CN204512480U - A kind of Simple gate valve - Google Patents
A kind of Simple gate valve Download PDFInfo
- Publication number
- CN204512480U CN204512480U CN201520029960.0U CN201520029960U CN204512480U CN 204512480 U CN204512480 U CN 204512480U CN 201520029960 U CN201520029960 U CN 201520029960U CN 204512480 U CN204512480 U CN 204512480U
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- CN
- China
- Prior art keywords
- valve
- spool
- gate valve
- simple gate
- frame set
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of Simple gate valve, and it can be arranged on a pipeline place, and this conduit upper offers opening; This Simple gate valve comprises casing assembly, valve rod, spool and valve pad, this casing assembly stuffing box gland is located on pipeline, this valve rod is positioned at casing assembly rotationally, this valve rod has external thread part, this valve core housing to be located on valve rod and to be formed with internal thread part, also be formed with the limit structure of restriction valve core rotation between this spool and casing assembly, this valve pad is positioned at below spool to seal pipeline.Compared with prior art, the utility model installs more simple, and labor cost is low, and only needs to regulate casing assembly for different pipelines, has preferably compatibility, very convenient.
Description
Technical field
The utility model relates to valve field, relates to a kind of Simple gate valve in particular, and they are different from traditional gate valve structure, has the advantages that compatibility is stronger.
Background technique
Gate valve is widely used a kind of valve in pipe network system, is also often referred to as gate valve or gate valve.In gate valve, drive closure member (i.e. flap) along moving with the direction of valve seat central axis the media flow cut off and open in pipeline by valve rod.Gate valve is usually applicable to keep flap standard-sized sheet or full cut-off and does not need the operating mode that often opens and closes.The feature of gate valve is: standard-sized sheet fluid resistance is little; Open and close laborsaving; Can use when medium two-way flow, there is no directivity; During standard-sized sheet, sealing surface is not vulnerable to erosion; Structure length is short, is not only applicable to doing the little valve of size, and is applicable to doing the large valve of size.
Gate valve can be divided into two kinds according to the seal form of valve seat: one is metal sealing gate valve, and wherein valve base sealing pair is metal o-ring; Another kind is elastic sealing gate valve, is wherein coated with the elastomers such as rubber outside flap.Along with the development of technology, the gate valve of current official website system, the gate valve especially in the system of the mesolow such as building, domestic water official website, adopts the pattern of elastic packing more.
But, no matter be the first form or the second form, gate valve generally all comprises valve body, valve gap, valve rod, flap, transmission device and runner, this valve body is formed with charging portion in the horizontal direction successively, plug in lock portion and discharging portion, this charging portion, plug in lock portion and discharging portion is integral type structure and end is formed with adpting flange respectively, this valve gap is bolted with valve rod and is connected, valve rod is connected with runner by transmission device, people pass through rotating wheel, under the drive of transmission device, this valve rod can realize moving up and down, this flap is then connected to stem bottom and is used to open or close plug in lock portion.
The gate valve of this conventional construction, its valve gap, valve rod, flap and runner are all auxiliary type structures, namely general all as a whole, there is the shortcoming that compatibility is poor, people, when needs add gate valve function at existing somewhere pipeline, all need also to cut section of tubing, reserve installing space to whole gate valve, again the pipeline of both sides is installed with gate valve and be connected, so also there is the defect that workload is large and labor cost is high.
Model utility content
The purpose of this utility model is to provide a kind of Simple gate valve, and it, when gate valve is installed at a certain pipeline place, has effect that workload is little and labor cost is low.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of Simple gate valve, it can be arranged on a pipeline place, and this conduit upper offers opening; Wherein, this Simple gate valve comprises casing assembly, valve rod, spool and valve pad, this casing assembly stuffing box gland is located on pipeline, this valve rod is positioned at casing assembly rotationally, this valve rod has external thread part, this valve core housing to be located on valve rod and to be formed with internal thread part, and be also formed with the limit structure of restriction valve core rotation between this spool and casing assembly, this valve pad is positioned at below spool to seal pipeline.
Further, this limit structure is the spacing elongated slot be formed in casing assembly and the spacing raised line be formed on spool, and this spacing elongated slot and spacing raised line all extend along the length direction of valve rod.
Further, this Simple gate valve also comprises runner, and this valve rod one end is run through casing assembly top and exposes outside, and this runner and valve rod are fixedly linked and are with ovable valve stem to rotate.
Further, this casing assembly comprises the first frame set, the second frame set and the 3rd frame set, this first frame set and the second frame set are sealed connected together and define the first space arranged for valve rod, spool and valve pad, and this second frame set seals with the 3rd frame set and is connected and is set on pipeline.
Further, between this first frame set and second frame set, seal ring be set and be bolted connected, between this second frame set and the 3rd frame set, seal ring be set and be bolted connected.
Further, this spool adopts metal material to make, and this valve pad adopts quality of rubber materials to make.
Further, this valve pad is coated on outside spool, has one in tip-shape bump bottom this valve pad, and this bump has thick portion pedestal and is positioned at pedestal centre, thick portion and the thin section tapered off to a point, and this thin section has the arc shaped surface that a radian is matched with inner-walls of duct.
