CN206738631U - A kind of multichannel commutation sampling valve - Google Patents
A kind of multichannel commutation sampling valve Download PDFInfo
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- CN206738631U CN206738631U CN201720401078.3U CN201720401078U CN206738631U CN 206738631 U CN206738631 U CN 206738631U CN 201720401078 U CN201720401078 U CN 201720401078U CN 206738631 U CN206738631 U CN 206738631U
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- valve body
- valve
- rotary shaft
- rotor
- commutation
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Abstract
The utility model proposes a kind of multichannel commutation sampling valve, including valve body, valve element, correcting mechanism；The valve body includes valve body stator, valve block；The valve element includes top-down valve body rotor, rotor case, rotary shaft；The correcting mechanism includes spheroid；The first hemispherical-shaped aperture is provided among the rotor case lower end, is provided with the second hemispherical-shaped aperture among the rotary shaft circular hole bottom, the spheroid is between housing and the hemispherical-shaped aperture of rotary shaft；The utility model is using the good sphere installation of rollability between rotor case and rotary shaft, rotor case is held on the rotating shaft to freely swing, valve body stator and valve element rotor is set to find close centre fitting accurately automatically, ensure the air-tightness of product, reduce frictional force, improve the service life of product.
Description
Technical field
The utility model belongs to fluid applications, particularly a kind of multichannel commutation sampling valve.
Background technology
Reversal valve is the directional control valve with two or more liquid forms or two or more head piece, is the ditch for realizing liquid
Logical, cut-out and commutation, and discharge degree and the valve of sequentially-operating control；Reversal valve has extensive for control fluid on-off
Application.
Existing reversal valve, during long-term use, or in process originally, due to part abrasion or
The influence of machining accuracy, the contact surface between valve element rotor and valve body stator are difficult to keep smooth, so as to influence the airtight of product
Property and service life；Chinese patent CN204852471U is provided with the raised universal adjustment pad pair of circular arc using a kind of bottom center
Be adjusted between valve body stator and valve element rotor on valve core case, this arc structure easily tilts so that installation requirement compared with
Height, and abrasion of the circular arc projection during long-term use also results in and loses adjustment effect；Moreover, on above-mentioned valve body stator
Commutation mouthpiece is obliquely installed, and the angle of inclination of commutation interface and valve body stator shaft orientation also brings difficulty to processing, is increased
Cost.
The content of the invention
The technical problem that the utility model solves is that valve element rotor and valve body stator can be automatically adjusted by providing one kind
Contact surface, be difficult to keep smooth to ask to solve valve body stator and valve element the rotor contact surface in long-term use in the prior art
Topic, while setting of the utility model by radial direction commutation interface and commonly connected groove is done, it is easy to the processing of commutation interface.
The technical solution for realizing the utility model purpose is：
A kind of multichannel commutation sampling valve, including valve body, valve element, correcting mechanism；The valve body includes valve body stator, valve body
Seat；The valve element includes top-down valve body rotor, rotor case, rotary shaft；The correcting mechanism includes spheroid；
Be provided with the first hemispherical-shaped aperture among the rotor case lower end, provided with the second half among the rotary shaft circular hole upper end
Spherical pore, the spheroid is between housing and the hemispherical-shaped aperture of rotary shaft.
The utility model compared with prior art, its remarkable advantage：
(1) automatic correction：The utility model between rotor case and rotary shaft, is made using the good sphere installation of rollability
Obtain rotor case and can hold on the rotating shaft and freely swing so that valve element rotor center is directed at rotation axis center all the time, automatic real
Existing valve element rotor to positive correction；And under the further effect of elastic component, valve body stator and valve element rotor is set to find accurately automatically
Close centre is bonded, and is ensured the air-tightness of product, is reduced frictional force, improves the service life of product.
(2) it is easy to repair：For example with the spheroid of steel ball, maintenance is conveniently replaceable, cost is low.
(3) processing is simple：One commonly connected groove is set on valve element rotor of the present utility model, and commutation mouthpiece is arranged on
Radially, when valve element rotor rotates, commutation mouthpiece is connected the circumference of valve body stator with the commonly connected groove of valve element rotor respectively,
Processing is simple.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is configuration schematic diagram of the present utility model.
Fig. 2 is valve body stator, rotor, the sectional view of rotary shaft.
Embodiment
In order to illustrate the technical solution of the utility model and technical purpose, below in conjunction with the accompanying drawings and specific embodiment is to this reality
It is described further with new.
Such as Fig. 1-2, a kind of multichannel commutation sampling valve of the present utility model, including valve body, valve element, correcting mechanism；It is described
Valve body includes valve body stator 1, valve block 8；The valve element includes top-down valve body rotor 2, rotor case 3, rotary shaft 5；
The correcting mechanism includes spheroid 4, elastic structure 6, thrust ball bearing with flat seat 7；
The valve body stator 1 is arranged on the top of valve block 8；The valve element is arranged on valve inner, the valve body rotor 2
Lower end is provided with rotor case 3, and the rotor case 3 is small top and big bottom stepped cylindrical structure, and the lower end of rotor case 3 is installed
In the circular hole of the upper end of rotary shaft 5；The lower end cylindrical structure intermediate radial both sides of rotor case 3 are respectively equipped with bearing pin, described
The upper end radially opposite sides of rotary shaft 5 are respectively equipped with neck 52, and two bearing pins of rotor case 3 are respectively clamped into two cards of rotary shaft 5
In groove 52；
The rotary shaft 5 is small top and big bottom stepped ramp type cylindrical structure, and a step surface is formed among upper and lower cylinder；
In the drive shaft of the lower end of the rotary shaft 5 installation external drive mechanism；Elastic structure 6 and thrust ball bearing with flat seat 7 are from up to
Under be installed on successively between the step surface of rotary shaft 5 and the bottom of valve block 8；And the thrust ball bearing with flat seat 7 of elastic structure 6 is equal
On the cylinder of the lower end of rotary shaft 5；
Preferably, the elastic structure 6 is butterfly spring, and during installation, valve block 8 is fixed on the shell of external drive structure
On body, butterfly spring and thrust ball bearing with flat seat 7 are located between the step surface of rotary shaft 5 and the bottom of valve block 8, butterfly spring
In compressive state；The external diameter of butterfly spring and thrust ball bearing with flat seat 7 is more than the Circularhole diameter of the bottom of valve block 8；In plane
Under the supporting role of thrust ball bearing 7, butterfly spring produces upwards thrust, makes valve element rotor 2 and valve body stator 1 close patch all the time
Close.
In some embodiments, elastic structure 6 can also be other kinds of spring or elastic caoutchouc.
Be provided with the first hemispherical-shaped aperture 31 among the lower end of rotor case 3, provided with the among the circular hole bottom of rotary shaft 5
Two hemispherical-shaped apertures 51, the diameter of spheroid 4 is more than the height that the first hemispherical-shaped aperture 31 is directly bonded with the second hemispherical-shaped aperture 52, described
Spheroid 4 is located between housing 3 and the hemispherical-shaped aperture of rotary shaft 5；During installation, spheroid 4 is first in the hemispherical-shaped aperture of rotary shaft 5
51, housing 3 is arranged on the circular hole of rotary shaft 5 again, and two bearing pins of rotor case 3 are respectively clamped into two necks of rotary shaft 5；
In the presence of butterfly spring so that rotor case 3 can freely swing in the upper end of rotary shaft 5, realize valve element rotor automatically
To positive correction, valve body stator 1 and valve element rotor 2 is found close centre fitting accurately automatically, ensure the air-tightness of product, reduce friction
Power, improve the service life of product.
Preferably, the spheroid 4 is steel ball, is conveniently replaceable maintenance.
Further, common interface pipe 12 is provided among the upper end of valve body stator 1, the circumference of valve body stator 1 is provided with and changed
To mouthpiece 11, commutation mouthpiece 11 is 90 degree of bend pipes, and one end is oriented the radial direction of valve body stator 1, and the other end is directed parallel to
Valve body stator 1 is axially downwardly；The upper end of the valve body rotor 2 is provided with commonly connected groove 21；Described one end of commonly connected groove 21
Positioned at the center of valve body rotor 2, it is connected all the time with the common interface pipe 12 of valve body stator 1；The other end of commonly connected groove 21 leads to
The rotation for crossing rotor case 3 is connected from different commutation mouthpieces 12；Commonly connected groove 21 is driven by the rotation of valve element rotor 2
Rotation, so as to realize that commonly connected mouth pipe 12 and the selection of different commutation mouthpieces 11 turn on.And the setting of commutation mouthpiece 11
It is easy to process.
During work, rotary shaft 5 is in the presence of outside drive mechanism, the rotation of rotating band movable valve plug rotor 3, further band
The rotation of commonly connected groove 21 is moved, so as to realize that commonly connected mouth pipe 12 and the selection of different commutation mouthpieces 11 turn on.Pass through
The effect of spheroid 4, valve body stator 1 and valve element rotor 3 find cent(e)ring accurately automatically by spheroid 4；Entering in butterfly spring 7 simultaneously
Under the effect of one step, valve body stator 1 and valve element rotor 3 find close centre fitting accurately automatically, ensure the air-tightness of product, reduce friction
Power, improve the service life of product.
Although the utility model is disclosed above with preferred embodiment, so it is not limited to the utility model.This reality
With new those of ordinary skill in the art, do not departing from spirit and scope of the present utility model, it is each when that can make
The change and retouching of kind.Therefore, the scope of protection of the utility model is worked as and is defined depending on those as defined in claim.
Claims (6)
- The sampling valve 1. a kind of multichannel commutates, including valve body, valve element, correcting mechanism；The valve body includes valve body stator (1), valve Housing (8)；The valve element includes top-down valve body rotor (2), rotor case (3), rotary shaft (5)；Characterized in that, institute Stating correcting mechanism includes spheroid (4)；The first hemispherical-shaped aperture (31) is provided among rotor case (3) lower end, is provided among rotary shaft (5) the circular hole bottom Second hemispherical-shaped aperture (51), the spheroid (4) are located between the hemispherical-shaped aperture of rotor case (3) and rotary shaft (5).
- 2. a kind of multichannel commutation sampling valve as claimed in claim 1, it is characterised in that the rotary shaft (5) is that upper end is big The small stepped ramp type cylindrical structure in lower end, upper and lower cylinder centre form a step surface；Rotary shaft (5) the lower end installation is outside to drive In the drive shaft of motivation structure；Elastic structure (6) and thrust ball bearing with flat seat (7) are located at the step surface and valve body of rotary shaft (5) Between seat (8) bottom；And elastic structure (6) and thrust ball bearing with flat seat (7) are installed in the cylinder of rotary shaft (5) lower end On.
- 3. a kind of multichannel commutation sampling valve as claimed in claim 2, it is characterised in that the elastic structure (6) is bullet Spring or elastic caoutchouc.
- 4. a kind of multichannel commutation sampling valve as claimed in claim 2 or claim 3, it is characterised in that the elastic structure (6) is Butterfly spring.
- 5. a kind of multichannel commutation sampling valve as claimed in claim 1, it is characterised in that in valve body stator (1) upper end Between be provided with common interface pipe (12), valve body stator (1) circumference is provided with commutation mouthpiece (11), the valve body rotor (2) it is upper End is provided with commonly connected groove (21)；Described commonly connected groove (21) one end is located at the center of valve body rotor (2), with valve body stator (1) common interface pipe (12) is connected all the time；The other end of commonly connected groove (21) passes through rotation and different commutation mouthpieces (11) it is connected.
- 6. a kind of multichannel commutation sampling valve as claimed in claim 1, it is characterised in that the spheroid (4) is steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720401078.3U CN206738631U (en) | 2017-04-17 | 2017-04-17 | A kind of multichannel commutation sampling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720401078.3U CN206738631U (en) | 2017-04-17 | 2017-04-17 | A kind of multichannel commutation sampling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738631U true CN206738631U (en) | 2017-12-12 |
Family
ID=60561225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720401078.3U Active CN206738631U (en) | 2017-04-17 | 2017-04-17 | A kind of multichannel commutation sampling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738631U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524285A (en) * | 2020-11-09 | 2021-03-19 | 李磊 | Switching valve and tissue dehydrator containing same |
| CN113048264A (en) * | 2021-03-02 | 2021-06-29 | 南京锐进流体控制技术有限公司 | Dynamic balance mechanical plane rotary valve |
-
2017
- 2017-04-17 CN CN201720401078.3U patent/CN206738631U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524285A (en) * | 2020-11-09 | 2021-03-19 | 李磊 | Switching valve and tissue dehydrator containing same |
| CN113048264A (en) * | 2021-03-02 | 2021-06-29 | 南京锐进流体控制技术有限公司 | Dynamic balance mechanical plane rotary valve |
| CN113048264B (en) * | 2021-03-02 | 2023-02-03 | 南京锐进流体控制技术有限公司 | Dynamic balance mechanical plane rotary valve |
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