CN209026222U - A kind of sealing external thread stop valve - Google Patents
A kind of sealing external thread stop valve Download PDFInfo
- Publication number
- CN209026222U CN209026222U CN201821605476.8U CN201821605476U CN209026222U CN 209026222 U CN209026222 U CN 209026222U CN 201821605476 U CN201821605476 U CN 201821605476U CN 209026222 U CN209026222 U CN 209026222U
- Authority
- CN
- China
- Prior art keywords
- liquid
- valve
- spool
- integrally formed
- bellows
- 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
Landscapes
- Details Of Valves (AREA)
Abstract
It is disclosed by the utility model to belong to shut-off valve technical field, specially a kind of sealing external thread stop valve, including bellows, the left and right ends of the bellows offer respectively is integrally formed inlet and liquid outlet, the opposite side of the inlet and liquid outlet is respectively equipped with integrally formed liquid inlet channel and tapping channel, integrally formed first liquid chamber is equipped at the lumen centers of the bellows, the top liquid mouth of the liquid inlet channel is connected with the first liquid chamber, the top of the bellows is fixedly connected with valve pipe, the inner cavity of the valve pipe is arranged with valve rod, the bottom end of the valve rod is fixedly connected with the first spool compatible with liquid inlet channel top liquid mouth, by the way that two groups of liquid chambers are arranged, and one group of spool is respectively provided in the inner cavity of two groups of liquid chambers, so that another group of spool can also play the throttling action to medium when one group of spool damage, avoid current cut-off Valve is provided only with one group of spool mostly, to cause the service life of shut-off valve shorter.
Description
Technical field
It is disclosed by the utility model to belong to shut-off valve technical field, specially a kind of sealing external thread stop valve.
Background technique
The opening and closing element of shut-off valve is the flap of stopper, and sealing surface is in plane or the conical surface, and flap is made straight along the center line of valve seat
Line movement.The forms of motion of valve rod, (adopted name: dark bar), also there is lifting rotation rod-type, (adopted name: rising stem (RS.)) shut-off valve
Refer to the valve that closure member (flap) is moved along valve seat center line.According to this mobile form of flap, the variation of valve seat port
It is and flap stroke direct proportionality.Since to open or close stroke relatively short for the valve rod of such valve, and have non-
Normal reliable cutting function, and due to the stroke direct proportionality of the variation of valve seat port and flap, it is very suitable for convection current
The adjusting of amount.Therefore, such shut-off valve valve that shuts off is highly suitable as cutting off or adjusting and throttling is used, current
Shut-off valve is provided only with one group of spool mostly, to cause the service life of shut-off valve shorter.For this purpose, we have proposed a kind of sealings
External thread stop valve comes into operation, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of sealing external thread stop valves, to solve to propose in above-mentioned background technique
Current shut-off valve be provided only with one group of spool mostly, thus the problem for causing the service life of shut-off valve shorter.
To achieve the above object, the utility model provides the following technical solutions: a kind of sealing external thread stop valve, including wave
Line pipe, the left and right ends of the bellows offer respectively is integrally formed inlet and liquid outlet, the inlet and liquid outlet
Opposite side be respectively equipped with integrally formed liquid inlet channel and tapping channel, be equipped at the lumen centers of the bellows integrally formed
The top liquid mouth of first liquid chamber, the liquid inlet channel is connected with the first liquid chamber, and the top of the bellows is fixedly connected with valve pipe,
The inner cavity of the valve pipe is arranged with valve rod, and the bottom end of the valve rod is fixedly connected with compatible with liquid inlet channel top liquid mouth first
Spool, first spool are set to the inner cavity of the first liquid chamber, and the bottom end inner cavity of the valve pipe offers integrally formed second
The left end liquid mouth of liquid chamber, the tapping channel is connected with the second liquid chamber, and first liquid chamber is connected with the second liquid chamber, and described
The inner cavity of two liquid chambers is equipped with the second matched spool, and the second spool is adapted with the left end liquid mouth of tapping channel, described
Second spool is fixedly connected with valve rod, and the top of second liquid chamber is equipped with integrally formed stop collar, the top of the valve pipe
It is fixedly connected with fixture nut, the valve rod is threadedly coupled with fixture nut, and the top of the valve rod is equipped with integrally formed tune
The top of pole, the adjusting rod is fixedly installed with regulation handle.
Preferably, the left side even tube wall of the bellows is equipped with integrally formed external screw thread, the inner cavity of the liquid outlet
Side wall is evenly distributed with integrally formed left-hand thread.
Preferably, the bottom end of the regulation handle offers mounting groove compatible with adjusting rod top, the adjusting rod
Top be equipped with integrally formed screw hole, the inner cavity of the regulation handle is equipped with fixing bolt compatible with screw hole.
Preferably, the tapered structure of the first spool, the top end diameter of first spool are greater than the top of liquid inlet channel
Liquid mouth.
