CN220249009U - Manual diaphragm valve - Google Patents
Manual diaphragm valve Download PDFInfo
- Publication number
- CN220249009U CN220249009U CN202322291136.XU CN202322291136U CN220249009U CN 220249009 U CN220249009 U CN 220249009U CN 202322291136 U CN202322291136 U CN 202322291136U CN 220249009 U CN220249009 U CN 220249009U
- Authority
- CN
- China
- Prior art keywords
- diaphragm valve
- knob
- valve rod
- valve body
- fixture block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000009977 dual effect Effects 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920001967 Metal rubber Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of valves, and discloses a manual diaphragm valve, which comprises: the diaphragm valve body, the diaphragm valve body sets up the valve rod, and the valve rod is used for adjusting opening and closing of diaphragm valve body, and the valve rod sets up first fixture block and second fixture block, and knob is connected to the valve rod, and hexagonal bolt is connected to the knob, and the slide hole is seted up to the knob, and the slide hole internal surface sets up a plurality of edges and corners. This manual diaphragm valve passes the knob with the tip of hex bolts and squeezes the valve rod, when closing the diaphragm valve body, rotates the knob, through the draw-in groove that forms between two adjacent edges and corners, drive first fixture block and second fixture block and rotate to drive the valve rod and rotate, first fixture block and the edge of second fixture block are fixed in the draw-in groove, make valve rod pivoted range and knob keep unanimous, prevent that valve rod and hex bolts from taking place not hard up, hex bolts and draw-in groove form dual anti-loosening to the valve rod, make the diaphragm valve body can close completely, thereby improved the security performance of diaphragm valve body.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a manual diaphragm valve.
Background
The diaphragm valve is a stop valve which uses a diaphragm as an opening and closing piece to seal a flow passage, cut off fluid and separate the inner cavity of the valve body from the inner cavity of the valve cover. The diaphragm is made of elastic, corrosion-resistant and impermeable materials such as rubber and plastic, and the valve body is made of plastic, glass fiber reinforced plastic, ceramic or metal rubber lining materials. The diaphragm valve has simple structure, good sealing and corrosion resistance, small fluid resistance and is used for low-pressure, low-temperature, strong-corrosiveness and medium containing suspended substances.
In the actual use of the existing diaphragm valve in a factory workshop, the valve rod is generally adjusted by rotating the knob, the diaphragm valve is opened and closed by adjusting the rotating amplitude of the valve rod, the knob and the valve rod are usually fastened through the hexagonal bolt, the end part of the hexagonal bolt penetrates through the knob and squeezes the valve rod, and the hexagonal bolt is driven to rotate together with the valve rod when the knob rotates. However, after the valve is opened and closed for a plurality of times in a circulating way, looseness is easy to occur between the hexagonal bolt and the valve rod due to mutual abrasion, when the diaphragm valve is closed, the knob and the hexagonal bolt are rotated, the valve rod is not rotated due to looseness, or the rotation amplitude is inconsistent with the rotation amplitude of the knob, so that the diaphragm valve is in an actually non-closed or incompletely closed state, and fluid leakage is caused.
Disclosure of Invention
The present utility model is directed to a manual diaphragm valve to solve the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a manual diaphragm valve comprising: the diaphragm valve body, the diaphragm valve body sets up the valve rod, the valve rod is used for adjusting opening and closing of diaphragm valve body, the valve rod sets up first fixture block and second fixture block, the knob is connected to the valve rod, hexagonal bolt is connected to the knob, the slide opening is seted up to the knob, the slide opening internal surface sets up a plurality of edges and corners, adjacent two form a draw-in groove between the edges and corners, first fixture block with the edge of second fixture block all is fixed in the draw-in groove.
Preferably, the valve rod is provided with a fixing portion.
Preferably, the second clamping block is provided with a groove.
Preferably, the knob is provided with an observation hole.
Preferably, the knob is provided with a plurality of threaded holes.
Preferably, a hexagonal bolt is arranged in the threaded hole.
Preferably, the diaphragm valve body is fixedly provided with a display panel.
Preferably, the display panel is sleeved on the valve rod.
Preferably, the sliding hole is formed in the center of the knob.
Preferably, the knob is sleeved on the valve rod.
The manual diaphragm valve has the following beneficial effects:
this manual diaphragm valve passes the knob with the tip of hex bolts and squeezes the valve rod, when closing the diaphragm valve body, rotates the knob, through the draw-in groove that forms between two adjacent edges and corners, drive first fixture block and second fixture block and rotate to drive the valve rod and rotate, first fixture block and the edge of second fixture block are fixed in the draw-in groove, make valve rod pivoted range and knob keep unanimous, prevent that valve rod and hex bolts from taking place not hard up, hex bolts and draw-in groove form dual anti-loosening to the valve rod, make the diaphragm valve body can close completely, thereby improved the security performance of diaphragm valve body.
Drawings
FIG. 1 is a perspective view of a manual diaphragm valve provided in an embodiment of the present application;
FIG. 2 is a top view of a manual diaphragm valve provided in an embodiment of the present application;
FIG. 3 is an exploded view of a manual diaphragm valve provided in an embodiment of the present application;
FIG. 4 is a schematic illustration of the valve stem of FIG. 3;
FIG. 5 is a top view of the knob of FIG. 3;
fig. 6 is a top view of the display panel of fig. 3.
In the figure: 1. a diaphragm valve body; 2. a valve stem; 21. a fixing part; 22. a first clamping block; 23. a second clamping block; 24. a groove; 3. a knob; 31. a slide hole; 32. edge angle; 33. an observation hole; 34. a threaded hole; 4. a hexagonal bolt; 5. and a display panel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-3 and 6, the present utility model provides a manual diaphragm valve embodiment comprising: the diaphragm valve body 1, diaphragm valve body 1 fixed mounting has display panel 5, sets up on the display panel 5 and opens and close the demonstration, and diaphragm valve body 1 sets up valve rod 2, and valve rod 2 is located to display panel 5 cover, and valve rod 2 is used for adjusting opening and closing of diaphragm valve body 1.
As shown in fig. 4, the valve rod 2 is provided with a fixing portion 21, the valve rod 2 is provided with a first clamping block 22 and a second clamping block 23, the first clamping block 22 is located below the fixing portion 21, the second clamping block 23 is located above the fixing portion 21, the second clamping block 23 is arranged at the top of the valve rod 2, and the second clamping block 23 is provided with a groove 24.
Further, as shown in fig. 1-3, the valve rod 2 is connected with a knob 3, and the knob 3 is sleeved on the valve rod 2.
Specifically, as shown in fig. 3 and 5, the knob 3 is provided with an observation hole 33, the opening or closing display on the display panel 5 can be observed through the observation hole 33, which is used for judging that the diaphragm valve body 1 is in an opening or closing state, the knob 3 is provided with a sliding hole 31, the sliding hole 31 is provided at the center of the knob 3, the inner surface of the sliding hole 31 is provided with a plurality of edges 32, a clamping groove is formed between two adjacent edges 32, the edges of the first clamping block 22 and the second clamping block 23 are both fixed in the clamping groove, the knob 3 is provided with a plurality of threaded holes 34, and the threaded holes 34 are internally provided with hexagonal bolts 4.
In this embodiment, the hexagonal bolt 4 is rotated in the threaded hole 34, the end of the hexagonal bolt 4 passes through the knob 3 and presses the valve rod 2 tightly, at this time, the end of the hexagonal bolt 4 is in close contact with the fixing portion 21 on the valve rod 2, when the diaphragm valve body 1 is closed, the knob 3 is rotated, the first clamping block 22 and the second clamping block 23 are driven to rotate through the clamping groove formed between the two adjacent edges 32, thereby driving the valve rod 2 to rotate, the edges of the first clamping block 22 and the second clamping block 23 are fixed in the clamping groove, the rotating amplitude of the valve rod 2 is kept consistent with the knob 3, the fixing portion 21 on the valve rod 2 is prevented from loosening with the hexagonal bolt 4, and the clamping groove forms double anti-loosening to the valve rod 2, so that the diaphragm valve body 1 can be completely closed, and the safety performance of the diaphragm valve body 1 is improved.
Moreover, when the diaphragm valve body 1 is opened, the double anti-loosening of the hexagonal bolt 4 and the clamping groove to the valve rod 2 can also avoid the occurrence of incomplete opening, and prevent the failure of the diaphragm valve body 1.
It can be understood that the dual anti-loosening design can also reduce the mutual abrasion between the hexagon bolt 4 and the fixed part 21, improve the service life of the valve, and the dual anti-loosening design has simple structure and low manufacturing cost, and can realize the improvement of the safety performance of the diaphragm valve body 1 without installing leakage detecting equipment on the diaphragm valve body 1.
In addition, the second clamping block 23 is provided with the groove 24, so that the groove 24 and the observation hole 33 form a fixed angle, and when the angle is changed, namely the corner 32 on the knob 3 is deformed, the valve rod 2 and the knob 3 relatively rotate, and the knob 3 can be judged to be required to be replaced.
Working principle: the hexagonal bolt 4 is rotated in the threaded hole 34, the end part of the hexagonal bolt 4 passes through the knob 3 and tightly presses the valve rod 2, at the moment, the end part of the hexagonal bolt 4 is tightly contacted with the fixing part 21 on the valve rod 2, when the diaphragm valve body 1 is closed, the knob 3 is rotated, the first clamping block 22 and the second clamping block 23 are driven to rotate through the clamping grooves formed between the two adjacent edges 32, so that the valve rod 2 is driven to rotate, the edges of the first clamping block 22 and the second clamping block 23 are fixed in the clamping grooves, the rotating amplitude of the valve rod 2 is kept consistent with that of the knob 3, the fixing part 21 on the valve rod 2 is prevented from loosening with the hexagonal bolt 4, and the clamping grooves form double anti-loosening to the valve rod 2, so that the diaphragm valve body 1 can be completely closed.
In view of the foregoing, it will be appreciated that while embodiments of the utility model have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations may be made hereto without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (10)
1. A manual diaphragm valve, characterized by: comprising the following steps: a diaphragm valve body (1), wherein the diaphragm valve body (1) is provided with a valve rod (2), and the valve rod (2) is used for adjusting the opening and closing of the diaphragm valve body (1);
the valve rod (2) is provided with a first clamping block (22) and a second clamping block (23);
the valve rod (2) is connected with a knob (3), and the knob (3) is connected with a hexagonal bolt (4);
slide hole (31) are offered to knob (3), slide hole (31) internal surface sets up a plurality of edges and corners (32), and adjacent two form a draw-in groove between edges and corners (32), first fixture block (22) with the edge of second fixture block (23) is all fixed in the draw-in groove.
2. A manual diaphragm valve according to claim 1 wherein: the valve rod (2) is provided with a fixing part (21).
3. A manual diaphragm valve according to claim 1 wherein: the second clamping block (23) is provided with a groove (24).
4. A manual diaphragm valve according to claim 1 wherein: the knob (3) is provided with an observation hole (33).
5. A manual diaphragm valve according to claim 1 wherein: the knob (3) is provided with a plurality of threaded holes (34).
6. A manual diaphragm valve according to claim 5 wherein: a hexagonal bolt (4) is arranged in the threaded hole (34).
7. A manual diaphragm valve according to claim 1 wherein: the diaphragm valve body (1) is fixedly provided with a display panel (5).
8. A manual diaphragm valve according to claim 7 wherein: the display panel (5) is sleeved on the valve rod (2).
9. A manual diaphragm valve according to claim 1 wherein: the sliding hole (31) is arranged at the center of the knob (3).
10. A manual diaphragm valve according to claim 1 wherein: the knob (3) is sleeved on the valve rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322291136.XU CN220249009U (en) | 2023-08-24 | 2023-08-24 | Manual diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322291136.XU CN220249009U (en) | 2023-08-24 | 2023-08-24 | Manual diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220249009U true CN220249009U (en) | 2023-12-26 |
Family
ID=89271675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322291136.XU Active CN220249009U (en) | 2023-08-24 | 2023-08-24 | Manual diaphragm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220249009U (en) |
-
2023
- 2023-08-24 CN CN202322291136.XU patent/CN220249009U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |