CN212131706U - Throttle ring and throttle device for flange structure - Google Patents

Abstract

The utility model provides a choke ring and be used for throttling arrangement of flange structure. The throttle ring is provided with a first side surface and a second side surface which are opposite to each other along the direction of the axis of the throttle ring, the first side surface of the throttle ring is provided with a first bulge which surrounds the axis, the second side surface of the throttle ring is provided with a second bulge which surrounds the axis, and the first bulge and the second bulge are not on the same axis. The throttling ring is suitable for being applied to various pipelines needing throttling, has simple structure, can ensure the sealing property, and is convenient to operate, such as installation, disassembly and the like.

Description

Throttle ring and throttle device for flange structure

Technical Field

The utility model relates to a field of throttling arrangement technique, concretely relates to choke ring and be used for throttling arrangement of flange structure.

Background

In order to ensure the flow of the loop is distributed reasonably, a throttling ring is usually required to adjust the resistance coefficient of each loop. The traditional design is that the throttling ring is fixedly welded inside the pipeline, and the throttling ring cannot be detached and replaced after being installed. If the pipeline needs to be replaced, the pipeline needs to be cut off, and the pipeline and the throttling ring need to be replaced again, which is very troublesome.

In view of this, it is desirable to design a choke ring and a choke device for a flange structure, which are easy to disassemble and replace and have appropriate dimensions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a choke ring and be used for flange structure's throttling arrangement.

The utility model provides a throttle ring, throttle ring has the first side and the second side that the direction along its axis carried on the back each other mutually, the first side setting of throttle ring encircles the first arch of axis, the second side setting of throttle ring encircles the second arch of axis, first arch with the second arch is not on an axis.

The utility model discloses an aspect, the protruding setting of second is in the outward flange department of throttle collar, first protruding setting is at the distance the certain interval department of outward flange of throttle collar.

In one aspect of the present invention, the first protrusion and the first side of the throttle ring are evenly transited.

In one aspect of the present invention, the first height is greater than the second height.

In one aspect of the present invention, the first convex outer side is provided with an annular thread, or the second convex inner side is provided with an annular thread.

On the other hand, this application provides a throttling arrangement for flange structure, adopts such as above-mentioned choke ring, still includes first mounting flange and second mounting flange, first mounting flange with annular groove has all been seted up to the close connection department of second mounting flange, the choke ring is fixed first mounting flange with in the annular groove between the second mounting flange, wherein first arch sets up in the annular groove of first mounting flange, the protruding setting of second is in the annular groove of second mounting flange, the aperture of choke ring is less than first mounting flange with the aperture of second mounting flange.

According to the utility model discloses an on the other hand, the choke coil passes through first arch with first mounting flange's annular groove cooperation forms first sealing, the choke coil passes through the second arch with cooperate in the annular groove of second mounting flange, form the second and say sealedly.

The utility model discloses an aspect, first mounting flange's annular groove is the step that forms in the position that is close to the body inner wall, first arch along the outside of radial direction with the lateral wall laminating of step, and along axial direction's tip with the bottom laminating of step, first arch along the inboard of radial direction with first mounting flange's body inner wall flushes.

In one aspect of the present invention, the annular groove of the second fixing flange is disposed at a distance from the inner wall of the spacer tube.

The utility model discloses an aspect, first mounting flange include with the cooperation space that the annular groove of second mounting flange is relative, the throttle collar with the protruding opposite part setting of second is in the cooperation space, just the throttle collar covers along the outside of radial direction first mounting flange with the butt joint department of second mounting flange.

The utility model provides a choke is through setting up first arch, the second side sets up the bellied unique structure of second in first side, and first arch and second arch are not on an axis for the choke installation is more firm stable, and the medium flows over the time the choke can not warp because of the power that receives the velocity of flow and become flexible, is fit for using in the various pipelines that need the throttle, and this choke simple structure just can guarantee the leakproofness, convenient operation such as installation and dismantlement.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification of the invention, illustrate exemplary embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic cross-sectional view of a choke according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a throttling device for a flange structure according to an embodiment of the present invention.

Description of reference numerals:

101-a first fixing flange, 102-a second fixing flange, 103-a throttling ring, 104-an annular groove, 201-a first protrusion, 202-a second protrusion.

Detailed Description

The features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention, for the purposes of illustrating the principles of the invention. Additionally, the components in the drawings are not necessarily to scale. For example, the dimensions of some of the structures or regions in the figures may be exaggerated relative to other structures or regions to help improve understanding of embodiments of the present invention.

The directional terms appearing in the following description are directions shown in the drawings and do not limit the specific structure of the embodiments of the present invention. In the description of the present invention, it should be noted that, unless otherwise stated, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

Furthermore, the terms "comprises," "comprising," "includes," "including," "has," "having" or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a structure or component comprising a list of elements does not include only those elements but may include other mechanical components not expressly listed or inherent to such structure or component. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.

Spatially relative terms such as "below," "… below," "lower," "above," "… above," "upper," and the like are used for convenience in describing the positioning of one element relative to a second element and are intended to encompass different orientations of the device in addition to different orientations than those illustrated in the figures. Further, for example, the phrase "one element is over/under another element" may mean that the two elements are in direct contact, or that there is another element between the two elements. Furthermore, terms such as "first", "second", and the like, are also used to describe various elements, regions, sections, etc. and should not be taken as limiting. Like terms refer to like elements throughout the description.

It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention.

Fig. 1 is a schematic sectional view of a throttle ring according to an embodiment of the present invention, and fig. 2 is a schematic sectional view of a throttle device for a flange structure according to an embodiment of the present invention.

As shown in fig. 1, the utility model provides a choke 103, choke 103 have along the direction of its axis first side and the second side that back on the back each other, and the first side of choke 103 sets up the first arch 201 around the axis, and the second side of choke 103 sets up the second arch 202 around the axis, and first arch 201 and second arch 202 are not on an axis. Specifically, the first protrusion 201 and the second protrusion 202 are respectively disposed on the first side surface and the second side surface of the throttle ring 103, and the throttle ring cannot be easily embedded into the pipeline on one axis, so that the throttle ring 103 is more firmly and stably mounted, and the throttle ring 103 does not deform and loosen due to the flow velocity when medium flows through the throttle ring 103. The first protrusion 201 and the second protrusion 202 which are arranged in a staggered mode are used for being embedded into different types of pipelines or flanges, and the throttling ring 103 is simple in structure and can guarantee sealing performance, and operation convenience such as installation and disassembly is achieved.

The utility model discloses an aspect, the protruding 202 setting of second is in the outward flange department of choke 103, and first arch 201 sets up in certain interval department apart from the outward flange of choke 103, and first protruding 201 highly is greater than the height of the protruding 202 of second.

In this embodiment, the first protrusions 201 are provided at intervals from the outer edge of the throttle ring 103, the intervals being set to the thickness of the second protrusions 202, so that the outer sides of the second protrusions 202 are at the outer edge of the throttle ring 103, and the inner sides of the second protrusions 202 are flush with the outer sides of the first protrusions 201 in the axial direction. The height of the first protrusion 201 is determined by the dimension of the step of the pipe or the flange matched with the first protrusion in the axial direction, the height of the second protrusion 202 is determined by the dimension of the groove of the pipe or the flange matched with the second protrusion in the axial direction, and the height of the first protrusion 201 is set to be larger than the height of the second protrusion 202 to ensure that the throttle ring 103 is stably installed.

In one aspect of the present invention, the first protrusion 201 is evenly transited to the first side of the throttle ring 103. The inner side surface of the first protrusion 201 may be connected to the first side surface of the throttle ring 103 in a buffer transition manner, so as to increase the stability of the first protrusion 201 and also buffer the medium flowing through the pipe.

In order to strengthen the installation leakproofness of choke ring 103, the utility model discloses an aspect, the outside of first arch 201 sets up annular thread, or, the inboard of second arch 202 sets up annular thread, and the mode that adopts threaded connection is fixed to pipeline or flange, and this kind of detachable mode easy operation is convenient, has improved work efficiency.

As shown in fig. 2, on the other hand, the present application provides a throttling device for a flange structure, which employs the throttling ring 103 as described above, and further includes a first fixing flange 101 and a second fixing flange 102, wherein the tight joint of the first fixing flange 101 and the second fixing flange 102 is provided with an annular groove 104, the throttling ring 103 is fixed in the annular groove 104 between the first fixing flange 101 and the second fixing flange 102, wherein a first protrusion 201 is disposed in the annular groove 104 of the first fixing flange 101, a second protrusion 202 is disposed in the annular groove 104 of the second fixing flange 102, and the aperture of the throttling ring 103 is smaller than the apertures of the first fixing flange 101 and the second fixing flange 102.

Specifically, the first fixing flange 101 and the second fixing flange 102 are both hollow cylindrical cavities, and the inner diameters of the first fixing flange 101 and the second fixing flange 102 may be the same, so that the first fixing flange 101 and the second fixing flange 102 can be coaxially fixed to each other. The choke ring 103 is of an annular structure, and in order to enable the choke ring 103 to be stably installed between the first fixing flange 101 and the second fixing flange 102, an annular groove 104 needs to be formed at the tight connection position of the first fixing flange 101 and the second fixing flange 102, so that a space where the choke ring 103 can be fixed is reserved. The outer diameter of the throttle ring 103 is larger than the inner diameters of the first fixing flange 101 and the second fixing flange 102, and the inner diameter of the throttle ring 103 is smaller than the inner diameters of the first fixing flange 101 and the second fixing flange 102, so that the throttle ring 103 can be fixedly arranged in the annular groove 104, and the throttle ring 103 can play a throttling role. The throttling device for the flange structure is compact in pipeline structure, suitable for optimizing the whole structure, simple to operate when the small-size throttling ring 103 is replaced, and capable of reducing the workload.

According to the utility model discloses a further aspect, choke ring 103 forms first sealing through the cooperation of first arch 201 with the annular groove 104 of first mounting flange 101, and choke ring 103 forms the second sealing through the cooperation in the second arch 202 and the annular groove 104 of second mounting flange 102. In order to ensure the tightness between the throttle ring 103 and the first fixing flange 101, a first protrusion 201 surrounding the axis is arranged on the first side surface of the throttle ring 103, the first protrusion 201 can cooperate with the annular groove 104 of the first fixing flange 101 to form a guide, so that the installation is easy, and meanwhile, a sealing ring is arranged between the first protrusion 201 and the first fixing flange 101 to form a first sealing line to prevent the medium from leaking outwards. The second protrusion 202 can cooperate with the annular groove 104 of the second fixing flange 102 to form a guide, and a sealing ring is disposed in a gap between the second protrusion 202 and the second fixing flange 102, so as to form a second seal and prevent the medium from leaking outwards.

In this embodiment, the inner side of the second protrusion 202 is attached to the side wall of the annular groove 104 and close to the inner wall of the second fixing flange 102 along the radial direction, and the outer side of the second protrusion 202 is attached to the inner wall of the annular groove 104 of the matching space opposite to the first fixing flange 101 and the second fixing flange 102, so that the outer side of the throttle ring 103 along the radial direction covers the butt joint of the first fixing flange 101 and the second fixing flange 102. The sealing ring can be a metal sealing ring or a non-metal sealing ring, and the throttling ring 103 is sealed with the first fixing flange 101 and the second fixing flange 102 through the sealing ring, so that flowing media cannot be leaked, and safety is ensured.

The utility model discloses an aspect, the annular groove 104 of first mounting flange 101 is the step that forms in the position that is close to the body inner wall, and first protruding 201 is laminated along the outside of radial direction and the lateral wall of step, and along the tip of axial direction and the bottom laminating of step, and first protruding 201 flushes along the inboard of radial direction and the body inner wall of first mounting flange 101.

Specifically, first mounting flange 101 can be the step flange, form the step in the position that is close to the body inner wall, the outside of first arch 201 is laminated with the lateral wall of step mutually in the radial direction, and the tip of first arch 201 is laminated with the bottom of step along axial direction, the inboard of first arch 201 flushes along the body inner wall of first mounting flange 101 along the radial direction, first arch 201 just so closely inlays on the step of first mounting flange 101 with seaming, when guaranteeing the leakproofness, when the first arch 201 of medium first-class, ensure that the velocity of flow of medium can be steady.

In one aspect of the present invention, the annular groove 104 of the second mounting flange 102 is disposed at a distance from the inner wall of the spacer tube. Here, as shown in fig. 2, the distance from the inner wall of the tubular body of the second fixing flange 102 may be set to be the thickness of the first protrusion 201, but other suitable thicknesses may be selected for the insertion of the throttle ring 103 into the annular groove. When the second bulge 202 of the throttle ring 103 is installed, the second bulge 202 is clamped in the annular groove 104, and the second fixing flange 102 is used for limiting, so that the throttle ring 103 is installed more firmly and stably, and the throttle ring 103 cannot deform and loosen due to the force of flow speed when medium flows.

In one aspect of the present invention, the first fixing flange 101 includes a fitting space opposite to the annular groove 104 of the second fixing flange 102, the portion of the choke ring 103 opposite to the second protrusion 202 is disposed in the fitting space, and the choke ring 103 covers the butt joint of the first fixing flange 101 and the second fixing flange 102 along the outside of the radial direction. Specifically, the inner side of the second protrusion 202 abuts against the side wall forming the annular groove 104 and radially close to the second fixing flange 102, and the outer side of the second protrusion 202 abuts against the side wall forming the annular groove 104 and radially far from the inner wall of the second fixing flange 102, so that the outer side of the throttle ring 103 in the radial direction covers the butt joint of the first fixing flange 101 and the second fixing flange 102.

The utility model provides a choke 103 is through setting up first arch 201 in first side, the second side sets up the unique structure of the protruding 202 of second, and first arch 201 and the protruding 202 of second are not on an axis, make choke 103 installation more firm stable, choke 103 can not warp because of the power that receives the velocity of flow and become flexible when the medium flows through, be fit for using in the various pipelines that need throttle, this choke 103 simple structure just can guarantee the leakproofness, convenient operation such as installation and dismantlement.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A throttle collar is characterized in that the throttle collar is provided with a first side surface and a second side surface which are opposite to each other along the direction of the axis of the throttle collar, the first side surface of the throttle collar is provided with a first bulge encircling the axis, the second side surface of the throttle collar is provided with a second bulge encircling the axis, and the first bulge and the second bulge are not on the same axis.

2. The ferrule as claimed in claim 1, wherein the second protrusion is provided at an outer edge of the ferrule, and the first protrusion is provided at a certain interval from the outer edge of the ferrule.

3. The ferrule of claim 1 wherein the first protrusion transitions uniformly with the first side of the ferrule.

4. The choke ring according to claim 1, characterized in that the height of the first protrusion is greater than the height of the second protrusion.

5. The choke ring according to claim 2, characterized in that the first protrusion is provided with an annular thread on the outside or the second protrusion is provided with an annular thread on the inside.

6. A throttling device for a flange structure is characterized in that the throttling ring according to any one of claims 1 to 5 is adopted, and the throttling ring further comprises a first fixing flange and a second fixing flange, wherein the tight connection part of the first fixing flange and the second fixing flange is provided with an annular groove, the throttling ring is fixed in the annular groove between the first fixing flange and the second fixing flange, the first bulge is arranged in the annular groove of the first fixing flange, the second bulge is arranged in the annular groove of the second fixing flange, and the aperture of the throttling ring is smaller than that of the first fixing flange and that of the second fixing flange.

7. A throttle device for a flange structure according to claim 6, characterized in that the throttle ring forms a first seal by the first protrusion engaging with the annular groove of the first fixed flange, and forms a second seal by the second protrusion engaging with the annular groove of the second fixed flange.

8. A flow restriction device according to claim 7, wherein the annular groove of the first fixing flange is a step formed at a position close to an inner wall of the body, the outer side of the first projection in the radial direction abuts a side wall of the step, and the end in the axial direction abuts a bottom of the step, and the inner side of the first projection in the radial direction is flush with the inner wall of the body of the first fixing flange.

9. A throttle device according to claim 7, characterized in that the annular groove of the second fixing flange is arranged at a distance from the inner wall of the spacing body.

10. A flow restriction device according to claim 9, wherein the first fixing flange includes a fitting space opposed to the annular groove of the second fixing flange, a portion of the flow restriction ring opposite to the second projection is provided in the fitting space, and an outer side of the flow restriction ring in the radial direction covers a butt joint of the first fixing flange and the second fixing flange.

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