Long-neck flange convenient to connect

Abstract

The utility model discloses a long neck flange convenient to connect, which relates to the technical field of flanges, aims to solve the problem that the disassembly and the use are not convenient enough, and adopts the technical scheme that the long neck flange convenient to connect comprises two corresponding long neck flanges, and round holes and a plurality of mounting holes are formed in the middle parts of frames at the inner ends of the two long neck flanges; the opposite outer sides of the inner ends of the two long-neck flanges are both rotationally matched with outer plates, and a plurality of through holes are formed in the middles of the outer plates. According to the long-neck flange, the outer plate is arranged on the outer side of the inner end of the long-neck flange, the rubber pads are arranged on the inner side of the outer plate, the situation that screws in mounting holes are exposed outside in the later period and rust is caused is effectively prevented, the long-neck flange is more convenient and smoother to disassemble and assemble, and the clamping assembly is arranged in the inner end of the long-neck flange, so that the long-neck flange is convenient to disassemble and assemble. The pipeline in the long-neck flange is tightly clamped, the stability of the long-neck flange after installation is further improved, and the situation that the pipeline slides in the long-neck flange is effectively reduced.

Description

Technical Field

[0001] The utility model belongs to the field of flanges, and in particular relates to a long-neck flange which is easy to connect. Background Art

[0002] The neck height of the long neck flange is higher, and the rigidity and bearing capacity of the flange are improved. Compared with the butt-welded flange, the welding workload is large, the consumption of welding rods is high, and it cannot withstand high temperature and high pressure, repeated bending and temperature fluctuations, but it is more convenient to install on site, and the process of beating and rubbing the weld can be omitted, so it is more popular.

[0003] The patent application with publication number CN218954287U discloses a long high neck flange fixing assembly, including: a first long high neck flange, a clamping mechanism is provided inside the first long high neck flange, a second long high neck flange is movably fitted on the upper surface of the first long high neck flange, a connecting pipe is connected to the second long high neck flange and the first long high neck flange on the opposite side, a movable sleeve is slidably connected to the outer side of the lower connecting pipe, two protrusions are fixed on the front of the movable sleeve, and the left and right sides of the movable sleeve are hinged with hinge rods through hinge shafts. The long high neck flange fixing assembly clamps the two fixing plates fixed on the lower surface of the second long high neck flange into the grooves provided on the upper surface of the first long high neck flange respectively, and at this time, the fixing rod is pushed to drive the movable sleeve to move upward, so that the springs on the left and right sides begin to reset, and the clamping rods on the left and right sides are clamped into the inside of the clamping grooves on the left and right sides.

[0004] The above patent only replaces the twisting screw with a pulling clamping mechanism, but a part of the clamping mechanism is still exposed to the outside and in contact with air or water, and rust will still occur. It is very easy for the clamping mechanism to rust and become difficult to pull, so it is not convenient to disassemble and use. In addition, the long neck flange can usually be used at the connection of two pipes to connect and fix them. However, due to the different sizes of pipes and the smoothness of the pipe surface and the inner wall of the long neck flange, the long neck flange will slide on the pipe surface, making the long neck flange not stable enough when used.

[0005] In summary, the utility model provides a long-neck flange that is easy to connect to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a long-neck flange that is easy to connect. The utility model has the advantage that by arranging an outer plate on the outer side of the inner end of the long-neck flange and a plurality of rubber pads on the inner side of the outer plate, the screws in the later installation holes are effectively prevented from being exposed and rusting, making the disassembly and assembly of the long-neck flange more convenient and smooth. The clamping assembly arranged inside the inner end of the long-neck flange can tightly clamp the pipe in the long-neck flange, further improving the stability of the long-neck flange after installation, and effectively reducing the sliding of the pipe in the long-neck flange.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A long-neck flange that is easy to connect, comprising two corresponding long-neck flanges, a circular hole and a plurality of mounting holes are provided in the middle of the frame at the inner ends of the two long-neck flanges, an outer plate is rotatably matched with the relative outer sides of the inner ends of the two long-neck flanges, a plurality of through holes are provided in the middle of the outer plate, a plurality of rubber pads are fixed on the inner side of the outer plate, and the plurality of through holes and the plurality of rubber pads correspond to the circular hole and the plurality of mounting holes;

[0009] An annular groove and a plurality of rectangular grooves are provided inside the inner end of the long-neck flange, the circular hole is connected with one of the rectangular grooves, the annular groove is connected with the plurality of rectangular grooves, a clamping assembly is installed in the annular groove and the plurality of rectangular grooves, a screw which is threadably matched with the clamping assembly is rotatably provided in the circular hole.

[0010] By adopting the above technical scheme, through the outer plate arranged on the outer side of the inner end of the long-neck flange and the multiple rubber pads arranged on the inner side of the outer plate, after the two long-neck flanges are screwed in the mounting holes, the outer plate can be rotated so that the multiple rubber pads on the inner side of the outer plate are stuck in the circular holes and the multiple mounting holes for sealing and protection, which effectively prevents the screws in the mounting holes from being exposed and rusting in the later stage, making the disassembly and assembly of the long-neck flange more convenient and smooth, and the clamping assembly arranged inside the inner end of the long-neck flange and the screw arranged in the circular hole can drive the clamping assembly to shrink inward by rotating the screw, thereby changing the diameter of the clamping assembly, and realizing tight clamping of the pipe in the long-neck flange, further improving the stability of the long-neck flange after installation, and effectively reducing the sliding of the pipe in the long-neck flange.

[0011] The utility model is further configured as follows: a plurality of the mounting holes all penetrate the middle portion of the frame at the inner end of the long-neck flange, and a telescopic component is installed between the long-neck flange and the peripheral side of the outer plate.

[0012] By adopting the above technical solution, the installation connection of the two long-neck flanges is completed by installing screws in two corresponding mounting holes, making the installation more convenient and quick, and the telescopic component arranged synchronously can drive the outer panel to slide away from or close to the long-neck flange, so that the rubber pad on the inner side of the outer panel can be better inserted into or out of the mounting hole.

[0013] The utility model is further configured as follows: the telescopic assembly includes a fixing plate fixed to the circumference of the long-neck flange, an L-shaped plate elastically fitted to the middle of one end of the fixing plate, and the outer plate rotatably fits to the inner side of the L-shaped plate.

[0014] By adopting the above technical solution, through the L-shaped plate set in the middle of one end of the fixed plate, the outer plate can be rotatably matched with the inner side of the L-shaped plate for angle adjustment, and the elasticity between the fixed plate and the L-shaped plate can be used to change the distance between the outer plate and the long neck flange, so that the multiple rubber pads on the inner side of the outer plate can be better inserted into or out of the circular hole and multiple mounting holes.

[0015] The utility model is further configured as follows: a plurality of through holes and a plurality of rubber pads are staggeredly arranged.

[0016] By adopting the above technical solution, the outer plate is rotated to make the multiple through holes and the multiple rubber pads move synchronously, so as to expose or close the round holes and the multiple mounting holes, and better disassemble and install the screws or protect the screws.

[0017] The utility model is further configured as follows: one end of a plurality of the rectangular grooves penetrates the inner wall of the inner end of the long-neck flange, and the plurality of the rectangular grooves are circumferentially arranged in sequence and at equal intervals on the circumferential side of the annular groove.

[0018] By adopting the above technical solution, the clamping plate can extend out of the inner wall of the inner end of the long-neck flange through the rectangular groove to contact the surface of the pipe, thereby clamping and fixing the pipe. The multiple rectangular grooves are evenly distributed, so that the multiple clamping plates are evenly distributed and the clamping force is more uniform.

[0019] The utility model is further configured as follows: the clamping assembly includes a circular ring that slides in the annular groove, a plurality of rectangular blocks fixed to the circumferential side of the circular ring, an inclined block fixed to the lower side of the rectangular block, a plurality of protrusions that elastically slide in the plurality of rectangular grooves, a clamping plate fixed to one end of the protrusion, and a rubber layer fixed to the inner side of the clamping plate, wherein one of the rectangular blocks is threadedly engaged with the screw rod.

[0020] By adopting the above technical scheme, an inclined block is arranged on the lower side of the rectangular block, and a convex block is arranged on one side of the clamping plate. The screw is used to cooperate with the thread of one of the rectangular blocks to drive the inclined block to squeeze the convex block, and then the convex block drives the clamping plate to extend out of the rectangular groove to clamp the pipe. Since the circular ring is fixedly connected to the multiple rectangular blocks, the synchronous movement of the multiple rectangular blocks is realized, so that the multiple clamping plates clamp and fix the pipe synchronously, and the rubber layer on the inner side of the clamping plate is used to further increase the friction between the clamping plate and the pipe, so that the stability between the long neck flange and the pipe is stronger.

[0021] The utility model is further configured as follows: the clamping plate is an arc-shaped plate, the clamping plate is located on the peripheral side of the inner wall of the inner end of the long-neck flange, the other end of the protrusion is an arc-shaped protrusion structure, the inclined side of the inclined block corresponds to the arc-shaped protrusion structure, and a spring is fixed between the arc-shaped protrusion structure and one end of the inner wall of the rectangular groove.

[0022] By adopting the above technical solution, the arc plate can be better fitted with the surface of the pipe, and the inclined side of the inclined block can better squeeze the arc-shaped protruding structure when in contact with it, so that it pushes the clamping plate to extend and retract, and the spring can be used to drive the clamping plate to reset, thereby achieving clamping and fixation of different pipes.

[0023] In summary, the beneficial technical effects of the utility model are:

[0024] 1. By arranging an outer plate on the outer side of the inner end of the long-neck flange and a plurality of rubber pads on the inner side of the outer plate, after the two long-neck flanges are screwed in the mounting holes, the outer plate can be rotated so that the plurality of rubber pads on the inner side of the outer plate are inserted into the circular holes and the plurality of mounting holes for sealing and protection, thereby effectively preventing the screws in the mounting holes from being exposed and rusting in the later stage, and making the disassembly and assembly of the long-neck flange more convenient and smooth.

[0025] 2. By setting a clamping assembly inside the inner end of the long-neck flange and a screw in the circular hole, the clamping assembly can be driven inward by rotating the screw, thereby changing the diameter of the clamping assembly to achieve tight clamping of the pipe in the long-neck flange, further improving the stability of the long-neck flange after installation, and effectively reducing the occurrence of pipe sliding in the long-neck flange.

[0026] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0028] Figure 1 This is a schematic diagram of a three-dimensional structure of a long-neck flange assembly according to an embodiment of the utility model;

[0029] Figure 2 This is a schematic diagram of the cross-sectional structure of the outer panel assembly of one embodiment of the utility model;

[0030] Figure 3 for Figure 2 Schematic diagram of the structure at A in the middle;

[0031] Figure 4 This is a schematic diagram of the cross-sectional structure of a rectangular slot assembly according to an embodiment of the utility model;

[0032] Figure 5 This is a schematic diagram of the cross-sectional structure of a rectangular block assembly according to an embodiment of the utility model;

[0033] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0034] 1. Long-neck flange; 2. Round hole; 3. Outer plate; 4. Through hole; 5. Rubber pad; 6. Telescopic assembly; 601. Fixed plate; 602. L-shaped plate; 7. Rectangular groove; 8. Annular groove; 9. Mounting hole; 10. Round ring; 11. Rectangular block; 12. Oblique block; 13. Bump; 14. Clamping plate; 15. Screw; 16. Spring. DETAILED DESCRIPTION

[0035] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0036] Reference Figure 1-5 , which is a long-neck flange that is easy to connect disclosed by the utility model, comprising: two corresponding long-neck flanges 1, a circular hole 2 and a plurality of mounting holes 9 are opened in the middle of the frame of the inner end of the two long-neck flanges 1, an outer plate 3 is rotatably matched with the relative outer sides of the inner ends of the two long-neck flanges 1, a plurality of through holes 4 are opened in the middle of the outer plate 3, a plurality of rubber pads 5 are fixed on the inner side of the outer plate 3, and the plurality of through holes 4 and the plurality of rubber pads 5 correspond to the circular hole 2 and the plurality of mounting holes 9;

[0037] An annular groove 8 and a plurality of rectangular grooves 7 are provided inside the inner end of the long-neck flange 1, the circular hole 2 is connected with one of the rectangular grooves 7, the annular groove 8 is connected with the plurality of rectangular grooves 7, a clamping assembly is installed in the annular groove 8 and the plurality of rectangular grooves 7, a screw 15 which is rotatably matched with the thread of the clamping assembly is provided in the circular hole 2.

[0038] The application of one aspect of this embodiment is as follows: first, two long-necked flanges 1 are sleeved on the circumference of the connection between the two pipes, and then the two outer plates 3 are rotated respectively so that the multiple through holes 4 in the middle of the two outer plates 3 correspond one to one with the circular holes 2 and the multiple mounting holes 9 in the middle of the frame of the two long-necked flanges 1, and then the screws are installed in the corresponding two mounting holes 9, thereby completing the fixed connection of the two long-necked flanges 1, and then the screw 15 is rotated, and the screw 15 is threadedly matched with the clamping assembly so that the clamping assembly is retracted inward, thereby fitting against the circumference of the pipe for contact clamping, and at this time, the position fixation of the two long-necked flanges 1 is completed, and finally the two outer plates 3 are rotated again so that the multiple rubber pads 5 on the inner side of the two outer plates 3 are respectively inserted into the circular holes 2 and the multiple mounting holes 9 in the middle of the frame of the two long-necked flanges 1, thereby completing the sealing of the circular holes 2 and the multiple mounting holes 9, effectively reducing the occurrence of the screws 15 and the multiple screws in the circular holes 2 and the multiple mounting holes 9 being exposed to the outside, thereby completing the installation and use of the long-necked flange 1. It should be noted that all electrical devices involved in this application can be powered by batteries or external power supplies.

[0039] Reference Figure 1-2 In this embodiment, the plurality of mounting holes 9 all penetrate the middle of the frame at the inner end of the long-neck flange 1, and a telescopic assembly 6 is installed between the long-neck flange 1 and the peripheral side of the outer plate 3. First, screws can be installed in the two mounting holes 9 corresponding to the two long-neck flanges 1, so that the two long-neck flanges 1 are fixedly connected.

[0040] Reference Figure 1-2 The telescopic assembly 6 of this embodiment includes a fixing plate 601 fixed to the side of the long neck flange 1, an L-shaped plate 602 elastically matched to the middle of one end of the fixing plate 601, an outer plate 3 rotatably matched to the inner side of the L-shaped plate 602, and multiple through holes 4 and multiple rubber pads 5 are staggered. When it is necessary to install the screws, first rotate the outer plate 3, and then the outer plate 3 rotates to match the inner side of the L-shaped plate 602, so that the multiple through holes 4 in the middle of the outer plate 3 correspond to the circular hole 2 and the multiple mounting holes 9 one by one. At this time, the screws and the screw rod 15 are installed and adjusted. After completion, the outer plate 3 is rotated again. At this time, the multiple rubber pads 5 on the inner side of the outer plate 3 are respectively inserted into the circular hole 2 and the multiple mounting holes 9 to seal and fit them. In addition, since the L-shaped plate 602 and the fixing plate 601 are elastically matched, the L-shaped plate 602 will drive the outer plate 3 to fit more closely to the outer side of the long neck flange 1.

[0041] Reference Figure 4-5In this embodiment, one end of the plurality of rectangular grooves 7 penetrates the inner wall of the inner end of the long neck flange 1, and the plurality of rectangular grooves 7 are arranged equidistantly in a circle on the circumference of the annular groove 8. The clamping assembly includes a ring 10 slidingly fitted in the annular groove 8, a plurality of rectangular blocks 11 fixed on the circumference of the ring 10, an inclined block 12 fixed on the lower side of the rectangular block 11, a plurality of protrusions 13 elastically slidingly fitted in the plurality of rectangular grooves 7, a clamping plate 14 fixed on one end of the protrusion 13, and a rubber layer fixed on the inner side of the clamping plate 14, wherein one rectangular block 11 is threadedly fitted with a screw 15.

[0042] First, the screw rod 15 is rotated so that the screw rod 15 and one of its rectangular blocks 11 are threadedly matched, and then one of the rectangular blocks 11 drives the ring 10 to move synchronously, and then the ring 10 drives the other rectangular blocks 11 to move synchronously at the same time, so that the multiple inclined blocks 12 on the lower sides of the multiple rectangular blocks 11 squeeze the multiple protrusions 13 at the same time, and then the protrusions 13 drive the clamping plate 14 to extend out of the rectangular groove 7 and contact and clamp the surface of the pipe. When canceling the clamping, the screw rod 15 can be rotated in the opposite direction, so that the multiple inclined blocks 12 cancel the squeezing relationship with the multiple protrusions 13, and then the spring 16 elastically rebounds to drive the clamping plate 14 to reset.

[0043] Reference Figure 4-5 The clamping plate 14 of this embodiment is an arc-shaped plate, which is located on the circumferential side of the inner wall of the inner end of the long-neck flange 1. The other end of the protrusion 13 is an arc-shaped protrusion structure. The inclined side of the inclined block 12 corresponds to the arc-shaped protrusion structure. A spring 16 is fixed between the arc-shaped protrusion structure and one end of the inner wall of the rectangular groove 7. The arc-shaped plate can better fit the surface of the pipeline and better contact and clamp it. In addition, the inclined side of the inclined block 12 contacts and squeezes the arc-shaped protrusion structure at the other end of the protrusion 13, so that it can slide out of the rectangular groove 7 better, and the spring 16 is used to elastically rebound to drive the clamping plate 14 to reset.

[0044] The above-mentioned embodiments may be combined with each other.

[0045] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A long-neck flange that is easy to connect, comprising: Two corresponding long-neck flanges (1), characterized in that a circular hole (2) and a plurality of mounting holes (9) are provided in the middle of the frame at the inner ends of the two long-neck flanges (1), an outer plate (3) is rotatably matched with the relative outer sides of the inner ends of the two long-neck flanges (1), a plurality of through holes (4) are provided in the middle of the outer plate (3), a plurality of rubber pads (5) are fixed on the inner side of the outer plate (3), and the plurality of through holes (4) and the plurality of rubber pads (5) correspond to the circular hole (2) and the plurality of mounting holes (9); An annular groove (8) and a plurality of rectangular grooves (7) are provided inside the inner end of the long-neck flange (1); the circular hole (2) is connected to one of the rectangular grooves (7); the annular groove (8) is connected to the plurality of rectangular grooves (7); a clamping assembly is installed in the annular groove (8) and the plurality of rectangular grooves (7); a screw (15) is rotatably engaged with the circular hole (2) and is threadably engaged with the clamping assembly.

2. The long-neck flange for easy connection according to claim 1, characterized in that: The plurality of mounting holes (9) all penetrate the middle of the frame at the inner end of the long-neck flange (1), and a telescopic component (6) is installed between the long-neck flange (1) and the peripheral side of the outer plate (3).

3. The long-neck flange for easy connection according to claim 2, characterized in that: The telescopic assembly (6) comprises a fixing plate (601) fixed to the circumferential side of the long-neck flange (1), an L-shaped plate (602) elastically fitted to the middle part of one end of the fixing plate (601), and the outer plate (3) rotatably fits to the inner side of the L-shaped plate (602).

4. The long-neck flange for easy connection according to claim 1, characterized in that: The plurality of through holes (4) and the plurality of rubber pads (5) are arranged in a staggered manner.

5. The long-neck flange for easy connection according to claim 1, characterized in that: One end of the plurality of rectangular grooves (7) penetrates the inner wall of the inner end of the long-neck flange (1), and the plurality of rectangular grooves (7) are equidistantly arranged in a circle on the circumferential side of the annular groove (8).

6. The long-neck flange for easy connection according to claim 1, characterized in that: The clamping assembly comprises a circular ring (10) slidably fitted in the annular groove (8), a plurality of rectangular blocks (11) fixed to the circumference of the circular ring (10), an inclined block (12) fixed to the lower side of the rectangular block (11), a plurality of protrusions (13) elastically slidably fitted in the plurality of rectangular grooves (7), a clamping plate (14) fixed to one end of the protrusion (13), and a rubber layer fixed to the inner side of the clamping plate (14), wherein the rectangular block (11) is threadedly fitted with the screw rod (15).

7. The long-neck flange for easy connection according to claim 6, characterized in that: The clamping plate (14) is an arc-shaped plate, and the clamping plate (14) is located on the circumferential side of the inner wall of the inner end of the long-neck flange (1). The other end of the protrusion (13) is an arc-shaped protrusion structure. The inclined surface side of the inclined block (12) corresponds to the arc-shaped protrusion structure. A spring (16) is fixed between the arc-shaped protrusion structure and one end of the inner wall of the rectangular groove (7).

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