Sewage treatment facility

Abstract

The present application relates to sewage treatment motor technical field, disclose a kind of sewage treatment mechanism, comprising: pump, pump includes pump body and the impeller being arranged in pump body;And motor, motor includes shell, stator assembly, rotor assembly, cable seal and cable positioning device, cable seal cover is located at the top of shell and is connected by bolt with shell, cable seal is opened with the cable diameter compatible cable passage, cable is passed through cable passage and is located at the top of shell, cable positioning device includes cable positioning piece and support, the first end of support is installed between cable seal and shell and is fixed by bolt, the second end of support is located above cable seal and is fixedly connected with cable positioning piece, cable positioning piece has connection site on it, cable is connected with connection site.The present application can fix cable by cable positioning device cooperates cable seal, prevent power supply cable from being pulled or other objects hindered and separated from motor, cause motor to lose power.

Description

TECHNICAL FIELD

[0001] The present application relates to sewage treatment motor technology field, especially sewage treatment mechanism. BACKGROUND

[0002] The sewage and dirt submersible motor is generally used to connect with the sewage pump to form the sewage pump submersible motor to work underwater, mainly conveying urban and rural sewage, excrement or liquid medium containing solid particles such as fiber and paper scraps.

[0003] At present, the submersible motor used by various sewage and dirt submersible pumps adopts a sealed waterproof shell with a certain sealing structure to meet the use conditions of being immersed in water. However, when the submersible motor used for treating sewage works with the sewage pump underwater, the power cable of the motor may be pulled off or disconnected due to the water flow driving other objects to produce obstacles, causing the motor to be powered off, and even causing the water to enter the motor body and be damaged. SUMMARY

[0004] The purpose of the present application is to design a sewage treatment mechanism with a motor cable positioning device to prevent the power cable of the submersible motor from being disconnected from the motor.

[0005] In order to achieve the above purpose, the present application provides a sewage treatment mechanism, comprising:

[0006] a pump comprising a pump body and an impeller arranged in the pump body; and

[0007] a motor comprising a shell, a stator assembly, a rotor assembly, a cable sealing element and a cable positioning device, the shell being hollow, the bottom of the shell being connected to the pump body, the rotor assembly being rotatably connected in the shell, the stator assembly being fixed in the shell and being annularly arranged outside the periphery of the rotor assembly, the stator assembly being connected with a cable, the rotor assembly being capable of rotating relative to the stator assembly, the rotor assembly comprising a rotating shaft, the lower end of the rotating shaft penetrating through the bottom of the shell and being connected to the impeller, the cable sealing element being arranged on the top of the shell and being fixedly connected to the shell by bolts, the cable sealing element being provided with a cable passage with a diameter matching that of the cable, the cable penetrating through the cable passage and being arranged on the top of the shell, the cable positioning device comprising a cable positioning element and a bracket, the first end of the bracket being mounted between the cable sealing element and the shell and being fixed by the bolts, the second end of the bracket being located above the cable sealing element and being fixedly connected to the cable positioning element, the cable positioning element being provided with a connecting site, and the cable being connected to the connecting site.

[0008] Preferably, the cable sealing member is provided with a first threaded hole located at the periphery of the cable channel, the first end of the support is provided with a second threaded hole, and the top of the shell is provided with a threaded groove, and the bolt is fixed through the first threaded hole, the second threaded hole and the threaded groove in sequence.

[0009] Preferably, the cable positioning member has at least two or more connecting positions.

[0010] Preferably, the cable positioning member is disc-shaped, and the cable is wound around the periphery of the cable positioning member.

[0011] Preferably, the cable positioning device includes four cable positioning members, and the supports of the two adjacent cable positioning members are arranged at an interval of 90 degrees with the center axis of the cable channel as the center.

[0012] Preferably, the distance between each connecting position on the cable positioning member and the center of the cable positioning member is the same.

[0013] Preferably, the center connecting line of each connecting position on the cable positioning member is parallel to the center axis of the cable channel or forms an included angle of 5-20 degrees.

[0014] Preferably, the radius of the cable positioning member is greater than 1.2 times the radius of the cable.

[0015] Preferably, the distance between the bottom of the cable positioning member and the top of the cable sealing member is 2-8 cm.

[0016] Preferably, the connecting position is a connecting hole provided on the cable positioning member, and the cable and the connecting hole are connected by a cable tie.

[0017] Compared with the prior art, the sewage treatment mechanism of the embodiment of the present application has the following beneficial effects:

[0018] The sewage treatment mechanism of the embodiment of the present application can fix the cable through the cable positioning device and the cable sealing member, prevent the power supply cable from being separated from the motor due to pulling or being blocked by other objects, cause the motor to lose power, and prevent the cable from being damaged to cause sealing failure when the cable swings. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the sewage treatment mechanism of the embodiment of the present application;

[0020] Figure 2 is Figure 1 is an enlarged schematic view of position A in FIG.

[0021] In the figure, 1, pump; 11, pump body; 12, impeller; 2, motor; 3, shell; 31, threaded groove; 4, stator assembly; 5, rotor assembly; 51, rotating shaft; 6, cable seal; 61, cable channel; 62, first threaded hole; 7, cable sealing device; 71, cable positioning piece; 711, connecting site; 72, bracket; 721, second threaded hole; 8, cable; 9, bolt. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application will be further described in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present application, but are not used to limit the scope of the present application.

[0023] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicating the orientation or positional relationship in the present application are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0024] In the description of the present application, it should be understood that the terms "connected", "connected", "fixed" and the like in the present application should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be weldedly connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The terms "first", "second" and the like are used to describe various information in the present application, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, the "first" information can also be referred to as "second" information, and similarly, the "second" information can also be referred to as "first" information without departing from the scope of the present application.

[0026] As Figure 1 and Figure 2 shown, a sewage treatment mechanism of the preferred embodiment of the present application comprises:

[0027] The pump 1 comprises a pump 1 body and an impeller 12 arranged in the pump 1 body; and

[0028] The motor 2 comprises a shell 3, a stator assembly 4, a rotor assembly 5, a cable 8 sealing element 6 and a cable 8 positioning device, the shell 3 is hollow, the bottom of the shell 3 is connected with the pump 1 body, the rotor assembly 5 is rotationally connected in the shell 3, the stator assembly 4 is fixed in the shell 3 and annularly arranged outside the periphery of the rotor assembly 5, the stator assembly 4 is connected with the cable 8, the rotor assembly 5 can rotate relative to the stator assembly 4, the rotor assembly 5 comprises a rotating shaft 51, the lower end of the rotating shaft 51 penetrates through the bottom of the shell 3 and is connected with the impeller 12, the cable 8 sealing element 6 is arranged on the top of the shell 3 and is fixedly connected with the shell 3 through the bolt 9, the cable 8 sealing element 6 is provided with a cable 8 passage 61 with a diameter matched with the cable 8, the cable 8 passes through the cable 8 passage 61 and is arranged on the top of the shell 3, the cable 8 positioning device comprises a cable 8 positioning element 71 and a support 72, the first end of the support 72 is mounted between the cable 8 sealing element 6 and the shell 3 and is fixed through the bolt 9, the second end of the support 72 is located above the cable 8 sealing element 6 and is fixedly connected with the cable 8 positioning element 71, the cable 8 positioning element 71 is provided with a connecting position 711, and the cable 8 is connected with the connecting position 711.

[0029] Further, the cable 8 sealing element 6 is provided with a first threaded hole 62 located outside the periphery of the cable 8 passage 61, the first end of the support 72 is provided with a second threaded hole 721, and the top of the shell 3 is provided with a threaded groove 31, and the bolt 9 is fixed in sequence through the first threaded hole 62, the second threaded hole 721 and the threaded groove 31. The bolt 9 used for fixing the cable 8 sealing element 6 and the shell 3 is used to fix the support 72 at the same time, which simplifies the structure between the support 72 and the shell 3 and is convenient to install.

[0030] Further, the cable 8 positioning element 71 is provided with at least two or more connecting positions 711, which can strengthen the connecting and fixing effect between the cable 8 and the cable 8 positioning element 71.

[0031] Further, the cable 8 positioning element 71 is disc-shaped, and the cable 8 is partially wound around the periphery of the cable 8 positioning element 71, so that the cable 8 and the cable 8 positioning element 71 are flexibly attached, and the cable 8 positioning element 71 can be provided with a groove for abutting against the cable 8.

[0032] Further, four cable 8 positioning devices are included, and the supports 72 of the two cable 8 positioning devices connected with each other are arranged at an interval of 90° with the center axis of the cable 8 passage 61 as the center, so that the connecting positions 711 on the cable 8 positioning elements 71 at different positions provide different direction fastening components for the cable 8, thereby improving the fixing effect of the cable 8.

[0033] Further, the distance between each of the connection sites 711 on the at least one cable 8 positioning member 71 and the center of the cable 8 positioning member 71 is the same, so that the cable 8 is tightly attached to the outer periphery of the cable 8 positioning member 71, and the winding effect is better.

[0034] Further, the center connecting line of each of the connection sites 711 on the at least one cable 8 positioning member 71 is parallel to the central axis of the cable 8 channel 61 or forms an included angle of 5°-20°, so that the cable 8 is provided with fastening components in different directions through the connection sites 711 in different positions, and the cable 8 fixing effect is improved.

[0035] Further, the radius of the at least one cable 8 positioning member 71 is greater than 1.2 times the radius of the cable 8, so as to prevent damage to the cable 8 when the cable 8 is bent.

[0036] Further, the distance between the bottom of the cable 8 positioning member 71 and the top of the cable 8 sealing member 6 is 2-8 cm, so as to prevent the fastening effect from being lost due to too far distance.

[0037] Further, the connection site 711 is a connection hole provided on the cable 8 positioning member 71, and the cable and the connection hole are connected through a cable tie.

[0038] The method for fixing the cable 8 is as follows:

[0039] one cable tie is used to bind the cable 8 after passing through at least one connection hole on one cable 8 positioning member 71; or multiple cable ties are used to independently bind the cable 8 after passing through multiple connection holes on the cable 8 positioning member 71, each cable tie and connection hole being an independent binding path; or one cable tie is used to bind the cable 8 after passing through two connection holes on the cable 8 positioning member 71; or one cable tie is used to bind the cable 8 after passing through three connection holes on the cable 8 positioning member 71; or one cable tie is used to bind the cable 8 after passing through all the connection holes on four cable 8 positioning members 71; or each cable tie corresponds to one cable 8 positioning member 71, and four cable ties are used to independently bind the cable 8.

[0040] In summary, the embodiment of the application provides a sewage treatment mechanism, which can fix the cable 8 through the cable 8 positioning device and the cable 8 sealing member 6, prevent the power supply cable 8 from being separated from the motor 2 due to pulling or other obstacles, cause the motor 2 to lose power, and prevent the cable 8 from being damaged to cause sealing failure when the cable 8 swings; the connection holes on the cable 8 positioning member 71 can be fixed at different stress angles when the cable 8 is fixed, and the cable 8 fixing effect is improved.

[0041] The above merely describes the preferred embodiments of the present application, and it should be pointed out that, for those skilled in the art, several improvements and replacements can be made without departing from the technical principles of the present application, and these improvements and replacements should also be considered as the protection scope of the present application.

Claims

1. A sewage treatment mechanism, characterized by, The utility model relates to a pump and motor combination, comprising: a pump comprising a pump body and an impeller arranged in the pump body; and a motor comprising a shell, a stator assembly, a rotor assembly, a cable sealing element and a cable positioning device, the shell is hollow, the bottom of the shell is connected with the pump body, the rotor assembly is rotationally connected in the shell, the stator assembly is fixed in the shell and annularly arranged outside the rotor assembly, the stator assembly is connected with a cable, the rotor assembly can rotate relative to the stator assembly, the rotor assembly comprises a rotating shaft, the lower end of the rotating shaft passes through the bottom of the shell and is connected with the impeller, the cable sealing element is arranged on the top of the shell and is fixedly connected with the shell through bolts, a cable channel with a diameter matched with the cable is arranged on the cable sealing element, the cable passes through the cable channel and is arranged on the top of the shell, the cable positioning device comprises a cable positioning element and a bracket, the first end of the bracket is mounted between the cable sealing element and the shell and is fixed through the bolts, the second end of the bracket is located above the cable sealing element and is fixedly connected with the cable positioning element, the cable positioning element has a connecting position, and the cable is connected with the connecting position. The cable positioning element has at least two or more connecting positions, the radius of at least one cable positioning element is greater than 1.2 times the radius of the cable, and the center connecting line of each connecting position on the cable positioning element is parallel to the center axis of the cable channel or forms an included angle of 5°-20°. A first threaded hole is arranged on the outer periphery of the cable channel of the cable sealing element, a second threaded hole is arranged on the first end of the bracket, and a threaded groove is arranged on the top of the shell, and the bolts are sequentially fixed through the first threaded hole, the second threaded hole and the threaded groove.

2. The sewage treatment mechanism according to claim 1, characterized in that, The cable positioning element is disc-shaped, and the cable is partially wound around the outer periphery of the cable positioning element.

3. The sewage treatment mechanism according to claim 2, characterized in that, Four cable positioning devices are arranged, and the brackets of two connected cable positioning devices are arranged at an interval of 90° with the center axis of the cable channel as the center.

4. The sewage treatment mechanism according to claim 3, characterized in that, The distance between each connecting position on at least one cable positioning element and the center of the cable positioning element is the same.

5. The sewage treatment mechanism according to any one of claims 1 to 4, characterized in that, The distance between the bottom of the cable positioning element and the top of the cable sealing element is 2-8 cm.

6. The sewage treatment mechanism according to any one of claims 1 to 4, characterized in that, The connecting position is a connecting hole arranged on the cable positioning element, and the cable and the connecting hole are connected through a cable tie.

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