Ball bearing type high-pressure pump

Abstract

The utility model provides a ball bearing type high-pressure pump which comprises an upper cover, a one-way valve plate, a first shell, a second shell, a third shell, an air bag assembly, an eccentric piece, a swing frame assembly, a rotary connecting piece and a motor assembly. An air outlet hole is formed in the upper cover, and an air outlet cavity is formed between the bottom face of the upper cover and the first shell and communicated with the air outlet hole; the second shell is provided with an air bag assembly, the first shell is provided with a one-way valve plate used for allowing air to pass through in a one-way mode, the output end of the motor penetrates through the third shell to be connected with an eccentric part, the eccentric part is rotationally connected with a swing frame assembly through a rotary connecting part, and the lower end of the air bag assembly is sleeved with the swing frame assembly. The motor assembly is used for driving the eccentric part and the swing frame assembly to extrude the air bag assembly for pumping. A ball bearing is selected as a rotary connecting piece, relative rotation is more flexible, the service life is longer, the inclination angle of the swing frame assembly is larger, and output pressure is larger.

Description

TECHNICAL FIELD

[0001] The utility model relates to diaphragm pump structure technical field especially relates to a ball bearing type high pressure pump. BACKGROUND

[0002] An atomizer pump is a mechanical device that uses compressed air or other gases to atomize a solution into fine mist or particles. These mist or particles are suspended in the gas, making it easy for users to inhale or use for other specific applications. The working principle of an atomizer pump is mainly based on the power of compressed gas. Specifically, a compression pump generates compressed air or other gases and delivers them through a conduit to the atomizer part. In the atomizer, compressed air and solution are mixed through a specific nozzle or orifice, forming mist droplets. The size and uniformity of the mist droplets depend on various factors, including gas pressure, flow rate, and nozzle design.

[0003] The existing air pump drives the swing frame to extrude the air bag assembly for pumping, but when the existing eccentric part drives the swing frame to extrude the air bag to rotate, the connecting rod of the swing frame assembly has large wear and tear, has short service life, and the existing swing frame extrusion air bag assembly has low pumping output power, which is difficult to meet the output needs of high pressure.

[0004] There is a need for a new high-pressure diaphragm pump structure to solve the above problems. SUMMARY

[0005] The utility model provides a ball bearing type high pressure pump through the technical reconstruction of existing diaphragm pump, solved the existing pump service life is short, the problem of low output pressure.

[0006] To achieve the above purpose, the utility model adopts the technical scheme of:

[0007] A ball bearing type high pressure pump, comprising an upper cover, a one-way valve piece, a first shell, a second shell, a third shell, an air bag assembly, an eccentric part, a swing frame assembly, a rotating connecting piece and a motor assembly, the upper cover, the first shell, the second shell, the third shell and the motor assembly are fixedly connected from top to bottom by installation screws, the upper cover is provided with an air outlet hole, an air outlet cavity is arranged between the bottom surface of the upper cover and the first shell, and the air outlet cavity is in communication with the air outlet hole, the second shell is provided with the air bag assembly, the first shell is provided with the one-way valve piece for allowing gas to pass through in one direction, and the air outlet cavity is in communication with the inner cavity of the air bag assembly through the one-way valve piece of the first shell, the motor output end is connected with the eccentric part through the third shell, the eccentric part is rotatably connected with the swing frame assembly through the rotating connecting piece, and the swing frame assembly is sleeved on the lower end of the air bag assembly, the motor assembly is used for driving the eccentric part and the swing frame assembly to extrude the air bag assembly for pumping.

[0008] Preferably, the eccentric member comprises a horizontal bottom plate and an inclined connecting column, the horizontal bottom plate is provided with a rotating shaft connecting hole, the motor output end is inserted into the rotating shaft connecting hole of the horizontal bottom plate and is drivingly connected with the horizontal bottom plate, the inclined connecting column is fixedly arranged on the horizontal bottom plate, the inclined connecting column is provided with a mounting hole, the lower end of the rotating connecting piece is mounted in the inclined connecting column, and a steel ball is arranged in the mounting hole.

[0009] Preferably, the rotating connecting piece comprises a ball bearing and a connecting rod, the connecting rod is connected with the inner ring of the ball bearing, the lower end of the connecting rod is inserted into the inclined connecting column, the outer ring of the ball bearing is connected with the swing frame assembly, and the swing frame assembly is sleeved and mounted at the lower end position of the air bag assembly.

[0010] Preferably, the second shell is provided with an air inlet at the middle position, the air bag assembly is arranged around the air inlet, and the first shell and the second shell are provided with an air inlet cavity, the air inlet is connected with the air bag assembly cavity through the air inlet cavity.

[0011] Preferably, the first shell is provided with an air outlet at the position opposite to the air bag assembly cavity, the one-way valve is provided with an air outlet cavity one-way valve, and the air outlet cavity one-way valve is arranged at the air outlet.

[0012] The utility model discloses a beneficial effect lies in:

[0013] When the motor assembly is started, the eccentric member drives the swing frame assembly to move through the rotating connecting piece, reciprocatingly extrudes the air bag assembly, the air bag assembly cavity generates negative pressure, air enters the air inlet cavity of the second shell through the air inlet, and then enters the air bag assembly cavity, after the swing frame assembly is extruded by the motor assembly, air enters the air outlet cavity through the air outlet cavity one-way valve from the air bag assembly cavity, and is blown out along the air outlet hole.

[0014] The rotating connecting piece is provided with a ball bearing, the eccentric member and the swing frame assembly are connected through the ball bearing, compared with the traditional swing frame connecting structure, the rotating effect is more flexible, and the service life is longer.

[0015] The swing frame assembly keeps a certain inclination angle through the inclined connecting column of the eccentric member, the inclination angle of the swing frame assembly is adjusted through the inclination angle of the eccentric member, greater extrusion pressure can be outputted, greater output power can be obtained, and the air outlet amount is greater.

[0016] The air bag assembly can be applied to a car seat massage pump or an atomizer and the like, and is more widely applicable. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figures 2-3It is the explosion structure schematic view of the utility model;

[0019] Figure 4 It is the eccentric part, swing frame assembly and rotating connecting piece structure schematic view of the utility model;

[0020] Figure 5 It is the installation connection schematic view of the utility model air bag assembly;

[0021] Figure 6 It is the upper cover, first shell and second shell connecting structure schematic view of the utility model;

[0022] Explanation of reference numerals: upper cover 1, air outlet hole 11, air outlet cavity 12, first shell 2, one-way valve piece 21, air outlet cavity one-way valve 211, air outlet 22, second shell 3, air inlet 31, air inlet cavity 32, third shell 4, air bag assembly 5, eccentric part 6, horizontal bottom plate 61, rotating shaft connecting hole 611, inclined connecting column 62, mounting hole site 621, swing frame assembly 7, rotating connecting piece 71, ball bearing 711, connecting rod 712, motor assembly 8. DETAILED DESCRIPTION

[0023] The specific content of the utility model will be described in detail below in combination with the drawings and examples.

[0024] Please refer to Figures 1-6 The utility model provides a ball bearing type high pressure pump, including upper cover 1, one-way valve piece 21, first shell 2, second shell 3, third shell 4, air bag assembly 5, eccentric part 6, swing frame assembly 7, rotating connecting piece 71 and motor assembly 8, upper cover 1, first shell 2, second shell 3, third shell 4 and motor assembly 8 are fixedly connected from top to bottom through mounting screw, and upper cover 1 is installed with air outlet hole 11, and the bottom surface between upper cover 1 and first shell 2 is provided with air outlet cavity 12, and air outlet hole 11 is communicated, second shell 3 is installed with air bag assembly 5, and first shell 2 is installed with one-way valve piece 21 for the one-way passage of gas, and air outlet cavity 12 is communicated with the inner chamber of air bag assembly 5 through the one-way valve piece 21 of first shell 2, and the motor output end is communicated with eccentric part 6 through third shell 4, and eccentric part 6 is rotatably connected with swing frame assembly 7 through rotating connecting piece 71, and swing frame assembly 7 is sleeved in the lower end of air bag assembly 5, and motor assembly 8 is used to drive eccentric part 6 and swing frame assembly 7 to extrude air bag assembly 5 and pump.

[0025] Further, in order to obtain greater output pressure, the eccentric member 6 comprises a horizontal bottom plate 61 and an inclined connecting column 62, the horizontal bottom plate 61 is provided with a rotating shaft connecting hole 611, the motor output end extends into the rotating shaft connecting hole 611 of the horizontal bottom plate 61 and is drivingly connected with the horizontal bottom plate 61, the inclined connecting column 62 is fixedly arranged on the horizontal bottom plate 61, the inclined connecting column 62 is provided with a mounting hole 621, the lower end of the rotating connecting member 71 is mounted in the inclined connecting column 62, and the mounting hole 621 is further provided with a steel ball. By adjusting the inclination angle of the inclined connecting column 62, the extrusion pressure of the swing frame assembly 7 on the air bag assembly 5 is adjusted, greater output pressure is obtained, and high-pressure air flow is obtained.

[0026] Further, in order to realize the movable connection of the rotating connecting member 71 with the eccentric member 6 and the swing frame assembly 7, the rotating connecting member 71 comprises a ball bearing 711 and a connecting rod 712, the connecting rod 712 is connected with the inner ring of the ball bearing 711, the lower end of the connecting rod 712 extends into the inclined connecting column 62, the outer ring of the ball bearing 711 is connected with the swing frame assembly 7, and the swing frame assembly 7 is mounted at the lower end of the air bag assembly 5. The inclined connecting column 62 on the eccentric member 6 makes the swing frame assembly 7 in an inclined posture, the connecting rod 712 is rotatably connected with the swing frame assembly 7 through the ball bearing 711, the swing frame assembly 7 is more flexible, and the service life of the air bag assembly 5 is longer.

[0027] Further, the second shell 3 is provided with an air inlet 31 at the middle position, the inner cavity of the air bag assembly 5 mounted on the second shell 3 is distributed around the air inlet 31, and the first shell 2 and the second shell 3 are provided with an air inlet cavity 32, the air inlet 31 is connected with the inner cavity of the air bag assembly 5 through the air inlet cavity 32.

[0028] Further, in order to avoid gas backflow, the first shell 2 is provided with an air outlet 22 at a position opposite to the inner cavity of the air bag assembly 5, the air outlet cavity 12 one-way valve is arranged on the one-way valve plate 21, and the air outlet cavity 12 one-way valve is arranged at the air outlet 22. In use, air enters the inner cavity of the air bag assembly 5 from the air inlet 31 along the air inlet cavity 32, and then enters the air outlet cavity 12 through the air outlet cavity 12 one-way valve.

[0029] When the motor assembly 8 is started, the eccentric member 6 drives the swing frame assembly 7 to move through the rotating connecting member 71, reciprocatingly extrudes the air bag assembly 5, a negative pressure is generated in the inner cavity of the air bag assembly 5, air enters the air inlet cavity 32 through the air inlet 31 arranged on the second shell 3, and then enters the inner cavity of the air bag assembly 5, after the swing frame assembly 7 is extruded by the motor assembly 8, air enters the air outlet cavity 12 along the air outlet cavity 12 one-way valve from the inner cavity of the air bag assembly 5, and is blown out along the air outlet hole 11.

[0030] The rotating connecting piece 71 is provided with a ball bearing 711, and the eccentric part 6 and the swing frame assembly 7 are connected through the ball bearing 711, so that the rotating effect is more flexible, and the service life is longer compared with the traditional swing frame connecting structure.

[0031] The swing frame assembly 7 is kept at a certain inclination angle through the inclined connecting column 62 provided by the eccentric part 6, the inclination angle of the swing frame assembly 7 is adjusted through the inclination angle of the eccentric part 6, greater extrusion pressure can be outputted, so that greater output power is obtained, and the air output is greater.

[0032] The air bag assembly 5 can be applied to a car seat massage pump or an atomizer and the like, and is more widely applicable.

[0033] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limiting, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the utility model, and they should all be covered in the scope of the claims of the utility model.

[0034] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt conventional types in the prior art, and the circuit connection adopts conventional connection mode in the prior art, which will not be described in detail here.

[0035] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated, can be mechanically connected, or can be electrically connected, can be directly connected, or can be connected through an intermediate medium, can be the communication between two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A ball bearing type high pressure pump characterized by, The utility model provides a kind of air pump, including upper cover, check valve piece, first shell, second shell, third shell, air bag assembly, eccentric piece, swing frame assembly, rotary connecting piece and motor assembly, the upper cover, first shell, second shell, third shell and motor assembly are fixedly connected from top to bottom by mounting screw, and air outlet is installed on the upper cover, air outlet cavity is arranged between the bottom surface of upper cover and first shell, air bag assembly is installed on the second shell, check valve piece is installed on the first shell for gas one-way passage, and air outlet cavity is communicated with the inner cavity of air bag assembly by passing through the check valve piece of first shell, motor output end is communicated with eccentric piece by passing through third shell, eccentric piece is rotatably connected with swing frame assembly by rotary connecting piece, swing frame assembly is sleeved on the lower end of air bag assembly, and the motor assembly is used to drive eccentric piece and swing frame assembly to extrude air bag assembly and pump.

2. A ball bearing type high pressure pump according to claim 1, wherein The eccentric piece includes horizontal bottom plate and inclined connecting column, the horizontal bottom plate is provided with a rotating shaft connecting hole, the motor output end is inserted into the rotating shaft connecting hole of the horizontal bottom plate and is drivingly connected with the horizontal bottom plate, the inclined connecting column is fixedly arranged on the horizontal bottom plate, the inclined connecting column is provided with a mounting hole, the lower end of the rotary connecting piece is mounted in the inclined connecting column, and a steel ball is further arranged in the mounting hole.

3. A ball bearing type high pressure pump according to claim 2, wherein The rotary connecting piece includes a ball bearing and a connecting rod, the connecting rod is connected with the inner ring of the ball bearing, the lower end of the connecting rod is inserted into the inclined connecting column, the outer ring of the ball bearing is connected with the swing frame assembly, and the swing frame assembly is sleeved and mounted at the lower end of the air bag assembly.

4. A ball bearing type high pressure pump according to claim 1, wherein The second shell is provided with an air inlet at the middle position, the inner cavity of the air bag assembly mounted on the second shell is distributed around the air inlet, and the first shell and the second shell are provided with an air inlet cavity, the air inlet is communicated with the inner cavity of the air bag assembly through the air inlet cavity.

5. A ball bearing type high pressure pump according to claim 4, wherein The first shell is provided with an air outlet around the inner cavity of the air bag assembly, and the air outlet cavity one-way valve is arranged on the check valve piece, and the air outlet cavity one-way valve is arranged at the air outlet.

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