CN214998534U - Multi-way constant flow synchronous flow divider - Google Patents
Multi-way constant flow synchronous flow divider Download PDFInfo
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- CN214998534U CN214998534U CN202121001001.XU CN202121001001U CN214998534U CN 214998534 U CN214998534 U CN 214998534U CN 202121001001 U CN202121001001 U CN 202121001001U CN 214998534 U CN214998534 U CN 214998534U
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Abstract
The utility model relates to the technical field of synchronous flow divider valves, and provides a multi-path constant flow synchronous flow divider valve, which comprises a valve body, wherein the valve body is provided with an oil inlet and a plurality of oil outlets; the oil outlets are respectively communicated with the oil inlets to form a plurality of oil distribution paths; the valve body is internally provided with an oil return path which is communicated with the outside; the valve body is internally provided with a backflow cavity, each oil distribution channel is communicated with a backflow cavity, and the backflow cavities are communicated with the oil return channels; the slider, the slider slides and locates the backward flow intracavity for the break-make of control backward flow chamber and oil return way. Through the technical scheme, the problems that a traditional pressure regulating mode in the prior art cannot be suitable for multi-connection assembly with more than two paths and is poor in synchronization effect are solved.
Description
Technical Field
The utility model relates to a synchronous flow divider technical field, it is specific, relate to multichannel constant flow synchronous flow divider.
Background
The flow dividing valve is also called as a speed synchronous valve and is a general name of a flow dividing valve, a flow collecting valve, a one-way flow dividing valve, a one-way flow collecting valve and a proportional flow dividing valve of a hydraulic valve. The synchronous valve is mainly applied to a double-cylinder and multi-cylinder synchronous control hydraulic system. The synchronous flow dividing valve has the principle that the same flow is supplied to more than two execution elements from the same oil source in a hydraulic system (equal flow dividing) or the flow is supplied to the two execution elements according to a certain proportion (proportion flow dividing) so as to realize the speed synchronization or proportional relation of the two execution elements.
The existing synchronous flow divider valve generally has more two paths, and the principle is that the orifice and a spring in the valve move correspondingly along with the load change, so that the synchronous precision of an actuating element is kept, and the instantaneous impact force of the synchronous flow divider valve can cause the synchronous valve to lose the synchronous function or cause a valve core to be blocked under the condition of large load change.
The mode that the throttling hole and the spring move along with the load change is not suitable for more than two-way multi-connection assembly, and the synchronous effect is reduced to be below the standard, so that a flow divider valve which adopts other modes to adapt to the load change and can be applied to multi-connection assembly is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a synchronous flow divider valve of multichannel constant flow, the traditional pressure regulating mode of having solved among the correlation technique can not be applicable to the equipment that ally oneself with more than the two tunnel more, problem that synchronous effect is not good.
The technical scheme of the utility model as follows: the multi-path constant flow synchronous flow divider valve comprises,
the valve body is provided with an oil inlet and a plurality of oil outlets;
the valve body is also provided with a valve body,
the oil outlets are respectively communicated with the oil inlets to form a plurality of oil distribution paths;
the oil return path is communicated with the outside;
each oil distribution channel is communicated with one oil return channel, and the oil return channels are communicated with the oil return channels;
the sliding block is arranged in the backflow cavity in a sliding mode and used for controlling the on-off of the backflow cavity and the oil return path (5).
As a further technical proposal, the slide block also has,
the overflow cavity is arranged in the sliding block and is communicated with the return cavity;
the slide block also comprises a slide block which is provided with a slide block,
the valve core is arranged in the overflow cavity in a sliding manner;
the valve body is also provided with a valve body,
the load flow channel is communicated between the oil distribution channel and the overflow cavity, and the valve core is used for plugging the load flow channel.
As a further technical solution, it also includes,
and each throttling sheet is internally provided with a throttling sheet, and each throttling sheet is provided with a throttling hole.
As a further technical solution, it also includes,
the first plug is arranged on the valve body;
one end of the first spring acts on the first plug, the other end of the first spring acts on the sliding block, and the first spring is used for resetting the sliding block;
and the second plug is arranged on the valve body, is in contact with the sliding block and is used for limiting the maximum stroke of the sliding block.
As a further technical proposal, the slide block also has,
and one end of the second spring acts on the valve core, the other end of the second spring acts on the inner wall of the overflow cavity, and the second spring is used for resetting the valve core.
As a further technical solution, it also includes,
the third plug is arranged on the valve body, the oil return path is provided with two oil return ports, and the third plug is used for plugging any one of the oil return ports.
