Diaphragm pump and home intelligent device

Abstract

This utility model provides a diaphragm pump and a smart home device. The diaphragm pump includes an eccentric wheel, which includes a wheel body and a connecting post disposed at the bottom end of the wheel body. The bottom end of the connecting post has a recessed mounting groove. A first bearing has a first mounting hole at its center, and the connecting post is disposed in the first mounting hole, with the wheel body confined outside the bearing. A support has a bearing sleeve fixed in the middle of its bottom end, and the bearing sleeve has a second mounting hole, allowing the first bearing to be installed in the second mounting hole. By setting the connecting post, the first bearing, and the bearing sleeve to fit together, and providing a mounting groove at the bottom of the connecting post to connect with the drive end of the smart device, more of the motor's rotational kinetic energy is utilized, reducing energy waste. At the same time, it makes full use of the limited internal space of the product, reducing the space required for a separate motor, thus lowering product costs. The product does not need to be equipped with a separate motor.

Description

Technical Field

[0001] This utility model relates to the field of pump technology, and in particular to a diaphragm pump and a smart home device. Background Technology

[0002] Currently, miniature diaphragm pumps on the market consist of internal components such as power and transmission diaphragms that form a complete system. However, in today's smart products, such as robotic vacuum cleaners, there is already a significant amount of residual kinetic energy from the internal motor rotation. If this energy is not fully utilized, it will lead to substantial energy and space waste. Utility Model Content

[0003] This invention provides a diaphragm pump and a smart home device to address the shortcomings of some existing smart products with motors, which have a significant amount of residual motor rotational kinetic energy. If this energy is not fully utilized, it will lead to substantial energy and space waste.

[0004] To achieve the above objectives, the first aspect of this utility model is: a diaphragm pump, comprising:

[0005] An eccentric wheel includes a wheel body and a connecting post disposed at the bottom end of the wheel body, wherein the bottom end of the connecting post is recessed to form a mounting groove;

[0006] A first bearing has a first mounting hole at its center, the connecting post is disposed in the first mounting hole and the wheel body is limited outside the bearing;

[0007] The support has a bearing sleeve fixed in the middle of its bottom end. The bearing sleeve is provided with a second mounting hole, and the first bearing can be installed in the second mounting hole.

[0008] Furthermore, it also includes:

[0009] The pendulum frame is connected to the eccentric wheel via a drive shaft, and the pendulum frame is inclined relative to the eccentric wheel;

[0010] The piston assembly is connected to the swing frame, and the movement of the swing frame drives the piston assembly to perform piston movement.

[0011] Furthermore, the piston assembly includes:

[0012] The cylinder body is mounted on the support;

[0013] The piston has a third mounting hole on the cylinder body, and the piston is connected to the cylinder body through the third mounting hole. A groove is provided on the top of the piston.

[0014] A valve seat is provided on the cylinder body. The valve seat is provided with an intake hole and an exhaust hole. A surrounding plate is provided on the outer periphery of the exhaust hole to separate the intake hole and the exhaust hole. The intake hole is arranged along the circumference of the exhaust hole. Both the intake hole and the exhaust hole are connected to the groove.

[0015] The valve core is mounted on the discharge port.

[0016] Furthermore, a mounting post is provided at the top of the valve seat. The mounting post is hollow inside and is used to install an umbrella valve, which is used to cover or expose the suction port.

[0017] Furthermore, a first boss is provided at the center of the valve seat, and a plurality of discharge holes are provided along the outer periphery of the first boss;

[0018] The valve core includes a second boss and a blocking part. The second boss is recessed and has a mounting groove that matches the first boss. The blocking part is used to block the discharge hole.

[0019] Furthermore, a reinforcing rib is provided between the second boss and the blocking part, and the reinforcing rib is connected to the second boss and is arranged along the circumference of the second boss.

[0020] Furthermore, the outer periphery of the enclosure is provided with connecting ribs to divide the valve seat into multiple cavities, each cavity being provided with the suction hole, the discharge hole, and the umbrella valve.

[0021] Furthermore, it also includes:

[0022] A cover body, on which an inlet pipe and an outlet pipe are provided, the outlet pipe being located at the center of the cover body, and the inlet pipe and the outlet pipe being spaced apart.

[0023] Furthermore, a sealing ring is provided between the cover and the valve seat.

[0024] The second aspect of this utility model also provides a home smart device, comprising:

[0025] Driver end; and

[0026] As described in any of the above embodiments, the diaphragm pump has a drive end that can be inserted into the mounting slot and drive the eccentric wheel to rotate.

[0027] Compared with the prior art, the beneficial effects of this utility model are: by setting a connecting column, a first bearing, and a bearing sleeve to connect with the drive end of the smart device, and setting an installation groove at the bottom of the connecting column, the bearing can reduce the friction coefficient between the drive end of the smart device and the connecting column, so that more of the motor rotation kinetic energy can be utilized, reducing energy waste. At the same time, it makes full use of the limited internal space of the product, reducing the space of one motor, reducing product cost, and the product does not need to be equipped with a separate motor. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the diaphragm pump provided by this utility model;

[0030] Figure 2 This is an exploded structural diagram of the diaphragm pump provided by this utility model;

[0031] Figure 3 This is a side view of the diaphragm pump provided by this utility model;

[0032] Figure 4 yes Figure 3 Sectional view of AA;

[0033] Figure 5 This is a schematic diagram of the piston structure provided by this utility model;

[0034] Figure 6 This is a schematic diagram of the valve seat provided by this utility model;

[0035] Figure 7 This is a schematic diagram of the valve core provided by this utility model;

[0036] Figure 8 This is a schematic diagram of the umbrella valve provided by this utility model;

[0037] Figure 9 This is a schematic diagram of the sealing ring provided by this utility model.

[0038] Figure label:

[0039] 10. Eccentric wheel; 11. Wheel body; 12. Connecting column; 13. Mounting groove; 20. First bearing; 21. First mounting hole; 30. Support; 40. Bearing sleeve; 41. Mounting block; 50. Frame; 60. Drive shaft; 70. Cylinder body; 71. Third mounting hole; 80. Piston; 81. Groove; 90. Valve seat; 91. Enclosure; 92. Inner groove; 93. Outer groove; 94. Discharge hole; 95. Suction hole; 9 6. First boss; 97. Mounting post; 98. First valley; 99. Second valley; 100. Valve core; 101. Second boss; 102. Covering part; 103. Reinforcing rib; 110. Umbrella valve; 120. Diaphragm chamber; 130. Cover body; 131. Inlet pipe; 132. Outlet pipe; 140. Sealing ring; 141. Outer ring; 142. Inner ring; 143. Connecting strip; 144. First ridge; 145. Second ridge. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0041] It's important to understand that diaphragm pumps are used in many smart home devices, such as robot vacuums, coffee machines, smart humidifiers, and smart toilets. These devices all have motors inside to drive them. However, these smart products have motors with excess energy. If a separate motor is installed inside the product and connected to the diaphragm pump, it will lead to insufficient internal space or overcrowding, which will affect the overall structure.

[0042] The usual connection method is that the motor is directly installed on the support 30, and the motor shaft is connected to the eccentric wheel 10. The rotation of the motor drives the eccentric wheel 10 to rotate, thereby driving the entire diaphragm pump to move.

[0043] Combination Figures 1 to 4As shown in the figure, this application embodiment provides a diaphragm pump, including an eccentric wheel 10, a first bearing 20, a support 30, and a bearing sleeve 40. The eccentric wheel 10 includes a wheel body 11 and a connecting post 12 disposed at the bottom end of the wheel body 11. The connecting post 12 is integrally connected to the wheel body 11. The bottom end of the connecting post 12 is recessed to form an installation groove 13. The center of the first bearing 20 is provided with a first installation hole 21. The connecting post 12 is disposed in the first installation hole 21 and the wheel body 11 is limited to the outside of the bearing. The bearing sleeve 40 is fixed in the middle of the bottom end of the support 30. The bearing sleeve 40 is provided with a second installation hole. The diameter of the second installation hole is larger than the outer diameter of the first bearing 20, so that the first bearing 20 can be installed in the second installation hole during installation.

[0044] The drive end of the smart device is connected by setting a connecting column 12, a first bearing 20 and a bearing sleeve 40, and setting an installation groove 13 at the bottom of the connecting column 12. The setting of the bearing can reduce the friction coefficient between the drive end of the smart device and the connecting column 12, so that more of the motor rotation kinetic energy can be utilized, reducing energy waste. At the same time, it makes full use of the limited internal space of the product, reducing the space of one motor, reducing product cost, and the product does not need to be equipped with a separate motor.

[0045] Multiple mounting blocks 41 are provided on the bottom outer periphery of the support 30. The top surface of the mounting block 41 is inclined from one end to the other end. The smart device is provided with a slot that matches the mounting block 41, so that the support 30 and the smart device can be quickly installed by rotating and clamping.

[0046] In this application, the groove of the mounting slot 13 is D-shaped. Of course, in other embodiments, it can be adjusted according to the structure of the driving end to be connected.

[0047] Combination Figure 2 and Figure 4 The diaphragm pump also includes a swing frame 50 and a piston assembly. The swing frame 50 is connected to the eccentric wheel 10 via a drive shaft 60. The swing frame 50 is inclined relative to the eccentric wheel 10. The piston assembly is connected to the swing frame 50. The movement of the swing frame 50 drives the piston assembly to perform a piston movement 80. When the eccentric wheel 10 rotates, the drive shaft 60 rotates simultaneously, driving the swing frame 50 to rotate. The swing frame 50 swings up and down, driving the piston assembly to perform a piston movement 80, thereby enabling water intake or drainage.

[0048] Combination Figures 5 to 8Specifically, the piston assembly comprises a cylinder body 70, a piston 80, a valve seat 90, a valve core 100, and a parapet valve 110. The cylinder body 70 is mounted on the support 30 and locked with screws. The piston 80 is made of an elastic material, such as rubber. The top of the piston 80 is hollowed out to form three grooves 81. The cylinder body 70 is provided with a third mounting hole 71, which has three holes for mounting the piston 80. The outer wall of the groove 81 can pass through the third mounting hole 71. The driving end of the piston 80 is in the form of three independent conical structures. The lower end of the piston 80 passes through the cylinder body 70 and extends into the bracket. The Y-shaped structure at the top of the swing frame 50 is correspondingly fitted onto the three conical structures at the driving end of the piston 80.

[0049] A valve seat 90 is mounted on the cylinder body 70. A surrounding plate 91 is provided on the top of the valve seat 90, dividing the valve seat 90 into an inner groove 92 and an outer groove 93. The inner groove 92 on the top surface of the valve seat 90 has three discharge holes 94 spaced apart, each discharge hole 94 being a curved strip. The outer groove 93 on the top surface of the valve seat 90 has three sets of suction holes 95 spaced apart, arranged circumferentially along the three discharge holes 94. The top edge of the piston 80 is pressed between the cylinder body 70 and the valve seat 90, forming a sealing structure between the cylinder body 70 and the valve seat 90. The piston 80 is placed on the bottom of the valve seat 90 to form three independent diaphragm chambers 120. Each diaphragm chamber 120 contains an umbrella valve 110. Each umbrella valve 110 is in the shape of an inverted umbrella. The upper ends of the three umbrella valves 110 are movably inserted into the mounting post of the valve seat 90. The lower ends of the three umbrella valves 110 are movably placed on the three sets of suction holes 95, thereby controlling the three sets of suction holes 95 to open and close in one direction. The valve core 100 is placed on the discharge hole 94, and the valve core 100 controls the three discharge holes 94 to open and close in one direction.

[0050] Furthermore, a first boss 96 is provided at the axis of the valve seat 90, and three discharge holes 94 are arranged along the outer periphery of the first boss 96. The valve core 100 includes a second boss 101 and a blocking part 102. The second boss 101 is recessed and forms a mounting groove 13 that matches the first boss 96. The blocking part 102 is used to block the discharge holes 94. It should be understood that during installation, the second boss 101 is fitted onto the first boss 96 and will move up and down relative to the first boss 96 when impacted. The first boss 96 here plays a positioning and guiding role to ensure the smooth movement of the valve core 100. Multiple discharge holes 94 can be provided according to different needs, and they can also be set in different shapes, without limitation.

[0051] To facilitate installation, the valve core 100 can be made of an elastic material such as rubber. To prevent damage to the valve core 100 after repeated impacts, which could affect its subsequent use, a reinforcing rib 103 is provided between the second boss 101 and the shielding part 102. The reinforcing rib 103 is connected to the second boss 101 and is arranged circumferentially along the second boss 101. The reinforcing rib 103 stabilizes the structure between the second boss 101 and the shielding part 102.

[0052] In this application, three sets of suction holes 95, three umbrella valves 110, and three discharge holes 94 are provided. The number of suction holes 95 in each set is not limited and can be two, three, four, five, etc. Setting multiple suction holes 95 can accelerate the flow of liquid.

[0053] The diaphragm pump also includes a cover 130, on which an inlet pipe 131 and an outlet pipe 132 are provided. The inlet pipe 131 is used to connect to an external water source, and the outlet pipe 132 is located at the center of the cover 130. The inlet pipe 131 and the outlet pipe 132 are spaced apart. The cover 130 covers the top surface of the valve seat 90 to form a discharge chamber and a suction chamber. The discharge chamber is formed by the inner groove 92 and the cover 130, and the suction chamber is formed by the outer groove 93 and the cover 130. The suction chamber is arranged in a ring around the discharge chamber. The inlet pipe 131 is connected to the suction chamber, and the outlet pipe 132 is connected to the discharge chamber. Three sets of suction holes 95 are all located in the suction chamber. The three diaphragm chambers 120 can be connected to the suction chamber through the corresponding set of suction holes 95.

[0054] Combination Figure 1 , Figure 6 and Figure 9 To ensure a better sealing effect, a sealing ring 140 is provided between the cover 130 and the valve seat 90. The sealing ring 140 is elastically designed, and its outline is adapted to the cover 130 and the valve seat 90. The sealing ring 140 includes an outer ring 141, an inner ring 142, and a connecting strip 143 connecting the two rings. First ridges 144 with the same outline as the outer ring 141 are provided on the upper and lower surfaces, respectively. Second ridges 145 with the same outline as the inner ring 142 are provided on the upper and lower surfaces, respectively. A first valley 98 adapted to the first ridge 144 and a second ridge 99 adapted to the second ridge 145 are correspondingly provided on the valve seat 90. The seal is formed by the interlocking of the ridges and valleys.

[0055] The principle of this diaphragm valve is as follows: the eccentric wheel 10 rotates under the action of the external drive end, and the transmission shaft 60 rotates together with the eccentric wheel 10. The transmission shaft 60 drives the swing frame 50 to swing eccentrically, causing the volume of the diaphragm chamber 120 to change. When the volume of the diaphragm chamber 120 increases from small to large, the three umbrella valves 110 open, the valve core 100 closes, and the three discharge holes 94 are blocked by the shielding part 102. External fluid enters the suction chamber from the inlet pipe 131. The fluid in the suction chamber is drawn into the three diaphragm chambers 120 through the three sets of suction holes 95, and the volume of the diaphragm chamber 120 increases. When the volume of the diaphragm chamber 120 decreases from large to small, the three umbrella valves 110 close, the valve core 100 opens, and the fluid in the three diaphragm chambers 120 is discharged into the discharge chamber through the three discharge holes 94, and finally discharged through the outlet pipe 132.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A diaphragm pump characterized in that, include: An eccentric wheel includes a wheel body and a connecting post disposed at the bottom end of the wheel body, wherein the bottom end of the connecting post is recessed to form a mounting groove; A first bearing has a first mounting hole at its center, the connecting post is disposed in the first mounting hole and the wheel body is limited outside the bearing; The support has a bearing sleeve fixed in the middle of its bottom end. The bearing sleeve is provided with a second mounting hole, and the first bearing can be installed in the second mounting hole.

2. The membrane pump of claim 1, wherein, Also includes: The pendulum frame is connected to the eccentric wheel via a drive shaft, and the pendulum frame is inclined relative to the eccentric wheel; The piston assembly is connected to the swing frame, and the movement of the swing frame drives the piston assembly to perform piston movement.

3. The membrane pump of claim 2, wherein, The piston assembly includes: The cylinder body is mounted on the support; The piston has a third mounting hole on the cylinder body, and the piston is connected to the cylinder body through the third mounting hole. A groove is provided on the top of the piston. A valve seat is provided on the cylinder body. The valve seat is provided with an intake hole and an exhaust hole. A surrounding plate is provided on the outer periphery of the exhaust hole to separate the intake hole and the exhaust hole. The intake hole is arranged along the circumference of the exhaust hole. Both the intake hole and the exhaust hole are connected to the groove. The valve core is mounted on the discharge port.

4. The diaphragm pump according to claim 3, characterized in that, The valve seat is also provided with a mounting post at the top. The mounting post is hollow inside and is used to install an umbrella valve. The umbrella valve is used to cover or expose the suction port.

5. The diaphragm pump according to claim 4, characterized in that, A first boss is provided at the center of the valve seat, and a plurality of discharge holes are provided along the outer periphery of the first boss. The valve core includes a second boss and a blocking part. The second boss is recessed and has a mounting groove that matches the first boss. The blocking part is used to block the discharge hole.

6. The diaphragm pump according to claim 5, characterized in that, A reinforcing rib is also provided between the second boss and the shielding part. The reinforcing rib is connected to the second boss and is arranged along the circumference of the second boss.

7. The diaphragm pump according to claim 6, characterized in that, The outer periphery of the enclosure is provided with connecting ribs to divide the valve seat into multiple cavities, each cavity being provided with the suction hole, the discharge hole and the umbrella valve.

8. The membrane pump of claim 3, wherein, Also includes: A cover body, on which an inlet pipe and an outlet pipe are provided, the outlet pipe being located at the center of the cover body, and the inlet pipe and the outlet pipe being spaced apart.

9. The diaphragm pump according to claim 8, characterized in that, A sealing ring is provided between the cover and the valve seat.

10. A smart home device, characterized in that, include: Driver end; as well as The diaphragm pump according to any one of claims 1 to 9, wherein the drive end can be inserted into the mounting groove and drive the eccentric wheel to rotate.

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