CN221034248U - Multi-blade ventilation valve - Google Patents
Multi-blade ventilation valve Download PDFInfo
- Publication number
- CN221034248U CN221034248U CN202322662309.4U CN202322662309U CN221034248U CN 221034248 U CN221034248 U CN 221034248U CN 202322662309 U CN202322662309 U CN 202322662309U CN 221034248 U CN221034248 U CN 221034248U
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- Prior art keywords
- ventilation
- positioning rods
- bevel gear
- valve body
- vane
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- 238000009423 ventilation Methods 0.000 title claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000001360 synchronised effect Effects 0.000 claims abstract description 17
- 238000003491 array Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000036544 posture Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production 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
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- Air-Flow Control Members (AREA)
Abstract
The utility model discloses a multi-blade ventilation valve, which comprises a cylinder valve body, flanges on two end surfaces, a plurality of positioning rods, ventilation blades, a bevel gear synchronous transmission assembly and a hand-operated spanner.
Description
Technical Field
The utility model relates to the technical field of valve equipment, in particular to a multi-blade ventilation valve.
Background
The ventilation pipes are often used in fire engineering, the ventilation pipes are also used in industrial production for discharging harmful or harmless gas, environmental maintenance and other requirements, the common ventilation pipes are round, ventilation valves are often used between the ventilation pipes and at necessary ventilation pipe orifices for adjusting ventilation quantity, controlling ventilation air pressure, controlling rain-proof backflow and other designs, the ventilation valves are required to be provided with the mechanism performances of freely adjusting opening and closing actions, freely adjusting ventilation quantity, controlling ventilation air pressure and positioning locking blades, and therefore, the ventilation valve equipment is particularly designed.
Disclosure of utility model
The purpose of the utility model is that: in view of the technical requirements that in the background technology, the ventilation valve can be accurately and freely adjusted to open and close, the ventilation quantity can be freely adjusted, the ventilation air pressure can be controlled, and the locking blade can be positioned, a multi-blade ventilation valve is designed.
The technical scheme adopted for solving the problems is as follows:
A multi-blade ventilating valve comprises a cylinder valve body, flanges at two end surfaces, a plurality of positioning rods, ventilating blades, a bevel gear synchronous transmission assembly and a hand-adjusting spanner,
The flange is integrally arranged on two sides of the cylinder valve body, the flange holes are annularly arranged on the peripheral edge of the flange in an array manner, the flange holes are connected with the flange holes on the end face of the circular ventilation pipe through sealing pieces and locking pieces, a plurality of positioning rods are annularly sleeved on the cross section of the cylinder valve body in an array manner, the outer ends of the positioning rods penetrate through the cylinder valve body, the inner ends of the positioning rods are synchronously rotated in a matched manner with the bevel gear synchronous transmission assembly, ventilation blades are sleeved on each positioning rod in a penetrating manner, the ventilation blades which are annularly arranged form a complete cross section circular flow channel shape,
The ventilation blades are fan-shaped, the joint of the adjacent ventilation blades is provided with an inclined angle, and the inclined angles of the two sides of the same ventilation blade are opposite, so that the adjacent two ventilation blades rotate in opposite directions, when all the ventilation blades are flush, the ventilation blades can be closely jointed and sealed, ventilation is stopped,
The bevel gear synchronous transmission assembly comprises a center sleeve, a plurality of bevel gears and bearings, wherein the outer circumferences of two ends of the center sleeve are pulled through spokes which are arranged in a plurality of annular arrays to be positioned and locked, through holes matched with all positioning rods are formed in the center sleeve, bearings matched with the positioning rods in a penetrating mode are arranged in the through holes, a bevel gear is fixedly connected with shaft heads at the inner ends of the positioning rods, and the adjacent bevel gears are meshed with each other.
Further, the two ends of the central sleeve are sealed through the matching of the end covers, so that wind dust is prevented from being poured into the bevel gear synchronous transmission assembly, the transmission structure is damaged, the maintenance probability and the structural aging are reduced, and the service life of the transmission assembly is prolonged.
Further, the hand-adjusting wrench is arranged at the upper end of the middle positioning rod, drives the positioning rod to actively rotate through the rotating shaft, and drives all the positioning rods to synchronously rotate after being driven by the bevel gear synchronous transmission assembly.
Further, the manual spanner cooperates with the locking seat that the drum valve body outer wall set up, and locking seat periphery is provided with the arc buckle groove, and manual spanner corresponds the buckle groove position and is provided with the buckle, and buckle groove joint form rotatory locking mechanism.
Further, the outer ring of the arc-shaped buckle groove is provided with angle scale marks, the angle scale marks are 0-90 degrees, the rotation angle of the ventilation blade is convenient to adjust, and the ventilation direction is convenient to adjust.
Further, spokes arranged in annular arrays on both sides are in an inclined pulling posture, and all degrees of freedom of the center sleeve are fully limited.
The beneficial effects of the utility model are as follows:
The multi-blade ventilation valve can accurately control all ventilation blades to synchronously adjust the ventilation direction by utilizing the bevel gear synchronous transmission assembly, is simple in structure, locks and positions the central sleeve by utilizing spokes pulled annularly on two sides, is ingenious in structure, can be popularized and applied, can drive all ventilation blades to synchronously rotate by 0-90 degrees by combining with a manual wrench, can realize opening and closing actions, and is practical and convenient.
Drawings
FIG. 1 is a schematic view of the structure of a multi-vane vent valve of the present embodiment;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an axial cross-sectional view of the multi-vane vent valve of this embodiment;
fig. 4 is an axial sectional view of the ventilation blade of the multi-blade ventilation valve of the present embodiment in a fully opened state;
The device comprises a 1-flange hole, a 2-flange, a 3-driven positioning rod, a 4-counter rotating ventilation blade, a 5-forward rotating ventilation blade, a 6-buckle, a 7-hand-adjusting spanner, an 8-rotating shaft, a 9-driving positioning rod, a 10-cylinder valve body, an 11-driving bevel gear, a 12-central sleeve, a 13-driven bevel gear, 14-spokes, a 15-bevel gear synchronous transmission assembly and a 16-locking seat.
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 to 4, the present embodiment provides a multi-vane vent valve, which comprises a cylindrical valve body 10, flanges 2 on two end surfaces, 6 positioning rods and vent vanes, a bevel gear synchronous transmission assembly 15 and a hand-adjusting wrench 7.
Referring to fig. 1 and 3, the two sides of the cylindrical valve body 10 are integrally provided with flanges 2, the annular array of the peripheral edge of the flanges 2 is provided with flange holes 1, the flange holes 1 are connected with the flange holes 1 of the end face of the circular ventilation pipe through sealing elements and locking elements, 6 positioning rods are sleeved and matched with the cross section of the cylindrical valve body 10 in an annular array manner, the outer ends of the positioning rods penetrate through the cylindrical valve body 10, the inner ends of the positioning rods and the bevel gear synchronous transmission assembly 15 are matched and synchronously rotated, ventilation blades are sleeved on each positioning rod in a penetrating manner, and the ventilation blades distributed in an annular manner form a complete cross section circular flow channel.
Referring to fig. 1 and 4, the ventilation blades are fan-shaped, the joint of the adjacent ventilation blades is provided with an inclined angle, and the inclined angles of the two sides of the same ventilation blade are opposite, so that the adjacent two ventilation blades rotate in opposite directions, and when all the ventilation blades are flush, the ventilation blades can be closely jointed and sealed, and ventilation is stopped.
Referring to fig. 2, the bevel gear synchronous transmission assembly 15 includes a central sleeve 12, 6 bevel gears and bearings (not labeled in the drawing), the outer circumferences of two ends of the central sleeve 12 pull positioning and locking through spokes 14 arranged in 12 annular arrays, through holes matched with all positioning rods are formed in the central sleeve 12, bearings matched with the positioning rods in a penetrating manner are arranged in the through holes, a bevel gear is fixedly connected to shaft heads at the inner ends of the positioning rods, and adjacent bevel gears are meshed with each other.
In a further embodiment, the two ends of the central sleeve 12 are sealed through the matching of end covers, so that wind dust is prevented from being poured into the bevel gear synchronous transmission assembly 15, a transmission structure is damaged, maintenance probability and structural aging are reduced, and the service life of the transmission assembly is prolonged.
Referring to fig. 1, the hand-adjusting wrench 7 is disposed at the upper end of the middle positioning rod, drives the positioning rod to actively rotate through the rotation shaft 8, and drives all the positioning rods to synchronously rotate after being driven by the bevel gear synchronous transmission assembly 15.
Referring to fig. 4, the manual wrench 7 is matched with a locking seat 16 provided on the outer wall of the cylindrical valve body 10, an arc-shaped fastening slot is provided on the outer periphery of the locking seat 16, a fastener 6 is provided at a position of the manual wrench 7 corresponding to the fastening slot, and the fastener 6 and the fastening slot are fastened to form a rotary locking mechanism.
Further embodiments are that the arc-shaped buckle groove outer ring is provided with angle scale marks, marks 0-90 degrees, and is convenient for adjusting the rotation angle of the ventilation blade and adjusting the ventilation direction.
Referring to fig. 3 and 4, the spokes 14 arranged in a two-sided annular array are each in an oblique pulling posture, which fully defines all degrees of freedom of the center sleeve 12.
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 (7)
1. The utility model provides a many blade vent valve, includes drum valve body, the flange of both ends face, a plurality of locating lever and ventilation blade, bevel gear synchronous drive subassembly and hand spanner, its characterized in that:
The cross section of the cylinder valve body is sleeved with a plurality of positioning rods in an annular array, the outer ends of the positioning rods penetrate through the cylinder valve body, the inner ends of the positioning rods are matched with the bevel gear synchronous transmission assembly to synchronously rotate, each positioning rod is sleeved with a ventilation blade, the ventilation blades which are distributed in an annular way form a complete cross section circular flow channel shape,
The ventilation blades are fan-shaped, the joint of the adjacent ventilation blades is provided with an inclined angle, and the inclined angles of the two sides of the same ventilation blade are opposite, so that the adjacent two ventilation blades rotate in opposite directions, when all the ventilation blades are flush, the ventilation blades can be closely jointed and sealed, ventilation is stopped,
The bevel gear synchronous transmission assembly comprises a center sleeve, a plurality of bevel gears and bearings, wherein the outer circumferences of two ends of the center sleeve are pulled through spokes which are arranged in a plurality of annular arrays to be positioned and locked, through holes matched with all positioning rods are formed in the center sleeve, bearings matched with the positioning rods in a penetrating mode are arranged in the through holes, a bevel gear is fixedly connected with shaft heads at the inner ends of the positioning rods, and the adjacent bevel gears are meshed with each other.
2. The multi-vane vent valve of claim 1, wherein: the cylinder valve body is characterized in that flanges are integrally arranged on two sides of the cylinder valve body, flange holes are formed in the annular array of the outer peripheral edge of the flange, and the flange holes are connected with the flange holes on the end face of the circular ventilation pipe through sealing pieces and locking pieces.
3. The multi-vane vent valve of claim 1, wherein: and two ends of the central sleeve are sealed in a matched manner through end covers.
4. The multi-vane vent valve of claim 1, wherein: the hand-adjusting wrench is arranged at the upper end of the middle positioning rod, drives the positioning rod to actively rotate through the rotating shaft, and drives all the positioning rods to synchronously rotate after being driven by the bevel gear synchronous transmission assembly.
5. The multi-vane vent valve of claim 4, wherein: the manual spanner is matched with a locking seat arranged on the outer wall of the cylinder valve body, an arc-shaped buckle groove is formed in the periphery of the locking seat, a buckle is arranged at the position, corresponding to the buckle groove, of the manual spanner, and the buckle groove are clamped to form a rotary locking mechanism.
6. The multi-vane vent valve of claim 5, wherein: the outer ring of the arc-shaped buckle groove is provided with angle scale marks, and the angle scale marks are marked with 0-90 degrees.
7. The multi-vane vent valve of claim 1, wherein: spokes arranged in annular arrays on two sides are in inclined pulling postures, and all degrees of freedom of the center sleeve are fully limited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322662309.4U CN221034248U (en) | 2023-10-07 | 2023-10-07 | Multi-blade ventilation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322662309.4U CN221034248U (en) | 2023-10-07 | 2023-10-07 | Multi-blade ventilation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221034248U true CN221034248U (en) | 2024-05-28 |
Family
ID=91132969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322662309.4U Active CN221034248U (en) | 2023-10-07 | 2023-10-07 | Multi-blade ventilation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221034248U (en) |
-
2023
- 2023-10-07 CN CN202322662309.4U patent/CN221034248U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |