CN219177155U - Coupling structure - Google Patents

Abstract

The present disclosure provides a coupling structure including a first member having a first flange portion, a second member having a second flange portion, and a connection assembly including a first connection member and a second connection member connected to each other with an annular groove formed therebetween; the first flange part and the second flange part are clamped in the annular groove and can rotate in the annular groove, so that the position of the second piece relative to the first piece in the circumferential direction can be adjusted. The connecting structure of the present disclosure not only realizes the connection between two special-shaped pieces, but also can conveniently perform circumferential adjustment, solves the problems of complicated procedures and time and labor waste when the special-shaped pieces are adjusted, and greatly improves the production efficiency.

Description

Coupling structure

Technical Field

The disclosure relates to the field of connection technology, and in particular, to a coupling structure.

Background

In modern mechanical production, especially in related tests such as pipes, wind tunnels and sensor performance testing, it is often necessary to use profiled flanges for the coupling and the shape of the two flange parts coupled back and forth are different. The special-shaped flange is used for occasions requiring circumferential adjustment of downstream equipment, and the existing adjustment mode of the special-shaped flange is to split all the parts and reinstall the parts. However, the method is complicated in procedure, time-consuming and labor-consuming, and greatly reduces production efficiency.

Disclosure of Invention

The present disclosure provides a coupling structure to solve at least the above technical problems existing in the prior art.

A coupling structure according to the present disclosure, comprising: a first piece having a first flange portion; a second member having a shape different from the first member and having a second flange portion; the connecting assembly comprises a first connecting piece and a second connecting piece which are connected with each other, and an annular groove is formed between the first connecting piece and the second connecting piece; the first flange part and the second flange part are clamped in the annular groove and can rotate in the annular groove, so that the position of the second piece relative to the first piece in the circumferential direction can be adjusted.

In an embodiment, the first connecting piece is provided with a plurality of first through holes, the second connecting piece is provided with a plurality of second through holes opposite to the first through holes, and the plurality of first through holes are connected with the plurality of second through holes through a plurality of fasteners.

In an embodiment, the annular groove includes a first groove disposed on the first connecting piece and a second groove disposed on the second connecting piece, the first flange portion is clamped in the first groove, and the second flange portion is clamped in the second groove.

In one embodiment, the first connector is an integrally formed structure; the second connecting piece is of an integrated structure.

In an embodiment, the first connecting member includes a first portion and a second portion that are separated, the first portion is provided with a first lug, and the second portion is provided with a second lug, and the first lug and the second lug are connected by the connecting member.

In an embodiment, the second connecting piece comprises a third subsection and a fourth subsection which are separated, a third lug is arranged on the third subsection, a fourth lug is arranged on the fourth subsection, and the third lug and the fourth lug are connected through the connecting piece.

In an embodiment, the sealing device further comprises a sealing element, wherein the sealing element is arranged in the annular groove and is clamped between the first flange part and the second flange part.

In one embodiment, the seal is a copper gasket.

In one embodiment, the seal is a metal wound gasket.

In one embodiment, the second piece is a profiled flange.

The connecting assembly comprises a first connecting piece and a second connecting piece which are connected with each other, an annular groove is formed between the first connecting piece and the second connecting piece, and the first flange part and the second flange part are clamped in the annular groove by arranging the first flange part on the first piece and the second flange part on the second piece, so that the first flange part and the second flange part can rotate in the annular groove, and the second piece is adjustable in position in the circumferential direction relative to the first piece. Therefore, the connecting structure disclosed by the utility model not only realizes the connection between two special-shaped pieces, but also can conveniently carry out circumferential adjustment, solves the problems of complex procedure and time and labor waste during the adjustment of the special-shaped pieces, and greatly improves the production efficiency.

It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the disclosure, nor is it intended to be used to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following specification.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings, in which:

in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

FIG. 1 illustrates an overall structural schematic of a coupling structure of an embodiment of the present disclosure;

FIG. 2 illustrates a first piece of a structural schematic of a coupling structure of an embodiment of the present disclosure;

FIG. 3 illustrates a second piece structural schematic of a coupling structure of an embodiment of the present disclosure;

FIG. 4 illustrates an overall structural cross-sectional view of a coupling structure of an embodiment of the present disclosure;

FIG. 5 illustrates a third partial structural schematic view of a second connector of a coupling structure of an embodiment of the present disclosure;

fig. 6 shows a cross-sectional view of a coupling structure (second connector mated with second member) of an embodiment of the present disclosure.

The reference numerals in the figures illustrate: 1. a first member; 2. a second piece; 3. a connection assembly; 4. a seal; 11. a first flange portion; 21. a second flange portion; 31. a first connector; 32. a second connector; 311. a first groove; 312. a first through hole; 313. a first subsection; 314. a second subsection; 321. a second groove; 322. a second through hole; 323. a third subsection; 324. a fourth division; 3131. a first lug; 3141. a second lug; 3231. a third lug; 3241. and a fourth lug.

Detailed Description

In order to make the objects, features and advantages of the present disclosure more comprehensible, the technical solutions in the embodiments of the present disclosure will be clearly described in conjunction with the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, but not all embodiments. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.

Embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.

The coupling structure according to the present disclosure can be used for connection between two profile pieces.

Referring to fig. 1 to 4, a coupling structure of an embodiment of the present disclosure includes a first member 1, a second member 2, and a connection assembly 3. The first member 1 has a first flange portion 11, the second member 2 is shaped differently from the first member 1, and the second member 2 has a second flange portion 21; the connection assembly 3 includes a first connection member 31 and a second connection member 32 connected to each other with an annular groove formed between the first connection member 31 and the second connection member 32. Wherein, the first flange portion 11 and the second flange portion 21 are both clamped in the annular groove, and can rotate around an axle center in the annular groove, so that the position of the second piece 2 in the circumferential direction relative to the first piece 1 can be adjusted.

In the present embodiment, since the connection assembly 3 includes the first connection member 31 and the second connection member 32 connected to each other, an annular groove is formed between the first connection member 31 and the second connection member 32, and the first flange portion 11 and the second flange portion 21 are both caught in the annular groove by providing the first flange portion 11 on the first member 1 and the second flange portion 21 on the second member 2, so that the first flange portion 11 and the second flange portion 21 can be rotated in the annular groove, thereby allowing the second member 2 to be position-adjustable in the circumferential direction with respect to the first member 1. The first member 1 is usually an annular flange, and is usually fixed without adjustment in actual production, the second member 2 is usually a special-shaped flange, which specifically may include, but is not limited to, a round and square-shaped special-shaped flange (in the embodiment shown in the disclosure, the round and square-shaped special-shaped flange is taken as an example for the second member 2), and the special shape of the downstream connecting device port can be modified according to different actual application scenarios. The first connecting member 31 and the second connecting member 32 are connected with each other in an adjustable manner, but not in a fixed manner, so that when the second member 2 needs to be adjusted in direction, the connection between the first connecting member 31 and the second connecting member 32 can be adjusted, for example, the connection between the first connecting member 31 and the second connecting member 32 is loosened, so that the second member 2 can be rotated to a desired position. Therefore, the connecting structure disclosed by the utility model not only realizes the connection between two special-shaped pieces, but also can conveniently carry out circumferential adjustment, solves the problems of complex procedure, time and labor waste of disassembly when the second piece 2 is adjusted, has a simple and convenient adjustment mode, can be used for quickly and accurately adjusting the second piece 2 by an operator, and greatly improves the production efficiency; in addition, the whole universality of the connecting structure is high, the structure is compact, the manufacturing cost is low, and the production cost is fully saved.

In one embodiment, the first connecting member 31 is provided with a plurality of first through holes 312, the second connecting member 32 is provided with a plurality of second through holes 322 opposite to the first through holes 312, and the plurality of first through holes 312 are connected to the plurality of second through holes 322 by a plurality of fasteners.

In the present embodiment, the first connecting member 31 and the second connecting member 32 are each in the shape of an annular sheet, the first through holes 312 are uniformly distributed on the first connecting member 31 at a specific distance, and similarly, the second through holes 322 are provided on the second connecting member 32 in correspondence with the first through holes 312. The first connecting piece 31 and the second connecting piece 32 can be connected by bolts, and then the fastening piece can be a bolt or a nut. In practical application, fasteners can be arranged on only a few of all through holes according to the requirement to fasten the first connecting piece 31 and the second connecting piece 32, and the fasteners can be loosened when the second piece 2 is adjusted, so that the efficiency is further improved. It will be appreciated that the first connector 31 and the second connector 32 are of a common design and may be used interchangeably in actual production.

In one embodiment, the annular groove includes a first groove 311 formed on the first connecting member 31 and a second groove 321 formed on the second connecting member 32, the first flange 11 is engaged in the first groove 311, and the second flange 21 is engaged in the second groove 321.

In the present embodiment, the distance of the first flange portion 11 in the axial direction of the first member 1 is defined as the thickness of the first flange portion 11, the distance of the first groove 311 in the axial direction of the first connecting member 31 is defined as the depth of the first groove 311, and the thickness of the first flange portion 11 is the same as the depth of the first groove 311 (it is understood that the thickness of the first flange portion 11 is not absolutely the same as the depth of the first groove 311, and may be slightly deviated within a tolerance allowable range); similarly, the distance of the second flange portion 21 in the axial direction of the second member 2 is defined as the thickness of the second flange portion 21, the distance of the second groove 321 in the axial direction of the second connecting member 32 is defined as the depth of the second groove 321, and the thickness of the second flange portion 21 is the same as the depth of the second groove 321 (it is understood that the thickness of the second flange portion 21 is not exactly the same as the depth of the second groove 321, and may be slightly deviated within a tolerance allowable range)

In one embodiment, the first connecting member 31 and the second connecting member 32 are integrally formed.

In this embodiment, in a specific application, the first connecting piece 31 and the second connecting piece 32 are respectively sleeved on the first piece 1 and the second piece 2 and are not detachable, the first connecting piece 31 and the second connecting piece 32 are connected through a fastener, and when the direction of the second piece 2 needs to be adjusted, the fastener is loosened.

In one embodiment, the first connector 31 includes a first portion 313 and a second portion 314 that are separated, the first portion 313 is provided with a first tab 3131, the second portion 314 is provided with a second tab 3141, and the first tab 3131 and the second tab 3141 are connected by the connector.

In this embodiment, the first connector 31 is in a split structure, and is specifically divided into a first part 313 and a second part 314 that are separated, one or two first lugs 3131 are symmetrically disposed on the first part 313, corresponding to the first part 313, one or two second lugs 3141 are symmetrically disposed on the second part 314, and the first lugs 3131 and the second lugs 3141 are fixed by connectors, where the connectors may be a bolt-nut structure, but not limited to. Through setting up first connecting piece 31 into split structure, make the dismantlement of first connecting piece 31 more convenient, practiced thrift human cost and time.

Referring to fig. 5, in an embodiment, the second connector 32 includes a third part 323 and a fourth part 324 that are separated, a third lug is disposed on the third part 323, a fourth lug 3241 is disposed on the fourth part 324, and the third lug 3231 and the fourth lug 3241 are connected by the connector.

In this embodiment, the second connecting member 32 is in a split structure, and is specifically divided into a third part 323 and a fourth part 324 that are separated, one or two third lugs 3231 are symmetrically disposed on the third part 323, corresponding to the third part 323, one or two fourth lugs 3241 are symmetrically disposed on the fourth part 324, and the third lugs 3231 and the fourth lugs 3241 are fixed by connecting members, where the connecting members may be, but not limited to, bolt and nut structures. Through setting the second connecting piece 32 to split structure, make the dismantlement of second connecting piece 32 more convenient, practiced thrift human cost and time. It should be understood that the first connecting member 31 and the second connecting member 32 are of a common design, and the first portion 313, the second portion 314, the third portion 323 and the fourth portion 324 are identical and can be used interchangeably in actual production.

Referring to fig. 6, in an embodiment, the connection structure further includes a seal member 4, and the seal member 4 is disposed in the annular groove and sandwiched between the first flange portion 11 and the second flange portion 21.

In this embodiment, the sealing member 4 can play a fastening role and a sealing effect, and by providing the sealing member 4, the sealing property between the first member 1 and the second member 2 is ensured, so that the coupling structure is more compact.

Specifically, in one embodiment, the seal 4 is a copper gasket.

In the embodiment, the copper gasket has flexibility, can fill the unevenness of the flange surface, is convenient to process, and can be produced in any specification and type.

In one embodiment, the seal 4 is a metal wound gasket.

In the embodiment, the metal winding gasket is adopted, so that the metal winding gasket can be automatically adjusted, and gasket materials can be changed according to the use requirements in the actual application process, so that different use effects can be obtained; in addition to being sealable, metal wound gaskets are also a relatively prominent feature in terms of resistance to chemical attack; in addition, the device has the characteristics of excellent performance and convenient installation.

In one embodiment, the second piece 2 is a profiled flange.

In this embodiment, the second piece 2 may be a shaped flange, in particular a dome, which can change the direction of the interface of the downstream coupling device by adjusting itself. It will be appreciated that the profiled flange of the second piece 2 may also be specially shaped according to the actual application scenario, i.e. the downstream coupling device mouth. The coupling structures of the present disclosure may be applied to related testing applications including, but not limited to, pipes, wind tunnels, and the like, and sensor performance testing applications.

In the description of the present disclosure, it should be understood that the azimuth or positional relationship indicated by the azimuth word is generally based on the azimuth or positional relationship shown in the drawings, and is merely for convenience of describing the present disclosure and simplifying the description, and these azimuth words do not indicate or imply that the device or element to be referred to must have a specific azimuth or be configured and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present disclosure; the orientation terms "inner" and "outer" refer to the inner and outer relative to the outline of the components themselves.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one or more components or features' spatial positional relationships to other components or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass not only the orientation of the elements in the figures but also different orientations in use or operation. For example, if the element in the figures is turned over entirely, elements "over" or "on" other elements or features would then be included in cases where the element is "under" or "beneath" the other elements or features. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". Moreover, these components or features may also be positioned at a different angle (e.g., rotated 90 degrees or other angles), and all such cases are intended to be encompassed herein.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present disclosure. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, components, assemblies, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the foregoing figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the disclosure described herein may be implemented in sequences other than those illustrated or described herein.

The present disclosure has been illustrated by the above-described embodiments, but it should be understood that the above-described embodiments are for purposes of illustration and description only and are not intended to limit the present disclosure to the scope of the described embodiments. Further, it will be understood by those skilled in the art that the present disclosure is not limited to the above-described embodiments, and that many variations and modifications are possible in light of the teachings of the disclosure, which variations and modifications are within the scope of the disclosure as claimed. The scope of the disclosure is defined by the appended claims and equivalents thereof.

Claims (10)

1. A coupling structure, comprising:

a first piece (1), the first piece (1) having a first flange portion (11);

a second member (2), the second member (2) being shaped differently from the first member (1), and the second member (2) having a second flange portion (21); and

the connecting assembly (3), the connecting assembly (3) comprises a first connecting piece (31) and a second connecting piece (32) which are connected with each other, and an annular groove is formed between the first connecting piece (31) and the second connecting piece (32);

the first flange part (11) and the second flange part (21) are clamped in the annular groove and can rotate in the annular groove, so that the position of the second piece (2) relative to the first piece (1) in the circumferential direction can be adjusted.

2. The coupling structure according to claim 1, wherein a plurality of first through holes (312) are provided on the first connecting member (31), a plurality of second through holes (322) opposite to the first through holes (312) are provided on the second connecting member (32), and the plurality of first through holes (312) and the plurality of second through holes (322) are connected by a plurality of fasteners.

3. The coupling structure according to claim 1, wherein the annular groove includes a first groove (311) provided on the first connecting member (31) and a second groove (321) provided on the second connecting member (32), the first flange portion (11) is caught in the first groove (311), and the second flange portion (21) is caught in the second groove (321).

4. A coupling according to any one of claims 1-3, wherein the first connecting member (31) is of unitary construction; the second connecting piece (32) is of an integrally formed structure.

5. A coupling according to any one of claims 1-3, wherein the first connecting member (31) comprises a first part (313) and a second part (314) separated from each other, the first part (313) being provided with a first lug (3131) and the second part (314) being provided with a second lug (3141), the first lug (3131) and the second lug (3141) being connected by a connecting member.

6. A coupling according to any one of claims 1-3, wherein the second connection (32) comprises a third (323) and a fourth (324) separate part, the third part (323) being provided with a third lug (3231) and the fourth part (324) being provided with a fourth lug (3241), the third lug (3231) and the fourth lug (3241) being connected by a connection.

7. The coupling structure according to claim 1, further comprising a seal (4), the seal (4) being disposed within the annular groove and being sandwiched between the first flange portion (11) and the second flange portion (21).

8. Coupling structure according to claim 7, characterized in that the seal (4) is a copper gasket.

9. Coupling structure according to claim 7, characterized in that the seal (4) is a metal wound gasket.

10. Coupling structure according to claim 1, characterized in that the second piece (2) is a profiled flange.

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