Vertical float switch

Abstract

The utility model relates to the technical field of floating ball switches for water pumps, in particular to a vertical floating ball switch, which comprises a shell in which a microswitch and a toggle piece are arranged; the floating rod is in sliding connection with the shell, one end of the floating rod is located in the shell, a floating ball is arranged at the other end of the floating rod, and the floating ball can slide up and down along the floating rod; a first magnetic piece is arranged on the shifting piece, a magnetic assembly is arranged at the end, located on the shell, of the floating rod, and the first magnetic piece drives the shifting piece to push a button of the microswitch under the action of the magnetic assembly.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of float ball switches for water pumps, in particular to a vertical float ball switch. BACKGROUND

[0002] At present, most of the water pump industry adopts liquid level float ball switches to control the start and stop of the water pump. The principle of the liquid level float ball switch is that the float ball rises and falls according to the rise and fall of the water level, thereby controlling the action of the micro switch inside the float ball switch, so as to control the start and stop of the water pump, so as to ultimately meet the user's requirement that the water pump can work automatically when no one is looking after. The float ball switch has simple structure, reliable output and low cost, and is widely used in water treatment, clean water pool, sewage pool, liquid chemical raw materials and other places, providing great convenience for the water supply and drainage industry, sewage treatment industry and chemical industry.

[0003] The utility model discloses a mechanical slide and tilt type float switch, including slider, switch, lever, base, float rod, float ball, the float ball is set on the float rod, and can move up and down along the float rod, the upper and lower parts of the float rod are provided with upper stopper and lower stopper respectively, the float ball is located between the upper stopper and the lower stopper, the slider is long strip shape, and can be set up in the base interior and move up and down, the lever can be set up in the base interior and tilt up and down, the top of the float rod is connected with one end of the lever, and the other end of the lever is connected with the slider, and can make the slider move up and down, and at the same time, the slider can drive the switch head of the switch to move, to realize the control to the switch. The mechanical slide and tilt type float switch has good working stability, however, its structure of driving the slider and then the switch by the lever makes the parts in the shell more numerous, and since the lever is horizontally arranged in the interior of the shell, it is necessary to reserve a large space in the interior of the shell to accommodate these parts, which not only makes the shell bulky, but also is inconvenient to move and transport. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies or problems in the prior art, the present disclosure provides a vertical float ball switch with compact structure and stable working.

[0005] The technical scheme adopted by the present disclosure to solve the above technical problems is as follows: a vertical float ball switch, comprising:

[0006] a shell, wherein a micro switch and a lever are arranged in the shell;

[0007] a float rod, which is slidably connected with the shell, one end of the float rod is located in the shell, the other end of the float rod is provided with a float ball, and the float ball can slide up and down along the float rod;

[0008] The first magnetic member is arranged on the knob, and the float rod is provided with a magnetic assembly at one end of the shell.

[0009] As a preferred embodiment, the magnetic assembly comprises a first magnetic member, the side of the first magnetic member close to the magnetic member one is a first side, and the side of the first magnetic member away from the magnetic member one is a second side, the side of the magnetic member one close to the first magnetic member is a first side, and the side of the magnetic member one away from the first magnetic member is a second side, the magnetic pole of the first side of the magnetic member one is opposite to the magnetic pole of the first side of the first magnetic member.

[0010] As a preferred embodiment, the magnetic assembly further comprises a second magnetic member, the distance between the second magnetic member and the micro switch is greater than the distance between the first magnetic member and the micro switch, the first magnetic member is located between the magnetic member one and the second magnetic member, the side of the second magnetic member close to the first magnetic member is a first side, and the side of the second magnetic member away from the first magnetic member is a second side, the magnetic pole of the first side of the second magnetic member is the same as the magnetic pole of the second side of the first magnetic member.

[0011] As a preferred embodiment, the shell is provided with a first support, the first support is provided with a first accommodating groove and a second accommodating groove, the knob is arranged in the first accommodating groove, and the knob can move in the horizontal direction in the first accommodating groove, and one end of the float rod is slidingly arranged in the second accommodating groove.

[0012] As a preferred embodiment, the float rod comprises a U-shaped portion and a vertical portion located below the U-shaped portion, the magnetic member one and the second magnetic member are arranged on the U-shaped portion, the U-shaped portion is slidingly arranged in the second accommodating groove, one end of the vertical portion is connected with the U-shaped portion, and the float ball is slidingly arranged on the vertical portion.

[0013] As a preferred embodiment, the middle part of the float ball is provided with a connecting hole for the float rod to pass through, the vertical portion is provided with a positioning block, the positioning block is located below the float ball, the size of the positioning block is greater than the size of the connecting hole, and the positioning block is used to limit the lowest height of the float ball moving downward on the float rod; the vertical portion is further provided with a first limiting block, the size of the first limiting block is greater than the size of the connecting hole, and the first limiting block is used to limit the highest height of the float ball moving upward on the float rod.

[0014] As a preferred embodiment, the second accommodating groove is provided with a limiting pin, the float rod is provided with a second limiting block, and the limiting pin and the second limiting block cooperate to limit the lowest height of the float rod moving downward.

[0015] As a preferred embodiment, the shell is further provided with a second support, the second support is arranged at the side edge of the first support, the micro switch is arranged on the second support, and the button of the micro switch faces the first support.

[0016] In a preferred embodiment, the second bracket is provided with at least one limiting claw, which is used to fix the micro switch on the second bracket.

[0017] In a preferred embodiment, the float is provided with a plurality of positioning protrusions evenly distributed along its length, and there is a gap between the positioning protrusions and the wall of the connecting hole. The positioning protrusions are used to limit the height of the positioning block on the float.

[0018] In a preferred embodiment, the housing includes an upper housing and a lower housing, which are welded together by ultrasonic welding.

[0019] Compared with existing products, this application sets a first magnetic element on the toggle member and a magnetic component on the float rod. The first magnetic element drives the toggle member to push the button of the micro switch to control the micro switch to work under the action of the magnetic component. The structure is simple and the operation is reliable. The toggle member of this application can directly contact the micro switch, which is more compact and saves more space than the structure of the toggle rod driving the slider and then driving the micro switch in the prior art. Attached Figure Description

[0020] The present application will be described in further detail below with reference to the accompanying drawings and preferred embodiments. However, those skilled in the art will understand that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be construed as limiting the scope of the present application. Furthermore, unless specifically indicated, the drawings are only schematic representations of the composition or structure of the described objects and may contain exaggerated depictions, and the drawings are not necessarily drawn to scale.

[0021] Figure 1 This is one of the structural schematic diagrams of a vertical float switch disclosed herein;

[0022] Figure 2 This is a cross-sectional view of a vertical float switch disclosed herein;

[0023] Figure 3 This is a public announcement Figure 2 A magnified view of a section at point A in the middle;

[0024] Figure 4 This is a public announcement Figure 2 A magnified view of a section at point B in the middle;

[0025] Figure 5 This is the second schematic diagram of a vertical float switch disclosed herein;

[0026] Figure 6 This is the third schematic diagram of a vertical float switch disclosed herein;

[0027] Figure 7 This is a public announcement Figure 6A local enlarged view at C;

[0028] Figure 8 Fig. 1 is a structural schematic diagram of the toggle of the present disclosure.

[0029] Legend of reference signs:

[0030] 1, housing; 2, float rod; 3, float ball; 5, toggle; 6, first magnetic part; 7, cable; 8, compression nut; 9, magnetic part one; 10, magnetic part two; 11, micro switch; 12, first limit stop; 13, second limit stop; 14, limit pin; 15, positioning block; 16, positioning protrusion; 17, first support; 18, second support; 19, limit claw; 20, transverse part; 21, longitudinal part; 22, first mounting hole; 23, button. DETAILED DESCRIPTION

[0031] In order for those skilled in the art to better understand the technical solutions of the present disclosure, the present disclosure is described in detail, clearly and completely in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present disclosure and do not limit the present disclosure.

[0032] Those skilled in the art should understand that in the disclosure of the present utility model, the orientations or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms cannot be understood as limiting the present utility model.

[0033] Please refer to Figures 1-3 As shown in the drawings, the present application provides a vertical float ball switch, which comprises: a housing 1, the housing 1 is provided with a micro switch 11 and a toggle 5; a float rod 2, the float rod 2 is slidably connected with the housing 1, one end of the float rod 2 is located in the housing 1, the other end of the float rod 2 is provided with a float ball 3, the float ball 3 can slide up and down along the float rod 2; the toggle 5 is provided with a first magnetic part 6, one end of the float rod 2 located in the housing 1 is provided with a magnetic assembly, the first magnetic part 6 drives the toggle 5 to push the button 23 of the micro switch 11 under the action of the magnetic assembly. The toggle 5 of the present application can directly contact the micro switch 11, which is more compact and saves more space than the structure in the prior art in which the toggle drives the slider and then drives the micro switch 11.

[0034] Specifically, the magnetic assembly comprises a first magnetic piece 9, the side of the first magnetic piece 9 close to the first magnetic piece 6 is the first side, and the side of the first magnetic piece 9 away from the first magnetic piece 6 is the second side, the side of the first magnetic piece 6 close to the first magnetic piece 9 is the first side, and the side of the first magnetic piece 6 away from the first magnetic piece 9 is the second side, the magnetic pole of the first side of the first magnetic piece 9 is opposite to the magnetic pole of the first side of the first magnetic piece 6. The magnetic assembly further comprises a second magnetic piece 10, the distance between the second magnetic piece 10 and the micro switch 11 is greater than the distance between the first magnetic piece 9 and the micro switch 11, that is, the micro switch 11 is located on one side of the first magnetic piece 9, the first magnetic piece 6 is located between the first magnetic piece 9 and the second magnetic piece 10, the side of the second magnetic piece 10 close to the first magnetic piece 6 is the first side, and the side of the second magnetic piece 10 away from the first magnetic piece 6 is the second side, the magnetic pole of the first side of the second magnetic piece 10 is the same as the magnetic pole of the second side of the first magnetic piece 6. It can be understood that the "first side" and "second side" described in this paragraph refer to the left and right sides. The first magnetic piece 6, the first magnetic piece 9 and the second magnetic piece 10 are all magnets. Under the attraction of the first magnetic piece 9 and the repulsion of the second magnetic piece 10, the first magnetic piece 6 drives the actuator 5 to move towards the micro switch 11, and finally pushes the button 23 of the micro switch 11, so as to control the operation of the water pump. The arrangement of the second magnetic piece 10 makes the first magnetic piece 6 not only subject to the attraction of the first magnetic piece 9 to move the actuator 5 in the direction of the micro switch 11, but also subject to the repulsion of the second magnetic piece 10 to move the actuator 5 in the direction of the micro switch 11, that is, the first magnetic piece 6 under the joint action of the first magnetic piece 9 and the second magnetic piece 10 drives the actuator 5 to push the button 23 of the micro switch 11, strengthens the pushing force of the actuator 5, and enhances the reliability and sensitivity of the vertical floating ball 3 switch operation of the application.

[0035] As shown in Figure 5 The housing 1 is provided with a first support 17, the first support 17 is provided with a first accommodating groove and a second accommodating groove, the actuator 5 is arranged in the first accommodating groove and can move in the horizontal direction in the first accommodating groove, and one end of the float rod 2 is slidingly arranged in the second accommodating groove. Specifically, the cross section of the actuator 5 is T-shaped, the shape of the first accommodating groove is adapted to the shape of the actuator 5, and the size of the first accommodating groove is greater than the size of the actuator 5, so that the actuator 5 has a certain space for movement in the first accommodating groove, so as to move in the horizontal direction. The first accommodating groove comprises a transverse groove body and a longitudinal groove body, and the button 23 of the micro switch 11 is at least partially located in the transverse groove body. The float rod 2 comprises a U-shaped portion and a vertical portion located below the U-shaped portion, the first magnetic piece 9 and the second magnetic piece 10 are arranged on the U-shaped portion, the U-shaped portion is slidingly arranged in the second accommodating groove, one end of the vertical portion is connected with the U-shaped portion, and the floating ball 3 is slidingly arranged on the vertical portion.

[0036] Please refer to Figure 8As shown, further, the toggle piece 5 comprises an integral transverse portion 20 and a longitudinal portion 21, the transverse portion 20 is located in the transverse slot, the longitudinal portion 21 is located between the magnetic piece one 9 and the magnetic piece two 10. The longitudinal portion 21 is provided with a first mounting hole 22, the first magnetic piece 6 is embedded in the first mounting hole 22, the first magnetic piece 6 is under the joint action of the magnetic piece one 9 and the magnetic piece two 10, the transverse portion 20 of the toggle piece 5 pushes the button 23 of the micro switch 11. The U-shaped portion is provided with a second mounting hole and a third mounting hole, the magnetic piece one 9 is embedded in the second mounting hole, and the magnetic piece two 10 is embedded in the third mounting hole. The first magnetic piece 6, the magnetic piece one 9 and the magnetic piece two 10 are embedded on the toggle piece 5 and the float rod 2 respectively, which further saves the occupied space and improves the compactness of the overall structure.

[0037] In order to reduce the friction between the transverse portion 20 and the transverse slot when the toggle piece 5 moves horizontally, the lower edge of the transverse portion 20 is provided with an arc-shaped structure, and the transverse slot is an arc-shaped slot.

[0038] Please continue to see Figure 2 and Figure 3 As shown, the middle part of the float ball 3 is provided with a connecting hole for the float rod 2 to pass through, and the vertical part is provided with a positioning block 15 located below the float ball 3. It can be understood that the size of the positioning block 15 is larger than that of the connecting hole, so that the positioning block 15 cannot pass through the connecting hole, and the positioning block 15 is used to limit the lowest height of the float ball 3 moving downward on the float rod 2; The vertical part is also provided with a first limiting block 12, the size of the first limiting block 12 is larger than that of the connecting hole, the first limiting block 12 is used to limit the highest height of the float ball 3 moving upward on the float rod 2, that is, the float ball 3 moves up and down along the float rod 2 between the positioning block 15 and the first limiting block 12. It should be noted that the second accommodating groove is provided with a limiting pin 14, and the float rod 2 is provided with a second limiting block 13, the limiting pin 14 and the second limiting block 13 cooperate to limit the lowest height of the float rod 2 moving downward.

[0039] As Figures 5-7 As shown, further, the shell 1 is also provided with a second bracket 18, the second bracket 18 is arranged at the side of the first bracket 17, in order to save space, the second bracket 18 is arranged close to the first bracket 17, the micro switch 11 is arranged on the second bracket 18, and the button 23 of the micro switch 11 faces the first bracket 17. Specifically, the second bracket 18 is provided with two limiting clamps 19, which are used to fix the micro switch 11 on the second bracket 18. The micro switch 11 is connected with the cable 7, and the shell 1 is provided with a through hole for the cable 7 to pass through, and the cable 7 passes through the through hole and is sealed by the rubber sealing block in cooperation with the compression nut 8.

[0040] As Figure 4As shown, in order to conveniently adjust the height of the positioning block 15, the floating rod 2 is provided with a plurality of positioning protrusions 16 which are uniformly arranged along the length direction of the floating rod 2, and there is a gap between the positioning protrusions 16 and the hole wall of the connecting hole, so as to avoid the influence of the positioning protrusions 16 on the up-down movement of the floating ball 3, and the positioning protrusions 16 are used for limiting the height of the positioning block 15 on the floating rod 2. By setting the positioning block 15 as height-adjustable, the height of the lowest water level line during the working of the water pump can be conveniently controlled, and the working of the water pump is more flexible.

[0041] As preferred, the upper shell 1 and the lower shell 1 are welded together by ultrasonic welding, and the first support 17 and the second support 18 are both arranged on the lower shell 1.

[0042] During the working, with the rising of the water level, the floating ball 3 is floated upwards along the floating rod 2 under the action of the water buoyancy, and when the floating ball 3 is floated upwards to the position of the first limiting block 12 and contacts the first limiting block 12, the floating ball 3 drives the floating rod 2 to move upwards along the second accommodating groove, and when the magnetic member one 9 and the magnetic member two 10 are close to the first magnetic member 6, the first magnetic member 6 is driven by the magnetic member one 9 and the magnetic member two 10 to promote the toggle member 5 to push the button 23 of the micro switch 11, and the micro switch 11 is opened; when the water level drops, the floating ball 3 is moved downwards along the floating rod 2, and when the floating ball 3 is moved downwards to the position of the positioning block 15 and contacts the positioning block 15, the floating ball 3 drives the floating rod 2 to move downwards along the second accommodating groove, the magnetic member one 9 and the magnetic member two 10 are gradually away from the first magnetic member 6, the acting force of the magnetic member one 9 and the magnetic member two 10 on the first magnetic member 6 is gradually reduced, and until the button 23 of the micro switch 11 is reset under the internal elastic force of the micro switch 11, the micro switch 11 is closed, so as to realize the control of the water level.

[0043] The above has carried on the detailed introduction to the present application, the principle and the implementation mode of the present application are described by applying the specific examples in this paper, and the above embodiment is only used for helping understanding the present application and the core idea. It should be pointed out that, for ordinary skilled person in the art, without departing from the principle of the present application, the present application can be improved and modified, and these improvements and modifications also fall within the protection scope of the present application.

Claims

1. A vertical float switch characterized by, The utility model relates to a kind of microswitches, including: Shell (1), microswitch (11) and dial (5) are arranged in the shell (1); Float rod (2), the float rod (2) is slidably connected with shell (1), one end of float rod (2) is located in shell (1), the other end of float rod (2) is provided with float ball (3), the float ball (3) can slide up and down along float rod (2); The dial (5) is provided with first magnetic part (6), one end of float rod (2) is provided with magnetic assembly in shell (1), the first magnetic part (6) is driven dial (5) to push the button (23) of microswitch (11) under the action of magnetic assembly.

2. The vertical float switch according to claim 1, wherein The magnetic assembly includes magnetic piece one (9), the side of magnetic piece one (9) close to first magnetic part (6) is first side, the side of magnetic piece one (9) away from first magnetic part (6) is second side, the side of first magnetic part (6) close to magnetic piece one (9) is first side, the side of first magnetic part (6) away from magnetic piece one (9) is second side, the magnetic pole of the first side of magnetic piece one (9) is opposite the magnetic pole of the first side of first magnetic part (6).

3. The vertical float switch according to claim 2, wherein, The magnetic assembly further includes magnetic piece two (10), the distance of magnetic piece two (10) to microswitch (11) is greater than the distance of magnetic piece one (9) to microswitch (11), the first magnetic part (6) is located between magnetic piece one (9) and magnetic piece two (10), the side of magnetic piece two (10) close to first magnetic part (6) is first side, the side of magnetic piece two (10) away from first magnetic part (6) is second side, the magnetic pole of the first side of magnetic piece two (10) is same with the magnetic pole of the second side of first magnetic part (6).

4. The vertical float switch of claim 3, wherein, Shell (1) is provided with first support (17), the first support (17) is provided with first accommodating groove and second accommodating groove, dial (5) is arranged in first accommodating groove, and dial (5) can move in horizontal direction in first accommodating groove, one end of float rod (2) is slidably arranged in second accommodating groove.

5. The vertical float switch of claim 4, wherein, The float rod (2) includes U-shaped part and vertical part below the U-shaped part, magnetic piece one (9) and magnetic piece two (10) are arranged on the U-shaped part, the U-shaped part is slidably arranged in the second accommodating groove, one end of the vertical part is connected with the U-shaped part, and the float ball (3) is slidably arranged on the vertical part.

6. The vertical float switch of claim 5, wherein, The middle part of float ball (3) is provided with connecting hole for float rod (2) to pass through, the vertical part is provided with positioning block (15), the positioning block (15) is located below the float ball (3), the size of the positioning block (15) is greater than the size of the connecting hole, and the positioning block (15) is used to limit the lowest height of the float ball (3) moving downward on the float rod (2);The vertical part is also provided with first limiting block (12), the size of the first limiting block (12) is greater than the size of the connecting hole, and the first limiting block (12) is used to limit the highest height of the float ball (3) moving upward on the float rod (2).

7. The vertical float switch of claim 4, wherein, The second accommodating groove is provided with limiting pin (14), the float rod (2) is provided with second limiting block (13), and the limiting pin (14) and the second limiting block (13) cooperate to limit the lowest height of the float rod (2) moving downward.

8. The vertical float switch of claim 4, wherein, The shell (1) is further provided with a second support (18) arranged at the side of the first support (17), and the micro switch (11) is arranged on the second support (18), and the button (23) of the micro switch (11) faces the first support (17).

9. The vertical float switch of claim 8, wherein, The second support (18) is provided with at least one limiting clamping jaw (19) for fixing the micro switch (11) on the second support (18).

10. The vertical float switch of claim 6, wherein, The floating rod (2) is provided with a plurality of positioning protrusions (16) arranged uniformly along the length direction of the floating rod (2), and there is a gap between the positioning protrusions (16) and the hole wall of the connecting hole, and the positioning protrusions (16) are used for limiting the height of the positioning block (15) on the floating rod (2).

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