Liquid drive components

Abstract

A liquid drive assembly comprises: a housing having an opening and a chamber therein, the housing having an inlet and an outlet, the inlet and outlet respectively connected to the chamber; a pump located in the chamber for drawing a working fluid from the inlet and pumping the working fluid out of the outlet; a sealing cover coupled to the housing and sealing the chamber; and a pre-opening / closing assembly having an outer cover adjacent to the opening of the housing and configured to be in an open or closed state relative to the opening. The present invention allows the space through which the working fluid flows to remain sealed, detecting an opening / closing signal to stop or start driving the working fluid flow, thereby ensuring that the working fluid does not splash.

Description

Technical Field

[0001] The present invention relates to a liquid driving component, in particular to a liquid driving component capable of driving a working fluid to flow so as to cool a heat source. Background Art

[0002] Please refer to Figure 1 , which is a liquid drive assembly 9 disclosed in the applicant's Taiwan Patent Application No. 110127920. The liquid drive assembly 9 comprises a housing 91, a drainage portion 92, a drive portion 93, and a cover plate 94. The housing 91 has an opening 911 communicating with the interior, an inlet portion 912, and an outlet portion 913. The drainage portion 92 and the drive portion 93 can be placed into the housing 91 through the opening 911. The cover plate 94 is detachably coupled to the housing 91 to close the opening 911. When the drive portion 93 is in operation, it draws working fluid from the inlet portion 912 through the drainage portion 92 and then discharges the working fluid to the outlet portion 913 through the drainage portion 92. In addition, the liquid drive assembly 9 may also have a sensor 95 electrically connected to a power supply 96, and the power supply 96 is further electrically connected to the drive unit 93. The sensor 95 can be installed in the housing 91 and used to sense whether the cover 94 closes the opening 911. In this way, if the sensing result of the sensor 95 is no, the power supply 96 to the drive unit 93 is disconnected, so that the drive unit 93 can automatically stop driving the flow of working fluid when the cover 94 is opened. This has the effect of reducing the loss of working fluid caused by splashing and improving operational convenience. In addition, it can also avoid the influence of current or voltage surges. When the electronic device is continuously operating, it supports the "hot plug" function to improve user convenience.

[0003] However, in the aforementioned liquid drive assembly 9, the sensor 95 is triggered when the cover 94 is nearly closed but not yet completely closed, resulting in the drive unit 93 not accurately starting to operate after the cover 94 is closed. Similarly, the sensor 95 is not triggered until the cover 94 is slightly open, thereby disconnecting the power supply unit 96 from the drive unit 93, resulting in the drive unit 93 not accurately stopping operation before the cover is opened. Therefore, the liquid drive assembly 9 still suffers from small amounts of working fluid splashing during use, and improvement is necessary. Summary of the Invention

[0004] To solve the above problems, the present invention aims to provide a liquid driving assembly that can detect an opening and closing signal to stop or start driving the flow of the working fluid while maintaining a sealed space for the working fluid, thereby preventing the working fluid from splashing.

[0005] A further object of the present invention is to provide a liquid drive assembly that can improve operational convenience.

[0006] The directions or their approximate terms described throughout the present invention, such as "front", "back", "left", "right", "upper (top)", "lower (bottom)", "inner", "outer", "side", etc., are mainly with reference to the directions of the accompanying drawings. Each direction or its approximate terms are only used to assist in explaining and understanding the various embodiments of the present invention and are not intended to limit the present invention.

[0007] The quantifiers “a” or “an” used in the elements and components described throughout the present invention are only for convenience and to provide a general meaning of the scope of the present invention; they should be interpreted in the present invention as including one or at least one, and the single concept also includes the plural case, unless it is obvious that it means otherwise.

[0008] The similar terms such as "combination", "assembly" or "assembly" described throughout the present invention mainly include forms in which the components can be separated without damaging them after connection, or in which the components cannot be separated after connection. Those skilled in the art can choose according to the materials of the components to be connected or the assembly requirements.

[0009] The liquid drive assembly of the present invention includes: a housing having an opening and a chamber therein, the housing having an inlet and an outlet, the inlet and outlet respectively connected to the chamber; a pump located in the chamber for drawing a working fluid from the inlet and pumping the working fluid out of the outlet; a sealing cover coupled to the housing and sealing the chamber; and a pre-opening / closing assembly having an outer cover adjacent to the opening of the housing and forming an open state or a closed state relative to the opening.

[0010] The liquid drive component may also include an electronic control module, which may have a power supply unit, which is electrically connected to a sensor and the pump. The sensor is used to sense whether the pre-opening and closing component is in the closed state or the open state. When the pre-opening and closing component is in the closed state, the power supply unit supplies power to the pump. When the pre-opening and closing component is in the open state, the power supply unit cuts off power to the pump.

[0011] Thus, the liquid drive assembly of the present invention can trigger the electronic control module to switch the power supply state of the pump according to the opening and closing signals by operating the pre-opening and closing components, so as to stop or start driving the flow of the working fluid. Therefore, the sealing cover can still maintain the sealing of the space for the circulation of the working fluid after the pump stops operating, and can seal the space for the circulation of the working fluid before the pump starts operating, thereby ensuring that the working fluid will not splash during the replacement of the pump.

[0012] The sensor can be triggered by the outer cover, so that the sensor can be triggered accurately when the outer cover is opened or closed, which has the effect of reducing the sensor's false positive rate.

[0013] The power supply unit can be located on the outer cover, and the sealing cover can have a power transmission port. When the outer cover is closed, the power supply unit can connect to and conduct electricity through the power transmission port, and the power transmission port can transmit power to the pump. This facilitates the arrangement of power transmission structures, thereby improving manufacturing and assembly convenience.

[0014] The pre-opening / closing assembly may include an elastic pressing member. The outer cover and the elastic pressing member may be pivotally connected to the housing base. When the pre-opening / closing assembly is in the closed position, the elastic pressing member may press against the outer cover. This elastic pressing member maintains the outer cover firmly against the sealing cover, preventing the pump from cessation due to accidental opening of the outer cover, thereby enhancing the stability of the connection.

[0015] The sensor can be triggered by the elastic pressing member. In this way, the sensor can be triggered before opening the outer cover or after closing the outer cover, so that the effect of cutting off the power supply to the pump in advance or delaying the power supply to the pump can be more obvious.

[0016] The housing base may have two opposing pivotal portions, the outer cover being pivotally connected to one of the pivotal portions, the elastic pressing member may be pivotally connected to the other pivotal portion by one pivotal section, the elastic pressing member may have a retaining section connected to the pivotal section, and the housing base may extend outside the pivotal portion for pivoting the outer cover to form a lug, with the retaining section of the elastic pressing member being retained against the lug. This facilitates operation or fixation of the elastic pressing member, thereby improving operational convenience.

[0017] The pivoting section of the elastic pressing member may partially protrude to form a pressing portion, and the protruding direction of the pressing portion may be the same as the extending direction of the fixing section. When the pre-opening and closing assembly is in the closed state, the pressing portion can press against the outer cover. In this way, the elastic pressing member can press and secure the outer cover with a simple structure, which has the effect of improving the convenience of manufacturing, assembly and operation.

[0018] The sensor may be located on the lug, so that the sensor can be triggered at the first or last step of replacing the pump, thereby making the effect of prematurely powering off the pump or delaying powering on the pump more obvious.

[0019] The power supply unit can be mounted on the housing, the electronic control module can have a first electrical connection port located on the inner wall of the housing and electrically connected to the power supply unit, and the pump can have a second electrical connection port that can be connected and electrically connected to the first electrical connection port. This facilitates the arrangement of power transmission structures, improving manufacturing and assembly convenience.

[0020] At least one rubber ring may be disposed between the sealing cover and the inner wall of the housing. The sealing cover can be pressed against the rubber ring to deform and thereby adhere closely to the inner wall of the housing and seal the chamber. This improves the fluid-tightness between the sealing cover and the housing, ensuring that the working fluid does not leak out of the housing.

[0021] The sealing cover may include an outer flared ring portion connected to the outer periphery of the body, and the rubber ring may be located between an outer circumferential surface of the outer flared ring portion and the inner wall of the housing. This improves the fluid tightness between the sealing cover and the housing, ensuring that the working fluid does not leak out of the housing.

