Sealing joint and submersible pump with same
By designing a sealing joint and socket structure, the problem of difficult float replacement in submersible pumps was solved, achieving high efficiency and ease of operation for float replacement and simplifying the maintenance process of submersible pumps.
Patent Information
- Application Number
- CN202422998247.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-05
AI Technical Summary
The wiring method between the float and the motor in existing submersible pumps is complicated, making float replacement difficult.
A sealing connector is designed, including a first connector and a second connector, which are electrically connected by conductive pins and conductive terminals. A limiting block and a buckle are set at the connector to ensure stability. An insertion port is provided on the outer shell to facilitate quick connection and separation of the float and the motor.
It achieves high efficiency and ease of operation in float replacement, simplifies the float replacement process, and improves the practicality and maintainability of the equipment.
Smart Images
Figure CN223514265U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of submersible pumps, specifically to a sealing joint and a submersible pump having the same. Background Technology
[0002] Currently, the float on submersible pumps is directly electrically connected to the motor via a cable. When the float is damaged, the entire submersible pump casing needs to be disassembled, and the cable connecting the float and the motor needs to be replaced, which presents a problem of difficulty in replacing the float. Utility Model Content
[0003] The present invention aims to solve the above-mentioned technical problem, namely, the complex wiring method between the float and the submersible pump, which is not conducive to the quick replacement of the float.
[0004] In a first aspect, the present invention provides a sealing connector, comprising: a first connector having at least three conductive pins extending from the top and bottom surfaces of the first connector; a second connector having conductive terminals on its bottom surface adapted to the conductive pins; wherein, a positioning groove is provided on the side of the second connector, and a limiting block adapted to the positioning groove is provided on the top surface of the first connector.
[0005] In the preferred embodiment of the sealing joint described above, the bottom surface of the first joint has at least one snap-fit extending from the periphery of the first joint.
[0006] In the preferred embodiment of the above-mentioned sealing joint, the buckle is made of hard plastic or metal spring.
[0007] In the preferred embodiment of the sealing joint described above, an annular groove is provided on the periphery of the first joint, and a sealing gasket is disposed in the groove.
[0008] In a second aspect, the present invention also provides a submersible pump, the submersible pump including the aforementioned sealing joint; a pump body having at least an outer shell and a motor disposed within the outer shell; wherein the top of the outer shell has a first socket and a second socket, the sealing joint being disposed within both the first socket and the second socket, and the motor being electrically connected to a float and a power line respectively by means of the two sets of sealing joints.
[0009] In the preferred embodiment of the submersible pump described above, the second connector is threadedly connected to the first or second socket by means of a clamping nut.
[0010] In the preferred embodiment of the submersible pump described above, a stepped layer is formed at the bottom of the first and second ports of the outer casing, and the two first connectors are respectively disposed on the stepped layer of the first and second ports.
[0011] In the preferred embodiment of the submersible pump described above, a retaining element is provided on the outer casing, and the float is detachably mounted on the retaining element.
[0012] The beneficial effects of this utility model are: by configuring a first socket on the top of the pump body, and configuring a first connector and a second connector that can be quickly plugged into and unplugged from the first connector in the first socket, the second connector is connected to the float. When the float is damaged, the second connector is separated from the first connector, and the float is replaced and reconnected to the first connector. It has the characteristics of high float replacement efficiency and convenient disassembly and assembly. Attached Figure Description
[0013] Figure 1 This is a first schematic diagram of a sealing joint;
[0014] Figure 2 This is a second schematic diagram of a sealing joint;
[0015] Figure 3 An exploded view of a submersible pump;
[0016] Figure 4 This is a cross-sectional view of a submersible pump.
[0017] Figure 5 This is a diagram showing the connection relationship between the sealing joint and the motor;
[0018] In the figure: First connector 1, limiting block 11, annular groove 12, second connector 2, positioning groove 21, conductive pin 3, conductive terminal 4, buckle 5, sealing gasket 6, pump body 7, outer shell 71, first socket 711, second socket 712, stepped layer 713, motor 72, float 8, power cord 9, clamping nut 10, retaining member 13. Detailed Implementation
[0019] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.
[0020] It should be noted that in the description of this utility model, terms such as "upper," "lower," "left," "right," "front," and "rear," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0021] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "set," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0022] See Figure 1 , Figure 2 The sealing connector of this utility model includes: a first connector 1, which has at least three conductive pins 3 extending from the top and bottom surfaces of the first connector 1; a second connector 2, which has conductive terminals 4 on its bottom surface that are adapted to the conductive pins 3; wherein, a positioning groove 21 is provided on the side of the second connector 2, and a limiting block 11 adapted to the positioning groove 21 is provided on the top surface of the first connector 1.
[0023] See Figure 1 , Figure 2 The first connector 1 has three vertically arranged conductive pins 3, each of which penetrates the first connector 1. The two ends of each conductive pin 3 are located on the top and bottom surfaces of the first connector 1, respectively. The second connector 2 is equipped with "O"-shaped conductive terminals 4 corresponding to the number of conductive pins 3. The conductive pins 3 at the top of the first connector 1 can be inserted into the conductive terminals 4 of the second connector 2.
[0024] See Figure 2 The outer periphery of the second connector 2 is vertically provided with a positioning groove 21, and the top surface of the first connector 1 is provided with a limiting block 11 that is adapted to the size of the positioning groove 21. When the conductive pin 3 of the first connector 1 is inserted into the conductive terminal 4 of the second connector 2, the limiting block 11 on the first connector 1 is located in the positioning groove 21 of the second connector 2, so as to further ensure the stability of the connection between the first connector 1 and the second connector 2.
[0025] In one or more embodiments, the bottom surface of the first connector 1 has at least one snap 5 extending from the circumferential side of the first connector 1; the snap 5 is made of rigid plastic or metal spring.
[0026] See Figure 2 The buckle 5 is roughly in the shape of a "√". At least one buckle 5 is configured on the bottom surface of the first connector 1. In this application, there are three buckles 5, which are evenly arranged around the central axis of the first connector 1. The configuration of the buckles 5 can facilitate the first connector 1 to be snapped onto the tubular workpiece, ensuring the stability of the connection of the first connector 1.
[0027] In one or more embodiments, an annular groove 12 is provided around the side of the first connector 1, and a sealing gasket 6 is disposed in the groove.
[0028] See Figure 2An annular groove 12 is formed on the outer periphery of the first connector 1, and a sealing gasket 6 is disposed in the annular groove 12. The outer periphery of the sealing gasket 6 extends out of the outer periphery of the first connector 1, so that when the first connector 1 is installed in the tubular workpiece, it forms a seal on the internal space of the tubular workpiece, improves the use effect of this application, and has practicality.
[0029] In addition, see Figures 3 to 5 The present invention also provides a submersible pump having a sealing joint as described in any of the above embodiments; a pump body 7 having at least an outer shell 71 and a motor 72 disposed within the outer shell 71; wherein the top of the outer shell 71 has a first socket 711 and a second socket 712, and both the first socket 711 and the second socket 712 are provided with sealing joints, and the motor 72 is electrically connected to the float 8 and the power line 9 respectively by means of the two sets of sealing joints.
[0030] See Figure 3 , Figure 4 The top surface of the outer casing 71 of the pump body 7 has a tubular first inlet 711 and a second inlet 712. A sealing joint is provided in both the first inlet 711 and the second inlet 712. The sealing joint in the first inlet 711 is used to electrically connect the motor 72 and the float 8, and the sealing joint in the second inlet 712 is used to electrically connect the motor 72 and the power line 9.
[0031] Specifically, for ease of description, the two joints of the sealing connector in the first socket 711 are named the first joint 1a and the second joint 2a, respectively; the two joints of the sealing connector in the second socket 712 are named the first joint 1b and the second joint 2b, respectively; the three conductive pins 3 of the first joint 1a are named conductive pin 3a1, conductive pin 3a2 and conductive pin 3a3, respectively; the three conductive pins 3 of the first joint 1b are named conductive pin 3b1, conductive pin 3b2 and conductive pin 3b3, respectively; and the three wires on the motor 72 are named wire body c1, wire body c2 and wire body c3, respectively, wherein wire body c1 is used to connect to the power supply, wire body c2 is connected to the negative terminal of the power supply, and wire body c3 is used for grounding.
[0032] When connecting motor 72 to first connector 1a and first connector 1b, connect wire c1 to conductive pin 3b3 of first connector 1b, connect wire c3 to conductive pin 3b1 of first connector 1b, connect wire c2 to conductive pin 3a2 of first connector 1a, and connect conductive pin 3a3 of first connector 1a to conductive pin 3b2 of second connector 2b.
[0033] When in use, simply connect the power cord 9 to the power supply. When the float 8 fails, remove the second connector 2a inside the first socket 711 of the outer casing 71 and replace the float 8. It features a simple structure, convenient operation, and practicality.
[0034] In one or more embodiments, the second connector 2 is threadedly connected to the first socket 711 or the second socket 712 by means of a clamping nut 10.
[0035] See Figure 3 , Figure 4 The outer casing 71 has threads on the upper interior of both the first socket 711 and the upper interior of both the second socket 712. The second connector 2 inside the first socket 711 is locked in the first socket 711 by means of a clamping nut 10, and the second connector 2 inside the second socket 712 is locked in the second socket 712 by means of a clamping nut 10. When the float 8 fails, the clamping nut 10 inside the first socket 711 is unlocked to separate the second connector 2 from the first connector 1, thus allowing the float 8 to be removed for easy replacement.
[0036] In one or more embodiments, a stepped layer 713 is formed at the bottom of the first socket 711 and the second socket 712 of the outer casing 71, and two first connectors 1 are respectively disposed on the stepped layer 713 of the first socket 711 and the second socket 712.
[0037] See Figure 4 When the two first connectors 1 are placed in the first socket 711 and the second socket 712 respectively, the first connector 1 can be restrained on the stepped layer 713 and will not fall downward. It is also secured to the outer casing 71 by the buckle 5 at the bottom of the first connector 1, thereby fixing the position of the first connector 1 and improving the stability of the connection of the first connector 1. In addition, by configuring a sealing gasket 6 around the outer periphery of the first connector 1, the first socket 711 or the second socket 712 can be sealed when the first connector 1 is fixed in the first socket 711 or the second socket 712. When the second connector 2 is removed, the first socket 711 or the second socket 712 can still be sealed, preventing external moisture from entering the outer casing 71 and damaging the motor 72.
[0038] In one or more embodiments, a retaining member 13 is disposed on the outer casing 71, and the float 8 is detachably disposed on the retaining member 13.
[0039] See Figure 3 , Figure 4 The retaining member 13 is a plate, which is bolted to the outer casing 71. The float 8 is bolted to the retaining member 13. This arrangement allows for a relatively fixed position of the float 8 while enabling a detachable connection between the float 8 and the outer casing 71 of the pump body 7.
[0040] The above embodiments are only for illustrating the technical concept and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it. They cannot be used to limit the protection scope of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the protection scope of this utility model.
Claims
1. A sealing joint, characterized in that, include: The first connector has at least three conductive pins extending from the top and bottom surfaces of the first connector; The second connector has conductive terminals on its bottom surface that are compatible with the conductive pin; The second connector has a positioning groove on its side, and the top surface of the first connector has a limiting block that matches the positioning groove.
2. The sealing joint according to claim 1, characterized in that: The bottom surface of the first connector has at least one snap that extends out of the periphery of the first connector.
3. The sealing joint according to claim 2, characterized in that: The buckle is made of rigid plastic or metal spring.
4. The sealing joint according to claim 1, characterized in that: The first connector has an annular groove on its periphery, and a sealing gasket is disposed in the groove.
5. A submersible pump, characterized in that, include: The sealing joint according to any one of claims 1 to 4; The pump body has at least an outer casing and a motor disposed within the outer casing; The outer casing has a first socket and a second socket on its top. Both the first socket and the second socket are equipped with the sealing joint. The motor is electrically connected to the float and the power line respectively by means of the two sets of sealing joints.
6. The submersible pump according to claim 5, characterized in that: The second connector is threadedly connected to the first or second socket by means of a clamping nut.
7. The submersible pump according to claim 6, characterized in that: The bottom ends of the first and second sockets of the outer casing are formed with stepped layers, and the two first connectors are respectively disposed on the stepped layers of the first and second sockets.
8. The submersible pump according to claim 5, characterized in that: The outer casing is provided with a retaining element, and the float is detachably mounted on the retaining element.