Further, the width of this thick portion pedestal is 3 times of thin section width.
Further, this spool has annular flange portion, and this valve pad has the lip part that upper surface is just resisted against annular flange subordinate portion.
Further, this spool has back taper portion and supporting portion, and this Pyramidal part is in the below in annular flange portion, and this supporting portion is positioned at again the below in back taper portion.
After adopting said structure, the utility model relates to a kind of Simple gate valve, when it needs to install the gate valve structure controlling this pipe passage at a certain pipeline place, only need first to make a call to a hole to this pipeline, then casing assembly is fixed on pipeline, the function utilizing valve rod, spool and valve pad can realize a complete gate valve to have, specifically when people's rotation valve rod, valve rod can be with movable valve plug to move up and down, recycling valve pad can realize sealing to pipeline or open, thus reaches effect of whole gate valve.
Compared with prior art, the utility model installs more simple, and labor cost is low, and only needs to regulate casing assembly for different pipelines, has preferably compatibility, very convenient.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the utility model relates to before a kind of Simple gate valve is installed on pipeline;
Fig. 2 is the schematic diagram that the utility model relates to when a kind of Simple gate valve is just mounted on pipeline;
Fig. 3 is the schematic diagram that the utility model relates to when a kind of Simple gate valve is fully mounted on pipeline;
Fig. 4 is that the utility model relates to the sectional view of a kind of Simple gate valve along conduit axis direction;
Fig. 5 is that the utility model relates to the sectional view of a kind of Simple gate valve along cross-section of pipeline direction;
Fig. 6 is the structural representation that the utility model relates to a kind of Simple gate valve preferred embodiment.
In figure:
Simple gate valve-100; Casing assembly-1; First frame set-11;
Second frame set-12; 3rd frame set-13; Valve rod-2;
Spool-3; Annular flange portion-31; Back taper portion-32;
Supporting portion-33; Valve pad-4; Thick portion pedestal-41;
Thin section-42; Inner groove-421; Lip part-43;
Filter bag-5; Pipeline-200; Opening-210.
Embodiment
In order to explain the technical solution of the utility model further, below by specific embodiment, the utility model is elaborated.
As shown in Figures 1 to 6, a kind of Simple gate valve 100 that the utility model relates to, it can be arranged on pipeline 200 place, and this pipeline 200 top offers opening 210.
This Simple gate valve 100 comprises casing assembly 1, valve rod 2, spool 3 and valve pad 4, this casing assembly 1 stuffing box gland is located on pipeline 200, this valve rod 2 is positioned at casing assembly 1 rotationally, this valve rod 2 has external thread part, this spool 3 to be set on valve rod 2 and to be formed with internal thread part, also be formed with the limit structure limiting spool 3 and rotate between this spool 3 and casing assembly 1, this valve pad 4 is positioned at below spool 3 to seal pipeline 200.
Like this, when the utility model needs to install the gate valve structure controlling this pipe passage at a certain pipeline 200 place, only need first to make a call to a hole to this pipeline 200, then casing assembly 1 is fixed on pipeline 200, the function utilizing valve rod 2, spool 3 and valve pad 4 can realize a complete gate valve to have, specifically when people's rotation valve rod 2, valve rod 2 can be with movable valve plug 3 to move up and down, recycling valve pad 4 can realize sealing to pipeline 200 or open, thus reaches effect of whole gate valve.
Movable valve plug 3 can be with to move up and down when rotating to allow valve rod 2, this limit structure is the spacing elongated slot be formed in casing assembly 1 and the spacing raised line be formed on spool 3, this spacing elongated slot and spacing raised line all extend along the length direction of valve rod 2, so based on the thread matching structure between valve rod 2 and spool 3, again in conjunction with the cooperating structure of upper limit elongated slot and spacing raised line, allow valve rod 2 that movable valve plug 3 can be with to move up and down.In addition, preferably, this Simple gate valve 100 also comprises runner, and this valve rod 2 one end is run through casing assembly 1 top and exposes outside, and this runner and valve rod 2 are fixedly linked and are with ovable valve stem 2 to rotate.
As shown in Figures 1 to 5, in the present embodiment, this spool 3 adopts metal material to make, and this valve pad 4 adopts quality of rubber materials to make.This valve pad 4 is coated on outside spool 3, one is had in tip-shape bump bottom this valve pad 4, this bump has thick portion pedestal 41 and is positioned at pedestal 41 centre, thick portion and the thin section 42 tapered off to a point, and this thin section 42 has the arc shaped surface that a radian is matched with pipeline 200 inwall.Utilize this thin section 42 structure, so can strengthen area of contact and the sealability of valve pad 4 and pipeline 200 inwall, improve the performance of whole Simple gate valve 100.Preferably, the width of this thick portion pedestal 41 is 3 times of thin section 42 width, 3 times when, total can be allowed to be in best steady state.