Compared with prior art, the utility model has the beneficial effects that by two groups of liquid chambers of setting, and in two groups of liquid chambers
Inner cavity is respectively provided with one group of spool, so that another group of spool can also play the throttling action to medium when one group of spool damage, avoids
Current shut-off valve is provided only with one group of spool mostly, to cause the service life of shut-off valve shorter.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model regulation handle bottom substance schematic diagram；
Fig. 3 is that the utility model adjusts rod structure right view.
In figure: 1 bellows, 11 inlets, 12 liquid outlets, 13 liquid inlet channels, 14 first liquid chambers, 15 tapping channels, 2 valve pipes, 21
Second liquid chamber, 22 stop collars, 3 valve rods, 4 first spools, 5 second spools, 6 fixture nuts, 7 adjusting rods, 71 screw holes, 8 adjust handle
Hand, 81 mounting grooves, 9 fixing bolts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of sealing external thread stop valve, including ripple
Pipe 1, the left and right ends of the bellows 1 offer respectively is integrally formed inlet 11 and liquid outlet 12,11 He of inlet
The opposite side of liquid outlet 12 is respectively equipped with integrally formed liquid inlet channel 13 and tapping channel 15, at the lumen centers of the bellows 1
Equipped with integrally formed first liquid chamber 14, the top liquid mouth of the liquid inlet channel 13 is connected with the first liquid chamber 14, the bellows 1
Top be fixedly connected with valve pipe 2, the inner cavity of the valve pipe 2 is arranged with valve rod 3, the bottom end of the valve rod 3 be fixedly connected with
Compatible first spool 4 of 13 top liquid mouth of liquid inlet channel, first spool 4 are set to the inner cavity of the first liquid chamber 14, the valve
The bottom end inner cavity of pipe 2 offers integrally formed second liquid chamber 21, left end liquid mouth and 21 phase of the second liquid chamber of the tapping channel 15
Connection, first liquid chamber 14 is connected with the second liquid chamber 21, and the inner cavity of second liquid chamber 21 is equipped with matched the
Two spools 5, and the second spool 5 is adapted with the left end liquid mouth of tapping channel 15, second spool 5 is fixedly connected with valve rod 3, institute
The top for stating the second liquid chamber 21 is equipped with integrally formed stop collar 22, and the top of the valve pipe 2 is fixedly connected with fixture nut 6,
The valve rod 3 is threadedly coupled with fixture nut 6, and the top of the valve rod 3 is equipped with integrally formed adjusting rod 7, the adjusting rod 7
Top be fixedly installed with regulation handle 8.
Wherein, the left side even tube wall of the bellows 1 is equipped with integrally formed external screw thread, the inner cavity of the liquid outlet 12
Side wall is evenly distributed with integrally formed left-hand thread, so that need to only rotate bellows 1 when installing the shut-off valve can be by both ends
Pipeline be screw-coupled on the outside of the right end of bellows 1 respectively and the inner cavity of liquid outlet 12, the bottom end of the regulation handle 8 offer with
The top of the compatible mounting groove 81 in 7 top of adjusting rod, the adjusting rod 7 is equipped with integrally formed screw hole 71, the adjusting handle
The inner cavity of hand 8 is equipped with fixing bolt 9 compatible with screw hole 71, so that regulation handle 8 can be with dismounting and change, first spool
4 tapered structures, the top end diameter of first spool 4 are greater than the top liquid mouth of liquid inlet channel 13, allow the first spool 4 will
The top liquid mouth of liquid inlet channel 13 blocks.
Working principle: when carrying out shut-off valve installation, it will can need to install the interface pair of two groups of pipelines of shut-off valve
The both ends of quasi- bellows 1 then rotate bellows 1, so that the two groups of pipelines in left and right to be screw-coupled to the left end side wall of bellows 1 respectively
It, when needing to throttle to the medium in pipeline, can be rotated with the inner cavity of liquid outlet 12 to realize the installation to the shut-off valve
Regulation handle 8 to be spirally connected downwards with ovable valve stem 3, while driving the first spool 4 and the second spool 5 to move downward, so that first
The top liquid mouth of liquid inlet channel 13 is blocked in the bottom end of spool 4, and the second spool 5 blocks the left end liquid mouth of tapping channel 15, from
And the throttling or so to medium is played, and when one group of spool damages in the first spool 4 and the second spool 5, another group of spool
Also the throttling or so to medium can be played, current shut-off valve is avoided and is provided only with one group of spool mostly, to cause shut-off valve
The shorter problem of service life, can be reversed rotation regulation handle 8 when needing to open valve, to drive the first spool 4
It is moved upwards with the second spool 5, to stop the obstruction to liquid inlet channel 13 and tapping channel 15, so that medium passes through the first liquid chamber 14
The inner cavity of tapping channel 15 is flowed into the second liquid chamber 21.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of sealing external thread stop valve, including bellows (1), it is characterised in that: the left and right ends of the bellows (1) point
It does not offer and is integrally formed inlet (11) and liquid outlet (12), the opposite side difference of the inlet (11) and liquid outlet (12)
It is equipped with equipped with integrally formed liquid inlet channel (13) and tapping channel (15), at the lumen centers of the bellows (1) integrally formed
The top liquid mouth of first liquid chamber (14), the liquid inlet channel (13) is connected with the first liquid chamber (14), the top of the bellows (1)
It is fixedly connected with valve pipe (2), the inner cavity of the valve pipe (2) is arranged with valve rod (3), and the bottom end of the valve rod (3) is fixedly connected with
The first spool (4) compatible with liquid inlet channel (13) top liquid mouth, first spool (4) are set to the interior of the first liquid chamber (14)
Chamber, the bottom end inner cavity of the valve pipe (2) offer integrally formed second liquid chamber (21), the left end liquid mouth of the tapping channel (15)
It is connected with the second liquid chamber (21), first liquid chamber (14) is connected with the second liquid chamber (21), second liquid chamber (21)
Inner cavity is equipped with matched the second spool (5), and the second spool (5) is adapted with the left end liquid mouth of tapping channel (15), institute
It states the second spool (5) to be fixedly connected with valve rod (3), the top of second liquid chamber (21) is equipped with integrally formed stop collar
(22), the top of the valve pipe (2) is fixedly connected with fixture nut (6), and the valve rod (3) is threadedly coupled with fixture nut (6),
The top of the valve rod (3) is equipped with integrally formed adjusting rod (7), and the top of the adjusting rod (7) is fixedly installed with adjusting handle
Hand (8).
2. a kind of sealing external thread stop valve according to claim 1, it is characterised in that: the left side of the bellows (1)
Even tube wall is equipped with integrally formed external screw thread, and the intracavity sidewall of the liquid outlet (12) is evenly distributed with integrally formed anti-spiral shell
Line.
3. a kind of sealing external thread stop valve according to claim 1, it is characterised in that: the bottom of the regulation handle (8)
End offers mounting groove (81) compatible with adjusting rod (7) top, and the top of the adjusting rod (7) is equipped with integrally formed spiral shell
The inner cavity in hole (71), the regulation handle (8) is equipped with screw hole (71) compatible fixing bolt (9).
4. a kind of sealing external thread stop valve according to claim 1, it is characterised in that: first spool (4) is in cone
Shape structure, the top end diameter of first spool (4) are greater than the top liquid mouth of liquid inlet channel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821605476.8U CN209026222U (en) | 2018-09-30 | 2018-09-30 | A kind of sealing external thread stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821605476.8U CN209026222U (en) | 2018-09-30 | 2018-09-30 | A kind of sealing external thread stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209026222U true CN209026222U (en) | 2019-06-25 |
Family
ID=66905284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821605476.8U Expired - Fee Related CN209026222U (en) | 2018-09-30 | 2018-09-30 | A kind of sealing external thread stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209026222U (en) |
-
2018
- 2018-09-30 CN CN201821605476.8U patent/CN209026222U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6446468B2 (en) | Electronic expansion valve | |
| KR101365228B1 (en) | Accumulate pressure adjustable corn valve as well as flow | |
| CN105179721A (en) | Tandem conical surface valve | |
| CN209026222U (en) | A kind of sealing external thread stop valve | |
| CN103141363A (en) | Preset pressure-adjustable capillary pressure adjuster | |
| CN202834255U (en) | Flow control valve | |
| CN207961624U (en) | T-type three-way ball valve | |
| CN109973671A (en) | The accurate flow control valve of primary and secondary valve core type | |
| CN202629156U (en) | Valve rod of ball valve for pipeline | |
| CN206943500U (en) | A kind of Three-way butterfly valve | |
| CN106051173B (en) | High-pressure air operated valve | |
| CN107061809B (en) | Explosion-proof valve capable of rotating by 360 degrees | |
| CN109114234A (en) | A kind of anti-blocking regulating valve | |
| CN207961623U (en) | L-type three-way ball valve | |
| CN102829222A (en) | Pressure-difference-variable flow control valve | |
| CN209309425U (en) | A kind of ball valve being precisely controlled flow | |
| CN207421370U (en) | Gate valve structure and fluid cut-off device | |
| CN107035888B (en) | Three-way sleeve regulating valve | |
| CN207018586U (en) | A kind of pipe fitting for controlling water (flow) direction | |
| CN209012454U (en) | A kind of hand flow regulating valve | |
| CN110319266A (en) | Floating ball core pipe valve | |
| CN106499842B (en) | The automatic fluid change-over valve of pressure difference control | |
| CN204784824U (en) | Linear regulated flow ball valve | |
| CN206017753U (en) | A kind of reinforced gate valve | |
| CN106763835B (en) | Electric expansion valve and its valve component, valve seat core |
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: 20190625 Termination date: 20210930 |