Hubbed flange with good sealing performance

Abstract

The utility model belongs to the technical field of hubbed flanges, and particularly relates to a hubbed flange with good sealing performance, which comprises a first flange and a plurality of slots arranged on the bottom surface of the first flange. The second flange is arranged below the first flange and attached to the bottom face of the first flange, the top face of the second flange is fixedly connected with a plurality of second inserting blocks, the second inserting blocks are located in the inserting grooves respectively, and inserting holes are formed in the second inserting blocks; the sealing groove is formed in the inner wall of the second flange, a positioning groove is formed in the inner wall of the sealing groove, a first inserting block is inserted into the sealing groove, a fixing block is fixedly connected to the top face of the first inserting block, and the top face of the fixing block is fixed to the bottom face of the first flange; the hubbed flange solves the problems that when the hubbed flange is used, the hubbed flange is fixed with other flanges through bolts, a user needs to use a tool to fix a plurality of bolts in sequence in the fixing mode, the working time of the user is prolonged, and the working efficiency is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of neck flanges, and in particular relates to a neck flange with good sealing performance. Background Art

[0002] Neck flange is a flange of a specific shape used to connect pipes, valves, pumps and other equipment to ensure the sealing and stable connection of the piping system. This flange is characterized by a protruding "neck" or "column neck" on its periphery, making it look like a ring-shaped neck.

[0003] For example, the Chinese patent with publication number CN209540262U discloses a flange with a neck, including a flange body, a matching hole is provided in the center of the flange body along the axial direction of the flange body, the flange body includes a neck section and a flange ring, and a plurality of connection holes are provided in the circumferential direction along the axial direction of the flange body on the flange ring, the neck section includes a first cone section, a second cone section and a straight section, one end of the straight section is connected to the large-diameter end of the first cone section and the other end is connected to the small-diameter end of the second cone section, the large-diameter end of the second cone section is connected to one end face of the flange ring, the inner side of the port of the matching hole facing the neck section and the outer side of the connection between the large-diameter end of the second cone section and one end face of the flange ring are both provided with a circular arc chamfer structure, and a sealing gasket installation groove is also provided on the end face of the flange ring on the inner side of the connection hole away from the neck section. The flange is provided with a sealing gasket installation groove for easy accurate placement of the sealing gasket, which effectively prevents the displacement of the sealing gasket when the flange is connected to the pipe fitting, ensures good sealing at the pipe fitting connection, and the flange has a simple structure and is convenient for industrial production implementation.

[0004] The above patent has the following problems:

[0005] This patent has some disadvantages when used, such as: the above-mentioned neck flange is fixed to other flanges by bolts when used, and this fixing method requires the user to use tools to fix multiple bolts in sequence, which increases the user's working time and reduces work efficiency. In view of this, we propose a neck flange with good sealing performance. Utility Model Content

[0006] The utility model aims to provide a neck flange with good sealing performance to solve the problems raised in the above background technology.

[0007] In view of this, the utility model provides a neck flange with good sealing performance, comprising:

[0008] A first flange and a plurality of slots, wherein the plurality of slots are provided on a bottom surface of the first flange;

[0009] A second flange, wherein the second flange is arranged below the first flange and is in contact with the bottom surface of the first flange, a plurality of second plug-in blocks are fixedly connected to the top surface of the second flange, and the plurality of second plug-in blocks are respectively located in the plurality of slots, and a plug hole is provided on the second plug-in block;

[0010] A sealing groove, wherein the sealing groove is formed on the inner wall of the second flange, a positioning groove is formed on the inner wall of the sealing groove, a first plug-in block is inserted into the sealing groove, a fixing block is fixedly connected to the top surface of the first plug-in block, and the top surface of the fixing block is fixed to the bottom surface of the first flange;

[0011] A plurality of slide grooves, wherein the plurality of slide grooves are respectively provided on the inner walls of the plurality of slots, wherein a threaded rod is slidably connected in the slide groove, and one end of the threaded rod extends into the insertion hole, and one end of the threaded rod is fixedly connected to a limit block, and the limit block is located in the insertion hole;

[0012] A driving assembly is located in the first flange and is used to drive the multiple threaded rods to move.

[0013] Based on the above structure, through the setting of the sealing groove, positioning groove, first plug block and fixed block, the first plug block can be normally inserted into the sealing groove, and the fixed block can be normally inserted into the positioning groove, so that the sealing gasket set on the first plug block and the fixed block can seal the first flange and the second flange, thereby improving the sealing between the first flange and the second flange; through the setting of the slot and the second plug block, the second plug block can be inserted into the slot; through the setting of the slide groove and threaded rod, the threaded rod can slide in the slide groove; through the setting of the driving assembly, the socket and the limit block, when the user drives multiple threaded rods to slide through the driving assembly, the multiple threaded rods will respectively drive the multiple limit blocks to be inserted into the corresponding sockets, and the multiple second plug blocks will be respectively fixed in the multiple slots and cannot move.

[0014] In the above technical solution, further, the driving component includes:

[0015] A plurality of gear grooves, wherein the plurality of gear grooves are respectively provided on the inner walls of the plurality of slide grooves, wherein bevel gears are rotatably connected in the gear grooves, and the bevel gears are arranged on the circumference of the threaded rod and are threadedly connected to the threaded rod;

[0016] A first rotating groove, wherein the first rotating groove is disposed in the first flange and is connected to the plurality of gear grooves, a bevel gear ring is rotatably connected in the first rotating groove, and the bevel gear ring is meshed with the plurality of bevel gears;

[0017] The second rotating groove is arranged in the second flange and is connected with the first rotating groove. A through groove connected with the outside is arranged on the inner wall of the second rotating groove. A worm wheel is rotatably connected in the second rotating groove, and the bottom end of the worm wheel extends into the first rotating groove and is fixedly connected with the top surface of the bevel gear ring. A worm is meshed with one side of the worm wheel.

[0018] In this technical solution, it is ensured that the user can quickly install the first flange and the second flange.

[0019] In the above technical solution, further, the worm is located in the through slot and is rotatably connected to the through slot, and one end of the worm is fixedly connected to a handle.

[0020] In this technical solution, it is ensured that the worm can rotate normally in the through slot, and it is ensured that the user can drive the worm to rotate through the handle on one end of the worm.

[0021] In the above technical solution, further, sealing gaskets are provided on the peripheral sides of the first plug-in block and the peripheral sides of the fixing block, and the fixing block is located in the positioning groove and plug-fitted with the positioning groove.

[0022] In this technical solution, the sealing gaskets arranged on the peripheral sides of the first plug block and the fixed block can block the gap between the first flange and the second flange to prevent liquid leakage inside the first flange and the second flange, ensuring that the fixed block can be normally inserted into the positioning groove.

[0023] In the above technical solution, further, the second plug block is plugged into the slot, and the limit block is plugged into the socket.

[0024] In this technical solution, it is ensured that the second plug-in block can be normally inserted into the slot, and it is ensured that the limit block can be normally inserted into the socket.

[0025] In the above technical solution, further, one end of the threaded rod is slidably connected to the socket, and the other end of the threaded rod is rectangular.

[0026] In the technical solution, it is ensured that one end of the threaded rod can slide normally in the insertion hole, and it is ensured that the threaded rod can only slide in the sliding groove.

[0027] The beneficial effects of the utility model are:

[0028] The neck flange with good sealing performance allows the first plug block to be normally inserted into the sealing groove through the provided sealing groove, positioning groove, first plug block and fixing block, and allows the fixing block to be normally inserted into the positioning groove, so that the sealing gasket provided on the first plug block and the fixing block can seal the first flange and the second flange, thereby improving the sealing performance between the first flange and the second flange; the second plug block can be inserted into the slot through the provided slot and the second plug block; the threaded rod can slide in the slot through the provided slide groove and threaded rod; when the user drives multiple threaded rods to slide through the driving assembly, the multiple threaded rods will respectively drive multiple limit blocks to be inserted into corresponding insert holes through the provided driving assembly, and the multiple second plug blocks will be respectively fixed in the multiple slots and cannot move, thereby ensuring that the user can quickly complete the installation of the first flange and the second flange, and solves the problem that the neck flange is fixed to other flanges by bolts when in use, and this fixing method requires the user to use tools to fix multiple bolts in sequence, which increases the user's working time and reduces the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0030] Figure 2 It is a schematic diagram of the explosion structure of the area of ​​the utility model;

[0031] Figure 3 This is one of the schematic diagrams of the internal structure of the first flange of the utility model;

[0032] Figure 4 This is the second schematic diagram of the internal structure of the first flange of the utility model;

[0033] Figure 5 This is the third schematic diagram of the internal structure of the first flange of the utility model.

[0034] The symbols in the figure are:

[0035] 1. First flange; 2. Second flange; 3. Sealing groove; 4. Positioning groove; 5. First plug-in block; 6. Fixing block; 7. Slot; 8. Second plug-in block; 9. Socket; 10. Slide groove; 11. Threaded rod; 12. Limit block; 13. Gear groove; 14. Bevel gear; 15. First rotating groove; 16. Bevel gear ring; 17. Second rotating groove; 18. Through groove; 19. Worm wheel; 20. Worm. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0037] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0038] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0039] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0040] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples. Example 1

[0041] See also Figure 1 - Figure 5 As shown, this embodiment provides a neck flange with good sealing performance, including:

[0042] A first flange 1 and a plurality of slots 7, wherein the plurality of slots 7 are provided on a bottom surface of the first flange 1;

[0043] The second flange 2 is arranged below the first flange 1 and is attached to the bottom surface of the first flange 1. A plurality of second plug-in blocks 8 are fixedly connected to the top surface of the second flange 2. The plurality of second plug-in blocks 8 are respectively located in the plurality of slots 7. The second plug-in blocks 8 are provided with plug holes 9.

[0044] A sealing groove 3, which is provided on the inner wall of the second flange 2, and a positioning groove 4 is provided on the inner wall of the sealing groove 3, a first plug-in block 5 is inserted into the sealing groove 3, a fixing block 6 is fixedly connected to the top surface of the first plug-in block 5, and a top surface of the fixing block 6 is fixed to the bottom surface of the first flange 1;

[0045] A plurality of slide grooves 10, the plurality of slide grooves 10 are respectively provided on the inner walls of the plurality of slots 7, a threaded rod 11 is slidably connected in the slide groove 10, and one end of the threaded rod 11 extends into the insertion hole 9, one end of the threaded rod 11 is fixedly connected to a limit block 12, and the limit block 12 is located in the insertion hole 9;

[0046] A driving assembly is located in the first flange 1 and is used to drive the plurality of threaded rods 11 to move. Example 2

[0047] This embodiment provides a neck flange with good sealing performance. In addition to the technical solutions of the above embodiments, it also has the following technical features. The drive assembly includes:

[0048] A plurality of gear grooves 13, wherein the plurality of gear grooves 13 are respectively provided on the inner walls of the plurality of slide grooves 10, wherein a bevel gear 14 is rotatably connected in the gear groove 13, and the bevel gear 14 is arranged on the circumference of the threaded rod 11 and is threadedly connected to the threaded rod 11;

[0049] A first rotating groove 15, which is disposed in the first flange 1 and communicates with the plurality of gear grooves 13, a bevel gear ring 16 is rotatably connected in the first rotating groove 15, and the bevel gear ring 16 is meshed with the plurality of bevel gears 14;

[0050] The second rotating groove 17 is provided in the second flange 2 and communicated with the first rotating groove 15. A through groove 18 communicating with the outside is provided on the inner wall of the second rotating groove 17. A worm wheel 19 is rotatably connected in the second rotating groove 17, and the bottom end of the worm wheel 19 extends into the first rotating groove 15 and is fixedly connected to the top surface of the bevel gear ring 16. A worm 20 is meshed with one side of the worm wheel 19.

[0051] When the user needs to install the first flange 1 and the second flange 2 to each other, the user manually inserts the multiple second plug blocks 8 on the second flange 2 into the multiple slots 7. When the multiple second plug blocks 8 are respectively inserted into the multiple slots 7, the first plug block 5 and the fixing block 6 are respectively inserted into the sealing groove 3 and the positioning groove 4 to seal the gap between the first flange 1 and the second flange 2. Then, the user manually rotates the worm 20 to drive the worm wheel 19 to rotate in the second rotating groove 17, so that the bottom end of the worm wheel 19 drives the bevel gear ring 16 to rotate in the first rotating groove 15. When the bevel gear ring 16 rotates, the multiple bevel gears 14 are affected by the bevel gear ring 1 6 are meshed and rotated, when the multiple bevel gears 14 rotate in the multiple gear grooves 13 respectively, one ends of the multiple threaded rods 11 will be moved toward the direction of the multiple plug holes 9 by the action of the threads of the multiple bevel gears 14, so that one ends of the multiple threaded rods 11 respectively drive the multiple limit blocks 12 to move toward the direction of the multiple plug holes 9, and when the multiple limit blocks 12 move to appropriate positions, the multiple limit blocks 12 will be respectively inserted into the multiple plug holes 9, so that the multiple second plug blocks 8 are respectively fixed in the multiple slots 7. At this time, the user completes the installation of the first flange 1 and the second flange 2, ensuring that the user can quickly install the first flange 1 and the second flange 2. Example 3

[0052] This embodiment provides a neck flange with good sealing performance. In addition to the technical solutions of the above embodiments, it also has the following technical features: the worm 20 is located in the through groove 18 and is rotatably connected to the through groove 18, and one end of the worm 20 is fixedly connected to a handle.

[0053] The worm 20 is ensured to rotate normally in the through slot 18 , and the user is ensured to drive the worm 20 to rotate through the handle on one end of the worm 20 . Example 4

[0054] The present embodiment provides a neck flange with good sealing performance. In addition to the technical solutions of the above-mentioned embodiments, it also has the following technical features: sealing gaskets are provided on the peripheral sides of the first plug-in block 5 and the peripheral sides of the fixed block 6, and the fixed block 6 is located in the positioning groove 4 and is plugged into the positioning groove 4.

[0055] Among them, the sealing gaskets arranged on the peripheral sides of the first plug block 5 and the fixed block 6 can block the gap between the first flange 1 and the second flange 2 to prevent liquid leakage inside the first flange 1 and the second flange 2, and ensure that the fixed block 6 can be normally inserted into the positioning groove 4. Example 5

[0056] This embodiment provides a neck flange with good sealing performance. In addition to the technical solutions of the above embodiments, it also has the following technical features: the second plug block 8 is plugged into the slot 7, and the limit block 12 is plugged into the hole 9.

[0057] Here, it is ensured that the second inserting block 8 can be normally inserted into the slot 7 , and it is ensured that the limiting block 12 can be normally inserted into the insertion hole 9 . Example 6

[0058] This embodiment provides a neck flange with good sealing performance. In addition to the technical solutions of the above embodiments, it also has the following technical features: one end of the threaded rod 11 is slidably connected to the socket 9, and the other end of the threaded rod 11 is rectangular.

[0059] Here, it is ensured that one end of the threaded rod 11 can slide normally in the insertion hole 9 and that the threaded rod 11 can only slide in the sliding groove 10 .

[0060] When the user needs to install the first flange 1 and the second flange 2 to each other, the user manually inserts the multiple second plug blocks 8 on the second flange 2 into the multiple slots 7. When the multiple second plug blocks 8 are respectively inserted into the multiple slots 7, the first plug block 5 and the fixing block 6 are respectively inserted into the sealing groove 3 and the positioning groove 4 to seal the gap between the first flange 1 and the second flange 2. Then the user manually rotates the worm 20 to drive the worm wheel 19 to rotate in the second rotating groove 17, so that the bottom end of the worm wheel 19 drives the bevel gear ring 16 to rotate in the first rotating groove 15. When the bevel gear ring 16 rotates, the multiple bevel gears 14 are affected by the bevel gear ring 16. The gears 14 are engaged and rotated. When the multiple bevel gears 14 rotate in the multiple gear grooves 13 respectively, one ends of the multiple threaded rods 11 will be moved toward the direction of the multiple sockets 9 by the action of the threads of the multiple bevel gears 14, so that one ends of the multiple threaded rods 11 will drive the multiple limit blocks 12 to move toward the direction of the multiple sockets 9 respectively. When the multiple limit blocks 12 move to appropriate positions, the multiple limit blocks 12 will be inserted into the multiple sockets 9 respectively, so that the multiple second plug-in blocks 8 are fixed in the multiple slots 7 respectively. At this time, the user completes the installation of the first flange 1 and the second flange 2, ensuring that the user can quickly install the first flange 1 and the second flange 2.

[0061] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A neck flange with good sealing performance, characterized in that: include: A first flange (1) and a plurality of slots (7), wherein the plurality of slots (7) are provided on a bottom surface of the first flange (1); a second flange (2), the second flange (2) being arranged below the first flange (1) and in contact with the bottom surface of the first flange (1), a plurality of second plug-in blocks (8) being fixedly connected to the top surface of the second flange (2), and the plurality of second plug-in blocks (8) being respectively located in the plurality of slots (7), and a plug hole (9) being provided on the second plug-in block (8); A sealing groove (3), the sealing groove (3) being formed on the inner wall of the second flange (2), a positioning groove (4) being formed on the inner wall of the sealing groove (3), a first plug-in block (5) being inserted into the sealing groove (3), a fixing block (6) being fixedly connected to the top surface of the first plug-in block (5), and a top surface of the fixing block (6) being fixed to the bottom surface of the first flange (1); A plurality of slide grooves (10), wherein the plurality of slide grooves (10) are respectively arranged on the inner walls of the plurality of slots (7), a threaded rod (11) is slidably connected in the slide groove (10), and one end of the threaded rod (11) extends into the insertion hole (9), one end of the threaded rod (11) is fixedly connected to a limit block (12), and the limit block (12) is located in the insertion hole (9); A drive assembly is located in the first flange (1) and is used to drive the plurality of threaded rods (11) to move.

2. A neck flange with good sealing performance according to claim 1, characterized in that: The drive assembly comprises: A plurality of gear grooves (13), wherein the plurality of gear grooves (13) are respectively formed on the inner walls of the plurality of slide grooves (10), wherein a bevel gear (14) is rotatably connected in the gear groove (13), and the bevel gear (14) is arranged on the circumference of the threaded rod (11) and is threadably connected to the threaded rod (11); a first rotating groove (15), the first rotating groove (15) being disposed in the first flange (1) and being connected to the plurality of gear grooves (13), a bevel gear ring (16) being rotatably connected in the first rotating groove (15), and the bevel gear ring (16) being meshed with the plurality of bevel gears (14); A second rotating groove (17), wherein the second rotating groove (17) is provided in the second flange (2) and is connected to the first rotating groove (15); a through groove (18) connected to the outside is provided on the inner wall of the second rotating groove (17); a worm wheel (19) is rotatably connected in the second rotating groove (17); the bottom end of the worm wheel (19) extends into the first rotating groove (15) and is fixedly connected to the top surface of the bevel gear ring (16); a worm (20) is meshed with one side of the worm wheel (19).

3. A neck flange with good sealing performance according to claim 2, characterized in that: The worm (20) is located in the through slot (18) and is rotatably connected to the through slot (18); one end of the worm (20) is fixedly connected to a handle.

4. A neck flange with good sealing performance according to claim 1, characterized in that: Sealing pads are provided on the circumferential side of the first plug-in block (5) and the circumferential side of the fixing block (6); the fixing block (6) is located in the positioning groove (4) and is plugged into and matched with the positioning groove (4).

5. A neck flange with good sealing performance according to claim 1, characterized in that: The second plug block (8) is plug-fitted into the slot (7), and the limit block (12) is plug-fitted into the socket (9).

6. A neck flange with good sealing performance according to claim 1, characterized in that: One end of the threaded rod (11) is slidably connected to the insertion hole (9), and the other end of the threaded rod (11) is rectangular.

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