CN106015638A - Single air cylinder switching type air inlet and exhaust valve bank - Google Patents
Single air cylinder switching type air inlet and exhaust valve bank Download PDFInfo
- Publication number
- CN106015638A CN106015638A CN201610394548.8A CN201610394548A CN106015638A CN 106015638 A CN106015638 A CN 106015638A CN 201610394548 A CN201610394548 A CN 201610394548A CN 106015638 A CN106015638 A CN 106015638A
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- Prior art keywords
- air inlet
- chamber
- valve rod
- floss hole
- valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a single air cylinder switching type air inlet and exhaust valve bank, which comprises a valve body and a valve rod, wherein the valve body is provided with an inner cavity; the valve rod is arranged in the inner cavity; the valve rod is provided with two-way hermetic piston seals; the valve rod cooperates with the inner cavity of the valve body in a piston manner through the two-way hermetic piston seals; a main air inlet port, a cavity-A air inlet port, a cavity-B air inlet port, a cavity-A exhaust port and a cavity-B exhaust port, which are connected with the inner cavity, are also arranged in the valve body; and the air inlet and exhaust states of a cavity A and a cavity B are changed through the forward movement and the backward movement of the valve rod. A passage of an air path communicates or is cut off through actions of forwards propelling and backwards pulling back the valve rod; thus, the air inlet and exhaust switching functions of the air path can be realized; and therefore, the purpose of controlling two cavity bodies to circularly alternate air inlet and exhaust is achieved. The single air cylinder switching type air inlet and exhaust valve bank has the advantages of being simple in structure and the control of electric appliances, favorable in air tightness, small in space usage, a few in parts and components, lower in cost, and the like.
Description
Technical field
The present invention relates to compressed air process field, particularly relate to a kind of single cylinder switch type air inlet and exhaust valve group being applied in adsorption compressed air drier atmospheric control.
Background technology
General adsorption compressed air drier is dual chamber structure, and when a cavity air inlet job when, another cavity regenerates, and regeneration off gases is discharged by the drain valve of this cavity, and two cavity alternate cycles work provide clean compressed air for downstream gas circuit.In prior art, exsiccator air inlet and exhaust valve is made up of intake valve assembly and bleed valve assembly two parts, intake valve typically uses shuttle valve switch type intake valve or cylinder switch type intake valve two types, and drain valve is controlled aerofluxus by the bi-bit bi-pass normally closed solenoid valve on two cavitys respectively.
In aforesaid way, either shuttle valve switch type intake valve or cylinder switch type intake valve, it is required for being separately provided bleed valve assembly on two cavitys, the multiple shuttle valve of this needs or cylinder or electromagnetic valve have the disadvantage that as the mode of intake valve, exhaust-control valve: 1. structure is complicated, valve quantity and trouble point is many and easily reveals.2. take up room big, be not easy to install and safeguard.3. being separately provided intake valve group and drain valve group, need independent circuit control system, cause electrical control module complicated, trouble point is increased.4. parts are more, produce assembling trouble, and cost increases.
It is, therefore, desirable to provide a kind of single cylinder switch type air inlet and exhaust valve group with simple in construction and the advantage such as little that takes up room.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of single cylinder switch type air inlet and exhaust valve group, the advantage such as have structure and electrical equipment control is simple, air-tightness is good, it is little to take up room, parts are few and cost is relatively low, directly can realize the inlet and outlet handoff functionality of gas circuit by the action of valve rod.
The technical solution adopted for the present invention to solve the technical problems is:
nullA kind of single cylinder switch type air inlet and exhaust valve group，Including one, there is the valve body of inner chamber and be arranged on the valve rod of described interior intracavity，Two two way seal piston envelopes it are provided with on described valve rod，Described valve rod carries out piston with the inner chamber of valve body by two way seal piston envelope and coordinates，The primary air inlet being connected with inner chamber it is additionally provided with in described valve body、A chamber air inlet、B chamber air inlet、A chamber floss hole and B chamber floss hole，When valve rod travels forward，The gas circuit of primary air inlet with A chamber air inlet and A chamber floss hole is sealed by a two way seal piston envelope on valve rod to be cut off，B chamber air inlet is sealed by another two way seal piston envelope with B chamber floss hole to be cut off，A chamber is in emissions status，B chamber is in air-suction state，When valve rod rearward movement，The gas circuit of primary air inlet with B chamber air inlet and B chamber floss hole is sealed by a two way seal piston envelope on valve rod to be cut off，A chamber air inlet is sealed by another two way seal piston envelope with A chamber floss hole to be cut off，B chamber is in emissions status，A chamber is in air-suction state.
Further, described valve rod being provided with two two way seal piston sealing grooves, described two way seal piston envelope is arranged on two way seal piston sealing groove.
Further, described primary air inlet is connected with undried compressed air, and described A chamber air inlet and B chamber air inlet are connected with downstream gas circuit, and described A chamber floss hole and B chamber floss hole are connected with outside air.
Further, one end of described valve rod connects cylinder, and described cylinder drives stem movement to the diverse location of interior cavity wall.
Further, described valve body is provided with cylinder seal ring recess on the contact surface of cylinder, and described cylinder seal ring recess is provided with the cylinder seal circle for sealed valve body and cylinder joint face.
Further, described inner chamber, primary air inlet, A chamber air inlet, B chamber air inlet, A chamber floss hole and B chamber floss hole are shaped in valve body.
Beneficial effects of the present invention has: one list cylinder switch type air inlet and exhaust valve group of the present invention, including a valve body with inner chamber and the valve rod being provided with two way seal piston envelope, the action pushed ahead by valve rod and pull back backward, connect or cut off gas channels, the inlet and outlet handoff functionality of gas circuit is directly realized by the action of valve rod, to reach to control two cavity cycle alternation air inlets, the purposes of discharge, the advantage such as there is structure and electrical equipment control is simple, air-tightness is good, it is little to take up room, parts are few and cost is relatively low.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and specific embodiment the invention will be further described, wherein:
Fig. 1 is embodiment of the present invention valve rod movement state diagram when pushing ahead；
Fig. 2 is embodiment of the present invention valve rod movement state diagram when pulling back backward；
Fig. 3 is the structural representation of embodiment of the present invention valve body；
Fig. 4 is the structural representation of embodiment of the present invention valve rod.
Detailed description of the invention
Seeing Fig. 1 and Fig. 2, Fig. 1 is the embodiment of the present invention valve rod 2 movement state diagram when pushing ahead, and Fig. 2 is the embodiment of the present invention valve rod 2 movement state diagram when pulling back backward.nullOne list cylinder switch type air inlet and exhaust valve group of the present invention，Including a valve body 1 with inner chamber 16 and the valve rod 2 being arranged in described inner chamber 16，Two two way seal piston envelopes 3 it are provided with on described valve rod 2，Described valve rod 2 carries out piston with the inner chamber 16 of valve body 1 by two way seal piston envelope 3 and coordinates，The primary air inlet 11 being connected with inner chamber 16 it is additionally provided with in described valve body 1、A chamber air inlet 13、B chamber air inlet 12、A chamber floss hole 15 and B chamber floss hole 14，When valve rod 2 travels forward，The gas circuit of primary air inlet 11 with A chamber air inlet 13 and A chamber floss hole 15 is sealed by a two way seal piston envelope 3 on valve rod 2 to be cut off，B chamber air inlet 12 and B chamber floss hole 14 are sealed partition by another two way seal piston envelope 3，A chamber is in emissions status，B chamber is in air-suction state，When valve rod 2 rearward movement，The gas circuit of primary air inlet 11 with B chamber air inlet 12 and B chamber floss hole 14 is sealed by a two way seal piston envelope 3 on valve rod 2 to be cut off，A chamber air inlet 13 and A chamber floss hole 15 are sealed partition by another two way seal piston envelope 3，B chamber is in emissions status，A chamber is in air-suction state.Wherein, described primary air inlet 11 is connected with undried compressed air, described A chamber air inlet 13 and B chamber air inlet 12 is connected with downstream gas circuit, described A chamber floss hole 15 and B chamber floss hole 14 is connected with outside air, the adsorbent of the moisture that described A chamber air inlet 13 and B chamber air inlet 12 is provided with in adsorption compression air.When a cavity air inlet job when, another cavity regenerates, and regeneration off gases is discharged by the floss hole of this cavity, two cavity alternate cycles work, provides the compressed air of dried and clean for downstream gas circuit.
See Fig. 3, Fig. 3 is the structural representation of embodiment of the present invention valve body 1, utilize the straight reciprocating motion of valve rod 2, the two way seal piston being connected on valve rod 2 envelope 3 is driven to make it arrive ad-hoc location, seal up be distributed in valve body 1 primary air inlet 11, A chamber air inlet 13, B chamber air inlet 12, A chamber floss hole 15 and B these gas channels of chamber floss hole 14, to reach to control two cavity cycle alternation air inlets, the purposes of discharge.Concrete, inner chamber 16 it is provided with on valve body 1, the two way seal piston envelope 3 of several gas channels that valve rod 2 is provided with on sealed valve body 1 by two two way seal piston sealing grooves 21, inner chamber 16 is connected with primary air inlet 11, A chamber air inlet 13, B chamber air inlet 12, A chamber floss hole 15 and B chamber floss hole 14 respectively, and valve rod 2 is that piston coordinates with the inwall of inner chamber 16.See Fig. 1, when valve rod 2 is pushed ahead, the primary air inlet 11 of described valve body 1 is sealed by one of them the two way seal piston envelope 3 on described valve rod 2 with A chamber air inlet 13 and A chamber floss hole 15 gas circuit on described valve body 1 to be cut off, and B chamber air inlet on described valve body 1 12 and B chamber floss hole 14 are sealed partition by another two way seal piston envelope 3 simultaneously.Now, A chamber the air inlet 13 and A chamber floss hole 15 on described valve body 1 is connected by the inner chamber 16 of described valve body 1, cuts off with the primary air inlet 11 on described valve body 1, and A chamber is in emissions status；And the primary air inlet 11 on described valve body 1 is connected with the B chamber air inlet 12 of described valve body 1 by the inner chamber 16 of described valve body 1, and the B chamber floss hole 14 of the primary air inlet 11 and B chamber air inlet 12 of described valve body 1 and described valve body 1 blocks, and b chamber is in air-suction state.Seeing Fig. 2, when valve rod 2 is pulled back backward, process is contrary to the above.Pushed ahead by valve rod 2 and connect with the action pulled back backward or cut off gas channels, the inlet and outlet handoff functionality of gas circuit directly can be realized by the action of valve rod 2, to reach to control two cavity cycle alternation air inlets, the purposes of discharge, the many merits such as there is structure and electrical equipment control is simple, air-tightness is good, it is little to take up room, parts are few and cost is relatively low.
As the preferred embodiment of the present invention, one end of described valve rod 2 connects has cylinder, described cylinder band ovable valve stem 2 to move to the diverse location of inner chamber 16 inwall.Cylinder band ovable valve stem 2 is used to move, valve rod 2 can be driven on specific position, coordinate two two way seal piston envelopes 3 on valve rod 2, just can connect or cut off gas channels, realize the inlet and outlet handoff functionality of gas circuit, to reach to control two cavity cycle alternation air inlets, the purposes of discharge.The structure of cylinder and principle are simple, and user operates very convenient, simultaneously cylinder have High power output, strong adaptability, to environmental requirement not advantages of higher, it is possible to meet the requirement of compressed air process field.It addition, described valve body 1 is provided with cylinder seal ring recess 17 on the contact surface of cylinder, described cylinder seal ring recess 17 is provided with the cylinder seal circle 4 for sealed valve body 1 and cylinder joint face, for sealed valve body 1 and cylinder joint face, prevents leakage.
Further, as the preferred embodiment of the present invention, described inner chamber 16, primary air inlet 11, A chamber air inlet 13, B chamber air inlet 12, A chamber floss hole 15 and B chamber floss hole 14 are shaped in valve body 1.Use integrated design, reduce the gap on each workpiece to the full extent, prevent gas from leaking further, and improve the reliability of valve body 1, there is advantage easy to process simultaneously.
The operation principle of the embodiment of the present invention is described below in detail: see Fig. 1, when cylinder is pushed ahead, band ovable valve stem 2 travels forward, the gas circuit of primary air inlet 11 with A chamber air inlet 13 and A chamber floss hole 15 is sealed by one of them the two way seal piston envelope 3 on valve rod 2 to be cut off, meanwhile, B chamber air inlet 12 and B chamber floss hole 14 are sealed partition by another two way seal piston envelope 3.Now, A chamber air inlet 13 and A chamber floss hole 15 is connected by inner chamber 16, and the two cuts off with primary air inlet 11, and A chamber is in emissions status；Primary air inlet 11 is connected with B chamber air inlet 12 by inner chamber 16, and primary air inlet 11 and B chamber air inlet 12 blocks with B chamber floss hole 14, and B chamber is in air-suction state.See Fig. 2, when cylinder pulls back, band ovable valve stem 2 rearward movement, primary air inlet 11 is sealed by one of them the two way seal piston envelope 3 on valve rod 2 with the gas circuit of B chamber air inlet 12 and B chamber floss hole 14 on valve body 1 to be cut off, meanwhile, A chamber air inlet 13 and A chamber floss hole 15 are sealed partition by another two way seal piston envelope 3.Now, B chamber air inlet 12 and B chamber floss hole 14 is connected by inner chamber 16, and the two cuts off with primary air inlet 11, and B chamber is in emissions status；Primary air inlet 11 is connected with A chamber air inlet 13 by inner chamber 16, and primary air inlet 11 and A chamber air inlet 13 blocks with A chamber floss hole 15, and A chamber is in air-suction state.Sealing 3 air inlet and the discharges that just can control whole drying machine by a cylinder, a valve rod 2 and attached two two way seal pistons thereof, amount of parts used greatly reduces, and cost reduces, and compact conformation is simple, decreases trouble point；Convenient installation and maintenance simultaneously.
The above, the simply better embodiment of the present invention, but the present invention is not limited to above-described embodiment, as long as it reaches the technique effect of the present invention with any same or similar means, all should belong to protection scope of the present invention.
Claims (6)
- null1. a single cylinder switch type air inlet and exhaust valve group，It is characterized in that: include a valve body (1) with inner chamber (16) and the valve rod (2) being arranged in described inner chamber (16)，Two two way seal pistons envelope (3) it are provided with on described valve rod (2)，Described valve rod (2) carries out piston with the inner chamber (16) of valve body (1) by two way seal piston envelope (3) and coordinates，The primary air inlet (11) being connected with inner chamber (16) it is additionally provided with in described valve body (1)、A chamber air inlet (13)、B chamber air inlet (12)、A chamber floss hole (15) and B chamber floss hole (14)，When valve rod (2) travels forward，The gas circuit of primary air inlet (11) with A chamber air inlet (13) and A chamber floss hole (15) is sealed by two way seal piston envelope (3) on valve rod (2) to be cut off，B chamber air inlet (12) is sealed with B chamber floss hole (14) and cuts off by another two way seal piston envelope (3)，A chamber is in emissions status，B chamber is in air-suction state，When valve rod (2) rearward movement，The gas circuit of primary air inlet (11) with B chamber air inlet (12) and B chamber floss hole (14) is sealed by two way seal piston envelope (3) on valve rod (2) to be cut off，A chamber air inlet (13) is sealed with A chamber floss hole (15) and cuts off by another two way seal piston envelope (3)，B chamber is in emissions status，A chamber is in air-suction state.
