CN219866276U - Stop valve convenient to adjust flow - Google Patents
Stop valve convenient to adjust flow Download PDFInfo
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- CN219866276U CN219866276U CN202320702624.2U CN202320702624U CN219866276U CN 219866276 U CN219866276 U CN 219866276U CN 202320702624 U CN202320702624 U CN 202320702624U CN 219866276 U CN219866276 U CN 219866276U
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- inner cavity
- rotary drum
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- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 46
- 238000007789 sealing Methods 0.000 claims description 30
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of stop valves, and particularly discloses a stop valve convenient for flow adjustment, which comprises: the inner cavity of the upper valve body is rotatably provided with an internal thread rotary drum, and the lower end of the inner cavity of the internal thread rotary drum is movably spliced with an external stud through threads; the upper end of the valve rod is fixedly connected with the lower end of the outer stud; an inner gear ring is meshed with the outer side of the transmission gear, and annular scale marks are formed in the outer side wall of the inner gear ring; the inner gear ring is rotatably arranged in the inner cavity of the fixed frame and is matched with the inner cavity of the fixed frame; the beneficial effects are as follows: through the upper end fixedly connected with connecting axle of internal thread rotary drum, the transmission gear has been cup jointed to the fixed outside of connecting axle, and the ring gear rotates and installs in the inner chamber of fixed frame, and when the internal thread rotary drum rotated and reciprocates through the outer double-screw bolt of screw drive, the change of annular scale mark can be observed through the viewing aperture in the work, compares the setting of scale mark among the prior art, and the precision of this device scale mark is higher, can be convenient for accurately adjust flow size more.
Description
Technical Field
The utility model relates to the technical field of stop valves, in particular to a stop valve convenient for flow adjustment.
Background
The stop valve is also called a stop valve, and belongs to a forced sealing valve, and when the valve is closed, pressure must be applied to the valve clack so as to force the sealing surface not to leak.
The chinese utility model with publication No. CN207848428U discloses a flow-adjustable stop valve, which is formed by engraving scale marks 31 on the outer wall of the upper portion of the valve rod 11 along the vertical direction, wherein the scale marks 31 are located above the external thread section 17. When the valve rod 11 moves up and down, the graduation line 31 above the valve housing 3 changes, and the opening degree of the flow of the valve body 1 can be visually observed by observing the exposed graduation line 31.
When in actual use, the valve rod is driven by threads to move upwards, the moving stroke is short, the distance between the scale marks is small, and the scale marks are difficult to accurately reflect the opening degree of the flow of the valve body, so that the flow of the valve body is inconvenient to accurately adjust. Therefore, the utility model provides a stop valve which is convenient for adjusting flow rate and is used for solving the problems.
Disclosure of Invention
The utility model aims to provide a stop valve convenient for flow regulation, so as to solve the problem that the flow of a valve body provided in the background art is inconvenient to accurately regulate.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a shut-off valve for facilitating flow regulation, the shut-off valve for facilitating flow regulation comprising:
the inner cavity of the upper valve body is rotatably provided with an internal thread rotary drum, and the lower end of the inner cavity of the internal thread rotary drum is movably spliced with an external stud through threads;
the lower valve body is fixedly connected with the lower end of the upper valve body, a valve rod and a sealing valve core are arranged in the lower valve body, and the upper end of the valve rod is fixedly connected with the lower end of the outer stud;
the connecting shaft is fixed at the upper end of the internal thread rotary drum and extends to the upper part of the upper valve body, a transmission gear is fixedly sleeved on the outer side of the connecting shaft, an annular gear is meshed with the outer side of the transmission gear, and annular scale marks are formed in the outer side wall of the annular gear; a kind of electronic device with high-pressure air-conditioning system
The fixed frame is fixed at the upper end of the upper valve body, the inner gear ring is rotatably arranged in the inner cavity of the fixed frame and is matched with the inner cavity of the fixed frame, and the side wall of the fixed frame is provided with an observation port which corresponds to the annular scale mark.
Preferably, a valve core chute is vertically arranged in the middle of the inner cavity of the lower valve body, a polygonal through groove is arranged at the upper end of the inner cavity of the valve core chute, and the valve rod is movably connected with the polygonal through groove in a penetrating manner and is adapted to the polygonal through groove, so that the valve rod can only slide up and down and cannot rotate.
Preferably, the sealing valve core is fixed at the lower end of the valve rod, the sealing valve core is slidably arranged in the inner cavity of the valve core sliding groove and is matched with the inner cavity of the valve core sliding groove, the sealing valve core is arranged into an inverted truncated cone shape, and the valve rod can drive the sealing valve core to move up and down in the valve core sliding groove when moving up and down.
Preferably, a liquid outlet hole is formed in the inner wall of the lower end of the valve core sliding groove, the liquid outlet hole is matched with the sealing valve core, and the sealing effect of the sealing valve core on the liquid outlet hole is better.
Preferably, the inner side wall of the valve core chute is provided with a plurality of liquid inlet slots distributed in an annular array, and the liquid inlet slots are vertically arranged so that liquid can enter the valve core chute conveniently.
Preferably, both sides of the lower end of the lower valve body are fixedly connected with a liquid outlet and a liquid inlet, an inner cavity of the liquid outlet is communicated with the lower end of the valve core sliding groove, an inner cavity of the liquid inlet is communicated with the side face of the valve core sliding groove, and the liquid outlet and the liquid inlet are communicated through the valve core sliding groove.
Compared with the prior art, the utility model has the beneficial effects that:
according to the stop valve convenient for flow regulation, the connecting shaft is fixedly connected to the upper end of the internal thread rotary drum, the transmission gear is fixedly sleeved on the outer side of the connecting shaft and meshed with the inner side of the internal gear, the annular scale marks are formed in the outer side wall of the internal gear, the internal gear is rotatably arranged in the inner cavity of the fixed frame, the observation port used for observing the annular scale marks is formed in the side wall of the fixed frame, when the internal thread rotary drum rotates and drives the external stud to move up and down through threads, the transmission gear rotates and drives the internal gear to rotate, the change of the annular scale marks can be observed through the observation port in a working mode, and compared with the arrangement of the scale marks in the prior art, the device has higher accuracy of the scale marks, and can be more convenient for accurately regulating the flow.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present utility model;
FIG. 2 is a schematic illustration of the valve stem and valve core chute structure of the present utility model;
fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.
In the figure: 1. an upper valve body; 2. an internally threaded drum; 3. an outer stud; 4. a lower valve body; 5. a valve core sliding groove; 6. polygonal through grooves; 7. a valve stem; 8. sealing the valve core; 9. a connecting shaft; 10. a transmission gear; 11. an inner gear ring; 12. annular graduation marks; 13. a fixed frame; 14. an observation port; 15. a liquid outlet hole; 16. a liquid inlet slot; 17. a liquid outlet; 18. a liquid inlet.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Example 1
Referring to fig. 1-3, the present utility model provides a technical solution: a stop valve convenient to adjust flow, the stop valve convenient to adjust flow includes: an upper valve body 1, a lower valve body 4, a connecting shaft 9 and a fixed frame 13.
Specifically, an inner threaded rotary drum 2 is rotatably installed in the inner cavity of the upper valve body 1, a stepped groove is formed in the upper valve body 1, the inner threaded rotary drum 2 can only rotate in the groove and cannot slide along the vertical direction, a sealing gasket is arranged between the inner threaded rotary drum 2 and the upper valve body 1 to prevent liquid leakage when the inner threaded rotary drum 2 rotates, an outer stud 3 is movably inserted into the lower end of the inner cavity of the inner threaded rotary drum 2 through threads, and when the outer stud 3 and the inner threaded rotary drum 2 relatively rotate, the outer stud 3 and the inner threaded rotary drum 2 can relatively slide along the vertical direction;
secondly, the lower valve body 4 is fixedly connected with the lower end of the upper valve body 1, a valve rod 7 and a sealing valve core 8 are arranged in the lower valve body 4, the upper end of the valve rod 7 is fixedly connected with the lower end of the outer stud 3, and the valve rod 7 and the sealing valve core 8 can be driven to move up and down in the vertical direction when the outer stud 3 moves up and down;
further, the connecting shaft 9 is fixed at the upper end of the internal thread rotary drum 2 and extends to the upper part of the upper valve body 1, the upper end of the connecting shaft 9 is fixedly connected with a rotary table for driving the internal thread rotary drum 2 to rotate, the outer side of the connecting shaft 9 is fixedly sleeved with the transmission gear 10, the outer side of the transmission gear 10 is meshed with the annular gear 11, the outer side wall of the annular gear 11 is provided with annular scale marks 12, when the connecting shaft 9 rotates, the connecting shaft 9 drives the transmission gear 10 to rotate along with the annular gear, and the transmission gear 10 can drive the annular gear 11 to rotate through the meshing with the annular gear 11;
in addition, fixed frame 13 is fixed in the upper end of last valve body 1, and ring gear 11 rotates to install in the inner chamber of fixed frame 13 and with it looks adaptation, and the viewing aperture 14 that just corresponds with annular scale mark 12 has been seted up to the lateral wall of fixed frame 13, and fixed frame 13 is used for spacing ring gear 11, ensures that ring gear 11 can only rotate, and the staff can audio-visually observe the change of scale number on annular scale mark 12 through viewing aperture 14, because annular scale mark 12 sets up in the side of ring gear 11, and it has higher precision, and the staff can more accurate flow control.
Example two
On the basis of the first embodiment, in order to drive the outer stud 3 to move up and down, the utility model further provides a valve core chute 5 vertically arranged in the middle of the inner cavity of the lower valve body 4, a polygonal through groove 6 is arranged at the upper end of the inner cavity of the valve core chute 5, a valve rod 7 is movably connected with the polygonal through groove 6 in a penetrating manner and is matched with the polygonal through groove 6, the sections of the polygonal through groove 6 and the valve rod 7 are both in a regular polygon shape, the valve rod 7 can only slide up and down along the vertical direction and cannot rotate, so that the outer stud 3 can only slide up and down and cannot rotate, that is, when the inner threaded rotary drum 2 rotates, the inner threaded rotary drum 2 and the outer stud 3 can rotate relatively, and at the moment, the outer stud 3 can vertically move up and down under the action of threads.
Example III
On the basis of the second embodiment, in order to close the valve core sliding groove 5, the sealing valve core 8 is fixed at the lower end of the valve rod 7, the sealing valve core 8 is slidably arranged in the inner cavity of the valve core sliding groove 5 and is matched with the valve core sliding groove, the sealing valve core 8 is provided with an inverted circular table type, the inner wall of the lower end of the valve core sliding groove 5 is provided with a liquid outlet hole 15, the liquid outlet hole 15 is matched with the sealing valve core 8, the sealing valve core 8 is used for sealing the liquid outlet hole 15, and therefore closing of the valve core sliding groove 5 is achieved, and the circular table type arrangement enables matching between the sealing valve core 8 and the inner wall of the liquid outlet hole 15 to be tighter.
Example IV
On the basis of the third embodiment, in order to realize the control of the flow of the device, the utility model also has a plurality of liquid inlet groove holes 16 distributed in an annular array on the inner side wall of the valve core chute 5, the liquid inlet groove holes 16 are vertically arranged, two sides of the lower end of the lower valve body 4 are fixedly connected with a liquid outlet 17 and a liquid inlet 18, the inner cavity of the liquid outlet 17 is communicated with the lower end of the valve core chute 5, the inner cavity of the liquid inlet 18 is communicated with the side surface of the valve core chute 5, as shown in fig. 1 and 2, when liquid enters from the liquid inlet 18, the liquid can enter the inner cavity of the valve core chute 5 through the liquid inlet groove holes 16, the liquid in the inner cavity of the lower end of the valve core chute 5 can enter the inner cavity of the liquid outlet 17 through the liquid outlet holes 15 and flow out, and the speed of the liquid in the inner cavity of the liquid inlet 18 into the inner cavity of the lower end of the valve core chute 5 can be regulated by regulating the upper and lower height positions of the sealing valve core 8 in the inner cavity of the valve core chute 5, so as to realize the control of the flow.
In actual use, the rotary table at the upper end of the connecting shaft 9 is rotated to drive the internal thread rotary drum 2 to rotate, and the external stud 3 cannot rotate due to the cooperation of the valve rod 7 and the polygonal through groove 6, so that the external stud 3 can be driven to slide up and down through threads when the internal thread rotary drum 2 rotates, and then the sealing valve core 8 is driven to slide up and down in the inner cavity of the valve core sliding groove 5, and liquid in the inner cavity at the lower end of the valve core sliding groove 5 can be discharged into the inner cavity of the liquid outlet 17 through the liquid outlet 15, so that the flow of the liquid of the device can be controlled when the sealing valve core 8 slides vertically up and down in the inner cavity of the valve core sliding groove 5;
meanwhile, the connecting shaft 9 rotates to drive the transmission gear 10 to rotate, the transmission gear 10 drives the inner gear ring 11 to rotate through meshing with the inner gear ring 11, and a worker can know the height position of the sealing valve core 8 in the inner cavity of the valve core sliding groove 5 by observing the scale value of the annular scale mark 12 through the observation port 14, so that the flow rate is accurately controlled.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Stop valve convenient to adjust flow, its characterized in that: the stop valve convenient to adjust flow includes:
the inner cavity of the upper valve body (1) is rotatably provided with an inner thread rotary drum (2), and the lower end of the inner cavity of the inner thread rotary drum (2) is movably inserted with an outer stud (3) through threads;
the lower valve body (4) is fixedly connected with the lower end of the upper valve body (1), a valve rod (7) and a sealing valve core (8) are arranged in the lower valve body (4), and the upper end of the valve rod (7) is fixedly connected with the lower end of the outer stud (3);
the connecting shaft (9), the connecting shaft (9) is fixed at the upper end of the internal thread rotary drum (2) and extends to the upper part of the upper valve body (1), a transmission gear (10) is fixedly sleeved on the outer side of the connecting shaft (9), an annular gear ring (11) is meshed on the outer side of the transmission gear (10), and annular scale marks (12) are formed in the outer side wall of the annular gear ring (11); a kind of electronic device with high-pressure air-conditioning system
The fixed frame (13), fixed frame (13) are fixed in the upper end of last valve body (1), ring gear (11) rotate install in the inner chamber of fixed frame (13) and with it looks adaptation, observation mouth (14) that just corresponds with annular scale mark (12) are seted up to the lateral wall of fixed frame (13).
2. A shut-off valve for facilitating flow regulation as set forth in claim 1, wherein: the valve is characterized in that a valve core sliding groove (5) is vertically formed in the middle of an inner cavity of the lower valve body (4), a polygonal through groove (6) is formed in the upper end of the inner cavity of the valve core sliding groove (5), and the valve rod (7) is movably connected with the polygonal through groove (6) in a penetrating mode and is matched with the polygonal through groove.
3. A shut-off valve for facilitating flow regulation as set forth in claim 2, wherein: the sealing valve core (8) is fixed at the lower end of the valve rod (7), the sealing valve core (8) is slidably mounted in the inner cavity of the valve core sliding groove (5) and is matched with the inner cavity of the valve core sliding groove, and the sealing valve core (8) is arranged into an inverted circular truncated cone shape.
4. A shut-off valve for facilitating flow regulation as set forth in claim 3, wherein: a liquid outlet hole (15) is formed in the inner wall of the lower end of the valve core sliding groove (5), and the liquid outlet hole (15) is matched with the sealing valve core (8).
5. A stop valve for facilitating flow regulation as set forth in claim 4, wherein: the inner side wall of the valve core sliding groove (5) is provided with a plurality of liquid inlet slotted holes (16) distributed in an annular array, and the liquid inlet slotted holes (16) are vertically arranged.
6. A stop valve for facilitating flow regulation as set forth in claim 5, wherein: both sides of lower valve body (4) lower extreme are all fixedly connected with liquid outlet (17) and inlet (18), the inner chamber of liquid outlet (17) communicates with the lower extreme of case spout (5), the inner chamber of inlet (18) communicates with the side of case spout (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320702624.2U CN219866276U (en) | 2023-04-03 | 2023-04-03 | Stop valve convenient to adjust flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320702624.2U CN219866276U (en) | 2023-04-03 | 2023-04-03 | Stop valve convenient to adjust flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866276U true CN219866276U (en) | 2023-10-20 |
Family
ID=88345473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320702624.2U Active CN219866276U (en) | 2023-04-03 | 2023-04-03 | Stop valve convenient to adjust flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866276U (en) |
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2023
- 2023-04-03 CN CN202320702624.2U patent/CN219866276U/en active Active
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