CN210088031U - Supporting structure of shutter valve - Google Patents
Supporting structure of shutter valve Download PDFInfo
- Publication number
- CN210088031U CN210088031U CN201920922824.2U CN201920922824U CN210088031U CN 210088031 U CN210088031 U CN 210088031U CN 201920922824 U CN201920922824 U CN 201920922824U CN 210088031 U CN210088031 U CN 210088031U
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- CN
- China
- Prior art keywords
- packing
- transmission shaft
- seat
- bearing
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008093 supporting effect Effects 0.000 title claims abstract description 28
- 238000012856 packing Methods 0.000 claims abstract description 66
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model discloses a supporting structure of a louver valve, which comprises a transmission shaft, wherein one end of the transmission shaft is fixed with a coaxially arranged connecting pipe, the other end of the transmission shaft is connected with a bearing seat through a bearing, the transmission shaft is externally sleeved with a packing and a packing cover which is propped against the packing to compress the packing, the transmission shaft, the packing and the packing cover are externally sleeved with a packing seat, the packing seat compresses the packing and the packing cover, and one end of the packing seat is fixed with the bearing seat; and a central pipe for installing the louver blades is fixedly sleeved on the connecting pipe. The utility model discloses sealing performance is good, simple structure, job stabilization, and is strong in universality.
Description
Technical Field
The utility model relates to a technical field is made to the valve, concretely relates to bearing structure of tripe valve.
Background
The louver valve can be widely applied to dust-containing cold air or hot air pipelines of ventilation and environmental protection projects in the industries of metallurgy, building materials, chemical engineering, power stations, glass and the like, and can be used as a gas medium flow regulating or cutting device which can be matched with various actuators to form equipment with different performances. The louver valve consists of louver boards, shaft and electric mechanism. The electric device mechanism drives the transmission shaft and the louver boards thereon to synchronously rotate so as to achieve the purpose of adjusting or cutting off the air quantity. The valve has the advantages of simple structure, small volume, light weight, quick opening and closing, small fluid resistance and convenient operation.
The conventional louver valve is generally connected with a louver valve shell through bearings simply at two ends of a blade shaft, and the supporting mode is very simple in structure and can effectively reduce the production cost; however, the supporting mode cannot guarantee the sealing performance of the louver valve, cannot guarantee the close attachment of the two sides of the blades to the shell and the sealing of the end parts of the blade shafts, and therefore side leakage of the two sides of the louver valve is caused, and the normal opening and closing work of the louver valve is influenced.
Therefore, it is necessary to develop a new type of louver valve supporting structure with good sealing performance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bearing structure of louver valve, this bearing structure sealing performance is good, simple structure, job stabilization, and is with strong points of universality.
In order to realize the purpose, the technical scheme of the utility model is that:
a supporting structure of a louver valve comprises a transmission shaft, wherein one end of the transmission shaft is fixedly provided with a coaxially arranged connecting pipe, the other end of the transmission shaft is connected with a bearing seat through a bearing, a packing and a packing cover which is abutted against the packing and tightly presses the packing are sleeved outside the transmission shaft, a packing seat is sleeved outside the transmission shaft, the packing and the packing cover, the packing seat tightly presses the packing and the packing cover, and one end of the packing seat is fixed with the bearing seat; and a central pipe for installing the louver blades is fixedly sleeved on the connecting pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses be equipped with the packing outside the transmission shaft, the packing offsets with the packing lid, and the packing is compressed tightly with the packing lid to the packing seat simultaneously, guarantees the subsides of transmission shaft and packing tightly to guarantee the sealed of transmission shaft tip, avoid louver valve side leakage;
2. the utility model discloses a fixed center tube is established to the takeover overcoat, and it is fixed with the transmission shaft to take over the tip, takes over the transmission through increasing, has improved the support effect to the tripe valve blade.
Furthermore, a sealing plate is fixed on the outer side surface of the bearing seat, and the sealing plate is matched with the bearing and the bearing seat to form a sealing cavity.
By adopting the scheme, the bearing at the end part of the transmission shaft, the bearing seat and the sealing plate are matched to form the sealing cavity, so that the bearing is prevented from being influenced by the external environment during operation, and the work is stable; meanwhile, the end part of the transmission shaft is further sealed, and the sealing performance of the louver valve is improved.
Furthermore, the bearing seat is provided with an oil nozzle communicated with the sealing cavity.
By adopting the scheme, lubricating oil can be injected into the sealing cavity through the oil nozzle, and the normal work of the bearing is ensured.
Further, still the cover is equipped with the backup pad outward to the transmission shaft, a backup pad side with the other end of packing the root seat is fixed, and the backup pad with the bearing frame cooperation is pressed from both sides tightly the root seat, backup pad another side be fixed with the coaxial stay tube that sets up of transmission shaft.
By adopting the scheme, the supporting plate and the bearing seat are matched to tightly press the fixed disk root seat, so that the stability of the whole structure is improved; meanwhile, a supporting pipe is fixed on the outer side face of the supporting plate and plays a role in sealing the end part of the central pipe connected with the transmission shaft, the sealing performance of the louver valve is further improved, and side leakage of the louver valve is avoided.
Furthermore, the outer annular surface of the connecting pipe is provided with a spline, and the inner annular surface of the central pipe is provided with a clamping groove matched with the spline.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Shown in the figure:
1. a drive shaft;
2. taking over a pipe;
3. a bearing;
4. a bearing seat;
5. packing;
6. a packing cover;
7. a packing base;
8. a central tube;
9. a sealing plate;
10. a nozzle tip;
11. a support plate;
12. supporting a tube;
13. a spline;
14. a card slot;
15. the chamber is sealed.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1, the bearing structure of tripe valve that this embodiment provided, including transmission shaft 1, 1 one end of transmission shaft is fixed with the takeover 2 of coaxial setting, and the other end is connected with bearing frame 4 through bearing 3, and 1 overcoat of transmission shaft is equipped with packing 5 and the packing lid 6 that compresses tightly packing 5 with packing 5 counterbalance.
The outer sleeves of the transmission shaft 1, the packing 5 and the packing cover 6 are provided with a packing seat 7, the packing seat 7 compresses the packing 5 and the packing cover 6, and one end of the packing seat 7 is fixed with the bearing seat 4.
A central tube 8 for installing the louver blades is fixedly sleeved outside the connecting tube 2.
The outer annular surface of the connecting pipe 2 is provided with a spline 13, and the inner annular surface of the central pipe 8 is provided with a clamping groove 14 matched with the spline 13.
A sealing plate 9 is fixed on the outer side surface of the bearing seat 4, and the sealing plate 9, the bearing 3 and the bearing seat 4 are matched to form a sealing cavity 15.
The bearing 3 and the bearing seat 4 at the end part of the transmission shaft 1 are matched with the sealing plate 9 to form a sealing cavity 15, so that the bearing 3 is prevented from being influenced by the external environment during operation, and the work is stable; meanwhile, the end part of the transmission shaft 1 is further sealed, and the sealing performance of the louver valve is improved.
Be equipped with the glib 10 with sealed chamber 15 intercommunication on the bearing frame 4, can inject lubricating oil into sealed chamber 15 through glib 10, guarantee the normal work of bearing 3.
The transmission shaft 1 is also sheathed with a supporting plate 11, one side surface of the supporting plate 11 is fixed with the other end of the packing seat 7, the supporting plate 11 is matched with the bearing seat 4 to clamp the packing seat 7, and the other side surface of the supporting plate 11 is fixed with a supporting tube 12 which is coaxially arranged with the transmission shaft 1.
The supporting plate 11 and the bearing seat 4 are matched to tightly press the fixed disk root seat 7, so that the stability of the whole structure is improved; meanwhile, a supporting tube 12 is fixed on the outer side surface of the supporting plate 11, and the supporting tube 12 plays a role in sealing the connecting end part of the central tube 8 and the transmission shaft 1, so that the sealing performance of the louver valve is further improved, and the side leakage of the louver valve is avoided.
The packing 5 is arranged outside the transmission shaft 1, the packing 5 abuts against the packing cover 6, and meanwhile the packing seat 7 tightly presses the packing 5 and the packing cover 6, so that the tight adhesion between the transmission shaft 1 and the packing 5 is ensured, the end part of the transmission shaft 1 is ensured to be sealed, and the side leakage of the louver valve is avoided;
in the embodiment, the fixed central tube 8 is sleeved outside the connecting tube 2, the end part of the connecting tube 2 is fixed with the transmission shaft 1, and the supporting effect on the blades of the louver valve is improved by increasing the transmission of the connecting tube 2.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. The supporting structure of the louver valve is characterized by comprising a transmission shaft, wherein one end of the transmission shaft is fixedly provided with a coaxially arranged connecting pipe, the other end of the transmission shaft is connected with a bearing seat through a bearing, a packing and a packing cover which is abutted against the packing and tightly presses the packing are sleeved outside the transmission shaft, a packing seat is sleeved outside the transmission shaft, the packing and the packing cover, the packing seat tightly presses the packing and the packing cover, and one end of the packing seat is fixed with the bearing seat; and a central pipe for installing the louver blades is fixedly sleeved on the connecting pipe.
2. The support structure of a louver valve according to claim 1, wherein a sealing plate is fixed to an outer side of the bearing housing, and the sealing plate cooperates with the bearing and the bearing housing to form a sealing chamber.
3. A support structure for a louver valve according to claim 2, wherein said bearing housing is provided with a nozzle communicating with said seal chamber.
4. The supporting structure of a blind valve as claimed in claim 1, wherein a supporting plate is further sleeved outside the transmission shaft, one side surface of the supporting plate is fixed to the other end of the packing seat, the supporting plate is matched with the bearing seat to clamp the packing seat, and a supporting tube is fixed to the other side surface of the supporting plate and is coaxial with the transmission shaft.
5. A support structure for a blind valve as claimed in any one of claims 1 to 4, wherein the outer circumferential surface of the connecting tube is provided with splines, and the inner circumferential surface of the central tube is provided with locking grooves matching with the splines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922824.2U CN210088031U (en) | 2019-06-18 | 2019-06-18 | Supporting structure of shutter valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922824.2U CN210088031U (en) | 2019-06-18 | 2019-06-18 | Supporting structure of shutter valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210088031U true CN210088031U (en) | 2020-02-18 |
Family
ID=69483419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920922824.2U Expired - Fee Related CN210088031U (en) | 2019-06-18 | 2019-06-18 | Supporting structure of shutter valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210088031U (en) |
-
2019
- 2019-06-18 CN CN201920922824.2U patent/CN210088031U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 |