Breast pump main machine shell and breast pump

Abstract

The breast pump main machine shell comprises a lower shell body and an upper shell body, the upper shell body comprises a cover plate covering an opening in the top of the lower shell body and an installation base fixed to the top of the cover plate, the top of the installation base extends in the circumferential direction of the installation base, and a circle of limiting clamping base is formed on the peripheral edge of the top of the installation base. The top of the mounting base is covered with an upper end cover, a circuit board is mounted between the mounting base and the upper end cover, and the touch panel is fixed to the top of the upper end cover; a touch switch is arranged on one side of the upper surface of the circuit board, a switch limiting structure opposite to the touch switch is formed on the limiting clamping base, and a switch key used for pressing the touch switch is connected to the switch limiting structure. According to the scheme, the switch limiting structure is used for guiding the switch key to press the touch switch towards the correct direction, and hard limiting is carried out on the pressing stroke of the switch key, so that the situation that the touch switch is damaged due to overlarge pressing force is completely avoided, and meanwhile, the sealing performance of the touch switch is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a breast pump field especially relates to a breast pump host casing and breast pump. BACKGROUND

[0002] In the existing breast pump product, the shell is usually provided with a tactile switch and a corresponding key structure, and the tactile switch is triggered by pressing the key to realize the start-stop control of the equipment. However, the traditional design has the following technical defects: first, there is no effective limiting protection mechanism between the key and the tactile switch, when the user applies excessive pressing force due to nervous operation or improper force control, the internal spring sheet of the tactile switch is easily deformed or even damaged, which significantly reduces the service life of the switch; second, the assembly gap between the conventional key and the shell is large, which cannot form effective sealing, and cannot effectively prevent liquid and dust from entering during use, which may cause switch contact oxidation, circuit short circuit and other faults. In some existing technologies, spring is added to realize operation force buffering protection, such as the breast pump provided by the utility model patents with the authorization announcement numbers CN216366131U and CN217091610U, the switch and other functional keys are arranged on the control panel, and elastic elements (spring or spring sheet) are arranged on the switch and other functional keys, which can provide a certain buffering protection during key pressing, but the problem of cooperative design of key stroke control and overpressure protection has not been fundamentally solved. In addition, since the breast pump is usually used in dark and private scenes, the key should be distinguished from other functional keys to realize functional partitioning, and the breast pump shell should be provided with a lamp bead for easy operation. Therefore, there is an urgent need for a breast pump shell structure that can realize operation force buffering protection and easy operation. UTILITY MODEL CONTENTS

[0003] Therefore, in order to solve the above problems, the utility model provides a breast pump host casing and a breast pump.

[0004] The utility model is realized through the following technical schemes:

[0005] The application discloses a breast pump main shell, which comprises a lower shell for placing a pump body and an upper shell mounted on the top of the lower shell, wherein the upper shell comprises a cover plate covering the top opening of the lower shell and a mounting seat for mounting a touch panel fixed on the top of the cover plate, the top of the mounting seat extends along the circumference thereof, and a limiting clamping seat is formed on the top outer peripheral edge of the mounting seat; an upper end cover is covered on the top of the mounting seat, a circuit board is mounted between the mounting seat and the upper end cover, and the touch panel is fixed on the top of the upper end cover; a light touch switch is arranged on one side of the upper surface of the circuit board, a switch limiting structure is formed on the limiting clamping seat and faces the light touch switch, a switch button for pressing the light touch switch is connected to the switch limiting structure, the switch limiting structure comprises a limiting groove, a limiting hole is arranged on the side of the limiting groove close to the light touch switch, a pressing part is outwardly protruded on the outer side surface of the switch button, a touch part is further formed on the inner side surface of the switch button and faces the limiting hole, and a limiting rib is further formed in the limiting groove and is located on both sides of the limiting hole and protrudes towards the switch button; and the protruding height of the limiting rib is smaller than that of the touch part.

[0006] Preferably, the switch limiting structure further comprises a guide block vertically arranged on the lower surface of the limiting groove, and the bottom of the switch button is formed with a guide groove matched with the guide block.

[0007] Preferably, the limiting clamping seat is embedded in the inside of the upper end cover, the outer side surface of the limiting clamping seat is attached to the inner side surface of the upper end cover, a through hole is formed on the side surface of the upper end cover for avoiding the pressing part, the pressing part passes through the through hole and extends to the outside of the upper end cover.

[0008] Preferably, a first screw column is vertically arranged in the inside of the mounting seat, a first screw hole corresponding to the first screw column is arranged on the circuit board, the first screw hole and the first screw column corresponding thereto are fixed through a screw, a second screw hole is further arranged on the circuit board, and a second screw column corresponding to the second screw hole is formed on the bottom of the upper end cover, the second screw hole and the second screw column corresponding thereto are fixed through a screw.

[0009] Preferably, a first clamping groove is further arranged on the limiting clamping seat, and a first clamping buckle matched with the first clamping groove is arranged on the inner side surface of the upper end cover.

[0010] Preferably, the mounting seat is a light-transmitting shell, a lamp bead is arranged on the edge of the lower surface of the circuit board and corresponds to the top extension of the mounting seat.

[0011] Preferably, the top of the mounting base is further provided with a handle, which is arranged on the side opposite to the switch limiting mechanism.

[0012] Preferably, the top of the cover plate is provided with a mounting groove matching the shape of the bottom of the mounting base, and the inner wall of the mounting groove is provided with a second buckle, and the bottom of the mounting base is provided with a second clamping groove matching the second buckle.

[0013] Preferably, the circuit board is further provided with a plurality of function buttons, the upper end cover is provided with a relief hole on the top of each function button, and the relief hole is provided with an elastic member, and the touch panel is provided with a touch button corresponding to each elastic member.

[0014] The breast pump comprises the breast pump main shell as any one of the above.

[0015] The beneficial effects of the technical scheme of the utility model mainly include:

[0016] 1. The switch limiting structure is arranged on the limiting clamping base and faces the light touch switch, and the switch button is connected to the switch limiting structure, the guide block in the switch limiting structure guides the switch button to press the light touch switch in the correct direction, and the limiting ribs on both sides of the limiting hole hard-limit the pressing stroke of the switch button, so that the damage of the light touch switch caused by excessive pressing force is completely avoided, and the sealing performance of the light touch switch is realized by arranging the switch button on the outer side of the light touch switch, which is beneficial to waterproof and dustproof.

[0017] 2. The light touch switch and the switch button for opening / closing the breast pump are arranged on the side surface of the upper shell, so as to be distinguished from other functional buttons arranged on the top of the upper shell, functional areas are realized, and the operator can easily find the switch button during use; in some embodiments, the lamp bead is arranged in the upper shell, and the lamp bead can be turned on after the breast pump main machine is turned on, so as to facilitate the operator to perform the breast pumping operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is an explosion view of the breast pump main shell;

[0019] Figure 2 is an explosion view of the upper shell of the breast pump main shell in the first perspective;

[0020] Figure 3 is an explosion view of the upper shell of the breast pump main shell in the second perspective;

[0021] Figure 4 is a top view of the upper shell of the breast pump main shell;

[0022] Figure 5This is a first schematic diagram (sectional view) showing the assembly state of the mounting base, circuit board, top cover, and touch panel.

[0023] Figure 6 This is a second schematic diagram showing the assembly state of the mounting base, circuit board, top cover, and touch panel;

[0024] Figure 7 This is the third schematic diagram showing the assembly state of the mounting base, circuit board, top cover, and touch panel. Detailed Implementation

[0025] To make the objectives, advantages, and features of this utility model clearer and more detailed, the following non-limiting description of preferred embodiments will be illustrated and explained. These embodiments are merely typical examples of applying the technical solutions of this utility model; any technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of protection claimed by this utility model.

[0026] It should also be stated that, in the description of the solution, the terms "center", "upper", "lower", "left", "right", "front", "rear", "inner", "outer", etc., 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 description and simplification, and 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. Therefore, they should not be construed as limitations on this utility model.

[0027] Furthermore, the terms "first" and "second" in this solution are used for descriptive purposes only and should not be construed as indicating or implying a ranking of importance, or implicitly specifying the number of technical features shown. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0028] This utility model discloses a breast pump main unit housing, such as Figures 1-3 As shown, the device includes a lower housing 1 for housing the pump body and an upper housing mounted on top of the lower housing 1. The upper housing includes a cover plate 2 covering the top opening of the lower housing 1 and a mounting base 3 fixed to the top of the cover plate 2 for mounting a touch panel 7. The top of the mounting base 3 extends circumferentially and a limiting seat 301 is formed at the outer peripheral edge of its top. The top of the mounting base 3 is covered by an upper end cover 8, and a circuit board 4 is installed between the mounting base 3 and the upper end cover 8. The circuit board 4 is used to arrange various components and circuits for realizing the operation of the breast pump. The touch panel 7 is fixed to the top of the upper end cover 8 and is used to display working information and facilitate the operator to select functions.

[0029] likeFigures 4-7 As shown, one side of the upper surface of the circuit board 4 is provided with a tactile switch 5, the limiting seat 301 is formed with a switch limiting structure opposite to the tactile switch 5, the switch limiting structure is connected with a switch button 6 for pressing the tactile switch 5, the switch limiting structure comprises a limiting slot 302 for mounting the switch button 6, the limiting slot 302 is provided with a limiting hole 305 near one side of the tactile switch 5, the outer side of the switch button 6 is outwardly protrudingly provided with a pressing part 601, and the inner side is further formed with an inwardly protruding touch part 602, the touch part 602 is opposite to the limiting hole 305, so that the touch part 602 can pass through the limiting hole 305 and contact the tactile switch 5, thereby triggering or disconnecting the tactile switch 5; the limiting slot 302 is further formed with a limiting rib 303, the limiting rib 303 is located on both sides of the limiting hole 305 and protrudes in the direction of the switch button 6, and limits the pressing stroke of the switch button 6, so that the maximum distance of the switch button 6 moving towards the tactile switch 5 remains consistent, avoiding damage to the tactile switch 5 due to excessive pressing force, wherein the protruding height of the reinforcing rib is less than the protruding height of the touch part 602.

[0030] As Figure 6 , Figure 7 shown, in some embodiments, the switch limiting structure further comprises a guide block 304 vertically arranged on the lower surface of the limiting slot 302, the bottom of the switch button 6 is formed with a guide groove 603 matched with the guide block 304, specifically, the width of the guide block 304 matches the width of the guide groove 603, and the guide direction of the guide block 304 is the same as the pressing direction of the switch button 6, so that the switch button 6 is guided by the guide block 304 to approach or move away from the tactile switch 5.

[0031] In some embodiments, the circuit board 4 is further provided with a display panel and a plurality of function buttons (omitted in the figure), the upper end cover 8 is formed with a avoiding hole on the top of each function button, the avoiding hole is formed with an elastic member, and the touch panel 7 is formed with a touch button corresponding to each elastic member, the setting of the elastic member on the function button and the touch button on the touch panel 7 can refer to the prior art, which will not be repeated here.

[0032] As Figure 5As shown in the figure, the mounting seat 3 can be positioned with the upper end cover 8 through the limiting seat 301. In some embodiments, the limiting seat 301 is embedded in the interior of the upper end cover 8, and the outer side of the limiting seat 301 is attached to the inner side of the upper end cover 8. A through hole 17 is formed on the side of the upper end cover 8 for avoiding the pressing part 601. The through hole 17 is arranged opposite to the switch limiting structure. The pressing part 601 is partially protruded and extends to the outer side of the upper end cover 8 after passing through the through hole 17, so as to ensure that the operator touches the switch key 6 from the outer side of the upper end cover 8 and starts or stops the breast pump by pressing the pressing part 601 of the switch key 6.

[0033] As shown in the figure, Figure 2 , Figure 3 On the other hand, the circuit board 4 is installed in the interior of the mounting seat 3, and the outer peripheral shape of the circuit board 4 is preferably matched with the inner peripheral shape of the limiting seat 301, so that the inner side of the limiting seat 301 is attached to the outer peripheral surface of the circuit board 4, thereby realizing the positioning of the circuit board 4 and the mounting seat 3. In an embodiment, a first screw column 11 is vertically arranged in the interior of the mounting seat 3. A first screw hole 12 corresponding to the first screw column 11 is arranged on the circuit board 4. The first screw hole 12 and the first screw column 11 are fixed through a screw. A second screw hole 13 is also arranged on the circuit board 4. A second screw column 14 corresponding to the second screw hole 13 is formed on the bottom of the upper end cover 8. The second screw hole 13 and the second screw column 14 are fixed through a screw. In an embodiment, the cover plate 2 and the lower shell 1 can also be assembled through the cooperation of the screw column and the screw, which is not described here.

[0034] As shown in the figure, Figure 3 , Figure 6 In a preferred embodiment, a first clamping groove 16 is arranged on the limiting seat 301. A first clamping buckle 15 matched with the first clamping groove 16 is arranged on the inner side of the upper end cover 8. When the limiting seat 301 is embedded in the upper end cover 8, the first clamping groove 16 and the first clamping buckle 15 are matched with each other, thereby further improving the tightness of the assembly.

[0035] As shown in the figure, Figure 5As shown, in a preferred embodiment, the mounting base 3 is a light-transmitting shell, the edge of the lower surface of the circuit board 4 is provided with a lamp bead 9, the lamp bead 9 corresponds to the top extension of the mounting base 3 up and down, so as to ensure that the light beam emitted by the lamp bead 9 is transmitted through the light-transmitting mounting base 3 and emitted to the outside, thereby providing a light source in a dark use scenario, further facilitating the use of the operator, and the top extension of the mounting base 3 is further formed with a handle 10, which is arranged on the side opposite to the switch limiting mechanism, so as to avoid the operator from accidentally touching the switch button 6 when grabbing the handle 10.

[0036] In an embodiment, the top of the cover plate 2 is formed with a mounting groove (omitted in the figure) matching the shape of the bottom of the mounting base 3, the inner wall of the mounting groove is formed with a second buckle around, and the bottom of the mounting base 3 is formed with a second clamping groove matching the second buckle, when the mounting base 3 is inserted into the mounting groove, the second buckle and the second clamping groove are matched and locked, and the mounting base 3 and the cover plate 2 are fixed, wherein the mounting base 3 is hollow, and the mounting groove can also be opened, so as to ensure that the lines of the pump body and the battery and other accessories arranged in the lower shell 1 pass through the cover plate 2 and the mounting base 3 and are connected with the components on the circuit board 4, which is prior art and not the focus of the present case, and will not be described here.

[0037] The utility model further discloses a breast pump, the breast pump includes the breast pump host casing as mentioned above.

[0038] The utility model has still various implementation manners, all technical schemes formed by using equivalent transformation or equivalent transformation are all within the protection scope of the utility model.

Claims

1. A breast pump main housing, comprising a lower housing for placing a pump body and an upper housing mounted on the top of the lower housing, the upper housing comprising a cover plate covering the opening on the top of the lower housing and a mounting seat fixed on the top of the cover plate for mounting a touch panel, characterized in that: The top of the mounting seat extends along the circumference thereof and is formed with a limiting seat at the outer circumferential edge of the top thereof, the top of the mounting seat is covered with an upper end cover, a circuit board is mounted between the mounting seat and the upper end cover, and the touch panel is fixed to the top of the upper end cover; one side of the upper surface of the circuit board is provided with a light touch switch, the limiting seat is formed with a switch limiting structure opposite to the light touch switch, the switch limiting structure is connected with a switch key for pressing the light touch switch, the switch limiting structure comprises a limiting groove, one side of the limiting groove close to the light touch switch is provided with a limiting hole, the outer side surface of the switch key is outwardly protrudingly provided with a pressing portion, and the inner side surface thereof is further formed with an inwardly protruding touch portion opposite to the limiting hole, and the limiting groove is further formed with a limiting rib strip, the limiting rib strip is located on both sides of the limiting hole and protrudes towards the direction of the switch key, and the protruding height of the limiting rib strip is less than the protruding height of the touch portion.

2. A breast pump main housing according to claim 1, characterized in that: The switch limiting structure further comprises a guide block vertically arranged on the lower surface of the limiting groove, and the bottom of the switch key is formed with a guide groove matched with the guide block.

3. A breast pump main housing according to claim 2, characterized in that: The limiting seat is embedded in the inside of the upper end cover, and the outer side surface of the limiting seat is attached to the inner side surface of the upper end cover, the side surface of the upper end cover is formed with a through hole for avoiding the pressing portion, the through hole is opposite to the switch limiting structure, the pressing portion passes through the through hole and extends to the outside of the upper end cover.

4. A breast pump main housing according to claim 3, characterized in that: A first screw column is vertically arranged in the inside of the mounting seat, the circuit board is provided with a first screw hole corresponding to the first screw column, and the first screw hole and the first screw column corresponding thereto are fixed by a screw, and the circuit board is further provided with a second screw hole, the bottom of the upper end cover is formed with a second screw column corresponding to the second screw hole, and the second screw hole and the second screw column corresponding thereto are fixed by a screw.

5. A breast pump main housing according to claim 4, characterized in that: The limiting seat is further provided with a first clamping groove, and the inner side surface of the upper end cover is provided with a first clamping buckle matched with the first clamping groove.

6. The breast pump main housing of claim 1, wherein: The mounting seat is a light-transmitting shell, the edge of the lower surface of the circuit board is provided with a lamp bead, and the lamp bead is opposite to the top extension of the mounting seat.

7. A breast pump main housing according to claim 6, characterized in that: The top extension of the mounting seat is further formed with a handle, and the handle is arranged on the side opposite to the switch limiting structure.

8. The breast pump main housing of claim 1, wherein: The top of the cover plate is formed with a mounting groove matched with the shape of the bottom of the mounting seat, the inner wall of the mounting groove is formed with a second clamping buckle around, and the bottom of the mounting seat is formed with a second clamping groove matched with the second clamping buckle.

9. The breast pump main housing of claim 1, wherein: The circuit board is further provided with a plurality of function keys, the upper end cover is formed with an avoiding hole at the top of each function key, the avoiding hole is formed with an elastic member, and the touch panel is formed with a touch key corresponding to each elastic member.

10. A breast pump characterized by: The breast pump main shell comprises the breast pump main shell according to any one of claims 1-9.

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