CN221054370U - High-flow overflow valve - Google Patents
High-flow overflow valve Download PDFInfo
- Publication number
- CN221054370U CN221054370U CN202322975630.8U CN202322975630U CN221054370U CN 221054370 U CN221054370 U CN 221054370U CN 202322975630 U CN202322975630 U CN 202322975630U CN 221054370 U CN221054370 U CN 221054370U
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- outer valve
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- 230000000149 penetrating effect Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 38
- 238000003780 insertion Methods 0.000 description 11
- 230000037431 insertion Effects 0.000 description 11
- 230000003139 buffering effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a high-flow overflow valve, and relates to the technical field of valve correlation. The hydraulic valve comprises an outer valve body, a hydraulic cavity, a piston II and a movable ring, wherein the piston II is movably connected to the lower part of the inner wall of the outer valve body, a pressure spring II is fixed at the top end of the piston II, the movable ring is fixed at the top end of the pressure spring II, the periphery of the movable ring is fixed on the inner wall of the outer valve body, the hydraulic cavity is fixed on the inner wall of the outer valve body above the movable ring, the piston I is movably connected in the hydraulic cavity, a pressure spring I is fixed at the top of the piston I, and the top end of the pressure spring I is fixed at the top of the inner wall of the hydraulic cavity. The utility model solves the problems that the high-flow overflow valve is easy to be damaged by impact due to no buffer effect and is easy to be damaged due to too frequent work by arranging the outer valve body, the hydraulic cavity, the piston II and the movable ring, and has the advantages that: the high-flow overflow valve can be well buffered, is not easy to damage, can well reduce the working times and reduces the loss.
Description
Technical Field
The utility model belongs to the technical field of valve correlation, and particularly relates to a high-flow overflow valve.
Background
The overflow valve has constant pressure overflow function: in a constant displacement pump throttle regulation system, a constant displacement pump provides a constant flow, which reduces the flow demand as the system pressure increases. At this moment, the overflow valve is opened to enable the surplus flow to overflow the oil tank, so as to ensure the inlet pressure of the overflow valve, namely the pump outlet pressure is constant (the valve port is always opened along with pressure fluctuation), in the operation process of the valve, the stability of the flow of the valve is required to be ensured, the adaptation of the flow can be realized, the assembly which is more convenient and applicable to use is required, the flow stability is ensured, but the following defects still exist in the actual use:
When the high-flow overflow valve works, the high-flow overflow valve needs to be subjected to the action of fluid, and in the process of conveying, the pressure in the fluid system is quickly increased and then can impact the fluid system, and in the process of impacting, the high-flow overflow valve is easily damaged by the impact generated by the fluid system;
When the high-flow overflow valve works again, fluid in the fluid system is led out and returned to original equipment under the action of corresponding pressure, when the high-flow overflow valve works, the valve is opened once the pressure of the fluid is increased, and the leading-out position is easily damaged due to the action of the pressure, so that the use is affected.
Disclosure of utility model
The utility model aims to provide a high-flow overflow valve, which solves the problems that the high-flow overflow valve is easy to be damaged by impact due to no buffer effect and is easy to damage due to too frequent work by arranging an outer valve body, a hydraulic cavity, a piston II and a movable ring.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a large-flow overflow valve which comprises an outer valve body, a hydraulic cavity, a piston II and a movable ring, wherein the lower part of the inner wall of the outer valve body is movably connected with the piston II, the top end of the piston II is fixedly provided with the pressure spring II, the top end of the pressure spring II is fixedly provided with the movable ring, the periphery side of the movable ring is fixedly arranged on the inner wall of the outer valve body, the inner wall of the outer valve body above the movable ring is fixedly provided with the hydraulic cavity, the piston I is movably connected in the hydraulic cavity, the top of the piston I is fixedly provided with the pressure spring I, the top end of the pressure spring I is fixedly arranged on the top of the inner wall of the hydraulic cavity, the piston II and the movable ring are fixedly arranged in the hydraulic cavity through the outer valve body during operation, the piston II is limited through the pressure spring II on the movable ring, and the piston II is matched with the pressure spring II for buffering.
