CN221033993U - Square ventilation valve - Google Patents
Square ventilation valve Download PDFInfo
- Publication number
- CN221033993U CN221033993U CN202322662234.XU CN202322662234U CN221033993U CN 221033993 U CN221033993 U CN 221033993U CN 202322662234 U CN202322662234 U CN 202322662234U CN 221033993 U CN221033993 U CN 221033993U
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- Prior art keywords
- valve
- square
- positioning plate
- rod
- matched
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- 238000009423 ventilation Methods 0.000 title claims abstract description 28
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Air-Flow Control Members (AREA)
- Lift Valve (AREA)
Abstract
The utility model discloses a square ventilation valve, which comprises a square valve body, two circular flanges, an upper positioning plate, a lower positioning plate, a plurality of stop valve plates, a connecting rod assembly and a manual adjustment wrench, wherein the circular flanges are integrally and fixedly connected to the two sides of the square valve body, the upper part and the lower part of an inner flow cavity of the square valve body are respectively provided with the upper positioning plate and the lower positioning plate, the plurality of stop valve plates are sleeved between the upper positioning plate and the lower positioning plate, a valve rod is sleeved in the center of the stop valve plates, the upper end of the valve rod is matched with the connecting rod assembly, the connecting rod assembly comprises a plurality of swinging rods and connecting rods, the two ends of the swinging rods are respectively connected with the valve rod and the connecting rods to drive the valve rod to rotate, and further the stop valve plates are driven to rotate to realize opening and closing actions.
Description
Technical Field
The utility model relates to the technical field of valve equipment, in particular to a square ventilation valve.
Background
The ventilation pipe is frequently used in fire engineering, also can use the ventilation pipe in industrial production, be used for discharging harmful or harmless gas, the demand such as environmental maintenance, common ventilation pipe is circular in many, but business district building adopts hanging bridge and the fixed mode bearing of roof beam to play ventilation pipe and ventilation valve, for the fixed hoist and mount to ventilation pipe and ventilation valve, and can reduce the damping of flow chamber to the fluid in the ventilation valve, for abundant use scene, be convenient for be suitable for multiple environmental condition, we need a specially designed to reduce the damped ventilation valve of air current in the ventilation pipe, adopt the mode of increase ventilation cross-section, let the hindrance of stop valve sheet reduce, and the hoist and mount location of ventilation valve of being convenient for again.
Disclosure of utility model
The purpose of the utility model is that: in view of the technical requirements that in the background art, the ventilation valve needs to reduce the air flow damping in the ventilation pipe, the obstruction of the stop valve plate is reduced, and the lifting and positioning of the ventilation valve are facilitated, a square ventilation valve is designed.
The technical scheme adopted for solving the problems is as follows:
A square ventilation valve comprises a square valve body, two round flanges on two sides, an upper positioning plate, a lower positioning plate, a plurality of stop valve plates, a connecting rod assembly and a hand-operated spanner,
The two sides of the square valve body are integrally and fixedly connected with a circular flange, the annular array of the peripheral edge of the circular flange is provided with flange holes, the flange holes are connected with the flange holes on the end face of the circular ventilation pipe through sealing pieces and locking pieces, the side length of the square valve body is larger than the diameter size of the circular flange, the upper part and the lower part of the inner flow cavity of the square valve body are respectively provided with an upper positioning plate and a lower positioning plate, a plurality of stop valve plates are sleeved and matched between the upper positioning plate and the lower positioning plate,
The stop valve block is in a strip shape, a valve rod is sleeved and matched in the center, the upper end of the valve rod is sleeved and matched with an upper positioning hole arranged on the upper positioning plate, the lower end of the valve rod is sleeved and matched with a lower positioning hole arranged on the lower positioning plate, the upper end of the valve rod is matched with the connecting rod assembly,
The connecting rod assembly comprises a plurality of swing rods and connecting rods, two ends of each swing rod are respectively connected with the valve rod and the connecting rod, and the adjacent swing rods are arranged in parallel, so that all the swing rods are guaranteed to rotate at the same angle and the same speed, the valve rod is driven to rotate, and then the stop valve plate is driven to rotate to realize opening and closing actions.
Further, the hand-adjusting wrench is arranged at the upper end of the middle valve rod and drives the valve rod to actively rotate, so that all the valve rods are driven to synchronously rotate.
Further, the hand-operated spanner is matched with a locking buckle arranged on the outer wall of the square valve body to form a rotary locking mechanism.
Further, the hand-adjusting wrench is provided with an arc-shaped hole, and the rotation angle of the hand-adjusting wrench is judged by matching with the peripheral angle scale marks, so that the opening and closing angle of the stop valve plate is judged.
The beneficial effects of the utility model are as follows:
The square flow cavity of this square ventilation valve design compares circular flange or circular breather pipe fluxion nature better, can reduce the damping to the air current in the ventilation pipe, square valve body frame can also be convenient for the hanging bridge bearing, drives all stop valve plates synchronous rotation 90 degrees in combination hand spanner, can realize the switching action, and is practical convenient.
Drawings
FIG. 1 is a schematic diagram of a square vent valve according to the present embodiment;
FIG. 2 is a top view of the square vent valve of the present embodiment;
Fig. 3 is a schematic structural view of all stop valve plates after the hand wrench in this embodiment rotates 90 degrees;
The device comprises a 1-lower locating plate, a 2-stop valve plate, a 3-flange hole, a 4-round flange, a 5-square valve body, a 6-upper locating plate, a 7-locking buckle, an 8-driving valve rod, a 9-hand-adjusting spanner, a 10-connecting rod, a 11-driven valve rod, a 12-arc hole, a 13-angle scale mark, a 14-flow cavity, a 15-swing rod and a 16-locking groove.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-3, the embodiment provides a square ventilation valve, which comprises a square valve body 5, two circular flanges 4 on two sides, an upper positioning plate 6, a lower positioning plate 1, 14 stop valve plates 2, a connecting rod 10 assembly and a hand adjusting wrench 9, wherein the two sides of the square valve body 5 are integrally and fixedly connected with the circular flanges 4, the annular array of the peripheral edges of the circular flanges 4 is provided with flange holes 3, the flange holes 3 are connected with the flange holes 3 on the end face of the circular ventilation pipe through sealing elements and locking elements, the side length of the square valve body 5 is larger than the diameter size of the circular flange 4, the upper part and the lower part of a flow cavity 14 in the square valve body 5 are respectively provided with the upper positioning plate 6 and the lower positioning plate 1, and 14 stop valve plates 2 are sleeved and matched between the upper positioning plate 6 and the lower positioning plate 1.
Referring to fig. 2 and 3, the stop valve plates 2 are in a long strip shape, the adjacent stop valve plates are closed when being flush, are opened when rotating by 90 degrees, the center is sleeved with a valve rod, the upper end of the valve rod is sleeved with an upper positioning hole arranged on the upper positioning plate 6, the lower end of the valve rod is sleeved with a lower positioning hole arranged on the lower positioning plate 1, and the upper end of the valve rod is matched with the connecting rod 10 assembly.
Referring to fig. 2, the connecting rod 10 assembly includes 14 swing rods 15 and a connecting rod 10, two ends of each swing rod 15 are respectively connected with the valve rod and the connecting rod 10, and the adjacent swing rods 15 are arranged in parallel, so that all the swing rods 15 are guaranteed to rotate at the same angle and the same speed, the valve rod is driven to rotate, and then the stop valve plate 2 is driven to rotate to realize opening and closing actions.
Referring to fig. 2 and 3, the hand wrench 9 is disposed at the upper end of the middle valve rod, and drives the valve rod to actively rotate, and further drives all the valve rods to synchronously rotate.
Referring to fig. 2, the hand wrench 9 is matched with the locking buckle 7 arranged on the outer wall of the square valve body 5 to form a rotary locking mechanism.
Referring to fig. 2, the hand wrench 9 is provided with an arc hole 12, and the rotation angle of the hand wrench 9 is determined by matching with the peripheral angle graduation marks 13, so as to determine the opening and closing angle of the stop valve plate 2.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the embodiments described above, and various changes, modifications, substitutions and alterations can be made therein by those having ordinary skill in the art without departing from the spirit of the present utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (4)
1. The utility model provides a square ventilation valve, includes square valve body, two-sided circular flange, goes up locating plate, locating plate down, a plurality of stop valve piece, link assembly and hand spanner, its characterized in that:
The two sides of the square valve body are integrally and fixedly connected with a circular flange, the annular array of the peripheral edge of the circular flange is provided with flange holes, the flange holes are connected with the flange holes on the end face of the circular ventilation pipe through sealing pieces and locking pieces, the side length of the square valve body is larger than the diameter size of the circular flange, the upper part and the lower part of the inner flow cavity of the square valve body are respectively provided with an upper positioning plate and a lower positioning plate, a plurality of stop valve plates are sleeved and matched between the upper positioning plate and the lower positioning plate,
The stop valve block is in a strip shape, a valve rod is sleeved and matched in the center, the upper end of the valve rod is sleeved and matched with an upper positioning hole arranged on the upper positioning plate, the lower end of the valve rod is sleeved and matched with a lower positioning hole arranged on the lower positioning plate, the upper end of the valve rod is matched with the connecting rod assembly,
The connecting rod assembly comprises a plurality of swing rods and connecting rods, two ends of each swing rod are respectively connected with the valve rod and the connecting rod, and the adjacent swing rods are arranged in parallel, so that all the swing rods are guaranteed to rotate at the same angle and the same speed, the valve rod is driven to rotate, and then the stop valve plate is driven to rotate to realize opening and closing actions.
2. The square vent valve of claim 1, wherein: the hand-operated spanner is arranged at the upper end of the middle valve rod and drives the valve rod to actively rotate, and then drives all the valve rods to synchronously rotate.
3. The square vent valve of claim 2, wherein: the hand spanner is matched with a locking buckle arranged on the outer wall of the square valve body to form a rotary locking mechanism.
4. A square vent valve as defined in claim 3, wherein: the hand-adjusting wrench is provided with an arc-shaped hole, and the rotation angle of the hand-adjusting wrench is judged by matching with the peripheral angle scale marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322662234.XU CN221033993U (en) | 2023-10-07 | 2023-10-07 | Square ventilation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322662234.XU CN221033993U (en) | 2023-10-07 | 2023-10-07 | Square ventilation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221033993U true CN221033993U (en) | 2024-05-28 |
Family
ID=91180721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322662234.XU Active CN221033993U (en) | 2023-10-07 | 2023-10-07 | Square ventilation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221033993U (en) |
-
2023
- 2023-10-07 CN CN202322662234.XU patent/CN221033993U/en active Active
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