CN220727413U - Quick connecting elbow and connecting structure thereof - Google Patents
Quick connecting elbow and connecting structure thereof Download PDFInfo
- Publication number
- CN220727413U CN220727413U CN202322528295.7U CN202322528295U CN220727413U CN 220727413 U CN220727413 U CN 220727413U CN 202322528295 U CN202322528295 U CN 202322528295U CN 220727413 U CN220727413 U CN 220727413U
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- pipe
- elbow
- clamp
- protrusion
- face
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- 238000005452 bending Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 49
- 238000003466 welding Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a quick connecting elbow and a connecting structure thereof, which comprises an elbow main body in an arc bending state, wherein connecting pipes are arranged at two ends of the elbow main body, and are straight pipes and are integrated with the elbow main body; the circumference of the outer end of the connecting pipe is provided with a first connecting clamp protrusion protruding out of the outer wall of the connecting pipe for being matched with a limiting groove of the pipe clamp, and one side of the first connecting clamp protrusion, which is away from the outer end face of the connecting pipe, is a first conical surface which gradually inclines towards the outer end face of the connecting pipe along the direction away from the center of the first conical surface; this application is protruding through setting up first connection card at the outer end of connecting pipe, and during the connection, the outer end of two connecting pipes respectively with the same protruding pipe cooperation of connection card, the two periphery is connected through dismantling the pipe strap, connect convenient simply to all set up the straight tube connecting pipe through the both ends at the elbow main part and be used for connecting, make hookup location keep away from the department of bending, reduce the fluid impact force of hookup location department.
Description
Technical Field
The utility model relates to the technical field of elbow pipe fittings, in particular to a quick connection elbow and a connection structure thereof.
Background
In pipe laying, elbow pipe elements are often required to change the direction of laying the pipeline due to pipeline design or construction requirements.
When the existing elbow is connected with a pipe, welding, threaded connection or flange connection are usually adopted; the welding is suitable for pipelines with larger diameters, the joints are welded, and the later maintenance is inconvenient; the threaded connection is suitable for pipelines with smaller diameters, the two pipelines are connected and fixed through internal and external threads matched with each other, the pipelines are sealed by the threads of the connecting ports under pressure, and the pressure bearing capacity is limited; the flange connection needs to be connected with the flange plates on the two connecting pipes, the connection mode is complex, the requirements on the flatness and the combination degree of the flange surfaces are high, and otherwise, leakage is easy to occur.
Disclosure of Invention
In view of the drawbacks of the prior art, it is an object of the present utility model to provide a quick connect elbow capable of quick connection with a pipe.
Further, the application also provides a connection structure of the quick connection elbow.
The technical scheme adopted by the utility model is as follows:
the quick connecting elbow comprises an elbow main body in an arc bending state, connecting pipes are arranged at two ends of the elbow main body, and the connecting pipes are straight pipes and are of an integral structure with the elbow main body; the circumference of the outer end of the connecting pipe is provided with first connecting clamp protrusions protruding out of the outer wall of the connecting pipe to be matched with the limiting grooves of the pipe clamp, and one side, away from the outer end face of the connecting pipe, of the first connecting clamp protrusions is a first conical surface which gradually inclines towards the direction of the outer end face of the connecting pipe along the direction away from the center of the first conical surface.
Further, the angle of the elbow body is 90 °.
Further, the angle of the elbow body is 45 degrees.
Further, the first connecting clip protrusion is formed by extending the outer end of the pipe section toward the outer diameter direction thereof.
Further, the device further comprises a first connecting joint, the first connecting clamp is arranged at one end of the first connecting joint in a protruding mode, and the other end of the first connecting joint is fixed at the outer ends of the two connecting pipes in a welding mode.
Further, a concave surface which is concave inwards and is used for installing the sealing ring is arranged along the circumferential direction of the end face of the first connecting clamp.
Further, an O-shaped groove which is inwards recessed and used for installing an O-shaped sealing ring is formed along the circumferential direction of the end face of the first connecting clamp.
Further, the application also provides a connecting structure for quickly connecting the elbow, which comprises the elbow, a pipe, a sealing ring and a pipe clamp, wherein the elbow adopts the elbow; a second connecting clamp protrusion protruding out of the outer wall of the pipe and matched with the limiting groove of the pipe clamp is arranged along the circumferential direction of one end of the pipe, and one side of the second connecting clamp protrusion, which is away from the end face of the corresponding end of the pipe, is a second conical surface which gradually inclines towards the end face along the direction away from the center of the second conical surface; a limiting groove is formed along the inner circumference of the pipe clamp, two side walls of the limiting groove are respectively a third conical surface matched with the first conical surface and the second conical surface, the pipe clamp is detachably sleeved outside the connecting pipe and the pipe, and the first connecting clamp bulge and the second connecting clamp bulge are both limited in the limiting groove; the sealing ring is connected between the end faces of the first connecting clamp protrusion and the second connecting clamp protrusion in a sealing mode.
Further, the end face of the first connecting clamp or the end face of the second connecting clamp is provided with a concave face, the end face of the second connecting clamp or the end face of the first connecting clamp is a smooth face, the section of the sealing ring is C-shaped, the sealing ring is arranged on the concave face of the first connecting clamp or the concave face of the second connecting clamp, one side of the sealing ring is in sealing connection with the concave face, and the other side of the sealing ring is in sealing connection with the smooth face.
Further, the end face of the first connecting card bulge or the second connecting card bulge is provided with an O-shaped groove, the end face of the second connecting card bulge or the first connecting card bulge is a smooth surface, the sealing ring is an O-shaped ring, and the O-shaped ring is arranged in the O-shaped groove of the first connecting card bulge or the second connecting card bulge and is in sealing connection with the smooth surface of the second connecting card bulge or the first connecting card bulge at the outer side.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a quick-connect elbow according to embodiment 1 of the present application;
fig. 2 is a schematic structural view of another quick-connect elbow according to embodiment 1 of the present application;
fig. 3 is a schematic structural view of another quick-connect elbow according to embodiment 1 of the present application;
FIG. 4 is a side view of a quick connect elbow provided in example 1 of the present application;
fig. 5 is a schematic diagram of a connection structure of the quick connection elbow according to embodiment 2 of the present application;
FIG. 6 is an enlarged view of a portion of FIG. 5;
fig. 7 is a side view of a connection structure of a quick connect elbow according to embodiment 2 of the present application.
The elbow comprises an elbow main body 11, a connecting pipe 12, a first connecting clamp protrusion 2, a first conical surface 21, a concave surface 22, an O-shaped groove 23, a pipe 3, a second connecting clamp protrusion 31, a pipe clamp 4, a sealing ring 5 and a bolt 6.
Detailed Description
Here, it is to be noted that the functions, methods, and the like related to the present utility model are merely conventional adaptive applications of the prior art. The present utility model is therefore an improvement over the prior art in that the connection between hardware is essentially not a function, method itself, i.e. the present utility model, although it relates to a point of function, method, does not involve the improvement proposed for the function, method itself. The description of the function and the method of the utility model is for better explaining the utility model so as to better understand the utility model.
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
Example 1
Referring to fig. 1 to 4, the present embodiment provides a quick connection elbow, including an elbow body 11 in an arc bending state, two ends of the elbow body 11 are provided with connection pipes 12, and the connection pipes 12 are straight pipes and are integrated with the elbow body 11; the first connecting clamp protrusions 2 protruding from the outer wall of the connecting pipe 12 to be matched with the limiting grooves of the pipe clamp 4 are arranged along the circumferential direction of the outer end of the connecting pipe 12, and one side of the first connecting clamp protrusions 2 away from the outer end face of the connecting pipe 12 is a first conical surface 21 gradually inclining towards the outer end face direction of the connecting pipe 12 along the direction away from the center of the first conical surface.
According to the connecting pipe, the first connecting clamp bulge 2 is arranged at the outer ends of the connecting pipes 12, when the connecting pipes are connected, the outer ends of the two connecting pipes 12 are respectively matched with the pipe 3 which is also provided with the connecting clamp bulge, the peripheries of the two connecting pipes are connected through the detachable pipe clamp 4, the connecting is convenient and simple, and the straight pipe connecting pipes 12 are arranged at the two ends of the elbow main body 11 and are used for connection, so that the connecting position is far away from the bending position, and the fluid impact force at the connecting position is reduced; through setting one side that the protruding 2 of first connector card deviates from the outer terminal surface of connecting pipe 12 to the conical surface, correspond, can set up same conical surface on the connector card of pipe 3 protruding, when pipe strap 4 connects at connecting pipe 12 and pipe 3 periphery, two connector cards protruding are located the spacing inslot of pipe strap 4 respectively to at the in-process of tightening up pipe strap 4, the spacing inslot wall extrudees the conical surface that two corresponding connector cards are protruding, makes the connection of connecting pipe 12 and pipe 3 inseparabler, and improves sealing effect of sealing washer 5 between connecting pipe 12 and the pipe 3.
The elbow body 11 may be an elbow with an angle of 90 ° or an elbow with an angle of 45 °.
The connection pipe 12 may be a straight pipe extending outward from both ends of the elbow body 11, and is integrally formed with the elbow body 11.
The first connecting clamping protrusion 2 and the connecting pipe 12 can be in an integral structure or a split structure.
In one embodiment, the first connecting latch 2 and the connecting pipe 12 are integrally formed, and the first connecting latch 2 is formed by extending the outer end of the connecting pipe 12 toward the outer diameter direction thereof.
In another embodiment, the connecting device further comprises a first connecting joint, the first connecting clamping protrusion 2 and the connecting pipe 12 are in a split structure, the first connecting clamping protrusion 2 is arranged on the outer wall of one end of the first connecting joint, and the other end of the first connecting joint is fixed at the outer end of the connecting pipe 12 in a welding mode.
The end surface of the first connecting card protrusion 2 may be a smooth surface, or a concave surface 22 or a groove may be provided on the end surface of the first connecting card protrusion 2.
In one embodiment, a concave surface 22 is provided along the circumferential direction of the outer end surface of the first connecting clamping protrusion 2, and is used for installing the sealing ring 5, the sealing ring 5 can be installed in the concave surface 22, and the outer side wall of the concave surface 22 gradually inclines from the inner end direction to the outer end direction towards the center direction of the cross section, so that the concave surface 22 is in a structure with a large inner side and a small outer side, and the sealing ring 5 can be better fixed in the concave surface 22.
In another embodiment, an O-shaped groove 23 which is recessed inwards for mounting the O-shaped sealing ring 5 is arranged along the circumferential direction of the outer end surface of the first connecting clamping protrusion 2; an O-ring seal 5 may be mounted in the O-groove 23.
Example 2
Referring to fig. 5, 6 and 7, the present embodiment provides a connection structure of a quick connection elbow, including an elbow, a pipe 3, a sealing ring 5, and a pipe clamp 4, where the elbow is the elbow of embodiment 1; a second connecting clamp protrusion 31 protruding out of the outer wall of the pipe 3 and used for being matched with the limiting groove of the pipe clamp 4 is arranged along the circumferential direction of one end of the pipe 3, and one side of the second connecting clamp protrusion 31 away from the corresponding end face of the pipe 3 is a second conical surface which gradually inclines towards the end face direction along the direction away from the center of the second conical surface; a limiting groove is formed along the circumferential direction of the inner side of the pipe clamp 4, two side walls of the limiting groove are respectively a third conical surface matched with the first conical surface 21 and the second conical surface, the pipe clamp 4 is detachably sleeved outside the connecting pipe 12 and the pipe 3, and the first connecting clamp bulge 2 and the second connecting clamp bulge 31 are limited in the limiting groove; the sealing ring 5 is connected between the end surfaces of the first connecting clamp protrusion 2 and the second connecting clamp protrusion 31 in a sealing way.
