CN115773414B - Upper and lower holding ring and method for installing same - Google Patents
Upper and lower holding ring and method for installing same Download PDFInfo
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- CN115773414B CN115773414B CN202211417165.XA CN202211417165A CN115773414B CN 115773414 B CN115773414 B CN 115773414B CN 202211417165 A CN202211417165 A CN 202211417165A CN 115773414 B CN115773414 B CN 115773414B
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Abstract
The application relates to the technical field of pipeline connection, in particular to an upper holding ring and a lower holding ring and a method for installing the holding ring, wherein after the upper holding ring and the lower holding ring are combined, two annular positioning grooves for installing two opening positioning rings are formed in the middle of the inner wall, and the two opening positioning rings are used for carrying out opposite-inserting holding on two connected pipelines respectively; the two ends of the upper holding ring and the lower holding ring are combined to form an annular locking seat for locking the locking nut in threaded connection. In the process of fixedly connecting the pipeline, after the worker involutes the upper holding ring and the lower holding ring, the fixing and locking work can be completed through the two locking nuts directly, and the holding clamp locking mode is simpler and more convenient.
Description
Technical Field
The application relates to the technical field of pipeline connection, in particular to an upper and lower holding ring and a method for installing the holding ring.
Background
Pipeline laying is an important link of construction engineering, and generally pipeline is subjected to splicing to complete the whole construction of the pipeline, so that pipeline fixing parts are widely applied, and the holding ring is one of components for fixing connection between pipelines, can be used in any place where the pipeline is laid, and is also called a pipeline part, so that the pipelines cannot relatively displace.
The clasps typically include an upper clasp and a lower clasp. At present, in the installation process, after the upper holding ring and the lower holding ring are mutually involuted to clamp two pipelines, workers are required to lock and fix the upper holding ring and the lower holding ring after the clamping along the lengths of the upper holding ring and the lower holding ring by bolts and nuts. This locking is cumbersome. Thus, further improvements can be made.
Disclosure of Invention
In order to facilitate the clamping locking mode of the clamping ring, the application provides an upper clamping ring and a lower clamping ring and a method for installing the clamping ring.
In a first aspect, the application provides an upper and lower holding ring, which adopts the following technical scheme:
the upper holding ring and the lower holding ring form two annular positioning grooves for installing two opening positioning rings respectively at the middle part of the inner wall after the upper holding ring and the lower holding ring are combined, and the two opening positioning rings are used for carrying out opposite-inserting holding on two connected pipelines respectively; and after the two ends of the upper holding ring and the lower holding ring are combined, an annular locking seat for locking the locking nut in threaded connection is formed.
Through adopting above-mentioned technical scheme, in carrying out fixed connection in-process to the pipeline, the workman is at first to two pipelines to inserting in two opening locating ring, then will go up armful ring and lower armful ring and hold relatively clamp in two pipeline butt joint positions department, and last armful ring and lower armful ring middle part position form two ring type constant head tanks this moment, and opening locating ring joint in ring type constant head tank. Meanwhile, two ends of the upper holding ring and two ends of the lower holding ring are in a formed state, two ends of the upper holding ring and two ends of the lower holding ring are combined to form annular locking seats, finally workers can directly lock the two annular locking seats through locking nuts in a threaded mode, and at the moment, the opening positioning ring closes up to hold the pipeline tightly so as to finish the fixed connection of the upper holding ring and the lower holding ring to the pipeline. In the process, after the worker involutes the upper embracing ring and the lower embracing ring, the fixing and locking work can be completed through the two locking nuts directly, and the embracing clamp locking mode is simple and convenient.
Optionally, after the upper holding ring and the lower holding ring are combined, first guide sliding grooves which are expanded inwards and are in a circular truncated cone shape are formed at two ends of the inner wall, and the outer end face of each first guide sliding groove is a large end face; a plurality of clamping blocks sliding along the inclination direction of the first guide sliding chute are arranged in the first guide sliding chute; the two ends of the upper holding ring and the lower semi-ring are respectively provided with a second guide chute with an arc-shaped cross section outline, the second guide chute and the annular locking seat are coaxially arranged, and the second guide chute penetrates through the first guide chute; the second guide chute is internally and slidably inserted with a guide push plate, and the locking nut pushes and adjusts the clamping block through the guide push plate.
