CN204805617U - Take cleaning function's high pressure switching -over valve - Google Patents
Take cleaning function's high pressure switching -over valve Download PDFInfo
- Publication number
- CN204805617U CN204805617U CN201520386279.1U CN201520386279U CN204805617U CN 204805617 U CN204805617 U CN 204805617U CN 201520386279 U CN201520386279 U CN 201520386279U CN 204805617 U CN204805617 U CN 204805617U
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- supporting sleeve
- port
- cylinder
- hollow cavity
- piston
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Abstract
The utility model discloses a take cleaning function's high pressure switching -over valve, support cover, setting including having well cavity are in the case and the setting of cavity intracavity are in support two cylinder unit at cover both ends, cylinder unit links to each other with the support cover is sealed, the support sheathe in seted up with play jiao kou, income jiaokou and first port that well cavity is linked together, the fixed installation piece that is provided with on the lateral wall of support cover, the second port that is linked together with the pipeline is offered to the inside pipeline that is linked together with well cavity that is provided with of installation piece on the lateral wall of installation piece, the support is sheathe in and has been seted up two washing mouths, case activity sets up at the cavity intracavity, and one section at the middle part of case is thin neck, the fixed hard sealing layer that is provided with two keep (shenglvehao)at a certain distance awaies on the partial lateral surface of thin neck. The utility model has the characteristics of simple structure, switching -over are moved reliable and stablely and can be washd, be difficult to cause the jam to its inside.
Description
Technical field:
The utility model relates to injection machine technical field, specifically relates to a kind of high-pressure reversing valve with washing function.
Background technique:
Selector valve realizes the communication of liquid, cut-out and commutation, and the valve that discharge degree and sequentially-operating control.In liquid silica gel material injection, selector valve is mainly used on ratio metering cylinder, flow into and flow out and flow to state to meet liquid silica gel needed for metering cylinder, because the viscosity of liquid silica gel is higher, the pressure of selector valve inside is larger, selector valve ubiquity complex structure on existing metering cylinder, the problem of commutation action instability.
In addition, existing selector valve does not generally arrange washing unit, and when for high viscosity liquid, such as liquid silica gel uses on metering cylinder for it, selector valve uses its inside in the near future just easily to be blocked by liquid silica gel, affects the use of selector valve.
Model utility content:
The purpose of this utility model is intended to solve prior art Problems existing, provides that a kind of structure is simple, commutation having stable behavior is reliable and can clean, be not easy the high-pressure reversing valve of the band washing function resulted in blockage to its inside.
The utility model relates to a kind of high-pressure reversing valve with washing function, comprise the supporting sleeve with hollow cavity and the spool be arranged in described hollow cavity, also comprise two piston-cylinder units being arranged on described supporting sleeve two ends, described piston-cylinder unit seals with supporting sleeve and is connected;
Described supporting sleeve offers be connected with described hollow cavity gum exudation mouth, enter Jiao Kou and the first port, described gum exudation mouth with enter the same side that Jiao Kou is positioned at supporting sleeve, described first port is arranged on gum exudation mouth and the relative side entering Jiao Kou;
The outer side wall of described supporting sleeve is fixedly installed a mounting blocks, described mounting blocks inside is provided with the pipeline be connected with hollow cavity, enter the side of Jiao Kou described in the port that described pipeline is communicated with hollow cavity is arranged on, the outer side wall of mounting blocks offers the second port be connected with pipeline;
Described supporting sleeve offers two Butterworth Hatchs, described Butterworth Hatch connects water pump;
Described spool is movably arranged in hollow cavity, one section, the middle part of spool is thin neck, the portions of lateral side of described thin neck is fixedly installed two hard sealing layers kept at a certain distance away, one end of described hard sealing layer seal with the outer side surface of thin neck connect, the other end seals with the inner ring of supporting sleeve and connects.
Preferred as such scheme, the two ends of described supporting sleeve are fixedly installed supporting sleeve end cap, the middle part of described supporting sleeve end cap offers and is communicated with described hollow cavity and the first through hole coaxially arranged with hollow cavity, supporting sleeve is also provided with leakage peep hole, and described leakage peep hole is connected with the first through hole.
Preferred as such scheme, described piston-cylinder unit is symmetricly set on the two ends of supporting sleeve, it comprises the cylinder end piece be fixedly installed on described supporting sleeve end cap, the cylinder body be connected is sealed with described cylinder end piece, be arranged on the piston enclosed by described cylinder body and cylinder end piece in the space that formed, the piston rod be connected with described piston, cylinder end piece is provided with second through hole corresponding with the first through hole on supporting sleeve end cap, cylinder body is provided with suction port away from an end face of cylinder end piece, one end and the piston of described piston rod are connected, the other end extends in the first through hole of supporting sleeve end cap through the second through hole of cylinder end piece.
Preferred as such scheme, described cylinder end piece is provided with silencing apparatus, and the space that one end and described cylinder body and the described cylinder end piece of described silencing apparatus enclose formation is connected.
Preferred as such scheme, described first port was fixedly installed blob of viscose, and described blob of viscose of crossing is fixedly installed on the outer surface of described supporting sleeve by locking block.
Preferred as such scheme, described two Butterworth Hatchs and the first port are at the homonymy of supporting sleeve and two Butterworth Hatchs are separately positioned on the left and right sides of the first port.
Preferred as such scheme, the sidewall at described second port place and described gum exudation mouth and described enter Jiao Kou place sidewall in the same way.
Preferred as such scheme, described hard sealing layer is made up of pottery and is annular.
By such scheme, the utility model at least has the following advantages: the utility model promotes moving around of spool by cylinder piston rod, utilize the seal action of the hard sealing layer on the thin neck of spool to change the import and export of liquid silica gel, structure is simple, and commutation having stable behavior is reliable; By offering the Butterworth Hatch be connected with water pump on supporting sleeve, in Butterworth Hatch water flowing can to the gum exudation mouth on supporting sleeve, to enter in Jiao Kou, the first port, the second port and mounting blocks pipeline-cleaning clean, avoid clogging.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing illustrates:
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is perspective view of the present utility model;
Fig. 2 is the structural representation in side-looking direction of the present utility model;
Fig. 3 is the structural representation in A-A direction in Fig. 2;
Fig. 4 is the structural representation in B-B direction in Fig. 2;
Fig. 5 is the structural representation that the utility model is arranged on metering cylinder;
Fig. 6 is the structural representation of metering cylinder in Fig. 5;
Fig. 7 is the position view of hard seal ring before using;
Fig. 8 is the position view of hard seal ring after left hand cylinder air inlet;
Fig. 9 is the position view of hard seal ring after right cylinder air inlet.
Embodiment:
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
See Fig. 1 to Fig. 4, a kind of high-pressure reversing valve with washing function described in the utility model is put, comprise the supporting sleeve 10 with hollow cavity 11 and the spool 20 be arranged in described hollow cavity 11, also comprise two piston-cylinder units 30 being arranged on described supporting sleeve 10 two ends, described piston-cylinder unit 30 seals with supporting sleeve 10 and is connected;
Described supporting sleeve 10 offers be connected with described hollow cavity gum exudation mouth 12, enter glue mouth 13 and the first port 14, described gum exudation mouth 12 with enter the same side that glue mouth 13 is positioned at supporting sleeve 10, described first port 14 is arranged on gum exudation mouth 12 and the relative side entering glue mouth 13;
The outer side wall of described supporting sleeve 10 is fixedly installed a mounting blocks 40, described mounting blocks 40 inside is provided with the pipeline (not shown) be connected with hollow cavity, enter the side of glue mouth 13 described in the port 41 that described pipeline is communicated with hollow cavity 11 is arranged on, the outer side wall of mounting blocks 40 offers the second port 42 be connected with pipeline;
In the utility model, described first port 14 and the second port 42 both can be that glue-extruding end mouth also can for entering glue port;
Described supporting sleeve 10 offers two Butterworth Hatchs 15, described Butterworth Hatch 15 connects water tank (not shown) and water pump (not shown);
Described spool 20 is movably arranged in hollow cavity 11, one section, the middle part of spool 20 is thin neck 21, the portions of lateral side of described thin neck 21 is fixedly installed two hard sealing layers 50 kept at a certain distance away, one end of described hard sealing layer 50 seal with the outer side surface of thin neck 21 connect, the other end seals with the inner ring of supporting sleeve 10 and connects.
Further, the two ends of described supporting sleeve 10 are fixedly installed supporting sleeve end cap 60, the middle part of described supporting sleeve end cap 60 offers and is communicated with described hollow cavity 11 and first through hole (not shown) that arrange coaxial with hollow cavity 11, supporting sleeve 10 is also provided with and reveals peep hole 16, described leakage peep hole 16 is connected with the first through hole, revealing peep hole 16 for checking the leakage of liquid silica gel, avoiding waste.
Further, described piston-cylinder unit 30 is symmetricly set on the two ends of supporting sleeve 10, it comprises the cylinder end piece 31 be fixedly installed on described supporting sleeve end cap 60, the cylinder body 32 be connected is sealed with described cylinder end piece 31, be arranged on the piston 33 enclosed by described cylinder body 32 and cylinder end piece 31 in the space that formed, the piston rod 34 be connected with described piston 33, cylinder end piece 31 is provided with second through hole (not shown) corresponding with the first through hole on supporting sleeve end cap 60, cylinder body 32 is provided with suction port 35 away from an end face of cylinder end piece 31, one end and the piston 33 of described piston rod 34 are connected, the other end extends in the first through hole of supporting sleeve end cap 60 through the second through hole of cylinder end piece 31.
Further, described cylinder end piece 31 is provided with silencing apparatus 70, the space that one end and described cylinder body 32 and the described cylinder end piece 31 of described silencing apparatus 70 enclose formation is connected, and the noise interference to external world during cylinder action is avoided in the setting of silencing apparatus 70.
Further, described first port 14 was fixedly installed blob of viscose 17, described 17 pieces, glue of crossing is fixedly installed on by locking block 171 on the outer surface of described supporting sleeve 10, and liquid silica gel passed through blob of viscose 17 and flows on the first port 14 or flow out.
Further, described two Butterworth Hatchs 15 and the first port 14 are at the homonymy of supporting sleeve 10 and two Butterworth Hatchs 15 are separately positioned on the left and right sides of the first port 14.
Further, the sidewall at described second port 42 place and described gum exudation mouth 12 and described enter glue mouth 13 place sidewall in the same way.
Further, described hard sealing layer 50 is made up of pottery and is annular, the coefficient expanded with heat and contract with cold due to pottery is very little, coordinate very tight, instead of general seal ring, between seal ring and the surface of contact of parts, have very small gap, and this small gap exactly bacterium very easily survive, the place of not easy cleaning, thus cause bacterium amount reproduction, affect conforming product rate.
In the present embodiment, be provided with guide copper sleeve 80 and rubber seal 81 between the two ends of described supporting sleeve 10 and the surface of contact of described spool 20, described mistake between blob of viscose 17 and the surface of contact of described supporting sleeve 10 is provided with O RunddichtringO (not shown); Be provided with described guide copper sleeve 80 and rubber seal 81 between described cylinder end piece 31 and the surface of contact of described piston rod 34, between described cylinder piston 33 and the surface of contact of described cylinder body 32, be provided with rubber seal 81.
Working principle of the present utility model is: see Fig. 5, Fig. 6, first selector valve of the present utility model is arranged on metering cylinder 90, described metering cylinder 90 is provided with the 3rd port 91 and the 4th port 92, described 3rd port 91 is connected with the second port 42 by flexible pipe, and described 4th port 92 is connected with the blob of viscose 17 of crossing on the first port.
See Fig. 7, before using, the hard sealing layer 51 in left side gets lodged on the port of the first port 14, and the hard sealing layer in right side 52 to be between port 41 that glue mouth 13 is communicated with the second port 42 pipeline and hollow cavity 11 and will to enter glue mouth 13 and described line ports 41 separates.
See Fig. 8, in Fig. 8, the direction of arrow is the movement direction of spool, during use, first to cylinder 30 air inlet in left side, concrete, by the suction port 35 on cylinder body 32 to cylinder body 32 air inlet, promote cylinder piston 33 to move right, cylinder piston 33 drives again piston rod 34 to move right, the band movable valve plug 20 that moves to right of piston rod 34 move to right make the hard sealing layer 51 in left side leave the first port 14 and be in gum exudation mouth 12 and cross between blob of viscose 17 by gum exudation mouth 12 with cross blob of viscose 17 and separate, and the hard sealing layer 52 in right side is still between glue mouth 13 and line ports 41, now, enter glue mouth 13 to be communicated with the blob of viscose 17 of crossing of the first port 14, described blob of viscose 17 of crossing is connected with the 4th port 92 again, namely enter glue mouth 13 to be communicated with the 4th port 92 of metering cylinder, by entering the chamber feeding of glue mouth 13 to the 4th port 92 place.At this moment, right side Butterworth Hatch 152 is between two hard sealing layers 50, and after feeding terminates, Butterworth Hatch 52 passes into clear water and starts water pump and can clean entering glue mouth 13 and crossing blob of viscose 17 to the right.
See Fig. 9, in Fig. 9, the direction of arrow is the movement direction of spool, cylinder 30 air inlet to the right, promote spool 20 by piston rod 34 to move to the left thus the import and export position changing glue, now, the hard sealing layer 51 in left side was in blob of viscose 17 and entered between glue mouth 13 and separated crossing blob of viscose 17 and entering glue mouth 13, and be connected crossing blob of viscose 17 with gum exudation mouth 12, and the right side that the hard sealing layer 52 in right side is in line ports 41 will enter glue mouth 13 with line ports 41 is communicated with, namely enter glue mouth 13 to be communicated with the second port 42, and the second port 42 is communicated with the 3rd port 91, namely enter glue mouth 13 to be communicated with the 3rd port 91 of metering cylinder 90, by entering the chamber feeding of glue mouth 13 to the 3rd port 91 place, at this moment, glue in the chamber at described 4th port 92 place is by the 4th port 92 and discharge to gum exudation mouth 12 after crossing blob of viscose 17.At this moment, left side Butterworth Hatch 151 is communicated with mistake blob of viscose 17 with gum exudation mouth 12, and after feeding discharging terminates, Butterworth Hatch 151 passes into clear water and starts water pump and can clean gum exudation mouth 12 and mistake blob of viscose 17 to the left; Right side Butterworth Hatch 152 with enter glue mouth 13 and be connected with line ports 41, Butterworth Hatch 152 passes into clear water and starts water pump and can clean entering glue mouth 13 and the second port 42 and pipeline to the right.
In sum, the utility model promotes moving around of spool 20 by cylinder piston rod 34, and utilize the seal action of the hard sealing layer 50 on the thin neck 21 of spool 20 to change the import and export of liquid silica gel, structure is simple, and commutation having stable behavior is reliable; By offering the Butterworth Hatch 15 be connected with water pump on supporting sleeve 10, in Butterworth Hatch 15 water flowing can to the gum exudation mouth 12 on supporting sleeve 10, to enter in glue mouth 13, first port 14, second port 42 and mounting blocks 40 pipeline-cleaning clean, avoid clogging.
A kind of high-pressure reversing valve with washing function provided by the utility model; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within the utility model protection domain.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (8)
1. the high-pressure reversing valve with washing function, comprises the supporting sleeve (10) with hollow cavity (11) and the spool (20) be arranged in described hollow cavity (11), it is characterized in that:
Also comprise two piston-cylinder units (30) being arranged on described supporting sleeve (10) two ends, described piston-cylinder unit (30) seals with supporting sleeve (10) and is connected;
Described supporting sleeve (10) offers be connected with described hollow cavity (11) gum exudation mouth (12), enter Jiao Kou (13) and the first port (14), described gum exudation mouth (12) with enter the same side that Jiao Kou (13) is positioned at supporting sleeve (10), described first port (14) is arranged on gum exudation mouth (12) and the relative side entering Jiao Kou (13);
The outer side wall of described supporting sleeve (10) is fixedly installed a mounting blocks (40), described mounting blocks (40) inside is provided with the pipeline be connected with hollow cavity (11), enter the side of Jiao Kou (13) described in the port (41) that described pipeline is communicated with hollow cavity (11) is arranged on, the outer side wall of mounting blocks (40) offers the second port (42) be connected with pipeline;
Described supporting sleeve (10) offers two Butterworth Hatchs (15), described Butterworth Hatch (15) connects water pump;
Described spool (20) is movably arranged in hollow cavity (11), one section, the middle part of spool (20) is thin neck (21), the portions of lateral side of described thin neck (21) is fixedly installed two hard sealing layers (50) kept at a certain distance away, one end of described hard sealing layer (50) seal with the outer side surface of thin neck (21) connect, the other end seals with the inner ring of supporting sleeve (10) and connects.
2. a kind of high-pressure reversing valve with washing function according to claim 1, it is characterized in that: the two ends of described supporting sleeve (10) are fixedly installed supporting sleeve end cap (60), the middle part of described supporting sleeve end cap (60) offers and is communicated with described hollow cavity (11) and first through hole that arrange coaxial with hollow cavity (11), supporting sleeve (10) is also provided with and reveals peep hole (16), described leakage peep hole (16) is connected with the first through hole.
3. a kind of high-pressure reversing valve with washing function according to claim 2, it is characterized in that: described piston-cylinder unit (30) is symmetricly set on the two ends of supporting sleeve (10), it comprises the cylinder end piece (31) be fixedly installed on described supporting sleeve end cap (60), the cylinder body (32) be connected is sealed with described cylinder end piece (31), be arranged on the piston (33) enclosed by described cylinder body (32) and cylinder end piece (31) in the space that formed, the piston rod (34) be connected with described piston (33), cylinder end piece (31) is provided with second through hole corresponding with the first through hole on supporting sleeve end cap (60), the end face of cylinder body (32) away from cylinder end piece (31) is provided with suction port (35), one end and the piston (33) of described piston rod (34) are connected, the other end extends in the first through hole of supporting sleeve end cap (60) through the second through hole of cylinder end piece (31).
4. a kind of high-pressure reversing valve with washing function according to claim 3, it is characterized in that: described cylinder end piece (31) is provided with silencing apparatus (70), the space that one end and described cylinder body (32) and the described cylinder end piece (31) of described silencing apparatus (70) enclose formation is connected.
5. a kind of high-pressure reversing valve with washing function according to claim 1, it is characterized in that: described first port was fixedly installed blob of viscose (17), described blob of viscose (17) of crossing is fixedly installed on the outer surface of described supporting sleeve (10) by locking block (171).
6. a kind of high-pressure reversing valve with washing function according to claim 1, is characterized in that: described two Butterworth Hatchs (15) and the first port (14) are at the homonymy of supporting sleeve (10) and two Butterworth Hatchs (15) are separately positioned on the left and right sides of the first port (14).
7. a kind of high-pressure reversing valve with washing function according to claim 1, is characterized in that: the sidewall at described second port (42) place and described gum exudation mouth (12) and described enter Jiao Kou (13) place sidewall in the same way.
8. a kind of high-pressure reversing valve with washing function according to claim 1, is characterized in that: described hard sealing layer (50) is made up of pottery and is annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520386279.1U CN204805617U (en) | 2015-06-08 | 2015-06-08 | Take cleaning function's high pressure switching -over valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520386279.1U CN204805617U (en) | 2015-06-08 | 2015-06-08 | Take cleaning function's high pressure switching -over valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204805617U true CN204805617U (en) | 2015-11-25 |
Family
ID=54590445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520386279.1U Expired - Fee Related CN204805617U (en) | 2015-06-08 | 2015-06-08 | Take cleaning function's high pressure switching -over valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204805617U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042113A (en) * | 2015-06-08 | 2015-11-11 | 苏州珍展科技材料有限公司 | High-pressure reversing valve with washing function |
-
2015
- 2015-06-08 CN CN201520386279.1U patent/CN204805617U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042113A (en) * | 2015-06-08 | 2015-11-11 | 苏州珍展科技材料有限公司 | High-pressure reversing valve with washing function |
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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: 20151125 Termination date: 20160608 |