CN204677865U - A kind of novel pneumatic selector valve - Google Patents
A kind of novel pneumatic selector valve Download PDFInfo
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- CN204677865U CN204677865U CN201520378401.0U CN201520378401U CN204677865U CN 204677865 U CN204677865 U CN 204677865U CN 201520378401 U CN201520378401 U CN 201520378401U CN 204677865 U CN204677865 U CN 204677865U
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Abstract
The utility model discloses a kind of novel pneumatic selector valve, comprise valve body and be arranged on the guiding valve in valve body, valve body right-hand member is provided with diaphragm type cylinder body, diaphragm type cylinder body left end is provided with valve body installation cavity, diaphragm type cylinder body right-hand member is provided with connection chamber, axially jogger hole is provided with between valve body installation cavity and connection chamber, axially push rod is provided with in jogger hole, diaphragm type cylinder right-hand member is provided with cylinder cap, diaphragm is provided with between diaphragm type cylinder body and cylinder cap, described cylinder cap is axially provided with push rod mounting hole, axially hand push rod is equipped with in push rod mounting hole, under the effect of push rod spring, described hand push rod left side compresses described diaphragm right side, described hand push rod is socketed with the second seal ring, cylinder cap side is provided with gas-entered passageway, described gas-entered passageway left end is communicated with diaphragm type cylinder body, gas-entered passageway right-hand member is provided with plug-in type air input joint.Reasonable in design, structure are simple, easy for installation, good seal performance, reliable operation and easy to maintenance.
Description
Technical field
The utility model relates to lubrication technical field, is specifically related to a kind of novel pneumatic selector valve.
Background technique
In centralized lubrication system, some lubricating loop requires switch online lubricating oils, the selector valve adopted is mostly slide-valve structure, the lubricating oils used is generally thin oil or grease, wherein grease is due to its sticky nature, the surface friction drag produced when making it guiding valve action and dynamic fluid flow power, far above thin oil selector valve, require to make the power take-off mechanism of spool action have enough large steering force.In known technology, the Oil Diverting valve commonly used comprise the solenoid directional control valve of Chinese heavy machinery standard JB/ZQ4563, the hydraulicchange-over valve of JB/ZQ4565 and the electric change valve of Chinese machinery industry standard JB/T8463, but all there is following technical problem in actual use: one is that solenoid directional control valve adopts electromagnet as power take-off mechanism, general thrust is limited, only tens newton, and reversing impact is large, be only applicable to the guiding valve of little latus rectum, pass through limited flow; Two is that hydraulicdirectional control valve completes the action of guiding valve with the power of oil hydraulic cylinder, requires configuration hydraulic power and pressure regulation and guide's commutation loop, make to use very inconvenience in the lubrication system taking grease as medium, and in oil hydraulic cylinder, slipper seal easily causes leakage, complex structure; Three is that electric change valve adopts motor to complete guiding valve action by movement conversion mechanism after slowing down, motion chain length, structure is complicated, and especially boundary dimension and quality are all much larger than the selector valve of similar purposes, use installation very inconvenient, therefore all there is certain limitation in actual use.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is to provide that a kind of reasonable in design, structure are simple, easy for installation, good seal performance, reliable operation and novel pneumatic selector valve easy to maintenance.
For achieving the above object, the utility model provides following technological scheme: a kind of novel pneumatic selector valve, comprise valve body and be arranged on the guiding valve in valve body, described valve body right-hand member is provided with diaphragm type cylinder body, described diaphragm type cylinder body left end is provided with valve body installation cavity, diaphragm type cylinder body right-hand member is provided with connection chamber, axially jogger hole is provided with between described valve body installation cavity and connection chamber, axially push rod is provided with in described jogger hole, described push rod left end is socketed with valve core spring, push rod right-hand member is socketed with Returnning spring, push rod is socketed with the first seal ring, described diaphragm type cylinder body right-hand member is provided with cylinder cap, diaphragm is provided with between described diaphragm type cylinder body and cylinder cap, described cylinder cap is axially provided with push rod mounting hole, axially hand push rod is equipped with in described push rod mounting hole, hand push rod left end is socketed with push rod spring, under the effect of push rod spring, described hand push rod left side compresses described diaphragm right side, described hand push rod is socketed with the second seal ring, cylinder cap side is provided with gas-entered passageway, described gas-entered passageway left end is communicated with membrane body cylinder, gas-entered passageway right-hand member is provided with plug-in type air input joint.
By adopting technique scheme, adopt diaphragm type single-acting cylinder as the power mechanism of selector valve, structure is simple, and compact appearance, lightweight, cost is low, good seal performance, and without wear-out part, functional reliability is high, long working life, and installation and maintenance are also quite convenient.Especially produced thrust is far above electromagnet, and under usual bleed pressure, thrust can reach hundreds of newton, wide accommodation, effectively can solve the above-mentioned narrow limitation that prior art exists.
The utility model is set to further: described diaphragm type cylinder body right side is provided with diaphragm mounting groove, and described diaphragm is arranged in diaphragm mounting groove, and diaphragm right side regional area is positioned at gas-entered passageway left port.By this setting, diaphragm is easier for installation, connects reliable.
The utility model is also set to further: the shaft axis of described push rod overlaps with the shaft axis of described hand push rod, and described first seal ring and the second seal ring are O type circle.By this setting, push rod is connected more reliable with hand push rod, and good seal performance.
The utility model is also set to further: described gas-entered passageway is provided with throttle valve.By this setting, can the movement speed of regulating slide valve, to reduce reversing impact.
The utility model is also set to further: described diaphragm adopts the punching of folder fabric rubber plate to form.By this setting, because real work stroke is only several millimeters, during diaphragm work, amount of deformation is minimum, can ensure that diaphragm has sufficiently high fatigue life.
The utility model is also set to further: described diaphragm adopts stainless steel or the punching of phosphor bronze thin plate to form.By this setting, diaphragm longer service life.
The utility model is also set to further: described valve body left end is also provided with diaphragm type cylinder, and the diaphragm type cylinder at two ends, valve body left and right forms three multi-channel reversing valves.By this setting, using scope is wider.
The utility model has the advantages that: compared with prior art, the utility model vibrational power flow is reasonable, and adopt diaphragm type single-acting cylinder as the power mechanism of selector valve, structure is simple, compact appearance, lightweight, cost is low, good seal performance, without wear-out part, functional reliability is high, long working life, and installation and maintenance are also quite convenient.Especially produced thrust is far above electromagnet, and under usual bleed pressure, thrust can reach hundreds of newton, wide accommodation, effectively can solve the above-mentioned narrow limitation that prior art exists.The utility model is applicable to the online switching of finish in the thin oil of various pressure rating or grease centralized lubricating system, is also applicable to hydraulic system simultaneously, replaces all kinds of solenoid directional control valve or electro-hydraulic reversing valve, work more reliable.
Below in conjunction with Figure of description and specific embodiment, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
See Fig. 1, a kind of novel pneumatic selector valve disclosed in the utility model, the guiding valve 2 comprising valve body 1 and be arranged in valve body 1, described valve body 1 right-hand member is provided with diaphragm type cylinder body 3, described diaphragm type cylinder body 3 left end is provided with valve body installation cavity 31, diaphragm type cylinder body 3 right-hand member is provided with connection chamber 32, axially jogger hole 33 is provided with between described valve body installation cavity 31 and connection chamber 32, axially push rod 4 is provided with in described jogger hole 33, described push rod 4 left end is socketed with valve core spring 5, push rod 4 right-hand member is socketed with Returnning spring 6, push rod 4 is socketed with the first seal ring 7, described diaphragm type cylinder body 3 right-hand member is provided with cylinder cap 8, diaphragm 9 is provided with between described diaphragm type cylinder body 3 and cylinder cap 8, described cylinder cap 8 is axially provided with push rod mounting hole 81, axially hand push rod 10 is equipped with in described push rod mounting hole 81, hand push rod 10 left end is socketed with push rod spring 11, under the effect of push rod spring 11, described hand push rod 10 left side compresses described diaphragm 9 right side, described hand push rod 10 is socketed with the second seal ring 12, cylinder cap 8 side is provided with gas-entered passageway 82, described gas-entered passageway 82 left end is communicated with diaphragm type cylinder body 3, gas-entered passageway 82 right-hand member is provided with plug-in type air input joint 13.
As preferably, push rod 4 seals by forming between the first seal ring 7 and the internal face of jogger hole 33; Cylinder cap 8 and diaphragm type cylinder body 3 right side are connected and fixed by existing bolt; Hand push rod 10 seals by forming between the second seal ring 12 and the internal face of push rod mounting hole 81; Plug-in type air input joint 13 is threaded with gas-entered passageway 82 right output port.
Described diaphragm type cylinder 3 right side is provided with diaphragm mounting groove 34, and described diaphragm 9 is arranged in diaphragm mounting groove 34, and diaphragm 9 right side regional area is positioned at gas-entered passageway 82 left port.
The shaft axis of described push rod 4 overlaps with the shaft axis of described hand push rod 10, and described first seal ring 7 and the second seal ring 12 are O type circle.
Described gas-entered passageway 82 is provided with throttle valve.
Described diaphragm 9 adopts the punching of folder fabric rubber plate to form or described diaphragm 9 adopts stainless steel or the punching of phosphor bronze thin plate to form.
Described valve body 1 left end is also provided with diaphragm type cylinder body 3 and relevant assembly parts to form three multi-channel reversing valves.
