Direct-current brushless pump

Abstract

The utility model discloses a direct current brushless pump, the utility model relates to direct current brushless pump technical field, the utility model discloses a direct current brushless pump, the direct current brushless pump includes pump body and PCBA board, the PCBA board is vertically arranged in the pump body left side, and the surface of PCBA board is fixedly inserted with a plurality of evenly distributed probe, the left side plate of pump body is opened with the opening, in the opening is slidingly installed with the pinboard, the pinboard is inserted in the pinboard. A plurality of round holes allowing probes to be inserted in a sliding mode are formed in the surface of the pin plate, a water inlet is formed in the bottom of the pump body, and a vertically-arranged water outlet pipe is fixedly arranged on the rear side of the pump body. And people can use conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of DC brushless pumps, and particularly relates to a DC brushless pump. Background Art

[0002] The brushless DC pump uses the principle of a permanent magnet brushless DC motor. An impeller is added to its rotor, and the housing structure is designed to form a cavity for the liquid to make a centrifugal motion. Since there is no carbon brush friction, no spark will be generated; it has high efficiency, low power consumption, longer life than a brushed motor, and low noise.

[0003] At present, a probe will be installed on the DC brushless pump to sense the water level and detect the height of the water level. In the prior art, when installing the probe, it is generally directly fixed and inserted on the sealant surface on one side of the pump body. In this way, the probe is generally placed inside the pump body, which requires requirements for the internal space of the pump body, and the probe is directly fixed, making it inconvenient for disassembly and assembly. Therefore, we propose a DC brushless pump. Content of the Utility Model

[0004] The purpose of the utility model is to provide a DC brushless pump.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A DC brushless pump includes a pump body and a PCBA board. The PCBA board is vertically arranged on the left side inside the pump body, and a plurality of uniformly distributed probes are fixedly inserted on the surface of the PCBA board. An opening is formed on the left side plate of the pump body, and a plug plate is slidably installed in the opening. A plurality of round holes for the probes to slide and insert are formed on the surface of the plug plate. The bottom of the pump body is provided with a water inlet, and a vertically arranged water outlet pipe is fixedly arranged at the rear of the pump body.

[0006] As a further solution of the utility model: The upper port of the opening is cross-shaped, the upper end surface of the plug plate is cross-shaped, and the size of the plug plate and the size of the opening are in interference fit.

[0007] As a further solution of the utility model: A sealing ring is sleeved on each probe. A plurality of sealing grooves are formed on the side of the plug plate close to the PCBA board. The plurality of sealing grooves are respectively aligned with the plurality of round holes, and the plurality of sealing rings can be respectively movably installed into the plurality of sealing grooves.

[0008] As a further solution of the utility model: The number of the probes is set to three, and the three probes are vertically arranged.

[0009] As a further solution of the utility model: Fixed ears are fixedly arranged on the lower sides of the left and right sides of the pump body, and fixing holes are formed on both of the fixed ears.

[0010] As a further solution of the utility model: One end of each probe away from the PCBA board is provided with a round head shape, and the diameter size of the end face of the probe and the aperture size of the round hole are in transitional fit.

[0011] As a further solution of the utility model: The length of the pin board is 10 cm, and the width of the pin board is 3 cm.

[0012] As a further solution of the utility model: Both of the fixing ears are made of cemented carbide material, and the upper surfaces of both fixing ears are provided with a concave shape.

[0013] Adopting the above technical solution, compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model installs the probe on the PCBA board and then inserts it into the pin board. The pin board is installed in the opening on one side of the pump body by means of pins. This not only facilitates the installation of the probe, but also easily meets the space requirements for the pump body to install the probe, making it convenient for people to use.

[0015] Other advantages, objectives and features of the utility model will be described to some extent in the subsequent description, and to some extent, will be obvious to those skilled in the art based on the study of the following text, or can be taught from the practice of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the front three-dimensional schematic diagram in the embodiment of the utility model;

[0017] Figure 2 is the left three-dimensional schematic diagram in the embodiment of the utility model;

[0018] Figure 3 is the bottom three-dimensional schematic diagram in the embodiment of the utility model;

[0019] Figure 4 is the connection schematic diagram of the pin board and the PCBA board in the embodiment of the utility model;

[0020] Figure 5 is the right three-dimensional schematic diagram of the pin board in the embodiment of the utility model;

[0021] Figure 6 is the explosion schematic diagram of the pump body and the pin board in the embodiment of the utility model;

[0022] Figure 7 is the cross-sectional schematic diagram of the pump body in the embodiment of the utility model.

[0023] In the figure: 1, pump body; 2, PCBA board; 3, probe; 4, opening; 5, plug board; 6, water inlet; 7, round hole; 8, water outlet pipe; 9, sealing ring; 10, sealing groove; 11, fixing ear. Detailed implementation manners

[0024] The following further describes the detailed implementation manners of the present utility model in conjunction with the attached drawings. It should be noted here that the description of these implementation manners is used to help understand the present utility model, but does not constitute a limitation to the present utility model.

[0025] In addition, the technical features involved in the various implementation manners of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0026] Please refer to the attached Figure 1 - attached Figure 7 , a DC brushless pump of the present utility model includes a pump body 1 and a PCBA board 2. The PCBA board 2 is vertically arranged on the left side inside the pump body 1, and a plurality of uniformly distributed probes 3 are fixedly inserted on the surface of the PCBA board 2. An opening 4 is provided on the left side plate of the pump body 1, and a plug board 5 is slidably installed in the opening 4. A plurality of round holes 7 for the probes 3 to slide and insert are provided on the surface of the plug board 5. A water inlet 6 is arranged at the bottom of the pump body 1, and a vertically arranged water outlet pipe 8 is fixedly arranged at the rear side of the pump body 1. The pump body 1 is composed of a front cover and a main body, and a stator assembly, a rotor assembly and an impeller are installed inside the pump body 1 to provide pumping power. This is the prior art.

[0027] In an implementation manner of the present utility model: the upper port of the opening 4 is arranged in a cross shape, the upper end surface of the plug board 5 is arranged in a cross shape, and the size of the plug board 5 and the size of the opening 4 are in interference fit, which can make the plug board 5 more stable after being inserted into the opening 4.

[0028] In an implementation manner of the present utility model: a sealing ring 9 is sleeved on each probe 3, and a plurality of sealing grooves 10 are provided on the side of the plug board 5 close to the PCBA board 2. The plurality of sealing grooves 10 are respectively aligned with the plurality of round holes 7, and the plurality of sealing rings 9 can be respectively movably installed into the plurality of sealing grooves 10, which can seal the positions of the probes 3 and the round holes 7 and improve the sealing performance.

[0029] In an implementation manner of the present utility model: the number of the probes 3 is set to three, and the three probes 3 are vertically arranged.

[0030] In an implementation manner of the present utility model: fixing ears 11 are fixedly arranged on both the lower left and right sides of the pump body 1, and fixing holes are provided on both of the two fixing ears 11, which is convenient for fixing the pump body 1.

[0031] In an embodiment of the present utility model: One end of each probe 3 away from the PCBA board 2 is provided with a round head. The diameter dimension of the end face of the probe 3 and the aperture dimension of the round hole 7 are in transitional fit, which facilitates inserting the probe 3 into the round hole 7 and prevents the probe 3 from being too loose in the round hole 7.

[0032] In an embodiment of the present utility model: The length of the pin board 5 is 10 cm, and the width of the pin board 5 is 3 cm.

[0033] In an embodiment of the present utility model: Both fixing ears 11 are made of cemented carbide material, and the upper surfaces of both fixing ears 11 are provided with depressions, which not only improves the strength and anti-corrosion property of the two fixing ears 11 and prevents damage, but also enables the bolt head to be received in the depression when using bolts for fixing, avoiding loosening due to protruding and being touched.

[0034] Working principle:

[0035] Install the probe 3 on the PCBA board 2 and then insert it into the pin board 5. The pin board 5 is installed in the opening 4 on one side of the pump body 1 by means of pins. This not only facilitates the installation of the probe 3 but also easily meets the space requirements for the pump body 1 to install the probe 3, making it convenient for people to use.

[0036] For front, back, left, right, up, and down, they are all based on the Figure 1 in the accompanying drawings of the specification. Taking the observation perspective of a person as the standard, the side of the device facing the observer is defined as the front, and the left side of the observer is defined as the left, and so on.

[0037] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the protection scope of the present utility model.

[0038] It should be noted that the device structure and drawings of the present utility model mainly describe the principle of the present utility model. Regarding the power mechanism, power supply system, control system, etc. of the device, they are not fully described clearly in terms of the design principle. On the premise that those skilled in the art understand the principle of the above-mentioned utility model, the specific power mechanism, power supply system, and control system can be clearly known. The control method of the application document is automatically controlled by a controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art.

[0039] All the standard parts used can be purchased from the market, and can also be customized according to the description in the specification and the attached drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the components known to those skilled in the art, their structures and principles can all be learned by the technicians through technical manuals or obtained through conventional experimental methods.

[0040] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the described embodiments.

[0041] For those skilled in the art, without departing from the principle and spirit of the present utility model, various changes, modifications, substitutions and variations made to these embodiments still fall within the protection scope of the present utility model.

Claims

1. A DC brushless pump, comprising a pump body (1) and a PCBA board (2), characterized in that: The PCBA board (2) is vertically arranged on the left side inside the pump body (1), and a plurality of uniformly distributed probes (3) are fixedly inserted on the surface of the PCBA board (2). An opening (4) is formed in the left side plate of the pump body (1), and a plug board (5) is slidably installed in the opening (4). A plurality of round holes (7) for the probes (3) to slide and insert are formed on the surface of the plug board (5). A water inlet (6) is arranged at the bottom of the pump body (1), and a vertically arranged water outlet pipe (8) is fixedly arranged at the rear side of the pump body (1).

2. The DC brushless pump according to claim 1, wherein: The upper port of the opening (4) is cross-shaped, the upper end face of the plug board (5) is cross-shaped, and the size of the plug board (5) and the size of the opening (4) are in interference fit.

3. The DC brushless pump according to claim 1, wherein: A sealing ring (9) is sleeved on each probe (3). A plurality of sealing grooves (10) are formed on one side of the plug board (5) close to the PCBA board (2). The plurality of sealing grooves (10) are respectively aligned with the plurality of round holes (7), and the plurality of sealing rings (9) can be respectively movably installed into the plurality of sealing grooves (10).

4. A DC brushless pump according to claim 1, characterized in that: The number of the probes (3) is set to three, and the three probes (3) are vertically arranged.

5. A brushless DC pump according to claim 1, characterized in that: Fixing ears (11) are fixedly arranged below the left and right sides of the pump body (1), and fixing holes are formed in the two fixing ears (11).

6. The DC brushless pump according to claim 1, wherein: One end of each probe (3) far from the PCBA board (2) is round-headed, and the diameter dimension of the end face of the probe (3) and the aperture dimension of the round hole (7) are in transition fit.

7. The DC brushless pump according to claim 1, wherein: The length of the plug board (5) is 10 cm, and the width of the plug board (5) is 3 cm.

8. The DC brushless pump according to claim 5, characterized in that: The two fixing ears (11) are both made of cemented carbide material, and the upper surfaces of the two fixing ears (11) are both concave-shaped.

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