CN212643644U - Two-position three-way ball valve - Google Patents
Two-position three-way ball valve Download PDFInfo
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- CN212643644U CN212643644U CN202021275564.3U CN202021275564U CN212643644U CN 212643644 U CN212643644 U CN 212643644U CN 202021275564 U CN202021275564 U CN 202021275564U CN 212643644 U CN212643644 U CN 212643644U
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Abstract
The utility model discloses a two-position three-way ball valve, which comprises a handle, a valve body and a hollow spherical valve core; the handle is arranged outside the valve body, the hollow spherical valve core is arranged inside the valve body, and the handle is fixedly connected with the hollow spherical valve core through the valve rod; the valve body is provided with an oil inlet, an oil outlet and an external channel; three channels which are distributed in a T shape are arranged on the hollow spherical valve core; the handle is rotated to enable the hollow spherical valve core to conduct the oil inlet and the oil outlet when in a first working position, conduct the external channel and the oil outlet when in a second working position, and conduct the external channel and the oil inlet when in a third working position. The two-position three-way ball valve is further provided with a pressure release valve, an oil drainage nozzle and a pressure release channel, the pressure release channel is communicated with the three channels distributed in a T shape and the oil drainage nozzle, and the pressure release valve is arranged on the pressure release channel. The utility model discloses a two three-way valves can be before the work position switches the pressure release, the switching of the work position of convenient two three-way valves, convenient operation.
Description
Technical Field
The utility model belongs to the technical field of hydraulic pressure, especially, relate to a two tee bend ball valves.
Background
In a hydraulic system of a motor vehicle, an interface for external intervention is usually provided in order to provide an oil supply pressure for emergency intervention in the event of a fault, so that subsequent operation can be continued. However, the hydraulic ball valve in the hydraulic system in the prior art is in a high-pressure state during normal operation, and when an oil source and an external interface need to be connected, the internal high pressure needs to be overcome during oil circuit switching due to the high pressure inside the hydraulic ball valve, so that the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the two-position three-way ball valve can be immediately connected with an external oil source, eliminates internal oil pressure and is used for emergency rescue in faults; the emergency oil supply device can also be immediately communicated with a hydraulic system in a fault vehicle, internal oil pressure is eliminated, an emergency oil source is provided for the fault vehicle, and the emergency oil supply device can be used for quickly rescuing.
The technical scheme of the utility model is that:
a two-position three-way ball valve comprises a handle, a valve rod, a valve body and a hollow spherical valve core; the handle is arranged outside the valve body, the hollow spherical valve core is arranged inside the valve body, and the handle is fixedly connected with the hollow spherical valve core through a valve rod; the valve body is provided with an oil inlet, an oil outlet and an external channel; three channels which are distributed in a T shape are arranged on the hollow spherical valve core; the handle is rotated to enable the hollow spherical valve core to be in a first working position, and the oil inlet and the oil outlet are communicated; the handle is rotated to enable the hollow spherical valve core to be in a second working position, and the external channel and the oil outlet are communicated; the handle is rotated to enable the hollow spherical valve core to be in a third working position, and the external channel and the oil inlet are communicated; the two-position three-way ball valve is further provided with a pressure release valve, an oil drainage nozzle and a pressure release channel, the pressure release channel is communicated with the three channels distributed in a T shape and the oil drainage nozzle, and the pressure release valve is arranged on the pressure release channel.
The utility model discloses a two three-way valves are the three channels that T type distributes through setting up on hollow spherical case to set up the pressure release passageway intercommunication be the three channels that T type distributes with the draining mouth, and set up the relief valve on the pressure release passageway. Therefore, before the working positions are switched, the pressure release valve can be opened firstly, so that the pressure release channel is smooth, the three channels distributed in a T shape and the oil release nozzle are communicated for pressure release, so that the inside of the two three-way valves is recovered to the normal pressure state from high pressure, and then the working positions are switched by rotating the handle, so that the switching operation is convenient. When emergency rescue or rescue is carried out in a fault, the reaction is quick and the operation is convenient.
Preferably, the pressure relief valve comprises an adjusting handwheel, a valve seat, a valve plug, a thimble, a transition pipe, a valve and a spring; the valve body is provided with a pressure relief valve mounting hole, and the valve seat is mounted in the pressure relief valve mounting hole; the valve seat is a hollow shell, the adjusting hand wheel is provided with a hand wheel and a screw rod which are fixedly connected, and the screw rod is screwed into the cavity of the valve seat from one end of the valve seat through threads; the other end of the valve seat is hermetically connected with the transition pipe, a valve plug is hermetically and slidably mounted in a cavity of the valve seat, and a thimble which is slidably inserted into the transition pipe is fixed on the valve plug; a valve is arranged at one end of the transition pipe, which is far away from the valve seat, and the valve is pressed on the valve body through the spring; the screw rod rotates to push the valve plug, so that the thimble pushes the valve open against the elastic force of the spring and opens the pressure relief channel; the screw rod rotates reversely, and the spring rebounds to push and close the valve, so that the pressure relief channel is closed.
The utility model discloses a two three-way valves use above-mentioned relief valve, and this relief valve can realize quick pressure release through adjusting hand wheel regulation.
Preferably, an external channel valve is installed on the external channel. The installation external channel valve can make two three-way valves normally work, closes the external channel valve, prevents external pollution.
The utility model has the advantages that:
the utility model discloses a two three-way valves come to carry out the pressure release to two three-way valves of high pressure state through the pressure release passageway that sets up and hollow spherical case intercommunication and install the relief valve on the pressure release passageway, eliminate the inside oil pressure of two three-way valves, make things convenient for the switching of the work position of two three-way valves, easy operation.
Drawings
Fig. 1 is the three-dimensional structure schematic diagram of the two-position three-way ball valve of the present invention.
Fig. 2 is a front view of the two-position three-way ball valve of the present invention.
Fig. 3 is a sectional view of a-a of fig. 2 when the two-position three-way ball valve of the present invention is in a normal working state.
Fig. 4 is the D-D cross-sectional view of fig. 2 when the two-position three-way ball valve of the present invention is in the normal working state.
Fig. 5 is a sectional view B-B of fig. 2.
Fig. 6 is a cross-sectional view C-C of fig. 5.
Fig. 7 is a schematic structural diagram of the pressure release valve.
Fig. 8 is a working principle diagram of the two-position three-way ball valve of the present invention.
Fig. 9 is a D-D sectional view of fig. 2 when the two-position three-way ball valve of the present invention is in the rescue operation state.
Fig. 10 is a D-D sectional view of fig. 2 when the two-position three-way ball valve of the present invention is in the rescue operation state.
In the figure: 1. a handle; 2. a valve body; 21. a valve stem; 22. a relief valve mounting hole; 3. a hollow spherical valve core; 31. three channels in T-shaped distribution; 4. an oil inlet; 5. an oil outlet; 6. connecting a channel externally; 61. a valve of an external channel; 7. a pressure relief valve; 71. adjusting a hand wheel; 711. a hand wheel; 712. a screw; 72. a valve seat; 73. a valve plug; 74. a thimble; 75. a transition duct; 76. a shutter; 77. a spring; 8. an oil drainage nozzle; 9. a pressure relief channel; 10. an actuator; 11. power source and control system.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and accompanying drawings.
A two-position three-way ball valve is shown in figures 1 and 2 and comprises a handle 1, a valve rod 21, a valve body 2 and a hollow spherical valve core 3; the handle 1 is arranged outside the valve body 2, the hollow spherical valve core 3 is arranged inside the valve body 2, and the handle 1 is fixedly connected with the hollow spherical valve core 3 through a valve rod 21; an oil inlet 4, an oil outlet 5 and an external channel 6 are arranged on the valve body 2; the hollow spherical valve core 3 is provided with three channels 31 distributed in a T shape; when the handle 1 is rotated to enable the hollow spherical valve core 3 to be at a first working position, the three channels 31 distributed in a T shape are communicated with the oil inlet 4 and the oil outlet 5; when the handle 1 is rotated to enable the hollow spherical valve core 3 to be at a second working position, the three channels 31 distributed in a T shape are communicated with the external channel 6 and the oil outlet 5; when the handle 1 is rotated to enable the hollow spherical valve core 3 to be at a third working position, the three channels 31 distributed in a T shape are communicated with the external channel 6 and the oil inlet 4; the two-position three-way ball valve is further provided with a pressure release valve 7, an oil drainage nozzle 8 and a pressure release channel 9, the pressure release channel 9 is communicated with the three channels 31 distributed in a T shape and the oil drainage nozzle 8, and the pressure release valve 7 is arranged on the pressure release channel 9.
The utility model discloses a two tee bend ball valve theory of operation do:
when the hydraulic system of car is in normal work, as shown in fig. 3, fig. 4, fig. 5, fig. 6, fig. 8, the utility model discloses a two three-way ball valve hollow ball case 3 is connected at first work position, is the three channel 31 of T type distribution oil inlet 4 with oil-out 5 makes both switch on, and at this moment, external passageway 6 with be the three channel 31 of T type distribution and do not switch on, power supply and 11 control executive component 10 of control system move.
When the automobile hydraulic system breaks down and needs external rescue, the hollow spherical valve core 3 needs to be rotated to change the direction of the three channels 31 in T-shaped distribution to enable the external channel 6 to be communicated with the oil outlet 5, and therefore the external power source can be connected. At this time, because the interior of the two-position three-way ball valve is in a high-pressure state during normal work, if the handle 1 is directly rotated to adjust the hollow spherical valve core 3 to change the direction of the three channels 31 in T-shaped distribution, the internal high pressure must be overcome, so the operation is difficult. The technical proposal of the utility model is that a pressure relief valve 7, an oil drainage mouth 8 and a pressure relief channel 9 are arranged, the pressure relief channel 9 is communicated with a three-channel 31 which is distributed in a T shape and the oil drainage mouth 8, the pressure relief valve 7 is arranged on the pressure relief channel 9, thus, after the butt joint of an external channel 6 and a hydraulic system for external rescue is completed, the pressure relief valve 7 is firstly opened, the pressure relief channel 9 is opened, the three-channel 31 which is distributed in a T shape is communicated with the oil drainage mouth 8, at the moment, hydraulic oil in a hollow spherical valve core 3 of a two-position three-way ball valve is led out through the oil drainage mouth 8, after the internal pressure of the two-position three-way ball valve is recovered to a normal pressure state, the pressure relief valve 7 is closed, a handle 1 is rotated to ensure that the hollow spherical valve core 3 is in a second working position as shown in figure 9, external rescue can be performed.
When the automobile rescues other external hydraulic systems, the hollow spherical valve core 3 needs to be rotated to change the direction of the three channels 31 distributed in the T shape so that the external channel 6 is communicated with the oil inlet 4, and the external hydraulic systems needing to be rescued can be connected. At this time, because the interior of the two-position three-way ball valve is in a high-pressure state during normal work, if the handle is directly rotated to adjust the hollow spherical valve core 3 to change the direction of the three channels 31 in T-shaped distribution, the internal high pressure must be overcome, so the operation is difficult. The technical proposal of the utility model is that a pressure relief valve 7, an oil drainage mouth 8 and a pressure relief channel 9 are arranged, the pressure relief channel 9 is communicated with a three-channel 31 which is distributed in a T shape and the oil drainage mouth 8, the pressure relief valve 7 is arranged on the pressure relief channel 9, thus, after the butt joint of an external channel 6 and an external hydraulic system to be rescued is completed, the pressure relief valve 7 is firstly opened, the pressure relief channel 9 is opened, the three-channel 31 which is distributed in a T shape is communicated with the oil drainage mouth 8, as shown in figure 10, at the moment, hydraulic oil in a hollow spherical valve core 3 of a two-position three-way ball valve is led out through the oil drainage mouth 8, after the internal pressure of the two-position three-way ball valve is recovered to a normal pressure state, the pressure relief valve 7 is closed, a handle 1 is rotated to ensure that the hollow spherical valve core 3 is in a third working position, at the moment, the external channel 6, and carrying out external application of aid.
The two-position three-way ball valve of the utility model is provided with a pressure relief valve, as shown in figure 5; preferably, the pressure relief valve is shown in fig. 7 and comprises an adjusting handwheel 71, a valve seat 72, a valve plug 73, a thimble 74, a transition pipe 75, a valve 76 and a spring 77; a pressure relief valve mounting hole 22 is formed in the valve body 2, and the valve seat 72 is mounted in the pressure relief valve mounting hole 22; the valve seat 72 is a hollow shell, the adjusting handwheel 71 is provided with a handwheel 711 and a screw 712 which are fixedly connected, and the screw 712 is screwed into the cavity of the valve seat 72 from one end of the valve seat 72; the other end of the valve seat 72 is hermetically connected with the transition pipe 75, a valve plug 73 is hermetically and slidably mounted in a cavity of the valve seat 72, and an ejector pin 74 which is slidably inserted into the transition pipe 75 is fixed on the valve plug 73; a valve 76 is mounted at one end of the transition pipe 75 far away from the valve seat 72, and the valve 76 is pressed on the valve body 2 through the spring 77; the screw 712 rotates to push the valve plug 73, so that the thimble 74 pushes the valve 76 away against the elastic force of the spring 77, and the pressure relief channel 9 is opened; the screw 712 rotates in the opposite direction, and the spring 77 rebounds to push the shutter 76 to be closed, thereby closing the pressure relief channel 9.
The utility model discloses a two three-way valves are when needing the pressure release, hand wheel 711 on the adjusting handwheel 71 of rotatory relief valve 7 for screw 712 is to the inside rotation of disk seat 72, and screw 712 promotes thimble 74 on the valve plug 73 and slides in transition pipe 75 and pushes up to valve 76, and pressure release passageway 9 is opened to the elasticity that spring 77 was overcome to valve 76, thereby can accomplish the pressure release smoothly. When the pressure relief is completed, the hand wheel 711 on the adjusting hand wheel 71 of the pressure relief valve 7 is rotated in the opposite direction, so that the screw 712 rotates toward the outside of the valve seat 72, and the valve 76 presses the thimble 74 to close the pressure relief passage 9 under the elastic force of the spring 77.
Preferably, the external passage 6 is provided with an external passage shutter 61. The installation external channel valve can make two three-way valves normally work, closes the external channel valve, prevents external pollution.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the respective technical features described above may be combined with each other as long as they do not conflict with each other. In addition, the above embodiments are only some embodiments, not all embodiments, and all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention based on the embodiments of the present invention.
Claims (3)
1. A two-position three-way ball valve comprises a handle, a valve rod, a valve body and a hollow spherical valve core;
the handle is arranged outside the valve body, the hollow spherical valve core is arranged inside the valve body, and the handle is fixedly connected with the hollow spherical valve core through the valve rod;
the valve body is provided with an oil inlet, an oil outlet and an external channel; the hollow spherical valve core is provided with three channels distributed in a T shape, and the handle is rotated to enable the hollow spherical valve core to be in a first working position, so that the oil inlet and the oil outlet are communicated; the handle is rotated to enable the hollow spherical valve core to be in a second working position, and the external channel and the oil outlet are communicated; the handle is rotated to enable the hollow spherical valve core to be in a third working position, and the external channel and the oil inlet are communicated;
the two-position three-way ball valve is characterized in that the two-position three-way ball valve is further provided with a pressure release valve, an oil drainage nozzle and a pressure release channel, the pressure release channel is communicated with the three channels which are distributed in a T shape and the oil drainage nozzle, and the pressure release valve is arranged on the pressure release channel.
2. The two-position three-way ball valve according to claim 1, wherein the pressure relief valve comprises a regulating handwheel, a valve seat, a valve plug, a thimble, a transition pipe, a valve and a spring;
the valve body is provided with a pressure relief valve mounting hole, and the valve seat is mounted in the pressure relief valve mounting hole; the valve seat is a hollow shell, the adjusting hand wheel is provided with a hand wheel and a screw rod which are fixedly connected, and the screw rod is screwed into the cavity of the valve seat from one end of the valve seat through threads; the other end of the valve seat is hermetically connected with the transition pipe, a valve plug is hermetically and slidably mounted in a cavity of the valve seat, and a thimble which is slidably inserted into the transition pipe is fixed on the valve plug;
a valve is arranged at one end of the transition pipe, which is far away from the valve seat, and the valve is pressed on the valve body through the spring; the screw rod rotates to push the valve plug, so that the thimble pushes the valve open against the elastic force of the spring and opens the pressure relief channel; the screw rod rotates reversely, and the spring rebounds to push and close the valve, so that the pressure relief channel is closed.
3. The two-position three-way ball valve as claimed in claim 1, wherein an external channel valve is mounted on the external channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021275564.3U CN212643644U (en) | 2020-06-30 | 2020-06-30 | Two-position three-way ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021275564.3U CN212643644U (en) | 2020-06-30 | 2020-06-30 | Two-position three-way ball valve |
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| Publication Number | Publication Date |
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| CN212643644U true CN212643644U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021275564.3U Active CN212643644U (en) | 2020-06-30 | 2020-06-30 | Two-position three-way ball valve |
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| CN (1) | CN212643644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275911A (en) * | 2021-12-14 | 2022-04-05 | 范小燕 | Environment-friendly dust removal aeration equipment for water treatment |
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2020
- 2020-06-30 CN CN202021275564.3U patent/CN212643644U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275911A (en) * | 2021-12-14 | 2022-04-05 | 范小燕 | Environment-friendly dust removal aeration equipment for water treatment |
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