As shown in Figure 4 and Figure 5, this spool 3 has annular flange portion 31, and this valve pad 4 has the lip part 43 that upper surface is just resisted against bottom, annular flange portion 31.So utilize this annular flange portion 31 and lip part 43, power from bottom to top can be allowed suffered by valve pad 4 to be supported by the annular flange portion 31 of spool 3, produce deformation upwards to prevent valve pad 4.
In addition, as shown in Figure 4 and Figure 5, this spool 3 has back taper portion 32 and supporting portion 33, and this back taper portion 32 is positioned at the below in annular flange portion 31, and this supporting portion 33 is positioned at again the below in back taper portion 32.Utilize this back taper portion 32 and supporting portion 33, especially supporting portion 33 is in circular, and so comprehensive support can live valve pad 4, the power allowing valve pad 4 be subject to tubular body can fully be unloaded down, very convenient.
As shown in Figure 6, as a preferred embodiment of this casing assembly 1, this casing assembly 1 comprises the first frame set 11, second frame set 12 and the 3rd frame set 13, this first frame set 11 and the second frame set 12 are sealed connected together and define the first space arranged for valve rod 2, spool 3 and valve pad 4, and this second frame set 12 seals with the 3rd frame set 13 and is connected and is set on pipeline 200.
Particularly, between this first frame set 11 and second frame set 12, seal ring be set and be bolted connected, between this second frame set 12 and the 3rd frame set 13, seal ring be set and be bolted connected.
Further, filtration can also be provided with bottom this Simple gate valve 100, whole gate valve in opened condition time, this filtration is stretched to make there is a filtration in the middle of pipeline 200, when whole gate valve is cut-off state, this filtration is not hindered the sealing of whole gate valve by compressing.As shown in Figure 6, offer inner groove 421 bottom this thin section 42, be connected with one end of filter bag 5 bottom this inner groove 421, the other end is then connected on pipeline 200.
In sum, compared with prior art, the utility model installs more simple, and labor cost is low, and only needs to regulate casing assembly 1 for different pipelines 200, has preferably compatibility, very convenient.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.
Claims (10)
1. a Simple gate valve, it can be arranged on a pipeline place, and this conduit upper offers opening; It is characterized in that, this Simple gate valve comprises casing assembly, valve rod, spool and valve pad, this casing assembly stuffing box gland is located on pipeline, this valve rod is positioned at casing assembly rotationally, this valve rod has external thread part, this valve core housing to be located on valve rod and to be formed with internal thread part, and be also formed with the limit structure of restriction valve core rotation between this spool and casing assembly, this valve pad is positioned at below spool to seal pipeline.
2. a kind of Simple gate valve as claimed in claim 1, is characterized in that, this limit structure is the spacing elongated slot be formed in casing assembly and the spacing raised line be formed on spool, and this spacing elongated slot and spacing raised line all extend along the length direction of valve rod.
3. a kind of Simple gate valve as claimed in claim 1, is characterized in that, this Simple gate valve also comprises runner, and this valve rod one end is run through casing assembly top and exposes outside, and this runner and valve rod are fixedly linked and are with ovable valve stem to rotate.
4. a kind of Simple gate valve as claimed in claim 1, it is characterized in that, this casing assembly comprises the first frame set, the second frame set and the 3rd frame set, this first frame set and the second frame set are sealed connected together and define the first space arranged for valve rod, spool and valve pad, and this second frame set seals with the 3rd frame set and is connected and is set on pipeline.
5. a kind of Simple gate valve as claimed in claim 4, it is characterized in that, between this first frame set and second frame set, seal ring be set and be bolted connected, between this second frame set and the 3rd frame set, seal ring be set and be bolted connected.
6. a kind of Simple gate valve as claimed in claim 1, is characterized in that, this spool adopts metal material to make, and this valve pad adopts quality of rubber materials to make.
7. a kind of Simple gate valve as claimed in claim 1, it is characterized in that, this valve pad is coated on outside spool, one is had in tip-shape bump bottom this valve pad, this bump has thick portion pedestal and is positioned at pedestal centre, thick portion and the thin section tapered off to a point, and this thin section has the arc shaped surface that a radian is matched with inner-walls of duct.
8. a kind of Simple gate valve as claimed in claim 7, is characterized in that, the width of this thick portion pedestal is 3 times of thin section width.
9. a kind of Simple gate valve as described in claim 1 or 7, is characterized in that, this spool has annular flange portion, and this valve pad has the lip part that upper surface is just resisted against annular flange subordinate portion.
10. a kind of Simple gate valve as claimed in claim 9, is characterized in that, this spool has back taper portion and supporting portion, and this Pyramidal part is in the below in annular flange portion, and this supporting portion is positioned at again the below in back taper portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520029960.0U CN204512480U (en) | 2015-06-10 | 2015-06-10 | A kind of Simple gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520029960.0U CN204512480U (en) | 2015-06-10 | 2015-06-10 | A kind of Simple gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204512480U true CN204512480U (en) | 2015-07-29 |
Family
ID=53710458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520029960.0U Expired - Fee Related CN204512480U (en) | 2015-06-10 | 2015-06-10 | A kind of Simple gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204512480U (en) |
-
2015
- 2015-06-10 CN CN201520029960.0U patent/CN204512480U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150729 Termination date: 20160610 |