CN108916004B - Vibration-damping noise-reducing oxygen-increasing pump - Google Patents

Abstract

The purpose of the present invention is to provide a vibration and noise reduction oxygen boosting pump. A vibration-reducing and noise-reducing oxygen-enhancing pump, comprising: a casing, an oxygen-enhancing pump body 30; the casing comprises: a casing composed of a detachably connected casing base and a casing upper cover, which is arranged in the casing and consists of a detachable casing. The inner cabin formed by the disassembled and connected inner cabin base and the inner cabin upper cover, a number of buffer pads arranged at the lower end of the shell base, a number of lower buffer pads arranged on the bottom surface of the inner cavity of the outer casing base and supporting the lower end of the inner cabin base, a number of An upper buffer pad is arranged between the upper end of the upper cover of the inner cabin and the top surface of the inner cavity of the upper cover of the outer casing, the inner cabin is provided with an air inlet nozzle and an air outlet nozzle whose outer end extends out of the outer casing; the oxygen booster pump body 30 is installed on the in the inner cabin. The casing of the vibration and noise reduction oxygen booster pump includes a double-layer structure of an outer shell and an inner cabin, and is provided with a buffer foot pad, a lower buffer pad and an upper buffer pad. The oxygen booster pump body 30 is installed in the inner cabin, and is used. Vibration noise is small.

Description

Vibration and noise reduction oxygen pump

technical field

The invention relates to the field of air pumps, in particular to a vibration-reducing and noise-reducing oxygen-increasing pump.

Background technique

The invention of Chinese Patent Application No. 201110159146.7 discloses a micro air pump, which includes a motor assembly and a compression part, the motor assembly includes an output shaft, and the compression part includes an eccentric structure and several compression chambers, and the eccentric structure is driven by the rotating shaft and correspondingly compresses or compresses The compression chamber is stretched, and the micro air pump also includes an intake cavity, an exhaust cavity and a partition separating the intake cavity and the exhaust cavity, the compression chamber is located in the intake cavity, and the partition corresponds to each compression chamber. The exhaust holes of the compression chamber and the exhaust chamber, a plurality of exhaust valves are installed at the exhaust holes of the partition plate to selectively close or open the exhaust holes, the connection between the intake chamber and each compression chamber is An intake passage is formed between them, the intake passage extends to the outside of the intake cavity, and the end of the intake passage away from the intake cavity is connected to the compression chamber through an intake valve, and the intake valve is used for selective communication. Or block the compression chamber and the intake passage, so as to selectively connect or block the compression chamber and the intake cavity. The traditional micro air pump has the disadvantage of high vibration and noise during use; therefore, it is an urgent problem to design a vibration and noise reduction and oxygen-increasing pump with less vibration and noise during use.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a vibration-reducing and noise-reducing oxygen-increasing pump with low vibration and noise during use, in order to overcome the defect of the current micro air pump having large vibration and noise during use.

The concrete technical scheme of the present invention is:

A vibration-reducing and noise-reducing oxygen-enhancing pump, comprising: a casing and an oxygen-enhancing pump body; the casing comprises: a casing composed of a detachably connected casing base and a casing upper cover, which is arranged in the casing and is detachable The inner cabin formed by the connected inner cabin base and the inner cabin upper cover, a plurality of buffer pads arranged at the lower end of the shell base, a plurality of lower buffer pads arranged on the bottom surface of the inner cavity of the outer casing base and supporting the lower end of the inner cabin base, a plurality of The upper buffer pad is arranged between the upper end of the upper cover of the inner cabin and the top surface of the inner cavity of the upper cover of the outer casing. The inner cabin is provided with an air intake nozzle and an air outlet nozzle whose outer end extends out of the outer casing; the oxygen booster pump body is installed in the inner cabin middle. The shell of the vibration and noise reduction oxygen booster pump includes a double-layer structure of an outer casing and an inner cabin, and is provided with a buffer foot pad, a lower buffer pad and an upper buffer pad, and the oxygen booster pump body is installed in the inner cabin. Less vibration and noise.

Preferably, the oxygen booster pump body includes: a base provided with an air inlet duct communicating with the air inlet nozzle and an air outlet duct communicating with the air outlet nozzle; Exhaust device, leather cup volume change device; exhaust device includes: an air chamber seat with an air chamber, an intake check valve arranged between the air chamber and the air chamber, and an air inlet check valve arranged between the air chamber and the air outlet The air outlet check valve is a leather cup whose open end is connected to the outer end of the air chamber seat. The inner ends of the air chamber seats of the two exhaust devices are connected to the two sides of the base in one-to-one correspondence; the base is connected to the inner cabin base. . The compression chamber of the vibration reduction and noise reduction oxygen pump is a leather cup. Under the action of the volume change device of the leather cup, the volume of the leather cup changes repeatedly, and the intake and exhaust are realized through the intake check valve and the outlet check valve. The structure is simple, and the production and maintenance are convenient; two suction and exhaust devices symmetrically arranged on opposite sides of the base can improve the efficiency of air intake and exhaust, or perform two-way air outlet and/or two-way air intake.

Preferably, the cup volume changing device includes: a fixed seat provided with two coils and connected to one end of the base; The magnets are arranged at one end of the two swing arms and extend into one end of the coil in a one-to-one correspondence. The volume change device of the leather cup realizes the repeated change of the volume of the leather cup through the magnet and the swing arm that reciprocate under the action of the energized coil to pull the leather cup horizontally, which is beneficial to increase the telescopic frequency by increasing the frequency of the reciprocating motion, thereby improving the telescopic air intake and exhaust. efficiency.

As preferably, the described leather cup volume change device comprises: two leather cup axial expansion and contraction devices corresponding to two exhaust devices one-to-one; A magnet, a compression spring sleeved outside the air chamber seat and the leather cup and one end pressing against the inner end of the magnet, a coil sleeved outside the magnet and the compression spring, a shock-absorbing baffle ring that is connected to the outer end of the coil and blocks the outer end of the magnet; two The inner end of the coil of the cup volume changing device is connected with the two sides of the base in a one-to-one correspondence; the other ends of the compression springs of the two cup volume changing devices press the two sides of the base in a one-to-one correspondence; There are ripples. The cup volume change device realizes the axial expansion and contraction of the cup through the reciprocating motion of the magnet in the energized coil, which is beneficial to increase the telescopic frequency by increasing the frequency of the reciprocating motion, thereby improving the efficiency of telescopic air intake and exhaust; there are corrugations on the side of the cup. It is beneficial to improve the practical life of the leather cup and to reduce the movement resistance when the leather cup is axially stretched.

Preferably, the intake port is provided with an intake cavity; the intake check valve is an umbrella valve; the umbrella surfaces of the intake check valve are located in the air chamber in one-to-one correspondence, and the umbrella handle of the intake check valve is located in the inlet In the air cavity; the air outlet has two air outlet chambers; the air inlet nozzle has two connected with the air inlet channel one-to-one correspondence; the air outlet check valve is an umbrella valve; In the air outlet cavity, the umbrella handles of the air outlet check valve are located in the air chamber one by one; the bottom surface of the air chamber and the outer end surface of the air outlet chamber are respectively provided with annular grooves opposite to the umbrella surface and with an outer diameter smaller than the outer diameter of the umbrella surface. The air inlet check valve is an umbrella valve, and the air outlet check valve is an umbrella valve, with a simple and practical structure; the air outlet has two air outlet chambers, which is conducive to two-way air outlet; the bottom surface of the air chamber and the outer end surface of the air outlet chamber are respectively provided with umbrellas The annular groove whose faces are opposite and whose outer diameter is smaller than the outer diameter of the umbrella surface reduces the contact area between the umbrella surface and the bottom surface of the air chamber or the outer end surface of the air outlet cavity, which is beneficial to improve the sensitivity of opening the air inlet check valve or the air outlet check valve.

Preferably, the base is formed by connecting two half bases; the air inlet is formed by connecting two half air inlets corresponding to the two half bases; the air inlet cavity is formed by two half air inlets. The half air inlet chambers corresponding to the two bases are connected and formed; the air outlet channels are located in the two half bases in one-to-one correspondence. The base is formed by connecting two half bases, which is convenient for the assembly and disassembly of the inlet check valve and the outlet check valve.

Preferably, the oxygen booster pump body includes: a base provided with an air inlet channel communicated with the air inlet nozzle and an air outlet channel communicated with the air outlet nozzle; The changing device; the exhausting device includes: an air chamber seat provided with an air chamber, an air inlet check valve arranged between the air chamber and the air chamber, an air outlet check valve arranged between the air chamber and the air outlet, and an opening The leather cup is connected with the outer end of the air chamber seat; the inner end of the air chamber seat is connected with one side end of the base; the base is connected with the base of the inner cabin. The compression chamber of the vibration reduction and noise reduction oxygen pump is a leather cup. Under the action of the volume change device of the leather cup, the volume of the leather cup changes repeatedly, and the intake and exhaust are realized through the intake check valve and the outlet check valve. , The structure is simple, the production and maintenance are convenient.

Preferably, the cup volume changing device includes: a fixed seat provided with a coil and connected to one end of the base, a swing arm connected to the sealing end of the cup, and a magnet provided at one end of the swing arm and extending into one end of the coil. The volume change device of the leather cup realizes the repeated change of the volume of the leather cup through the magnet and the swing arm that reciprocate under the action of the energized coil to pull the leather cup horizontally, which is beneficial to increase the telescopic frequency by increasing the frequency of the reciprocating motion, thereby improving the telescopic air intake and exhaust. efficiency.

As preferably, the described leather cup volume changing device comprises: a magnet whose inner end is connected with the sealing end of the leather cup, a compression spring that is sleeved on the outside of the air chamber seat and the leather cup and one end presses the inner end of the magnet, and is sleeved on the magnet and the pressure spring. The coil outside the spring is connected to the outer end of the coil and blocks the shock-absorbing baffle ring of the outer end of the magnet; the inner end of the coil is connected to one side of the base; the other end of the compression spring presses one side of the base; the cup side is surrounded by There are ripples. The cup volume change device realizes the axial expansion and contraction of the cup through the reciprocating motion of the magnet in the energized coil, which is beneficial to increase the telescopic frequency by increasing the frequency of the reciprocating motion, thereby improving the efficiency of telescopic air intake and exhaust; there are corrugations on the side of the cup. It is beneficial to improve the practical life of the leather cup and to reduce the movement resistance when the leather cup is axially stretched.

Preferably, the intake port is provided with an intake cavity; the intake check valve is an umbrella valve; the umbrella surface of the intake check valve is located in the air chamber, and the umbrella handle of the intake check valve is located in the intake cavity The air outlet is provided with an air outlet cavity; the air outlet check valve is an umbrella valve; the umbrella surface of the air outlet check valve is located in the air outlet chamber, and the umbrella handle of the air outlet check valve is located in the air chamber; the bottom surface of the air chamber and the outer end surface of the air outlet chamber are respectively provided There is an annular groove opposite to the umbrella surface and having an outer diameter smaller than the outer diameter of the umbrella surface.

Preferably, the other end of the base is provided with a cover plate. It is convenient for the assembly and disassembly of the intake check valve and the outlet check valve.

Compared with the prior art, the beneficial effects of the present invention are: the casing of the vibration reduction and noise reduction oxygen booster pump includes a double-layer structure of an outer casing and an inner cabin, and is provided with a buffer foot pad, a lower buffer pad and an upper buffer Pad, the body of the oxygen booster pump is installed in the inner cabin, and the vibration and noise are small during use. The compression chamber of the vibration reduction and noise reduction oxygen pump is a leather cup. Under the action of the volume change device of the leather cup, the volume of the leather cup changes repeatedly, and the intake and exhaust are realized through the intake check valve and the outlet check valve. The structure is simple, and the production and maintenance are convenient; two suction and exhaust devices symmetrically arranged on opposite sides of the base can improve the efficiency of air intake and exhaust, or perform two-way air outlet and/or two-way air intake. The volume change device of the leather cup realizes the repeated change of the volume of the leather cup through the magnet and the swing arm that reciprocate under the action of the energized coil to pull the leather cup horizontally, which is beneficial to increase the telescopic frequency by increasing the frequency of the reciprocating motion, thereby improving the telescopic air intake and exhaust. efficiency; or the volume change device of the leather cup realizes the axial expansion and contraction of the leather cup through the reciprocating motion of the magnet in the energized coil, which is beneficial to increase the frequency of expansion and contraction by increasing the frequency of reciprocating motion, thereby improving the efficiency of telescopic air intake and exhaust; the side of the leather cup is surrounded by There are corrugations, which is beneficial to improve the practical life of the leather cup and reduce the movement resistance when the leather cup is axially stretched. The air inlet check valve is an umbrella valve, and the air outlet check valve is an umbrella valve, with a simple and practical structure; the air outlet has two air outlet chambers, which is conducive to two-way air outlet; the bottom surface of the air chamber and the outer end surface of the air outlet chamber are respectively provided with umbrellas The annular groove whose faces are opposite and whose outer diameter is smaller than the outer diameter of the umbrella surface reduces the contact area between the umbrella surface and the bottom surface of the air chamber or the outer end surface of the air outlet cavity, which is beneficial to improve the sensitivity of opening the air inlet check valve or the air outlet check valve. The base is formed by connecting two half bases, which is convenient for the assembly and disassembly of the inlet check valve and the outlet check valve. The other end of the base is provided with a cover plate, which is convenient for the assembly and disassembly of the inlet check valve and the outlet check valve.

Description of drawings

Fig. 1 is a kind of structural representation of the present invention;

Fig. 2 is a kind of structural representation of oxygen boosting pump body in Fig. 1;

Fig. 3 is another kind of structural representation of the oxygen boosting pump body in Fig. 1;

Fig. 4 is another kind of structural representation of the present invention;

Fig. 5 is a kind of structural representation of the oxygen boosting pump body in Fig. 4;

FIG. 6 is another structural schematic diagram of the oxygen boosting pump body in FIG. 4 .

, in the figure: air inlet 1, outlet 2, base 3, air chamber 4, air chamber seat 5, inlet check valve 6, outlet check valve 7, leather cup 8, magnet 9, compression spring 10, Coil 11, shock-absorbing baffle ring 12, baffle ring 13, corrugation 14, air inlet cavity 15, air outlet cavity 16, annular groove 17, cover plate 18, fixing seat 19, swing arm 20, shell base 21, shell upper cover 22 , Inner cabin base 23 , inner cabin upper cover 24 , buffer foot pad 25 , lower buffer pad 26 , upper buffer pad 27 , air intake nozzle 28 , air outlet nozzle 29 , and oxygen pump body 30 .

Detailed ways

The present invention will be further described below with reference to the accompanying drawings.

Embodiment 1, as shown in Figure 1 and Figure 2: a vibration and noise reduction oxygen boosting pump, comprising: a casing, an oxygen boosting pump body; the casing comprises: a shell base 21 connected by screws and The outer casing formed by the upper cover 22 of the outer casing, the inner cabin formed by the inner cabin base 23 and the inner cabin upper cover 24 which are arranged in the outer casing and connected by screws, four buffer feet 25 arranged at the lower end of the outer casing base 21, four are arranged in the inner cabin. The bottom surface of the inner cavity of the casing base 21 supports the lower buffer pads 26 at the lower end of the inner cabin base 23, and four upper buffer pads 27 are arranged between the upper end of the inner cabin upper cover 25 and the inner cavity top surface of the casing upper cover 22. There are air inlet nozzles 28 and air outlet nozzles 29 whose outer ends extend out of the casing; the oxygen booster pump body 30 is installed in the inner cabin.

The oxygen booster body 30 includes: a base 3 provided with an air inlet 1 communicating with the air inlet 28 and an air outlet 2 communicating with the air outlet 29, and the two are symmetrically arranged on the base 3 in one-to-one correspondence. The suction and exhaust devices on both sides, the cup volume change device; the suction and exhaust devices include: an air chamber seat 5 provided with an air chamber 4, an air intake check valve 6 arranged between the air inlet duct 1 and the air chamber 4, The air outlet check valve 7 between the air chamber 4 and the air outlet 2, the leather cup 8 with the open end bonded to the outer end of the air chamber seat 5, the inner end of the air chamber seat 5 of the two exhaust devices and the base. The two sides of the seat 3 are connected in one-to-one correspondence; the base 3 is connected with the inner cabin base 23 .

The described leather cup volume changing device includes: two leather cup axial telescopic devices corresponding to two exhausting and exhausting devices one-to-one; , the compression spring 10 sleeved on the outside of the air chamber seat 5 and the cup 8 and one end pressing the inner end of the magnet 9, the coil 11 sleeved on the outside of the magnet 9 and the compression spring 10, and the outer end of the coil 11 is screwed and blocked the magnet 9 The shock-absorbing baffle ring 12 at the outer end; the inner ends of the coils 11 of the two cup volume changing devices are connected to the two sides of the base 3 with corresponding screws one by one; the other ends of the compression springs 10 of the two cup volume changing devices are connected one by one Press the two sides of the base 3 correspondingly. The inner end of the magnet 9 is provided with a retaining ring 13 sleeved outside one end of the compression spring 10; The material of the damping retaining ring 12 is rubber.

The intake port 1 is provided with an intake cavity 15; the intake check valve 6 is an umbrella valve; The handle is located in the air inlet cavity 15; the air outlet 2 has two with the air outlet cavity 16; the air inlet nozzle 28 has two one-to-one correspondence with the air inlet 1; the air outlet check valve 7 is an umbrella valve; The umbrella surfaces of the direction valve 7 are located in the air outlet cavity 16 in a one-to-one correspondence, and the umbrella handles of the air outlet check valve 7 are located in the air chamber 4 in a one-to-one correspondence. The air inlet check valve 6 and the outlet check valve 7 are both rubber umbrella valves; the bottom surface of the air chamber 4 and the outer end surface of the air outlet cavity 16 are respectively provided with annular grooves 17 opposite to the umbrella surface and having an outer diameter smaller than the outer diameter of the umbrella surface.

The base 3 is composed of two half bases 18 connected by screws; the air inlet 1 is formed by connecting two half air inlets which are located in the two half bases 3 in one-to-one correspondence; the air inlet cavity 15 is composed of two The semi-inlet cavities provided in the two bases 3 are connected in a one-to-one correspondence; the air outlets 2 are located in the two semi-bases 18 in a one-to-one correspondence.

Embodiment 2, as shown in Figure 1 and Figure 3 (see Figure 2): a vibration reduction and noise reduction oxygen booster pump, comprising: a casing, an oxygen booster pump body 30; the casing comprises: The outer shell formed by the shell base 21 and the shell upper cover 22 connected by screws, the inner cabin formed by the inner cabin base 23 and the inner cabin upper cover 25 connected by screws, which are arranged in the outer shell, and the four buffer feet arranged at the lower end of the shell base 21 Pads 25, four lower buffer pads 26 are arranged on the bottom surface of the inner cavity of the shell base 21 and support the lower end of the inner cabin base 23, and four are arranged on the upper end of the upper end of the inner cabin upper cover 25 and the upper surface of the inner cavity of the outer casing upper cover 22. The buffer pad 27, the air inlet nozzle 28 and the air outlet nozzle 29 which are provided in the inner cabin and whose outer ends extend out of the casing; the oxygen booster pump body 30 is installed in the inner cabin.

The oxygen booster body 30 includes: a base 3 provided with an air inlet 1 communicating with the air inlet 28 and an air outlet 2 communicating with the air outlet 29, and the two are symmetrically arranged on the base 3 in one-to-one correspondence. The suction and exhaust devices on both sides, the cup volume change device; the suction and exhaust devices include: an air chamber seat 5 provided with an air chamber 4, an air intake check valve 6 arranged between the air inlet duct 1 and the air chamber 4, The air outlet check valve 7 between the air chamber 4 and the air outlet 2, the leather cup 8 with the open end bonded to the outer end of the air chamber seat 5, the inner end of the air chamber seat 5 of the two exhaust devices and the base. The two sides of the seat 3 are connected in one-to-one correspondence; the base 3 is connected with the inner cabin base 23 .

The said leather cup volume changing device includes: a fixed seat 19 provided with two coils (not shown in the drawings) and screwed with one end of the base, and two screwed connections with the sealing ends of the two leather cups 8 in one-to-one correspondence. There are two magnets 9 which are arranged at one end of the two swing arms 20 in a one-to-one correspondence and extend into one end of the coil in a one-to-one correspondence.

The intake port 1 is provided with an intake cavity 15; the intake check valve 6 is an umbrella valve; The handle is located in the air inlet cavity 15; the air outlet 2 has two with the air outlet cavity 16; the air inlet nozzle 28 has two one-to-one correspondence with the air inlet 1; the air outlet check valve 7 is an umbrella valve; The umbrella surfaces of the direction valve 7 are located in the air outlet cavity 16 in a one-to-one correspondence, and the umbrella handles of the air outlet check valve 7 are located in the air chamber 4 in a one-to-one correspondence. The air inlet check valve 6 and the outlet check valve 7 are both rubber umbrella valves; the bottom surface of the air chamber 4 and the outer end surface of the air outlet cavity 16 are respectively provided with annular grooves 17 opposite to the umbrella surface and having an outer diameter smaller than the outer diameter of the umbrella surface.

The base 3 is composed of two half bases 18 connected by screws; the air inlet 1 is formed by connecting two half air inlets which are located in the two half bases 3 in one-to-one correspondence; the air inlet cavity 15 is composed of two The semi-inlet cavities provided in the two bases 3 are connected in a one-to-one correspondence; the air outlets 2 are located in the two semi-bases 18 in a one-to-one correspondence.

Embodiment 3, as shown in Figures 4 and 5: a vibration and noise reduction oxygen booster pump, comprising: a casing, an oxygen booster pump body 30; the casing comprises: a shell base 21 connected by screws The outer casing formed with the outer casing upper cover 22, the inner cabin formed by the inner cabin base 23 and the inner cabin upper cover 25 which are arranged in the outer casing and connected by screws, four buffer feet 25 arranged at the lower end of the outer casing base 21, four The lower cushion 26 on the bottom surface of the inner cavity of the shell base 21 and supporting the lower end of the inner cabin base 23, the four upper cushions 27 arranged between the upper end of the inner cabin upper cover 25 and the inner cavity top surface of the outer shell upper cover 22, the inner cabin The air inlet nozzle 28 and the air outlet nozzle 29 are provided and the outer ends extend out of the casing; the oxygen booster pump body 30 is installed in the inner cabin.

The oxygen booster body 30 includes: a base 3 provided with an air inlet 1 communicating with the air inlet 28 and an air outlet 2 communicating with the air outlet 29, and an exhaust device provided at one end of the base 3. , the cup volume change device; the exhaust device includes: the air chamber seat 5 provided with 4, the air intake check valve 6 between the air inlet 1 and the air chamber 4, and the air chamber 4 and the air outlet 2. The air outlet check valve 7 between the two, the cup with the open end bonded to the outer end of the air chamber seat 5; the inner end of the air chamber seat 5 and the side end of the base 3 are integrally connected; the base 3 and the inner cabin base 23 screw connection.

Described cup volume changing device comprises: the magnet 9 whose inner end is screwed with the sealing end of cup 8, is sleeved on the outside of air chamber seat 5 and cup 8 and one end presses the compression spring 10 at the inner end of magnet 9. The coil 11 outside the magnet 9 and the compression spring 10 is screwed to the outer end of the coil 11 and blocks the shock-absorbing baffle ring 12 of the outer end of the magnet 9; the inner end of the coil 11 is screwed to one side of the base 3; The other end presses one end of the base 3 . The inner end of the magnet 9 is provided with a retaining ring 13 sleeved outside one end of the compression spring 10; The material of the damping retaining ring 12 is rubber.

The intake port 1 is provided with an intake cavity 15; the intake check valve 6 is an umbrella valve; the umbrella surface of the intake check valve 6 is located in the air chamber 4, and the umbrella handle of the intake check valve 6 is located in the inlet. In the air cavity 15; the air outlet 2 is provided with an air outlet cavity 16; the air outlet one-way valve 7 is an umbrella valve; middle. The air inlet check valve 6 and the outlet check valve 7 are both rubber umbrella valves; the bottom surface of the air chamber 4 and the outer end surface of the air outlet cavity 16 are respectively provided with annular grooves 17 opposite to the umbrella surface and having an outer diameter smaller than the outer diameter of the umbrella surface.

The other end of the base 3 is provided with a cover plate 18 .

Embodiment 4, as shown in Figures 4 and 6 (see Figure 5), a vibration and noise reduction oxygen booster pump, comprising: a casing, an oxygen booster pump body 30; the casing comprises: a screw The outer casing formed by the connected casing base 21 and the casing upper cover 22, the inner cabin formed by the inner cabin base 23 and the inner cabin upper cover 25 which are arranged in the casing and connected by screws, and four buffer feet arranged at the lower end of the casing base 21 25. Four lower buffer pads 26 are arranged on the bottom surface of the inner cavity of the shell base 21 and support the lower end of the inner cabin base 23, and four upper buffers are arranged between the upper end of the inner cabin upper cover 25 and the inner cavity top surface of the outer casing upper cover 22 The pad 27, the air inlet nozzle 28 and the air outlet nozzle 29 which are provided in the inner cabin and whose outer ends extend out of the casing; the oxygen booster pump body 30 is installed in the inner cabin.

The oxygen booster body 30 includes: a base 3 provided with an air inlet 1 communicating with the air inlet 28 and an air outlet 2 communicating with the air outlet 29, and an exhaust device provided at one end of the base 3. , the cup volume change device; the exhaust device includes: the air chamber seat 5 provided with 4, the air intake check valve 6 between the air inlet 1 and the air chamber 4, and the air chamber 4 and the air outlet 2. The air outlet check valve 7 between the two, the cup with the open end bonded to the outer end of the air chamber seat 5; the inner end of the air chamber seat 5 and the side end of the base 3 are integrally connected; the base 3 and the inner cabin base 23 screw connection.

The said leather cup volume changing device includes: a fixed seat 19 provided with a coil (not shown in the accompanying drawings) and connected to one end of the base 3, a swing arm 20 connected with a screw at the sealing end of the leather, 8, and arranged on the swing arm. 20 at one end and extending into the magnet at one end of the coil.

The intake port 1 is provided with an intake cavity 15; the intake check valve 6 is an umbrella valve; the umbrella surface of the intake check valve 6 is located in the air chamber 4, and the umbrella handle of the intake check valve 6 is located in the inlet. In the air cavity 15; the air outlet 2 is provided with an air outlet cavity 16; the air outlet one-way valve 7 is an umbrella valve; . The air inlet check valve 6 and the outlet check valve 7 are both rubber umbrella valves; the bottom surface of the air chamber 4 and the outer end surface of the air outlet cavity 16 are respectively provided with annular grooves 17 opposite to the umbrella surface and having an outer diameter smaller than the outer diameter of the umbrella surface.

The other end of the base 3 is provided with a cover plate 18 .

The beneficial effects of the present invention are: the casing of the vibration and noise reduction oxygen booster pump includes a double-layer structure of an outer shell and an inner cabin, and is provided with a buffer foot pad, a lower buffer pad and an upper buffer pad, and the oxygen booster pump body 30 Installed in the inner cabin, the vibration and noise are small during use. The compression chamber of the vibration reduction and noise reduction oxygen pump is a leather cup. Under the action of the volume change device of the leather cup, the volume of the leather cup changes repeatedly, and the intake and exhaust are realized through the intake check valve and the outlet check valve. The structure is simple, and the production and maintenance are convenient; two suction and exhaust devices symmetrically arranged on opposite sides of the base can improve the efficiency of air intake and exhaust, or perform two-way air outlet and/or two-way air intake. The volume change device of the leather cup realizes the repeated change of the volume of the leather cup through the magnet and the swing arm that reciprocate under the action of the energized coil to pull the leather cup horizontally, which is beneficial to increase the telescopic frequency by increasing the frequency of the reciprocating motion, thereby improving the telescopic air intake and exhaust. efficiency; or the volume change device of the leather cup realizes the axial expansion and contraction of the leather cup through the reciprocating motion of the magnet in the energized coil, which is beneficial to increase the frequency of expansion and contraction by increasing the frequency of reciprocating motion, thereby improving the efficiency of telescopic air intake and exhaust; the side of the leather cup is surrounded by There are corrugations, which is beneficial to improve the practical life of the leather cup and reduce the movement resistance when the leather cup is axially stretched. The air inlet check valve is an umbrella valve, and the air outlet check valve is an umbrella valve, with a simple and practical structure; the air outlet has two air outlet chambers, which is conducive to two-way air outlet; the bottom surface of the air chamber and the outer end surface of the air outlet chamber are respectively provided with umbrellas The annular groove whose faces are opposite and whose outer diameter is smaller than the outer diameter of the umbrella surface reduces the contact area between the umbrella surface and the bottom surface of the air chamber or the outer end surface of the air outlet cavity, which is beneficial to improve the sensitivity of opening the air inlet check valve or the air outlet check valve. The base is formed by connecting two half bases, which is convenient for the assembly and disassembly of the inlet check valve and the outlet check valve. The other end of the base is provided with a cover plate, which is convenient for the assembly and disassembly of the inlet check valve and the outlet check valve.

In addition to the above-mentioned embodiments, within the scope disclosed in the claims and description of the present invention, the technical features or technical data of the present invention can be re-selected and combined to form new embodiments, which are not required by those skilled in the art. It can be achieved by performing creative work, so these embodiments of the present invention that are not described in detail should also be regarded as specific embodiments of the present invention and fall within the protection scope of the present invention.

Claims (2)

1. A vibration-damping, noise-reducing, and oxygen-increasing pump comprising: a housing, an oxygenation pump body; characterized in that, the casing includes: the inner cabin comprises a shell, an inner cabin, a plurality of buffering foot pads, a plurality of lower buffering pads, a plurality of upper buffering pads, an air inlet nozzle and an air outlet nozzle, wherein the shell is composed of a shell base and a shell upper cover which are detachably connected; the oxygenation pump body is arranged in the inner chamber; the oxygenation pump body include: the device comprises a base, two air pumping and exhausting devices and a leather cup volume changing device, wherein the base is provided with an air inlet channel communicated with an air inlet nozzle and an air outlet channel communicated with an air outlet nozzle; the exhaust device comprises: the air chamber seat is provided with an air chamber, an air inlet one-way valve is arranged between the air inlet channel and the air chamber, an air outlet one-way valve is arranged between the air chamber and the air outlet channel, the opening end of the leather cup is connected with the outer end of the air chamber seat, and the inner ends of the air chamber seats of the two air pumping and exhausting devices are correspondingly connected with the two side ends of the base one by one; the base is connected with the inner cabin base; the leather cup volume changing device comprises two leather cup axial expansion devices which are in one-to-one correspondence with the two exhaust devices; the leather cup axial expansion device comprises a magnet, a pressure spring, a coil and a damping retaining ring, wherein the inner end of the magnet is connected with the sealing end of the leather cup; the inner ends of the coils of the two leather cup volume changing devices are correspondingly connected with the two side ends of the base one by one; the other ends of the pressure springs of the two leather cup volume changing devices correspondingly press the two side ends of the base one by one; the side wall of the leather cup is provided with ripples; the air inlet channel is provided with an air inlet cavity; the air inlet one-way valve is an umbrella valve; the umbrella covers of the air inlet one-way valves are positioned in the air chambers in a one-to-one correspondence manner, and the umbrella handles of the air inlet one-way valves are positioned in the air inlet cavities; the two air outlet channels are provided with air outlet cavities; the two air inlet nozzles are communicated with the air inlet channels in a one-to-one correspondence manner; the air outlet one-way valve is an umbrella valve; the umbrella covers of the air outlet one-way valves are correspondingly positioned in the air outlet cavities one by one, and the umbrella handles of the air outlet one-way valves are correspondingly positioned in the air chambers one by one; the bottom surface of the air chamber and the outer end surface of the air outlet cavity are respectively provided with an annular groove which is opposite to the umbrella surface and the outer diameter of which is smaller than that of the umbrella surface; or the oxygenation pump body comprises: the device comprises a base, a pumping and exhausting device and a leather cup volume changing device, wherein the base is provided with an air inlet channel communicated with an air inlet nozzle and an air outlet channel communicated with an air outlet nozzle; the exhaust device comprises: the air chamber seat is provided with an air chamber, an air inlet one-way valve is arranged between the air inlet channel and the air chamber, an air outlet one-way valve is arranged between the air chamber and the air outlet channel, and the opening end of the leather cup is connected with the outer end of the air chamber seat; the inner end of the air chamber seat is connected with one side end of the base; the base is connected with the inner cabin base; the leather cup volume changing device comprises a magnet, a pressure spring, a coil and a damping retaining ring, wherein the inner end of the magnet is connected with the sealing end of the leather cup; the inner end of the coil is connected with one side end of the base; the other end of the pressure spring presses one side end of the base; the side wall of the leather cup is provided with ripples; the air inlet channel is provided with an air inlet cavity; the air inlet one-way valve is an umbrella valve; the umbrella cover of the air inlet one-way valve is positioned in the air chamber, and the umbrella handle of the air inlet one-way valve is positioned in the air inlet cavity; the air outlet channel is provided with an air outlet cavity; the air outlet one-way valve is an umbrella valve; the umbrella cover of the air outlet one-way valve is positioned in the air outlet cavity, and the umbrella handle of the air outlet one-way valve is positioned in the air chamber; the bottom surface of the air chamber and the outer end surface of the air outlet cavity are respectively provided with an annular groove which is opposite to the umbrella surface and the outer diameter of which is less than the outer diameter of the umbrella surface.

2. The vibration-damping, noise-reducing and oxygen-increasing pump as set forth in claim 1, wherein said base is formed by joining two base halves; the air inlet channel is formed by connecting two half air inlet channels which are arranged in the two half bases in a one-to-one correspondence manner; the air inlet cavity is formed by connecting two half air inlet cavities which are correspondingly arranged in the two bases one by one; the air outlet channels are correspondingly positioned in the two half bases.

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