Electromagnetic pump structure of oral irrigator

Abstract

The utility model discloses an electromagnetic pump structure of a water pick, which comprises a pump body, and a plug rod seat is arranged in an inner cavity of the pump body; a coil; a reset device is arranged on the plug rod; the top of the plug rod is provided with a second slope corresponding to the first slope, the angle of the second slope is smaller than that of the first slope, the bottom end of the pump body is provided with a third slope, the bottom of the plug rod extends outwards to form a limiting part, and the limiting part is provided with a fourth slope corresponding to the third slope. Compared with the prior art, the utility model has the following beneficial effects: the first inclined plane corresponds to the third inclined plane and has a larger angle, the second inclined plane corresponds to the fourth inclined plane and has a larger angle, and the upper oblique angle of the third inclined plane is closest to the first inclined plane; the upper oblique angle of the fourth inclined plane is closest to the first inclined plane, and a stable upward force is formed through the effect of the closest magnetic force.

Description

TECHNICAL FIELD

[0001] The utility model relates to oral irrigator accessory technical field, especially oral irrigator's electromagnetic pump structure. BACKGROUND

[0002] Oral irrigator is a kind of auxiliary tool for cleaning oral cavity, and the cleaning effect of oral irrigator is mainly realized by the impact force of high-speed water column sprayed under certain pressure, and part of oral irrigator on the market adopts electromagnetic pump as the device for pressurizing water flow, but the bottom of the existing electromagnetic pump is designed as a plane, so that the suction force is too small to be adsorbed when the distance between upper plug rods is large, and the adsorption force is too strong when the distance is small, thereby affecting personal safety.

[0003] Based on the above reasons, it is necessary to improve the prior art. UTILITY MODEL CONTENT

[0004] I. technical problem to be solved

[0005] The utility model is in view of the above-mentioned defects of prior art, and electromagnetic pump structure of oral irrigator is provided to solve the problems in the background art.

[0006] TECHNICAL SCHEME

[0007] To solve the above technical problems, the utility model provides electromagnetic pump structure of oral irrigator, including pump body, the plug rod seat is arranged in the pump body cavity;

[0008] Coil, the coil provides magnetic field after electrification;

[0009] Plug rod, the plug rod is arranged in the pump body, and is surrounded by the coil, reset device is arranged on the plug rod;

[0010] First inclined plane is arranged on the plug rod seat, the second inclined plane corresponding with the first inclined plane is arranged on the top of plug rod, the angle of second inclined plane is smaller than the angle of first inclined plane, third inclined plane is arranged on the bottom end of pump body, the limit portion is extended outward from the bottom of plug rod, and fourth inclined plane corresponding with the third inclined plane is arranged on the limit portion, the angle of fourth inclined plane is smaller than the angle of third inclined plane, the positioning column is protruded on the top of plug rod, the reset spring is sleeved on the positioning column, the groove portion for placing reset spring is recessed between plug rod and positioning column, the coil includes insulating tube and wire around the insulating tube, and the insulating tube is extended outward to form limit protrusion at both ends.

[0011] In the above technical scheme, the through hole for wire is arranged on one side of the pump body.

[0012] In the technical scheme, the first inclined surface and the third inclined surface are 45°, and the second inclined surface and the fourth inclined surface are 40°.

[0013] Advantages

[0014] Compared with the prior art, the utility model discloses the following beneficial effects: compared with the prior art, the utility model discloses the following beneficial effects: the first inclined surface corresponds the third inclined surface and the angle is larger, the second inclined surface corresponds the fourth inclined surface and the angle is larger, the upper side angle of the third inclined surface is closest to the first inclined surface, the upper side angle of the fourth inclined surface is closest to the first inclined surface, and the effect that the magnetic force is the largest through the closest distance forms a stable force that is always upward. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a three-dimensional structure schematic view of the utility model.

[0016] Fig. 2 It is a cross section structure schematic view of the electromagnetic pump of the utility model.

[0017] Fig. 3 It is a part cross section structure schematic view of the electromagnetic pump of the utility model.

[0018] In the figure: 1 is pump body, 10 is plug rod seat, 11 is third inclined surface, 12 is through hole, 100 is first inclined surface, 2 is coil, 20 is insulating tube, 21 is wire, 200 is limiting protrusion, 3 is plug rod, 30 is reset device, 31 is second inclined surface, 32 is limiting part, 33 is groove part, 34 is positioning column, 320 is fourth inclined surface. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model will be described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0020] Please refer to Figs. 1-3 The utility model provides electromagnetic pump structure of oral irrigator, including pump body 1, the pump body 1 inner chamber is provided with plug rod seat 10;

[0021] Coil 2, the coil 2 provides magnetic field after electrification;

[0022] Plug rod 3, the plug rod 3 is set up in the pump body 1, and is surrounded by the coil 2, is provided with reset device 30 on the plug rod 3;

[0023] The plug rod seat 10 is provided with a first inclined surface 100, the top of the plug rod 3 is provided with a second inclined surface 31 corresponding to the first inclined surface 100, the angle of the second inclined surface 31 is smaller than that of the first inclined surface 100, the bottom end of the pump body 1 is provided with a third inclined surface 11, the bottom of the plug rod 3 extends outwardly to form a limiting portion 32, and the limiting portion 32 is provided with a fourth inclined surface 320 corresponding to the third inclined surface 11, the angle of the fourth inclined surface 320 is smaller than that of the third inclined surface 11, the top of the plug rod 3 is provided with a positioning column 34, the reset device 30 is a reset spring sleeved on the positioning column 34, and a groove 33 for placing the reset spring is formed between the plug rod 3 and the positioning column 34, and the coil 2 comprises an insulating tube 20 and a wire 21 wound on the insulating tube 20, and the two ends of the insulating tube 20 extend outwardly to form limiting protrusions 200.

[0024] In the above structure, when the electromagnetic pump is running, the coil is energized to generate a magnetic field, the pump body and the plug rod are magnetized, so that the plug rod moves upward under the suction force of the pump body, and the plug rod seat in the inner cavity of the pump body is provided with a first inclined surface, the top of the plug rod is provided with a second inclined surface matched with the first inclined surface and smaller in angle than the first inclined surface, the upper side of the second inclined surface is closest to the first inclined surface, the bottom of the pump body is provided with a third inclined surface, and the limiting portion extending outwardly from the bottom of the plug rod is provided with a fourth inclined surface matched with the third inclined surface and smaller in angle than the third inclined surface, the upper side of the fourth inclined surface is closest to the third inclined surface, and through the principle that the closer the distance, the greater the magnetic force in the process of magnetic adsorption, the upper side of the second inclined surface is always closest to the first inclined surface when adsorbing the first inclined surface upward, and the upper side of the fourth inclined surface is always closest to the third inclined surface when adsorbing the third inclined surface upward, so that a stable upward suction force is formed, and the conditions that no adsorption force is caused due to too far distance between the plug rods or the human body is clamped due to too close distance between the plug rods and too strong suction force are prevented.

[0025] Specifically, the pump body 1 is provided with a through hole 12 for the wire 21 to pass out, and the through hole facilitates the wire to pass out and connect the power supply, and the through hole can accommodate the wire, thereby increasing the overall aesthetic degree and achieving a visual effect that is not conspicuous.

[0026] Specifically, the first inclined surface 100 and the third inclined surface 11 are 45°, and the second inclined surface 30 and the fourth inclined surface 320 are 40°.

[0027] The above is only a preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the technical principles of the present application, and these improvements and refinements should also be regarded as the protection scope of the present application.

Claims

1. An electromagnetic pump structure of a waterpik, comprising: a pump body (1) provided with a plunger seat (10) in the inner cavity of the pump body (1); a coil (2) providing a magnetic field after being energized; a plunger (3) provided in the pump body (1) and surrounded by the coil (2), and provided with a reset device (30) on the plunger (3); characterized in that the plunger seat (10) is provided with a first inclined surface (100), the top of the plunger (3) is provided with a second inclined surface (31) corresponding to the first inclined surface (100), the angle of the second inclined surface (31) is smaller than that of the first inclined surface (100), the bottom end of the pump body (1) is provided with a third inclined surface (11), the bottom of the plunger (3) extends outwardly to a limiting portion (32), and the limiting portion (32) is provided with a fourth inclined surface (320) corresponding to the third inclined surface (11), the angle of the fourth inclined surface (320) is smaller than that of the third inclined surface (11), the top of the plunger (3) is provided with a positioning column (34), the reset device (30) is a reset spring sleeved on the positioning column (34), a groove (33) for placing the reset spring is recessed between the plunger (3) and the positioning column (34), the coil (2) comprises an insulating tube (20) and a wire (21) wound around the insulating tube (20), and the insulating tube (20) extends outwardly at both ends to form a limiting protrusion (200).

2. The electromagnetic pump structure of the waterpik according to claim 1, characterized in that: a through hole (12) for the wire (21) to pass out is formed on one side of the pump body (1).

3. The electromagnetic pump structure of the waterpik according to claim 1, characterized in that: the first inclined surface (100) and the third inclined surface (11) are 45°, and the second inclined surface (31) and the fourth inclined surface (320) are 40°.

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