Pump shell

Abstract

The utility model relates to a pump shell which comprises an upper shell body, a lower shell body, a base, a hook, a cable and a floating ball. The upper shell is detachably connected to the lower shell; the lower shell is detachably connected to the base; a C-shaped groove is formed in the floating ball in the first direction; the hook comprises a wall hanging body, the wall hanging body is connected to the upper shell, a plurality of grooves are formed in the wall hanging body, raised lines are arranged in the grooves, the grooves are evenly distributed in the first direction, at least one of the grooves is located below the C-shaped groove, a protruding block is formed in the wall hanging body in the second direction, and the protruding block is connected into the C-shaped groove in a sliding mode in the first direction; and the cable is arranged in the at least one groove in a penetrating manner. According to the connecting structure, the hook is arranged, the C-shaped groove is formed in the floating ball, the hook is connected into the C-shaped groove in a sliding mode through the protruding block, the multiple grooves are formed in the hook, the protruding strips are formed in the grooves, the cable is arranged in at least one groove in a penetrating mode, the cable is not prone to sliding in the grooves through the protruding strips, and the stability of the connecting structure of the floating ball, the cable and the upper shell is improved.

Description

Technical Field

[0001] The present application relates to the technical field of submersible pumps, and in particular to a pump casing. Background Art

[0002] A submersible pump is a water pump that is used submerged in water. The submersible pump is usually connected to a cable float, and the start and stop of the submersible pump is controlled by the cable float. During the use of the submersible pump, the cable float needs to be placed vertically in the water. When the cable float changes with the liquid level in the water, the start and stop of the submersible pump are controlled.

[0003] The cable float usually consists of a float and a cable. The cable is usually hung on the submersible pump. If the submersible pump needs to be used, the operator will remove the cable in advance and let the float hang naturally.

[0004] However, the structure for hanging cable-type floats on most pump casings is too simple, and the cables are prone to slipping, which can cause the floats to bump against each other, thus reducing their service life. Utility Model Content

[0005] The present application provides a pump casing that makes the connection structure between a cable-type float and the pump casing more stable.

[0006] The present application provides a pump casing adopting the following technical solution:

[0007] A pump casing comprises an upper casing, a lower casing, a base, a hook, a cable and a float; the upper casing is detachably connected to the lower casing; the lower casing is detachably connected to the base; the float is provided with a C-shaped groove along the first direction; the hook comprises a hanging wall body, the hanging wall body is connected to the upper casing, and a plurality of grooves are formed thereon, and convex strips are arranged in the grooves, the plurality of the grooves are evenly distributed along the first direction, at least one of the plurality of the grooves is located below the C-shaped groove, the plurality of the grooves penetrate the hanging wall body along a second direction perpendicular to the first direction, the hanging wall body is provided with a convex block along the second direction, and the convex block is slidably connected to the C-shaped groove along the first direction; the cable is passed through at least one of the grooves, one end of the cable is connected to the upper casing, and the other end is connected to the float.

[0008] Preferably, the upper shell is connected to a handle; the handle includes a first connecting portion, a gripping portion and a second connecting portion; the first connecting portion is connected to the top of the upper shell, extends in the first direction, and is connected to the side of the hook away from the groove; the gripping portion is connected to the first connecting portion at one end and to the second connecting portion at the other end; the second connecting portion is connected to the top of the upper shell and forms an acute angle with the gripping portion.

[0009] Preferably, the gripping portion has a side close to the upper shell body having an arc-shaped strip structure, and a side away from the upper shell body having an arc-shaped groove structure.

[0010] Preferably, it also includes a water outlet pipe; the water outlet pipe is detachably connected to the lower shell; the upper shell is formed with a power connection column and a float connection column, and the power connection column and the float connection column are adjacent to the handle and located on the side of the handle away from the water outlet pipe.

[0011] Preferably, the base includes a seat body and a water inlet channel, the water inlet channel is opened in the middle of the seat body, the water inlet end of the water inlet channel is located below the water outlet, a plurality of stop strips are circumferentially arranged on the water inlet channel, and a water outlet is formed between two adjacent stop strips.

[0012] Preferably, the base includes a slide; the slide is arranged on the seat body along a first circumferential direction, the first end of the slide is flush with the water outlet end of the water inlet channel, and the second end is higher than the first end, the slide is connected to the water outlet pipe, and the water outlet pipe is close to the second end of the slide.

[0013] Preferably, the base includes a baffle; the baffle is disposed around the base and connected to the slide.

[0014] Preferably, a first water storage space and a second water storage space are formed between the baffle, the base and the lower shell, and the first water storage space, the second water storage space and the water inlet channel are interconnected; the second water storage space is located on the periphery of the first water storage space, and the size of the second water storage space gradually decreases along the first circumferential direction.

[0015] In summary, the present application includes at least one of the following beneficial technical effects:

[0016] 1. The present application provides a hook on the upper shell, the hook is formed with a protrusion, a C-shaped groove is opened on the float, the hook is slidably connected in the C-shaped groove along a first direction, the protrusion is snapped into the C-shaped groove, so that the float is stably connected to the upper shell, the hook is also provided with a plurality of grooves, a convex strip is formed in the groove, at least one groove is located below the C-shaped groove, the cable is passed through at least one groove, the convex strip makes it difficult for the cable to slide in the groove, thereby achieving the fixation of the cable.

[0017] 2. The present application provides a handle, which includes a first connecting portion, a gripping portion and a second connecting portion. The gripping portion is provided with an arc-shaped strip structure on one side close to the top of the upper shell and an arc-shaped groove structure on the side away from the top of the upper shell, so that it is easy to hold.

[0018] 3. The present application arranges a slide and a baffle on the base, and the slide is connected to the water outlet pipe, so that water flows into the water outlet pipe under the guidance of the slide, and the baffle, the base and the lower shell form a first water storage space and a second water storage space that are interconnected, so that water that does not enter the water outlet pipe flows back to the first water storage space through the second water storage space, thereby improving the efficiency of water extraction. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a preferred embodiment of the present application.

[0020] Figure 2 This is a schematic diagram of the structure of the upper shell in the preferred embodiment of the present application. Figure 1 .

[0021] Figure 3 This is a schematic diagram of the structure of the upper shell in the preferred embodiment of the present application. Figure 2 .

[0022] Figure 4 It is a partial enlarged view of a preferred embodiment of the present application.

[0023] Figure 5 It is a schematic diagram of the structure of the float in the preferred embodiment of the present application.

[0024] Figure 6 It is a structural schematic diagram of the base in a preferred embodiment of the present application.

[0025] Figure 7 It is a cross-sectional view of the base in a preferred embodiment of the present application.

[0026] Explanation of the accompanying drawings: 1. Upper shell; 11. Handle; 111. First connecting part; 112. Second connecting part; 113. Grip; 12. Power connecting column; 13. Float connecting column; 2. Hook; 21. Wall hanging body; 22. Groove; 221. Raised strip; 23. Bump; 3. Float; 31. C-shaped groove; 4. Cable; 5. Lower shell; 6. Base; 61. Seat body; 62. Water inlet channel; 621. Stop strip; 622. Water outlet; 63. Slide; 64. Baffle; 7. Water outlet pipe; 8. First water storage space; 9. Second water storage space. DETAILED DESCRIPTION

[0027] The present application is further described in detail below in conjunction with the accompanying drawings.

[0028] like Figures 1 to 7 As shown, the present application provides a pump casing, including an upper casing 1, a lower casing 5, a base 6, a hook 2, a cable 4, a float 3 and a water outlet pipe 7.

[0029] The upper shell 1 is detachably connected to the lower shell 5, the top of the upper shell 1 is connected with a handle 11, and is formed with a power connection column 12 and a float connection column 13, the hook 2 includes a wall hanging body 21, the wall hanging body 21 is connected to the upper shell 1, the lower shell 5 is detachably connected to the base 6, the water outlet pipe 7 is detachably connected to the lower shell 5, and the base 6 is detachably connected to the lower shell 5.

[0030] A first screw hole is provided on the upper shell 1, and a second screw hole is provided on the lower shell 5. The upper shell 1 and the lower shell 5 are connected by a first screw passing through the first screw hole and the second screw hole. The upper shell 1, the handle 11, the power connection column 12 and the float connection column 13 are integrally injection molded, and the handle 11, the power connection column 12 and the float connection column 13 are located at the top of the upper shell 1.

[0031] like Figure 2 As shown, the handle 11 includes a first connecting portion 111, a gripping portion 113 and a second connecting portion 112. The first connecting portion 111 is connected to the top of the upper shell 1 and extends in a first direction, and the first direction is the direction from the top to the bottom of the upper shell 1. The first connecting portion 111 is connected to the side of the hook 2 away from the groove 22. The first connecting portion 111 is provided with a plurality of through grooves. One end of the gripping portion 113 is connected to the first connecting portion 111, and the other end is connected to the second connecting portion 112. The side of the gripping portion 113 close to the upper shell 1 is an arc-shaped strip structure, and the side away from the upper shell 1 is an arc-shaped groove structure. The second connecting portion 112 is connected to the top of the upper shell 1 and forms an acute angle with the gripping portion 113.

[0032] The first connection portion 111 is a first connection plate, the holding portion 113 is a holding plate, and the second connection portion 112 is a second connection plate.

[0033] The power connection column 12 and the float connection column 13 are adjacent to the handle 11 and located on the side of the handle 11 away from the water outlet pipe 7 . The power connection column 12 is used to connect to an external power line, and the float connection column 13 is used to connect to the cable 4 .

[0034] like Figures 2 to 5 As shown, the float 3 is provided with a C-shaped groove 31 along the first direction, and the hook 2 includes a wall body 21, which is connected to the upper shell 1 and formed with a plurality of grooves 22. The grooves 22 are provided with convex strips 221. The plurality of grooves 22 are evenly distributed along the first direction, and at least one of the plurality of grooves 22 is located below the C-shaped groove 31. The plurality of grooves 22 penetrate the wall body 21 along a second direction perpendicular to the first direction, and the wall body 21 is formed with a convex block 23 along the second direction. The convex block 23 is slidably connected in the C-shaped groove 31 along the first direction.

[0035] A third screw hole is provided on the lower shell 5 , and a fourth screw hole is provided on the base 6 . The lower shell 5 and the base 6 are connected by a second screw passing through the third screw hole and the fourth screw hole, and the lower shell 5 is threadedly connected to the water outlet pipe 7 .

[0036] like Figure 6 and Figure 7 As shown, the base 6 includes a base body 61, a water inlet channel 62, a slide 63 and a baffle 64. The water inlet channel 62 is opened in the middle of the base body 61, and the water inlet end of the water inlet channel 62 is located below the water outlet. The water inlet channel 62 is circumferentially provided with a plurality of stop bars 621, and a water through hole 622 is formed between two adjacent stop bars 621. The slide 63 is arranged on the base body 61 along a first circumferential direction, and the first circumferential direction is the flow direction of the water flow in the base 6. The first end of the slide 63 is flush with the water outlet end of the water inlet channel 62, and the second end of the slide 63 is flush with the water outlet end of the water inlet channel 62. The end is higher than the first end, the slide 63 is connected to the water outlet pipe 7, the water outlet pipe 7 is close to the second end of the slide 63, the baffle 64 is surrounded by the base 6 and connected to the slide 63, and a first water storage space 8 and a second water storage space 9 are formed between the baffle 64, the base 6 and the lower shell 5. The first water storage space 8 is used for storing water and installing an impeller. The first water storage space 8, the second water storage space 9 and the water inlet channel 62 are interconnected. The second water storage space 9 is located on the outer periphery of the first water storage space 8, and the size of the second water storage space 9 gradually decreases along the first circumferential direction.

[0037] When water enters the first water storage space 8 through the water inlet channel 62 under the action of the impeller, it flows along the first end of the slide 63 toward the second end of the slide 63 and enters the water outlet pipe 7. The second end can stop a part of the water that does not flow into the water outlet pipe 7 due to the excessively fast flow speed. The water that is not stopped by the second end enters the second water storage space 9, and enters the first water storage space 8 again under the action of the impeller, and the cycle continues.

[0038] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A pump casing, characterized in that: It comprises an upper shell (1), a lower shell (5), a base (6), a hook (2), a cable (4) and a floating ball (3); The upper shell (1) is detachably connected to the lower shell (5); The lower shell (5) is detachably connected to the base (6); The floating ball (3) is provided with a C-shaped groove (31) along a first direction; The hook (2) comprises a wall hanging body (21), the wall hanging body (21) is connected to the upper shell (1) and is formed with a plurality of grooves (22), a convex strip (221) is arranged in the groove (22), the plurality of grooves (22) are evenly distributed along the first direction, at least one of the plurality of grooves (22) is located below the C-shaped groove (31), the plurality of grooves (22) penetrate the wall hanging body (21) along a second direction perpendicular to the first direction, the wall hanging body (21) forms a convex block (23) along the second direction, and the convex block (23) is slidably connected in the C-shaped groove (31) along the first direction; The cable (4) is inserted into at least one of the grooves (22), one end of which is connected to the upper shell (1) and the other end of which is connected to the float (3).

2. A pump casing according to claim 1, characterized in that: The upper shell (1) is connected to a handle (11); The handle (11) comprises a first connecting portion (111), a gripping portion (113) and a second connecting portion (112); The first connecting portion (111) is connected to the top of the upper shell (1), extends toward the first direction, and is connected to a side of the hook (2) facing away from the groove (22); The holding portion (113) has one end connected to the first connecting portion (111) and the other end connected to the second connecting portion (112); The second connecting portion (112) is connected to the top of the upper shell (1) and forms an acute angle with the holding portion (113).

3. A pump casing according to claim 2, characterized in that: The gripping portion (113) has an arc-shaped strip structure on the side close to the upper shell (1), and an arc-shaped groove structure on the side away from the upper shell (1).

4. A pump casing according to claim 2, characterized in that: Also includes a water outlet pipe (7); The water outlet pipe (7) is detachably connected to the lower shell (5); The upper shell (1) is formed with a power connection column (12) and a float connection column (13), and the power connection column (12) and the float connection column (13) are arranged adjacent to the handle (11) and are located on a side of the handle (11) away from the water outlet pipe (7).

5. A pump casing according to claim 4, characterized in that: The base (6) comprises a base body (61) and a water inlet channel (62). The water inlet channel (62) is opened in the middle of the seat body (61), the water inlet end of the water inlet channel (62) is located below the water outlet end, the water inlet channel (62) is circumferentially provided with a plurality of stop bars (621), and a water outlet (622) is formed between two adjacent stop bars (621).

6. A pump casing according to claim 5, characterized in that: The base (6) includes a slideway (63); The slideway (63) is arranged on the seat body (61) along a first circumferential direction, the first end of the slideway (63) is flush with the water outlet end of the water inlet channel (62), the second end of the slideway (63) is higher than the first end, the slideway (63) is connected to the water outlet pipe (7), and the water outlet pipe (7) is close to the second end of the slideway (63).

7. A pump casing according to claim 6, characterized in that: The base (6) includes a baffle (64); The baffle (64) is disposed around the base (6) and connected to the slideway (63).

8. A pump casing according to claim 7, characterized in that: A first water storage space (8) and a second water storage space (9) are formed between the baffle (64), the base (6) and the lower shell (5); the first water storage space (8), the second water storage space (9) and the water inlet channel (62) are connected to each other; The second water storage space is located at the outer periphery of the first water storage space (8), and the size of the second water storage space (9) gradually decreases along the first circumferential direction.

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