[0022] The sealing cover may include an outwardly flared ring portion connected to the outer periphery of the body, with a bottom surface of the outwardly flared ring portion abutting a shoulder on the inner wall of the housing, and the rubber ring may be positioned between the bottom surface of the outwardly flared ring portion and the shoulder. This improves the fluid-tightness between the sealing cover and the housing, ensuring that the working fluid does not leak out of the housing.

[0023] The sealing cover may include a body, a recessed portion may be located at a top end of the body, and a handle may be connected to the body and span the recessed portion. Thus, a user may insert a finger into the recessed portion and grip the handle to pull the sealing cover out of the housing, or insert the sealing cover into the housing, thereby improving operational convenience.

[0024] The top surface of the handle may be slightly convex, with a most convex portion located in the center of the handle. The pre-opening / closing assembly may press against the most convex portion of the handle when in the closed state. This allows the downward pressure of the pre-opening / closing assembly to be evenly applied to the sealing cover, ensuring that the sealing cover can evenly seal the chamber.

[0025] When the pre-opening and closing assembly is in the closed state, the outer cover can be pressed against the sealing cover. In this way, the sealing cover can be pressed against by a simple structure, which has the effect of improving the convenience of manufacturing, assembly and use.

[0026] A rubber ring may be positioned between the outer cover and the housing base. The rubber ring may be disposed around the opening and deform under pressure when the pre-opening / closing assembly is in the closed state. This ensures that the outer cover is securely pressed against the housing base even if there are some dimensional tolerance issues between the outer cover and the housing base, thereby enhancing the secure connection and preventing leakage.

[0027] The sealing cover and the pump can be integrally connected or combined. This allows the pump to be removed at the same time as the sealing cover, and facilitates establishing a fixed electrical connection between the sealing cover and the pump, thereby improving operational convenience and power supply smoothness. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 : An exploded perspective view of a conventional liquid drive assembly disclosed in Taiwan Patent Application No. 110127920;

[0029] Figure 2 : An exploded perspective view of a first embodiment of the present invention;

[0030] Figure 3 : A top view of a first embodiment of the present invention;

[0031] Figure 4 :along Figure 3 AA line cross-section diagram;

[0032] Figure 5 :along Figure 3 BB line cross-section diagram;

[0033] Figure 6 : A side sectional view of the pre-opening and closing assembly of the first embodiment of the present invention in an open state;

[0034] Figure 7 : An exploded perspective view of a second embodiment of the present invention;

[0035] Figure 8 : A top view of a second embodiment of the present invention;

[0036] Figure 9 : An exploded perspective view of a third embodiment of the present invention;

[0037] Figure 10 : A combined cross-sectional view of the third embodiment of the present invention.

[0038] Description of Reference Numerals

[0039] 1: Housing base; 1a: Bottom plate; 1b: Ring wall; 11: Opening; 12: Inflow portion; 13: Outflow portion; 14: Shoulder; 15: Pivot portion; 16: Lug;

[0040] 2: Pump; 21: Body; 211: Flow channel; 22: Impeller; 23: Second electrical connection port; 24: Housing; 241: Flow channel;

[0041] 3: Sealing cover; 31: Main body; 32: Outer ring; 321: Outer ring surface; 322: Ring bottom surface; 33: Recessed portion; 34: Handle; 35: Power transmission port;

[0042] 4: Pre-opening and closing assembly; 41: Outer cover; 411: Tongue; 42: Elastic buckle; 42a: Pivoting section; 42b: Retaining section; 421: Retaining section; 422: Outer extension;

[0043] 5: electronic control module; 51: power supply; 52: sensor; 53: first electrical connection port;

[0044] P: most protruding part; R: rubber ring; S: chamber; T: top surface; W: inner wall;

[0045] [Existing Technology]

[0046] 9: Liquid drive assembly; 91: Shell; 911: Opening; 912: Inflow; 913: Outflow; 92: Drainage; 93: Drive; 94: Cover; 95: Sensor; 96: Power supply. DETAILED DESCRIPTION

[0047] In order to make the above and other objects, features and advantages of the present invention more obvious and easy to understand, the preferred embodiments of the present invention are listed below and described in detail with reference to the accompanying drawings. In addition, the same reference numerals are used to indicate the same components in different drawings, and their descriptions are omitted.

[0048] Please refer to Figure 2 As shown, it is a first embodiment of the liquid drive component of the present invention, including a housing 1, a pump 2, a sealing cover 3, a pre-opening and closing component 4 and an electronic control module 5. The sealing cover 3 seals the pump 2 in the housing 1, and the pre-opening and closing component 4 is opened or closed, so that the electronic control module 5 can switch the power supply state of the pump 2 accordingly.

[0049] Please refer to Figure 2 、 4 As shown, the housing 1 has an opening 11 and a chamber S inside. The chamber S can accommodate the pump 2, and the housing 1 has an inlet 12 and an outlet 13. The inlet 12 and the outlet 13 are respectively connected to the chamber S, so that the pump 2 can draw a working fluid from the inlet 12 and pump the working fluid out of the outlet 13. The present invention is not limited to the form of the housing 1. For example, the housing 1 of this embodiment can have a bottom plate 1a and a ring wall 1b, the ring wall 1b connected to the bottom plate 1a to form the chamber S, and the opening 11 can be arranged opposite the bottom plate 1a. The inlet 12 and the outlet 13 can be arranged on the ring wall 1b of the housing 1, and can be selected to be arranged on the same side or different sides of the ring wall 1b according to the pipeline configuration requirements. In addition, the inflow portion 12 and the outflow portion 13 of the present embodiment can each be in the form of a joint for connecting, but are not limited to this form. Additionally, the inner wall W of the housing 1 can also form a plurality of shoulders 14 for positioning components placed inside the housing 1.

[0050] The pump 2 of this embodiment may have a body 21 and an impeller 22. The impeller 22 is connected to the body 21 and can be driven to rotate when the stator assembly in the body 21 is powered. The pump 2 of this embodiment may have the lower edge of the body 21 abutting against one of the shoulders 14 of the inner wall W of the housing 1, so that the impeller 22 will not contact the inner wall W and bottom surface of the housing 1 when rotating under the body 21. In addition, please refer to Figure 3 As shown, the body 21 can have a flow channel 211 connected to the inlet portion 12 of the housing 1 to guide the working fluid to the impeller 22, and the space in which the impeller 22 rotates is connected to the outflow portion 13 of the housing 1, so that the working fluid can be driven by the impeller 22 and flow out of the housing 1 through the outflow portion 13.

[0051] Please refer to Figure 2 、 4 As shown, the sealing cover 3 is combined with the housing 1 and is used to seal the chamber S. At least one rubber ring R may be positioned between the sealing cover 3 and the inner wall W of the housing 1. The sealing cover 3 presses against the rubber ring R to deform, thereby sealing against the inner wall W of the housing 1 and sealing the chamber S. In this embodiment, the sealing cover 3 has a main body 31 and may also have an outwardly flared ring portion 32 connected to the outer periphery of the main body 31. When the sealing cover 3 of this embodiment is placed within the housing 1, the bottom end of the main body 31 presses against the top end of the pump body 21, thereby stably securing the pump 2 in a predetermined position within the housing 1. Furthermore, the outwardly flared ring portion 32 abuts against another shoulder 14 of the inner wall W of the housing 1. Thus, the rubber ring R can be located between an outer circumferential surface 321 of the outwardly expanded ring portion 32 and the inner wall W of the housing base 1. Alternatively, the outwardly expanded ring portion 32 can have a bottom surface 322 abutting the shoulder 14, and the rubber ring R can also be optionally located between the bottom surface 322 of the outwardly expanded ring portion 32 and the shoulder 14. Preferably, at least one rubber ring R is located in each of the aforementioned two locations to further enhance the liquid-tightness between the sealing cover 3 and the housing base 1.

[0052] Please refer to Figure 2 、 5As shown, the sealing cover 3 of this embodiment may also have a recessed portion 33 and a handle 34. The recessed portion 33 is located approximately at the center of the top of the body 31. The handle 34 may be connected to the body 31 and span the recessed portion 33, allowing a user to insert a finger into the recessed portion 33 and grasp the handle 34 to pull the sealing cover 3 out of the housing 1, or to grasp the handle 34 to insert the sealing cover 3 into the housing 1. The top surface T of the handle 34 may also be slightly convex, such as a convex arc, with a most convex portion P at the center. In this way, when the pre-opening and closing assembly 4 is in the closed state, it can press downward against the most convex portion P of the handle 34, so that downward pressure can be evenly applied to the sealing cover 3, thereby improving the uniformity of the sealing cover 3 in sealing the chamber S.

[0053] The pre-opening and closing component 4 is adjacent to the opening 11 of the housing 1 and can be in an open state or a closed state relative to the opening 11. The pre-opening and closing component 4 of this embodiment can have an outer cover 41, which is pivotally connected to the housing 1. When the pre-opening and closing component 4 is in the closed state (such as Figure 5 As shown), the outer cover 41 can cover the opening 11 and press against the sealing cover 3. In order to ensure that the outer cover 41 can actually press against the shell base 1 and enhance the leak-proof effect, a rubber ring R can be provided between the outer cover 41 and the top surface of the shell base 1. The rubber ring R can be provided around the opening 11. The rubber ring R is deformed by pressure when the pre-opening and closing component 4 is in the closed state. In order to facilitate maintaining the state in which the outer cover 41 presses against the sealing cover 3, the pre-opening and closing component 4 of this embodiment can also have an elastic pressing member 42. The elastic pressing member 42 can also be pivotally connected to the shell base 1; please refer to Figure 4 As shown, when the pre-opening and closing assembly 4 is in the closed state, the elastic pressing member 42 can be pressed against the outer cover 41, so that the outer cover 41 is kept pressed against the sealing cover 3. It is worth mentioning that in other embodiments, if the outer cover 41 can be kept pressed against the sealing cover 3 when it is closed, the pre-opening and closing assembly 4 may not need to be provided with the elastic pressing member 42.

[0054] Please refer to Figure 2 、 3As shown, the present invention does not limit the form of the elastic pressing fastener 42; for example, the elastic pressing fastener 42 of this embodiment may have a pivoting section 42a connected to a fixing section 42b, and the pivoting section 42a and the fixing section 42b may together form an L-shaped structure. The shell base 1 may have two opposing pivoting portions 15, one of which is for the outer cover 41 to pivot, and the other pivoting portion 15 is for the pivoting section 42a of the elastic pressing fastener 42 to pivot, and the shell base 1 may also extend outside the pivoting portion 15 for the outer cover 41 to pivot to form a lug 16. On the other hand, the elastic pressing fastener 42 may make the pivoting section 42a partially protrude to form a pressing portion 421, and the protruding direction of the pressing portion 421 is the same as the extending direction of the fixing section 42b. In this way, when the pre-opening and closing component 4 is in the open state, the fixing section 42b and the pressing portion 421 of the elastic pressing fastener 42 may be as shown. Figure 2 and the pre-opening and closing component 4 is in the closed state, the elastic pressing member 42 of the solid section 42b and the pressing portion 421 can be as Figure 3 As shown, the elastic fastener 42 is in a flat inverted shape, with the pressing portion 421 pressing against a tongue portion 411 of the outer cover 41, and the fixing section 42b is substantially opposite to the outside of the housing 1 and elastically deforms to fix against the lower edge of the lug 16 of the housing 1. Alternatively, the elastic fastener 42 may further include an outer extension 422 at the free end of the fixing section 42b to facilitate user pressing. In this embodiment, the outer extension 422 is hook-shaped, but the present invention is not limited thereto.

[0055] Please refer to Figure 2 、 5 As shown, the electronic control module 5 includes a power supply 51 that is directly or indirectly electrically connected to a sensor 52 and the pump 2. The sensor 52 is used to sense whether the pre-opening / closing component 4 is closed or open. When the pre-opening / closing component 4 is closed, the power supply 51 supplies power to the pump 2; when the pre-opening / closing component 4 is open, the power supply 51 cuts off power to the pump 2. By switching the power supply 51 to the pump 2 based on the sensing result of the sensor 52, the electrical connection between the pump 2 and the power supply 51 can be avoided, which could cause current or voltage surges and damage to the electronic device's electrical module.

[0056] For example, but not limitation, when the power supply 51 is located within the outer cover 41, power must be transmitted through the sealing cover 3 and then to the pump 2. For example, the power supply 51 may be a plurality of contacts located on the inner surface of the outer cover 41, which can be electrically connected to an external power source. The top surface of the sealing cover 3 is further provided with a power transmission port 35. When the outer cover 41 is closed, the power supply 51 can connect to and conduct electricity to the power transmission port 35. Furthermore, since the sealing cover 3 and the pump 2 of this embodiment are separable components, a separate structure for transmitting power between the sealing cover 3 and the pump 2 is required. For example, power can be transmitted through the aforementioned contact conduction method, or through the plug-in connection of male and female connectors, etc., and the present invention is not limited thereto.

[0057] The sensor 52 can be, for example, a micro switch, a photo interrupter, or a proximity switch. In this embodiment, the sensor 52 can be mounted on the top edge of the surrounding wall 1b of the housing 1. The sensor 52 can be triggered by the outer cover 41 to detect whether the outer cover 41 is opened or closed, thereby enabling the power supply 51 to power on or off the pump 2.

[0058] Please refer to Figure 3 、 5 As shown, when the pre-opening and closing component 4 is in the closed state, the power supply portion 51 will supply power to the pump 2, and the operation of the pump 2 can enable the working fluid to flow from the inlet portion 12 into the chamber S, and then flow out of the housing 1 through the outflow portion 13, so that the working fluid circulates continuously.

[0059] Please refer to Figure 3 As shown, when the pump 2 needs to be replaced due to a malfunction (e.g., failure to operate or excessive noise during operation), the user can press the outer extension 422 of the elastic pressing member 42 to elastically deform the retaining section 42b of the elastic pressing member 42 to separate from the lower edge of the lug 16 of the housing 1. Figure 2 As shown, the elastic pressing member 42 is pivoted so that the abutting section 42b and the pressing portion 421 of the elastic pressing member 42 are formed into a standing shape; in this way, the pressing portion 421 of the elastic pressing member 42 will no longer press against the tongue 411 of the outer cover 41, so that the outer cover 41 can be pivoted relative to the shell base 1 without being restricted by the elastic pressing member 42.

[0060] Please refer to Figure 6As shown, during the pivoting and opening of the outer cover 41, the sensor 52 may be triggered, causing the power supply 51 to cut off power to the pump 2, causing the pump 2 to stop driving the working fluid. Therefore, because the sealing cover 3 maintains its seal around the chamber S even after the pump 2 stops operating, the pre-opening / closing assembly 4 does not spill working fluid during the transition from the closed state to the open state. The user can then remove the sealing cover 3 and the pump 2 to be replaced from the housing 1 and insert and assemble the new pump 2.

[0061] Please refer to Figure 5 As shown, after the new pump 2 is installed into the chamber S of the housing 1, the sealing cover 3 is then assembled into the housing 1 at a predetermined position to reseal the chamber S. At this point, the pre-opening / closing assembly 4 is still open, so the power supply 51 does not supply power to the pump 2. It is not until the outer cover 41 is pivoted relative to the housing 1 to a nearly closed or completely closed position that the sensor 52 is triggered again, causing the power supply 51 to begin supplying power to the pump 2 to drive the working fluid. Thus, because the sealing cover 3 has already sealed the chamber S before the pump 2 begins operation, it ensures that there will be no splashing and loss of working fluid during the replacement of the pump 2.

[0062] Please refer to Figure 7 、 8 As shown, it is a second embodiment of the liquid drive component of the present invention. The second embodiment of the present invention is substantially the same as the first embodiment described above, with the main difference being that the sensor 52 is triggered by the elastic pressing member 42 rather than by the outer cover 41 in this embodiment.

[0063] Specifically, in this embodiment, the sensor 52 can be optionally disposed on the lug 16 of the housing 1 so that the sensor 52 is triggered whenever the abutting section 42b of the elastic pressing member 42 abuts against or leaves the lug 16. In other words, the sensor 52 is triggered only during the first or last step of replacing the pump 2, making it more effective to prematurely power off or delay powering on the pump 2. The sensor 52 can also be used to check whether the elastic pressing member 42 is securely installed. If it is not securely installed, power cannot be supplied to the pump 2. In other embodiments, the sensor 52 can be triggered by other locations on the elastic pressing member 42. Those skilled in the art can modify this according to usage requirements and are not limited to the form disclosed in the accompanying drawings of the present invention. On the other hand, in this embodiment, the sealing cap 3 and the pump 2 can be integrally connected or combined so that the pump 2 can be removed together with the sealing cap 3. This also makes it easier to establish a fixed electrical connection between the sealing cap 3 and the pump 2, thereby reducing the probability of electrical connection errors.

[0064] Please refer to Figure 9、 10 , which is a third embodiment of the liquid drive assembly of the present invention. The third embodiment of the present invention is substantially the same as the first embodiment described above, with the main difference being that the power supply portion 51 is disposed on the housing 1 in this embodiment.

[0065] Specifically, the power supply 51 can be located on the annular wall 1b of the housing 1, for example, mounted together with the sensor 52 at the top edge of the annular wall 1b. The electronic control module 5 can also have a first electrical connection port 53 located on the inner wall W of the housing 1 and electrically connected to the power supply 51. The pump 2 can have a second electrical connection port 23. After the pump 2 is placed within the housing 1, the second electrical connection port 23 can connect and conduct electricity with the first electrical connection port 53, allowing the power supply 51 to indirectly power the pump 2 through the first and second electrical connection ports 53 and 23.

[0066] In this embodiment, the pump 2 may also have a housing 24, which may be integrally connected to the main body 31 of the sealing cover 3. The housing 21 and the impeller 22 are housed within the housing 24. The housing 24 may also have two flow channels 241, one end of each flow channel 241 connecting to the space within the housing 24 for the impeller 22 to rotate, and the other end connecting to the exterior of the housing 24. When the pump 2 is placed within the housing base 1, the two flow channels 241 can respectively connect to the inlet 12 and outlet 13 of the housing base 1. Furthermore, the second electrical connection port 23 may be optionally provided on the outer surface of the housing 24 to connect and conduct electricity with the first electrical connection port 53.

[0067] On the other hand, the outer cover 41 of this embodiment can press against the sealing cover 3 when closed, and the sensor 52 can be triggered by the tongue 411 of the outer cover 41. Therefore, the middle part of the outer cover 41 can be hollowed out to save material and reduce the weight of the entire liquid drive assembly.

[0068] It is worth mentioning that the present invention does not limit the electronic control module 5 and the pump 2 to be matched in the forms disclosed in the aforementioned embodiments; for example, the electronic control module 5 of the aforementioned first embodiment can also be matched with the pump 2 of the aforementioned second embodiment, or the pump 2 of the aforementioned first and second embodiments can also be matched with the electronic control module 5 of the aforementioned third embodiment, etc. Various application forms can be modified by those skilled in the art according to usage requirements and are not limited to the forms disclosed in the drawings of the present invention.

[0069] In summary, the liquid drive assembly of the present invention can trigger the electronic control module to switch the power supply state of the pump according to the opening and closing signals by operating the pre-opening and closing components to stop or start driving the flow of the working fluid. Therefore, the sealing cover can maintain the sealing of the space for the circulation of the working fluid after the pump stops operating, and can seal the space for the circulation of the working fluid before the pump starts operating, thereby ensuring that the working fluid will not splash during the replacement of the pump.

[0070] Although the present invention has been described using the preferred embodiments described above, they are not intended to limit the present invention. Any person skilled in the art may make various modifications and variations to the above embodiments without departing from the spirit and scope of the present invention, and such modifications and variations are still within the technical scope protected by the present invention. Therefore, the scope of protection of the present invention shall be determined by the claims. Furthermore, if the above embodiments can be combined, the present invention includes any combination of such embodiments.

Claims

1. A liquid drive assembly, characterized in that: It includes: A housing seat has an opening and an internal chamber, wherein the housing seat has an inlet portion and an outlet portion, wherein the inlet portion and the outlet portion are respectively connected to the chamber; a pump, located in the chamber, for drawing a working fluid from the inlet portion and pumping the working fluid out of the outlet portion; a sealing cover, combined with the housing base and closing the chamber, the sealing cover being removable from the housing base; and a pre-opening and closing assembly having an outer cover adjacent to the opening of the housing and forming an open state or a closed state relative to the opening; and An electronic control module has a power supply unit, which is electrically connected to a sensor and the pump. The sensor is used to sense whether the pre-opening and closing component is in the closed state or the open state. When the pre-opening and closing component is in the closed state, the power supply unit supplies power to the pump. When the pre-opening and closing component is in the open state, the power supply unit cuts off power to the pump.

2. The liquid drive assembly according to claim 1, wherein The sensor is triggered by the outer cover.

3. The liquid drive assembly according to claim 1, wherein: The power supply part is arranged on the outer cover. The sealing cover has an electric transmission port. When the outer cover is closed, the power supply part is connected to and conducts the electric transmission port, and the electric transmission port transmits electricity to the pump.

4. The liquid drive assembly according to claim 1, wherein The pre-opening and closing component has an elastic pressing fastener. The outer cover and the elastic pressing fastener are respectively pivotally connected to the shell base. When the pre-opening and closing component is in a closed state, the elastic pressing fastener presses against the outer cover.

5. The liquid drive assembly according to claim 4, wherein: The sensor is triggered by the elastic pressing member.

6. The liquid drive assembly according to claim 4, wherein: The shell base has two opposite pivotal parts, the outer cover is pivotally connected to one of the pivotal parts, the elastic pressing part is pivotally connected to the other pivotal part by one pivotal section, and the elastic pressing part has a fixing section connected to the pivotal section. The shell base extends outside the pivotal part for the outer cover to be pivoted to form a lug, and the fixing section of the elastic pressing part is fixed to the lug.

7. The liquid drive assembly according to claim 6, wherein: The pivoting section of the elastic pressing fastener partially protrudes to form a pressing portion, and the protruding direction of the pressing portion is the same as the extending direction of the fixing section. When the pre-opening and closing component is in a closed state, the pressing portion presses against the outer cover.

8. The liquid drive assembly according to claim 6, wherein: The sensor is arranged on the lug.

9. The liquid drive assembly according to claim 1, wherein: The power supply is arranged on the housing. The electric control module has a first electrical connection port located on the inner wall of the housing and electrically connected to the power supply. The pump has a second electrical connection port connected and conducted with the first electrical connection port.

10. The liquid drive assembly according to claim 1, wherein: At least one rubber ring is provided between the sealing cover and the inner wall of the shell base. The sealing cover is pressed against the rubber ring to deform so as to be in close contact with the inner wall of the shell base and to seal the chamber.

11. The liquid drive assembly according to claim 10, wherein: The sealing cover has an outwardly expanded ring portion connected to the outer periphery of a main body, and the rubber ring is located between an outer circumferential surface of the outwardly expanded ring portion and the inner wall of the shell seat.

12. The liquid drive assembly according to claim 10, wherein: The sealing cover has an outwardly expanding ring portion connected to the outer periphery of a main body. The outwardly expanding ring portion has a ring bottom surface abutting against a shoulder of the inner wall of the shell seat. The rubber ring is located between the ring bottom surface of the outwardly expanding ring portion and the shoulder.

13. The liquid drive assembly of claim 1, wherein: The sealing cover comprises a body, a recessed portion located at the top end of the body, and a handle connected to the body and spanning the recessed portion.

14. The liquid drive assembly according to claim 13, wherein: The top surface of the handle is convex, and a most protruding portion is provided at the center of the handle. When the pre-opening and closing component is in a closed state, it presses against the most protruding portion of the handle.

15. The liquid drive assembly according to claim 1, wherein: When the pre-opening and closing component is in a closed state, the outer cover presses against the sealing cover.

16. The liquid drive assembly according to claim 1, wherein: A rubber ring is provided between the outer cover and the shell base. The rubber ring is arranged around the opening and deformed under pressure when the pre-opening and closing component is in a closed state.

17. The liquid drive assembly according to any one of claims 1 to 16, wherein: The sealing cover is integrally connected to or combined with the pump.

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