CN218206985U - Improved noise reduction assembly of vacuum pump - Google Patents

Abstract

The utility model discloses a vacuum pump improved generation noise subassembly that falls belongs to the vacuum pump field, a vacuum pump improved generation noise subassembly that falls, including the motor, motor upper end middle part is provided with sealed O shape circle, the base is installed to the motor upper end, the inboard threaded connection of base has two base fixed short screws, the base passes through base fixed short screw and motor fixed connection, the leather cup support is installed to the base upper end, the cylinder body leather cup is installed to leather cup support upper end, air outlet valve piece support is installed to cylinder body leather cup upper end, a plurality of air outlet check valve blocks are installed to the inside upper end of air outlet valve piece support, it can realize the function of making an uproar of vacuum pump, through increasing at the gas outlet position first, the second, the third, chamber and the semicircular rubber valve block that falls of making an uproar fall in the air outlet, the noise that produces when making air exhaust pump work, when passing through above several kinds of structures, only gaseous expert is passed through, and the noise is because air flue compression and air flue consumption, finally produce the effect of noise reduction, promote user experience.

Description

Improved noise reduction assembly of vacuum pump

Technical Field

The utility model relates to a vacuum pump field, more specifically say, relate to a noise subassembly falls in vacuum pump improved generation.

Background

The vacuum pump is a device or equipment for obtaining vacuum by pumping a pumped container by using mechanical, physical, chemical or physical-chemical methods, and is a device for improving, generating and maintaining vacuum in a certain closed space by using various methods.

Among the prior art, the vacuum aspiration pump mainly is applied to and need bleed and form vacuous product and place, and the wide application is gone up to all kinds of small household appliances and little electrical apparatus, like breast pump, vacuum refreshing machine, inhale snivel machine, vacuum packaging machine etc. generally in quieter place during the customer uses, and present traditional aspiration pump leads to the product to produce very big noise when using owing to lack the effectual structure of making an uproar that falls, and customer experience feels relatively poor, needs to be through improving the effect of structure in order to reach the silence pump.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, an object of the utility model is to provide a noise subassembly falls in vacuum pump improved generation, it can realize the function of making an uproar that falls of vacuum pump, through increase at the gas outlet position first, the second, the third, the room and the semicircular rubber valve block of making an uproar that falls of making an uproar fall in the fourth, the noise that makes the air pump during operation produce, when several kinds of structures above passing through, only gaseous smooth and easy passing through, and the noise is because air flue compression and air flue consumption, finally produce the effect of noise reduction, promote user experience.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An improved noise-reducing component of a vacuum pump comprises a motor, wherein a sealing O-shaped ring is arranged in the middle of the upper end of the motor, a base is installed at the upper end of the motor, two base fixing short screws are in threaded connection with the inner side of the base, the base is fixedly connected with the motor through the base fixing short screws, a leather cup bracket is installed at the upper end of the base, a cylinder leather cup is installed at the upper end of the leather cup bracket, an air outlet valve piece bracket is installed at the upper end of the cylinder leather cup, a plurality of air outlet check valve pieces are installed at the upper end inside the air outlet valve piece bracket, an air outlet channel upper cover is installed at the upper end of the air outlet valve piece bracket, a plurality of body fixing long screws are in threaded connection with the outer side of the upper end of the air outlet channel upper cover, the air outlet valve piece bracket, the cylinder leather cup and the leather cup bracket are all fixed at the upper end of the base through the body fixing long screws, the utility model discloses a vacuum pump, including giving vent to anger passageway upper cover, giving vent to anger the passageway upper cover internally mounted have rubber valve block support, rubber valve block support middle part is provided with the first aperture of making an uproar that falls of giving vent to anger, rubber valve block support bottom inboard is provided with first chamber of making an uproar that falls, rubber valve block support upper end mid-mounting has semi-circular rubber valve block of giving vent to anger, semi-circular rubber valve block middle part of giving vent to anger is provided with semi-circular valve block of making an uproar that falls, can realize the function of making an uproar of falling of vacuum pump, through increasing first, second, third, fourth chamber of making an uproar and semi-circular rubber valve block of making an uproar that falls at the gas outlet position, makes the noise that the air exhaust pump during operation produced, when passing through above several kinds of structures, only gaseous expert is passed through, and the noise is because air flue compression and air flue consumption, finally produces the effect of noise reduction, promotes user experience.

Further, the inside upper end of base is provided with the compression cylinder subassembly, and the compression cylinder subassembly includes eccentric wheel, rocker push rod and cylinder body leather cup, the inboard mid-mounting of base has the eccentric wheel, the inside outside of eccentric wheel is installed wear-resisting steel ball, the push rod pivot is installed to wear-resisting steel ball upper end, the rocker push rod is installed to push rod pivot upper end, the rocker push rod is installed at the inside lower extreme of leather cup support, the starter motor, and the motor rotates and drives the eccentric wheel and take place to rotate, has an inclined hole on the eccentric wheel, and the push rod pivot of connecting rocker push rod center department is rotatory, because rocker push rod and cylinder body leather cup bottom cylinder are fixed mutually, makes the displacement about the cylinder body piston takes place, produces the function of compression or suction air.

Furthermore, a limiting seat is arranged in the middle of the lower end of the upper cover of the air outlet channel, a second noise reduction chamber is arranged in the middle of the inner side of the limiting seat, three second air outlet small holes are formed in the limiting seat, a second retaining edge is arranged on the inner side of the lower end of the upper cover of the air outlet channel, three second air outlet noise reduction small holes are formed in the second retaining edge, and when air passes through the semicircular air outlet rubber valve block, noise is further pressed back to the second noise reduction chamber and consumed.

Further, the outer side of the upper end of the rubber valve block support is provided with a first flange, a third noise reduction chamber is arranged on the inner side of the first flange, three first air outlet small holes are formed in the first flange, and an air flow channel is arranged in the third noise reduction chamber.

Furthermore, a fourth noise reduction chamber is arranged outside the first retaining edge, an airflow channel and an airflow hole are arranged in the fourth noise reduction chamber, and when air finally passes through the narrow and long passage, noise is compressed and consumed, so that the noise generated during the operation of the vacuum pump is effectively reduced.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) This scheme can realize the function of making an uproar of falling of vacuum pump, through increasing first, second, third, fourth noise reduction chamber and the semicircular rubber valve block of making an uproar of falling at the gas outlet position, makes the noise that the air pump during operation produced, when several kinds of structures above through, only gaseous smooth and easy pass through, and the noise is because air flue compression and air flue consumption, finally produces the effect of noise reduction, promotes user experience.

(2) The inside upper end of base is provided with the compression cylinder subassembly, the compression cylinder subassembly includes the eccentric wheel, rocker push rod and cylinder body leather cup, the inboard mid-mounting of base has the eccentric wheel, wear-resisting steel ball is installed to the inside outside of eccentric wheel, the push rod pivot is installed to wear-resisting steel ball upper end, the rocker push rod is installed to push rod pivot upper end, the rocker push rod is installed at the inside lower extreme of leather cup support, the starter motor, the motor rotates and drives the eccentric wheel and take place rotatoryly, there is an inclined hole on the eccentric wheel, it is rotatory to connect the push rod pivot of rocker push rod center department, because rocker push rod and cylinder body leather cup bottom cylinder are fixed mutually, make the cylinder body piston take place displacement from top to bottom, produce compression or the function of inhaled air.

(3) Spacing seat is provided with in the middle part of the upper cover lower extreme of outlet channel, and the inboard middle part of spacing seat is provided with the second and falls the room of making an uproar, and spacing seat inside is provided with three second small holes of giving vent to anger, and outlet channel upper cover lower extreme inboard is provided with the second flange, and the inside three second that is provided with of second flange is given vent to anger and falls the small hole of making an uproar, and after gaseous through the semicircular rubber valve block of giving vent to anger, the noise is further pressed back the second and is fallen the room of making an uproar and consume.

(4) The outer side of the upper end of the rubber valve block support is provided with a first flange, the inner side of the first flange is provided with a third noise reduction chamber, three first air outlet small holes are formed in the first flange, and an airflow channel is arranged in the third noise reduction chamber.

(5) The fourth noise reduction chamber is arranged outside the first blocking edge, the airflow channel and the airflow hole are formed in the fourth noise reduction chamber, and when air finally passes through the narrow and long passage, noise is compressed and consumed, so that the noise generated during the operation of the vacuum pump is effectively reduced.

Drawings

Fig. 1 is a schematic structural view of a vacuum pump according to the present invention;

FIG. 2 is an exploded view of the interior of the vacuum pump of the present invention;

FIG. 3 is a front view of the rubber valve plate bracket of the present invention;

FIG. 4 is a schematic view of the bottom structure of the rubber valve plate bracket of the present invention;

FIG. 5 is a schematic structural view of the middle semicircular air outlet rubber valve plate of the present invention;

fig. 6 is a schematic view of the bottom structure of the upper cover of the middle air outlet channel of the present invention.

The reference numbers in the figures illustrate:

1. a motor; 2. sealing the O-shaped ring; 3. a base; 4. a short screw is fixed on the base; 5. an eccentric wheel; 6. wear-resistant steel balls; 7. a push rod rotating shaft; 8. a swing frame push rod; 9. a leather cup bracket; 10. a cylinder body leather cup; 11. a gas outlet valve plate bracket; 12. a gas outlet check valve plate; 13. a rubber valve plate bracket; 131. a first air outlet noise reduction small hole; 132. a first noise reduction chamber; 133. a first flange; 134. a first small air outlet hole; 135. a third noise reduction chamber; 136. a fourth noise reduction chamber; 14. a semicircular air outlet rubber valve plate; 141. a semicircular noise reduction valve plate; 15. an air outlet channel upper cover; 151. a limiting seat; 152. a second noise reduction chamber; 153. a second gas outlet aperture; 154. a second flange; 155. a second air outlet noise reduction small hole; 16. the body fixes the long screw.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-6, an improved noise reduction assembly for a vacuum pump comprises a motor 1, a sealing O-ring 2 is disposed in the middle of the upper end of the motor 1, a base 3 is mounted on the upper end of the motor 1, two base fixing short screws 4 are threadedly connected to the inner side of the base 3, the base 3 is fixedly connected to the motor 1 through the base fixing short screws 4, a cup support 9 is mounted on the upper end of the base 3, a cylinder cup 10 is mounted on the upper end of the cup support 9, an air outlet valve plate support 11 is mounted on the upper end of the cylinder cup 10, a plurality of air outlet check valve plates 12 are mounted on the inner upper end of the air outlet valve plate support 11, an air outlet channel upper cover 15 is mounted on the upper end of the air outlet valve plate support 11, a plurality of body fixing long screws 16 are threadedly connected to the outer side of the upper end of the air outlet channel upper cover 15, an air outlet channel upper cover 15, the air outlet valve plate support 11, the cylinder cup 10 and the cup support 9 are all fixed to the upper end of the base 3 through the body fixing long screws 16, a rubber outlet channel upper cover 15 is internally mounted with a rubber valve plate support 13, a first air outlet noise reduction orifice 131 is disposed in the middle of the rubber support 13, a semicircular rubber valve plate 132 is disposed on the middle of the rubber chamber, and a rubber valve plate 141 is disposed on the rubber plate, when the air flow reaches the semicircular air outlet rubber valve plate 14 through the air outlet check valve plate 12, the semicircular noise reduction valve plate 141 is opened by the air pressure, the air flows out, but the opening amplitude of the semicircular noise reduction valve plate 141 is less than 0.2mm each time the gas flows out, and the gas flowing out of the semicircular noise reduction valve plate 141 gathers and then flows out of the first gas outlet noise reduction small hole 131, due to the blockage of the first outlet noise reduction apertures 131, the noise is forced back into the first noise reduction chamber 132.

Referring to fig. 1-2, a compression cylinder assembly is disposed at an upper end inside a base 3, the compression cylinder assembly includes an eccentric wheel 5, a rocker push rod 8 and a cylinder cup 10, the eccentric wheel 5 is disposed at a middle portion inside the base 3, a wear-resistant steel ball 6 is disposed at an outer side inside the eccentric wheel 5, a push rod rotating shaft 7 is disposed at an upper end of the wear-resistant steel ball 6, the rocker push rod 8 is disposed at an upper end of the push rod rotating shaft 7, the rocker push rod 8 is disposed at a lower end inside a cup support 9, when the compression cylinder is used, a motor 1 is started, the motor 1 rotates to drive the eccentric wheel 5 to rotate, the eccentric wheel 5 is provided with an inclined hole, the push rod rotating shaft 7 connected to a center of the rocker push rod 8 rotates, as the rocker push rod 8 is fixed to a column at a bottom of the cylinder cup 10, a cylinder piston moves up and down to generate a function of compressing or sucking air, an air outlet check valve plate 12 for preventing gas from flowing backwards is disposed inside the cylinder cup 10, when the cylinder cup 10 sucks gas, the outlet check valve plate 12 is opened, and when the cylinder cup 10 compresses gas, the outlet check valve plate 12 is closed.

Referring to fig. 6, a limiting seat 151 is disposed in the middle of the lower end of the upper cover 15 of the air outlet channel, a second noise reduction chamber 152 is disposed in the middle of the inner side of the limiting seat 151, three second air outlet holes 153 are disposed in the limiting seat 151, a second retaining edge 154 is disposed in the inner side of the lower end of the upper cover 15 of the air outlet channel, and three second air outlet noise reduction holes 155 are disposed in the second retaining edge 154.

Referring to fig. 2-3, the outer side of the upper end of the rubber valve plate bracket 13 is provided with a first rib 133, the inner side of the first rib 133 is provided with a third noise reduction chamber 135, three first small air outlet holes 134 are arranged inside the first rib 133, and when the rubber valve plate bracket is used, an air flow channel is arranged inside the third noise reduction chamber 135 for noise consumption.

Referring to fig. 2-3, the fourth noise reduction chamber 136 is disposed outside the first rib 133, when in use, an airflow channel and an airflow hole are disposed in the fourth noise reduction chamber 136, when the air finally passes through the narrow and long channel, the noise is compressed and consumed, and finally the air further passes through three second small air outlet noise reduction holes 155 disposed on the upper cover 15 of the air outlet channel to further block the noise from flowing out.

The utility model discloses a theory of operation is: firstly, moving a vacuum pump to a position to be used, connecting the vacuum pump with a power supply, starting a motor 1, driving an eccentric wheel 5 to rotate by the rotation of the motor 1, wherein the eccentric wheel 5 is provided with an inclined hole, a push rod rotating shaft 7 connected with the center of a swing frame push rod 8 rotates, the swing frame push rod 8 is fixed with a column body at the bottom of a cylinder leather cup 10, so that a cylinder piston moves up and down to generate the function of compressing or sucking air, an air outlet check valve plate 12 for preventing gas backflow is arranged in the cylinder leather cup 10, when the cylinder leather cup 10 sucks gas, the air outlet check valve plate 12 is opened, when the cylinder leather cup 10 compresses the gas, the air outlet check valve plate 12 is closed, when the gas flow reaches a semicircular air outlet rubber valve plate 14 through the air outlet check valve plate 12, the semicircular noise reduction valve plate 141 is opened due to the gas pressure, the gas flows out, but the opening amplitude of the semicircular noise reduction valve plate 141 is less than 0.2mm when the gas flows out each time, and the gas flowing out from the semicircular noise reduction valve plate 141 is gathered and then flows out from the first gas outlet noise reduction small hole 131, due to the blocking of the first gas outlet noise reduction small hole 131, the noise is pressed back to the first noise reduction chamber 132, after the gas passes through the semicircular gas outlet rubber valve plate 14, the noise is further pressed back to the second noise reduction chamber 152 and consumed, then the consumption in the third noise reduction chamber 135 is carried out through the second gas outlet small hole 153, the third noise reduction chamber 135 and the fourth noise reduction chamber 136 flow through the first gas outlet small hole 134, the gas flow channel and the gas flow hole are arranged in the fourth noise reduction chamber 136, when the gas finally passes through the narrow and long narrow channel, the noise is compressed and consumed, finally, the gas also passes through the three second gas outlet noise reduction small holes 155 arranged at the gas outlet channel upper cover 15, the outflow of the noise is further blocked, and the noise during the operation of the vacuum pump is effectively reduced.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (5)

1. An improved noise-reducing component of a vacuum pump, comprising a motor (1), characterized in that: the air outlet device is characterized in that a sealing O-shaped ring (2) is arranged in the middle of the upper end of the motor (1), a base (3) is installed at the upper end of the motor (1), two base fixing short screws (4) are in threaded connection with the inner side of the base (3), the base (3) is fixedly connected with the motor (1) through the base fixing short screws (4), a leather cup support (9) is installed at the upper end of the base (3), a cylinder leather cup (10) is installed at the upper end of the leather cup support (9), an air outlet valve piece support (11) is installed at the upper end of the cylinder leather cup (10), a plurality of air outlet check valve pieces (12) are installed at the upper end inside the air outlet valve piece support (11), an air outlet channel upper cover (15) is installed at the upper end of the air outlet valve piece support (11), a plurality of body fixing long screws (16) are in threaded connection with the outer side of the upper end of the air outlet channel upper cover (15), the air outlet valve piece support (11), the cylinder leather cup (10) and the rubber support (9) are provided with a first rubber noise reduction rubber valve piece (13) at the middle of which is arranged at the bottom of the first rubber chamber, the semi-circular air outlet rubber valve plate (14) is installed in the middle of the upper end of the rubber valve plate support (13), and the semi-circular noise reduction valve plate (141) is arranged in the middle of the semi-circular air outlet rubber valve plate (14).

2. The improved noise reduction assembly of claim 1, wherein: the inner upper end of the base (3) is provided with a compression cylinder assembly, the compression cylinder assembly comprises an eccentric wheel (5), a swing frame push rod (8) and a cylinder body leather cup (10), the middle of the inner side of the base (3) is provided with the eccentric wheel (5), wear-resistant steel balls (6) are arranged on the outer side of the inner part of the eccentric wheel (5), a push rod rotating shaft (7) is arranged at the upper end of the wear-resistant steel balls (6), the swing frame push rod (8) is arranged at the upper end of the push rod rotating shaft (7), and the swing frame push rod (8) is arranged at the inner lower end of the leather cup support (9).

3. The improved noise reduction assembly of claim 1, wherein: spacing seat (151) is provided with in the middle part of outlet channel upper cover (15) lower extreme, the inboard middle part of spacing seat (151) is provided with the second and falls the room of making an uproar (152), spacing seat (151) inside is provided with three second and gives vent to anger aperture (153), outlet channel upper cover (15) lower extreme inboard is provided with second flange (154), second flange (154) inside is provided with three second and gives vent to anger and falls the aperture (155) of making an uproar.

4. The improved noise reduction assembly of claim 1, wherein: the rubber valve plate support is characterized in that a first rib (133) is arranged on the outer side of the upper end of the rubber valve plate support (13), a third noise reduction chamber (135) is arranged on the inner side of the first rib (133), and three first air outlet small holes (134) are formed in the first rib (133).

5. The improved noise reduction assembly of claim 4, wherein: and a fourth noise reduction chamber (136) is arranged outside the first rib (133).

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