CN216769757U - Silencing static pressure box - Google Patents
Silencing static pressure box Download PDFInfo
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- CN216769757U CN216769757U CN202123179181.3U CN202123179181U CN216769757U CN 216769757 U CN216769757 U CN 216769757U CN 202123179181 U CN202123179181 U CN 202123179181U CN 216769757 U CN216769757 U CN 216769757U
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- static pressure
- connecting plate
- elastic sheet
- pressure box
- damping
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Abstract
The utility model relates to the technical field of static pressure boxes, in particular to a noise elimination static pressure box which comprises a body, wherein the bottom of the body is fixedly connected with a damping mechanism, the bottom of the damping mechanism is movably connected with a supporting mechanism, the damping mechanism comprises a connecting plate, a first elastic sheet, a spring, a sliding rod, a screw rod and a limiting block, the bottom of the connecting plate is fixedly provided with the first elastic sheet through a bolt, the bottom of the connecting plate is provided with the spring, the bottom of the connecting plate is fixedly connected with the sliding rod, and one end, far away from the connecting plate, of the sliding rod is fixedly connected with the screw rod. The utility model has the advantages that: through setting up damper, carry out the shock attenuation to static pressure case body, the slide bar carries on spacingly to static pressure case body, and the noise that produces is collided with the building when avoiding static pressure case body vibrations, through setting up first shell fragment and second shell fragment, ensures the shock attenuation effect, is convenient for install and dismantle first shell fragment and second shell fragment simultaneously, has improved the practicality.
Description
Technical Field
The utility model relates to the technical field of static pressure boxes, in particular to a silencing static pressure box.
Background
With the development of society, more and more commercial and civil buildings are built, which can not only reduce ventilation and central air conditioning systems, and the static pressure box is a necessary accessory for reducing dynamic pressure, increasing static pressure, stabilizing air flow and reducing air flow vibration of an 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.
However, the prior silencing plenum box has the following disadvantages:
the existing silencing static pressure box is generally fixed on a building through bolts, and due to the flowing of gas, the silencing static pressure box can vibrate in the using process, so that the bolts at the installation position are easy to loosen, and once the bolts are loosened, the vibration amplitude of the silencing static pressure box is increased, and the bolts collide with the building to generate noise.
Therefore, there is a need to provide a silencing plenum box to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a silencing static pressure box.
The purpose of the utility model is realized by the following technical scheme: a silencing static pressure box comprises a body, wherein the bottom of the body is fixedly connected with a damping mechanism, and the bottom of the damping mechanism is movably connected with a supporting mechanism;
the damping mechanism comprises a connecting plate, a first elastic sheet, a spring, a sliding rod, a screw rod and a limiting block, wherein the first elastic sheet is fixedly installed at the bottom of the connecting plate through a bolt, the spring is arranged at the bottom of the connecting plate, the sliding rod is fixedly connected to the bottom of the connecting plate, the screw rod is fixedly connected to one end, far away from the connecting plate, of the sliding rod, and the limiting block is connected to the sliding rod through screw threads.
Preferably, the body comprises a static pressure box body, a connecting pipe, a flange plate and a screw hole, wherein the connecting pipe is fixedly connected to both sides of the static pressure box body, the flange plate is fixedly connected to one end, far away from the static pressure box body, of the connecting pipe, and the screw hole is formed in the bottom of the static pressure box body.
By adopting the technical scheme, all parts contained in the body and the connection mode among the parts are introduced.
Preferably, the supporting mechanism comprises a supporting frame, a through hole, a sliding hole and a second elastic sheet, the through hole is formed in one side of the supporting frame, the sliding hole is formed in the top of the supporting frame, and the second elastic sheet is fixedly mounted on the top of the supporting frame through a bolt.
By adopting the technical scheme, all parts contained in the supporting mechanism and the connection mode among the parts are introduced.
Preferably, the first elastic sheet is in a semicircular arc shape, and the second elastic sheet is in the same shape as the first elastic sheet.
By adopting the technical scheme, the shapes of the first elastic sheet and the second elastic sheet are introduced.
Preferably, holes are formed in the two sides of the bottom of the connecting plate, and the connecting plate is fixedly connected to the bottom of the static pressure box body through the holes and the screw holes by bolts.
Through adopting above-mentioned technical scheme, the concrete connected mode between damper and the body has been introduced.
Preferably, the sliding rod is connected with the supporting frame in a sliding mode through the sliding hole, and one side, far away from the supporting frame, of the second elastic piece is in contact with one side, far away from the connecting plate, of the first elastic piece.
By adopting the technical scheme, a specific connection mode between the damping mechanism and the supporting mechanism is introduced.
Preferably, the spring is located on an outer surface of the slide bar.
Through adopting above-mentioned technical scheme, the concrete position that the spring was located has been introduced.
Preferably, the number of the first elastic pieces and the number of the second elastic pieces are multiple, and the number of the first elastic pieces is the same as that of the second elastic pieces.
Through adopting above-mentioned technical scheme, introduced the quantity relation between first shell fragment and the second shell fragment, when using a period, when the elasticity variation of first shell fragment and second shell fragment, can twist and move the bolt, pull down first shell fragment and second shell fragment and change, ensure the shock attenuation effect, be convenient for simultaneously install and dismantle first shell fragment and second shell fragment, improved the practicality.
The utility model has the following advantages:
1. according to the silencing static pressure box, by arranging the damping mechanism, when the static pressure box body vibrates due to gas flow, one side, far away from the support frame, of the second elastic sheet is in contact with one side, far away from the connecting plate, of the first elastic sheet, so that the static pressure box body is damped, meanwhile, the spring also damps the static pressure box body, the vibration frequency of the static pressure box body is reduced, the slide rod is connected with the support frame in a sliding mode through the slide hole, the slide rod limits the static pressure box body, and noise generated by collision between the static pressure box body and a building when the static pressure box body vibrates is avoided;
2. this noise elimination static pressure case, through setting up first shell fragment and second shell fragment, first shell fragment passes through bolt fixed mounting in the bottom of connecting plate, and the second shell fragment passes through bolt fixed mounting at the top of support frame, and when using a period, the elasticity of first shell fragment and second shell fragment is poor, can twist the bolt, pull down first shell fragment and second shell fragment and change, ensure the shock attenuation effect, be convenient for simultaneously install and dismantle first shell fragment and second shell fragment, improved the practicality.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the main body of the present invention;
FIG. 3 is a schematic structural view of the shock absorbing mechanism of the present invention;
fig. 4 is a schematic structural diagram of the supporting mechanism of the present invention.
In the figure: 1-body, 101-static pressure box body, 102-connecting pipe, 103-flange plate, 104-screw hole, 2-damping mechanism, 201-connecting plate, 202-first elastic sheet, 203-spring, 204-sliding rod, 205-screw rod, 206-limiting block, 3-supporting mechanism, 301-supporting frame, 302-through hole, 303-sliding hole and 304-second elastic sheet.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.
As shown in fig. 1-4, a silencing static pressure box comprises a body 1, wherein the bottom of the body 1 is fixedly connected with a damping mechanism 2, and the bottom of the damping mechanism 2 is movably connected with a supporting mechanism 3;
as shown in fig. 3, the damping mechanism 2 includes a connecting plate 201, a first elastic sheet 202, a spring 203, a sliding rod 204, a screw 205 and a limiting block 206, the first elastic sheet 202 is fixedly installed at the bottom of the connecting plate 201 through a bolt, the spring 203 is installed at the bottom of the connecting plate 201, the sliding rod 204 is fixedly connected to the bottom of the connecting plate 201, the screw 205 is fixedly connected to one end of the sliding rod 204 away from the connecting plate 201, the limiting block 206 is connected to the sliding rod 204 through a screw thread 205, by installing the damping mechanism 2, when the static pressure box body 101 vibrates due to gas flow, one side of the second elastic sheet 304 away from the supporting frame 301 contacts with one side of the first elastic sheet 202 away from the connecting plate 201 to damp the static pressure box body 101, and the spring 203 also damps the static pressure box body 101 to reduce the vibration frequency of the box body 101, the sliding rod 204 is slidably connected to the supporting frame 301 through a sliding hole 303, the sliding rod 204 limits the static pressure box body 101, avoid the static pressure box body 101 from colliding with the building to generate noise when vibrating.
As a preferred technical solution of the present invention, as shown in fig. 2, the body 1 includes a static pressure box body 101, a connecting pipe 102, a flange 103 and a screw hole 104, the connecting pipe 102 is fixedly connected to both sides of the static pressure box body 101, the flange 103 is fixedly connected to one end of the connecting pipe 102 far away from the static pressure box body 101, and the screw hole 104 is formed at the bottom of the static pressure box body 101.
As a preferred technical solution of the present invention, as shown in fig. 4, the supporting mechanism 3 includes a supporting frame 301, a through hole 302, a sliding hole 303 and a second elastic sheet 304, the through hole 302 is formed on one side of the supporting frame 301, the sliding hole 303 is formed on the top of the supporting frame 301, and the second elastic sheet 304 is fixedly mounted on the top of the supporting frame 301 through a bolt.
As a preferred embodiment of the present invention, as shown in fig. 3, the first elastic sheet 202 is in a semi-circular arc shape, and the second elastic sheet 304 is in the same shape as the first elastic sheet 202.
As a preferred technical solution of the present invention, as shown in fig. 1 and 3, holes are formed on both sides of the bottom of the connecting plate 201, and the connecting plate 201 is fixedly connected to the bottom of the static pressure box body 101 by bolts through the holes and the screw holes 104.
As a preferred technical solution of the present invention, as shown in fig. 1, the sliding rod 204 is slidably connected to the supporting frame 301 through the sliding hole 303, and one side of the second elastic sheet 304 away from the supporting frame 301 is in contact with one side of the first elastic sheet 202 away from the connecting plate 201.
As a preferred embodiment of the present invention, as shown in FIG. 3, the spring 203 is located on the outer surface of the sliding rod 204.
As a preferred technical solution of the present invention, as shown in fig. 3 and 4, the number of the first elastic sheet 202 and the second elastic sheet 304 is multiple, and the number of the first elastic sheet 202 is the same as the number of the second elastic sheet 304, by providing the first elastic sheet 202 and the second elastic sheet 304, the first elastic sheet 202 is fixedly mounted at the bottom of the connecting plate 201 through a bolt, and the second elastic sheet 304 is fixedly mounted at the top of the supporting frame 301 through a bolt, when the elasticity of the first elastic sheet 202 and the second elastic sheet 304 is deteriorated after a period of use, the bolt can be screwed, and the first elastic sheet 202 and the second elastic sheet 304 can be detached and replaced, so as to ensure the damping effect, and facilitate the mounting and detaching of the first elastic sheet 202 and the second elastic sheet 304, thereby improving the practicability.
The working process of the utility model is as follows:
s1, when the static pressure box body 101 vibrates due to the flow of gas, one side of the second elastic sheet 304, which is far away from the support frame 301, is in contact with one side of the first elastic sheet 202, which is far away from the connecting plate 201, so as to damp the static pressure box body 101;
s2, the spring 203 also damps the static pressure box body 101 to reduce the vibration frequency of the static pressure box body 101, the slide rod 204 is connected with the support frame 301 in a sliding manner through the slide hole 303, and the slide rod 204 limits the static pressure box body 101 to avoid the generation of noise caused by collision with a building when the static pressure box body 101 vibrates;
s3, when the elastic piece is used for a period of time, the bolt can be screwed to detach the first elastic piece 202 and the second elastic piece 304 for replacement, so that the damping effect is ensured, the first elastic piece 202 and the second elastic piece 304 can be conveniently mounted and dismounted, and the practicability is improved.
To sum up, when a user uses the static pressure box, by arranging the damping mechanism 2, when the static pressure box body 101 vibrates due to gas flow, one side of the second elastic sheet 304, which is far away from the support frame 301, is in contact with one side of the first elastic sheet 202, which is far away from the connecting plate 201, so as to damp the static pressure box body 101, and simultaneously, the spring 203 also damps the static pressure box body 101, so as to reduce the vibration frequency of the static pressure box body 101, the slide rod 204 is in sliding connection with the support frame 301 through the slide hole 303, and the slide rod 204 limits the static pressure box body 101, so as to avoid the noise caused by collision between the static pressure box body 101 and a building when vibrating; through setting up first shell fragment 202 and second shell fragment 304, first shell fragment 202 passes through bolt fixed mounting in the bottom of connecting plate 201, second shell fragment 304 passes through bolt fixed mounting at the top of support frame 301, in using a period, when the elasticity of first shell fragment 202 and second shell fragment 304 worsens, can twist the bolt, pull down first shell fragment 202 and second shell fragment 304 and change, ensure the shock attenuation effect, be convenient for install and dismantle first shell fragment 202 and second shell fragment 304 simultaneously, the practicality has been improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (8)
1. A noise elimination plenum chamber which characterized in that: the damping device comprises a body (1), wherein the bottom of the body (1) is fixedly connected with a damping mechanism (2), and the bottom of the damping mechanism (2) is movably connected with a supporting mechanism (3);
the damping mechanism (2) comprises a connecting plate (201), a first elastic sheet (202), a spring (203), a sliding rod (204), a screw rod (205) and a limiting block (206), wherein the first elastic sheet (202) is fixedly mounted at the bottom of the connecting plate (201) through a bolt, the spring (203) is arranged at the bottom of the connecting plate (201), the sliding rod (204) is fixedly connected to the bottom of the connecting plate (201), the screw rod (205) is fixedly connected to one end, far away from the connecting plate (201), of the sliding rod (204), and the limiting block (206) is connected to the sliding rod (204) through the screw rod (205) in a threaded mode.
2. A sound-damping plenum box according to claim 1, wherein: the static pressure box comprises a body (1) and is characterized in that the body (1) comprises a static pressure box body (101), a connecting pipe (102), a flange plate (103) and a screw hole (104), the connecting pipe (102) is fixedly connected to the two sides of the static pressure box body (101), the flange plate (103) is fixedly connected to one end, far away from the static pressure box body (101), of the connecting pipe (102), and the screw hole (104) is formed in the bottom of the static pressure box body (101).
3. A sound-damping plenum box according to claim 2, wherein: the supporting mechanism (3) comprises a supporting frame (301), a through hole (302), a sliding hole (303) and a second elastic sheet (304), the through hole (302) is formed in one side of the supporting frame (301), the sliding hole (303) is formed in the top of the supporting frame (301), and the second elastic sheet (304) is fixedly mounted at the top of the supporting frame (301) through a bolt.
4. A sound-damping plenum box according to claim 3, wherein: the first elastic sheet (202) is in a semi-circular arc shape, and the second elastic sheet (304) is the same as the first elastic sheet (202) in shape.
5. A sound-damping plenum box according to claim 2, wherein: holes are formed in the two sides of the bottom of the connecting plate (201), and the connecting plate (201) is fixedly connected to the bottom of the static pressure box body (101) through the holes and the screw holes (104) by bolts.
6. A sound-damping plenum box according to claim 3, wherein: the sliding rod (204) is connected with the supporting frame (301) in a sliding mode through the sliding hole (303), and one side, far away from the supporting frame (301), of the second elastic sheet (304) is in contact with one side, far away from the connecting plate (201), of the first elastic sheet (202).
7. A sound-damping plenum box according to claim 1, wherein: the spring (203) is located on the outer surface of the slide bar (204).
8. A sound-damping plenum box according to claim 3, wherein: the number of the first elastic pieces (202) and the number of the second elastic pieces (304) are multiple, and the number of the first elastic pieces (202) is the same as that of the second elastic pieces (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123179181.3U CN216769757U (en) | 2021-12-17 | 2021-12-17 | Silencing static pressure box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123179181.3U CN216769757U (en) | 2021-12-17 | 2021-12-17 | Silencing static pressure box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216769757U true CN216769757U (en) | 2022-06-17 |
Family
ID=81968103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123179181.3U Active CN216769757U (en) | 2021-12-17 | 2021-12-17 | Silencing static pressure box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216769757U (en) |
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2021
- 2021-12-17 CN CN202123179181.3U patent/CN216769757U/en active Active
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