CN111322284A - Slide valve type one-way overflow valve - Google Patents
Slide valve type one-way overflow valve Download PDFInfo
- Publication number
- CN111322284A CN111322284A CN202010144810.XA CN202010144810A CN111322284A CN 111322284 A CN111322284 A CN 111322284A CN 202010144810 A CN202010144810 A CN 202010144810A CN 111322284 A CN111322284 A CN 111322284A
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- Prior art keywords
- shell
- fixedly connected
- overflow groove
- inlet pipe
- water inlet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/024—Pressure relief valves
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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
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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
- F16K11/07—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 with cylindrical slides
- F16K11/0712—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 with cylindrical slides comprising particular spool-valve sealing means
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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
- F16K27/00—Construction of housing; Use of materials therefor
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Driven Valves (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to the field of overflow valves, in particular to a slide valve type one-way overflow valve which comprises a rectangular shell, wherein a sealing cover mechanism is arranged on the side wall of one side of the shell, a channel changing mechanism is fixedly arranged on the sealing cover mechanism, a water inlet pipe mechanism is fixedly connected to the upper surface of the shell, a sealing mechanism is fixedly arranged on the inner pipe wall of one end, close to the shell, of the water inlet pipe mechanism, and a separation-preventing mechanism is arranged inside the sealing mechanism. When one of the receiving containers is filled with liquid, the driving cylinder can be started to drive the piston rod to move, the piston rod drives the two sliding blocks to move synchronously while moving, so that the water outlet pipe corresponding to the filled liquid receiving container is closed, and the other water outlet pipe is opened to continue receiving, thereby avoiding the overflow valve from being closed in the using process and influencing the subsequent use of the overflow valve.
Description
Technical Field
The invention relates to the field of overflow valves, in particular to a slide valve type one-way overflow valve.
Background
The overflow valve is a hydraulic pressure control valve, mainly plays the roles of constant pressure overflow, pressure stabilization, system unloading and safety protection in hydraulic equipment, and can cause unnecessary external leakage due to the damage of an O-shaped sealing ring and a combined sealing ring or the loosening of an installation screw and a pipe joint when the overflow valve is assembled or used.
To the overflow valve that uses in the chemical plant, some important overflow valve pressure discharge passageways are only one usually, and its receiving container in one side is inside when filling, need close the overflow valve, and then change the receiving container of overflow valve outlet pipe department, can influence the use of overflow valve in this change process, reduce work efficiency, need provide a slide valve type one-way overflow valve to this.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a slide valve type one-way overflow valve.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a slide valve type one-way overflow valve, includes a shell that is the rectangle setting, be provided with a closing cap mechanism on the lateral wall of one side wherein of shell, fixed mounting has a mechanism of trading the way in the closing cap mechanism, the last fixed surface of shell is connected with a water inlet pipe mechanism, fixed mounting has one to seal the mechanism on the pipe wall in the one end that water inlet pipe mechanism is close to the shell, the inside of sealing the mechanism is provided with a separation-proof mechanism, fixedly connected with shell fixed establishment on the lateral wall of closing cap mechanism one side is kept away from to the shell.
Specifically, the capping mechanism comprises an overflow groove which is arranged in a cylindrical shape, the overflow groove is formed in the outer side wall of one side of the shell, a circle of threads are arranged at the notch of the overflow groove, a round block with threads arranged on the outer side wall is in threaded connection with the notch of the overflow groove, one end of the round block penetrates through the notch of the overflow groove and extends outwards, and a fixing plate is fixedly connected to the end, located outside the overflow groove, of the round block.
Specifically, the lane changing mechanism comprises a driving cylinder, the fixed cylinder is fixedly connected to the center of the side wall of the fixed plate far away from one side of the circular block, the output end of the driving cylinder is connected with a circular block of which the piston rod corresponds to the position of the piston rod in a sliding way and is provided with a piston hole together with the fixed plate in a penetrating way, the piston rod is far away from the one end that drives actuating cylinder and runs through the piston hole and extend to the overflow launder in, the one end fixedly connected with two sliding blocks that the piston rod is located the overflow launder and matches, a standing groove has all been seted up to the annular on two sliding blocks, equal fixedly connected with rubber seal ring in two standing grooves, the one end that two rubber seal ring kept away from the standing groove tank bottom all runs through the notch that corresponds the standing groove and extends to the overflow launder in, two one side lateral wall that the rubber seal ring is located the overflow launder all offsets with the cell wall of overflow launder.
Specifically, the water inlet pipe mechanism comprises a water inlet pipe, the water inlet pipe is fixedly connected to the center of the upper surface of the shell, the lower end opening of the water inlet pipe is communicated with the overflow groove, a connecting flange is fixedly sleeved at one end, away from the shell, of the water inlet pipe, four first threaded holes are formed in the connecting flange in a penetrating mode, and a first bolt is connected to each of the four first threaded holes in a threaded connection mode.
Specifically, the sealing mechanism comprises a grid screen plate, the grid screen plate is fixedly sleeved on an inner pipe wall of one end, close to the shell, of the water inlet pipe, a connecting rod is fixedly connected to the lower surface of the grid screen plate, the lower end of the connecting rod penetrates through a lower end opening of the water inlet pipe and extends into the overflow groove, a sealing block is slidably sleeved on a rod wall of one end, located in the overflow groove, of the connecting rod, the lower end of the sealing block is in a semicircular arrangement, a slope block in a triangular arrangement is fixedly connected to the rod wall, corresponding to the position of the sealing block, of the piston rod, the upper surface of the sealing block is fixedly connected with a spring, and the upper end of the spring is fixedly connected to.
Specifically, the anti-separation mechanism includes two locating pieces, two the locating piece is on the pole wall that the symmetry form fixedly connected with connecting rod is located the sealing block, corresponds two the sealing block that the locating piece is located is the symmetry form and has seted up two constant head tanks, two the one end that the connecting rod was kept away from to the locating piece all runs through the notch that corresponds the constant head tank and extends to in the constant head tank.
Specifically, shell fixed establishment includes four fixed blocks, four fixed block fixed connection is on the relative lateral wall of fixed plate one side is kept away from to the shell, four the fixed block all runs through and has seted up a second screw hole, four equal threaded connection has a second bolt in the second screw hole.
Specifically, the lower surface of the shell is fixedly connected with two water outlet pipes in a symmetrical shape relative to the water inlet pipe, the lower ends of the two water outlet pipes penetrate through the lower surface of the shell and extend downwards, and the sections of the two water outlet pipes which are difficult to scatter are communicated with the overflow groove.
The invention has the beneficial effects that:
(1) according to the slide valve type one-way overflow valve, when one receiving container is filled with liquid, the driving cylinder can be started to drive the piston rod to move, the piston rod drives the two sliding blocks to move synchronously while moving, so that the water outlet pipe corresponding to the filled liquid receiving container is closed, and meanwhile, the other water outlet pipe is opened to continue receiving, so that the overflow valve is prevented from being shut down in the using process and further influencing the subsequent use of the overflow valve.
(2) According to the slide valve type one-way overflow valve, the sealing block is pushed downwards by the elastic force of the spring, so that the water inlet pipe can discharge pressure release into the overflow groove, meanwhile, the movement of the piston rod can drive the slope block to move synchronously, the sealing block is jacked up through the slope block, the height of the sealing block is adjusted, the sealing block can seal the water inlet pipe and adjust the pressure release speed, and the overflow valve can work conveniently.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a slide valve type relief and check valve according to the present invention;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 of a slide type relief check valve according to the present invention;
FIG. 3 is a schematic side view of a spool type relief and check valve according to the present invention;
FIG. 4 is a schematic structural diagram of a water inlet pipe mechanism of a slide valve type one-way overflow valve provided by the invention;
fig. 5 is a side structural sectional view of a spool type relief and check valve according to the present invention.
In the figure: 1. a housing; 2. a capping mechanism; 21. an overflow trough; 22. a circular block; 23. a fixing plate; 3. a lane changing mechanism; 31. a driving cylinder; 32. a piston rod; 33. a piston bore; 34. a slider; 35. a placement groove; 36. a rubber sealing block; 4. a water inlet pipe mechanism; 41. a water inlet pipe; 42. a connecting flange; 43. a first threaded hole; 44. a first bolt; 5. a sealing mechanism; 51. a grid mesh plate; 52. a connecting rod; 53. a sealing block; 54. a slope block; 55. a spring; 6. a separation prevention mechanism; 61. positioning blocks; 62. positioning a groove; 7. a housing fixing mechanism; 71. a fixed block; 72. a second threaded hole; 73. a second bolt; 8. and (5) discharging a water pipe.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the slide valve type one-way overflow valve of the present invention comprises a housing 1 disposed in a rectangular shape, a sealing mechanism 2 is disposed on a sidewall of one side of the housing 1, a channel-changing mechanism 3 is fixedly disposed on the sealing mechanism 2, a water inlet pipe mechanism 4 is fixedly connected to an upper surface of the housing 1, a sealing mechanism 5 is fixedly disposed on an inner sidewall of one end of the water inlet pipe mechanism 4 close to the housing 1, an anti-separation mechanism 6 is disposed inside the sealing mechanism 5, a housing fixing mechanism 7 is fixedly connected to an outer sidewall of one side of the housing 1 away from the sealing mechanism 2, when in use, the housing 1 is fixed by the housing fixing mechanism 7, and two water outlet pipes 8 are replaced by the channel-changing mechanism 3, so that the overflow valve can operate all the time, and the pressure release speed of the overflow valve can be adjusted or sealed by the sealing mechanism 5, the operation of the overflow valve is convenient.
Wherein, the capping mechanism 2 comprises an overflow groove 21 arranged in a cylindrical shape, the overflow groove 21 is arranged on the outer side wall of one side of the housing 1, a circle of thread is arranged at the notch of the overflow groove 21, the notch of the overflow groove 21 is in threaded connection with a round block 22 with a thread on the outer side wall, one end of the round block 22 penetrates through the notch of the overflow groove 21 and extends outwards, one end of the round block 22 positioned outside the overflow groove 21 is fixedly connected with a fixing plate 23, the channel changing mechanism 3 comprises a driving cylinder 31, the fixing cylinder 31 is fixedly connected with the center of the side wall of the fixing plate 23 far away from the round block 22, the output end of the driving cylinder 31 is in sliding connection with the round block 22 of which a piston rod 32 is corresponding to the position of the piston rod 32 and is in common penetration with a piston hole 33 on the fixing plate 23, one end of the, the piston rod 32 is fixedly connected with two sliding blocks 34 matched with the overflow groove 21 at one end positioned in the overflow groove 21, two annular placing grooves 35 are formed in each sliding block 34, a rubber sealing ring 36 is fixedly connected in each placing groove 35, one end of each rubber sealing ring 36 far away from the bottom of each placing groove 35 penetrates through a notch of the corresponding placing groove 35 and extends into the overflow groove 21, the side walls of one side, positioned in the overflow groove 21, of each rubber sealing ring 36 are abutted against the groove wall of the overflow groove 21, the lower surface of the shell 1 is fixedly connected with two water outlet pipes 8 symmetrically relative to the water inlet pipe 41, the lower ends of the two water outlet pipes 8 penetrate through the lower surface of the shell 1 and extend downwards, the scattering sections of the two water outlet pipes 8 are communicated with the overflow groove 21, the connecting flange 42 is fixed through the matching of the first bolt 44 and the first threaded hole 43, and the water inlet pipe 41 is further fixed through, then, the connecting flange 42 is fixed by the matching of the first bolt 44 and the first threaded hole 43, and the water inlet pipe 41 is fixed by the connecting flange 42, when the receiving container corresponding to one of the water outlet pipes 8 is filled, the piston rod 32 can be driven by the driving cylinder 31, the piston rod 32 can drive the two sliding blocks 34 to move, so that one of the water outlet pipes 8 is opened, and the other water outlet pipe 8 is opened, so that the overflow valve can replace the receiving container without stopping operation.
Wherein, inlet tube mechanism 4 includes an inlet tube 41, inlet tube 41 fixed connection is in the center department of 1 upper surface of shell, the lower extreme opening and the overflow launder 21 of inlet tube 41 are linked together, inlet tube 41 keeps away from the fixed cover of the outer one end of shell 1 and has connect a flange 42, it has four first screw holes 43 to run through on the flange 42, equal threaded connection has a first bolt 44 in four first screw holes 43, fix flange 42 through the cooperation of first bolt 44 with first screw hole 43, and then fix inlet tube 41 through flange 42.
Wherein, the sealing mechanism 5 comprises a grid screen 51, the grid screen 51 is fixedly sleeved on the inner pipe wall of the water inlet pipe 41 near one end of the housing 1, the lower surface of the grid screen 51 is fixedly connected with a connecting rod 52, the lower end of the connecting rod 52 penetrates through the lower end opening of the water inlet pipe 41 and extends into the overflow groove 21, the rod wall of one end of the connecting rod 52 positioned in the overflow groove 21 is slidably sleeved with a sealing block 53, the lower end surface of the sealing block 53 is arranged in a semicircular shape, the rod wall of the piston rod 32 corresponding to the position of the sealing block 53 is fixedly connected with a slope block 54 arranged in a triangular shape, the upper surface of the sealing block 53 is fixedly connected with a spring 55, the upper end of the spring 55 is fixedly connected on the lower surface of the grid screen 51, the separation-proof mechanism 6 comprises two positioning blocks 61, the two positioning blocks 61 are fixedly, two positioning grooves 62 are symmetrically formed in the sealing block 53 corresponding to the two positioning blocks 61, one ends of the two positioning blocks 61, which are far away from the connecting rod 52, penetrate through the notches corresponding to the positioning grooves 62 and extend into the positioning grooves 62, the piston rod 32 moves to drive the slope block 54 to move, meanwhile, the spring 55 presses the sealing block 53 downwards, the sealing block 53 is enabled to be abutted against the slope block 54 all the time, the slope of the slope block 54 can be installed to adjust the height of the sealing block 53, the sealing block 53 can be controlled to seal the water inlet pipe 41, or the pressure release speed is adjusted, and the operation of the overflow valve is facilitated.
Wherein, shell fixed establishment 7 includes four fixed blocks 71, and four fixed block 71 fixed connection are on the relative lateral wall of shell 1 far away from fixed plate 23 one side, and four fixed blocks 71 all run through and have seted up a second screw hole 72, and equal threaded connection has a second bolt 73 in four second screw holes 72, fixes fixed block 71 through second bolt 73 and second screw hole 72, and then fixes shell 1 through four fixed blocks 71.
When the pressure relief valve is used, the connecting flange 42 is fixed through the matching of the first bolt 44 and the first threaded hole 43, the water inlet pipe 41 is fixed through the connecting flange 42, when a receiving container corresponding to one water outlet pipe 8 is filled with water, the piston rod 32 can be driven through the driving cylinder 31, the piston rod 32 can drive the two sliding blocks 34 to move, one water outlet pipe 8 is opened, the other water outlet pipe 8 is opened, the overflow valve can be replaced without stopping operation and abutting against the receiving container, the pressure relief valve is prevented from being influenced by stopping operation, meanwhile, the slope block 54 can be driven to move through the movement of the piston rod 32, and the sealing block 53 is pressed downwards by the spring 55, the sealing block 53 is always abutted against the slope block 54, the slope of the slope block 54 can be installed to adjust the height of the sealing block 53, and then the sealing block 53 can be controlled to seal the water inlet pipe 41, or the pressure release speed can be adjusted, so that the operation of the overflow valve is facilitated.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a slide valve type one-way overflow valve, includes that one is shell (1) that the rectangle set up, its characterized in that, be provided with a closing cap mechanism (2) on the lateral wall of shell (1) one side wherein, fixed mounting has one to trade way mechanism (3) on closing cap mechanism (2), the last fixed surface of shell (1) is connected with one and is advanced water piping mechanism (4), advance water piping mechanism (4) and be close to fixed mounting and have one to seal mechanism (5) on the one end inner tube wall of shell (1), the inside of sealing mechanism (5) is provided with one and prevents disengagement mechanism (6), fixedly connected with shell fixed establishment (7) on the lateral wall of closing cap mechanism (2) one side is kept away from in shell (1).
2. A spool-type relief and check valve according to claim 1, characterized in that: the capping mechanism (2) comprises an overflow groove (21) which is arranged in a cylindrical shape, the overflow groove (21) is formed in the outer side wall of one side of the shell (1), a circle of threads are arranged at the notch of the overflow groove (21), a round block (22) with threads on the outer side wall is in threaded connection with the notch of the overflow groove (21), one end of the round block (22) penetrates through the notch of the overflow groove (21) and extends outwards, and a fixing plate (23) is fixedly connected to one end, located outside the overflow groove (21), of the round block (22).
3. A spool-type relief and check valve according to claim 1, characterized in that: the lane changing mechanism (3) comprises a driving cylinder (31), the fixed cylinder (31) is fixedly connected to the center of the side wall of one side, away from the circular block (22), of the fixed plate (23), the output end of the driving cylinder (31) is slidably connected with a piston rod (32), the circular block (22) corresponding to the position of the piston rod (32) and the fixed plate (23) are jointly penetrated and provided with a piston hole (33), one end, away from the driving cylinder (31), of the piston rod (32) penetrates through the piston hole (33) and extends into the overflow groove (21), one end, located in the overflow groove (21), of the piston rod (32) is fixedly connected with two sliding blocks (34) matched with the overflow groove (21), two placing grooves (35) are annularly formed in the two placing grooves (34), and a rubber sealing ring (36) is fixedly connected in the two placing grooves (35), one end, far away from the bottom of the placing groove (35), of each of the two rubber sealing rings (36) penetrates through the notch of the corresponding placing groove (35) and extends into the overflow groove (21), and the side wall, located in the overflow groove (21), of one side of each of the two rubber sealing rings (36) is abutted to the wall of the overflow groove (21).
4. A spool-type relief and check valve according to claim 1, characterized in that: the water inlet pipe mechanism (4) comprises a water inlet pipe (41), the water inlet pipe (41) is fixedly connected to the center of the upper surface of the shell (1), the lower end opening of the water inlet pipe (41) is communicated with the overflow groove (21), one end, far away from the shell (1), of the water inlet pipe (41) is fixedly sleeved with a connecting flange (42), four first threaded holes (43) are formed in the connecting flange (42) in a penetrating mode, and a first bolt (44) is connected into the four first threaded holes (43) in a threaded mode.
5. A spool-type relief and check valve according to claim 1, characterized in that: the sealing mechanism (5) comprises a grid screen plate (51), the grid screen plate (51) is fixedly sleeved on the inner pipe wall of one end of the water inlet pipe (41) close to the shell (1), the lower surface of the grating net plate (51) is fixedly connected with a connecting rod (52), the lower end of the connecting rod (52) penetrates through the lower end opening of the water inlet pipe (41) and extends into the overflow trough (21), a sealing block (53) is sleeved on the rod wall of one end of the connecting rod (52) positioned in the overflow groove (21) in a sliding manner, the lower end surface of the sealing block (53) is arranged in a semicircular shape, a slope block (54) which is arranged in a triangular shape is fixedly connected on the rod wall of the piston rod (32) corresponding to the position of the sealing block (53), the upper surface of the sealing block (53) is fixedly connected with a spring (55), the upper end of the spring (55) is fixedly connected to the lower surface of the grid mesh plate (51).
6. A spool-type relief and check valve according to claim 1, characterized in that: prevent breaking away from mechanism (6) and include two locating pieces (61), two locating piece (61) are on the pole wall that symmetry form fixedly connected with connecting rod (52) is located sealed piece (53), correspond two sealed piece (53) that locating piece (61) are located are the symmetry form and seted up two constant head tanks (62), two the one end that connecting rod (52) were kept away from in locating piece (61) all runs through the notch that corresponds constant head tank (62) and extends to in constant head tank (62).
7. A spool-type relief and check valve according to claim 1, characterized in that: the shell fixing mechanism (7) comprises four fixing blocks (71), the four fixing blocks (71) are fixedly connected to opposite side walls, far away from one side of the fixing plate (23), of the shell (1), the four fixing blocks (71) are all penetrated and provided with a second threaded hole (72), and the four second threaded holes (72) are internally connected with a second bolt (73) in a threaded manner.
8. A spool-type relief and check valve according to claim 1, characterized in that: the lower surface of the shell (1) is fixedly connected with two water outlet pipes (8) symmetrically relative to the water inlet pipe (41), the lower ends of the two water outlet pipes (8) penetrate through the lower surface of the shell (1) and extend downwards, and the sections of the two water outlet pipes (8) which are difficult to scatter are communicated with the overflow groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010144810.XA CN111322284B (en) | 2020-03-04 | 2020-03-04 | Slide valve type one-way overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010144810.XA CN111322284B (en) | 2020-03-04 | 2020-03-04 | Slide valve type one-way overflow valve |
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| Publication Number | Publication Date |
|---|---|
| CN111322284A true CN111322284A (en) | 2020-06-23 |
| CN111322284B CN111322284B (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010144810.XA Active CN111322284B (en) | 2020-03-04 | 2020-03-04 | Slide valve type one-way overflow valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795031A (en) * | 2020-07-13 | 2020-10-20 | 孙洋洋 | Slide valve type one-way overflow valve |
| CN112664688A (en) * | 2020-12-23 | 2021-04-16 | 罗彬彬 | Safe material-control energy-saving type drain valve |
| CN114458659A (en) * | 2022-02-16 | 2022-05-10 | 南华大学 | High-pressure gas pressure micro-adjusting device |
| CN114458659B (en) * | 2022-02-16 | 2024-06-07 | 南华大学 | High-pressure gas pressure micro-regulating device |
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| CN202215792U (en) * | 2011-08-31 | 2012-05-09 | 浙江盾安禾田金属有限公司 | Slide valve type self-operated three-way change valve |
| KR101811869B1 (en) * | 2017-08-25 | 2017-12-22 | 주식회사 동남티에스 | Hydraulic oil supply device |
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| CN114458659B (en) * | 2022-02-16 | 2024-06-07 | 南华大学 | High-pressure gas pressure micro-regulating device |
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