CN213420283U - Anti-blocking flow guide expansion joint - Google Patents
Anti-blocking flow guide expansion joint Download PDFInfo
- Publication number
- CN213420283U CN213420283U CN202022096277.2U CN202022096277U CN213420283U CN 213420283 U CN213420283 U CN 213420283U CN 202022096277 U CN202022096277 U CN 202022096277U CN 213420283 U CN213420283 U CN 213420283U
- Authority
- CN
- China
- Prior art keywords
- filter frame
- expansion joint
- pipe
- limiting
- elastic filter
- 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.)
- Expired - Fee Related
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 30
- 239000012530 fluid Substances 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a prevent blockking up water conservancy diversion expansion joint relates to expansion joint technical field. The utility model comprises a corrugated pipe and a limiting pipe which are communicated with each other, wherein an annular clamping seat is fixed on the inner wall of one end of the corrugated pipe; an elastic filter frame in a closed ring shape is matched in the limiting pipe in a sliding way, and a filter membrane is embedded in the elastic filter frame; one end of the elastic filter frame can be clamped and matched with the annular clamping seat; the other end of the elastic filter frame is provided with a limiting block and a limiting notch which can be mutually lapped; the peripheral side surface of the limiting pipe is communicated with a square pipe, and the top end of the square pipe is fixed with a seal head through two groups of bolts; the inner wall of the square tube can be in sliding fit with the peripheral side surface of the limiting block; the inner wall of the limiting pipe is fixed with a sliding sleeve, and the inner wall of the sliding sleeve is in sliding fit with the outer side face of the elastic filter frame. The utility model discloses a filter the fluid of frame to process the expansion joint with elasticity, avoid impurity in the fluid to accumulate in the ripple channel of bellows to influence the circulation of expansion joint, guarantee the function normal of expansion joint.
Description
Technical Field
The utility model belongs to the technical field of the expansion joint, especially, relate to a prevent blockking up water conservancy diversion expansion joint.
Background
Expansion joints are also conventionally called compensators, or expansion joints. It is composed of bellows, end pipe, support, flange and pipe. The expansion joint is a flexible structure provided on the vessel shell or pipe in order to compensate for additional stresses due to temperature differences and mechanical vibrations. An expansion joint refers to a flexible element that effectively functions to compensate for axial deformation. For example, the expansion joint welded on the shell of the fixed tube-plate heat exchanger has large axial flexibility and easy deformation, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell and avoiding causing strength damage, instability damage and tube pull-out damage. As an elastic compensation element capable of freely shrinking, the expansion joint has the advantages of reliable work, good performance, compact structure and the like, and is widely applied to chemical, metallurgical, nuclear and other departments.
The sealing device of the common expansion joint has the structural form that an intermittent groove in the corrugated pipe has dead zones, solid particles of conveying media are easy to gather in the dead zones, the expansion joint is easy to block, particularly when the humidity of materials is high, the blocking condition of the expansion joint is serious, the expansion joint cannot play the required function, and equipment and pipelines are damaged due to the fact that vibration or displacement is not absorbed timely. In order to solve the problems of the expansion joint in use, the expansion joint is generally inspected and loosened regularly or irregularly by adding a loosening port, a monitoring port, an inspection port and the like, so that the production cost and the labor intensity are increased. Even so, also can not thoroughly solve above problem, cause the expansion joint frequently to block up or damage, influence the stability of system, serious person influences production safety.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent blockking up water conservancy diversion expansion joint to solve the problem that above-mentioned background art provided.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to an anti-blocking flow guide expansion joint, which comprises a corrugated pipe and a limiting pipe which are mutually communicated, wherein flange plates are fixed at the relative outer ends of the corrugated pipe and the limiting pipe; an annular clamping seat is fixed on the inner wall of one end of the corrugated pipe; an elastic filter frame in a closed ring shape is matched in the limiting pipe in a sliding manner, and a filter membrane is embedded in the elastic filter frame; one end of the elastic filter frame can be clamped and matched with the annular clamping seat; the other end of the elastic filter frame is provided with a limiting block and a limiting notch which can be mutually lapped; the peripheral side surface of the limiting pipe is communicated with a square pipe, and the top end of the square pipe is fixed with an end enclosure through two groups of bolts; the inner wall of the square pipe can be in sliding fit with the peripheral side surface of the limiting block; a sliding sleeve is fixed on the inner wall of the limiting pipe, and the inner wall of the sliding sleeve is in sliding fit with the outer side face of the elastic filter frame; the elastic filter frame is plugged into the limiting pipe from the inner top of the square pipe, the limiting block is pressed downwards to enable the elastic filter frame to be in a closed annular structure, then the limiting block is pushed to drive the elastic filter frame to slide, one end of the elastic filter frame is clamped into the annular clamping seat to reinforce the position of the elastic filter frame, then the end socket at the top end of the square pipe is fixed through the bolt, the square pipe with sealing performance is ensured, and fluid is ensured not to overflow from the top of the square pipe; the expansion joint is added on a specific pipeline through flanges at two end parts of the expansion joint, and the expansion joint is used; when fluid flows through the expansion joint, the filter membrane in the elastic filter frame can intercept solids which flow through the corrugated pipe and are to be precipitated at the corrugated part in the corrugated pipe, so that the solids are prevented from being fixedly accumulated in the corrugated pipe to influence the circulation of the expansion joint, and the blockage of the expansion joint is avoided; the circulation of the expansion joint is ensured, and the normal function of the expansion joint is ensured.
Furthermore, the side surface of the elastic filter frame is provided with a V-shaped bayonet, the side surface of the annular clamping seat is fixed with an annular clamping hoop, and the annular clamping hoop is clamped and matched with the V-shaped bayonet.
Furthermore, the corrugated pipe and the limiting pipe are coaxial, and the inner diameter of the limiting pipe is equal to that of one end, provided with the annular clamping seat, of the corrugated pipe.
Furthermore, the top end face of the square pipe is embedded with an annular sealing ring, and the annular sealing ring is located on the inner side, relative to the two groups of bolts.
Furthermore, two sides of the closed annular connection part of the elastic filter frame are respectively provided with a sealing groove and a sealing strip, and one part of the sealing strip is embedded into the elastic filter frame; the cooperation of seal groove and sealing strip guarantees to be the function of annular elasticity filter frame normal, avoids solid particle to move to ripple department in the bellows from the gap.
Furthermore, a pressure plate is fixed at the bottom of the end socket, and the lower surface of the pressure plate is in sliding fit with the top end surface of the limiting block; the sealing effect of the sealing groove and the sealing strip in the elastic filter frame is ensured through compression.
Furthermore, one end part of the sliding sleeve is fixedly connected with a limiting ring through connecting blocks arranged at intervals, and the outer side surface of the limiting ring is in sliding fit with the inner side surface of the elastic filter frame; through the cooperation of spacing collar and sliding sleeve, restriction elasticity filter frame gets into the slip orbit in the spacing pipe, guarantees that elasticity filter frame forms the loop configuration.
The utility model discloses following beneficial effect has:
the utility model clamps the elastic filter frame through the annular clamping seat, limits the position of the elastic filter frame, prevents impurities from flowing into the inner corrugated groove of the corrugated pipe, and ensures the filtering performance of the elastic filter frame; when fluid flows through the expansion joint, the filter membrane in the elastic filter frame can intercept solids which flow through the corrugated pipe and are to be precipitated at the corrugated part in the corrugated pipe, so that the solids are prevented from being fixedly accumulated in the corrugated pipe to influence the circulation of the expansion joint, and the blockage of the expansion joint is avoided; the circulation of the expansion joint is ensured, and the normal function of the expansion joint is ensured.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the anti-clogging flow-guiding expansion joint of the present invention;
FIG. 2 is an axial cross-sectional view of the stopper tube of FIG. 1;
FIG. 3 is a radial cross-sectional view of the stopper tube of FIG. 1;
FIG. 4 is a partial cross-sectional view of a spacing tube;
FIG. 5 is a schematic view of an annular elastic filter frame;
fig. 6 is a schematic structural diagram of the elastic filter frame when laid flat.
In the drawings, the components represented by the respective reference numerals are listed below:
the sealing device comprises a corrugated pipe 1, a limiting pipe 2, an elastic filter frame 3, a filter membrane 4, a square pipe 5, an annular clamping seat 6, a sealing head 7, a limiting ring 8, a sliding sleeve 201, a limiting block 301, a limiting notch 302, a V-shaped bayonet 303, a sealing groove 304, a sealing strip 305, an annular sealing ring 501, an annular hoop 601 and a pressing plate 701.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, the anti-clogging flow-guiding expansion joint of the present invention comprises a corrugated pipe 1 and a limiting pipe 2 which are communicated with each other, wherein flanges are fixed at the opposite outer ends of the corrugated pipe 1 and the limiting pipe 2; an annular clamping seat 6 is fixed on the inner wall of one end of the corrugated pipe 1; an elastic filter frame 3 in a closed ring shape is matched in the limiting pipe 2 in a sliding way, and a filter membrane 4 is embedded in the elastic filter frame 3; one end of the elastic filter frame 3 can be clamped and matched with the annular clamping seat 6; the other end of the elastic filter frame 3 is provided with a limiting block 301 and a limiting notch 302 which can be mutually overlapped; the peripheral side surface of the limiting pipe 2 is communicated with a square pipe 5, and the top end of the square pipe 5 is fixed with an end enclosure 7 through two groups of bolts; the inner wall of the square tube 5 can be in sliding fit with the peripheral side surface of the limiting block 301; the inner wall of the limiting pipe 2 is fixed with a sliding sleeve 201, and the inner wall of the sliding sleeve 201 is in sliding fit with the outer side surface of the elastic filter frame 3.
The elastic filter frame 3 is plugged into the limiting pipe 2 from the inner top of the square pipe 5, the limiting block 301 is pressed downwards, the elastic filter frame 3 is in a closed annular structure, then the limiting block 301 is pushed to drive the elastic filter frame 3 to slide, one end of the elastic filter frame 3 is clamped into the annular clamping seat 6, the position of the elastic filter frame 3 is reinforced, then the end socket 7 at the top end of the square pipe 5 is fixed through the bolt, the square pipe 5 with sealing performance is ensured, and fluid is ensured not to overflow from the inner top of the square pipe 5; the expansion joint is added on a specific pipeline through flanges at two end parts of the expansion joint, and the expansion joint is used; when fluid flows through the expansion joint, the filter membrane 4 in the elastic filter frame 3 can intercept solids which flow through the corrugated pipe 1 and are about to precipitate at the corrugation position in the corrugated pipe 1, so that the fixed solids are prevented from being accumulated in the corrugation to influence the circulation of the expansion joint, and the blockage of the expansion joint is avoided; the circulation of the expansion joint is ensured, and the normal function of the expansion joint is ensured.
Wherein, the periphery of the elastic filter frame 3 is provided with a V-shaped bayonet 303, the periphery of the annular clamping seat 6 is fixed with an annular clamping hoop 601, and the annular clamping hoop 601 is clamped and matched with the V-shaped bayonet 303.
Wherein, the corrugated pipe 1 and the limiting pipe 2 have the same axial lead, and the inner diameter of the limiting pipe 2 is equal to that of the end of the corrugated pipe 1 provided with the annular clamping seat 6.
Wherein, the top end face of square pipe 5 inlays and is equipped with annular seal 501, and annular seal 501 is located the relative inboard of two sets of bolts.
Two sides of the closed annular connection part of the elastic filter frame 3 are respectively provided with a sealing groove 304 and a sealing strip 305, and a part of the sealing strip 305 is embedded in the elastic filter frame 3; the sealing groove 304 and the sealing strip 305 cooperate to ensure that the annular elastic filter frame 3 functions normally, and solid particles are prevented from moving from the gap to the inner corrugation of the corrugated pipe 1.
Wherein, the bottom of the end socket 7 is fixed with a pressure plate 701, and the lower surface of the pressure plate 701 is in sliding fit with the top end surface of the limit block 301; the sealing effect of the sealing groove 304 and the sealing strip 305 in the elastic filter frame 3 is ensured by the pressing.
Wherein, one end of the sliding sleeve 201 is fixedly connected with a limiting ring 8 through connecting blocks arranged at intervals, and the outer side surface of the limiting ring 8 is in sliding fit with the inner side surface of the elastic filter frame 3; through the cooperation of spacing collar 8 and sliding sleeve 201, restriction elasticity filter frame 3 gets into the slip orbit in spacing pipe 2, guarantees that elasticity filter frame 3 forms the loop configuration.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a prevent blockking up water conservancy diversion expansion joint, includes bellows (1) and spacing pipe (2) that communicate each other, its characterized in that:
an annular clamping seat (6) is fixed on the inner wall of one end of the corrugated pipe (1);
an elastic filter frame (3) in a closed ring shape is in sliding fit in the limiting pipe (2), and a filter membrane (4) is embedded in the elastic filter frame (3);
one end of the elastic filter frame (3) can be clamped and matched with the annular clamping seat (6); the other end of the elastic filter frame (3) is provided with a limiting block (301) and a limiting notch (302) which can be mutually overlapped;
the peripheral side surface of the limiting pipe (2) is communicated with a square pipe (5), and the top end of the square pipe (5) is fixed with an end enclosure (7) through two groups of bolts; the inner wall of the square pipe (5) can be in sliding fit with the peripheral side surface of the limiting block (301);
the inner wall of the limiting pipe (2) is fixed with a sliding sleeve (201), and the inner wall of the sliding sleeve (201) is in sliding fit with the outer side face of the elastic filter frame (3).
2. The anti-clogging flow guide expansion joint as claimed in claim 1, wherein a V-shaped bayonet (303) is opened on the peripheral side surface of the elastic filter frame (3), an annular clamp (601) is fixed on the peripheral side surface of the annular clamp seat (6), and the annular clamp (601) is in snap fit with the V-shaped bayonet (303).
3. The anti-clogging flow guide expansion joint according to claim 1, wherein the corrugated pipe (1) and the limiting pipe (2) are coaxial.
4. The anti-clogging flow guide expansion joint according to claim 1, wherein the top end face of the square pipe (5) is embedded with an annular sealing ring (501), and the annular sealing ring (501) is positioned at the opposite inner sides of the two groups of bolts.
5. The anti-clogging flow guide expansion joint according to claim 1, wherein a sealing groove (304) and a sealing strip (305) are respectively arranged on two sides of the joint of the elastic filter frame (3) in the shape of a closed ring, and a part of the sealing strip (305) is embedded in the elastic filter frame (3).
6. The anti-clogging flow guide expansion joint as claimed in claim 1, wherein a pressure plate (701) is fixed at the bottom of the end socket (7), and the lower surface of the pressure plate (701) is in sliding fit with the top end surface of the limiting block (301).
7. The anti-clogging flow guide expansion joint according to claim 1, wherein a limiting ring (8) is fixedly connected to one end of the sliding sleeve (201) through connecting blocks arranged at intervals, and the outer side surface of the limiting ring (8) is in sliding fit with the inner side surface of the elastic filter frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022096277.2U CN213420283U (en) | 2020-09-23 | 2020-09-23 | Anti-blocking flow guide expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022096277.2U CN213420283U (en) | 2020-09-23 | 2020-09-23 | Anti-blocking flow guide expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213420283U true CN213420283U (en) | 2021-06-11 |
Family
ID=76263504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022096277.2U Expired - Fee Related CN213420283U (en) | 2020-09-23 | 2020-09-23 | Anti-blocking flow guide expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213420283U (en) |
-
2020
- 2020-09-23 CN CN202022096277.2U patent/CN213420283U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105910474B (en) | More tubular sheet heat exchangers | |
| CN213420283U (en) | Anti-blocking flow guide expansion joint | |
| CN211059547U (en) | Quick coupling mechanism of pipeline based on municipal hydraulic engineering uses | |
| CN103868247B (en) | The heat collector of solar water heater | |
| CN207034485U (en) | A kind of chuck expansion joint with self-limiting mechanism | |
| CN220749333U (en) | Quick connection valve and connection structure thereof | |
| CN208295379U (en) | A kind of anti-acid corrugated expansion joint | |
| CN214286883U (en) | Filtering sealing element | |
| CN207112217U (en) | A kind of straight pipeline self-tightening sealing formula blocking clamper | |
| CN220727413U (en) | Quick connecting elbow and connecting structure thereof | |
| CN215596702U (en) | Expansion joint assembly and engine with same | |
| CN221762906U (en) | Flange with good sealing performance | |
| CN221348349U (en) | Connecting elbow ware convenient to quick assembly disassembly | |
| CN216618930U (en) | Quick-connection flange for single crystal furnace | |
| CN220647119U (en) | Flange structure convenient to dismantle | |
| CN219692566U (en) | Pipeline connection structure | |
| CN215721609U (en) | Expansion joint leak protection water installation | |
| CN221839101U (en) | Radial sealing structure for extending rubber lining cylinder connecting pipe | |
| CN212548619U (en) | Oil slurry filter element threaded pipe head | |
| CN220749344U (en) | Wall pipeline waterproof structure | |
| CN221880623U (en) | Pressure-bearing telescopic compensator for building pipeline system | |
| CN216952121U (en) | Energy utilization waste heat connecting pipe | |
| CN213954609U (en) | Double-sealing connection structure for pipeline | |
| CN220453003U (en) | Multistage coupling mechanism of hydraulic engineering pipeline | |
| CN214197698U (en) | Clamp type metal hose corrugated pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |