CN204004457U - A kind of needle-valve of improvement - Google Patents
A kind of needle-valve of improvement Download PDFInfo
- Publication number
- CN204004457U CN204004457U CN201420404433.9U CN201420404433U CN204004457U CN 204004457 U CN204004457 U CN 204004457U CN 201420404433 U CN201420404433 U CN 201420404433U CN 204004457 U CN204004457 U CN 204004457U
- Authority
- CN
- China
- Prior art keywords
- valve
- needle
- valve rod
- bonnet
- valve body
- 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
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- Lift Valve (AREA)
Abstract
The utility model discloses a kind of needle-valve of improvement, it comprises: valve body (1), be arranged on the lower valve rod (2) on valve body (1), be enclosed within lower valve rod (2) periphery, and be arranged on the bonnet (3) on valve body (1), be enclosed within the torsional stop (4) of bonnet (3) periphery, torsional stop (4) is locked on valve body (1) by positioning screwn (5); Between lower valve rod (2) and bonnet (3), pad (6) is installed, filler (7) is installed on pad (6), packing press ring (8) is installed on filler (7), stuffing nut (9) is installed on packing press ring (8); Lower valve rod (2) is connected with upper valve rod (10), and upper valve rod (10) upper end is provided with handwheel (11).The needle-valve of this improvement, reasonable in design, the location that adopts torsional stop to realize valve body and bonnet, accurate positioning is convenient, and sealing is high, and Safety performance is good, easy for installation, has wide range of applications.
Description
Technical field
the utility model relates to a kind of valve, is specifically related to the needle-valve of the improvement that a kind of structural design is good.
Background technique
The needle-valve of improvement is a kind of reset valve having wide range of applications, and its valve plug is aciculiform, main with making adjustments throughput.Reset valve requires valve port to open change gradually greatly, from being closed to unlatching maximum, can fine regulate continuously.Needle plug can be realized this function.Its conical surface of sealing dependence of needle and valve base chamber closely cooperates and reaches.
But the needle-valve of the improvement of prior art, structural design is reasonable not, and at present the needle-valve bonnet of conventional bar improvement is used locating stud to position on valve body, due to locating stud use very inconvenient, locate precisely not, and time may cause damage to valve outside in dismounting.
Therefore, necessary on the basis of prior art, a kind of reasonable in design of design research and development, valve body and bonnet accurate positioning, sealing is high, Security is good, use convenient, the needle-valve of the improvement having wide range of applications.
Summary of the invention
Goal of the invention: the purpose of this utility model is for the deficiencies in the prior art, a kind of reasonable in design of research and development designs, valve body and bonnet location are convenient, accurate positioning, sealing is high, Security is good, use convenient, the needle-valve of the improvement having wide range of applications.
Technological scheme: in order to realize above object, the technological scheme that the utility model is taked is as follows:
A needle-valve for improvement, it comprises: valve body, be arranged on the lower valve rod on valve body, be enclosed within lower valve rod periphery, and be arranged on the bonnet on valve body, be enclosed within the torsional stop of bonnet periphery, described torsional stop is locked on valve body by positioning screwn;
Between described lower valve rod and bonnet, pad is installed, filler is installed on pad, packing press ring is installed on filler, stuffing nut is installed on packing press ring;
Described lower valve rod, is connected with upper valve rod, and upper valve rod upper end is provided with handwheel.
As preferred version, the needle-valve of above-described improvement, described stuffing nut periphery is provided with locking nut.
As preferred version, the needle-valve of above-described improvement, described handwheel is fixed on upper valve rod upper end by Cock screw.
The needle-valve of the improvement that the utility model provides, screens by great many of experiments, adopts the form of torsional stop, realizes the positioning action of bonnet, valve body.After valve machines, before assembling, the tapping of punching on the mounting plane of valve body and bonnet, when mounted, bonnet is mounted on valve body, before mounting handle, anti-rotation sleeve-board is crossed to bonnet, then at punching tapping position, load onto positioning screwn, realize the location anti-rotation effect of bonnet.
Beneficial effect: compared to the prior art the needle-valve of the improvement that the utility model provides has the following advantages:
The needle-valve of the improvement that the utility model provides, reasonable in design, the location that adopts torsional stop to realize valve body and bonnet, accurate positioning is convenient, and sealing is high, and Safety performance is good, easy for installation, has wide range of applications.
Accompanying drawing explanation
Fig. 1 is the structural representation of the needle-valve of the improvement that provides of the utility model.
Fig. 2 is the structural representation of the torsional stop in the needle-valve of improvement.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiments and only for the utility model is described, be not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
As depicted in figs. 1 and 2, a kind of needle-valve of improvement, it comprises: valve body (1), be arranged on the lower valve rod (2) on valve body (1), be enclosed within lower valve rod (2) periphery, and be arranged on the bonnet (3) on valve body (1), and being enclosed within the torsional stop (4) of bonnet (3) periphery, described torsional stop (4) is locked on valve body (1) by positioning screwn (5);
Between described lower valve rod (2) and bonnet (3), pad (6) is installed, filler (7) is installed on pad (6), packing press ring (8) is installed on filler (7), stuffing nut (9) is installed on packing press ring (8);
Described lower valve rod (2), is connected with upper valve rod (10), and upper valve rod (10) upper end is provided with handwheel (11).
The needle-valve of above-described improvement, described stuffing nut (9) periphery is provided with locking nut (12).
The needle-valve of above-described improvement, described handwheel (11) is fixed on upper valve rod (10) upper end by Cock screw (13).
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. the needle-valve of an improvement, it is characterized in that, it comprises: valve body (1), be arranged on the lower valve rod (2) on valve body (1), be enclosed within lower valve rod (2) periphery, and be arranged on the bonnet (3) on valve body (1), and being enclosed within the torsional stop (4) of bonnet (3) periphery, described torsional stop (4) is locked on valve body (1) by positioning screwn (5);
Between described lower valve rod (2) and bonnet (3), pad (6) is installed, filler (7) is installed on pad (6), packing press ring (8) is installed on filler (7), stuffing nut (9) is installed on packing press ring (8);
Described lower valve rod (2) is connected with upper valve rod (10), and upper valve rod (10) upper end is provided with handwheel (11).
2. the needle-valve of improvement according to claim 1, is characterized in that, described stuffing nut (9) periphery is provided with locking nut (12).
3. the needle-valve of improvement according to claim 1, is characterized in that, described handwheel (11) is fixed on upper valve rod (10) upper end by Cock screw (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404433.9U CN204004457U (en) | 2014-07-22 | 2014-07-22 | A kind of needle-valve of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404433.9U CN204004457U (en) | 2014-07-22 | 2014-07-22 | A kind of needle-valve of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004457U true CN204004457U (en) | 2014-12-10 |
Family
ID=52044460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420404433.9U Expired - Fee Related CN204004457U (en) | 2014-07-22 | 2014-07-22 | A kind of needle-valve of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879512A (en) * | 2015-05-29 | 2015-09-02 | 许炎章 | Novel pressure meter needle valve |
-
2014
- 2014-07-22 CN CN201420404433.9U patent/CN204004457U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879512A (en) * | 2015-05-29 | 2015-09-02 | 许炎章 | Novel pressure meter needle valve |
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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 |
Granted publication date: 20141210 Termination date: 20190722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |