CN114811067A

CN114811067A - Manual throttle valve with filtering capability

Info

Publication number: CN114811067A
Application number: CN202210492714.3A
Authority: CN
Inventors: 周喜勇; 夏建中; 徐中辉
Original assignee: Jiangsu Yidelong Petroleum Machinery Co ltd
Current assignee: Jiangsu Yidelong Petroleum Machinery Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-07-29

Abstract

The invention provides a manual throttle valve with a filtering function, which relates to the technical field of throttle valves and comprises a valve body and a filter pipe, wherein the filter pipe is arranged at the input end of the valve body and comprises a first sleeve and a second sleeve, clamping edges are respectively arranged at one end of the inner sides of the first sleeve and the second sleeve, a filter screen is arranged between the two groups of clamping edges, an armature ring is movably arranged in the first sleeve, a woven net is arranged in the armature ring, a dredging needle is arranged at one end of the woven net, and the dredging needle is matched with a filter hole of the filter screen; an outer sleeve is arranged on the outer side of the first sleeve; according to the invention, impurities in the liquid are filtered through the filter screen, after the liquid is filtered for a period of time, the energizing coil is energized to generate a magnetic field, and the armature ring is driven to move in the first sleeve pipe by utilizing the magnetism of the magnetic field, so that the dredging needle is inserted into the inner pore diameter of the filter screen to dredge, the use is convenient, and the performance of the filter screen is maintained for a long time.

Description

Manual throttle valve with filtering capability

Technical Field

The invention relates to the technical field of throttle valves, in particular to a manual throttle valve with a filtering function.

Background

The throttling valve is a valve for controlling the flow of fluid by changing the throttling cross section or the throttling length, the throttling valve and the one-way valve are connected in parallel to form the one-way throttling valve, the throttling valve and the one-way throttling valve are simple flow control valves, in a constant displacement pump hydraulic system, the throttling valve is matched with an overflow valve, three throttling speed regulating systems can be formed, namely an oil inlet path throttling speed regulating system, an oil return path throttling speed regulating system and a bypass throttling speed regulating system, the throttling valve has no flow negative feedback function, cannot compensate speed instability caused by load change, and is generally only used for occasions with little load change or low requirement on speed stability;

in the prior art, a simple filter screen is generally added in a pipeline for filtering, the filter screen is very easy to block, the pipeline needs to be frequently disassembled and replaced, and the problem is troublesome.

Disclosure of Invention

In order to solve the problems, the invention provides the manual throttle valve with the filtering function, which is used for dredging by inserting the dredging needle into the inner pore diameter of the filter screen, is convenient to use and is convenient for keeping the performance of the filter screen for a long time.

In order to realize the purpose of the invention, the invention is realized by the following technical scheme: a manual throttle valve with a filtering function comprises a valve body and a filter pipe, wherein the filter pipe is arranged at the input end of the valve body and comprises a first sleeve and a second sleeve, clamping edges are arranged at one ends of the inner sides of the first sleeve and the second sleeve respectively, a filter screen is arranged between the two groups of clamping edges, an armature ring is movably arranged in the first sleeve, a woven net is arranged in the armature ring, a dredging needle is arranged at one end of the woven net, and the dredging needle is matched with a filter hole of the filter screen;

the outside of first sleeve pipe is equipped with the outer tube, and the inside of outer tube is equipped with the electrical coil, the electrical coil is used for driving armature circle and removes.

The further improvement lies in that: one end of the second sleeve is provided with a threaded ring, one end of the first sleeve is provided with an embedded thread groove, and the threaded ring is matched with the embedded thread groove.

The further improvement lies in that: the lateral wall in the first sleeve pipe is provided with a guide groove, the outer side of the armature ring is provided with a guide bulge, and the guide bulge is matched with the guide groove.

The further improvement lies in that: the valve body includes valve casing and bull stick, the bull stick passes through the bearing and rotates the top of installing inside the valve casing, and the upper end of bull stick runs through the valve casing and is equipped with the knob.

The further improvement lies in that: the inside middle-end in valve casing is equipped with the drive storehouse, and the inside activity in drive storehouse is equipped with the push rod, the top in the push rod outside is equipped with the external screw thread, and the push rod upper end extends to the inside of bull stick, the inside of bull stick is equipped with the interior screw groove with external screw thread looks adaptation.

The further improvement lies in that: the lower extreme of push rod runs through out the drive storehouse, and runs through the department and be equipped with sealed piece, the inside one end in drive storehouse is equipped with the guide bar, the one end of push rod is equipped with the uide bushing with guide bar looks adaptation, the other end of push rod is equipped with the pointer, the inside one end of keeping away from the guide bar in drive storehouse is equipped with the scale with pointer looks adaptation, the drive storehouse is equipped with the visual window outward.

The further improvement lies in that: the middle-end of the inside below of valve casing is equipped with adjusts the chamber, and the both ends of the inside below of valve casing are equipped with feed liquor chamber and play liquid chamber respectively, feed liquor chamber with go out the liquid chamber all with adjust the chamber intercommunication, the lower extreme of push rod extends to the inside of adjusting the chamber, and the lower extreme of push rod is equipped with the case, the lower extreme of case is equipped with the wedge, it is equipped with the disk seat with case looks adaptation to adjust the below of intracavity portion.

The further improvement lies in that: the both ends of valve casing all are equipped with the connection pad, feed liquor chamber and play liquid chamber communicate respectively out both ends the connection pad, the both ends of filter tube all are equipped with the connecting pipe, and are equipped with the flange on the connecting pipe, the filter tube passes through the flange and fixes with the connection pad.

The further improvement is that: the bottom of valve casing is equipped with the aeration hole, and aeration hole and regulation chamber intercommunication, the inside in aeration hole is equipped with the retainer plate, and retainer plate top position department the downthehole fly leaf that articulates of aeration, the fly leaf below is equipped with the sealing plug of sealed retainer plate inner circle, be connected with the spring between the one end of fly leaf top and the lateral wall in aeration hole.

The beneficial effects of the invention are as follows:

1. according to the invention, impurities in the liquid are filtered through the filter screen, after the liquid is filtered for a period of time, the energizing coil is energized to generate a magnetic field, and the armature ring is driven to move in the first sleeve pipe by utilizing the magnetism of the magnetic field, so that the dredging needle is inserted into the inner pore diameter of the filter screen to dredge, the use is convenient, and the performance of the filter screen is maintained for a long time.

2. According to the invention, the rotating rod is rotated, the push rod is driven to move up and down by using the screw thread effect, so that the fit caliber of the valve core and the valve seat is changed, the water flow is regulated, in the process of regulating the push rod, the push rod is kept to vertically move by using the guide effect of the guide sleeve and the guide rod, the push rod cannot rotate, the abrasion to the sealing block is reduced in the lifting process, and the push rod is more durable and reliable.

3. The aeration nozzle can be connected with the aeration nozzle through the aeration hole to perform aeration cleaning on the interior of the adjusting cavity, when the aeration nozzle is inserted, only the sealing plug needs to be pushed open, so that the movable plate rotates, the aeration nozzle is pulled out after cleaning, the movable plate is automatically closed under the action of the spring, and the sealing plug seals the fixing ring, so that the use is more convenient.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the inside of the armature ring of the present invention;

FIG. 4 is a schematic view of the valve cartridge of the present invention;

FIG. 5 is a schematic view of the structure at position A of the present invention.

Wherein: 1. a first sleeve; 2. a second sleeve; 3. clamping the edges; 4. filtering with a screen; 5. an armature ring; 6. weaving a net; 7. dredging needles; 8. an outer sleeve; 9. an electrified coil; 10. a thread ring; 11. a guide groove; 12. a guide projection; 13. a valve housing; 14. a rotating rod; 15. a bearing; 16. a knob; 17. a driving bin; 18. a push rod; 19. an external thread; 20. a sealing block; 21. a guide bar; 22. a guide sleeve; 23. a pointer; 24. calibration; 25. a visual window; 26. an adjustment chamber; 27. a liquid inlet cavity; 28. a liquid outlet cavity; 29. a valve core; 30. a wedge block; 31. a valve seat; 32. connecting the disc; 33. a connecting pipe; 34. a flange; 35. an aeration hole; 36. a stationary ring; 37. a movable plate; 38. a sealing plug; 39. a spring.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

Example one

According to the drawings of fig. 1, 2 and 3, the embodiment provides a manual throttle valve with a filtering function, which includes a valve body and a filtering pipe, the filtering pipe is arranged at an input end of the valve body, the filtering pipe includes a first sleeve 1 and a second sleeve 2, one end of the inner side of each of the first sleeve 1 and the second sleeve 2 is provided with a clamping edge 3, a filter screen 4 is arranged between two groups of the clamping edges 3, an armature ring 5 is movably arranged in the first sleeve 1, a mesh grid 6 is arranged in the armature ring 5, one end of the mesh grid 6 is provided with a dredging needle 7, and the dredging needle 7 is matched with a filter hole of the filter screen 4;

the outside of first sleeve pipe 1 is equipped with outer tube 8, and the inside of outer tube 8 is equipped with circular telegram coil 9, circular telegram coil 9 is used for driving armature ring 5 and removes. During the use, locate to set up the filter tube at the feed liquor of valve body, in the feed liquor, filter through filter screen 4 impurity in to the liquid, after filtering a period, with circular telegram 9 circular telegrams production magnetic field, utilize the magnetism drive armature ring 5 in first sleeve pipe 1 removal in magnetic field to make dredge the needle 7 and insert the inside aperture of filter screen 4 and dredge.

One end of the second sleeve 2 is provided with a threaded ring 10, one end of the first sleeve 1 is provided with an embedded thread groove, and the threaded ring 10 is matched with the embedded thread groove. During the use, through rotating second sleeve 2, utilize the effect of fillet of screw 10 and embedded thread groove to dismantle second sleeve 2 and first sleeve 1 and open, the quick replacement filter screen 4 of being convenient for.

Be equipped with guide way 11 on the inside lateral wall of first sleeve pipe 1, the outside of armature ring 5 is equipped with direction arch 12, direction arch 12 with guide way 11 looks adaptation. During the use, will circular telegram coil 9 circular telegram and produce magnetic field, utilize the magnetism drive armature circle 5 in first sleeve pipe 1 removal in magnetic field for armature circle 5 removes more stably through the effect of direction arch 12 with guide way 11 looks adaptation.

Example two

According to fig. 1, 2, 4 and 5, the present embodiment provides a manual throttle valve with filtering function, which comprises a valve body and a filtering pipe, wherein the valve body comprises a valve housing 13 and a rotating rod 14, the rotating rod 14 is rotatably installed above the inside of the valve housing 13 through a bearing 15, and the upper end of the rotating rod 14 penetrates out of the valve housing 13 and is provided with a knob 16. The inside middle-end of valve casing 13 is equipped with drive storehouse 17, and the inside activity in drive storehouse 17 is equipped with push rod 18, the top in the push rod 18 outside is equipped with external screw thread 19, and the push rod 18 upper end extends to the inside of bull stick 14, the inside of bull stick 14 be equipped with the interior grooving of external screw thread 19 looks adaptation. The lower extreme of push rod 18 runs through out drive storehouse 17, and the department of running through is equipped with sealed piece 20, the inside one end in drive storehouse 17 is equipped with guide bar 21, the one end of push rod 18 is equipped with the uide bushing 22 with guide bar 21 looks adaptation, the other end of push rod 18 is equipped with pointer 23, the inside one end of keeping away from guide bar 21 in drive storehouse 17 is equipped with the scale 24 with pointer 23 looks adaptation, drive storehouse 17 is equipped with visual window 25 outward. The middle-end of the inside below of valve casing 13 is equipped with adjusts chamber 26, and the both ends of the inside below of valve casing 13 are equipped with feed liquor chamber 27 and play liquid chamber 28 respectively, feed liquor chamber 27 with go out liquid chamber 28 all with adjust 26 intercommunications in the chamber, the lower extreme of push rod 18 extends to the inside of adjusting chamber 26, and the lower extreme of push rod 18 is equipped with case 29, the lower extreme of case 29 is equipped with wedge 30, the inside below of adjusting chamber 26 is equipped with the disk seat 31 with case 29 looks adaptation. During the use, feed liquor through feed liquor chamber 27, go out liquid chamber 28, when adjusting, rotatory knob 16 drives bull stick 14 and rotates, utilize external screw thread 19, the screw action drive push rod 18 of interior screw groove reciprocates, change the agree with bore of case 29 and disk seat 31, adjust rivers, in the process that push rod 18 was adjusted, utilize the guide effect of uide bushing 22 and guide bar 21, keep push rod 18 vertical migration, the in-process reduces the wearing and tearing to sealed piece 20 that goes up and down, and simultaneously, at the in-process that push rod 18 goes up and down, utilize pointer 23 and scale 24 complex effect, the operating personnel of being convenient for from visual window 25 department learns the lift volume data of push rod 18 in real time, regulation and control are more accurate.

Both ends of valve casing 13 all are equipped with connection pad 32, feed liquor chamber 27 and play liquid chamber 28 communicate respectively out both ends connection pad 32, the both ends of filter tube all are equipped with connecting pipe 33, and are equipped with flange 34 on the connecting pipe 33, the filter tube passes through flange 34 and is fixed with connection pad 32. The installation or the disassembly is convenient.

The bottom of valve casing 13 is equipped with aeration hole 35, and aeration hole 35 and regulation chamber 26 intercommunication, the inside of aeration hole 35 is equipped with retainer plate 36, and retainer plate 36 top position department the aeration hole 35 is interior to articulate there is fly leaf 37, fly leaf 37 below is equipped with the sealing plug 38 of sealed retainer plate 36 inner circle, be connected with spring 39 between the one end of fly leaf 37 top and the lateral wall of aeration hole 35. When the aeration cleaning device is used, an aeration nozzle is inserted into the aeration hole 35 to perform aeration cleaning on the interior of the adjusting cavity 26, when the aeration nozzle is inserted, the sealing plug 38 is pushed open, so that the movable plate 37 rotates, the aeration nozzle is pulled out after cleaning, the movable plate 37 is driven to be automatically closed through the action of the spring 39, and the sealing plug 38 seals the fixing ring 36.

According to the invention, the filter pipe is arranged at the liquid inlet of the valve body, impurities in the liquid are filtered through the filter screen 4 when the liquid is fed, after the liquid is filtered for a period of time, the energizing coil 9 is energized to generate a magnetic field, and the armature ring 5 is driven to move in the first sleeve 1 by utilizing the magnetism of the magnetic field, so that the dredging needle 7 is inserted into the inner pore diameter of the filter screen 4 to dredge, the use is convenient, and the performance of the filter screen 4 is maintained for a long time. In addition, the second sleeve 2 and the first sleeve 1 can be detached by rotating the second sleeve 2 and utilizing the action of the thread ring 10 and the embedded thread groove, so that the filter screen 4 is convenient to replace, and the efficiency is higher. Meanwhile, the rotating rod 14 is rotated, the push rod 18 is driven to move up and down through the thread effect, so that the fit caliber of the valve core 29 and the valve seat 31 is changed, water flow is adjusted, in the adjusting process of the push rod 18, the push rod 18 is kept to move vertically through the guiding effect of the guide sleeve 22 and the guide rod 21, and the adjusting device is different from the rotating lifting of the valve core and a connecting structure in the prior art, the push rod 18 has the rotation stopping effect, cannot rotate, reduces the abrasion to the sealing block 20 in the lifting process, is more durable and reliable, can know lifting data of the push rod 18 in real time through the cooperation of the pointer 23 and the scale 24, and is more accurate in adjustment and control. In addition, the aeration hole 35 can be connected with an aeration nozzle to perform aeration cleaning on the interior of the adjusting cavity 26, when the aeration nozzle is inserted, only the sealing plug 38 needs to be pushed open, so that the movable plate 37 can rotate, the aeration nozzle is pulled out after cleaning, the movable plate 37 is automatically closed under the action of the spring 39, and the sealing plug 38 seals the fixing ring 36, so that the use is more convenient.

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, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a manual choke valve with filtering capability, includes valve body and filter tube, its characterized in that: the filter pipe is arranged at the input end of the valve body and comprises a first sleeve (1) and a second sleeve (2), clamping edges (3) are arranged at one ends of the inner sides of the first sleeve (1) and the second sleeve (2), a filter screen (4) is arranged between the two clamping edges (3), an armature ring (5) is movably arranged in the first sleeve (1), a woven net (6) is arranged in the armature ring (5), a dredging needle (7) is arranged at one end of the woven net (6), and the dredging needle (7) is matched with filter holes of the filter screen (4);

the outside of first sleeve pipe (1) is equipped with outer tube (8), and the inside of outer tube (8) is equipped with circular telegram coil (9), circular telegram coil (9) are used for driving armature circle (5) and remove.

2. The manual throttle valve having a filtering function according to claim 1, characterized in that: one end of the second sleeve (2) is provided with a threaded ring (10), one end of the first sleeve (1) is provided with an embedded thread groove, and the threaded ring (10) is matched with the embedded thread groove.

3. The manual throttle valve having a filtering function according to claim 1, characterized in that: be equipped with guide way (11) on the inside lateral wall of first sleeve pipe (1), the outside of armature circle (5) is equipped with direction arch (12), direction arch (12) with guide way (11) looks adaptation.

4. A manual throttle valve having a filtering function according to any one of claims 1 to 3, characterized in that: the valve body includes valve casing (13) and bull stick (14), bull stick (14) are rotated through bearing (15) and are installed in the inside top of valve casing (13), and the upper end of bull stick (14) runs through out valve casing (13) and is equipped with knob (16).

5. The manual throttle valve having a filtering function according to claim 4, characterized in that: the inside middle-end in valve casing (13) is equipped with drive storehouse (17), and the inside activity in drive storehouse (17) is equipped with push rod (18), the top in the push rod (18) outside is equipped with external screw thread (19), and push rod (18) upper end extends to the inside of bull stick (14), the inside of bull stick (14) is equipped with the interior screw groove with external screw thread (19) looks adaptation.

6. The manual throttle valve having a filtering function according to claim 5, characterized in that: the lower extreme of push rod (18) runs through drive storehouse (17), and runs through the department and be equipped with sealed piece (20), the inside one end in drive storehouse (17) is equipped with guide bar (21), the one end of push rod (18) is equipped with uide bushing (22) with guide bar (21) looks adaptation, the other end of push rod (18) is equipped with pointer (23), the inside one end of keeping away from guide bar (21) in drive storehouse (17) is equipped with scale (24) with pointer (23) looks adaptation, drive storehouse (17) are equipped with visual window (25) outward.

7. The manual throttle valve having a filtering function according to claim 6, characterized in that: the middle-end of the inside below of valve casing (13) is equipped with adjusts chamber (26), and the both ends of the inside below of valve casing (13) are equipped with feed liquor chamber (27) and play liquid chamber (28) respectively, feed liquor chamber (27) with play liquid chamber (28) all with adjust chamber (26) intercommunication, the lower extreme of push rod (18) extends to the inside of adjusting chamber (26), and the lower extreme of push rod (18) is equipped with case (29), the lower extreme of case (29) is equipped with wedge (30), the inside below of adjusting chamber (26) is equipped with disk seat (31) with case (29) looks adaptation.

8. The manual throttle valve having a filtering function according to claim 7, wherein: both ends of valve casing (13) all are equipped with connection pad (32), feed liquor chamber (27) and play liquid chamber (28) communicate out both ends respectively connection pad (32), the both ends of filter tube all are equipped with connecting pipe (33), and are equipped with flange (34) on connecting pipe (33), the filter tube passes through flange (34) and fixes with connection pad (32).

9. The manual throttle valve having a filtering function according to claim 7, characterized in that: the bottom of valve casing (13) is equipped with aeration hole (35), and aeration hole (35) and regulation chamber (26) intercommunication, the inside in aeration hole (35) is equipped with retainer plate (36), and retainer plate (36) top position department it has fly leaf (37) to articulate in aeration hole (35), fly leaf (37) below is equipped with sealing plug (38) of sealed retainer plate (36) inner circle, be connected with spring (39) between the lateral wall of the one end of fly leaf (37) top and aeration hole (35).