CN102701131A - Filling three-way valve with elastic compensation - Google Patents
Filling three-way valve with elastic compensation Download PDFInfo
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- CN102701131A CN102701131A CN2012102068090A CN201210206809A CN102701131A CN 102701131 A CN102701131 A CN 102701131A CN 2012102068090 A CN2012102068090 A CN 2012102068090A CN 201210206809 A CN201210206809 A CN 201210206809A CN 102701131 A CN102701131 A CN 102701131A
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Abstract
The invention discloses a filling three-way valve with elastic compensation which comprises a feeding connector, three spherical valve core sealing sleeves, a discharging connector, a valve body, an air cylinder connector and a rotating valve core, wherein compensation springs are respectively arranged between the plane end of one spherical valve core sealing sleeve and the feeding connector, between another spherical valve core sealing sleeve and the discharging connector as well as between the third spherical valve core sealing sleeve and the air cylinder connector; a matching mode between two direct connectors on the valve body is clearance fit; and radial sealing members are arranged between the matched excircles of the three spherical valve core sealing sleeves and guiding holes. Return springs are additionally arranged at the plane ends of the spherical valve core sealing sleeves, so that after the spherical ends of the spherical valve core sealing sleeves are worn, the return springs can automatically compress the spherical valve core sealing sleeves to move towards the rotating valve core for automatically compensating the spherical wear extents of the spherical valve core sealing sleeves; and the spherical valve core sealing sleeves are not required to be frequently replaced in the use process, and thus the sealing performance of the three-way valve is ensured, the service life of the three-way valve is prolonged and the use cost of a filling machine is greatly reduced.
Description
[technical field]
The present invention relates to the parts of liquid-filling machine, relate in particular to the triple valve on the liquid-filling machine.
[background technology]
In the plunger-type quantitative bottle placer; It can principle is as shown in Figure 1, and it comprises liquid hopper 1, triple valve 2, can cylinder 3, piston 4 and filling bottle 5, the structure of said triple valve 2 such as Fig. 2, shown in Figure 4; Comprise charging joint 21, end-face seal ring 22, sphere core sealing shroud 23, discharging joint 24, valve body 25, cylinder joint 26, rotational valve core 27, spool major axis cover 28, spool short sleeve 29, rear side housing 30 and front end cover 31; Be provided with the inner chamber that cooperates with spool at the center of valve body 25, on upper surface, lower surface and the right flank of valve body 25, all be provided with straight hole, wherein; The straight hole that is arranged on upper surface and the lower surface is a coaxial aperture system; Axis that is arranged on the straight hole on the right flank and the axis normal that is arranged on the straight hole on upper surface and the lower surface are provided with on rotational valve core 27 and lead to hole 271 and perpendicular to the unidirectional hole 272 of through hole, and the axis that leads to hole 271 and unidirectional hole 272 is the sphere centre through rotational valve core all; The unidirectional hole 272 of rotational valve core 27 with lead to hole 271 and interlink; Rotational valve core 27 is installed in the spool chamber of valve body 25, and is installed on the valve body 25 through rear side housing 30 and front end cover 31, and charging joint 21 is installed on the upper surface of valve body 25; Discharging joint 24 is installed on the lower surface of valve body 25; Cylinder joint 26 is installed on the side of valve body 25, and sphere core sealing shroud 23 matches with the sphere of rotational valve core 27, forms hermetically-sealed construction through the elasticity extruding between the sphere of three sphere core sealing shrouds 23 and rotational valve core 27.
The principle of work of triple valve: as shown in Figure 1, the charging joint 21 of triple valve 2 interlinks with the liquid outlet in the liquid hopper 1, and the cylinder joint 26 and the can cylinder 3 of triple valve 2 interlink; The discharging joint 24 of triple valve 2 feeds in the filling bottle 5 through feed tube, and is when triple valve goes to A condition, as shown in Figure 2; Discharging joint 24 place's closed conditions of triple valve, charging this moment joint 21 is in unimpeded state with cylinder joint 26, removes piston 4 downwards; Liquid in the liquid hopper 1 is inhaled in the can cylinder 3, makes the rotational valve core 27 of triple valve 2 go to the B state through control setup then, and is as shown in Figure 3; At this moment, the charging joint 21 of triple valve 2 is in closed condition, and discharging joint 24 is in communicating state with the cylinder joint; Upwards pass piston 4, the liquid in the can cylinder 3 is pressed to annotate in the bottle 5 to be filled, realizes quantitative filling.
Because bottle placer belongs to the continuous high speed can; The operating frequency of triple valve 2 is 30 ~ 60, and rotational valve core 27 constantly produces friction between rotational valve core 27 and the sphere core sealing shroud 23 under so frequent switching motion; After the abrasion loss of sphere core sealing shroud 23 arrives certain limit; The leak tightness of triple valve 2 just can't be guaranteed, and when causing piston upwards to pass fluid injection, the part in the liquid to be filled will be extruded through the gap between sphere core sealing shroud 23 and the rotational valve core 27 and be back in the liquid hopper 1; Cause the can quantity not sufficient, directly influence the filling accuracy of bottle placer.So the service life of this triple valve is not long, must regularly change sphere core sealing shroud 23 or change triple valve 2, and use cost is very high.
[summary of the invention]
In order to overcome the above-mentioned defective that existing triple valve exists, the purpose of this invention is to provide a kind of filling three-way valve with elastic compensating, the abrasion loss that its can automatic compensation sphere core sealing shroud is guaranteed the sealing property of triple valve, the service life of improving triple valve.
A kind of filling three-way valve with elastic compensating; Comprise charging joint, sphere core sealing shroud, discharging joint, valve body, cylinder joint and rotational valve core; Be provided with the inner chamber that cooperates with spool at the center of valve body; On upper surface, lower surface and the right flank of valve body, all be provided with straight hole, rotational valve core is installed in the spool chamber of valve body, and the charging joint is installed on the upper surface of valve body; The discharging joint is installed on the side of valve body; The cylinder joint is installed on the lower surface of valve body, and three sphere core sealing shrouds are separately positioned in the straight hole on the valve body, and the sphere end of sphere core sealing shroud contacts with the sphere of rotational valve core; The flat end of sphere core sealing shroud is carried out axial limiting by charging joint, discharging joint and cylinder joint respectively; It is characterized in that: between the flat end of three sphere core sealing shrouds and charging joint, discharging joint and cylinder joint, be equipped with retracing spring, the fit system between straight-through on the valve body is a free-running fit, between the cooperation cylindrical of three sphere core sealing shrouds and pilot hole, is provided with vertex sealing bar.
Further, on the charging joint, be provided with the pilot hole and location cylindrical of mounting spherical seal spool cover and retracing spring, and pilot hole is coaxial with the location cylindrical.
Further, on the discharging joint, be provided with the pilot hole and location cylindrical of mounting spherical seal spool cover and retracing spring, and pilot hole is coaxial with the location cylindrical.
Further, on the cylinder joint, be provided with the pilot hole and location cylindrical of mounting spherical seal spool cover and retracing spring, and pilot hole is coaxial with the location cylindrical.
Further, on the location end face of charging joint, discharging joint and cylinder joint, be equipped with the pilot hole that retracing spring is installed, retracing spring is directly pushed down on the flat end of sphere seal spool cover.
Owing to all set up retracing spring in the flat end of three sphere core sealing shrouds; The sphere end that retracing spring can not only guarantee the sphere core sealing shroud all the time with the sphere inclusion of rotational valve core, and can guarantee that inclusion pressure between the two is relatively stable, thereby improve the keying sealing property and the stability of triple valve; The more important thing is after the sphere end of sphere core sealing shroud in use weares and teares; Retracing spring can be oppressed the sphere core sealing shroud automatically and moved to rotational valve core, and the sphere abrasion amount of sphere core sealing shroud is carried out automatic compensation, guarantees can form stable sealing elasticity inclusion amount between the two; Thereby guarantee the sealing property of triple valve; In use do not need frequent change sphere core sealing shroud, increased the service life of triple valve, greatly reduce the use cost of bottle placer.
[description of drawings]
Fig. 1 is the workflow diagram of triple valve;
Fig. 2 is the structural representation of existing triple valve, and charging joint and cylinder joint be in communicating state, and the discharging joint is in closed condition:
Fig. 3 is the structural representation of existing triple valve, and discharging joint and cylinder joint be in communicating state, and the charging joint is in closed condition:
Fig. 4 is the A-A cross-sectional schematic of Fig. 2;
Fig. 5 is a kind of structural representation of the present invention;
Fig. 6 is the B-B cross-sectional schematic of Fig. 5;
Fig. 7 is an another kind of structural representation of the present invention;
Fig. 8 is the structural representation of charging joint among Fig. 5;
Among the figure: 1-liquid hopper; The 2-triple valve; 3-can cylinder; The 4-piston; The 5-filling bottle; The 6-retracing spring; The 7-vertex sealing bar; The 8-pilot hole; 9-locatees cylindrical; 21-charging joint; The 22-end-face seal ring; 23-sphere core sealing shroud; 24-discharging joint; The 25-valve body; 26-cylinder joint; The 27-rotational valve core; 28-major axis cover; The 29-short sleeve; The 30-rear side housing; The 31-front end cover; 271-is logical lateral opening; The unidirectional hole of 272-.
[specific embodiment]
Below in conjunction with description of drawings specific embodiments of the present invention:
Embodiment 1: a kind of filling three-way valve with elastic compensating, and like Fig. 5, shown in Figure 6, it comprises charging joint 21, end-face seal ring 22, sphere core sealing shroud 23, discharging joint 24, valve body 25, cylinder joint 26, rotational valve core 27, spool major axis cover 28, spool short sleeve 29, rear side housing 30, front end cover 31, retracing spring 6 and vertex sealing bar 7; Be provided with the inner chamber that cooperates with spool at the center of valve body 25; On upper surface, lower surface and the right flank of valve body 25, all be provided with straight hole, wherein, the straight hole that is arranged on upper surface and the lower surface is a coaxial aperture system; Be arranged on the axis and the axis normal that is arranged on the straight hole on upper surface and the lower surface of the straight hole on the right flank; On rotational valve core 27, be provided with and lead to hole 271 and unidirectional hole 272, the axis that leads to hole 271 and unidirectional hole 272 is all through the sphere centre of rotational valve core 27, and unidirectional hole 272 is vertical each other with the axis that leads to hole 271; Unidirectional hole 272 with lead to hole 271 and interlink; Rotational valve core 27 is installed in the spool chamber of valve body 25, and an end of rotational valve core 27 is installed on the rear side housing 30 through short sleeve 29, and the other end of rotational valve core 27 is installed on the front end cover 31 through major axis cover 28; Rear side housing 30 all is installed on the valve body 25 with front end cover 31; On charging joint 21, be provided with pilot hole 8 and location cylindrical 9, and pilot hole 8 is coaxial with location cylindrical 9, charging joint 21 is installed in through location cylindrical 9 in the straight hole on the upper surface of valve body 25; Retracing spring 6 is installed in the pilot hole 8 with sphere core sealing shroud 23; And between the interior step and sphere core sealing shroud 23 of pilot hole 8, same, be equipped with pilot hole 8 and location cylindrical 9 on the discharging joint 24 with on the cylinder joint 26; And pilot hole 8 is coaxial with location cylindrical 9; Charging joint 21 is installed in the straight hole on the upper surface of valve body 25 through location cylindrical 9, and retracing spring 6 is installed in the pilot hole 8 with sphere core sealing shroud 23, and between the interior step and sphere core sealing shroud 23 of pilot hole 8; Fit system between straight-through on all sphere core sealing shrouds 23 and the valve body 25 is free-running fit, between the cooperation cylindrical of each sphere core sealing shroud 23 and pilot hole 8, is provided with vertex sealing bar 7.
Embodiment 2: as shown in Figure 7; Be the installation site of retracing spring 6 with embodiment 1 difference; On the location end face of charging joint 21, discharging joint 24 and cylinder joint 26, be equipped with the pilot hole 8 that retracing spring 6 is installed; Retracing spring 6 is directly installed in the pilot hole 8, and retracing spring 6 is directly pushed down on the flat end of sphere seal spool cover 23.
Claims (5)
1. filling three-way valve with elastic compensating; Comprise charging joint (21), sphere core sealing shroud (23), discharging joint (24), valve body (25), cylinder joint (26) and rotational valve core (27); Center at valve body (25) is provided with the inner chamber that cooperates with spool; On upper surface, lower surface and the right flank of valve body (25), all be provided with straight hole; Rotational valve core (27) is installed in the spool chamber of valve body (25); Charging joint (21) is installed on the upper surface of valve body (25); Discharging joint (24) is installed on the side of valve body (25); Cylinder joint (26) is installed on the lower surface of valve body (25), and three sphere core sealing shrouds (23) are separately positioned in the straight hole on the valve body (25), and the sphere end of sphere core sealing shroud (23) contacts with the sphere of rotational valve core (27); The flat end of sphere core sealing shroud (23) is carried out axial limiting by charging joint (21), discharging joint (24) and cylinder joint (26) respectively; It is characterized in that: between the flat end of three sphere core sealing shrouds (23) and charging joint (21), discharging joint (24) and cylinder joint (26), be equipped with retracing spring (6), the fit system between straight-through on the valve body (25) is a free-running fit, between the cooperation cylindrical of three sphere core sealing shrouds (23) and pilot hole, is provided with vertex sealing bar (7).
2. according to the filling three-way valve of the said band elastic compensating of claim 1; It is characterized in that: on charging joint (21), be provided with the pilot hole (8) and the location cylindrical (9) of mounting spherical seal spool cover (23) and retracing spring (6), and pilot hole (8) is with to locate cylindrical (9) coaxial.
3. according to the filling three-way valve of the said band elastic compensating of claim 1; It is characterized in that: on discharging joint (24), be provided with the pilot hole (8) and the location cylindrical (9) of mounting spherical seal spool cover (23) and retracing spring (6), and pilot hole (8) is with to locate cylindrical (9) coaxial.
4. according to the filling three-way valve of the said band elastic compensating of claim 1; It is characterized in that: on cylinder joint (26), be provided with the pilot hole (8) and the location cylindrical (9) of mounting spherical seal spool cover (23) and retracing spring (6), and pilot hole (8) is with to locate cylindrical (9) coaxial.
5. according to the filling three-way valve of the said band elastic compensating of claim 1; It is characterized in that: on the location end face of charging joint (21), discharging joint (24) and cylinder joint (26), be equipped with the pilot hole (8) that retracing spring (6) is installed, retracing spring (6) is directly pushed down on the flat end of sphere seal spool cover (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102068090A CN102701131A (en) | 2012-06-21 | 2012-06-21 | Filling three-way valve with elastic compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102068090A CN102701131A (en) | 2012-06-21 | 2012-06-21 | Filling three-way valve with elastic compensation |
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| CN102701131A true CN102701131A (en) | 2012-10-03 |
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| CN2012102068090A Pending CN102701131A (en) | 2012-06-21 | 2012-06-21 | Filling three-way valve with elastic compensation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235401A (en) * | 2013-06-18 | 2014-12-24 | 洛阳志振冷食机器厂 | Multi-work-position double-moving plate valve |
| CN107290154A (en) * | 2017-06-12 | 2017-10-24 | 福耀集团(福建)机械制造有限公司 | A kind of experimental rig for simulating slungshot impact |
| CN109720667A (en) * | 2019-02-22 | 2019-05-07 | 莱芜职业技术学院 | A kind of automation organic fertilizer bulking system |
| CN115944102A (en) * | 2023-01-16 | 2023-04-11 | 绍兴市食品药品检验研究院 | Production and flavoring process of nut roasted food product |
-
2012
- 2012-06-21 CN CN2012102068090A patent/CN102701131A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235401A (en) * | 2013-06-18 | 2014-12-24 | 洛阳志振冷食机器厂 | Multi-work-position double-moving plate valve |
| CN107290154A (en) * | 2017-06-12 | 2017-10-24 | 福耀集团(福建)机械制造有限公司 | A kind of experimental rig for simulating slungshot impact |
| CN107290154B (en) * | 2017-06-12 | 2019-08-02 | 福耀集团(福建)机械制造有限公司 | A kind of experimental rig of simulation slungshot impact |
| CN109720667A (en) * | 2019-02-22 | 2019-05-07 | 莱芜职业技术学院 | A kind of automation organic fertilizer bulking system |
| CN109720667B (en) * | 2019-02-22 | 2020-07-31 | 莱芜职业技术学院 | Automatic change fertilizer filling system |
| CN115944102A (en) * | 2023-01-16 | 2023-04-11 | 绍兴市食品药品检验研究院 | Production and flavoring process of nut roasted food product |
| CN115944102B (en) * | 2023-01-16 | 2024-06-04 | 绍兴市食品药品检验研究院 | Flavoring process for nut roasted seeds and nuts |
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Application publication date: 20121003 |