Further, the lower part of outer valve body inner wall is fixed with the spacing ring, the spacing ring sets up in piston two below, the fixed orifices has been seted up in the top link up of outer valve body, and the outer valve body is when carrying out work, through the position of spacing ring restriction fixed orifices.
Further, the top of hydraulic pressure chamber is fixed with the transfer shell, the fixed intercommunication in top of well transfer shell has the output tube, the output tube link up and is fixed in the fixed orifices, and the hydraulic pressure chamber is when doing work, is transferred through the transfer shell, will output tube through the output tube.
Further, a one-way valve is fixedly arranged in the first piston in a penetrating way, the bottom of the transfer shell is fixedly communicated with a first insertion pipe, the first insertion pipe is fixedly arranged at the top of the hydraulic cavity in a penetrating way, and the bottom end of the first insertion pipe corresponds to the one-way valve, so that the first insertion pipe can jack up the one-way valve in use.
Further, the bottom of piston two is fixed with the guide disc, link up in the piston two and be fixed with the intubate two, the top swing joint of intubate two is in the hydraulic pressure chamber bottom, and the intubate two outsides of the bottom in the hydraulic pressure chamber are fixed with the cooperation cover, cooperation cover swing joint is in the outside of intubate two, and during the piston two is carrying out work, in leading the intubate two with fluid through the guide disc.
Further, the movable opening is formed in the center of the top of the movable ring in a penetrating mode, the second insertion pipe is arranged in the movable opening in a penetrating mode, and when the movable ring works, the second insertion pipe is movably arranged through the movable opening.
The utility model has the following beneficial effects:
According to the utility model, the problem that the high-flow overflow valve is easy to be damaged by impact due to no buffer effect is solved by arranging the outer valve body, the hydraulic cavity, the piston II and the movable ring, when the pressure in the fluid is too high, the fluid is impacted into the outer valve body if the impact is first conducted into the outer valve body, the guide disc at the bottom of the piston II is impacted, and is guided into the cannula II through the guide disc, the impact is guided onto the piston II, the pressure spring II is pushed, the impact of the fluid is removed, the piston II pushes the cannula II, the cannula II moves upwards, and the fluid is conveyed into the hydraulic cavity, so that the damage of the overflow valve caused by the impact of the fluid is better prevented.
The utility model solves the problem that the high-flow overflow valve is easy to damage due to too frequent work by arranging the outer valve body and the hydraulic cavity, after the fluid is conveyed into the hydraulic cavity, the fluid pressure pushes the first piston to rise, when the first piston works, the fluid below the first piston is prevented from being guided into the hydraulic cavity above the first piston through the one-way valve, and is inserted into the first piston through the first cannula, and after the one-way valve is jacked, the fluid below the first piston is guided into the first cannula and then is guided into the transfer shell, and is guided into the output pipe through the transfer shell to be output, and when the first pressure spring ensures the use, the first cannula can convey the fluid only under the action of proper fluid pressure, so that the fluid has an overflow accommodating space, and the high-flow overflow valve is better prevented from being damaged too frequently during the work.
Drawings
FIG. 1 is a perspective view of a high flow overflow valve assembly;
FIG. 2 is a perspective view of the outer valve body structure;
FIG. 3 is a perspective view of the hydraulic chamber structure;
FIG. 4 is a perspective view of a piston II;
Fig. 5 is a perspective view of a movable ring structure.
