CN217815651U - Expansion joint without tool - Google Patents
Expansion joint without tool Download PDFInfo
- Publication number
- CN217815651U CN217815651U CN202222068677.1U CN202222068677U CN217815651U CN 217815651 U CN217815651 U CN 217815651U CN 202222068677 U CN202222068677 U CN 202222068677U CN 217815651 U CN217815651 U CN 217815651U
- Authority
- CN
- China
- Prior art keywords
- sealing
- expansion joint
- rubber
- rubber bag
- tool
- 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
Images
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model discloses an expansion joint without tools, which relates to the field of pipeline expansion joints, and provides a scheme aiming at the problem of complex installation, debugging and operation of the existing expansion joint, wherein the scheme comprises a rubber bag for buffering pipeline impact, a flange plate for connecting the rubber bag with a pipeline, and a movable sealing mechanism for sealing the rubber bag, wherein the movable sealing mechanism, the flange plate and the rubber bag are connected in a sealing way to maintain the vacuumizing contraction state of the rubber bag; the movable sealing mechanism comprises a movable sealing rubber sheet and a grid plate, a brace is arranged on one side of the movable sealing rubber sheet, flanges are sleeved at two ends of the rubber bag in a sealing mode, annular grooves are formed in the flanges, and the movable sealing rubber sheet is sleeved in the annular grooves in a sealing mode. The utility model discloses novel structure, the device is effectual has solved current expansion joint installation and debugging complex operation's problem.
Description
Technical Field
The utility model relates to a pipeline expansion joint field especially relates to an instrument-free expansion joint.
Background
The expansion joint is a pipeline with a flexible structure, and mainly comprises a flexible short pipe and flange plates at two ends of the short pipe, wherein the flexible short pipe is usually made of a stainless steel corrugated pipe or a rubber bag, and when the pipeline is extruded, stretched or strongly vibrated, the flexible structure of the expansion joint can effectively play a role in buffering, so that the pipeline is protected from being damaged;
although there is the difference between the expansion joint that has now on the market, but mounting structure is all the same, wherein showing the characteristics and being the annular array at expansion joint a week and distributing multiunit lead screw, and be connected the ring flange at lead screw and expansion joint both ends with the nut, this is for through rotating the nut along the lead screw and playing the purpose of compression expansion joint, so that install expansion joint in the pipeline, need to restore the normal position with the nut after the installation and avoid influencing the energy-absorbing effect of expansion joint, consequently installation expansion joint need use the spanner to adjust tens or even tens of nuts, still need keep the nut position balance on each lead screw can not the gap too big, make the installation dismantle very loaded down with trivial details, consequently in order to solve above-mentioned problem, we have proposed a tool-free expansion joint.
SUMMERY OF THE UTILITY MODEL
The utility model provides an expansion joint of instrument of exempting from has solved current expansion joint installation and debugging complex operation's problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a tool-free expansion joint comprises a rubber bag for buffering pipeline impact, a flange plate for connecting the rubber bag with a pipeline, and a movable sealing mechanism for sealing the rubber bag, wherein the movable sealing mechanism, the flange plate and the rubber bag are connected in a sealing manner to maintain the vacuumizing contraction state of the rubber bag;
can move sealing mechanism including moving sealed film and grid plate, just one side that can move sealed film is provided with the brace, the ring flange has all been sealed to have cup jointed in the both ends of rubber bag, just the ring channel has been seted up in the ring flange, can move sealed film and seal and cup joint in the ring channel, first screw hole has been seted up on the top of ring flange, first screw hole threaded connection has the sealing plug, just the end and the sealing plug of brace are connected.
Preferably, the inner wall of the sleeve joint of the flange plate and the rubber bag is provided with a plurality of groups of sealing grooves, and the outer walls of the two ends of the rubber bag are provided with convex lines corresponding to the sealing grooves in a matching manner.
Preferably, the outer wall of the flange plate is located at the position of the groove of the first threaded hole and is provided with an annular shallow groove, the top end of the sealing plug is provided with an annular edge strip which is sleeved with the annular shallow groove, and the top end of the sealing plug is provided with an L-shaped handle.
Preferably, the grid plate is positioned between the rubber bag and the movable sealing rubber sheet, and the flange plate, the rubber bag, the grid plate and the movable sealing rubber sheet are tightly attached.
Preferably, the removable sealing film is a single-sided adhesive.
Preferably, the outer diameter of the mesh plate is the same as the outer diameter of both ends of the rubber bladder.
Preferably, the rubber bag is arranged in a diameter-variable mode, and the diameter of the middle of the rubber bag is larger than the diameters of the two ends of the rubber bag.
Preferably, the rubber bag is made of a nitrile rubber pressure-resistant material.
Preferably, chamfers are arranged at two ends, close to each other, of the two groups of flange plates.
Preferably, two ends of the two groups of flange plates, which are far away from each other, are provided with second threaded holes, and the second threaded holes are distributed in an annular array relative to the flange plates.
The utility model has the advantages that:
this expansion joint need adjust the loaded down with trivial details operation of a large amount of screw-nut with adaptation mouth of pipe interval when having saved traditional expansion joint installation, this expansion joint has just preset the compression volume when dispatching from the factory, under the effect of the sealing action and the atmospheric pressure of removable sealing film, make the unable resilience expansion of rubber bag, thereby keep this shrink state easy to assemble, after fixed one end, use the handle in area to pull down the sealing plug and pull out removable sealing film, can destroy the leakproofness and expand this expansion joint and make the other end and pipeline butt joint, the simple operation.
In conclusion, the device effectively solves the problem that the existing expansion joint is complex to install, debug and operate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a structural sectional view of the present invention.
Fig. 3 is a structural exploded view of the present invention.
Fig. 4 is an enlarged view of a structure in fig. 2 according to the present invention.
Reference numbers in the figures: 1. a rubber bladder; 101. a relief pattern; 2. a flange plate; 201. a sealing groove; 202. an annular groove; 203. a first threaded hole; 204. a sealing plug; 205. a second threaded hole; 3. a movable sealing mechanism; 301. a removable sealing film; 302. bracing; 303. and (4) a grid plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
Referring to fig. 1-4, a tool-free expansion joint comprises a rubber bag 1 for buffering pipeline impact, a flange 2 for connecting the rubber bag 1 with a pipeline, and a movable sealing mechanism 3 for sealing the rubber bag 1, wherein the movable sealing mechanism 3, the flange 2 and the rubber bag 1 are in sealing connection to maintain a vacuumizing contraction state of the rubber bag 1; can move sealing mechanism 3 including can moving sealing film 301 and net board 303, and can move one side of sealing film 301 and be provided with brace 302, the equal sealed ring flange 2 that has cup jointed in both ends of rubber bag 1, and seted up ring channel 202 in the ring flange 2, can move sealing film 301 and seal and cup joint in ring channel 202, first screw hole 203 has been seted up on the top of ring flange 2, first screw hole 203 threaded connection has sealing plug 204, and the end and the sealing plug 204 of brace 302 are connected.
The ring flange 2 cup joints a department inner wall with rubber bag 1 and has seted up multiunit seal groove 201, and the outer wall of 1 both ends of rubber bag corresponds seal groove 201 department and matches and be provided with burr 101, can move sealing rubber piece 301 and be the single face glue, and the external diameter of grid plate 303 is the same with the external diameter at 1 both ends of rubber bag, and rubber bag 1 is the reducing setting, and the middle part diameter of rubber bag 1 is greater than its both ends diameter, and rubber bag 1 is nitrile butadiene rubber pressure resistant material and makes.
Ring shallow slot has been seted up in first screw hole 203 notch department to the outer wall of ring flange 2, and the top of sealing plug 204 sets up the annular strake and cup joints with the annular shallow slot, the top of sealing plug 204 is provided with L type handle, grid plate 303 is located rubber bag 1 and can moves between the sealing rubber piece 301, and ring flange 2, rubber bag 1, grid plate 303 and can move and closely laminate between the sealing rubber piece 301, the both ends that two sets of ring flange 2 are close to each other all are provided with the chamfer, the both ends that two sets of ring flange 2 kept away from each other all are provided with second screw hole 205, and second screw hole 205 is annular array distribution about ring flange 2.
The utility model discloses a theory of operation:
it should be noted that the tool-free expansion joint means that the length of the expansion joint is not required to be compressed and adjusted by a tool to adapt to the distance between the pipeline openings, the compression amount is preset when the expansion joint leaves a factory, and the expansion joint can be unfolded to a normal size by using a self-contained handle to remove a sealing plug 204 to break the sealing property when the expansion joint is used;
during production, two groups of flange plates 2 need to be extruded towards the middle by using a tool, so that the rubber bag 1 contracts for a certain distance, the state is kept, the rubber surface of the movable sealing rubber sheet 301 is attached to one side, close to the rubber bag 1, of the annular groove 202 in the flange plate 2, the sealing plug 204 is ensured to be tightly screwed and sealed with the first threaded hole 203, the extrusion on the flange plate 2 is loosened, the rubber bag 1 cannot rebound and expand under the sealing action of the movable sealing rubber sheet 301 and the action of atmospheric pressure, and the contracted state is kept, wherein the grid plate 303 is used for supporting the movable sealing rubber sheet 301, and the movable sealing rubber sheet 301 is prevented from being pressed into the rubber bag 1 by the atmospheric pressure;
when the device is used, the flange plate 2 at one end of the device is connected with a pipeline port through the second threaded hole 205, then the flange plate 2 at the other end of the device is aligned with the pipeline port, the sealing plug 204 is detached by rotating the handle at the top end of the sealing plug 204, the sealing plug 204 is pulled outwards, the pull strip 302 is driven to open one side of the movable sealing rubber sheet 301, so that outside air enters the rubber bag 1, the rubber bag 1 is bounced to recover (or recover to be close to) the original length, the other end of the rubber bag is close to or in contact with the pipeline port and connected with the pipeline port, the movable sealing rubber sheet 301 is pulled out from the first threaded hole 203, the pull strip 302 and the sealing plug 204 are torn off from the root, and then the sealing plug 204 is installed back on the flange plate 2;
in conclusion, the device solves the problem that the operation is complex due to the fact that a large number of lead screw nuts need to be adjusted to adapt to the distance between the pipe orifices when the traditional expansion joint is installed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. A tool-free expansion joint comprises a rubber bag (1) for buffering pipeline impact and a flange (2) for connecting the rubber bag (1) with a pipeline, and is characterized by further comprising a movable sealing mechanism (3) for sealing the rubber bag (1), wherein the movable sealing mechanism (3), the flange (2) and the rubber bag (1) are connected in a sealing manner to maintain the vacuumizing contraction state of the rubber bag (1);
can move sealing mechanism (3) including can moving sealing film (301) and grid plate (303), just one side that can move sealing film (301) is provided with brace (302), the both ends of rubber bag (1) are all sealed cup jointed ring flange (2), just ring channel (202) have been seted up in ring flange (2), can move sealing film (301) seal cover and connect in ring channel (202), first screw hole (203) have been seted up on the top of ring flange (2), first screw hole (203) threaded connection has sealing plug (204), just the end and the sealing plug (204) of brace (302) are connected.
2. The tool-free expansion joint as claimed in claim 1, wherein a plurality of groups of sealing grooves (201) are formed in the inner wall of the sleeved part of the flange (2) and the rubber bag (1), and the outer walls of the two ends of the rubber bag (1) are provided with convex patterns (101) in a matching manner corresponding to the sealing grooves (201).
3. A tool-free expansion joint as claimed in claim 1, wherein the outer wall of the flange (2) is provided with an annular shallow groove at the notch of the first threaded hole (203), the top end of the sealing plug (204) is provided with an annular edge strip which is sleeved with the annular shallow groove, and the top end of the sealing plug (204) is provided with an L-shaped handle.
4. A tool-less expansion joint according to claim 1, wherein the mesh plate (303) is located between the rubber bladder (1) and the removable sealing rubber sheet (301), and the flange (2), the rubber bladder (1), the mesh plate (303) and the removable sealing rubber sheet (301) are tightly fitted.
5. A tool-less expansion joint according to claim 4, wherein the removable sealing film (301) is a single-sided adhesive.
6. A tool-less expansion joint according to claim 4, wherein the outer diameter of the mesh plate (303) is the same as the outer diameter of the two ends of the rubber bladder (1).
7. A tool-less expansion joint according to claim 1, wherein the rubber bladder (1) is of variable diameter configuration, and the diameter of the middle portion of the rubber bladder (1) is greater than the diameter of the two ends thereof.
8. A tool-less expansion joint according to claim 7, wherein the rubber bladder (1) is made of nitrile rubber pressure resistant material.
9. A tool-less expansion joint according to claim 1, characterized in that the two sets of flanges (2) are chamfered at their ends adjacent to each other.
10. A tool-less expansion joint according to claim 9, wherein two sets of flanges (2) are provided with second threaded holes (205) at their ends remote from each other, and wherein the second threaded holes (205) are distributed in an annular array with respect to the flanges (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222068677.1U CN217815651U (en) | 2022-08-08 | 2022-08-08 | Expansion joint without tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222068677.1U CN217815651U (en) | 2022-08-08 | 2022-08-08 | Expansion joint without tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217815651U true CN217815651U (en) | 2022-11-15 |
Family
ID=83972678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222068677.1U Active CN217815651U (en) | 2022-08-08 | 2022-08-08 | Expansion joint without tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217815651U (en) |
-
2022
- 2022-08-08 CN CN202222068677.1U patent/CN217815651U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203743715U (en) | Blockage and pressure testing device of plastic water feeding pipeline | |
| CN217815651U (en) | Expansion joint without tool | |
| CN209369048U (en) | A kind of connector structure of connected buildings | |
| CN204528521U (en) | A kind of deflector chute choke dust-break curtain | |
| CN103758848A (en) | Sucker and sucking method thereof | |
| CN210661764U (en) | Connecting device for pipeline | |
| CN202717422U (en) | Pneumatic tension structure of paper transmission roller of furniture plate surface sticker | |
| CN111395536A (en) | Assembly type building truss structure | |
| CN206723655U (en) | A kind of breathing pipeline quick change attachment structure | |
| CN213628305U (en) | Stainless steel tube U-shaped hoop for power communication | |
| CN213576197U (en) | Pipe end sealing structure | |
| CN211661018U (en) | Pneumatic sand pounding device | |
| CN210987390U (en) | Afforestation nursery stock is prevent wind and is used strutting arrangement | |
| CN111503421A (en) | Waterway pipeline in building body | |
| CN219424721U (en) | Modularized spliced dust fall spray pipe | |
| CN214715030U (en) | High efficiency filter that filter effect is good | |
| CN218564681U (en) | Mechanism for quickly connecting flexible air pipe with fan equipment | |
| CN216218713U (en) | Negative pressure cavity sealing ring of air suction seed sowing device | |
| CN213929743U (en) | Special antidetonation support of fire pipeline with adjustable | |
| CN220452991U (en) | Airtight assembly | |
| CN217570011U (en) | Self-made pipe cleaner | |
| CN218032081U (en) | Municipal administration water supply line plugging device | |
| CN210279111U (en) | Vacuum buffer tank capable of preventing hose from being blocked | |
| CN218208398U (en) | Cut-off equipment is used in pipeline maintenance | |
| CN216552917U (en) | Beautiful seam agent rubber tube of convenient clearance gap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |