CN210716464U

CN210716464U - Connection structure

Info

Publication number: CN210716464U
Application number: CN201921286746.8U
Authority: CN
Inventors: 岳光辉; 刘春洋; 李懋; 陈拥军
Original assignee: Shenzhen Jialida Energy Saving Technology Co ltd
Current assignee: Shenzhen Jialida Energy Saving Technology Co ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-06-09
Anticipated expiration: 2029-08-08

Abstract

The utility model is suitable for the technical field of pipeline connection, and provides a connecting structure, which comprises two flanges, wherein each flange comprises a hollow pipe and a disc sleeved and fixed on the hollow pipe; the clamping device further comprises a fastener, the fastener comprises two half hoops which are oppositely arranged, grooves are formed in each half hoop, and the two discs can respectively extend into each groove. One end of each of the two half hoops is hinged, a clamping hook is arranged on one of the half hoops, and a lock catch is rotatably arranged on the other half hoop. When the lock catch is locked with the clamp hook, the two semi-hoops can clamp the two discs while locking, so that the two flanges are effectively connected; after the lock catch and the clamping hook are unlocked, the fastener can be taken down, so that the two flanges can be conveniently separated. Therefore, when the pipeline is connected, the pipeline sleeve can be arranged on the hollow pipe, the flange can be quickly connected through the fastening piece, complex operation of bolt connection is replaced, connection efficiency of the pipeline is improved, operation space is small, and the pipeline is convenient and quick to disassemble and assemble.

Description

Connection structure

Technical Field

The utility model belongs to the technical field of the pipe connection, more specifically say, relate to a connection structure.

Background

The flange is composed of a hollow pipe and a disc sleeved and fixed on the hollow pipe, and is used as a connecting piece for connecting pipelines, so that the flange is favored by people.

When the pipelines are connected, the through holes on the disks of the two flanges are aligned and then locked and fixed through bolts. However, this operation has the following disadvantages: 1. the bolt locking needs a professional tool and a large operation space, the bolt cannot be correctly locked sometimes, the bolt locking needs to be repeated for many times, the operation is time-consuming and labor-consuming, the connection effect is poor, and the efficiency is low; 2. through bolt locking connection, the dismouting operation between the pipeline is complicated, is not convenient for in time maintain the pipeline.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connection structure to solve between the flange that exists among the prior art through bolted connection and lead to the inefficiency of pipe connection, the inconvenient problem of dismouting.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a connecting structure, includes two flanges, each the flange includes that hollow tube and cover are established and are fixed in disc on the hollow tube, connecting structure still including be used for with two the tight fastener of laminating of disc clamp, the fastener includes two relative half hoops that set up, each offer on the half hoop and supply two the recess that the disc stretched into, two the one end of half hoop is articulated, one of them install the trip on the free end of half hoop, another rotate on the half hoop install with the hasp of trip cooperation closure.

Furthermore, the cross section of each groove is trapezoidal, the inner side wall of each groove is provided with a first inclined surface, the width of each groove is gradually reduced from the opening end of the groove to the bottom surface of the groove, and each disc is correspondingly provided with a second inclined surface matched with the corresponding first inclined surface.

Further, the connecting structure further comprises a sealing assembly for sealing a gap between the two disks, and the sealing assembly is installed between the two disks.

Furthermore, each side surface of each disc facing the sealing assembly is provided with an annular groove, each sealing assembly comprises a sealing ring arranged between two annular grooves, and two ends of each sealing ring respectively extend into the corresponding annular grooves.

Furthermore, the sealing assembly further comprises a first sealing ring sheet used for filling a gap between the two disks, the first sealing ring sheet is arranged on the outer side of each annular groove, and the first sealing ring sheet is connected with the sealing ring.

Furthermore, the sealing assembly further comprises a second sealing ring piece used for filling a gap at the other position between the two disks, the second sealing ring piece is arranged on the inner side of each annular groove, the second sealing ring piece is connected with the sealing ring, and the sealing ring is located between the first sealing ring piece and the second sealing ring piece.

Furthermore, the thickness of the first sealing ring piece is equal to that of the second sealing ring piece, and two ends of the sealing ring respectively extend out of the first sealing ring piece.

Further, the sealing ring, the first sealing ring piece and the second sealing ring piece are integrally formed.

Further, the fastener also comprises a connecting piece arranged on one of the semi-hoops, and the lock catch is rotatably arranged on the connecting piece.

Furthermore, the central axes of the two hollow pipes are positioned on the same straight line, and the circle center of each disk and the circle center of each semi-hoop are positioned on the central axis of the hollow pipe.

The utility model provides a connection structure's beneficial effect lies in: compared with the prior art, the utility model discloses a set up the recess on each half hoop, two discs can stretch into respectively to each recess in. When the lock catch is matched and locked with the clamping hook, the two half hoops can clamp the two disks while locking, so that the two disks are tightly attached, and the effective connection between the two flanges is realized; after the lock catch and the clamping hook are unlocked, the fastener can be taken down, so that the two flanges can be conveniently separated. Therefore, when the pipeline is connected, the pipeline sleeve can be arranged on the hollow pipe, the flange can be quickly connected through the fastening piece, complex operation of bolt connection is replaced, connection efficiency of the pipeline is improved, operation space is small, and the pipeline is convenient and quick to disassemble and assemble.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings without creative efforts.

Fig. 1 is a front view of a connection structure provided in an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a connection structure provided in an embodiment of the present invention;

fig. 3 is a front view of a fastener provided by an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a fastener provided by an embodiment of the present invention

Fig. 5 is a schematic cross-sectional view of a flange provided in an embodiment of the present invention;

fig. 6 is a front view of a seal assembly provided by an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of a seal assembly according to an embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of two flanges and a sealing assembly according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a flange; 11-a hollow tube; 12-a disc; 121-a second inclined surface; 122-ring groove;

2-a fastener; 21-a half hoop; 211-grooves; 212-a first inclined surface; 22-a hook; 23-locking; 24-a connecting piece;

3-a sealing assembly; 31-a sealing ring; 32-a first sealing ring sheet; 33-second sealing ring sheet.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and fig. 2 together, a connection structure according to an embodiment of the present invention will now be described. The connecting structure includes two flanges 1 and a fastening member 2 for connecting the two flanges 1. Each flange 1 includes a hollow tube 11 and a disc 12 fixed to the hollow tube 11. The fastener 2 comprises two opposite and symmetrically arranged half hoops 21, and each half hoop 21 is provided with a groove 211 for the two discs 12 to extend into; one end of each of the two half hoops 21 is hinged, a hook 22 is mounted on the free end of one half hoop 21, and a lock 23 matched and locked with the hook 22 is rotatably mounted on the other half hoop 21.

When the fastener 2 is installed, the two half hoops 21 are opened, one ends of the two circular discs 12 extend into the groove 211 of one half hoop 21, and the other ends of the two circular discs extend into the groove 211 of the other half hoop 21; the two discs 12 can then be clamped together by locking the lock 23 to the hook 22. When the fastener 2 is detached, the lock 23 and the hook 22 are unlocked, and the fastener 2 is taken down from the disc 12, so that the flange 1 and the pipeline are convenient to maintain and replace.

The embodiment of the utility model provides a connection structure, compared with the prior art, the utility model discloses a set up recess 211 on each half hoop 21, two discs 12 can stretch into respectively to each recess 211 in. When the lock 23 is matched and locked with the hook 22, the two half hoops 21 can clamp the two discs 12 while locking, so that the two discs 12 are tightly attached, and the effective connection between the two flanges 1 is realized; after the lock 23 is unlocked from the hook 22, the fastener 2 can be removed, so that the two flanges 1 can be separated. Therefore, when the pipeline is connected, the pipeline sleeve can be arranged on the hollow pipe 11, and the flange 1 can be quickly connected through the fastening piece 2, so that the complex operation of bolt connection is replaced, the connection efficiency of the pipeline is further improved, the operation space is small, and the pipeline is convenient and quick to disassemble and assemble.

Further, referring to fig. 4 and fig. 5, as a specific implementation manner of the connection structure according to the embodiment of the present invention, the cross section of each groove 211 is trapezoidal, the width of each groove 211 gradually decreases from the opening end of the groove 211 to the bottom surface of the groove 211, the inner side wall of each groove 211 has a first inclined surface 212, and each disc 12 is correspondingly provided with a second inclined surface 121 matching with the corresponding first inclined surface 212. Alternatively, the cross section of each groove 211 is an isosceles trapezoid, which is not limited herein. With this structure, each disc 12 can obliquely extend into the corresponding groove 211 through the second inclined surface 121, thereby facilitating the installation of the fastening member 2. In addition, when the two half hoops 21 are locked, the external force applied to each half hoop 21 along the radial direction of the hollow pipe 11 has a component force along the axial direction of the hollow pipe 11 through the matching of each first inclined surface 212 and the corresponding second inclined surface 121, so that the two discs 12 can be pressed and attached, the attaching effect between the two discs 12 is improved, and the connecting and sealing effect between the two flanges 1 is improved.

Further, please refer to fig. 2 together, as a specific implementation manner of the connection structure provided by the embodiment of the present invention, the connection structure further includes a sealing assembly 3 for sealing a gap between the two disks 12, and the sealing assembly 3 is installed between the two disks 12. This structure can effectively fill the gap between two discs 12 through seal assembly 3, and then improves the sealed effect between two discs 12, effectively prevents that the medium in the pipeline from spilling over.

Further, referring to fig. 2 and fig. 5, as a specific implementation manner of the connection structure according to the embodiment of the present invention, the side surface of each disc 12 facing the sealing assembly 3 is provided with an annular groove 122, the sealing assembly 3 includes a sealing ring 31 installed between the two annular grooves 122, and two ends of the sealing ring 31 respectively extend into the corresponding annular grooves 122. Alternatively, the cut-off surface of the sealing ring 31 is circular or oval. With the structure, after the two half hoops 21 are locked, the two ends of the sealing ring 31 are respectively attached to the inner side walls of the annular grooves 122, so that the sealing effect between the two discs 12 can be further improved.

Optionally, each ring groove 122 has a depth of 3mm and a cross-sectional shape of a semicircle or an arc. Optionally, the sealing ring 31 is a solid cylindrical closed structure. When the cross section of the sealing ring 31 is circular, the diameter thereof may be 10 mm; when the cross-section of the seal ring 31 is elliptical, the major axis of the ellipse may be 14mm and the minor axis may be 8 mm. In other embodiments, the depth and the configuration of the cross-section of the annular groove 122, the configuration and the size of the cross-section of the sealing ring 31, and the like can be adjusted according to actual needs, and are not limited herein.

Further, referring to fig. 7 and 8 together, as a specific implementation manner of the connection structure according to the embodiment of the present invention, the sealing assembly 3 further includes a first sealing ring sheet 32 for filling a gap between the two disks 12, the first sealing ring sheet 32 is disposed outside each annular groove 122, and the first sealing ring sheet 32 is connected to the sealing ring 31. With the structure, the first sealing ring sheet 32 can seal the gap outside the annular groove 122 of the two disks 12, and the sealing ring 31 can realize double sealing effect, so that the sealing effect between the two disks 12 is further improved.

Further, referring to fig. 7 and 8 together, as a specific implementation manner of the connection structure provided by the embodiment of the present invention, the sealing assembly 3 further includes a second sealing ring piece 33 for filling another gap between the two disks 12, the second sealing ring piece 33 is disposed inside each annular groove 122, the second sealing ring piece 33 is connected to the sealing ring 31, and the sealing ring 31 is located between the first sealing ring piece 32 and the second sealing ring piece 33. With this structure, the second sealing ring piece 33 can seal the gap inside the annular groove 122 of the two disks 12, and the sealing ring 31 and the first sealing ring piece 32 are used together to realize triple sealing effect, thereby further improving the sealing effect between the two disks 12.

Further, referring to fig. 7, as a specific implementation manner of the connection structure according to the embodiment of the present invention, the first sealing ring piece 32 and the second sealing ring piece 33 have the same thickness, and two ends of the sealing ring 31 respectively extend out of the first sealing ring piece 32. When the structure is helpful for the two disks 12 to compress tightly, the two side walls of the first sealing ring piece 32 are respectively attached to the side walls of the two disks 12, the two side walls of the second sealing ring piece 33 are respectively attached to the side walls of the two disks 12, and the two side walls of the sealing ring 31 are respectively attached to the inner side walls of the two annular grooves 122, so that the sealing effect is improved.

Alternatively, the thickness of the first sealing ring sheet 32 and the second sealing ring sheet 33 may be 3mm, and the outer width of the first sealing ring sheet 32 may be 15mm, and does not exceed the outer edge of the disc 12; the outer width of the second seal ring piece 33 may be 7mm and does not exceed the inner edge of the disc 12. In other embodiments, the thickness, the width, etc. of the first sealing ring sheet 32 and the second sealing ring sheet 33 can be adjusted according to actual needs, and are not limited herein.

Optionally, referring to fig. 2, the sum of the thickness of the outer edges of the two disks 12 and the thickness of the first sealing ring sheet 32 is greater than or equal to the width of the bottom surface of each groove 211. With the structure, when the sum of the thickness of the outer edges of the two disks 12 and the thickness of the first sealing ring sheet 32 is equal to the width of the bottom surface of each groove 211, the outer peripheral surface of each disk 12 can be attached to the bottom surface of the corresponding groove 211; when the sum of the thickness of the outer edges of the two disks 12 and the thickness of the first sealing ring sheet 32 is greater than the width of the bottom surface of each groove 211, the outer peripheral surface of each disk 12 is spaced from the bottom surface of the corresponding groove 211. The two disks 12 are facilitated to clamp and fix the first sealing ring sheet 32, the sealing ring 31 and the second sealing ring sheet 33, and the sealing effect between the two disks 12 can be further improved.

Further, referring to fig. 3, as a specific implementation manner of the connection structure provided by the embodiment of the present invention, the fastening member 2 further includes a connecting piece 24 installed on one of the half hoops 21, and the lock 23 is rotatably installed on the connecting piece 24. This structure, through the position of adjustment connection piece 24 on half hoop 21, thereby can adapt to the flange 1 of different size, improve this connection structure's extensive adaptability.

Further, referring to fig. 7, as a specific implementation of the connection structure according to the embodiment of the present invention, the sealing ring 31, the first sealing ring piece 32 and the second sealing ring piece 33 are integrally formed. Optionally, the sealing ring 31, the first sealing ring piece 32 and the second sealing ring piece 33 are integrally injection-molded, and the sealing ring 31, the first sealing ring piece 32 and the second sealing ring piece 33 are made of non-corrosive materials or are subjected to corrosion protection treatment, and are not easily chemically reacted with a medium in a pipeline, which is not limited herein. Optionally, the integrally formed seal ring 31, the first seal ring piece 32 and the second seal ring piece 33 have excellent mechanical properties, are convenient and fast to manufacture, and have high production efficiency. In other embodiments, the sealing ring 31, the first sealing ring sheet 32 and the second sealing ring sheet 33 may be connected by other methods, which are not limited herein.

Further, referring to fig. 1 and fig. 2 together, as a specific implementation manner of the connection structure provided by the embodiment of the present invention, the central axes of the two hollow tubes 11 are located on the same straight line, and the circle center of each disc 12 and the circle center of each half hoop 21 are located on the central axis of the hollow tube 11. With the structure, after the fastening piece 2 is locked and fixed, the circle centers of the semi-hoops 21 and the disc 12 are positioned on the central axis of the hollow pipe 11, so that the connection precision between the two flanges 1 can be improved, and the connection reliability between pipelines can be improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Connection structure, including two flanges, each the flange includes the hollow tube and the cover is established and is fixed in disc on the hollow tube, its characterized in that: the connecting structure further comprises a fastener used for clamping and attaching the two disks, the fastener comprises two semi-hoops which are oppositely arranged, each semi-hoop is provided with a groove for the two disks to extend into, the two semi-hoops are hinged at one end, one of the semi-hoops is provided with a clamping hook at the free end, and the other semi-hoop is rotatably provided with a lock catch matched with the clamping hook for locking.

2. The connecting structure according to claim 1, wherein: the cross section of each groove is in a trapezoid shape, the width of each groove is gradually reduced from the opening end of the groove to the bottom surface of the groove, the inner side wall of each groove is provided with a first inclined surface, and each disc is correspondingly provided with a second inclined surface matched with the corresponding first inclined surface.

3. The connecting structure according to claim 1, wherein: the connecting structure further comprises a sealing assembly used for sealing a gap between the two disks, and the sealing assembly is arranged between the two disks.

4. The connecting structure according to claim 3, wherein: each disc face has seted up annular groove on the side of seal assembly, seal assembly is including installing in two the sealing washer between the annular groove, the both ends of sealing washer stretch into respectively to corresponding in the annular groove.

5. The connecting structure according to claim 4, wherein: the sealing assembly further comprises first sealing ring pieces used for filling a gap between the two circular discs, the first sealing ring pieces are arranged on the outer sides of the annular grooves, and the first sealing ring pieces are connected with the sealing rings.

6. The connecting structure according to claim 5, wherein: the sealing assembly further comprises a second sealing ring piece used for filling a gap at the other position between the two disks, the second sealing ring piece is arranged on the inner side of each annular groove, the second sealing ring piece is connected with the sealing ring, and the sealing ring is located between the first sealing ring piece and the second sealing ring piece.

7. The connecting structure according to claim 6, wherein: the thickness of the first sealing ring piece is equal to that of the second sealing ring piece, and two ends of the sealing ring respectively extend out of the first sealing ring piece.

8. The connecting structure according to claim 7, wherein: the sealing ring, the first sealing ring piece and the second sealing ring piece are integrally formed.

9. The connecting structure according to claim 1, wherein: the fastener further comprises a connecting piece arranged on one of the semi-hoops, and the lock catch is rotatably arranged on the connecting piece.

10. The connecting structure according to any one of claims 1 to 9, wherein: the central axes of the two hollow pipes are positioned on the same straight line, and the circle center of each disc and the circle center of each semi-hoop are positioned on the central axis of the hollow pipe.