Miniature high-pressure pulse water pump

Abstract

The utility model provides a miniature high-pressure pulse water pump with a pulse piston, which relates to the technical field of water pumps and comprises a motor mounted on a bottom cover body, the output end of the motor extends into a bottom cover, and a cover plate is mounted at one end of the bottom cover far away from the motor. An eccentric wheel is installed in a cavity formed by the cover plate and the bottom cover and located on the periphery of the output end of the motor, a swing arm is installed on the periphery of the eccentric wheel, a membrane is installed on one side of the swing arm, a cavity base installed on the bottom cover is arranged at the other end of the membrane, and a piston is arranged in the cavity base. According to the water pump, the high-frequency pulse effect experience feeling is better, the impact water amount is small, the water spraying time is longer, noise is low, and meanwhile compared with an existing direct-discharging piston pump, the assembling process is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of water pumps, in particular to a miniature high-pressure pulse water pump. Background Art

[0002] The two existing water pumps used in the market, diaphragm pump structure direct injection water pump and direct discharge piston ram pump, have the following disadvantages:

[0003] Diaphragm pump structure direct injection water pump: The impact is not strong. Due to the structural characteristics of the diaphragm pump, the impact of the water flow may be relatively weak, which may not be ideal for some application scenarios that require strong water flow (such as cleaning, flushing, etc.); and the diaphragm pump usually does not have a pulse function, which limits its use in applications that require pulsed water flow. Due to its direct injection design, the diaphragm pump may produce a relatively large amount of direct injection water;

[0004] In-line piston ram pump: In-line piston ram pump may produce loud noise when working: the volume of the pump is relatively long and will take up more installation space;

[0005] In view of the above defects, we propose a short-stroke, low-flow miniature high-pressure pulse water pump for the teeth flushing and cleaning industries to change the current situation. Utility Model Content

[0006] The purpose of the utility model is to provide a miniature high-pressure pulse water pump to solve the above-mentioned deficiencies in the technology.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a miniature high-pressure pulse water pump, comprising a motor installed on a bottom cover body, the output end of the motor extends to the inside of the bottom cover, a cover plate is installed at the end of the bottom cover away from the motor, an eccentric wheel is installed in the cavity formed by the cover plate and the bottom cover and located at the periphery of the output end of the motor, a swing arm is installed at the periphery of the eccentric wheel, a diaphragm is installed on one side of the swing arm, a cavity seat installed with the bottom cover is provided at the other end of the diaphragm, a piston is provided inside the cavity seat, and an upper cover is installed on the outside of the cavity seat.

[0008] Furthermore, a ball bearing is installed between the eccentric wheel and the swing arm.

[0009] Furthermore, a bearing is installed on the periphery of the output end of the motor near the bottom cover.

[0010] Furthermore, the swing arm is clamped inside the diaphragm, and when the eccentric wheel rotates, the diaphragm is driven to move forward and backward.

[0011] Furthermore, one end of the cavity seat is connected to the valve plate through a channel, and the flow size of the medium is controlled by the valve plate.

[0012] Furthermore, a channel cavity is provided in the upper cover, a chamber is provided on the side of the cavity seat close to the diaphragm, and the piston is located in the channel cavity to the chamber, and umbrella tips are provided on the periphery of the piston opposite to the channel cavity and the chamber, and a sealing gasket is also provided between the upper cover and the cavity seat.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. When the motor moves one circle, a stretching and compression process is formed in the cavity, and the pump body will have a process of water inflow and outflow, thus achieving a pulse effect.

[0015] 2. Eccentric distance design The eccentric size is small, the diaphragm is short, and the inner cavity compression molding part is designed with small holes to achieve a low flow effect.

[0016] 3. The motor has high torque, the diaphragm has high hardness, and the shank has high sealing to achieve high pressure effect.

[0017] This water pump comes with a pulse piston. When in use, the high-frequency pulse effect provides a better experience, with a small amount of impact water, a longer interval between water sprays, a short stroke and low noise. At the same time, the assembly process is simpler than the current direct-discharge piston pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the overall structure of a miniature high-pressure pulse water pump provided by the utility model.

[0019] Legend: 1. Motor; 2. Bottom cover; 3. Cover plate; 4. Eccentric wheel; 5. Swing arm; 6. Diaphragm; 7. Cavity seat; 71. Piston; 8. Upper cover; 9. Ball bearing; 10. Bearing; 11. Valve plate; 12. Umbrella; 13. Sealing gasket. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant literature, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0024] Example 1

[0025] like Figure 1 As shown, the utility model provides a technical solution: a micro high-pressure pulse water pump, comprising a motor 1 installed on a bottom cover 2 body, the output end of the motor 1 extends to the inside of the bottom cover 2, a cover plate 3 is installed at one end of the bottom cover 2 away from the motor 1, an eccentric wheel 4 is installed in a cavity formed by the cover plate 3 and the bottom cover 2 and located at the periphery of the output end of the motor 1, a swing arm 5 is installed at the periphery of the eccentric wheel 4, the eccentric characteristic of the center of mass of the eccentric wheel 4 generates a radial force when the motor 1 is in operation, and this force is used to drive the swing arm 5, a diaphragm 6 is installed on one side of the swing arm 5, the swing arm 5 is a lever, one end of which is connected to the eccentric wheel 4, and the other end is connected to the diaphragm 6, when the eccentric wheel 4 rotates, the swing arm 5 will swing back and forth, thereby driving the diaphragm 6 to move back and forth, a cavity seat 7 installed with the bottom cover 2 is provided at the other end of the diaphragm 6, a piston 71 is provided inside the cavity seat 7, and an upper cover 8 is installed on the outside of the cavity seat 7.

[0026] Example 2

[0027] like Figure 1 As shown, a ball bearing 9 is installed between the eccentric wheel 4 and the swing arm 5. The ball bearing 9 is used to reduce the friction between the eccentric wheel 4 and the swing arm 5 so that they can rotate more smoothly.

[0028] A bearing 10 is installed on the periphery of the output end of the motor 1 near the bottom cover 2. The bearing 10 is used to support the output end of the motor 1 to reduce friction during its rotation.

[0029] The swing arm 5 is clamped inside the diaphragm 6, and when the eccentric wheel 4 rotates, the diaphragm 6 is driven to move forward and backward.

[0030] One end of the cavity seat 7 is connected to the valve plate 11 through a channel, and the flow size of the medium is controlled by the valve plate 11.

[0031] A channel cavity is provided in the upper cover 8, a chamber is provided on the side of the cavity seat 7 close to the diaphragm 6, and the piston 71 is located in the channel cavity to the chamber, and umbrella pieces 12 are provided on the periphery of the piston 71 opposite to the channel cavity and the chamber. The umbrella pieces 12 are two unidirectional umbrella-shaped rubber bodies on both sides. A sealing gasket 13 is also provided between the upper cover 8 and the cavity seat 7. The sealing gasket 13 is used to enhance the sealing between the upper cover 8 and the cavity seat 7 to prevent fluid leakage.

[0032] The working principle of the utility model is as follows: the motor 1 is powered on to rotate, and drives the eccentric wheel 4 to make eccentric reciprocating circular motion, the eccentric wheel 4 drives the swing arm 5 to make reciprocating forward and backward motion, the forward and backward motion of the swing arm 5 drives the diaphragm 6 to move forward and backward, thereby forming compression and stretching of the chamber, so that when the piston 71 moves, the channel cavity and the umbrella 12 located relatively to the chamber are opened to form water inlet and water outlet during compression and stretching, respectively, thereby achieving water inlet at one end and water outlet at the other end.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A micro high-pressure pulse water pump, comprising a motor (1) mounted on a bottom cover (2) body, characterized in that: The output end of the motor (1) extends to the inside of the bottom cover (2); a cover plate (3) is installed at one end of the bottom cover (2) away from the motor (1); an eccentric wheel (4) is installed in a cavity formed by the cover plate (3) and the bottom cover (2) and located at the periphery of the output end of the motor (1); a swing arm (5) is installed at the periphery of the eccentric wheel (4); a diaphragm (6) is installed on one side of the swing arm (5); a cavity seat (7) installed with the bottom cover (2) is provided at the other end of the diaphragm (6); a piston (71) is provided inside the cavity seat (7); and an upper cover (8) is installed on the outside of the cavity seat (7).

2. A micro high-pressure pulse water pump according to claim 1, characterized in that: A ball bearing (9) is installed between the eccentric wheel (4) and the swing arm (5).

3. A micro high-pressure pulse water pump according to claim 1, characterized in that: A bearing (10) is installed on the periphery of the output end of the motor (1) close to the bottom cover (2).

4. A micro high-pressure pulse water pump according to claim 1, characterized in that: The swing arm (5) is clamped inside the diaphragm (6), and when the eccentric wheel (4) rotates, it drives the diaphragm (6) to move forward and backward.

5. A micro high-pressure pulse water pump according to claim 1, characterized in that: One end of the cavity seat (7) is connected to the valve plate (11) through a channel, and the flow size of the medium is controlled by the valve plate (11).

6. A micro high-pressure pulse water pump according to claim 1, characterized in that: The upper cover (8) is provided with a channel cavity, the cavity seat (7) is provided with a chamber on the side close to the diaphragm (6), the piston (71) is located in the channel cavity and the chamber, and umbrellas (12) are provided on the periphery of the piston (71) at the opposite parts of the channel cavity and the chamber, and a sealing gasket (13) is also provided between the upper cover (8) and the cavity seat (7).

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