CN221097823U - Flat welding flange with neck - Google Patents
Flat welding flange with neck Download PDFInfo
- Publication number
- CN221097823U CN221097823U CN202322919986.XU CN202322919986U CN221097823U CN 221097823 U CN221097823 U CN 221097823U CN 202322919986 U CN202322919986 U CN 202322919986U CN 221097823 U CN221097823 U CN 221097823U
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- flange
- neck
- clamping block
- flange plate
- clamping
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- 238000003466 welding Methods 0.000 title abstract description 19
- 210000003739 neck Anatomy 0.000 claims abstract description 76
- 230000006978 adaptation Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of flanges, and discloses a neck flat welding flange, which comprises: the flange plate is provided with a plurality of bolt holes for installing bolts, a round hole is formed in the middle of the flange plate, and a detachable flange neck is arranged on the flange plate; the flange neck comprises two assembling necks which can be spliced with each other, a fixing device is arranged between the two assembling necks, the fixing device comprises a clamping block and a positioning ring, the clamping block is fixed on one side of the flange plate, and a clamping groove matched with the clamping block is formed in one side, away from the clamping block, of the flange neck; according to the utility model, through the arrangement of the structures such as the assembly neck, the fixing device and the clamping structure, the assembly neck can be quickly arranged at the top of the flange plate, so that the flange neck and the flange plate can be quickly assembled and disassembled, the damaged flange neck part can be quickly and singly replaced by people, the maintenance cost of the flange with the neck and the flat welding flange is reduced, and the flange with the neck and the flat welding flange can be conveniently used.
Description
Technical Field
The utility model relates to the technical field of flanges, in particular to a neck flat welding flange.
Background
The flange is a part for connecting shafts and is used for connecting pipe ends, also is a flange used on an inlet and an outlet of equipment and is used for connecting two pieces of equipment, and the flange is divided into a plurality of types including an integral flange, a threaded flange, a butt welding flange, a neck flat welding flange and the like, and the neck flat welding flange is a flange which is used for extending a steel pipe, a pipe fitting and the like into the flange and is connected with equipment or a pipeline through fillet weld.
In the Chinese patent with the publication number of CN216743301U, a flat welding flange with a neck is disclosed, and has the advantages of close matching of a flange neck and a flange plate, convenient installation, firm welding and the like, and can effectively improve the welding quality between the flange neck and the flange plate and enhance the strength of connection; however, when the neck flat welding flange is used, the flange neck is of an integral structure, and when the flange neck needs to be replaced, the whole flange needs to be disassembled and replaced, so that the part of the flange which is not damaged is replaced, the resource waste is caused, and the maintenance cost of the neck flat welding flange is increased.
Disclosure of utility model
The utility model provides a flange with a neck and a flat welding method, which aims to solve the problem that when the existing flange neck needs to be replaced, the whole flange needs to be disassembled and replaced, so that a part of a flange plate which is not damaged is replaced, and resources are wasted.
In order to achieve the above object, the present utility model provides the following technical solutions: a necked-in flat welded flange comprising:
The flange plate is provided with a plurality of bolt holes for installing bolts, a round hole is formed in the middle of the flange plate, and a detachable flange neck is arranged on the flange plate;
The flange neck comprises two assembly necks which can be spliced with each other, a fixing device is arranged between the two assembly necks, the fixing device comprises a clamping block and a positioning ring, the clamping block is fixed on one side of the flange plate, a clamping groove which is matched with the clamping block is formed in one side, away from the clamping block, of the flange neck, and a clamping mechanism is arranged between the clamping block and the positioning ring.
In one possible implementation manner, the clamping mechanism comprises a limiting block fixed at the bottom of the clamping block, the bottom of the limiting block extends to the inside of the positioning ring, two connecting rods are symmetrically fixed on the inner wall of the round hole, and the positioning ring is arranged above the connecting rods.
In one possible implementation manner, the positioning ring is provided with a rectangular groove, and the limiting block is arranged in the rectangular groove.
In one possible implementation manner, an inserting rod is fixed at one end of the connecting rod away from the round hole, and the top of the inserting rod is inserted in the rectangular groove.
In one possible implementation manner, the top of the inserting rod is provided with a protruding portion, an inserting block matched with the limiting block is arranged on the protruding portion, the limiting block is inserted on the inserting block, and the bottom of the limiting block penetrates through the rectangular groove and then is connected with the inserting block.
In one possible implementation manner, the middle part of the flange neck is provided with a through hole, the diameter of the through hole is equal to the inner diameter of the positioning ring, the bottom of the flange neck is connected with the top of the flange plate, the middle parts of the two assembly necks are provided with grooves, one sides of the two assembly necks with the grooves are spliced to form the through hole, and the circle center of the through hole of the flange neck and the circle center of the round hole of the flange plate are arranged on the same vertical horizontal line.
In the technical scheme, the utility model has the technical effects and advantages that:
(1) Through the arrangement of the structures such as the assembly neck, the fixing device and the clamping structure, the assembly neck can be quickly installed at the top of the flange plate, so that quick assembly and disassembly between the flange neck and the flange plate are realized, people can conveniently and quickly replace the damaged flange neck part singly, the problem that when the flange neck needs to be replaced, the whole flange needs to be disassembled and replaced, the part of the flange plate which is not damaged is replaced, so that the resource waste is caused is solved, the maintenance cost of the flange with the neck and the flange with the flat welding is greatly reduced, and the flange with the flat welding is convenient to use;
(2) The through hole on the locating ring is aligned with the protruding part on the inserted link, so that the inserted link is inserted into the through hole on the locating ring, and the limiting block is connected with the inserted block after penetrating through the through hole on the locating ring, so that the assembly neck can be mounted on the locating ring, and the assembly neck is prevented from rotating during use, so that the device is ensured to be stably used.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a bottom view of the flange of FIG. 1 according to the present utility model;
FIG. 3 is a schematic view of the fixing device of FIG. 1 according to the present utility model;
Fig. 4 is a schematic view of the flange neck of fig. 1 according to the present utility model.
In the figure: 1. a flange plate; 2. a flange neck; 3. a fixing device; 201. assembling the neck; 301. a clamping block; 302. a clamping groove; 303. a limiting block; 304. a positioning ring; 305. a connecting rod; 306. and a plunger.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a neck flat welding flange as shown in fig. 1, comprising:
The flange plate 1 is provided with a plurality of bolt holes for installing bolts, a round hole is formed in the middle of the flange plate 1, and a detachable flange neck 2 is arranged on the flange plate 1;
from the above, when in use, after the two flange necks 2 are inserted into a pipeline with a required mounting flange, one sides of the two flange plates 1 far away from the flange necks 2 are attached, then the threaded holes of the two flange plates 1 are aligned, and the two flange plates 1 are connected and fixed through bolts, so that the use of the flat welding flange is realized.
Referring to fig. 1-4, the flange neck 2 comprises two assembling necks 201 which can be mutually spliced, a fixing device 3 is arranged between the two assembling necks 201, the fixing device 3 comprises a clamping block 301 and a positioning ring 304, the clamping block 301 is fixed on one side of the flange plate 1, a clamping groove 302 which is matched with the clamping block 301 is formed in one side, away from the clamping block 301, of the flange neck 2, and a clamping mechanism is arranged between the clamping block 301 and the positioning ring 304; the flange neck 2 is formed by splicing two assembly necks 201;
The clamping mechanism comprises a limiting block 303 fixed at the bottom of the clamping block 301, the bottom of the limiting block 303 extends to the inside of a positioning ring 304, two connecting rods 305 are symmetrically fixed on the inner wall of the round hole, and the positioning ring 304 is arranged above the connecting rods 305; the positioning ring 304 is provided with a rectangular groove, and the limiting block 303 is arranged in the rectangular groove.
By adopting the technical scheme:
When the flange plate is used, one ends of the two assembly necks 201 with the grooves are arranged on opposite sides, after the limiting block 303 fixed on one assembly neck 201 is aligned with the clamping groove 302 on the other assembly neck 201, one assembly neck 201 is pushed downwards to move downwards, the limiting block 303 is enabled to move downwards along the inside of the clamping groove 302, the clamping block 301 is inserted into the inside of the clamping groove 302, and meanwhile the limiting block 303 is enabled to be inserted into the through hole on the positioning ring 304, so that the assembly neck 201 is rapidly arranged on the top of the flange plate 1, and a worker can conveniently maintain or replace the damaged assembly neck 201.
In addition, referring to fig. 1 to 4, an insert rod 306 is fixed at one end of the connecting rod 305 far from the round hole, and the top of the insert rod 306 is inserted into the rectangular groove; the top of the inserted link 306 is provided with a protruding part, the protruding part is provided with an inserted block matched with the limiting block 303, the limiting block 303 is inserted on the inserted block, and the bottom of the limiting block 303 passes through the rectangular groove and then is connected with the inserted block; the middle part of flange neck 2 is provided with the through-hole, and the diameter of through-hole equals with the internal diameter of holding ring 304, and the bottom of flange neck 2 is connected with the top of ring flange 1, and the middle part of two equipment neck 201 is provided with the recess, and the through-hole is constituteed in the concatenation of two one side that the equipment neck 201 has the recess, and the centre of a circle of the through-hole of flange neck 2 and the centre of a circle of the round hole of ring flange 1 set up on same vertical horizontal line.
By adopting the technical scheme:
When in use, the through hole of the positioning ring 304 is aligned with the protruding part of the inserted link 306, so that the inserted link 306 is inserted into the through hole of the positioning ring 304, and the limiting block 303 is connected with the inserted block after passing through the through hole of the positioning ring 304, thereby the assembly neck 201 can be mounted on the positioning ring 304, and the assembly neck 201 is prevented from rotating when in use, so as to ensure the stable use of the device.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. A necked-in flat welded flange comprising:
The flange plate (1), a plurality of bolt holes for installing bolts are formed in the flange plate (1), a round hole is formed in the middle of the flange plate (1), and a detachable flange neck (2) is arranged on the flange plate (1);
The flange neck (2) comprises two assembly necks (201) which can be spliced with each other, a fixing device (3) is arranged between the two assembly necks (201), the fixing device (3) comprises a clamping block (301) and a positioning ring (304), the clamping block (301) is fixed on one side of the flange plate (1), a clamping groove (302) which is matched with the clamping block (301) is formed in one side, far away from the clamping block (301), of the flange neck (2), and a clamping mechanism is arranged between the clamping block (301) and the positioning ring (304).
2. A necked butt flange according to claim 1, wherein: the clamping mechanism comprises a limiting block (303) fixed at the bottom of the clamping block (301), the bottom of the limiting block (303) extends to the inside of a positioning ring (304), two connecting rods (305) are symmetrically fixed on the inner wall of the round hole, and the positioning ring (304) is arranged above the connecting rods (305).
3. A necked butt flange according to claim 2, wherein: rectangular grooves are formed in the positioning rings (304), and limiting blocks (303) are arranged in the rectangular grooves.
4. A necked butt flange according to claim 3, wherein: and an inserting rod (306) is fixed at one end of the connecting rod (305) far away from the round hole, and the top of the inserting rod (306) is inserted into the rectangular groove.
5. A necked butt welded flange as defined in claim 4 wherein: the top of inserted link (306) is provided with the bellying, be provided with the inserted block with stopper (303) looks adaptation on the bellying, stopper (303) are inserted and are established on the inserted block.
6. A necked butt welded flange as defined in claim 5, wherein: the middle part of flange neck (2) is provided with the through-hole, the diameter of through-hole equals with the internal diameter of holding ring (304), and the bottom of flange neck (2) is connected with the top of ring flange (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322919986.XU CN221097823U (en) | 2023-10-30 | 2023-10-30 | Flat welding flange with neck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322919986.XU CN221097823U (en) | 2023-10-30 | 2023-10-30 | Flat welding flange with neck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221097823U true CN221097823U (en) | 2024-06-07 |
Family
ID=91311189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322919986.XU Active CN221097823U (en) | 2023-10-30 | 2023-10-30 | Flat welding flange with neck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221097823U (en) |
-
2023
- 2023-10-30 CN CN202322919986.XU patent/CN221097823U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |