CN218954274U - Short sleeve flaring pipeline connecting piece - Google Patents

Abstract

The application relates to a short sleeve flaring pipeline connecting piece, which comprises an adjusting rod, wherein the adjusting rod is in threaded connection with a threaded rod; the support rod is arranged parallel to the adjusting rod and fixedly connected with the adjusting rod; the clamping plates are arranged in two and are connected to the supporting rods; a clamping groove is formed in one side, close to each other, of each clamping plate, and the clamping grooves can clamp the flaring connection positions of the two flaring pipes; the driving device is positioned between the threaded rod and the clamping plates, and the threaded rod can drive the driving device to enable the two clamping plates to be close to each other until the flaring connection positions of the two flaring pipes are clamped; the locking device is positioned at the position of the two clamping plates away from the adjusting rod, and can lock one end of the two clamping plates away from the adjusting rod. According to the method, when the lining or the sealing rubber ring is aged, the tightness of the connecting part of the flaring tube is further enhanced, and the liquid leakage probability is reduced.

Description

Short sleeve flaring pipeline connecting piece

Technical Field

The application relates to the field of connecting pipes, in particular to a short sleeve flaring pipeline connecting piece.

Background

Flared fittings are widely used in applications for high pressure pipelines in industrial applications such as marine, offshore oil, and metal working and mining. The flaring pipe joint is suitable for hydraulic, lubrication, high-pressure water flushing and high-pressure air pipelines. The flaring type interface takes forgeable cast iron or spheroidal graphite cast iron as a main material, consists of a lining pipe fitting body (bushing), a screw cap or a bolt, a threaded ring or a flaring flange and a sealing rubber ring, and compresses the sealing rubber ring by fastening the screw cap or the flange.

With respect to the related art, when the lining or the sealing rubber ring is aged, the sealing performance of the flaring type interface of the two adjacent flaring tubes is reduced, and the liquid leakage phenomenon is easy to occur.

Disclosure of Invention

In order to further enhance the sealing of the connection part of the flaring pipe, the application provides a short sleeve flaring pipe connecting piece.

The application provides a short sleeve flaring pipeline connecting piece adopts following technical scheme:

the adjusting rod is in threaded connection with a threaded rod;

the support rod is arranged parallel to the adjusting rod and fixedly connected with the adjusting rod; the clamping plates are arranged in two and are connected to the supporting rods; a clamping groove is formed in one side, close to each other, of each clamping plate, and the clamping grooves can clamp the flaring connection positions of the two flaring pipes; the driving device is positioned between the threaded rod and the clamping plates, and the threaded rod can drive the driving device to enable the two clamping plates to be close to each other until the flaring connection position of the two flaring pipes is clamped; the locking device is positioned at the position where the two clamping plates are far away from the adjusting rod, and the locking device can lock one end of the two clamping plates far away from the adjusting rod.

Through adopting above-mentioned technical scheme, rotate the threaded rod, threaded rod drive arrangement moves, drive arrangement makes two grip blocks be close to each other, until the flaring junction of two flaring pipes of two grip blocks clamp, restart locking device, two grip blocks are kept away from drive arrangement one end of locking, this design has all fastened the both ends of grip block through drive arrangement and locking device, the grip block can further press from both sides tight to the flaring junction of two flaring pipes for when bush or sealing rubber ring damage, the flaring junction of pressure flaring pipe still can guarantee good leakproofness.

Optionally, the driving device includes:

the transmission rod is rotationally connected to one end of the threaded rod, which is close to the supporting rod, and one side of the transmission rod, which is far away from the threaded rod, is fixedly connected with two guide rods, and the guide rods are perpendicular to the adjusting rod;

the guide blocks are arranged in two, and the two guide blocks are respectively hinged to one end, away from the transmission rod, of the two guide rods;

the connecting plates are arranged in two, the two connecting plates are fixedly connected to the two clamping plates respectively and close to one end of the adjusting rod, the two connecting plates are hinged to the supporting rods respectively, the guide blocks are connected to the connecting plates in a sliding mode, and the guide blocks can drive the two connecting plates to be close to or far away from each other.

Through adopting above-mentioned technical scheme, when twisting the threaded rod, threaded rod drive transfer line and guide bar move to being close to the bracing piece direction jointly, and the guide bar drive corresponds the guide block and slides along the groove length direction that slides, and in this process, two connecting plates begin to rotate, and the connecting plate drives the clamping plate and is close to each other and press from both sides tightly the clamping groove.

Optionally, each connecting plate is close to hinge point position department and all sets up to the arcwall face, and two the arcwall face of connecting plate is close to the bracing piece sets up, two the arcwall face of connecting plate can mutual butt.

By adopting the technical scheme, the arc-shaped surface enables the opening or closing process of the two connecting plates to be smoother, so that a user can more finely control the opening or closing degree of the two clamping plates, and the user experience is optimized.

Optionally, each clamping plate is provided with a plurality of abdicating holes, and the bolts of the flange are positioned in the abdicating holes.

By adopting the technical scheme, the clamping plate is matched with the flange for use, so that a yielding hole is required to be formed for connecting and pulling the bolt of the flange, the clamping plate applies radial force to the flaring junction of the two flaring tubes for clamping the flaring junction, and the flange is matched with the bolt for tensioning the flaring junction of the two flaring tubes by applying axial force. According to the design, the radial force and the axial force are applied to the joint of the flaring pipes for fastening, so that the joint strength of the joint of the two flaring pipes can be enhanced.

Optionally, each clamping plate corresponds to the clamping groove and is internally inserted with a first rubber strip, and one side, away from the clamping plate, of the first rubber strip is inserted with a second rubber strip.

By adopting the technical scheme, when the pipe diameter of the flaring pipe needing to be clamped is larger, only the first rubber strip is needed to be inserted into the clamping groove; when the pipe diameter of the flaring pipe needing clamping is smaller, the second rubber strip is required to be spliced with the first rubber strip. The design can adapt to the clamping requirements of flared tubes with different tube diameters, and enlarges the application range.

Optionally, the locking device includes worm gear teeth and worm, the worm gear teeth and the worm are respectively fixedly connected to the two clamping plates at positions far away from the adjusting rod, and the worm is meshed with the worm gear teeth.

Through adopting above-mentioned technical scheme, when two clamping plates butt each other, rotate worm, worm and turbine tooth meshing, further taut two clamping plates, the reinforcing is sealed to flaring pipe junction, utilizes the auto-lock of worm and worm simultaneously, reduces the probability that flaring pipe junction takes place not hard up, turbine, worm cooperation drive arrangement, fastened simultaneously the both ends of two clamping plates, has reduced the not hard up probability behind the clamping plate clamp flaring pipe.

Optionally, the threaded rod comprises a threaded section and a smooth section, the threaded section can be in threaded connection with the adjusting rod, and the smooth section can be in sliding connection with the adjusting rod; the threaded rod is sleeved with a spring, the spring is located between the adjusting rod and the supporting rod, and the spring always applies force to the threaded rod far away from the guide rod.

Through adopting above-mentioned technical scheme, when the user reverse rotation threaded rod made two connecting plates open, the screw thread section of threaded rod breaks away from the regulation pole, smooth section and the regulation pole sliding connection of threaded rod because the spring is to the force of keeping away from the guide bar that the threaded rod applyed, can make the threaded rod to keeping away from the guide bar direction and remove, finally makes two connecting plates remain in the open state all the time. The design makes the user not need to twist the threaded rod all the time to make two connecting plates open, and the spring is in threaded rod screw portion break away from the regulation pole after, and automatic drive threaded rod makes two connecting plates open automatically with this, has reduced user's operating time.

Optionally, a protecting sleeve is fixedly connected at the position of the adjusting rod corresponding to the spring, the spring is located in a cavity of the protecting sleeve, and the threaded rod penetrates through the protecting sleeve.

Through adopting above-mentioned technical scheme, the lag can reduce the spring and damage ageing probability, improves the life of device.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the flange tightens two connected flaring pipes, the clamping plate can further strengthen the tightness of the connection part of the flaring pipes, and can effectively reduce the reduction of the tightness of the flaring interface of two adjacent flaring pipes when the lining or the sealing rubber ring is aged, so that the liquid leakage probability occurs;

2. the driving device and the locking device can clamp the two ends of the clamping plate at the same time, so that the clamping strength of the clamping plate can be enhanced;

3. the first rubber strip and the second rubber strip can enable a user to assemble the device according to different diameters of the flaring pipes, and the application range of the device is widened.

Drawings

FIG. 1 is a schematic view of the overall structure of a short sleeve flared conduit connector according to an embodiment of the present application;

FIG. 2 is a schematic illustration of a threaded rod configuration of a short sleeve flared conduit connector according to an embodiment of the present application;

fig. 3 is a schematic view of the construction of a clamping plate of a short sleeve flare conduit connection in accordance with an embodiment of the present application.

Reference numerals illustrate: 1. flaring the tube; 11. pressing blue; 12. a bolt; 13. a nut; 2. an adjusting rod; 3. a connecting rod; 4. a support rod; 5. a threaded rod; 51. a threaded section; 52. a smooth section; 53. a spring; 54. a protective sleeve; 6. a driving device; 61. a transmission rod; 62. a guide rod; 63. a guide block; 7. a connecting plate; 71. a slip groove; 8. a clamping plate; 81. a clamping groove; 82. a relief hole; 83. a first rubber strip; 84. a second rubber strip; 9. a locking device; 91. worm gear teeth; 92. a worm.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

In the related art, the flaring pipe joint comprises two flaring pipes, wherein a bushing is arranged at the position where the two flaring pipes are close to each other, and the bushing is abutted against the inner wall of the flaring pipe; a sealing rubber ring is arranged between the bushing and the flaring pipe. The outer side walls of the two flaring pipes are oppositely provided with flanges 11, one sides, close to each other, of the two flanges 11 are connected with a bolt 12 and a nut 13, and the bolt 12 and the nut 13 are matched with each other to tighten the two flanges 11.

The embodiment of the application discloses a short sleeve flaring pipeline connecting piece. Referring to fig. 1 and 2, a short sleeve flaring pipe connector comprises an adjusting rod 2, wherein a threaded rod 5 is arranged on one side of the adjusting rod 2, the threaded rod 5 comprises a threaded section 51 and a smooth section 52, and the threaded section 51 of the threaded rod 5 can be in threaded connection with the adjusting rod 2; a spring 53 is fixedly connected to one side of the adjusting rod 2, the spring 53 is sleeved on the side wall of the threaded rod 5, one end of the spring 53, which is far away from the adjusting rod 2, is fixedly connected to the position, which is far away from the adjusting rod 2, of the threaded rod 5, and the spring 53 always applies force close to the adjusting rod 2 to the position, which is fixedly connected with the spring 53, of the threaded rod 5; one side of the adjusting rod 2, which is close to the spring 53, is fixedly connected with a protective sleeve 54, the threaded rod 5 is arranged through the protective sleeve 54, and the spring 53 is positioned in a cavity of the protective sleeve 54.

Referring to fig. 1, a connecting rod 3 is fixedly connected to one side of an adjusting rod 2, which is close to a threaded rod 5, and the connecting rod 3 is perpendicular to the adjusting rod 2; one end of the connecting rod 3, which is far away from the adjusting rod 2, is fixedly connected with a supporting rod 4, and the supporting rod 4 is parallel to the adjusting rod 2; the bracing piece 4 is kept away from connecting rod 3 one end and is articulated to have two connecting plates 7, and two connecting plates 7 are close to one end each other and all articulate in bracing piece 4, and the pin joint of two connecting plates 7 all is close to threaded rod 5 setting, and two connecting plates 7 are close to pin joint position department and set up to the arcwall face, and the arcwall face of two connecting plates 7 butt each other.

Referring to fig. 1 and 3, clamping plates 8 are fixedly connected to one ends of the two connecting plates 7, which are far away from the supporting rods 4, and semicircular clamping grooves 81 are formed in the sides, close to each other, of the two clamping plates 8, and the clamping grooves 81 penetrate through the thickness direction of the clamping plates 8; the clamping groove 81 is provided with a relief hole 82 corresponding to each bolt 12 on the flange 11. A first rubber strip 83 is inserted into the groove body of each clamping plate 8 corresponding to the clamping groove 81, and a second rubber strip 84 is inserted into the first rubber strip 83 through the inserting groove. The threaded rod 5 is provided with a drive device 6 near one end of the spring 53, and the drive device 6 is connected with two connecting plates 7. The driving device 6 can drive the clamping grooves 81 corresponding to the clamping plates 8 to clamp the connecting parts of the two flaring pipes.

When the device is used by a user, the threaded rod 5 is screwed, the threaded rod 5 moves towards the direction approaching the driving device 6, the spring 53 stretches, and a force approaching the adjusting rod 2 is applied to one end of the threaded rod 5 approaching the driving device 6; the threaded rod 5 pushes the driving device 6 to drive the two connecting plates 7 to mutually approach, the connecting plates 7 drive the corresponding clamping plates 8 to mutually approach, when the first rubber strip 83 inserted in the clamping groove 81 is abutted against the flaring interface of the two flaring pipes, the threaded rod 5 stops being screwed, the first rubber strip 83 clamps the flaring interface of the two flaring pipes, and the bolt 12 passes through the yielding hole to connect and fasten the two flanges 11; when the diameter of the clamping flaring tube is smaller, a limiting strip can be inserted into the clamping groove 81, then the second rubber strip 84 is inserted into the first rubber strip 83, and the second rubber strip 84 can be abutted against the outer wall of the flaring tube with smaller diameter. When the clamping is canceled, the bolt 12 is unscrewed, the threaded rod 5 is reversely screwed, the threaded rod 5 moves in the direction away from the driving device 6, the driving device 6 drives the two clamping plates 8 to move away from each other, meanwhile, the spring 53 is contracted, when the thread section 51 of the threaded rod 5 is separated from the adjusting rod 2, the smooth section 52 of the threaded rod 5 is in sliding connection with the adjusting rod 2, the spring 53 drives the threaded rod 5 to move further in the direction away from the driving device 6, and further, the two clamping plates 8 are always in a mutually-away state. The design further clamps the flaring type interfaces of the two flaring tubes, so that the leakage probability of the interfaces of the two flaring tubes can be reduced when the bushing and the sealing rubber ring are damaged. Meanwhile, the design of the first rubber strip 83 and the second rubber strip 84 enables the device to adapt to pressure flaring pipes with different calibers, and the design of the spring 53 enables a user to take down the locking device 9 more conveniently.

Referring to fig. 1, the driving device 6 includes a driving rod 61, the driving rod 61 is rotatably connected to one end of the threaded rod 5 near the supporting rod 4, the driving rod 61 is parallel to the length direction of the adjusting rod 2, two ends of the driving rod 61 are respectively and fixedly connected with a guiding rod 62, two guiding rods 62 are axially arranged symmetrically to the threaded rod 5, and one end of each guiding rod 62 far away from the threaded rod 5 is hinged with a guiding block 63; each connecting plate 7 is provided with a sliding groove 71 corresponding to the position of the guide block 63, the sliding grooves 71 are arranged along the length direction of the connecting plates 7, one far away side of the two connecting plates 7 is arranged far away from each other from one end close to the transmission rod 61 to one far away from the transmission rod 61, and the guide block 63 is arranged in the sliding grooves 71 along the length direction of the sliding grooves 71.

In a state that the two clamping plates 8 are far away from each other, the guide block 63 is positioned at a position where the sliding groove 71 is close to the adjusting rod 2; when the threaded rod 5 pushes the driving device 6 to move away from the base, the guide rod 62 pushes the guide block 63 to move away from the base along the sliding groove 71, and at the moment, the guide block 63 abuts against the inclined surface of the corresponding connecting plate 7 and pushes the two connecting plates 7 to be close to each other, and the two connecting plates 7 drive the two clamping plates 8 to be close to each other until the clamping plates 8 clamp the corresponding flaring joints of the two flaring tubes.

Referring to fig. 3, both of the two clamping plates 8 are disposed in an arc shape on the side away from each other; one end of the two clamping plates 8 far away from the connecting plate 7 can be mutually abutted, and one end of the two clamping plates 8 far away from the connecting plate 7 is jointly provided with a locking device 9. The locking device 9 comprises worm gear teeth 91 and a worm 92, wherein the worm gear teeth 91 are fixedly connected to one clamping plate 8, and the worm gear teeth 91 are arrayed along the circumferential direction of the corresponding clamping plate 8; the worm 92 is rotatably connected to the other clamping plate 8, the worm 92 is tangential to the corresponding clamping plate 8, the worm 92 and the worm gear 91 can be engaged with each other, and when the two clamping plates 8 tend to be away from each other, the worm 92 can lock the worm gear 91 without rotating the worm 92.

When a user uses the two clamping grooves 81, corresponding to the rubber strips, completely abutting against the flaring connection parts of the two flaring pipes, the worm 92 is tangent to one end, far away from the base, of the two clamping plates 8, the worm 92 is screwed, worm gear teeth 91 are meshed with the worm 92 to rotate, and the two clamping plates 8 are further clamped. The driving device 6, the turbine and the worm 92 fasten two ends of the two clamping plates 8 at the same time, so that when the pressure applied by the flared tube carrying liquid to the flared tube is overlarge, the fastening effect of the clamping plates 8 on the flared tube flaring interface can still be kept, and the safety of the locking device 9 is ensured; simultaneously, when two clamping plates 8 butt each other, rotate worm 92, worm 92 and turbine tooth meshing, further taut two clamping plates 8, reinforcing is sealed to flaring pipe junction, utilizes the auto-lock of worm 92 and worm 92 simultaneously, reduces the probability that flaring pipe junction takes place not hard up.

The implementation principle of the short sleeve flaring pipeline connecting piece provided by the embodiment of the application is as follows: when a user uses the pipe, if the pipe diameter of the flaring pipe needing to be clamped is larger, only the first rubber strip 83 is needed to be inserted into the clamping groove 81; if the pipe diameter of the flaring pipe to be clamped is smaller, the second rubber strip 84 is inserted into the clamping groove 81 on the first limit strip. Then, the threaded rod 5 is screwed to move the threaded rod 5 in a direction approaching the transmission rod 61, and the guide rod 62 and the guide block 63 are moved together in a direction approaching the connection plate 7 along the length direction of the sliding groove 71 by the pushing of the transmission rod 61. The two connection plates 7 are rotated by the pushing of the guide block 63, and the ends of the two connection plates 7 far from the guide rod 62 are close to each other. The two connecting plates 7 respectively drive the corresponding clamping plates 8 to approach each other until the first rubber strip 83 or the second rubber strip 84 in the clamping groove 81 corresponding to the clamping plates 8 is abutted against the flaring connection position of the two flaring pipes, the threaded rod 5 stops being screwed, the bolts 12 and the nuts 13 corresponding to the flanges 11 are arranged at the position of the abdicating holes, and the two flanges 11 are fastened. The worm 92 is rotated, the worm 92 is meshed with the worm gear teeth 91, and the worm gear teeth 91 drive the clamping plates 8 corresponding to the worm 92 to gradually lean against the clamping plates 8 corresponding to the worm 92, so that one end, far away from the threaded rod 5, of the two clamping plates 8 is further fastened. In addition, when the clamping plate 8 is installed, the threaded rod 5 stretches corresponding to the spring 53, a section of the threaded rod 5 close to the guide rod 62 is applied with an acting force close to the base, when the clamping plate 8 is dismounted, the threaded rod 5 is reversely screwed, the spring 53 contracts, the threaded section 51 of the threaded rod 5 is separated from the adjusting rod 2, when the smooth section 52 of the threaded rod 5 is in sliding connection with the adjusting rod 2, the section of the threaded rod 5 close to the guide rod 62 is pulled to move towards the base, the threaded rod 5 further drives the driving device 6 to move towards the base, the two clamping plates 8 are mutually separated under the guiding action of the driving device 6, and the clamping plates 8 can be always kept in a mutually separated state when being dismounted.

According to the design, through the design of the threaded rod 5, the driving device 6 and the locking device 9, two clamping plates 8 are subjected to bidirectional limiting fixation, so that the two clamping plates 8 further fasten the flaring connection part of the flaring pipe, the safety of the flaring connection part of the flaring pipe is enhanced, and the anti-leakage effect is good. Meanwhile, due to the design of the springs 53, the two clamping plates 8 can be kept in a mutually far-away state all the time before and after clamping, so that the installation of a user is facilitated; the first rubber strip 83 and the second rubber strip 84 can adapt to clamping scenes of interfaces with different pipe diameters, and the application range of the locking device 9 is enlarged.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. A short sleeve flared conduit connector, comprising:

the adjusting rod (2), the screw thread of the adjusting rod (2) is connected with a threaded rod (5);

the support rod (4) is arranged parallel to the adjusting rod (2), and the support rod (4) is fixedly connected with the adjusting rod (2);

clamping plates (8), wherein the number of the clamping plates (8) is two, and the clamping plates (8) are connected to the supporting rod (4); a clamping groove (81) is formed in one side, close to each other, of each clamping plate (8), and the clamping grooves (81) can clamp the flaring connection positions of the two flaring pipes (1);

the driving device (6) is positioned between the threaded rod (5) and the clamping plates (8), and the threaded rod (5) can drive the driving device (6) to enable the two clamping plates (8) to be close to each other until the flaring connection positions of the two flaring tubes (1) are clamped;

the locking device (9), locking device (9) are located two clamping plates (8) keep away from regulation pole (2) position department, locking device (9) can lock two clamping plates (8) keep away from regulation pole (2) one end.

2. A short-sleeve flared conduit connector according to claim 1, wherein the drive means (6) comprises:

the transmission rod (61) is rotatably connected to one end, close to the supporting rod (4), of the threaded rod (5), two guide rods (62) are fixedly connected to one side, away from the threaded rod (5), of the transmission rod (61), and the guide rods (62) are perpendicular to the adjusting rod (2);

the guide blocks (63) are arranged in two, and the two guide blocks (63) are respectively hinged to one end, far away from the transmission rod (61), of the two guide rods (62);

connecting plate (7), connecting plate (7) set up to two, two connecting plate (7) rigid coupling respectively in two clamping plate (8) are close to adjust pole (2) one end, two connecting plate (7) articulate respectively in bracing piece (4), guide block (63) sliding connection in connecting plate (7), guide block (63) can drive two connecting plate (7) are close to each other or keep away from.

3. A short sleeve flared conduit connector as in claim 2 wherein: every connecting plate (7) are close to hinge point position department and all set up to the arcwall face, and two the arcwall face of connecting plate (7) is close to bracing piece (4) setting, two the arcwall face of connecting plate (7) can mutual butt.

4. A short sleeve flared conduit connector as in claim 1 wherein: a plurality of abdication holes (82) are formed in each clamping plate (8), and bolts (12) of the press flange (11) are located in the abdication holes (82).

5. A short sleeve flared conduit connector as in claim 1 wherein: each clamping plate (8) is inserted with a first rubber strip (83) in the corresponding clamping groove (81), and one side, far away from the clamping plate (8), of the first rubber strip (83) is inserted with a second rubber strip (84).

6. A short sleeve flared conduit connector as in claim 1 wherein: the locking device (9) comprises worm gear teeth (91) and a worm (92), the worm gear teeth (91) and the worm (92) are fixedly connected to the two clamping plates (8) respectively, the positions, far away from the adjusting rod (2), of the clamping plates, and the worm (92) is meshed with the worm gear teeth (91).

7. A short sleeve flared conduit connector as in claim 2 wherein: the threaded rod (5) comprises a threaded section (51) and a smooth section (52), the threaded section (51) can be connected to the adjusting rod (2) in a threaded manner, and the smooth section (52) can be connected to the adjusting rod (2) in a sliding manner; the threaded rod (5) is sleeved with a spring (53), the spring (53) is located between the adjusting rod (2) and the supporting rod (4), and the spring (53) always applies force to the threaded rod (5) far away from the guide rod (62).

8. The method according to claim 7, wherein: the position of the adjusting rod (2) corresponding to the spring (53) is fixedly connected with a protective sleeve (54), the spring (53) is positioned in a cavity of the protective sleeve (54), and the threaded rod (5) penetrates through the protective sleeve (54).

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