Through adopting above-mentioned technical scheme, in the installation, when the workman screwed up lock nut and fixes, lock nut promotes the chucking piece through the direction push pedal and removes towards inside direction, makes the chucking piece constantly be close to the pipeline and carries out the chucking fixedly to it is fixed to go up the embracing of ring and lower embracing the embracing of ring to the pipeline stability to further improve.
Optionally, a plurality of third guide sliding grooves are formed in the conical surface of the first guide sliding groove, the third guide sliding grooves are uniformly distributed around the axis of the first guide sliding groove, and each third guide sliding groove extends in the inclination direction of the first guide sliding groove; the third guiding chute is internally provided with a sliding block in a sliding manner, and the clamping block is fixed on the sliding block.
Through adopting above-mentioned technical scheme, when lock nut promotes the chucking piece through the direction push pedal and removes towards inside direction, because the chucking piece carries out sliding guide through the slider, make the chucking piece can follow the inclination direction of first direction spout and remove to the pipeline chucking.
Optionally, a pre-ejection spring is installed in the third guiding chute, and the pre-ejection spring is propped up against the sliding block along the third guiding chute in an inclined way.
Through adopting above-mentioned technical scheme, before last embracing the ring and embracing the ring down and carrying out the cohesion, the spring of pushing up in advance is propped in the slider towards slant upper direction, makes the chucking piece reset to the top position, makes chucking piece and pipeline form the separation state, and the workman of being convenient for accomplishes and embraces the ring down and carry out cohesion work.
Optionally, the top surface of chucking piece is the laminating of sliding mutually with first direction spout, the bottom surface of chucking piece is the arc surface that pastes suitable cooperation mutually with the pipeline outer wall.
Through adopting above-mentioned technical scheme, in lock nut passes through direction push pedal promotion chucking piece and moves the in-process towards inside direction, because the top surface of chucking piece slides the laminating mutually with first direction spout, can make the chucking piece keep steadily moving. Simultaneously, after the clamping block clamps in the pipeline, the bottom surface of the clamping block can form a complete fit state with the outer wall of the pipeline to carry out more stable clamping on the pipeline.
Optionally, the guiding push plate comprises a plate body and rolling balls embedded and arranged at two ends of the guiding push plate.
Through adopting above-mentioned technical scheme, in lock nut passes through direction push pedal promotion chucking piece and moves the in-process towards inside direction, direction push pedal both ends pass through the ball and form rolling connection with lock nut terminal surface and chucking piece terminal surface respectively, the workman of being convenient for rotates lock nut.
Optionally, after the upper embracing ring and the lower embracing ring are embraced, an annular sealing groove is formed inside, and two ends of the annular sealing groove are respectively communicated with the first guiding chute and the annular positioning groove; the sealing groove is internally provided with a sealing ring and a sealing push ring, and the sealing push ring extends into the first guide chute.
By adopting the technical scheme, before installing the upper holding ring and the lower holding ring, a worker firstly sleeves the sealing ring and the sealing push ring on the pipeline. After the upper holding ring and the lower holding ring are held together, a worker screws up the lock nut, the lock nut pushes the clamping block to move towards the inner direction through the guide push plate, and at the moment, the clamping block pushes the sealing ring to abut against the opening positioning ring through the sealing push ring, so that the sealing ring can be stably sleeved on a pipeline to seal the connecting position of the pipeline.
Optionally, the inner diameter of the sealing push ring is smaller than the outer diameter of the pipeline.
By adopting the technical scheme, the inner diameter of the sealing push ring is smaller than the outer diameter of the pipeline, so that workers can conveniently sleeve the sealing push ring on the pipeline.
