CN216112769U - Clamp and blind flange connecting device - Google Patents
Clamp and blind flange connecting device Download PDFInfo
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- CN216112769U CN216112769U CN202120287112.5U CN202120287112U CN216112769U CN 216112769 U CN216112769 U CN 216112769U CN 202120287112 U CN202120287112 U CN 202120287112U CN 216112769 U CN216112769 U CN 216112769U
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- flange
- clamping
- clamping arm
- blind flange
- blind
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Abstract
The utility model discloses a clamp and blind flange connecting device, and belongs to the technical field of mechanical structures. The clip includes a first clamping arm, a second clamping arm, and a securing member. The connecting hole is formed in the first clamping arm, the connecting column is arranged at one end of the second clamping arm, the connecting column penetrates through the connecting hole and then has the remaining part, the fixing piece can be connected to the remaining part, the first clamping arm is provided with the first clamping jaw, the second clamping arm is provided with the second clamping jaw, and the connecting column can move along the axial direction of the connecting hole, so that the interval between the first clamping jaw and the second clamping jaw is adjustable. This blind flange connecting device can be fixed to a connecting wall, has on the connecting wall and sets up the hole, puts flange and flange including a plurality of these clips, connecting pipe, first card, second card. The blind flange can be stably connected, and the connection centering performance of the blind flange in a pipeline can be guaranteed.
Description
Technical Field
The utility model relates to the technical field of mechanical structures, in particular to a clamp and blind flange connecting device.
Background
Flanges, also known as "flanges". The flange comprises a narrow-face flange, a wide-face flange, a steel pipe flange, an integral flange, a loose flange, a threaded flange, a butt welding flange, a flat welding flange, a plate type flat welding flange, a neck welding bearing flange, a butt welding ring loose neck flange, a plate type new edge loose sleeve flange, a lining ring flange, a convex-concave flange, a tongue-and-groove flange, a reverse flange, a cast iron pipe flange, a gray cast iron threaded pipe flange, a blind flange and the like. The blind flange is a common solid steel plate used for blocking pipelines, equipment and the like at the joint of the two flanges, and the purpose is to test leakage during pressure test of the pipelines and the equipment.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a clip and a blind flange connection device, which can stably connect blind flanges and ensure the alignment of the blind flanges in the pipe, so that the clip and the blind flange connection device are more practical.
In order to achieve the first object, the technical scheme of the clamp provided by the utility model is as follows:
the utility model provides a clamp, which comprises a first clamping arm (10), a second clamping arm (14) and a fixing piece (12),
the first clamping arm (10) is provided with a connecting hole,
one end of the second clamping arm (14) is provided with a connecting column (11),
the connecting column (11) is provided with a residual part after penetrating through the connecting hole,
the fixing member can be connected to the remainder portion,
a first claw (19) is arranged on the first clamping arm (10), a second claw (20) is arranged on the second clamping arm (14),
the connecting column (11) can move along the axial direction of the connecting hole, so that the interval between the first clamping jaw (19) and the second clamping jaw is adjustable.
The clamp provided by the utility model can be further realized by adopting the following technical measures.
As a preference, the first and second liquid crystal compositions are,
a first thread is arranged on the connecting column (11),
the inner wall of the fixing piece (12) is provided with a second thread,
the first thread and the second thread are matched.
Preferably, the first clamping arm (10) is also provided with an assembling groove,
one axial end of the assembling groove is provided with a first opening, so that the assembling groove forms an accommodating cavity,
the connecting column (11) passes through the accommodating cavity and then passes through the connecting hole.
As a preference, the first and second liquid crystal compositions are,
the free end of the bent part of the first clamping arm (10) is provided with a first latch (13), the free end of the bent part of the second clamping arm (14) is provided with a second latch (17), and the first latch (13) and the second latch (17) are arranged correspondingly.
Preferably, the clip further comprises a shim (16),
the gasket is arranged between the fixing piece (12) and the first clamping arm (10).
In order to achieve the second object, the technical scheme of the blind flange connecting device provided by the utility model is as follows:
the blind flange connecting device provided by the utility model can be fixed to a connecting wall, the connecting wall is provided with a setting hole,
the blind flange connecting device comprises a plurality of clips (7), a connecting pipe (4), a first clamping flange (6), a second clamping flange (9) and a connecting flange (2),
the first clamping flange (6) is annular, the inner diameter of the first clamping flange (6) is equal to the outer diameter of the connecting pipe (4), and the first clamping flange (6) is fixedly connected to the outer wall of the connecting pipe (4) through the inner circumferential edge of the first clamping flange;
the second clamping flange (9) is annular, the inner diameter of the second clamping flange (9) is equal to the outer diameter of the connecting pipe (4), and the second clamping flange (9) is fixedly connected to the outer wall of the connecting pipe (4) through the inner circumferential edge of the second clamping flange;
the gap between the first clamping flange (6) and the second clamping flange (9) is equal to the thickness of the connecting wall, so that the connecting wall is clamped in the gap after the connecting pipe (4) is arranged in the arranging hole in a penetrating manner;
the connecting flange (2) is provided with a core hole, and the connecting flange (2) is connected to the tail end of the connecting pipe (4) so that the core hole is aligned with the connecting pipe (4);
when the blind flange (1) is connected to the blind flange connecting device, the blind flange (1) is fixed with the connecting flange (2) through the clamp (7).
The blind flange connecting device provided by the utility model can be further realized by adopting the following technical measures.
As a preference, the first and second liquid crystal compositions are,
a first latch (13) is arranged at the free end of the bent part of the first clamping arm (10), a second latch (17) is arranged at the free end of the bent part of the second clamping arm (14), and the first latch (13) and the second latch (17) are arranged correspondingly;
a first annular clamping groove (8) is arranged on the outer side surface of the blind flange (1),
a second annular clamping groove (21) is arranged on the inner side surface of the connecting flange (2),
when the blind flange (1) is connected to the blind flange connecting device, the first clamping teeth (13) of the clamp (7) are embedded in the first annular clamping groove (8), and the second clamping teeth (17) of the clamp (7) are embedded in the second annular clamping groove (21).
Preferably, the connecting flange (2) is connected with the tail end of the connecting pipe (4) through threads, or a damping piece (15) is arranged between the connecting flange (2) and the tail end of the connecting pipe (4).
Preferably, the clips (7) are uniformly distributed on the outer circumference of the blind flange (1).
Preferably, the blind flange connecting device also comprises a plurality of hoops (5),
multichannel hoop (5) hoop is located on connecting pipe (4), and, multichannel hoop (5) all are in first card is put between flange (6), the second card is put flange (9), makes, works as blind flange connecting device set up in set up downthehole back, multichannel hoop (5) are in set up the hole with between connecting pipe (4).
In the clip 7 provided by the utility model, the first clamping arm 10 is provided with the connecting hole, one end of the second clamping arm 14 is provided with the connecting column 11, and the gap between the first clamping arm 10 and the second clamping arm 14 can be adjusted through the connection of the connecting column 11 and the connecting hole, and particularly, when the blind flange 1 provided by the embodiment of the utility model is clamped, after the first clamping arm 10 and the second clamping arm 14 are connected, the gap d1 between the first clamping arm 10 and the second clamping arm 14 is made larger to align with the connecting flange 2 and the blind flange 1 which need to be clamped, the length of the connecting column 11 between the first clamping arm 10 and the second clamping arm 14 is adjusted, the gap d1 between the first clamping arm 10 and the second clamping arm 14 is reduced until the gap d2 can apply clamping acting force to the connecting flange 2 and the blind flange 1 to be clamped, and then the clamping of the blind flange 1 is completed, the device has the advantages of simple structure, convenient operation and low cost.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic perspective view of a blind flange connection device provided in an embodiment of the present invention, which is in one direction after being matched with a blind flange;
fig. 2 is a schematic perspective view of a blind flange connection device provided in an embodiment of the present invention, which is engaged with a blind flange and then has a three-dimensional structure in another direction;
fig. 3 is a front view of the blind flange connection device according to the embodiment of the present invention after being engaged with a blind flange;
FIG. 4 is a schematic sectional view taken along line B-B of FIG. 3;
FIG. 5 is an enlarged partial view of portion A of FIG. 4;
FIG. 6 is a schematic perspective view of a clip in one orientation according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view of a clip according to an embodiment of the present invention in another orientation;
FIG. 8 is a schematic top view of a clip according to an embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view taken along line C-C of FIG. 8;
fig. 10 is a schematic perspective view of a blind flange provided in an embodiment of the present invention in one direction;
FIG. 11 is a schematic perspective view of a blind flange provided in an embodiment of the present invention in another direction;
fig. 12 is a schematic perspective view of a connecting flange provided in an embodiment of the present invention in one direction;
FIG. 13 is a schematic perspective view of a connecting flange according to an embodiment of the present invention in another orientation;
fig. 14 is a schematic structural view of a blind flange connection device provided by an embodiment of the utility model after being connected with a clamping arm, wherein a clamp and a blind flange are not shown.
Detailed Description
In view of the above, the present invention provides a clip and a blind flange connection device, which can stably connect blind flanges and ensure the alignment of the blind flanges in the pipe, so that the clip and the blind flange connection device are more practical.
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the present invention, the following detailed description of the embodiments, structures, features and effects of the clamp and blind flange connection device according to the present invention will be made with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, with the specific understanding that: both a and B may be included, a may be present alone, or B may be present alone, and any of the three cases can be provided.
Clip embodiment
Referring to fig. 1-14, an embodiment of the present invention provides a clip including a first clamping arm 10, a second clamping arm 14, and a securing member 12. Be provided with the connecting hole on the first centre gripping arm 10, the one end of second centre gripping arm 14 is provided with spliced pole 11, and spliced pole 11 has the surplus portion after passing the connecting hole, and the mounting can be connected in the surplus portion, is provided with first jack catch 19 on the first centre gripping arm 10, is equipped with second jack catch 20 on the second centre gripping arm 14, and spliced pole 11 can be followed the axial displacement of connecting hole for the interval between first jack catch 19, the second jack catch is adjustable.
In the clip 7 provided by the utility model, the first clamping arm 10 is provided with the connecting hole, one end of the second clamping arm 14 is provided with the connecting column 11, and the gap between the first clamping arm 10 and the second clamping arm 14 can be adjusted through the connection of the connecting column 11 and the connecting hole, and particularly, when the blind flange 1 provided by the embodiment of the utility model is clamped, after the first clamping arm 10 and the second clamping arm 14 are connected, the gap d1 between the first clamping arm 10 and the second clamping arm 14 is made larger to align with the connecting flange 2 and the blind flange 1 which need to be clamped, the length of the connecting column 11 between the first clamping arm 10 and the second clamping arm 14 is adjusted, the gap d1 between the first clamping arm 10 and the second clamping arm 14 is reduced until the gap d2 can apply clamping acting force to the connecting flange 2 and the blind flange 1 to be clamped, and then the clamping of the blind flange 1 is completed, the device has the advantages of simple structure, convenient operation and low cost.
Wherein, be equipped with first screw thread on the spliced pole 11, be equipped with the second screw thread on the inner wall of mounting 12, first screw thread, second screw thread looks adaptation. In this case, by rotating the second holding arm 14, the gap between the first holding arm 10 and the second holding arm 14 can be adjusted by adjusting the thread pair formed by the first thread and the second thread, so that the structure is simpler and the operation is more convenient.
The first clamping arm 10 is further provided with an assembling groove, one axial end of the assembling groove is provided with a first opening, the assembling groove forms an accommodating cavity, and the connecting column 11 penetrates through the connecting hole after passing through the accommodating cavity. Under the condition, in the process of adjusting the length of the connecting column 11 between the first clamping arm 10 and the second clamping arm 14, the second clamping arm 14 can be guided to move along the axial direction of the connecting column 11, and the centering performance between the blind flange 1 to be clamped and the connecting flange 2 can be further ensured.
The free end of the bending part of the first clamping arm 10 is provided with a first latch 13, the free end of the bending part of the second clamping arm 14 is provided with a second latch 17, and the first latch 13 and the second latch 17 are arranged correspondingly. Under the condition, the first clamping teeth 13 can be embedded in the first annular clamping groove 8, the second clamping teeth 17 are embedded in the second annular clamping groove 21, and the problem that the clamp 7 is failed in clamping due to radial falling of the connecting flange 2 and the blind flange 1 to be clamped is avoided.
Wherein, the clamp further comprises a gasket 16, which is arranged between the fixing piece 12 and the first clamping arm 10. In this case, the stability of the connection between the bearing member 12 and the connecting column 11, the first holding arm 1 can be ensured by the spacer 16.
Blind flange connection device embodiments
The blind flange connecting device provided by the utility model can be fixed to a connecting wall, and the connecting wall is provided with an arrangement hole. The blind flange connection device comprises a plurality of clips 7, a connecting pipe 4, a first clamping flange 6, a second clamping flange 9 and a connecting flange 2. The first clamping flange 6 is annular, the inner diameter of the first clamping flange 6 is equal to the outer diameter of the connecting pipe 4, and the first clamping flange 6 is fixedly connected to the outer wall of the connecting pipe 4 through the circumferential edge of the inner circle of the first clamping flange; the second clamping flange 9 is annular, the inner diameter of the second clamping flange 9 is equal to the outer diameter of the connecting pipe 4, and the second clamping flange 9 is fixedly connected to the outer wall of the connecting pipe 4 through the inner circumferential edge of the second clamping flange; the gap between the first clamping flange 6 and the second clamping flange 9 is equal to the thickness of the connecting wall, so that the connecting wall is clamped in the gap after the connecting pipe 4 is arranged in the arranging hole in a penetrating manner; the connecting flange 2 is provided with a core hole, and the connecting flange 2 is connected to the tail end of the connecting pipe 4 so that the core hole is aligned with the connecting pipe 4; when the blind flange 1 is connected to the blind flange connecting device, the blind flange 1 is fixed with the connecting flange 2 through the clamp 7.
According to the blind flange connecting device provided by the embodiment of the utility model, the connecting pipe 4 is clamped and arranged in the arrangement hole of the connecting wall through the first clamping flange 6 and the second clamping flange 9, the connecting flange 2 is fixed at the tail end of the connecting pipe 4, so that the connecting flange 2 provides a clamping edge for the blind flange 1 to be clamped, the clamp 7 can apply an acting force conveniently, then the blind flange 1 to be clamped is aligned to the connecting flange 2, another clamping flange can be provided for the clamp 7, and therefore, another clamping force action edge is provided for the clamp 7, on the basis, the clamping and fixing of the flange 1 to be clamped can be realized only by clamping the plurality of clamps 7 to the clamping force action edges of the connecting flange 1 and the flange 2 to be clamped, and the operation is simple and convenient.
The free end of the bending part of the first clamping arm 10 is provided with a first latch 13, the free end of the bending part of the second clamping arm 14 is provided with a second latch 17, and the first latch 13 and the second latch 17 are arranged correspondingly. Be equipped with first ring groove 8 on blind flange 1's the lateral surface, be equipped with second ring groove 21 on connecting flange 2's the medial surface, when blind flange 1 connects in blind flange connecting device, first latch 13 of clip 7 inlays and locates in first ring groove 8, and second latch 17 of clip 7 inlays and locates in second ring groove 21. Under the condition, the first clamping teeth 13 can be embedded in the first annular clamping groove 8, the second clamping teeth 17 are embedded in the second annular clamping groove 21, and the problem that the clamp 7 is failed in clamping due to radial falling of the connecting flange 2 and the blind flange 1 to be clamped is avoided.
Wherein, the connecting flange 2 is connected with the tail end of the connecting pipe 4 through screw threads, or a damping piece 15 is arranged between the connecting flange 2 and the tail end of the connecting pipe 4. In this case, the connection stability between the connection flange 2 and the connection pipe 4 can be ensured, and the connection flange 2 is prevented from coming off from the end of the connection pipe 4.
Wherein, the clips 7 are uniformly distributed on the outer circumference of the blind flange 1. Under the condition, the stress on the circumference of the connecting flange 2 and the flange 1 to be clamped can be ensured to be uniform, so that the connection stability between the connecting flange 2 and the blind flange 1 to be clamped is ensured.
Wherein, blind flange connecting device still includes multichannel hoop 5, and multichannel hoop 5 hoops on locating connecting pipe 4 to, multichannel hoop 5 all is in first card and puts between flange 6, the second card is put the flange 9, makes, sets up downthehole back when blind flange connecting device, and multichannel hoop 5 is in and sets up between hole and the connecting pipe 4. In this case, the multi-channel hoop 5 can provide a protective barrier between the connecting wall and the connecting pipe 4, and in the process of penetrating the connecting pipe 4 to the connecting wall, the damping effect caused in the penetrating process of the connecting pipe 4 is small, and meanwhile, due to the protective barrier between the connecting wall and the connecting pipe 4, abrasion between the connecting pipe 4 and the connecting wall can be avoided, and the service life of the blind flange connecting device provided by the embodiment of the utility model is prolonged.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A clamp, characterized in that it comprises a first clamping arm (10), a second clamping arm (14) and a fixing element (12),
the first clamping arm (10) is provided with a connecting hole,
one end of the second clamping arm (14) is provided with a connecting column (11),
the connecting column (11) is provided with a residual part after penetrating through the connecting hole,
the fixing member can be connected to the remainder portion,
a first claw (19) is arranged on the first clamping arm (10), a second claw (20) is arranged on the second clamping arm (14),
the connecting column (11) can move along the axial direction of the connecting hole, so that the interval between the first clamping jaw (19) and the second clamping jaw is adjustable.
2. The clip of claim 1,
a first thread is arranged on the connecting column (11),
the inner wall of the fixing piece (12) is provided with a second thread,
the first thread and the second thread are matched.
3. The clamp according to claim 1, characterized in that said first clamping arm (10) is further provided with a fitting groove,
one axial end of the assembling groove is provided with a first opening, so that the assembling groove forms an accommodating cavity,
the connecting column (11) passes through the accommodating cavity and then passes through the connecting hole.
4. The clip of claim 1,
the free end of the bent part of the first clamping arm (10) is provided with a first latch (13), the free end of the bent part of the second clamping arm (14) is provided with a second latch (17), and the first latch (13) and the second latch (17) are arranged correspondingly.
5. The clip of claim 1 further comprising a shim (16),
the gasket is arranged between the fixing piece (12) and the first clamping arm (10).
6. A blind flange connecting device is characterized in that,
the blind flange connection device can be fixed to a connection wall, the connection wall is provided with a setting hole,
the blind flange connection comprising a plurality of clips (7) according to any one of claims 1 to 5, a connecting tube (4), a first retaining flange (6), a second retaining flange (9) and a connecting flange (2),
the first clamping flange (6) is annular, the inner diameter of the first clamping flange (6) is equal to the outer diameter of the connecting pipe (4), and the first clamping flange (6) is fixedly connected to the outer wall of the connecting pipe (4) through the inner circumferential edge of the first clamping flange;
the second clamping flange (9) is annular, the inner diameter of the second clamping flange (9) is equal to the outer diameter of the connecting pipe (4), and the second clamping flange (9) is fixedly connected to the outer wall of the connecting pipe (4) through the inner circumferential edge of the second clamping flange;
the gap between the first clamping flange (6) and the second clamping flange (9) is equal to the thickness of the connecting wall, so that the connecting wall is clamped in the gap after the connecting pipe (4) is arranged in the arranging hole in a penetrating manner;
the connecting flange (2) is provided with a core hole, and the connecting flange (2) is connected to the tail end of the connecting pipe (4) so that the core hole is aligned with the connecting pipe (4);
when the blind flange (1) is connected to the blind flange connecting device, the blind flange (1) is fixed with the connecting flange (2) through the clamp (7).
7. Blind flange connection according to claim 6,
a first latch (13) is arranged at the free end of the bent part of the first clamping arm (10), a second latch (17) is arranged at the free end of the bent part of the second clamping arm (14), and the first latch (13) and the second latch (17) are arranged correspondingly;
a first annular clamping groove (8) is arranged on the outer side surface of the blind flange (1),
a second annular clamping groove (21) is arranged on the inner side surface of the connecting flange (2),
when the blind flange (1) is connected to the blind flange connecting device, the first clamping teeth (13) of the clamp (7) are embedded in the first annular clamping groove (8), and the second clamping teeth (17) of the clamp (7) are embedded in the second annular clamping groove (21).
8. Blind flange connection according to claim 6, characterized in that a threaded connection is provided between the connection flange (2) and the end of the connection pipe (4), or in that a damping element (15) is provided between the connection flange (2) and the end of the connection pipe (4).
9. Blind flange connection according to claim 6, characterized in that the clips (7) are arranged evenly over the outer circumference of the blind flange (1).
10. Blind flange connection according to claim 6, characterized in that it further comprises a plurality of hoops (5),
multichannel hoop (5) hoop is located on connecting pipe (4), and, multichannel hoop (5) all are in first card is put between flange (6), the second card is put flange (9), makes, works as blind flange connecting device set up in set up downthehole back, multichannel hoop (5) are in set up the hole with between connecting pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120287112.5U CN216112769U (en) | 2021-02-01 | 2021-02-01 | Clamp and blind flange connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120287112.5U CN216112769U (en) | 2021-02-01 | 2021-02-01 | Clamp and blind flange connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216112769U true CN216112769U (en) | 2022-03-22 |
Family
ID=80686880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120287112.5U Active CN216112769U (en) | 2021-02-01 | 2021-02-01 | Clamp and blind flange connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216112769U (en) |
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2021
- 2021-02-01 CN CN202120287112.5U patent/CN216112769U/en active Active
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