CN212202392U - Air pump noise eliminator - Google Patents
Air pump noise eliminator Download PDFInfo
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- CN212202392U CN212202392U CN202020460331.4U CN202020460331U CN212202392U CN 212202392 U CN212202392 U CN 212202392U CN 202020460331 U CN202020460331 U CN 202020460331U CN 212202392 U CN212202392 U CN 212202392U
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Abstract
The utility model relates to an air pump technical field specifically discloses an air pump noise eliminator, including casing and bottom plate, the fixed circle board that is provided with in bottom outer lane of casing, the thru hole has been seted up in the four corners of circle board, and first bolt passes the perforation and fixes the circle board on the bottom plate, and the casing includes metal supporting layer and amortization cotton, and the amortization cotton sets up the inside at the metal supporting layer to carry out the amortization. The bottom of air pump body is provided with the air pump bottom plate, and the perforation has been seted up in the four corners of air pump bottom plate, and the second bolt passes the perforation connection on the bottom plate, is provided with the shock attenuation cotton between the bottom of air pump bottom plate and the bottom plate, and the shock attenuation is cotton to be set up and is carried out the shock attenuation, presss from both sides between air pump bottom plate and the shock attenuation cotton and is equipped with the acoustical panel, and the setting of acoustical panel further plays the noise cancelling effect, and the below of air pump bottom plate nestification has the supporting legs on the second bolt. The utility model discloses the advantage: simple structure, simple to operate, low in manufacturing cost, the shock attenuation is effectual, the facilitate promotion is implemented.
Description
Technical Field
The utility model relates to an air pump technical field specifically is an air pump noise eliminator.
Background
The air pump is a device for removing air from a closed space or adding air from the closed space, and mainly comprises an electric air pump, a manual air pump and a foot-operated air pump. On the other hand, the air cylinder guides the air in the air cylinder into a pressure regulating valve fixed on the air pump through an air guide pipe, so that the air pressure in the air cylinder is controlled. When the air pressure in the air cylinder does not reach the pressure set by the pressure regulating valve, the air entering the pressure regulating valve from the air cylinder cannot jack the valve of the pressure regulating valve; when the air pressure in the air reservoir reaches the pressure set by the pressure regulating valve, the air entering the pressure regulating valve from the air reservoir jacks the valve of the pressure regulating valve, enters the air passage communicated with the pressure regulating valve in the air pump, and controls the air inlet of the air pump to be normally open through the air passage, so that the air pump runs under the idle load, and the aims of reducing power loss and protecting the air pump are fulfilled. When the air pressure in the air reservoir is lower than the pressure set by the pressure regulating valve due to loss, the valve in the pressure regulating valve is reset by the return spring, the control air path of the air pump is cut off, and the air pump starts pumping again. The air cushion bed is air suspension bed, and the air pump obtains extensive application in the air cushion bed, and air pump structure for the air cushion bed among the prior art is unstable, and fixed effect is not good, and the air pump is in the use simultaneously, produces big noise easily, can not filter the impurity in the air, and environmental protection effect is not good.
Chinese patent (publication No. CN 209838627U, bulletin date: 2019.12.24) discloses an environment-friendly air pump for an air cushion bed, which comprises a shell, a pump body, a fixing nut, a bearing plate, a fastening screw, a supporting leg, a supporting plate, a connecting column, a T-shaped block, a noise elimination air drum, an air guide pipe, an air outlet nozzle, a base, an air inlet, an annular pipe, a noise elimination cavity, a fixing column, a noise elimination panel, noise elimination cotton, a filter screen, an active carbon layer, a noise elimination mask, an air outlet, an extrusion plate, a spring, a supporting block, an upright column and damping cotton, wherein the pump body is arranged in the middle of the shell, one end of the pump body is connected with the noise elimination air drum through the air guide pipe, the air outlet nozzle is welded to the top of the noise elimination air drum, the air inlet and the air outlet are respectively arranged at two corresponding. The air pump has a complex structure and high manufacturing cost, and is not convenient to popularize and implement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air pump noise eliminator to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an air pump noise eliminator, includes casing and bottom plate, and the bottom outer lane of casing is fixed and is provided with the collar plate, and the thru hole has been seted up at the four corners of collar plate, and first bolt passes the perforation and fixes the collar plate on the bottom plate to connect. The casing includes that metal supporting layer and amortization are cotton, and the amortization is cotton to be set up in the inside of metal supporting layer to carry out the amortization. The bottom of air pump body is provided with the air pump bottom plate, and the perforation has been seted up at the four corners of air pump bottom plate, and the second bolt passes the perforation connection on the bottom plate to connect.
Be provided with the shock attenuation cotton between the bottom of air pump bottom plate and the bottom plate, the shock attenuation is carried out in the cotton setting of shock attenuation to the amortization of being convenient for. The air pump bottom plate is provided with the acoustical panel with the shock attenuation cotton between pressing from both sides, and the setting of acoustical panel further plays the amortization, has improved noise cancelling effect. The supporting legs are nested on the second bolts below the air pump bottom plate, and have supporting effects on the air pump bottom plate, and the shock absorption effect is increased.
As a further aspect of the present invention: a second rubber pad is nested on the first bolt above the ring plate, and the second rubber pad plays a role in shock absorption.
As a further aspect of the present invention: be provided with first rubber pad between circle board and the bottom plate, setting up of first rubber pad has increased the leakproofness between casing and the bottom plate to noise cancelling effect has been increased.
As a further aspect of the present invention: the spring is nested on the second bolt above the air pump bottom plate, the spring presses the air pump bottom plate downwards, and the air pump bottom plate moves downwards under the action of the spring, so that the damping effect is further improved.
As a further aspect of the present invention: the rubber ring is arranged in the through hole on the air pump bottom plate, plays a role in damping and has a horizontal shock absorption function.
As a further aspect of the present invention: the supporting legs are cylindrical structures with thin middle parts and thick two ends, so that the supporting area of the supporting legs is increased, and the supporting is more stable.
As a further aspect of the present invention: the outer side wall of the supporting leg is provided with an annular groove, and the arrangement of the groove increases the folds of the supporting leg, so that the supporting leg is convenient to compress.
Compared with the prior art, the beneficial effects of the utility model are that: the second bolt passes spring, perforation and supporting legs, with air pump bottom plate fixed mounting on the bottom plate, and first bolt passes rubber pad and thru hole and installs the casing on the bottom plate, and when air pump body work produced vibration, the metal supporting layer played the noise cancelling effect, spring, supporting legs and shock attenuation cotton interact to carry out the shock attenuation, under the effect of acoustical panel, further improved the noise cancelling effect. The utility model discloses the advantage: simple structure, simple to operate, low in manufacturing cost, the shock attenuation is effectual, the facilitate promotion is implemented.
Drawings
Fig. 1 is a schematic perspective view of a muffler device for an air pump.
Fig. 2 is a schematic view of the internal structure of a muffler device for an air pump.
Fig. 3 is a schematic structural diagram of a supporting leg in an air pump muffler device.
In the figure, a shell 1, a first rubber pad 2, a bottom plate 3, a second rubber pad 4, a first bolt 5, a ring plate 6, a metal supporting layer 7, silencing cotton 8, an air pump body 9, an air pump bottom plate 10, a second bolt 11, a spring 12, a rubber ring 13, supporting legs 14, a silencing plate 15 and damping cotton 16.
Detailed Description
In order to clearly understand the technical features, objects and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.
Example 1
Referring to fig. 1-2, a muffler device for an air pump includes a housing 1 and a bottom plate 3, wherein a ring plate 6 is fixedly disposed on an outer ring of a bottom of the housing 1, through holes are formed at four corners of the ring plate 6, and a first bolt 5 penetrates through the through holes to fix the ring plate 6 on the bottom plate 3 for connection. The second rubber pad 4 is nested on the first bolt 5 above the ring plate 6, the second rubber pad 4 plays a role in shock absorption, the first rubber pad 2 is arranged between the ring plate 6 and the bottom plate 3, the first rubber pad 2 is arranged to increase the sealing performance between the shell 1 and the bottom plate 3, and therefore the noise reduction effect is improved. The casing 1 includes metal supporting layer 7 and amortization cotton 8, and amortization cotton 8 sets up in the inside of metal supporting layer 7 to the amortization carries out. The bottom of air pump body 9 is provided with air pump bottom plate 10, and the perforation has been seted up at the four corners of air pump bottom plate 10, and second bolt 11 passes the perforation and connects on bottom plate 3 to connect.
The damping cotton 16 is arranged between the bottom of the air pump bottom plate 10 and the bottom plate 3, and the damping cotton 16 is arranged for damping, so that noise is conveniently reduced. The silencing plate 15 is clamped between the air pump bottom plate 10 and the damping cotton 16, and the silencing plate 15 further plays a silencing role, so that the silencing effect is improved. The supporting legs 14 are nested on the second bolts 11 below the air pump bottom plate 10, and the supporting legs 14 have a supporting effect on the air pump bottom plate 10, so that the damping effect is improved. The spring 12 is embedded on the second bolt 11 above the air pump bottom plate 10, the spring 12 presses the air pump bottom plate 10 downwards, and the air pump bottom plate 10 moves downwards under the action of the spring 12, so that the damping effect is further improved. The rubber ring 13 is arranged in the through hole on the air pump bottom plate 10, and the rubber ring 13 plays a damping role and has a horizontal shock absorption function.
The utility model discloses a theory of operation is: second bolt 11 passes spring 12, perforation and supporting legs 14, with air pump bottom plate 10 fixed mounting on bottom plate 3, and first bolt 5 passes second rubber pad 4 and thru hole and installs casing 1 on bottom plate 3, and when air pump body 9 work produced vibration, metal supporting layer 7 played the noise cancelling effect, spring 12, supporting legs 14 and 16 interact of shock attenuation cotton to carry out the shock attenuation, under the effect of acoustical panel 15, further improved the noise cancelling effect.
Example 2
Referring to fig. 3, based on embodiment 1, the supporting leg 14 is a cylindrical structure with a thin middle part and thick two ends, so that the supporting area of the supporting leg 14 is increased, and the supporting is more stable. The outer side wall of the supporting leg 14 is provided with an annular groove, and the arrangement of the groove increases the fold of the supporting leg 14, so that the supporting leg 14 can be compressed conveniently.
The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The air pump noise eliminator comprises a shell (1) and a bottom plate (3), wherein a ring plate (6) is fixedly arranged on the outer ring of the bottom of the shell (1), through holes are formed in four corners of the ring plate (6), a first bolt (5) penetrates through the through holes to fix the ring plate (6) on the bottom plate (3), and the air pump noise eliminator is characterized in that the shell (1) comprises a metal supporting layer (7) and noise eliminating cotton (8), the noise eliminating cotton (8) is arranged inside the metal supporting layer (7), an air pump bottom plate (10) is arranged at the bottom of an air pump body (9), the through holes are formed in four corners of the air pump bottom plate (10), and a second bolt (11) penetrates through the through holes to be connected onto the bottom plate;
damping cotton (16) is arranged between the bottom of the air pump bottom plate (10) and the bottom plate (3), a silencing plate (15) is clamped between the air pump bottom plate (10) and the damping cotton (16), and supporting legs (14) are nested on the second bolts (11) below the air pump bottom plate (10).
2. A pump muffler assembly according to claim 1, wherein a second rubber gasket (4) is fitted over the first bolt (5) above the ring plate (6).
3. A sound-damping device for an air pump, as claimed in claim 1, characterized in that a first rubber pad (2) is arranged between the ring plate (6) and the base plate (3).
4. A pump muffler assembly according to claim 1, wherein a spring (12) is nested on the second bolt (11) above the pump base plate (10), the spring (12) pressing down on the pump base plate (10).
5. A sound-damping device for an air pump, as claimed in claim 4, characterized in that the holes in the air pump base plate (10) are internally provided with rubber rings (13).
6. A muffler device for an air pump according to any one of claims 1 to 4, wherein the supporting leg (14) has a cylindrical structure with a thin middle part and thick ends.
7. The air pump muffler device according to claim 6, wherein the outer side wall of the supporting leg (14) is provided with an annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020460331.4U CN212202392U (en) | 2020-04-02 | 2020-04-02 | Air pump noise eliminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020460331.4U CN212202392U (en) | 2020-04-02 | 2020-04-02 | Air pump noise eliminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212202392U true CN212202392U (en) | 2020-12-22 |
Family
ID=73828198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020460331.4U Active CN212202392U (en) | 2020-04-02 | 2020-04-02 | Air pump noise eliminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212202392U (en) |
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2020
- 2020-04-02 CN CN202020460331.4U patent/CN212202392U/en active Active
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