In a second aspect, the application provides a method for installing upper and lower clasps, which adopts the following technical scheme:
a method of installing an upper and lower hoop comprising the steps of:
s1, sleeving a corresponding sealing push ring, a sealing ring and an opening positioning ring on two pipelines to be connected, aligning the two pipeline furnishings, and adjusting the interval between the two pipelines to be larger than the thickness of the sealing ring;
s2, holding the lower holding ring at the bottom of the butt joint position of the two pipelines, respectively moving and clamping the two opening positioning rings in the corresponding annular positioning groove positions, and simultaneously moving the sealing push ring and the sealing ring to the position of the annular sealing groove;
s3, embracing the upper embracing ring pair Ji Gai at the top of the butt joint position of the two pipelines;
s4, the annular locking seats at the two ends are locked by threads through the locking nuts, and at the moment, the locking nuts push the clamping blocks to the inner direction through the guide push plate so as to clamp the outer wall of the pipeline, so that the pipeline is further locked and fixed; meanwhile, the clamping block pushes the sealing ring to be abutted against the opening positioning ring through the sealing push ring so as to seal the connecting position of the pipeline.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in the process of fixedly connecting the pipelines, after the worker involutes the upper embracing ring and the lower embracing ring, the fixing and locking work can be completed directly through the two locking nuts, and the embracing clamp locking mode is simple and convenient;
2. in the installation process, when a worker tightens the lock nut to fix, the lock nut pushes the clamping block to move towards the inner direction through the guide push plate, so that the clamping block is continuously close to the pipeline to clamp and fix the pipeline, and the clamping stability of the upper clamping ring and the lower clamping ring on the pipeline is further improved;
3. before installing the upper holding ring and the lower holding ring, a worker firstly sleeves the sealing ring and the sealing push ring on the pipeline. After the upper holding ring and the lower holding ring are held together, a worker screws up the lock nut, the lock nut pushes the clamping block to move towards the inner direction through the guide push plate, and at the moment, the clamping block pushes the sealing ring to abut against the opening positioning ring through the sealing push ring, so that the sealing ring can be stably sleeved on a pipeline to seal the connecting position of the pipeline.
Drawings
Fig. 1 is a cross-sectional view of an overall structure of an upper hoop and a lower hoop after clamping a pipeline in an embodiment of the present application.
Figure 2 is a cross-sectional view of a guiding push plate in accordance with the present application.
Reference numerals illustrate:
1. an upper holding ring; 2. a lower holding ring; 3. a ring-shaped positioning groove; 4. an open positioning ring; 5. a ring-shaped locking seat; 6. a lock nut; 7. a first guide chute; 8. a clamping block; 9. the second guide chute; 10. a guiding push plate; 101. a plate body; 102. a ball; 11. a third guide chute; 12. a slide block; 13. pre-pushing a spring; 14. a ring-shaped seal groove; 15. a seal ring; 16. sealing push ring; 200. a pipeline.
Detailed Description
The application is described in further detail below with reference to fig. 1-2.
The embodiment of the application discloses an upper and lower holding ring.
Referring to fig. 1, the upper and lower clasps include an upper clasping ring 1 and a lower clasping ring 2, both of which are semi-cylindrical, and the upper clasping ring 1 is aligned with the lower clasping ring 2. The middle parts of the inner walls of the upper holding ring 1 and the lower holding ring 2 are uniformly provided with two half annular positioning grooves 3. After the upper holding ring 1 and the lower holding ring 2 are combined, two annular positioning grooves 3 for installing the two opening positioning rings 4 are formed in the middle of the inner wall of the upper holding ring. The two ends of the upper holding ring 1 and the lower holding ring 2 are uniformly formed with half semicircular locking seats 5, so that the two ends of the upper holding ring 1 and the lower holding ring 2 are combined to form the annular locking seats 5, and the outer circumferential surface of the annular locking seats 5 is provided with external threads for locking by the threaded connection of the locking nuts 6.