When pressurized air enters cylinder cap 8 by plug-in type air input joint 13, acted on push rod 4 by diaphragm 9, make it to produce and move, promote guiding valve 2 action, complete the commutation of oil circuit.When pressurized air is vented, under Returnning spring 6 acts on, diaphragm 9 and push rod 4 reset, and guiding valve 2 also returns back to home position.Debug time or in case of emergency, hand push rod 10 can be pressed, make guiding valve 2 forced commutation.
The utility model adopts single-acting cylinder as the power mechanism of selector valve, and structure is simple, and compact appearance, lightweight, cost is low, good seal performance, and without wear-out part, functional reliability is high, long working life, and installation and maintenance are also quite convenient.Especially produced thrust is far above electromagnet, and under usual bleed pressure, thrust can reach hundreds of newton, wide accommodation, effectively can solve the above-mentioned narrow limitation that prior art exists.The utility model is applicable to the online switching of finish in the thin oil of various pressure rating or grease centralized lubricating system, especially be applied in oil-air lubrication, grease jet lubrication or all kinds of lubrication systems using pneumatic pump as pumping source, source of the gas can be shared, use convenient, also be applicable to hydraulic system simultaneously, replace all kinds of solenoid directional control valve or electro-hydraulic reversing valve, work more reliable.
Above-described embodiment is to specific descriptions of the present utility model; only for being further described the utility model; can not be interpreted as the restriction to the utility model protection domain, the technician of related domain makes some nonessential improvement according to the content of above-mentioned model utility to the utility model and adjustment all falls within protection domain of the present utility model.
Claims (7)
1. a novel pneumatic selector valve, comprise valve body (1) and be arranged on the guiding valve (2) in valve body (1), it is characterized in that: described valve body (1) right-hand member is provided with diaphragm type cylinder body (3), described diaphragm type cylinder body (3) left end is provided with valve body installation cavity (31), diaphragm type cylinder body (3) right-hand member is provided with connection chamber (32), axially jogger hole (33) is provided with between described valve body installation cavity (31) and connection chamber (32), axially push rod (4) is provided with in described jogger hole (33), described push rod (4) left end is socketed with valve core spring (5), push rod (4) right-hand member is socketed with Returnning spring (6), push rod (4) is socketed with the first seal ring (7), described diaphragm type cylinder body (3) right-hand member is provided with cylinder cap (8), diaphragm (9) is provided with between described diaphragm type cylinder body (3) and cylinder cap (8), described cylinder cap (8) is axially provided with push rod mounting hole (81), axially hand push rod (10) is equipped with in described push rod mounting hole (81), hand push rod (10) left end is socketed with push rod spring (11), under the effect of push rod spring (11), described hand push rod (10) left side compresses described diaphragm (9) right side, described push rod (10) is socketed with the second seal ring (12), cylinder cap (8) side is provided with gas-entered passageway (82), described gas-entered passageway (82) left end is communicated with diaphragm type cylinder body (3), gas-entered passageway (82) right-hand member is provided with plug-in type air input joint (13).
2. a kind of novel pneumatic selector valve according to claim 1, it is characterized in that: described diaphragm type cylinder body (3) right side is provided with diaphragm mounting groove (34), described diaphragm (9) is arranged in diaphragm mounting groove (34), and diaphragm (9) right side regional area is positioned at gas-entered passageway (82) left port.
3. a kind of novel pneumatic selector valve according to claim 2, it is characterized in that: the shaft axis of described push rod (4) overlaps with the shaft axis of described hand push rod (10), described first seal ring (7) and the second seal ring (12) are O type circle.
4. a kind of novel pneumatic selector valve according to claim 3, is characterized in that: (82) are provided with throttle valve to described gas-entered passageway.
5. a kind of novel pneumatic selector valve according to claim 1 or 4, is characterized in that: described diaphragm (9) adopts the punching of folder fabric rubber plate to form.
6. a kind of novel pneumatic selector valve according to claim 1 or 4, is characterized in that: described diaphragm (9) adopts stainless steel or the punching of phosphor bronze thin plate to form.
7. a kind of novel pneumatic selector valve according to claim 1 or 4, is characterized in that: described valve body (1) left end is also provided with diaphragm type cylinder body (3) and corresponding assembly parts to form three multi-channel reversing valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520378401.0U CN204677865U (en) | 2015-06-04 | 2015-06-04 | A kind of novel pneumatic selector valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520378401.0U CN204677865U (en) | 2015-06-04 | 2015-06-04 | A kind of novel pneumatic selector valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204677865U true CN204677865U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520378401.0U Active CN204677865U (en) | 2015-06-04 | 2015-06-04 | A kind of novel pneumatic selector valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204677865U (en) |
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2015
- 2015-06-04 CN CN201520378401.0U patent/CN204677865U/en active Active
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