- A kind of single cylinder switch type air inlet and exhaust valve group the most according to claim 1, it is characterized in that: be provided with two two way seals piston sealing groove (21) on described valve rod (2), described two way seal piston envelope (3) is arranged in two way seal piston sealing groove (21).
- A kind of single cylinder switch type air inlet and exhaust valve group the most according to claim 1, it is characterized in that: described primary air inlet (11) is connected with undried compressed air, described A chamber air inlet (13) and B chamber air inlet (12) are connected with downstream gas circuit, and described A chamber floss hole (15) and B chamber floss hole (14) are connected with outside air.
- A kind of single cylinder switch type air inlet and exhaust valve group the most according to claim 1, it is characterised in that: one end of described valve rod (2) connects has cylinder, described cylinder band ovable valve stem (2) to move to the diverse location of inner chamber (16) inwall.
- A kind of single cylinder switch type air inlet and exhaust valve group the most according to claim 4, it is characterized in that: described valve body (1) is provided with cylinder seal ring recess (17) on the contact surface of cylinder, and described cylinder seal ring recess (17) is provided with the cylinder seal circle (4) for sealed valve body (1) and cylinder joint face.
- A kind of single cylinder switch type air inlet and exhaust valve group the most according to claim 1, it is characterised in that: described inner chamber (16), primary air inlet (11), A chamber air inlet (13), B chamber air inlet (12), A chamber floss hole (15) and B chamber floss hole (14) are shaped in valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394548.8A CN106015638A (en) | 2016-06-02 | 2016-06-02 | Single air cylinder switching type air inlet and exhaust valve bank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610394548.8A CN106015638A (en) | 2016-06-02 | 2016-06-02 | Single air cylinder switching type air inlet and exhaust valve bank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106015638A true CN106015638A (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610394548.8A Pending CN106015638A (en) | 2016-06-02 | 2016-06-02 | Single air cylinder switching type air inlet and exhaust valve bank |
Country Status (1)
| Country | Link |
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| CN (1) | CN106015638A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642632A (en) * | 2017-10-31 | 2018-01-30 | 株洲联诚集团控股股份有限公司 | A kind of locomotive twin tower air dryer intake valve |
| CN108468833A (en) * | 2018-04-11 | 2018-08-31 | 珠海市思卡净化技术有限公司 | A kind of interaction switching pressurized air purification valve body |
| CN111229551A (en) * | 2020-04-01 | 2020-06-05 | 常州纳捷机电科技有限公司 | Novel duplex position point gum machine |
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| CN205715803U (en) * | 2016-06-02 | 2016-11-23 | 珠海市思卡净化技术有限公司 | A kind of single cylinder switch type air inlet and exhaust valve group |
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| DE102005003982A1 (en) * | 2005-01-28 | 2006-08-10 | Bosch Rexroth Ag | Pneumatic directional valve for switching of compressed air flow between several external connections has control pressure piston which in addition to movement of valve spool also serves as shut-off component for valve seat |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642632A (en) * | 2017-10-31 | 2018-01-30 | 株洲联诚集团控股股份有限公司 | A kind of locomotive twin tower air dryer intake valve |
| CN108468833A (en) * | 2018-04-11 | 2018-08-31 | 珠海市思卡净化技术有限公司 | A kind of interaction switching pressurized air purification valve body |
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| CN111229551A (en) * | 2020-04-01 | 2020-06-05 | 常州纳捷机电科技有限公司 | Novel duplex position point gum machine |
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Application publication date: 20161012 |