CN221258050U - Bending moment resistant flange plate for connecting ventilating duct - Google Patents
Bending moment resistant flange plate for connecting ventilating ductInfo
- Publication number
- CN221258050U CN221258050U CN202322891498.2U CN202322891498U CN221258050U CN 221258050 U CN221258050 U CN 221258050U CN 202322891498 U CN202322891498 U CN 202322891498U CN 221258050 U CN221258050 U CN 221258050U
- Authority
- CN
- China
- Prior art keywords
- flange
- reinforcing
- bending moment
- flange plate
- ventilation pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005452 bending Methods 0.000 title claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 48
- 238000009423 ventilation Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a bending moment resistant flange plate for ventilation pipeline connection, and relates to the technical field of ventilation pipeline connection. In order to solve the problems that in the prior art, the ventilation pipeline is supported in an auxiliary way only through the reinforcing plate, one side of the ventilation pipeline is inclined or damaged, and the connection performance of the ventilation pipeline is affected; the bending moment resistant flange plate for the ventilation pipeline connection comprises a flange plate and ventilation pipelines, wherein the flange plate fixedly connects the two ventilation pipelines through connecting bolts, the flange plate comprises a flange main body, reinforcing ribs, reinforcing rings and reinforcing seats, the reinforcing ribs are uniformly distributed on the surface of the flange main body, and the reinforcing rings and the reinforcing seats are respectively and fixedly installed on one side of the two flange main bodies; the utility model not only can provide excellent connection performance, but also can effectively resist the influence of bending moment, improves the stability and service life of the ventilating duct, and simultaneously, has lower manufacturing cost and is easy to popularize and apply due to simple structure.
Description
Technical Field
The utility model relates to the technical field of ventilation pipeline connection, in particular to a bending moment resistant flange plate for ventilation pipeline connection.
Background
The flange plate is a part for connecting the ventilating duct, and the corresponding supporting force at the connecting part is weak, so that the flange plate is easy to deform and bend when receiving a large bending moment. Concerning the bending moment resistant flange, related patents exist; for example, chinese patent publication No. CN217714022U discloses a bending moment resistant flange for air pipe connection, which adjusts the positions of the second reinforcing plate and the third reinforcing plate, and supports different air pipes in an auxiliary manner, thereby achieving the goal of reinforcing the flange neck of the moment flange for air pipe connection through a bending moment resistant structure.
The above patent has a certain bending moment resisting effect on the flange plate through the bending resistance structure, but the following problems still exist:
If the ventilating duct is supported in an auxiliary mode only through the reinforcing plate, the square ventilating duct cannot be guaranteed to be still deformed under the action of stress, one side of the square ventilating duct is inclined or damaged, and the connection performance of the ventilating duct can be affected under high load or special environments.
Disclosure of utility model
The utility model aims to provide the bending moment resistant flange for connecting the ventilating duct, which not only can provide excellent connection performance, but also can effectively resist the influence of bending moment, improves the stability and the service life of the ventilating duct, and can solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides an air pipe connects with bending moment resistant ring flange, includes ring flange and air pipe, the ring flange passes through connecting bolt with two air pipe fixed connection, the ring flange includes flange main part, strengthening rib, strengthening ring and reinforcing seat, and strengthening rib evenly distributed is on flange main part surface, and flange main part and strengthening rib welding, strengthening ring and reinforcing seat fixed mounting are in two flange main part one sides respectively.
Preferably, the reinforcing seat and the reinforcing ring are connected in a nested manner to form a dovetail groove, and the dovetail groove is connected with the dovetail insert block in a nested manner.
Preferably, the center of the dovetail insert block is provided with a threaded hole, and the threaded hole is meshed with the connecting bolt.
Preferably, the inner wall of the reinforcing seat is fixedly connected with the inclined strut guide sleeve through a bolt, and the inclined strut guide sleeve is nested and connected with two ends of the inclined strut rod.
Preferably, both ends of the inclined strut guide sleeve are fixedly connected with the supporting springs, the inner wall of the inclined strut guide sleeve is provided with a guide groove for the inclined strut to move, and the supporting springs are fixedly connected with the inner wall of the guide groove.
Compared with the prior art, the utility model has the following beneficial effects:
This air pipe connects with bending moment resistant ring flange, it is fixed with two flange main parts respectively through strengthening ring and boss, it is further fixed with boss and boss through the forked tail inserted block, effectively improved boss and boss's joint stress and counter-force, the bending moment resistant performance of junction has been guaranteed, not only excellent linking property can be provided, but also bending moment influence can be effectively resisted, air pipe's stability and life have been improved, diagonal bracing is carried out in the boss through the diagonal brace, in order to improve the tensile strength and the rigidity of square flange and square pipeline, simultaneously, because its simple structure, the cost of manufacture is lower, also easily popularization and application.
Drawings
FIG. 1 is a side view of a bending moment resistant flange plate for connecting a ventilation duct according to the present utility model;
FIG. 2 is an exploded isometric view of the flange of the present utility model;
FIG. 3 is a top cross-sectional view of the flange of the present utility model;
fig. 4 is a top cross-sectional view of the diagonal brace of the utility model.
In the figure: 1. a flange plate; 11. a flange main body; 111. a main flange; 112. an auxiliary flange; 113. a jack; 12. reinforcing ribs; 13. a reinforcing ring; 14. a reinforcing seat; 141. a diagonal bracing guide sleeve; 142. a diagonal brace; 143. a support spring; 15. a dovetail groove; 16. dovetail insert blocks; 161. a threaded hole; 2. a ventilation duct; 3. and (5) connecting bolts.
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 making any inventive effort, are intended to be within the scope of the utility model.
In order to solve the problem that in the prior art, only carry out auxiliary stay to the air pipe through the enhancement version, can't guarantee that square air pipe still warp under the atress effect, still can take place the condition of one side slope or damage, and under high load or the special environment, air pipe's connectivity can receive the influence, please refer to fig. 1-4, this embodiment provides following technical scheme:
The utility model provides an anti moment of bending ring flange for air pipe connection, includes ring flange 1 and air pipe 2, and ring flange 1 and air pipe 2 one end welding, ring flange 1 pass through connecting bolt 3 with two air pipe 2 fixed connection, ring flange 1 includes flange main part 11, strengthening rib 12, strengthening ring 13 and reinforcing seat 14, flange main part 11 comprises main flange 111 and vice flange 112, main flange 111 and strengthening ring 13 fixed connection, vice flange 112 and reinforcing seat 14 fixed connection, main flange 111 passes through strengthening ring 13 and vice flange 112's reinforcing seat 14 fixed connection, strengthening rib 12 evenly distributed is on flange main part 11 surface, when ring flange 1 receives moment of bending, these strengthening ribs 12 can provide effectual anti moment of bending support, flange main part 11 and reinforcing rib 12 welding, strengthening ring 13 and reinforcing seat 14 fixed mounting are in two flange main part 11 one sides respectively, the reinforcing seat 14 surface is provided with the slot with strengthening ring 13 looks adaptation, strengthening ring 13 and slot nested connection, effectively improved the installation effectiveness, further prevent that air pipe 2 from taking place bending deformation in the use, guarantee ventilation system's normal operation.
In this embodiment, the reinforcing seat 14 is connected with the reinforcing ring 13 in a nested manner to form a dovetail groove 15, the dovetail groove 15 is connected with the dovetail insert block 16 in a nested manner, the surface of the main flange 111 is provided with an insertion hole 113 matched with the dovetail insert block 16, the surface of the auxiliary flange 112 is provided with a threaded hole groove matched with the connecting bolt 3, the dovetail insert block 16 penetrates through the flange main body 11 to be inserted into the dovetail groove 15, the upper surface of the dovetail insert block 16 and the upper surface of the flange main body 11 form a plane, the center of the dovetail insert block 16 is provided with a threaded hole 161, and the threaded hole 161 is meshed with the connecting bolt 3.
In this example, after the dovetail insert block 16 is fixed, the connecting bolts 3 sequentially penetrate through the main flange 111 and the auxiliary flange 112, so that the two flange main bodies 11 are fixedly connected, the connection stability is ensured, the reinforcing seat 14 and the reinforcing ring 13 are further fixed through the dovetail insert block 16, the connection stress and the counter force of the reinforcing seat 14 and the reinforcing ring 13 are effectively improved, the bending moment resistance of the flange plate 1 can be effectively improved, the air tightness of the connecting part is improved, and the reliability of a ventilation system is ensured.
In this embodiment, the inner wall of the reinforcing seat 14 is fixedly connected with the diagonal bracing guide sleeve 141 through a bolt, the diagonal bracing guide sleeve 141 is nested with two ends of the diagonal bracing rod 142, two sides of the diagonal bracing guide sleeve 141 are welded with the reinforcing seat 14 through supporting rods, two ends of the diagonal bracing guide sleeve 141 are fixedly connected with the supporting springs 143, the inner wall of the diagonal bracing guide sleeve 141 is provided with a guide groove for the diagonal bracing rod 142 to move, the supporting springs 143 are fixedly connected with the inner wall of the guide groove, diagonal bracing is performed in the reinforcing seat 14 through the diagonal bracing rod 142, so that the tensile strength and rigidity of the square flange and the square pipeline are improved, and meanwhile the normal operation of the ventilating pipeline 2 is not affected.
Working principle: the main flange 111 is inserted into the reinforcing seat 14 of the auxiliary flange 112 through the reinforcing ring 13, the dovetail insert block 16 is inserted into the reinforcing seat 14 and the reinforcing ring 13, then the connecting bolts 3 sequentially penetrate through the main flange 111 and the auxiliary flange 112 to fix the two flange main bodies 11, and further the two ventilation pipes 2 fixed with the flange main bodies 11 are fixedly connected.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a connecting bending moment resistant ring flange for air pipe, includes ring flange (1) and air pipe (2), its characterized in that: the flange plate (1) is fixedly connected with two ventilating ducts (2) through connecting bolts (3), the flange plate (1) comprises a flange main body (11), reinforcing ribs (12), reinforcing rings (13) and reinforcing seats (14), the reinforcing ribs (12) are uniformly distributed on the surface of the flange main body (11), the flange main body (11) and the reinforcing ribs (12) are welded, the reinforcing rings (13) and the reinforcing seats (14) are fixedly installed on one sides of the two flange main bodies (11) respectively, the reinforcing seats (14) are connected with the reinforcing rings (13) in a nesting manner to form a dovetail groove (15), the dovetail groove (15) is connected with the dovetail insert block (16) in a nesting manner, threaded holes (161) are formed in the center of the dovetail insert block (16), the threaded holes (161) are meshed with the connecting bolts (3), the inner walls of the reinforcing seats (14) are fixedly connected with inclined strut guide sleeves (141) through bolts, and the inclined strut guide sleeves (141) are connected with the two ends of the inclined strut (142 in a nesting manner.
2. The bending moment resistant flange for air duct connection of claim 1 wherein: the two ends of the inclined support guide sleeve (141) are fixedly connected with the supporting springs (143), guide grooves for the inclined support rods (142) to move are formed in the inner walls of the inclined support guide sleeve (141), and the supporting springs (143) are fixedly connected with the inner walls of the guide grooves.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221258050U true CN221258050U (en) | 2024-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |