CN210522019U - Automatic civil air defense filter with vibration/noise reduction function - Google Patents
Automatic civil air defense filter with vibration/noise reduction function Download PDFInfo
- Publication number
- CN210522019U CN210522019U CN201920892617.7U CN201920892617U CN210522019U CN 210522019 U CN210522019 U CN 210522019U CN 201920892617 U CN201920892617 U CN 201920892617U CN 210522019 U CN210522019 U CN 210522019U
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- Prior art keywords
- noise reduction
- filter body
- filter
- shaped groove
- shock absorption
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Abstract
The utility model discloses an automatic civil air defense filter with shock absorption and noise reduction functions, which comprises a filter body, wherein a noise reduction chamber is arranged around the filter body, and the noise reduction chamber is formed by splicing a plurality of noise reduction plates arranged outside the filter body; the bottom of the filter body is provided with a damping device, the damping device comprises a U-shaped groove, the bottom of the filter body is positioned in the U-shaped groove, corresponding threaded holes are formed in the two sides of the filter body and the side wall of the U-shaped groove on the corresponding side, bolts are arranged in the corresponding threaded holes, a damping pad is sleeved on the bolt between the adjacent side wall of the filter body and the side wall of the U-shaped groove, and a plurality of dampers are vertically arranged between the bottom of the filter body and the U-shaped groove; the bottom of the U-shaped groove is provided with a plurality of support legs, bottom feet are correspondingly arranged at the bottoms of the plurality of support legs respectively, and bottom foot plates are arranged at the bottoms of the bottom feet; the utility model discloses have excellent vibration/noise reduction function and prolonged the life of people's air defense filter.
Description
Technical Field
The utility model relates to an automatic people's air defense filter with vibration/noise reduction function belongs to people's air defense filter equipment field.
Background
The existing automatic civil air defense filter usually uses a support frame to be directly erected between pipeline connectors, when the filter is used for filtering, the vibration of the automatic civil air defense filter is often caused by the pressure of air flow and noise is generated, the air flow also generates a large amount of noise in the internal flowing of the filter, and no protective measures are adopted on the civil air defense filter, the parts of the filter are easy to loosen due to long-term vibration, the service life of the civil air defense filter is shortened, and the generation of the noise can also influence the physical and mental health of personnel.
Disclosure of Invention
For solving the not enough of prior art, the utility model provides an automatic people's air defense filter with vibration/noise reduction function has excellent vibration/noise reduction function and has prolonged people's air defense filter's life.
The utility model discloses the technical scheme who adopts does:
an automatic civil air defense filter with the functions of shock absorption and noise reduction comprises a filter body, wherein an air inlet and an air outlet are respectively arranged on two sides of the filter body; a noise reduction chamber is arranged around the filter body, and through holes corresponding to the air inlet and the air outlet are formed on two sides of the noise reduction chamber respectively; the noise reduction chamber is formed by splicing a plurality of noise reduction plates arranged outside the filter body; the bottom of the filter body is provided with a damping device, the damping device comprises a U-shaped groove, the bottom of the filter body is positioned in the U-shaped groove, corresponding threaded holes are formed in the two sides of the filter body and the side wall of the U-shaped groove on the corresponding side, bolts are arranged in the corresponding threaded holes, a damping pad is sleeved on the bolt between the adjacent side wall of the filter body and the side wall of the U-shaped groove, and a plurality of dampers are vertically arranged between the bottom of the filter body and the U-shaped groove; the bottom in U type groove is provided with a plurality of stabilizer blade, and a plurality of stabilizer blade bottom corresponds respectively and is provided with the footing, and the bottom of footing is provided with the footing board.
Preferably, the noise reduction plate sequentially comprises an acoustic board, an acoustic cotton board and a shell from inside to outside, one side of the acoustic board facing the filter body is provided with a plurality of protrusions, and a plurality of sound through holes are formed in the board body between the protrusions.
Preferably, the shock absorber comprises shock absorbing pieces, a buffer plate and a screw rod which are symmetrically arranged, each shock absorbing piece comprises a horizontally arranged support plate and arc plates arranged on two sides of the support plate, openings of the two arc plates are arranged towards a vertical central line, the two shock absorbing pieces are arranged towards one sides, close to the arc plates, of the two arc plates, and the tail ends of the arc plates of the two shock absorbing pieces form a horizontal plate structure and are mutually abutted; the utility model discloses a filter body, including the buffer board, the buffer board is provided with two, and two buffer boards symmetry respectively set up the top of the shock attenuation piece of upside and the bottom of the shock attenuation piece of downside, the vertical central line of shock attenuation piece, buffer board has been alternate to the screw rod, wherein one end and the filter body bottom threaded connection of screw rod, the other end of screw rod is located the bottom in U type groove and fastens with the nut.
Preferably, a buffer spring is sleeved on the screw rod between the two symmetrical damping sheets.
Preferably, a notch and a reducing notch which are communicated with each other are formed in the foot from top to bottom, an annular support plate is formed at the bottom of the support leg, and the radius of the reducing notch and the radius of an outer ring of the annular support plate are both larger than the radius of the notch; the supporting legs penetrate through the notches, the annular supporting plate is located in the different-diameter notches, the supporting legs at the tops of the notches are sleeved with first elastic pieces, and second elastic pieces are arranged in the different-diameter notches at the bottoms of the annular supporting plates.
Further preferred, encircle the lateral wall of footing is provided with the solid fixed ring of horizontally, gu be formed with a plurality of connecting hole on the fixed ring, it is provided with the connecting rod fixed with U type bottom of the groove respectively to alternate a plurality of connecting hole.
Preferably, a groove is formed in the center of the top of the base plate, threads are arranged on the inner wall of the groove, the base is in threaded connection with the base plate and provided with a plurality of fixing holes around the groove, and a rubber pad is further arranged at the bottom of the base plate.
Further preferably, a rubber ring is arranged in a threaded hole formed in the side wall of the U-shaped groove.
The beneficial effects of the utility model reside in that:
the noise reduction chamber formed by splicing a plurality of noise reduction plates arranged outside the filter body is used for carrying out noise reduction treatment on the automatic civil air defense filter, the sound absorption plate is provided with a plurality of bulges facing one side of the filter body, the energy consumption of sound waves between the sound absorption plate and the filter body is improved, the sound absorption cotton plate can effectively absorb the sound waves passing through the sound through holes, and the noise reduction efficiency is improved; adopt the buffer structure of damping device and stabilizer blade and footing, improved the buffering effect of automatic people's air defense filter to the vibration effect, be provided with the shock pad that the cover was established on bolt and the bolt on the both sides of filter body and the U type groove lateral wall that corresponds the side, alternate the connecting rod fixed with U type bottom of the groove that a plurality of connecting hole set up respectively, improved the stability of automatic people's air defense filter in effective absorbing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a noise reduction plate;
FIG. 3 is a schematic view of the structure of the shock absorber;
FIG. 4 is a schematic view of the connection between the legs and the feet;
the main reference numerals in the figures have the following meanings:
1. the noise reduction device comprises a filter body, 2, a noise reduction chamber, 3, a damping device, 4, support legs, 5, feet, 6, a base plate, 7, a rubber pad, 21, a noise reduction plate, 22, a sound absorption plate, 23, a sound absorption cotton plate, 24, a shell, 25, a bulge, 26, a sound through hole, 31, a U-shaped groove, 32, a bolt, 33, a damping pad, 34, a damper, 35, a damping sheet, 36, a support plate, 37, an arc plate, 38, a damping plate, 39, a screw rod, 391, a damping spring, 41, an annular support plate, 51, a notch, 52, a reducing notch, 53, a first elastic piece, 54, a second elastic piece, 55, a fixing ring, 56, a connecting rod, 61 and a fixing hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-4: the embodiment is an automatic civil air defense filter with the functions of shock absorption and noise reduction, which comprises a filter body 1, wherein an air inlet and an air outlet are respectively arranged on two sides of the filter body 1; a noise reduction chamber 2 is arranged around the filter body 1, and through holes corresponding to the air inlet and the air outlet are respectively formed on two sides of the noise reduction chamber 2; the noise reduction chamber 2 is formed by splicing a plurality of noise reduction plates 21 arranged outside the filter body 1; the damping device 3 is arranged at the bottom of the filter body 1, the damping device 3 comprises a U-shaped groove 31, the bottom of the filter body 1 is positioned in the U-shaped groove 31, corresponding threaded holes are formed in the two sides of the filter body 1 and the side wall of the U-shaped groove 31 on the corresponding side, bolts 32 are arranged in the corresponding threaded holes, a damping pad 33 is sleeved on the bolt 32 between the adjacent side wall of the filter body 1 and the side wall of the U-shaped groove 31, and a plurality of dampers 34 are vertically arranged between the bottom of the filter body 1 and the U-shaped groove 31; the bottom in U type groove 31 is provided with a plurality of stabilizer blade 4, and a plurality of stabilizer blade 4 bottom corresponds respectively and is provided with footing 5, and the bottom of footing 5 is provided with footing board 6.