The utility model discloses a theory of operation does: the valve body is provided with an oil inlet and a plurality of oil outlets which are respectively communicated with the oil inlet to form a plurality of oil distribution paths, an oil return path is arranged in the valve body and is communicated with the outside, the valve body is also provided with a backflow cavity, each oil distribution path is communicated with the backflow cavity, a sliding block is arranged in each backflow cavity in a sliding mode, the backflow cavity is communicated with the oil return path, and the sliding block can block the communication between the backflow cavity and the oil return path;
when the oil-liquid separating device works, oil liquid is discharged from the oil inlet, flows into the oil separating channels and is finally discharged from the oil outlets, in the flowing process of the oil liquid, the backflow cavity is filled with the oil liquid, the sliding block blocks an oil return path to prevent the oil liquid from leaking, when the load pressure of a certain oil outlet is overlarge, part of flow in the oil separating path can be separated into other oil separating paths, but the flow which can be conveyed by the oil separating path is a fixed value, so that the pressure of other oil outlets is increased, the pressure of the oil inlet can be increased accordingly, the sliding block is pushed open by the redundant pressure, the backflow cavity and the oil return path are in a communicated state, part of the oil liquid enters the backflow cavity, and finally the oil return path is discharged out of the valve body to unload.
The utility model discloses in, every minute oil circuit all is provided with a slider that corresponds with it, when certain oil-out load pressure is great, the drive slider slides, opens the intercommunication mouth between backward flow chamber and the oil return circuit, lets out unnecessary flow, but the output flow of having realized every oil-out synchronous increase or reduction, the difference that remains throughout between oil inlet pressure and the oil-out pressure is unchangeable, has replaced traditional pressure regulating mode, has solved the problem that traditional mode can not be applicable to the flow divider valve of the equipment that ally oneself with more.
The utility model has the advantages that: in the prior art, the throttling hole and the spring move along with the change of load, but when the structure of more than two paths is arranged in the flow divider valve, the mode cannot ensure the synchronization of two actuating elements; the utility model discloses in, oil return path has in the valve body, and with the backward flow chamber intercommunication, every divides the oil circuit all to be provided with a slider that corresponds with it, and when the load pressure of certain oil-out was great, oil inlet pressure increased thereupon, and unnecessary pressure backs down the slider, makes intercommunication between backward flow chamber and the oil return path, discharges unnecessary flow, keeps the pressure differential value between oil-out and the oil inlet unanimous throughout, and the flow of each oil-out is the same, has realized synchronous reposition of redundant personnel.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the internal structure of the flow divider of the present invention;
fig. 2 is a right side view of the flow divider of the present invention;
fig. 3 is a left side view of the flow divider of the present invention;
in the figure: 1. the valve comprises a valve body, 2, an oil inlet, 3, an oil outlet, 4, an oil dividing path, 5, an oil return path, 6, a return cavity, 7, a sliding block, 8, an overflow cavity, 9, a valve core, 10, a load flow channel, 11, a throttle sheet, 12, a throttle hole, 13, a first plug, 14, a first spring, 15, a second plug, 16, a second spring, 17, a third plug, 18 and an oil return opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
As shown in fig. 1 to 3, the present embodiment proposes a multi-way constant flow synchronous splitter valve, which includes.
The oil-saving valve comprises a valve body 1, wherein the valve body 1 is provided with an oil inlet 2 and a plurality of oil outlets 3;
the valve body 1 is also internally provided with a valve,
the oil distribution passages 4 are formed, and the oil outlets 3 are respectively communicated with the oil inlet 2;
the oil return path 5 is communicated with the outside;
each oil distribution channel 4 is communicated with one return cavity 6, and the return cavities 6 are communicated with the oil return channel 5;
and the sliding block 7 is arranged in the backflow cavity 6 in a sliding manner and is used for controlling the on-off of the backflow cavity 6 and the oil return path 5.
In this embodiment, the specific structure of the synchronous diverter valve is as follows: the outer wall of the valve body 1 is provided with an oil inlet 2 and a plurality of oil outlets 3, the oil outlets 3 are respectively communicated with the oil inlet 2 to form a plurality of oil distribution paths 4, an oil return path 5 is further arranged in the valve body 1, the oil return path 5 is communicated with an external oil tank, the discharged oil is recycled, a backflow cavity 6 is further arranged in the valve body 1, each oil distribution path 4 is communicated with one backflow cavity 6, a sliding block 7 is arranged in each backflow cavity 6 in a sliding mode, the backflow cavity 6 can be communicated with the oil return path 5, and the sliding block 7 can block communication between the backflow cavity 6 and the oil return path 5. When the oil valve works, oil is discharged from the oil inlet 2, flows into the oil distribution channels 4 and is finally discharged from the oil outlets 3, in the flowing process of the oil, the backflow cavity 6 is filled with the oil all the time, in a normal state, the sliding block 7 seals the oil return channels 5 to prevent the oil from leaking, when the load pressure of a certain oil outlet 3 is overlarge, partial flow in the oil distribution channel 4 is divided into other oil distribution channels 4, but the flow which can be conveyed by the oil distribution channels 4 is a fixed value, so that the pressure of other oil outlets 3 is increased, the pressure of the oil inlet 2 is increased, and the sliding block 7 is pushed open by redundant pressure at the moment, so that the backflow cavity 6 and the oil return channels 5 are in a communicated state, partial oil enters the backflow cavity 6 and is finally discharged from the valve body 1 through the oil return channels 5 to unload.