During connection, the sealing ring 5 is arranged between the end faces of the first connecting clamp bulge 2 and the second connecting clamp bulge 31, the pipe clamp 4 is sleeved outside the connecting pipe 12 and the pipe 3, the first connecting clamp bulge 2 and the second connecting clamp bulge 31 are respectively corresponding to the limiting grooves, the pipe clamp 4 is gradually tightened, the pipe clamp 4 is completely connected outside the connecting pipe 12 and the pipe 3, and the connection between the connecting pipe 12 and the pipe 3 of the elbow is completed.
By adopting the structure, the connecting pipe 12 of the elbow and the connecting end of the pipe 3 are provided with the connecting clamp protrusions, one side of each connecting clamp protrusion is a conical surface, two side walls of the limiting groove of the pipe clamp 4 are corresponding conical surfaces, the two side walls of the limiting groove gradually extrude the two connecting clamp protrusions in the process of tightening the pipe clamp 4, so that the connecting pipe 12 and the pipe 3 move in the direction close to each other, the sealing ring 5 is tightly extruded between the two end surfaces, the bonding degree of the sealing ring 5 and the two end surfaces is improved, and the sealing effect is improved.
The cross section of the sealing ring 5 can be C-shaped or O-shaped.
In one embodiment, the cross section of the sealing ring 5 is C-shaped, the end face of the first connecting clamp protrusion 2 is a concave face 22, and the end face of the second connecting clamp protrusion 31 is a smooth face; or the end face of the first connecting clamp convex 2 is a smooth face, and the end face of the second connecting clamp convex 31 is a concave face 22; the sealing ring 5 is installed in the concave surface 22 of the first connecting clamp convex 2 or the second connecting clamp convex 31, one side of the sealing ring is in sealing connection with the concave surface 22, and the other side of the sealing ring is in sealing connection with the light surface.
In another embodiment, the sealing ring 5 is an O-ring 5, the end face of the first connecting card protrusion 2 or the second connecting card protrusion 31 is provided with an O-groove 23, the end face of the second connecting card protrusion 31 or the first connecting card protrusion 2 is a smooth surface, the sealing ring 5 is an O-ring, and the O-ring is installed in the O-groove 23 of the first connecting card protrusion 2 or the second connecting card protrusion 31, and the outer side of the O-ring is in sealing connection with the smooth surface of the second connecting card protrusion 31 or the first connecting card protrusion 2.
The pipe clamp 4 comprises a first clamping ring and a second clamping ring, the first clamping ring and the second clamping ring are C-shaped, the structures of the first clamping ring and the second clamping ring can be identical or different, and the first clamping ring and the second clamping ring are connected to form the annular pipe clamp 4.
In one embodiment, the first snap ring and the second snap ring have the same structure, and connecting parts are arranged at two ends of the first snap ring and the second snap ring, corresponding connecting holes are formed in the connecting parts, and the first snap ring and the second snap ring are connected through bolts 6 penetrating through the connecting holes at two ends of the first snap ring and the second snap ring.
In another embodiment, the structures of the first snap ring and the second snap ring are slightly different, one ends of the first snap ring and the second snap ring are hinged, the other ends of the first snap ring and the second snap ring are respectively provided with a connecting part, corresponding connecting holes are formed in the connecting parts, and the other ends of the first snap ring and the second snap ring are connected through bolts 6 penetrating through the connecting holes.
In the present application, unless explicitly specified and limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be an electrical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description of the present specification, a description of the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, system, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, systems, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (10)
1. The quick connecting elbow comprises an elbow main body in an arc bending state, and is characterized in that connecting pipes are arranged at two ends of the elbow main body, are straight pipes and are of an integral structure with the elbow main body; the circumference of the outer end of the connecting pipe is provided with first connecting clamp protrusions protruding out of the outer wall of the connecting pipe to be matched with the limiting grooves of the pipe clamp, and one side, away from the outer end face of the connecting pipe, of the first connecting clamp protrusions is a first conical surface which gradually inclines towards the direction of the outer end face of the connecting pipe along the direction away from the center of the first conical surface.
2. The quick connect elbow according to claim 1, wherein the angle of the elbow body is 90 °.
3. The quick connect elbow according to claim 1, wherein the angle of the elbow body is 45 °.
4. The quick connect elbow according to claim 1, wherein said first connector tab is formed by an outer end of said connector tube extending in a direction of an outer diameter thereof.
5. The quick connect elbow according to claim 1, further comprising a first connector, wherein the first connector clip is disposed at one end of the first connector, and the other end of the first connector is fixed to the outer ends of the two connectors by welding.
6. The quick connect elbow according to claim 1, wherein a concave surface is provided circumferentially along the end face of the first connector tab for receiving a sealing ring.
7. The quick connect elbow of claim 1, wherein an O-ring groove is provided circumferentially along the end face of the first connector tab that is recessed inwardly for mounting an O-ring.
8. The connecting structure of the quick connecting elbow comprises an elbow, a pipe and a sealing ring, and is characterized by further comprising a pipe clamp, wherein the elbow adopts the elbow according to any one of claims 1-7; a second connecting clamp protrusion protruding out of the outer wall of the pipe and matched with the limiting groove of the pipe clamp is arranged along the circumferential direction of one end of the pipe, and one side of the second connecting clamp protrusion, which is away from the end face of the corresponding end of the pipe, is a second conical surface which gradually inclines towards the end face along the direction away from the center of the second conical surface; a limiting groove is formed along the inner circumference of the pipe clamp, two side walls of the limiting groove are respectively a third conical surface matched with the first conical surface and the second conical surface, the pipe clamp is detachably sleeved outside the connecting pipe and the pipe, and the first connecting clamp bulge and the second connecting clamp bulge are both limited in the limiting groove; the sealing ring is connected between the end faces of the first connecting clamp protrusion and the second connecting clamp protrusion in a sealing mode.
9. The connecting structure of the quick connecting elbow according to claim 8, wherein a concave surface is arranged on an end surface of the first connecting clamp protrusion or the second connecting clamp protrusion, the end surface of the second connecting clamp protrusion or the first connecting clamp protrusion is a smooth surface, the cross section of the sealing ring is C-shaped, the sealing ring is arranged on the concave surface of the first connecting clamp protrusion or the second connecting clamp protrusion, one side of the sealing ring is in sealing connection with the concave surface, and the other side of the sealing ring is in sealing connection with the smooth surface.
10. The connection structure of the quick connect elbow according to claim 8, wherein the end face of the first connection card protrusion or the second connection card protrusion is provided with an O-shaped groove, the end face of the second connection card protrusion or the first connection card protrusion is a smooth surface, the sealing ring is an O-shaped ring, and the O-shaped ring is installed in the O-shaped groove of the first connection card protrusion or the second connection card protrusion, and the outer side of the O-shaped ring is in sealing connection with the smooth surface of the second connection card protrusion or the first connection card protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322528295.7U CN220727413U (en) | 2023-09-15 | 2023-09-15 | Quick connecting elbow and connecting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322528295.7U CN220727413U (en) | 2023-09-15 | 2023-09-15 | Quick connecting elbow and connecting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220727413U true CN220727413U (en) | 2024-04-05 |
Family
ID=90500179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322528295.7U Active CN220727413U (en) | 2023-09-15 | 2023-09-15 | Quick connecting elbow and connecting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220727413U (en) |
-
2023
- 2023-09-15 CN CN202322528295.7U patent/CN220727413U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |