CN204677976U - Pipe flow speed device for limiting - Google Patents
Pipe flow speed device for limiting Download PDFInfo
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- CN204677976U CN204677976U CN201520228710.XU CN201520228710U CN204677976U CN 204677976 U CN204677976 U CN 204677976U CN 201520228710 U CN201520228710 U CN 201520228710U CN 204677976 U CN204677976 U CN 204677976U
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Abstract
The utility model discloses a kind of pipe flow speed device for limiting, comprise the housing of tubular structure and the flow-limiting plate be contained in housing and hole plugging device, wherein, the peripheral side of flow-limiting plate and the madial wall of housing are tightly connected, the flowing hole for passing through for fluid is offered in the middle part of flow-limiting plate, hole plugging device is movable relative to flowing hole, hole plugging device is positioned at the side of flow-limiting plate near housing inlet port, when passing through fluid in housing, fluid driven hole plugging device is movable relative to flowing hole to be limited with fluid flow rate.This pipe flow speed device for limiting, when passing through fluid in housing, under the effect of different in flow rate in the duct, the fluid thrust that hole plugging device is subject to is different, position between hole plugging device and flowing hole is changed, causes the change of flow-limiting plate circulation area, thus weaken the change of liquid speed in pipeline, avoid on the one hand the dust granules deposition caused because flow velocity is too low, avoid flow velocity on the other hand too high and make the wearing and tearing of twin conduit.
Description
Technical field
The utility model relates to drift limit equipment technical field, particularly relates to a kind of pipe flow speed device for limiting.
Background technique
In fluid supply process, often need to limit flow velocity in pipeline near some values, to ensure that stability of flow in pipeline is in range of set value.Especially, when in pipeline, conveying contains the flue gas of dust granules, the flow velocity limited in pipeline can avoid the too low dust granules that causes of flow velocity to deposit on the one hand, also avoids the too high serious wear making twin conduit of flow velocity on the one hand in addition.But, in existing pipeline, do not have the flow velocity of corresponding device for flow body to limit.
Model utility content
Main purpose of the present utility model is to provide a kind of pipe flow speed device for limiting, is intended to weaken the change of liquid speed in pipeline.
For achieving the above object, the utility model provides a kind of pipe flow speed device for limiting, comprise the housing of tubular structure, and the flow-limiting plate be contained in housing and hole plugging device, wherein, the peripheral side of described flow-limiting plate and the madial wall of described housing are tightly connected, the flowing hole for passing through for fluid is offered in the middle part of described flow-limiting plate, described hole plugging device is movable relative to described flowing hole, described hole plugging device is positioned at the side of described flow-limiting plate near described housing inlet port, when passing through fluid in described housing, hole plugging device described in fluid driven limits with fluid flow rate relative to described flowing hole activity.
Preferably, described hole plugging device comprises plug-hole block and connects the elastic component of described plug-hole block and housing, and the two ends of this elastic component are fixedly connected with the madial wall of housing with described plug-hole block respectively.
Preferably, described plug-hole block is cone, and described flowing hole is circular hole.
Preferably, described elastic component is provided with multiple.
Preferably, multiple described elastic component is uniformly distributed at the circumferencial direction of described cone.
Preferably, described elastic component is spring.
The pipe flow speed device for limiting that the utility model proposes, by arranging hole plugging device, when passing through fluid in housing, fluid driven hole plugging device is movable relative to flowing hole to be limited with fluid flow rate, under effect because of different in flow rate in pipeline, the fluid thrust that hole plugging device is subject to is different, position between hole plugging device and flowing hole is changed, cause the change of flow-limiting plate circulation area, thus weaken the change of liquid speed in pipeline, and then avoid the dust granules caused because flow velocity is too low to deposit on the one hand, avoid on the other hand flow velocity too high and make the wearing and tearing of twin conduit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model pipe flow speed device for limiting preferred embodiment;
The left TV structure schematic diagram that Fig. 2 is the pipe flow speed device for limiting shown in Fig. 1;
The right TV structure schematic diagram that Fig. 3 is the pipe flow speed device for limiting shown in Fig. 1.
In figure, 1-housing, 2-elastic component, 3-plug-hole block, 4-flow-limiting plate.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
It should be noted that, in description of the present utility model, term " transverse direction ", " longitudinal direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, be not indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
Referring to figs. 1 through the structural representation that Fig. 3, Fig. 1 are the utility model pipe flow speed device for limiting preferred embodiment; The left TV structure schematic diagram that Fig. 2 is the pipe flow speed device for limiting shown in Fig. 1; The right TV structure schematic diagram that Fig. 3 is the pipe flow speed device for limiting shown in Fig. 1.Direction shown in Fig. 1 arrow is direction of flow.
In this preferred embodiment, pipe flow speed device for limiting, comprise the housing 1 of tubular structure and the flow-limiting plate 4 be contained in housing 1 and hole plugging device, wherein, the peripheral side of flow-limiting plate 4 and the madial wall of housing 1 are tightly connected, the flowing hole for passing through for fluid is offered in the middle part of flow-limiting plate 4, hole plugging device is movable relative to flowing hole, hole plugging device is positioned at the side of flow-limiting plate 4 near housing 1 entrance, when passing through fluid in housing 1, fluid driven hole plugging device is movable relative to flowing hole to be limited with fluid flow rate.
Particularly, in the present embodiment, hole plugging device comprises plug-hole block 3 and connects the elastic component 2 of plug-hole block 3 and housing 1, and the two ends of this elastic component 2 are fixedly connected with the madial wall of plug-hole block 3 with housing 1 respectively.
Plug-hole block 3 is cone, and flowing hole is circular hole.The tip end of cone is arranged towards flow-limiting plate 4 side.Elastic component 2 is provided with multiple.Multiple elastic component 2 is uniformly distributed at the circumferencial direction of cone.Elastic component 2 can be spring.
This pipe flow speed device for limiting is installed in fluid supply pipeline, welding or Flange joint can be adopted.Installation direction is as shown in Fig. 1 fluid flow direction.As the speed V that liquid speed limits higher than pipe flow speed device for limiting, the fluid thrust that plug-hole block 3 is subject to becomes large, make spring elongates, plug-hole block 3 moves to the direction near flow-limiting plate 4, the area allowing fluid to circulate due to flow-limiting plate 4 is occupied by close plug-hole block 3 gradually, thus the area causing flow-limiting plate 4 to allow fluid to circulate constantly reduces, fluids within pipes speed is finally made to reduce.Otherwise, as the speed V that liquid speed limits lower than pipe flow speed device for limiting, the fluid thrust that plug-hole block 3 is subject to diminishes, spring is compressed, plug-hole block 3 and then away from flow-limiting plate 4, the area allowing fluid to circulate due to flow-limiting plate 4 gradually by away from plug-hole block 3 discharge, the area causing flow-limiting plate 4 to allow fluid to circulate continues to increase, and finally makes fluids within pipes speed improve.
The pipe flow speed device for limiting that the present embodiment proposes, by arranging hole plugging device, when passing through fluid in housing 1, fluid driven hole plugging device is movable relative to flowing hole to be limited with fluid flow rate, under effect because of different in flow rate in pipeline, the fluid thrust that hole plugging device is subject to is different, position between hole plugging device and flowing hole is changed, cause the change of flow-limiting plate 4 circulation area, thus weaken the change of liquid speed in pipeline, and then avoid the dust granules caused because flow velocity is too low to deposit on the one hand, avoid on the other hand flow velocity too high and make the wearing and tearing of twin conduit.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure transformation utilizing the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a pipe flow speed device for limiting, it is characterized in that, comprise the housing of tubular structure, and the flow-limiting plate be contained in housing and hole plugging device, wherein, the peripheral side of described flow-limiting plate and the madial wall of described housing are tightly connected, the flowing hole for passing through for fluid is offered in the middle part of described flow-limiting plate, described hole plugging device is movable relative to described flowing hole, described hole plugging device is positioned at the side of described flow-limiting plate near described housing inlet port, when passing through fluid in described housing, hole plugging device described in fluid driven limits with fluid flow rate relative to described flowing hole activity.
2. pipe flow speed device for limiting as claimed in claim 1, it is characterized in that, described hole plugging device comprises plug-hole block and connects the elastic component of described plug-hole block and housing, and the two ends of this elastic component are fixedly connected with the madial wall of housing with described plug-hole block respectively.
3. pipe flow speed device for limiting as claimed in claim 2, it is characterized in that, described plug-hole block is cone, and described flowing hole is circular hole.
4. pipe flow speed device for limiting as claimed in claim 3, it is characterized in that, described elastic component is provided with multiple.
5. pipe flow speed device for limiting as claimed in claim 4, it is characterized in that, multiple described elastic component is uniformly distributed at the circumferencial direction of described cone.
6. as the pipe flow speed device for limiting in claim 2 to 5 as described in any one, it is characterized in that, described elastic component is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520228710.XU CN204677976U (en) | 2015-04-15 | 2015-04-15 | Pipe flow speed device for limiting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520228710.XU CN204677976U (en) | 2015-04-15 | 2015-04-15 | Pipe flow speed device for limiting |
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| Publication Number | Publication Date |
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| CN204677976U true CN204677976U (en) | 2015-09-30 |
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| CN201520228710.XU Active CN204677976U (en) | 2015-04-15 | 2015-04-15 | Pipe flow speed device for limiting |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595939A (en) * | 2016-11-23 | 2017-04-26 | 安徽瑞鑫自动化仪表有限公司 | Flow-stabilizing impurity-removing pressure gauge |
| CN106644240A (en) * | 2016-11-23 | 2017-05-10 | 安徽瑞鑫自动化仪表有限公司 | Pressure gauge capable of realizing impurity removing and current stabilization |
| CN107314585A (en) * | 2017-08-09 | 2017-11-03 | 苏州泰隆制冷有限公司 | A kind of idle call adjustable-flow distributor |
| CN108043602A (en) * | 2018-01-30 | 2018-05-18 | 广州大学 | A kind of adaptive turbulent flow nozzle |
-
2015
- 2015-04-15 CN CN201520228710.XU patent/CN204677976U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595939A (en) * | 2016-11-23 | 2017-04-26 | 安徽瑞鑫自动化仪表有限公司 | Flow-stabilizing impurity-removing pressure gauge |
| CN106644240A (en) * | 2016-11-23 | 2017-05-10 | 安徽瑞鑫自动化仪表有限公司 | Pressure gauge capable of realizing impurity removing and current stabilization |
| CN107314585A (en) * | 2017-08-09 | 2017-11-03 | 苏州泰隆制冷有限公司 | A kind of idle call adjustable-flow distributor |
| CN108043602A (en) * | 2018-01-30 | 2018-05-18 | 广州大学 | A kind of adaptive turbulent flow nozzle |
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