In the process of fixedly connecting the pipelines 200, a worker firstly inserts the two pipelines 200 into the two opening positioning rings 4, then clamps the upper holding ring 1 and the lower holding ring 2 at the butt joint positions of the two pipelines 200 relatively, at this time, the middle positions of the upper holding ring 1 and the lower holding ring 2 form two annular positioning grooves 3, and the opening positioning rings 4 are clamped in the annular positioning grooves 3. Meanwhile, two ends of the upper holding ring 1 and two ends of the lower holding ring 2 are in a formed state, two ends of the upper holding ring 1 and two ends of the lower holding ring 2 are in butt joint to form annular locking seats 5, finally workers can directly lock the two annular locking seats 5 through locking nuts 6 in a threaded mode, at the moment, the opening positioning ring 4 is closed to hold the pipeline 200 tightly, and therefore the fixed connection of the upper holding ring 1 and the lower holding ring 2 to the pipeline 200 is completed. In the process, after the worker involutes the upper holding ring 1 and the lower holding ring 2, the fixing and locking work can be completed directly through the two locking nuts 6, and the holding and clamping locking mode is simpler and more convenient.
The inner wall both ends of the upper holding ring 1 and the lower holding ring 2 are provided with first inner expanding grooves in a semicircular table shape, when the upper holding ring 1 and the lower holding ring 2 are combined, the two first inner expanding grooves are mutually spliced to form a first guide chute 7 in a circular table shape, and the outer end face of the first guide chute 7 is a large end face. A plurality of clamping blocks 8 are arranged in the first guide chute 7, and each clamping block 8 is arranged in a sliding manner along the inclination direction. The upper holding ring 1 and the two ends of the lower semi-ring are respectively provided with a second guide chute 9 with an arc-shaped cross section outline, the second guide chute 9 and the annular locking seat 5 are coaxially arranged, and the second guide chute 9 axially extends to penetrate into the first guide chute 7. A guide pushing plate 10 with an arc-shaped cross section profile is inserted in the second guide chute 9 in a sliding manner, and two ends of the guide pushing plate 10 extend out of two ends of the second guide chute 9 respectively.
In the installation, when the workman tightens lock nut 6 and fixes, lock nut 6 promotes chucking piece 8 through direction push pedal 10 and removes towards inside direction, makes chucking piece 8 constantly be close to pipeline 200 and carries out chucking to pipeline 200 and fix to further improve and embrace ring 1 and lower embracing ring 2 and to the embracing clamp stability of pipeline 200.
Specifically, a plurality of third guide sliding grooves 11 are formed in the conical surface of the first guide sliding groove 7, the third guide sliding grooves 11 are uniformly distributed around the axis of the first guide sliding groove 7, and each third guide sliding groove 11 extends in the inclination direction of the first guide sliding groove 7. The third guiding chute 11 is slidably provided with a slide 12, and the clamping block 8 is fixed to the slide 12. When the lock nut 6 pushes the clamping block 8 to move toward the inner direction through the guide push plate 10, the clamping block 8 can move along the inclination direction of the first guide chute 7 due to the sliding guide of the clamping block 8 through the slide block 12, so as to clamp the pipeline 200.
In the present embodiment, a pre-ejection spring 13 is installed in the third guiding chute 11, and the pre-ejection spring 13 is supported on the slider 12 obliquely upward along the third guiding chute 11. Before the upper holding ring 1 and the lower holding ring 2 are held together, the pre-pushing spring 13 props against the sliding block 12 in an inclined upward direction, so that the clamping block 8 is reset to the uppermost position, the clamping block 8 and the pipeline 200 form a separation state, and a worker can conveniently complete holding work of the upper holding ring 1 and the lower holding ring 2.
Specifically, the cross section profile of the clamping block 8 is in a right trapezoid shape, and the taper of the top surface of the clamping block 8 is the same as that of the first guide chute 7, so that the clamping block 8 can be in sliding fit with the inner wall of the first guide chute 7. Meanwhile, the bottom surface of the clamping block 8 is an arc surface which is matched with the outer wall of the pipeline 200.
In the process that the lock nut 6 pushes the clamping block 8 to move towards the inner direction through the guide push plate 10, the top surface of the clamping block 8 is in sliding fit with the first guide chute 7, so that the clamping block 8 can keep moving stably. Meanwhile, after the clamping block 8 is clamped in the pipeline 200, the bottom surface of the clamping block 8 can form a complete fit state with the outer wall of the pipeline 200, so that the pipeline 200 is clamped more stably.
Referring to fig. 1 and 2, specifically, the guiding pushing plate 10 includes a plate body 101 and balls 102 that are mounted at two ends of the guiding pushing plate 10 in a rolling manner, and the cross-sectional profile of the plate body 101 is in an arc shape that matches with the second guiding chute 9, so that the plate body 101 is slidingly inserted into the second guiding chute 9. In the process that the locking nut 6 pushes the clamping block 8 to move towards the inner direction through the guide push plate 10, two ends of the guide push plate 10 are respectively in rolling connection with the end face of the locking nut 6 and the end face of the clamping block 8 through the balls 102, so that a worker can conveniently rotate the locking nut 6.
In this embodiment, the upper holding ring 1 and the lower holding ring 2 are formed with semi-cylindrical second inner expanding grooves at two ends uniformly at the inner part, when the upper holding ring 1 and the lower holding ring 2 are bonded, the two second inner expanding grooves are mutually spliced to form a cylindrical annular sealing groove 14, and two ends of the annular sealing groove 14 are respectively communicated with the first guiding chute 7 and the annular positioning groove 3. A sealing ring 15 and a sealing push ring 16 are arranged in the annular sealing groove 14, and the sealing push ring 16 extends into the first guide chute 7. Before installing the upper hoop 1 and the lower hoop 2, a worker first sleeves the sealing ring 15 and the sealing push ring 16 on the pipeline 200. After the upper holding ring 1 and the lower holding ring 2 are held together, a worker tightens the lock nut 6, the lock nut 6 pushes the clamping block 8 to move towards the inner direction through the guide push plate 10, and at the moment, the clamping block 8 pushes the sealing ring 15 to abut against the opening positioning ring 4 through the sealing push ring 16, so that the sealing ring 15 can be stably sleeved on the pipeline 200 to seal the connecting position of the pipeline 200.
In this embodiment, the inner diameter of the seal push ring 16 is smaller than the outer diameter of the pipe 200, facilitating the worker to fit the seal push ring 16 over the pipe 200.
The embodiment of the application also discloses a method for installing the upper and lower clasps.
Referring to fig. 1, the method of installing the upper and lower clasps includes the steps of:
s1, corresponding sealing push rings 16, sealing rings 15 and opening positioning rings 4 are sleeved on two pipelines 200 to be connected, the two pipelines 200 are aligned, and the distance between the two pipelines 200 is adjusted to be larger than the thickness of the sealing rings 15;
s2, holding the lower holding ring 2 at the bottom of the butt joint position of the two pipelines 200, respectively moving and clamping the two opening positioning rings 4 in the corresponding annular positioning groove 3, and simultaneously moving the sealing push ring 16 and the sealing ring 15 to the position of the annular sealing groove 14;
s3, the upper holding ring 1 is aligned with the top of the butt joint position of the two pipelines 200;
s4, the annular locking seats 5 at the two ends are locked by threads through the locking nuts 6, and at the moment, the locking nuts 6 push the clamping blocks 8 to the inner direction through the guide push plates 10 so as to clamp the outer wall of the pipeline 200, so that the pipeline 200 is further locked and fixed; simultaneously, the clamping block 8 pushes the sealing ring 15 to be abutted against the opening positioning ring 4 through the sealing push ring 16 so as to seal the connecting position of the pipeline 200.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. The utility model provides a hug from top to bottom, includes hug ring (1) and lower hug ring (2), its characterized in that: after the upper holding ring (1) and the lower holding ring (2) are combined, two annular locating grooves (3) for installing two opening locating rings (4) are formed in the middle of the inner wall, and the two opening locating rings (4) are used for carrying out opposite insertion holding on two connected pipelines (200) respectively; the two ends of the upper holding ring (1) and the lower holding ring (2) are combined to form a ring-shaped locking seat (5) for locking the locking nut (6) in a threaded connection manner; after the upper holding ring (1) and the lower holding ring (2) are closed, first guide sliding grooves (7) which are expanded inwards and are in a round table shape are formed at two ends of the inner wall, and the outer end face of each first guide sliding groove (7) is a large end face; a plurality of clamping blocks (8) sliding along the inclination direction of the first guide sliding chute (7) are arranged in the first guide sliding chute; the two ends of the upper holding ring (1) and the lower semi-ring are respectively provided with a second guide chute (9) with an arc-shaped cross section outline, the second guide chute (9) and the annular locking seat (5) are coaxially arranged, and the second guide chute (9) penetrates through the first guide chute (7); the second guide chute (9) is internally and slidably inserted with a guide push plate (10), and the locking nut (6) pushes and adjusts the clamping block (8) through the guide push plate (10).
2. An upper and lower hoop as claimed in claim 1, wherein: a plurality of third guide sliding grooves (11) are formed in the conical surface of the first guide sliding groove (7), the third guide sliding grooves (11) are uniformly distributed around the axis of the first guide sliding groove (7), and each third guide sliding groove (11) extends in the inclination direction of the first guide sliding groove (7); the third guide chute (11) is provided with a sliding block (12) in a sliding manner, and the clamping block (8) is fixed on the sliding block (12).
3. An upper and lower hoop as claimed in claim 2, wherein: the third guide chute (11) is internally provided with a pre-ejection spring (13), and the pre-ejection spring (13) is obliquely and upwards propped against the sliding block (12) along the third guide chute (11).
4. An upper and lower hoop as claimed in claim 2, wherein: the top surface of chucking piece (8) is laminated with first direction spout (7) mutually, the bottom surface of chucking piece (8) is the arc surface that pastes suitable cooperation mutually with pipeline (200) outer wall.
5. An upper and lower hoop as claimed in claim 2, wherein: the guide pushing plate (10) comprises a plate body (101) and rolling balls (102) which are arranged at two ends of the guide pushing plate (10) in an embedded mode.
6. An upper and lower hoop as claimed in claim 2, wherein: after the upper holding ring (1) and the lower holding ring (2) are held together, a ring-shaped sealing groove (14) is formed inside, and two ends of the ring-shaped sealing groove (14) are respectively communicated with the first guide sliding groove (7) and the ring-shaped positioning groove (3); a sealing ring (15) and a sealing push ring (16) are arranged in the annular sealing groove (14), and the sealing push ring (16) extends into the first guide sliding groove (7).
7. An upper and lower hoop as claimed in claim 6, wherein: the inner diameter of the sealing push ring (16) is smaller than the outer diameter of the pipeline (200).
8. A method of installing an upper and a lower clasp, based on any one of claims 1-7, characterized in that: the method comprises the following steps:
s1, corresponding sealing push rings (16), sealing rings (15) and opening positioning rings (4) are sleeved on two pipelines (200) to be connected, the two pipelines (200) are aligned, and the distance between the two pipelines (200) is adjusted to be larger than the thickness of the sealing rings (15);
s2, supporting and embracing the lower embracing ring (2) at the bottom of the butt joint position of the two pipelines (200), respectively moving and clamping the two opening locating rings (4) in the positions of the corresponding annular locating grooves (3), and simultaneously moving the sealing push ring (16) and the sealing ring (15) to the positions of the annular sealing grooves (14);
s3, embracing the pair Ji Gai of the upper embracing ring (1) at the top of the butt joint position of the two pipelines (200);
s4, the annular locking seats (5) at the two ends are locked by screw threads through the locking nuts (6), and at the moment, the locking nuts (6) push the clamping blocks (8) to the inner direction through the guide push plates (10) so as to clamp the outer wall of the pipeline (200), so that the pipeline (200) is further locked and fixed; meanwhile, the clamping block (8) pushes the sealing ring (15) to be abutted against the opening positioning ring (4) through the sealing push ring (16) so as to seal the connecting position of the pipeline (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211417165.XA CN115773414B (en) | 2022-11-14 | 2022-11-14 | Upper and lower holding ring and method for installing same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211417165.XA CN115773414B (en) | 2022-11-14 | 2022-11-14 | Upper and lower holding ring and method for installing same |
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| CN115773414A CN115773414A (en) | 2023-03-10 |
| CN115773414B true CN115773414B (en) | 2023-08-11 |
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| EP0713043A1 (en) * | 1994-11-15 | 1996-05-22 | De Fontein Ltd | Push-in pipe fitting with integrated locking clip |
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| Publication number | Publication date |
|---|---|
| CN115773414A (en) | 2023-03-10 |
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