Miniature water pump capable of stopping flow in forward direction and reverse direction
By adding a flow-stopping component to the water pump and utilizing the cooperation of a spring and a diaphragm, a flow-stopping design is achieved when the water pump is working. This solves the backflow problem caused by the water circuit remaining open after the water pump stops, which exists in the prior art, and achieves both forward and reverse flow-stopping effects for the water pump.
Patent Information
- Application Number
- CN202520173755.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-25
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-25
Smart Images
Figure CN223634879U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to water pump technical field especially relates to a positive and reverse flow stopping micro water pump. BACKGROUND
[0002] Water pump is a kind of mechanical energy or other external energy transmission to liquid of prime mover, make liquid energy increase, mainly used to transport liquid including water, oil, acid and alkali liquid, emulsion, suspension emulsion and liquid metal etc., also can transport gas mixture and the liquid of containing suspended solid.
[0003] The existing water pump does not have the flow stopping function, and the internal waterway is still connected after the water pump stops working, and the backflow phenomenon can occur. UTILITY MODEL CONTENTS
[0004] The utility model discloses a positive and reverse flow stopping micro water pump to solve the problems in the background art.
[0005] Therefore, the utility model provides a positive and reverse flow stopping micro water pump, which comprises:
[0006] Water pump, the water pump has water inlet nozzle and water outlet nozzle, the compression cavity is formed in the water pump, and the compression cavity is communicated with the water inlet nozzle;
[0007] Flow stopping assembly, the flow stopping assembly is inserted and fixed on the water inlet nozzle and the water outlet nozzle, the flow stopping assembly is provided with water inlet interface and water outlet interface at both ends, the water inlet nozzle, the water outlet nozzle and the flow stopping assembly are communicated, and the flow stopping assembly further comprises a spring and a diaphragm, the diaphragm is elastically connected to one end in the flow stopping assembly through the spring, when the compression cavity works, negative pressure is generated in the water inlet nozzle to make the diaphragm move to one end, so that the water inlet interface and the water outlet interface are communicated with the waterway formed in the flow stopping assembly, when the water pump does not work, the diaphragm seals the flow stopping assembly, so that the waterway between the water inlet interface and the water outlet interface is not communicated.
[0008] In the utility model, further implementation scheme is that the flow stopping assembly further comprises a first shell and a second shell, one end of the second shell is matched and arranged in the first shell, the diaphragm is connected in the second shell through the spring, the other end of the first shell is the water inlet interface, the other end of the second shell is the water outlet interface, and two joints are arranged on the outer portion of the first shell and are sealingly inserted into the water inlet nozzle and the water outlet nozzle.
[0009] In the utility model, further implementation scheme is that the inner wall of the second shell is provided with a plurality of clamping strips along the center, and the spring is elastically clamped between the clamping strips.
[0010] In the utility model, further implementation scheme is that the second shell is further provided with a through hole on the outer portion, and the through hole is communicated with the joint.
[0011] The utility model discloses, further implementation scheme is, the first casing inner wall still is equipped with limit platform, limit platform can cooperate with diaphragm one end, when water pump works, the negative pressure that generates in compression cavity thus makes diaphragm separate limit platform to make the water inlet and outlet between the interface, when water pump does not work, diaphragm buckling is blocked on limit platform and waterway.
[0012] The utility model discloses, further implementation scheme is, the first casing outside one end is equipped with the positioning groove, the second casing outside is equipped with the positioning block, when the second casing is loaded into the first casing, the positioning block and positioning groove clasp joint cooperation.
[0013] The utility model discloses, further implementation scheme is, the first casing outside one end is equipped with the positioning groove, the second casing outside is equipped with the positioning block, when the second casing is loaded into the first casing, the positioning block and positioning groove clasp joint cooperation.
[0014] By increasing the flow stopping assembly outside the water pump, the spring and the diaphragm are arranged in the flow stopping assembly, when the water pump works, the negative pressure is generated in the internal compression cavity, the diaphragm moves and separates the limit platform, so that the internal waterway is communicated, when the water pump does not work, the diaphragm resets and is tightly attached on the limit platform and cuts off the waterway, so as to play the flow stopping effect. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structural schematic diagram of the utility model;
[0016] Figure 2 It is the explosion structural schematic of the utility model Figure One ;
[0017] Figure 3 It is the explosion structural schematic of the utility model Figure Two . 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 merely for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. For the purpose of description, the sizes of the various parts shown in the drawings are not drawn in proportion to the actual proportions. The techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limiting. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
[0020] It should be noted that the terms "first", "second", and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a particular order or sequence. It should be understood that the data used in this way can be interchanged, so that the embodiments of the present application can be implemented in an order other than that illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally a class, and do not limit the number of objects, for example, the first object can be one or more. In addition, the "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the associated objects before and after are in an "or" relationship.
[0021] It should be noted that in the description of the present application, the orientation or position relationship indicated by the terms such as "front, rear, upper, lower, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" is generally based on the orientation or position relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description. Without the opposite indication, these orientation terms do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation terms "inner, outer" refer to the inner and outer relative to the contour of each component.
[0022] It should be noted that in this application, the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that includes a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent in such process, method, article, or apparatus. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus including the element. In addition, it should be pointed out that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted or combined. In addition, the features described with reference to certain examples can be combined in other examples.
[0023] The embodiment provides a micro water pump capable of forward and reverse flow stopping, comprising:
[0024] A water pump 1, which has a water inlet nozzle 10 and a water outlet nozzle 11, and a compression cavity formed in the water pump 1, the compression cavity being communicated with the water inlet nozzle 10;
[0025] A flow stopping assembly, which is fixedly connected to the water inlet nozzle 10 and the water outlet nozzle 11, and has a water inlet interface 2 and a water outlet interface 3 at two ends, and is communicated with the water inlet nozzle 10 and the water outlet nozzle 11, and further comprises a spring 4 and a diaphragm 5, the diaphragm 5 being elastically connected to one end in the flow stopping assembly through the spring 4, when the compression cavity works, negative pressure is generated in the water inlet nozzle 10, the diaphragm 5 moves to one end, and the water passage formed in the water inlet interface 2 and the water outlet interface 3 is communicated, when the water pump 1 does not work, the diaphragm 5 seals the inside of the flow stopping assembly, and the water passage between the water inlet interface 2 and the water outlet interface 3 is not communicated.
[0026] In the embodiment, further, the flow stopping assembly further comprises a first shell 6 and a second shell 7, the second shell 7 is fitted in the first shell 6 at one end, the diaphragm 5 is connected in the second shell 7 through the spring 4, the first shell 6 has the water inlet interface 2 at the other end, the second shell 7 has the water outlet interface 3 at the other end, and the first shell 6 has two joints on the outside, which are sealingly connected to the water inlet nozzle 10 and the water outlet nozzle 11.
[0027] Further, a plurality of clamping strips 70 are arranged along the center of the inner wall of the second shell 7, and the spring 4 is elastically clamped between the clamping strips 70, so that the diaphragm 5 is attracted to be close to the clamping strips 70 under the action of negative pressure, and at this time, the spring 4 is compressed.
[0028] The second shell 7 is externally provided with a through hole 71, which is communicated with the joint 8.
[0029] In the utility model, the first shell 6 is further provided with a limiting platform 60 on the inner wall, which can be matched with one end of the diaphragm 5, when the water pump 1 works, negative pressure is generated in the compression cavity, so that the diaphragm 5 is separated from the limiting platform 60 to make the water inlet 2 and the water outlet 3 communicated, when the water pump 1 does not work, the diaphragm 5 is reset and buckled on the limiting platform 60 to block the waterway, so that the backflow phenomenon is avoided.
[0030] In addition, the first shell 6 is externally provided with a limiting groove 61 at one end, the second shell 7 is externally provided with a limiting block 72, when the second shell 7 is loaded into the first shell 6, the limiting block 72 is matched with the limiting groove 61, so that the second shell 7 is accurately loaded into the first shell 6.
[0031] The embodiments of the present application are described above in combination with the drawings, the embodiments and the features in the embodiments in the present application can be combined with each other without conflict, the present application is not limited to the above-mentioned specific embodiments, the above-mentioned specific embodiments are only illustrative, but not limited, the ordinary skilled in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, all belong to the protection of the present application.
Claims
1. A micro water pump of forward and reverse flow stoppage, characterized by, The utility model provides a water pump, which comprises: a water pump having a water inlet nozzle and a water outlet nozzle, a compression cavity formed in the water pump, and the compression cavity being communicated with the water inlet nozzle; a flow-stopping assembly fixedly connected to the water inlet nozzle and the water outlet nozzle, the flow-stopping assembly having a water inlet interface and a water outlet interface at two ends, the water inlet nozzle, the water outlet nozzle and the flow-stopping assembly being communicated with each other, the flow-stopping assembly further comprising a spring and a diaphragm, the diaphragm being elastically connected to one end inside the flow-stopping assembly through the spring, when the compression cavity is working, negative pressure is generated in the water inlet nozzle to make the diaphragm move to one end, so that a water passage formed inside the water inlet interface and the water outlet interface is communicated, when the water pump is not working, the diaphragm seals the inside of the flow-stopping assembly, so that the water passage between the water inlet interface and the water outlet interface is not communicated.
2. The micro water pump of claim 1, wherein, The flow-stopping assembly further comprises a first shell and a second shell, one end of the second shell being built-inly fitted into the first shell, the diaphragm being connected to the second shell through the spring, the other end of the first shell being the water inlet interface, the other end of the second shell being the water outlet interface, and the outside of the first shell having two joints sealingly and fixedly connected to the water inlet nozzle and the water outlet nozzle.
3. A micro water pump capable of forward and reverse flow according to claim 2, wherein The inner wall of the second shell is provided with a plurality of clamping strips along the center, and the spring is elastically clamped between the clamping strips.
4. The micro water pump of claim 3, wherein, The second shell is further provided with a through hole on the outside, and the through hole is communicated with the joint.
5. A micro water pump capable of forward and reverse flow according to claim 4, wherein The inner wall of the first shell is further provided with a limiting table, the limiting table being capable of cooperating with one end of the diaphragm, when the water pump is working, negative pressure is generated in the compression cavity to make the diaphragm separate from the limiting table to make the water inlet interface and the water outlet interface communicated, when the water pump is not working, the diaphragm is buckled on the limiting table to block the water passage.
6. A micro water pump capable of forward and reverse flow according to claim 5, wherein One end of the outside of the first shell is provided with a positioning groove, the second shell is provided with a positioning block on the outside, and when the second shell is fitted into the first shell, the positioning block is clamped and matched with the positioning groove.