CN214501655U - Silencing static pressure box capable of balancing air quantity - Google Patents
Silencing static pressure box capable of balancing air quantity Download PDFInfo
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- CN214501655U CN214501655U CN202120121261.4U CN202120121261U CN214501655U CN 214501655 U CN214501655 U CN 214501655U CN 202120121261 U CN202120121261 U CN 202120121261U CN 214501655 U CN214501655 U CN 214501655U
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Abstract
The air quantity can be balanced, and the static pressure box can be silenced. The utility model relates to a ventilation equipment especially relates to but balanced amount of wind noise elimination static pressure case. The air quantity balancing silencing static pressure box is compact and reasonable in structure, and can adjust the air outlet direction and the air outlet quantity. The utility model comprises a ventilation box body and an air port mechanism; the air port mechanism comprises a rack, an electric push rod, a partition plate and a pair of turning plates arranged in pairs; wind enters the ventilation box body from the air inlet in the right side direction and flows downwards to the air outlet, the rack is moved up and down through the electric push rod at the air outlet, the first rotating wheel and the second rotating wheel which are matched with the rack rotate synchronously, and the adjustment of the size of an air outlet gap between the turning plate and the inner side wall of the air outlet is realized. The utility model has the characteristics of compact structure is reasonable, adjust air-out direction and air output etc.
Description
Technical Field
The utility model relates to a ventilation equipment especially relates to but balanced amount of wind noise elimination static pressure case.
Background
The static pressure box is a necessary accessory for reducing dynamic pressure, increasing static pressure, stabilizing air flow and reducing air flow vibration of the air supply system, and can make the air supply effect more ideal. A plenum box is a device that both allows airflow to pass through and effectively prevents or attenuates the outward propagation of acoustic energy. At present, air outlets of static pressure boxes are all formed by fan blades which are fixedly connected horizontally or vertically, and the air outlet direction and the air outlet quantity cannot be adjusted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above problem, provide a but balanced amount of wind noise elimination static pressure case compact structure is reasonable, adjust air-out direction and air output.
The technical scheme of the utility model is that: the noise elimination static pressure box capable of balancing the air quantity comprises a ventilation box body and an air port mechanism;
the ventilation box body is provided with an air inlet and an air outlet;
the air port mechanism is arranged in the air outlet;
the air port mechanism comprises a rack, an electric push rod, a partition plate and a pair of turning plates arranged in pairs;
the baffle is fixedly arranged in the air outlet to separate the air outlet into an inner cavity and an outer cavity;
the inner side cavity is communicated with the air inlet, and the outer side cavity is communicated with the outer side of the static pressure box;
the turning plates are symmetrically hinged in the middle of the partition plate and are positioned in the outer side cavity;
one end of each turning plate close to the partition plate is provided with a rotating wheel which is fixedly connected;
the pair of rotating wheels are respectively a rotating wheel I and a rotating wheel II;
a plurality of uniformly distributed convex teeth I are arranged on the rotating wheel I;
the second rotating wheel is provided with a plurality of uniformly distributed second convex teeth;
the electric push rod is fixedly arranged on the partition plate and is positioned in the inner side cavity;
the rack linearly moves between the pair of turning plates through the electric push rod;
a plurality of convex teeth III meshed with the convex teeth I are arranged on one side of the rack;
a plurality of convex teeth IV meshed with the convex teeth II are arranged on the other side of the rack;
the pair of turning plates rotate in the outer side cavity through the linear motion of the rack;
the baffle is provided with a plurality of overflowing holes matched with the turning plates.
The device also comprises a transition box body;
the two ventilation box bodies are symmetrically and fixedly arranged between the transition box bodies;
the transition box body is respectively communicated with the pair of ventilation box bodies.
And the top of the ventilation box bodies is provided with a hanging lug for fixed connection.
The hangers are of L-shaped structures.
The air inlet is arranged at the middle position of the side surface of the ventilation box body.
The air inlet is circular.
And a sealing groove for mounting a sealing element is arranged on the outer circular surface of the air inlet.
The sealing element is an O-shaped ring.
The air outlet is of a rectangular structure.
The air outlet is positioned at the bottom of the ventilation box body.
The utility model comprises a ventilation box body and an air port mechanism; the air port mechanism comprises a rack, an electric push rod, a partition plate and a pair of turning plates arranged in pairs; wind enters the ventilation box body from the air inlet in the right side direction and flows downwards to the air outlet, the rack is moved up and down through the electric push rod at the air outlet, the first rotating wheel and the second rotating wheel which are matched with the rack rotate synchronously, and the adjustment of the size of an air outlet gap between the turning plate and the inner side wall of the air outlet is realized. The utility model has the characteristics of compact structure is reasonable, adjust air-out direction and air output etc.
Drawings
Figure 1 is a schematic perspective view of the present invention,
figure 2 is a schematic sectional structure of the present invention,
figure 3 is a structural schematic of state one of the tuyere mechanism,
FIG. 4 is a structural schematic view of the tuyere mechanism state two (rack omitted);
in the figure, 1 is a ventilation box body, 11 is an air inlet, 12 is an air outlet, 2 is an air outlet mechanism, 21 is a rack, 22 is an electric push rod, 23 is a partition plate, 24 is a turning plate, 241 is a first rotating wheel, 2411 is a first convex tooth, 242 is a second rotating wheel, 2421 is a second convex tooth, and 3 is a transition box body.
Detailed Description
The utility model is shown in figures 1-4, and comprises a ventilation box body 1 and an air inlet mechanism 2;
the ventilation box body 1 is provided with an air inlet 11 (an arrow from right to left in fig. 2 is an air inlet direction) and an air outlet 12;
the air outlet mechanism 2 is arranged in the air outlet 12 (the arrow direction at the bottom in fig. 2 is the air outlet direction);
the tuyere mechanism 2 comprises a rack 21, an electric push rod 22, a partition plate 23 and a pair of turning plates 24 which are arranged oppositely;
the baffle plate 23 is fixedly arranged in the air outlet 12 and divides the air outlet 12 into an inner cavity and an outer cavity;
the inner side cavity is communicated with the air inlet 11, and the outer side cavity is communicated with the outer side of the static pressure box;
the turning plates 24 are symmetrically hinged in the middle of the partition plate 23 and are positioned in the outer side cavity;
one ends of the turning plates 24 close to the partition plate 23 are respectively provided with a rotating wheel fixedly connected;
the pair of rotating wheels are a rotating wheel I241 and a rotating wheel II 242 respectively;
a plurality of uniformly distributed convex teeth I2411 are arranged on the rotating wheel I241;
a plurality of uniformly distributed second convex teeth 2421 are arranged on the second rotating wheel 242;
the electric push rod 22 is fixedly arranged on the partition plate 23 and is positioned in the inner side cavity;
the rack 21 moves linearly between the pair of turning plates 24 through the electric push rod 22;
a plurality of convex teeth III meshed with the convex teeth I2411 are arranged on one side of the rack 21;
a plurality of convex teeth IV meshed with the convex teeth II 2421 are arranged on the other side of the rack 21;
the pair of turning plates 24 rotate in the outer side cavity through the linear motion of the rack 21;
the partition plate 23 is provided with a plurality of overflowing holes matched with the pair of turning plates 24. Through the discharge hole, wind enters between the turning plate 24 and the inner side wall of the air outlet 12, and the air outlet angle and the size of the air outlet 12 are controlled through the turning angle.
As shown in fig. 2, wind enters the ventilation box 1 from the air inlet 11 in the right direction and flows downward to the air outlet 12, the rack 21 is moved up and down by the electric push rod 22 at the air outlet 12, so that the first rotating wheel 241 and the second rotating wheel 242 adapted to the rack rotate synchronously, and the adjustment of the size of the air outlet gap between the turning plate 24 and the inner side wall of the air outlet 12 is realized, wherein the direction of the dotted arrow in the figure represents the flow direction of the wind entering the outer side cavity from the inner side cavity.
Further optimize, the other end of turning over board 24 is the arc structure, through less turned angle, realizes fast turning over the interval regulatory function between board 24 and the air outlet 12 inside wall.
The device also comprises a transition box body 3;
the two ventilation box bodies 1 are symmetrically and fixedly arranged between the transition box bodies 3;
the transition box body 3 is respectively communicated with the pair of ventilation box bodies 1.
The top of the ventilation box body 1 is provided with a hanging lug for fixed connection.
The hangers are of L-shaped structures.
The air inlet 11 is arranged at the middle position of the side surface of the ventilation box body 1.
The air inlet 11 is circular. The air inlet 11 with a circular structure is convenient to be in adaptive connection with an external circular pipeline opening, and the installation convenience is improved.
And a sealing groove for mounting a sealing element is arranged on the outer circular surface of the air inlet 11, so that the sealing property of the installation of an external circular pipeline is improved.
The sealing element is an O-shaped ring.
The air outlet 12 is of a rectangular structure.
The air outlet 12 is located at the bottom of the ventilation box body 1.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.
Claims (10)
1. The muffling static pressure box capable of balancing the air volume is characterized by comprising a ventilation box body and an air port mechanism;
the ventilation box body is provided with an air inlet and an air outlet;
the air port mechanism is arranged in the air outlet;
the air port mechanism comprises a rack, an electric push rod, a partition plate and a pair of turning plates arranged in pairs;
the baffle is fixedly arranged in the air outlet to separate the air outlet into an inner cavity and an outer cavity;
the inner side cavity is communicated with the air inlet, and the outer side cavity is communicated with the outer side of the static pressure box;
the turning plates are symmetrically hinged in the middle of the partition plate and are positioned in the outer side cavity;
one end of each turning plate close to the partition plate is provided with a rotating wheel which is fixedly connected;
the pair of rotating wheels are respectively a rotating wheel I and a rotating wheel II;
a plurality of uniformly distributed convex teeth I are arranged on the rotating wheel I;
the second rotating wheel is provided with a plurality of uniformly distributed second convex teeth;
the electric push rod is fixedly arranged on the partition plate and is positioned in the inner side cavity;
the rack linearly moves between the pair of turning plates through the electric push rod;
a plurality of convex teeth III meshed with the convex teeth I are arranged on one side of the rack;
a plurality of convex teeth IV meshed with the convex teeth II are arranged on the other side of the rack;
the pair of turning plates rotate in the outer side cavity through the linear motion of the rack;
the baffle is provided with a plurality of overflowing holes matched with the turning plates.
2. The muffling plenum of claim 1, further comprising a transition box;
the two ventilation box bodies are symmetrically and fixedly arranged between the transition box bodies;
the transition box body is respectively communicated with the pair of ventilation box bodies.
3. The muffling plenum box capable of equalizing air volume according to claim 2, wherein a pair of the venting box bodies are provided at the top thereof with lugs for fixed connection.
4. The muffling plenum box of claim 3, wherein the hanger is an L-shaped structure.
5. The sound-damping plenum box capable of balancing air volume according to claim 1, wherein the air inlet is disposed at a middle position of a side surface of the vent box body.
6. The sound-absorbing plenum box of claim 1 or 5, wherein the air inlet is circular.
7. The sound-damping static pressure box capable of balancing air volume according to claim 6, is characterized in that a sealing groove for installing a sealing element is formed in the outer circular surface of the air inlet.
8. The muffled plenum of claim 7, wherein the sealing member is an O-ring.
9. The muffling plenum box of claim 1, wherein the outlet vent is of a rectangular configuration.
10. The muffling plenum of claim 1, wherein the outlet vents are located at the bottom of the vent box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120121261.4U CN214501655U (en) | 2021-01-15 | 2021-01-15 | Silencing static pressure box capable of balancing air quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120121261.4U CN214501655U (en) | 2021-01-15 | 2021-01-15 | Silencing static pressure box capable of balancing air quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214501655U true CN214501655U (en) | 2021-10-26 |
Family
ID=78214902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120121261.4U Active CN214501655U (en) | 2021-01-15 | 2021-01-15 | Silencing static pressure box capable of balancing air quantity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214501655U (en) |
-
2021
- 2021-01-15 CN CN202120121261.4U patent/CN214501655U/en active Active
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