Referring to fig. 2, the noise reduction plate 21 sequentially includes, from inside to outside, a sound absorption plate 22, a sound absorption cotton plate 23, and a casing 24, wherein a plurality of protrusions 25 are disposed on one side of the sound absorption plate 22 facing the filter body 1, and a plurality of sound holes 26 are formed in a plate body between the plurality of protrusions 25.
Referring to fig. 3, the damper 34 includes symmetrically disposed damping plates 35, a buffer plate 38 and a screw 39, the damping plates 35 include a horizontally disposed support plate 36 and arc plates 37 disposed on two sides of the support plate 36, openings of the two arc plates 37 are disposed toward a vertical center line, the two damping plates 35 are disposed toward one side of the arc plates 37 close to each other, and ends of the arc plates 37 of the two damping plates 35 form a horizontal plate structure and are abutted to each other; the number of the buffer plates 38 is two, the two buffer plates 38 are symmetrically arranged at the top of the upper shock absorption sheet 35 and at the bottom of the lower shock absorption sheet 35 respectively, the screw rod 39 penetrates through the vertical central lines of the shock absorption sheets 35 and the buffer plates 38, one end of the screw rod 39 is in threaded connection with the bottom of the filter body 1, and the other end of the screw rod 39 is located at the bottom of the U-shaped groove 31 and is fastened by nuts; a buffer spring 391 is sleeved on the screw rod 39 between the two symmetrical damping sheets 35.
As shown in fig. 4, a communicating notch 51 and a reducing notch 52 are formed in the foot 5 from top to bottom, the bottom of the leg 4 is formed with an annular support plate 41, and the radius of the reducing notch 52 and the radius of the outer ring of the annular support plate 41 are both larger than the radius of the notch 51; the support leg 4 penetrates through the notch 51, the annular support plate 41 is positioned in the reducing notch 52, a first elastic piece 53 is sleeved on the support leg 4 at the top of the notch 51, and a second elastic piece 54 is arranged in the reducing notch 52 at the bottom of the annular support plate 41; the lateral wall that encircles footing 5 is provided with the solid fixed ring 55 of horizontally, is formed with a plurality of connecting hole on the solid fixed ring 55, has penetrated a plurality of connecting hole and is provided with respectively with the fixed connecting rod 56 in U type groove 31 bottom.
Referring to fig. 1 and 4, a groove is formed in the center of the top of the footing plate 6, threads are formed in the inner wall of the groove, the footing 5 is in threaded connection with the footing plate 6, a plurality of fixing holes 61 are formed around the groove, and a rubber pad 7 is further arranged at the bottom of the footing plate 6.
In this embodiment, a rubber ring is arranged in the threaded hole formed in the side wall of the U-shaped groove 31.
In practical application, the utility model, the noise reduction chamber 2 formed by splicing the noise reduction plates 21 arranged outside the filter body 1 carries out noise reduction treatment on the automatic civil air defense filter, the sound absorption plate 22 is provided with a plurality of bulges 25 towards one side of the filter body 1, the energy consumption of sound waves between the sound absorption plate 22 and the filter body 1 is improved, the sound absorption cotton plate 23 can effectively absorb the sound waves passing through the sound through hole 26, and the noise reduction efficiency is improved;
a plurality of shock absorbers 34 are vertically arranged between the bottom of the filter body 1 and the U-shaped groove 31, two shock absorbing sheets 35 of the shock absorbers 34 are arranged towards one side of the arc-shaped plate 37, which is close to each other, the tail ends of the arc-shaped plate 37 of the two shock absorbing sheets 35 form a horizontal plate structure and are mutually abutted, and a buffer spring 391 is further sleeved on a screw 39 between the two symmetrical shock absorbing sheets 35, so that the buffer and shock absorption effects on the filter body 1 are improved; the support leg 4 penetrates through the notch 51, the annular support plate 41 is located in the reducing notch 52, the support leg 4 at the top of the notch 51 is sleeved with a first elastic part 53, a second elastic part 54 is arranged in the reducing notch 52 at the bottom of the annular support plate 41, when the filter body 1 receives vibration, the support leg 4 downwards generates a certain action, and the first elastic part 53 and the second elastic part 54 can well offset acting force and reduce the influence caused by vibration;
corresponding threaded holes are formed in the two sides of the filter body 1 and the side wall of the U-shaped groove 31 on the corresponding side, bolts 32 are arranged in the corresponding threaded holes, a shock absorption pad 33 is sleeved on the bolt 32 between the adjacent side wall of the filter body 1 and the side wall of the U-shaped groove 31, and a rubber ring is arranged in the threaded hole formed in the side wall of the U-shaped groove 31; one end of the screw rod 39 is in threaded connection with the bottom of the filter body 1, and the other end of the screw rod 39 is positioned at the bottom of the U-shaped groove 31 and is fastened by a nut; a buffer spring 391 is sleeved on the screw rod 39 between the two symmetrical damping sheets 35; the fixed ring 55 penetrates through the connecting rods 56 which are respectively arranged in the plurality of connecting holes and fixed to the bottom of the U-shaped groove 31, so that the stability of the filter body 1 can be effectively improved, and the impact of air flow on the filter body 1 is avoided.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an automatic people's air defense filter with vibration/noise reduction function which characterized in that: the filter comprises a filter body (1), wherein an air inlet and an air outlet are respectively arranged on two sides of the filter body (1); a noise reduction chamber (2) is arranged around the filter body (1), and through holes corresponding to the air inlet and the air outlet are formed on two sides of the noise reduction chamber (2) respectively; the noise reduction chamber (2) is formed by splicing a plurality of noise reduction plates (21) arranged outside the filter body (1); the damping device (3) is arranged at the bottom of the filter body (1), the damping device (3) comprises a U-shaped groove (31), the bottom of the filter body (1) is located in the U-shaped groove (31), corresponding threaded holes are formed in the two sides of the filter body (1) and the side wall of the U-shaped groove (31) on the corresponding side, bolts (32) are arranged in the corresponding threaded holes, a damping pad (33) is sleeved on the bolt (32) between the adjacent side wall of the filter body (1) and the side wall of the U-shaped groove (31), and a plurality of dampers (34) are vertically arranged between the bottom of the filter body (1) and the U-shaped groove (31); the bottom in U type groove (31) is provided with a plurality of stabilizer blade (4), a plurality of stabilizer blade (4) bottom corresponds respectively and is provided with footing (5), the bottom of footing (5) is provided with footing board (6).
2. The automatic civil air defense filter with the shock absorption and noise reduction functions as claimed in claim 1, wherein the noise reduction plate (21) comprises an acoustic board (22), an acoustic cotton board (23) and a shell (24) from inside to outside in sequence, one side of the acoustic board (22) facing the filter body (1) is provided with a plurality of protrusions (25), and a plurality of sound through holes (26) are formed in the board body between the protrusions (25).
3. The automatic civil air defense filter with the shock absorption and noise reduction functions as claimed in claim 1, wherein the shock absorber (34) comprises shock absorption sheets (35), a buffer plate (38) and a screw (39) which are symmetrically arranged, the shock absorption sheets (35) comprise a horizontally arranged support plate (36) and arc plates (37) arranged on two sides of the support plate (36), the openings of the two arc plates (37) are arranged towards a vertical central line, the two shock absorption sheets (35) are arranged towards one side of the arc plates (37) close to each other, and the ends of the arc plates (37) of the two shock absorption sheets (35) form a horizontal plate structure and are abutted against each other; buffer board (38) are provided with two, and two buffer board (38) symmetry respectively set up the top of shock attenuation piece (35) of upside and the bottom of shock attenuation piece (35) of downside, the vertical central line of shock attenuation piece (35), buffer board (38) has been worn to screw rod (39), wherein one end and filter body (1) bottom threaded connection of screw rod (39), the other end of screw rod (39) is located the bottom in U type groove (31) and fastens with the nut.
4. An automatic civil air defense filter with shock absorption and noise reduction functions according to claim 3, characterized in that a buffer spring (391) is further sleeved on the screw rod (39) between the two symmetrical shock absorption sheets (35).
5. The automatic civil air defense filter with the shock absorption and noise reduction functions as claimed in claim 1, characterized in that the bottom of the foot (5) is provided with a communicating notch (51) and a reducing notch (52) from top to bottom, the bottom of the supporting leg (4) is provided with an annular support plate (41), the radius of the reducing notch (52) and the radius of the outer ring of the annular support plate (41) are both larger than the radius of the notch (51); the supporting leg (4) penetrates through the notch (51), the annular supporting plate (41) is located in the reducing notch (52), the supporting leg (4) at the top of the notch (51) is sleeved with the first elastic part (53), and the second elastic part (54) is arranged in the reducing notch (52) at the bottom of the annular supporting plate (41).
6. The automatic civil air defense filter with the shock absorption and noise reduction functions as claimed in claim 1, wherein a horizontal fixing ring (55) is arranged around the side wall of the bottom foot (5), a plurality of connecting holes are formed on the fixing ring (55), and a connecting rod (56) fixed with the bottom of the U-shaped groove (31) is respectively arranged through the plurality of connecting holes.
7. The automatic civil air defense filter with the shock absorption and noise reduction functions as claimed in claim 1, wherein a groove is arranged at the top center position of the base plate (6), threads are arranged on the inner wall of the groove, the bottom foot (5) is in threaded connection with the base plate (6), a plurality of fixing holes (61) are arranged around the groove, and a rubber pad (7) is further arranged at the bottom of the base plate (6).
8. The automatic civil air defense filter with the shock absorption and noise reduction functions as claimed in claim 1, wherein a rubber ring is arranged in a threaded hole formed in the side wall of the U-shaped groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892617.7U CN210522019U (en) | 2019-06-14 | 2019-06-14 | Automatic civil air defense filter with vibration/noise reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892617.7U CN210522019U (en) | 2019-06-14 | 2019-06-14 | Automatic civil air defense filter with vibration/noise reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210522019U true CN210522019U (en) | 2020-05-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920892617.7U Expired - Fee Related CN210522019U (en) | 2019-06-14 | 2019-06-14 | Automatic civil air defense filter with vibration/noise reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210522019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879683A (en) * | 2021-11-12 | 2022-01-04 | 航天特种材料及工艺技术研究所 | Leg assembly of packing box and packing box thereof |
-
2019
- 2019-06-14 CN CN201920892617.7U patent/CN210522019U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879683A (en) * | 2021-11-12 | 2022-01-04 | 航天特种材料及工艺技术研究所 | Leg assembly of packing box and packing box thereof |
| CN113879683B (en) * | 2021-11-12 | 2023-02-17 | 航天特种材料及工艺技术研究所 | Leg assembly of packing box and packing box thereof |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 |
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| CF01 | Termination of patent right due to non-payment of annual fee |