Micro water pump capable of adjusting flow speed
By installing a T-type adapter and a threaded adjustable piston on the inlet connector of the micro water pump, the problem of the inability to adjust the water flow rate of existing micro water pumps is solved, and flexible adjustment of the water flow rate is achieved.
Patent Information
- Application Number
- CN202520592993.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Existing micro water pumps cannot regulate water flow rate, which limits their application.
A T-type adapter is installed on the inlet connector of the miniature water pump, and a threaded adjustable piston is set in the first tap of the adapter. The position of the piston is adjusted by rotating the piston to change the inlet flow rate of the inlet channel.
The water flow rate of the micro water pump is adjustable to meet different usage needs.
Smart Images

Figure CN223781570U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of micro water pump especially relates to a micro water pump of adjustable flow rate. BACKGROUND
[0002] The micro water pump of motor rotating speed usually refers to the micro direct current water pump driven by the direct current brushless motor.
[0003] The micro water pump on the market cannot realize the adjustment of water flow rate, and has use limitation. INVENTION CONTENTS
[0004] The utility model discloses a micro water pump of adjustable flow rate, which comprises:
[0005] A pump body is provided with a water pumping assembly, a water inlet connector and a water outlet connector are arranged on the pump body and connected to the water pumping assembly.
[0006] An adapter is in T-shaped structure, comprising a first sub-connector and a second sub-connector, the first sub-connector is inserted and matched with the water inlet connector, the water inlet connector, the first sub-connector and the second sub-connector are connected, and a water inlet channel is formed in the second sub-connector.
[0007] A piston is adjustably arranged in the first sub-connector, and the water flow rate entering the water inlet channel from outside is changed by adjusting the position between the piston and the water inlet channel.
[0008] In a further embodiment of the utility model, the piston and the adapter are connected through threads, and the threads are arranged on the inner wall top of the first sub-connector.
[0009] In a further embodiment of the utility model, at least one sealing ring is sleeved on the piston, and the sealing ring is sealingly connected with the inner wall of the first sub-connector.
[0010] In a further embodiment of the utility model, a slot is formed in the top of the piston and matched with a screwdriver bit.
[0011] In a further embodiment of the utility model, the piston does not contact with the water inlet connector in the adjusting stroke.
[0012] In a further embodiment of the utility model, the distance between the bottom end surface of the piston and the top end surface of the water inlet connector is between 1-5mm.
[0013] The utility model has the advantages of:
[0014] The micro water pump is provided with a T-shaped adapter on the water inlet connector, a water inlet cavity is formed in the second branch of the adapter, and a threaded adjustable piston is arranged on the first branch of the adapter, so that the position of the piston is adjusted to match the water inlet cavity, and the water inlet flow rate of the water inlet cavity is adjusted to meet the water speed adjustability. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is an overall structure schematic diagram of the utility model;
[0016] Figure 2 It is an overall structure schematic diagram of the utility model;
[0017] Figure 3 It is a sectional view schematic diagram of the utility model. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.
[0019] In the description of the present application, it should be noted that the terms used herein are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. In order to facilitate the description, the sizes of the parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and devices known to those skilled in the relevant art may not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of the exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.
[0020] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.
[0021] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.
[0022] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
[0023] like Figure 1 and Figure 2 This embodiment provides a micro water pump with adjustable flow rate, comprising:
[0024] Pump body 1, the pump body 1 is provided with pumping assembly, the pump body 1 is provided with water inlet joint 10 and water outlet joint 11 to connect pumping assembly, the pump body 1, pumping assembly are all prior art, the working principle and structure of the embodiment are not described, and the internal structure is not shown, the water inlet joint 10 and the water outlet joint 11 of the pump body 1 of the embodiment are all on the same side.
[0025] Further comprising adapter 2, adapter 2 is T-shaped structure, the adapter 2 includes first sub-adapter 20 and second sub-adapter 21, the first sub-adapter 20 is inserted and adapted with water inlet joint 10, the water inlet joint 10, the first sub-adapter 20 and the second sub-adapter 21 are communicated, the second sub-adapter 21 forms water inlet channel 210, the adapter 2 is installed on the water inlet joint 10 by the form of insertion, the water outside is pumped into the inside from the water inlet channel 210 through the second sub-adapter 21 and is finally pumped out from the water outlet joint 11 by generating negative pressure in the pumping assembly.
[0026] The embodiment further comprises piston 3, as Figure 3 , the piston 3 is adjustably arranged in the first sub-adapter 20, the position between the piston 3 and the water inlet channel 210 is adjusted, so that the flow rate of the water entering the water inlet channel 210 from outside is changed, in the embodiment, further, the piston 3 and the adapter 2 are connected through thread 200, the thread 200 is arranged on the inner wall top of the first sub-adapter 20, the piston 3 is not in contact with the water inlet joint 10 in the adjusting stroke, therefore, the plug-in slot 30 can be a straight slot or a cross slot by using a screwdriver, the piston 3 is rotated to adjust the position of the piston 3, because the piston 3 can block part of the outlet of the water inlet channel 210, the stroke distance between the bottom end surface of the piston 3 and the top end surface of the water inlet joint 10 is between 1-5mm, so that the unit flow during water inlet is different, thereby realizing the adjustment of different water flow rates.
[0027] In the embodiment, in order to improve the sealing, at least one sealing ring 31 is sleeved on the piston 3, and the sealing ring 31 is sealingly connected with the inner wall of the first sub-adapter 20.
[0028] The embodiments of the application are described above in combination with the drawings, the embodiments in the application and the features in the embodiments can be combined with each other without conflict, the application is not limited to the above specific embodiments, the above specific embodiments are only illustrative but not limited, and those skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, which all belong to the protection of the application.
Claims
1. A micro water pump with adjustable flow rate, characterized in that, The utility model relates to a water pump, comprising: a pump body, which is internally provided with a water pumping assembly, and is externally provided with a water inlet connector and a water outlet connector connected to the water pumping assembly; a T-shaped adapter, which comprises a first sub-connector and a second sub-connector, the first sub-connector is inserted into the water inlet connector, the water inlet connector, the first sub-connector and the second sub-connector are connected, and a water inlet cavity is formed in the second sub-connector; a piston, which is adjustably arranged in the first sub-connector, the water flow rate entering the water inlet cavity from outside is changed by adjusting the position between the piston and the water inlet cavity.
2. The flow rate adjustable micro water pump according to claim 1, wherein, The piston and the adapter are connected through threads, and the threads are arranged on the inner wall top of the first sub-connector.
3. The flow rate adjustable micropump according to claim 1, wherein At least one sealing ring is sleeved on the piston, and the sealing ring is in sealing connection with the inner wall of the first sub-connector.
4. The flow rate adjustable micropump according to claim 1, wherein An insertion slot is arranged on the top of the piston, and a screwdriver head is matched.
5. The flow rate adjustable micropump according to claim 1, wherein The piston is not in contact with the water inlet connector in the adjusting stroke.
6. The flow rate adjustable micropump according to claim 1, wherein The distance between the bottom end surface of the piston and the top end surface of the water inlet connector is between 1-5 mm.