second fixing part (3): the first fixing piece (1) comprises end parts (12) on two sides and a connecting part (13) for connecting the end parts (12) on the two sides; the second fixing piece (3) comprises end parts (12) at two sides and a connecting part (13) for connecting the end parts (12) at two sides, and is characterized in that,
the end part of the second fixing part (3) and the end part of the first fixing part (1) are fixedly connected through the locking device (2) in claim 1.
3. A pipe connecting device according to claim 2, wherein:
comprises a flange (7) which is used for clamping and fixing the end part of the pipe (6);
the inner side of the connecting part (13) is provided with a plurality of connecting pieces (4), each connecting piece (4) comprises a V-shaped first hinge part (41), the break point of each first hinge part (41) is hinged with the connecting part (13), and the connecting device also comprises a second hinge part (42) connected with the free end of each first hinge part (41);
the two ends of the connecting piece (4) are provided with a plurality of clamping blocks (5); the clamping block (5) is hinged with a second hinge part (42); the inner sides of the clamping blocks (5) are provided with crimping surfaces which are in contact with the flange plate (7), the crimping surfaces of the clamping blocks (5) enclose a cavity, and the shape of the cavity is matched with that of the flange plate (7).
4. A pipe connecting device according to claim 3, wherein:
the number of the connecting pieces (4) is four, and the number of the clamping blocks (5) is eight.
5. A pipe connection device according to claim 3, wherein:
the connecting pieces (4) are uniformly distributed around the circumference of the cavity, and the clamping blocks (5) are uniformly distributed around the circumference of the cavity.
6. A pipe connecting device according to claim 3, wherein:
the connecting part (13) is semicircular.
7. A pipe connection device according to claim 3, wherein:
the connecting part (13) is provided with a first limiting groove (11), the first hinge part (41) is hinged to the connecting part (13) in the first limiting groove (11), and the first limiting groove (11) is used for limiting the swing angle of the connecting part (4).
8. A pipe connection device according to claim 3, wherein:
the clamping block (5) is provided with a second limiting groove (51), the second hinging part (42) is hinged with the clamping block (5) in the second limiting groove (51), and the second limiting groove (51) is used for limiting the swinging angle of the clamping block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111086232.XA CN113847488B (en) | 2019-08-27 | 2019-08-27 | Locking device and pipeline connecting device with same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111086232.XA CN113847488B (en) | 2019-08-27 | 2019-08-27 | Locking device and pipeline connecting device with same |
| CN201910793528.1A CN110500454B (en) | 2019-08-27 | 2019-08-27 | Filling pipeline connecting device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910793528.1A Division CN110500454B (en) | 2019-08-27 | 2019-08-27 | Filling pipeline connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113847488A CN113847488A (en) | 2021-12-28 |
| CN113847488B true CN113847488B (en) | 2022-12-09 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910793528.1A Active CN110500454B (en) | 2019-08-27 | 2019-08-27 | Filling pipeline connecting device |
| CN202111086232.XA Active CN113847488B (en) | 2019-08-27 | 2019-08-27 | Locking device and pipeline connecting device with same |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910793528.1A Active CN110500454B (en) | 2019-08-27 | 2019-08-27 | Filling pipeline connecting device |
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| Country | Link |
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| CN (2) | CN110500454B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985794B (en) * | 2019-12-30 | 2021-04-13 | 山东科技大学 | Quick connector for pressure pipeline and use method thereof |
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| JP2007118921A (en) * | 2005-09-28 | 2007-05-17 | Crops Co Ltd | Portable equipment mounting device, and illumination equipment having the same |
| JP2017110759A (en) * | 2015-12-17 | 2017-06-22 | 株式会社ＮｅｊｉＬａｗ | Clamp device and clamp set |
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| NO328283B1 (en) * | 2004-05-26 | 2010-01-25 | Fmc Kongsberg Subsea As | Tube clip |
| US8328458B2 (en) * | 2007-07-20 | 2012-12-11 | Twin Bay Medical, Inc. | Sanitary clamp |
| US8371623B2 (en) * | 2010-01-07 | 2013-02-12 | Herve′ X. Bronnert | Cam clamp assembly |
| KR101590977B1 (en) * | 2014-11-17 | 2016-02-03 | (주) 엠엠티케이 | Piping bundling clamp |
| KR101900397B1 (en) * | 2016-12-08 | 2018-09-21 | 충북대학교 산학협력단 | Shock absorbing apparatus for pipe |
| CN206429787U (en) * | 2016-12-30 | 2017-08-22 | 温州华瀛科技有限公司 | A kind of assembling pipe joint |
| US10364929B2 (en) * | 2017-03-14 | 2019-07-30 | Krausz Industries Ltd. | Pipe coupling encapsulation assembly |
| CN107246454A (en) * | 2017-07-21 | 2017-10-13 | 武汉理工大学 | A kind of active control type pipe shock absorptor |
| CN208503711U (en) * | 2018-07-04 | 2019-02-15 | 乐清市力升弹簧有限公司 | Spiral clamping hoop |
| CN208886192U (en) * | 2018-09-17 | 2019-05-21 | 山东鲁源消防科技有限公司 | A kind of quick-installed clip |
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2019
- 2019-08-27 CN CN201910793528.1A patent/CN110500454B/en active Active
- 2019-08-27 CN CN202111086232.XA patent/CN113847488B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007118921A (en) * | 2005-09-28 | 2007-05-17 | Crops Co Ltd | Portable equipment mounting device, and illumination equipment having the same |
| JP2017110759A (en) * | 2015-12-17 | 2017-06-22 | 株式会社ＮｅｊｉＬａｗ | Clamp device and clamp set |
| CN206468943U (en) * | 2017-02-10 | 2017-09-05 | 广州力润机电设备有限公司 | A kind of pipe joint rapid reinforcement pipe collar |
| CN108506310A (en) * | 2018-06-20 | 2018-09-07 | 海盐东盛紧固件制造有限公司 | A kind of installation bolt firmly installed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110500454B (en) | 2021-08-13 |
| CN110500454A (en) | 2019-11-26 |
| CN113847488A (en) | 2021-12-28 |
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