In this embodiment, every minute oil circuit 4 all is provided with a slider 7 that corresponds with it, when certain oil-out 3 load pressure is great, drive slider 7 slides, open the intercommunication mouth between return-flow chamber 6 and the oil return 5, let out unnecessary flow, realized that the output flow of every oil-out 3 can increase or reduce in step, the difference between oil inlet 2 pressure and the 3 pressures of oil-out is kept unchangeable all the time, replaced traditional pressure regulating mode, the problem that traditional mode can not be applicable to the flow divider that allies oneself with the equipment more has been solved. In the prior art, the throttle hole 12 and the spring move along with the change of load, but when the structure of more than two paths is arranged in the flow divider, the mode cannot ensure the synchronization of two actuating elements; in this embodiment, an oil return path 5 is provided in the valve body 1 and is communicated with the oil return cavity 6, each oil return path 4 is provided with a corresponding slider 7, when the load pressure of a certain oil outlet 3 is large, the pressure of the oil inlet 2 is increased therewith, the slider 7 is pushed open by the excessive pressure, the oil return cavity 6 is communicated with the oil return path 5, the excessive flow is discharged, the pressure difference between the oil outlet 3 and the oil inlet 2 is kept consistent all the time, the flow of each oil outlet 3 is the same, and synchronous flow division is realized.
As shown in fig. 1, further, it also includes,
the slide 7 is also provided with,
the overflow cavity 8 is arranged in the sliding block 7, and the overflow cavity 8 is communicated with the return cavity 6;
the slide 7 also comprises a slide for sliding the slide,
the valve core 9 is arranged in the overflow cavity 8 in a sliding manner;
the valve body 1 is also provided with,
and the load flow channel 10 is communicated between the oil distribution channel 4 and the overflow cavity 8, and the valve core 9 is used for plugging the load flow channel 10.
In the embodiment, an overflow cavity 8 is arranged in the slider 7, the overflow cavity 8 can be communicated with a return cavity 6, the valve core 9 is arranged in the overflow cavity 8 in a sliding manner, a load flow passage 10 is communicated between the oil distribution passage 4 and the overflow cavity 8, the load flow passage 10 can feed back real-time pressure in the oil distribution passage 4 and acts on the valve core 9, the valve core 9 is tightly attached to a port of the load flow passage 10 in a normal state, so that the load flow passage 10 is in a blocking state, a safety pressure is preset in the valve core 9, when the pressure of the load flow passage 10 is higher than the safety pressure, the valve core 9 is pushed open, redundant oil is discharged through the overflow cavity 8, the pressure in the valve body 1 is reduced, and the valve body 1 is prevented from being damaged; slider 7 is used for adjusting the pressure difference between oil-out 3 and the oil inlet 2, and case 9 is used for injecing the highest pressure in the valve body 1, and case 9 slides and locates in slider 7 for whole valve body 1 integrates more, and the volume is littleer, is convenient for be applied to many scenes.
As shown in fig. 1, further, it also includes,
and the throttling sheet 11 is arranged in each oil distribution channel 4, and the throttling sheet 11 is provided with a throttling hole 12.
In this embodiment, the throttle plate 11 is disposed in the oil distribution passage 4, the throttle plate 11 is provided with the throttle hole 12, so that oil can pass through the throttle plate 11, the aperture of a proper place in the oil distribution passage 4 is reduced by the throttle plate 11, when the oil passes through the throttle hole 12, the flow bundle can be thinned or contracted, the flow velocity of the first cross section of the flow bundle is maximum, the pressure of the flow bundle is greatly reduced, and the flow velocity is increased by additionally arranging the throttle plate 11.
As shown in fig. 1, further, it also includes,
the first plug 13 is arranged on the valve body 1, and the first plug 13 is arranged on the valve body 1;
one end of the first spring 14 acts on the first plug 13, the other end of the first spring 14 acts on the sliding block 7, and the first spring 14 is used for resetting the sliding block 7;
the second plug 15 is arranged on the valve body 1, and the second plug 15 is in contact with the sliding block 7 and used for limiting the maximum stroke of the sliding block 7.
In this embodiment, the valve body 1 is provided with the first plug 13 and the second plug 15, one end of the first spring 14 is connected to the first plug 13, and the other end is connected to the slider 7, after the slider 7 is pushed open by the oil, the oil is discharged, and after the completion, the slider 7 moves to the right by the elastic force of the first spring 14 until the other end of the slider 7 contacts the second plug 15, so as to complete the restoration.
As shown in fig. 1, further, it also includes,
the slide 7 is also provided with,
and one end of the second spring 16 acts on the valve core 9, the other end of the second spring 16 acts on the inner wall of the overflow cavity 8, and the second spring 16 is used for resetting the valve core 9.
In this embodiment, one end of the second spring 16 is connected to the valve core 9, and the other end is connected to the inner wall of the overflow chamber 8, when the valve core 9 is pushed by the oil to move to the right, the load flow passage 10 is communicated with the overflow chamber 8 to discharge the excess flow, and after the completion, the valve core 9 moves to the left again by the elastic force of the second spring 16 until the valve core 9 blocks the load flow passage 10 again.
As shown in fig. 1 to 3, further, it includes,
the third plug 17 is arranged on the valve body 1, the oil return path 5 is provided with two oil return ports 18, and the third plug 17 is used for plugging one of the oil return ports 18.
In this embodiment, an oil return path 5 is provided in the valve body 1, the oil return path 5 is communicated with an external oil tank, two ends of the oil return path 5 are provided with two oil return ports 18, one of the oil return ports 18 is blocked by a third plug 17, and the leaked oil is discharged from the other oil return port 18 and finally discharged into the oil tank to be used as circulating oil for further use.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The multi-path constant flow synchronous flow divider valve is characterized by comprising,
the oil-saving valve comprises a valve body (1), wherein the valve body (1) is provided with an oil inlet (2) and a plurality of oil outlets (3);
the valve body (1) is also internally provided with a valve,
the oil outlets (3) are respectively communicated with the oil inlet (2) to form a plurality of oil distribution paths (4);
the oil return path (5), the said oil return path (5) communicates with the outside;
each oil distribution channel (4) is communicated with one return cavity (6), and the return cavities (6) are communicated with the oil return channel (5);
the sliding block (7) is arranged in the backflow cavity (6) in a sliding mode, and is used for controlling the on-off of the backflow cavity (6) and the oil return path (5).
2. A multiple-way fixed-flow synchronous diverter valve according to claim 1, characterized in that said slider (7) also has,
the overflow cavity (8) is arranged in the sliding block (7), and the overflow cavity (8) is communicated with the return cavity (6);
the slide block (7) also comprises a slide block,
the valve core (9), the said valve core (9) is slipped and located in the said overflow cavity (8);
the valve body (1) is also provided with,
the oil distribution passage (4) is communicated with the overflow cavity (8) through the load flow passage (10), and the valve core (9) is used for plugging the load flow passage (10).
3. The multi-way fixed flow synchronous splitter valve of claim 1, further comprising,
the throttling piece (11) is arranged in each oil distributing channel (4), and the throttling piece (11) is provided with a throttling hole (12).
4. The multi-way fixed flow synchronous splitter valve of claim 1, further comprising,
the first plug (13), the first plug (13) is arranged on the valve body (1);
the first spring (14), one end of the first spring (14) acts on the first choke plug (13), the other end acts on the sliding block (7), and the first spring (14) is used for resetting the sliding block (7);
the second plug (15), the second plug (15) is located on the valve body (1), the second plug (15) with the slider (7) contact, be used for limiting the maximum stroke of slider (7).
5. The multiway fixed flow synchronous diverter valve according to claim 2, characterized in that the slider (7) further has,
one end of the second spring (16) acts on the valve core, the other end of the second spring (16) acts on the inner wall of the overflow cavity (8), and the second spring (16) is used for resetting the valve core (9).
6. The multi-way fixed flow synchronous splitter valve of claim 1, further comprising,
the third plug (17), the third plug (17) is located on the valve body (1), the oil return path (5) has two oil return openings (18), and the third plug (17) is used for plugging any one of the oil return openings (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121001001.XU CN214998534U (en) | 2021-05-11 | 2021-05-11 | Multi-way constant flow synchronous flow divider |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121001001.XU CN214998534U (en) | 2021-05-11 | 2021-05-11 | Multi-way constant flow synchronous flow divider |
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| Publication Number | Publication Date |
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| CN214998534U true CN214998534U (en) | 2021-12-03 |
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| CN202121001001.XU Active CN214998534U (en) | 2021-05-11 | 2021-05-11 | Multi-way constant flow synchronous flow divider |
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