Reference numerals:
1. An outer valve body; 101. a limiting ring; 102. a fixing hole; 2. a hydraulic chamber; 201. a matching sleeve; 202. a first piston; 203. a one-way valve; 204. a first compression spring; 205. a first cannula; 206. a transfer shell; 207. an output pipe; 3. a second piston; 301. a guide plate; 302. a second cannula; 4. a movable ring; 401. a movable opening; 402. and a second compression spring.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-5, the present utility model is a large-flow overflow valve, which comprises an outer valve body 1, a hydraulic cavity 2, a piston two 3 and a movable ring 4, wherein the lower part of the inner wall of the outer valve body 1 is movably connected with the piston two 3, the bottom of the outer valve body 1 is fixed at the outer side of a corresponding pipeline and is communicated with the corresponding pipeline when the outer valve body works, the piston two 3 provides primary buffering for fluid, the top end of the piston two 3 is fixed with a pressure spring two 402, the pressure spring two 402 provides primary buffering for fluid when the pressure spring two 402 works, the top end of the pressure spring two 402 is fixed with the movable ring 4, the periphery of the movable ring 4 is fixed on the inner wall of the outer valve body 1, the pressure spring two 402 is connected on the inner wall of the outer valve body 1 through the movable ring 4 when the pressure spring two 402 works, the inner wall of the outer valve body 1 above the movable ring 4 is fixed with the hydraulic cavity 2 when the hydraulic cavity 2 works, the hydraulic cavity 2 is in transit of overflow fluid when the hydraulic cavity 2 is movably connected with a piston one 202, the top of the piston one 202 is fixed at the top of the piston one 204 is fixed at the top of the inner wall of the hydraulic cavity 2, the top of the pressure spring 204 is fixed at the top of the inner wall of the hydraulic cavity 2 when the piston one works, and the pressure is controlled by the pressure spring 204.
As shown in fig. 1, 2 and 4, a limiting ring 101 is fixed at the lower part of the inner wall of the outer valve body 1, the limiting ring 101 is disposed below the second piston 3, a fixing hole 102 is formed through the top of the outer valve body 1, and when the outer valve body 1 works, the position of the second piston 3 in the outer valve body 1 is limited by the limiting ring 101, and an output pipe 207 is fixed by the fixing hole 102.
As shown in fig. 1-3, a transfer shell 206 is fixed on the top of the hydraulic chamber 2, an output pipe 207 is fixedly connected to the top of the transfer shell 206, the output pipe 207 is fixed in the fixing hole 102 in a penetrating manner, when the hydraulic chamber 2 works, fluid in the hydraulic chamber is transferred through the transfer shell 206, and the fluid transferred in the transfer shell 206 is led out through the output pipe 207.
As shown in fig. 1 and 3, a check valve 203 is fixedly arranged in the first piston 202 in a penetrating manner, a first insertion pipe 205 is fixedly communicated with the bottom of the middle rotary shell 206, the first insertion pipe 205 is fixedly arranged at the top of the hydraulic cavity 2 in a penetrating manner, the bottom end of the first insertion pipe 205 corresponds to the position of the check valve 203, when the first piston 202 works, fluid below the first piston is prevented from being guided into the hydraulic cavity 2 above the first piston through the check valve 203, the first insertion pipe 205 is inserted into the first piston 202, and after the check valve 203 is jacked up, the fluid below the first piston 202 is guided into the first insertion pipe 205 and then into the middle rotary shell 206 when the first piston is used.
As shown in fig. 1 and 4, a guiding disc 301 is fixed at the bottom of the second piston 3, a second cannula 302 is fixedly penetrating through the second piston 3, the top end of the second cannula 302 is movably connected to the bottom of the hydraulic cavity 2, a matching sleeve 201 is fixed at the outer side of the second cannula 302 at the bottom of the hydraulic cavity 2, the matching sleeve 201 is movably connected to the outer side of the second cannula 302, the second piston 3 guides fluid into the second cannula 302 through the guiding disc 301 and then guides the fluid into the hydraulic cavity 2 through the second cannula 302, and the hydraulic cavity 2 is movably connected with the second cannula 302 through the matching sleeve 201.
As shown in fig. 1 and 5, a movable opening 401 is formed in the center of the top of the movable ring 4 in a penetrating manner, a second cannula 302 is arranged in the movable opening 401 in a penetrating manner, and the movable ring 4 is movably provided with the second cannula 302 through the movable opening 401.
The specific working principle of the utility model is as follows: in operation, if the pressure in the fluid is too high, the fluid is impacted, the first impact is guided into the outer valve body 1, the guide disc 301 at the bottom of the second piston 3 is impacted, the guide disc 301 is guided into the first cannula 302, the impact is guided onto the second piston 3, the second compression spring 402 is pushed, the fluid impact is removed, the second piston 3 pushes the second cannula 302, the second cannula 302 moves upwards, after the fluid is conveyed into the hydraulic cavity 2, the fluid pressure pushes the first piston 202 to rise, the first piston 202 is prevented from being guided into the hydraulic cavity 2 above the first piston 202 through the one-way valve 203 when in operation, the first piston 202 is inserted into the first cannula 205 through the first cannula 205, after the one-way valve 203 is pushed up, the fluid below the first piston 202 is guided into the first cannula 205 and then guided into the transfer shell 206, the fluid is guided into the output pipe 207 through the transfer shell 206, and the pressure spring 205 can only be enabled to convey the fluid under the action of proper fluid pressure when the first cannula 204 is ensured to be used.
The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.
Claims (6)
1. The utility model provides a large-traffic overflow valve, includes outer valve body (1), hydraulic pressure chamber (2), piston two (3) and expansion ring (4), its characterized in that: the lower part swing joint of outer valve body (1) inner wall has piston two (3), the top of piston two (3) is fixed with pressure spring two (402), the top of pressure spring two (402) is fixed with expansion ring (4), the week side of expansion ring (4) is fixed on outer valve body (1) inner wall, be fixed with hydraulic pressure chamber (2) on outer valve body (1) inner wall of expansion ring (4) top, swing joint has piston one (202) in hydraulic pressure chamber (2), the top of piston one (202) is fixed with pressure spring one (204), the top of pressure spring one (204) is fixed at the top of hydraulic pressure chamber (2) inner wall.
2. A high flow relief valve as claimed in claim 1, wherein: the lower part of the inner wall of the outer valve body (1) is fixedly provided with a limiting ring (101), the limiting ring (101) is arranged below the piston II (3), and the top of the outer valve body (1) is provided with a fixing hole (102) in a penetrating way.
3. A high flow relief valve as claimed in claim 2, wherein: the top of hydraulic pressure chamber (2) is fixed with transfer shell (206), the fixed intercommunication in top of transfer shell (206) has output tube (207), output tube (207) link up and fix in fixed orifices (102).
4. A high flow relief valve according to claim 3 wherein: the piston I (202) is internally communicated and fixed with a one-way valve (203), the bottom of the transfer shell (206) is fixedly communicated with a cannula I (205), the cannula I (205) is communicated and fixed at the top of the hydraulic cavity (2), and the bottom end of the cannula I (205) corresponds to the one-way valve (203).
5. A high flow relief valve as claimed in claim 1, wherein: the bottom of piston two (3) is fixed with guide disc (301), link up in piston two (3) and be fixed with intubate two (302), the top swing joint of intubate two (302) is in hydraulic pressure chamber (2) bottom, and the intubate two (302) outside of the interior bottom of hydraulic pressure chamber (2) is fixed with cooperation cover (201), cooperation cover (201) swing joint is in the outside of intubate two (302).
6. A high flow relief valve according to claim 5 wherein: the center of the top of the movable ring (4) is provided with a movable opening (401) in a penetrating way, and the second cannula (302) is arranged in the movable opening (401) in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322975630.8U CN221054370U (en) | 2023-11-03 | 2023-11-03 | High-flow overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322975630.8U CN221054370U (en) | 2023-11-03 | 2023-11-03 | High-flow overflow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221054370U true CN221054370U (en) | 2024-05-31 |
Family
ID=91202091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322975630.8U Active CN221054370U (en) | 2023-11-03 | 2023-11-03 | High-flow overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221054370U (en) |
-
2023
- 2023-11-03 CN CN202322975630.8U patent/CN221054370U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |