Water pump connecting device

Abstract

The utility model discloses a water pump connecting device which comprises an inner shell, an outer connecting pipe fixedly connected to the interior of the inner shell and an inner connecting pipe connected with the outer connecting pipe through a first positioning assembly. Two positioning blocks are fixedly connected to one opposite end face of the inner shell respectively, and sliding strips are fixedly connected to the other opposite side faces of the inner shell respectively. The first positioning assembly comprises a first shell and a U-shaped frame, two first sliding grooves are formed in the opposite end faces of the first shell respectively, and a positioning sleeve is fixedly connected between the two first sliding grooves. One side surface of the first shell is fixedly connected with two second positioning assemblies; the U-shaped frame sequentially penetrates through the positioning block and the positioning sleeve to reach the position of the second positioning assembly, the U-shaped frame is fixed through the second positioning assembly, and then the first outer shell and the inner shell are fixedly connected. According to the utility model, the inner connecting pipe and the outer connecting pipe can be stably connected, and the inner connecting pipe and the outer connecting pipe are convenient to operate and disassemble when being mounted and connected, so that the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water pumps, in particular to a water pump connecting device. Background Art

[0002] A water pump is a machine commonly used to transport liquids in life. It can transport water, oil, liquid metal, etc. A water pump sucks liquids from low places to high places through pipes, so it is often used as the main machine for farmland irrigation. In addition, water pumps can also pump water from deep wells, so many places also use water pumps to provide drinking water. The water pump pipeline is an important part of the entire pumping system. When installing the inlet and outlet pipes, connecting components are required.

[0003] At present, the most common connection method for water pump pipes is flange connection, which is to fasten the flange and pipe together with bolts. The installation process of flange connection is relatively complicated, and bolts, gaskets, nuts and other accessories are required. During installation, tightening tools are required to tighten the bolts and nuts one by one. When there are many bolts, it is time-consuming and laborious. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a water pump connection device, which enables the connection between the inner pipe and the outer pipe to be stable, and is easy to operate and disassemble when installing and connecting the inner pipe and the outer pipe, thereby greatly improving work efficiency. In order to achieve the above-mentioned purpose and other advantages according to the present invention, a water pump connection device is provided, including:

[0005] An inner shell, an outer tube fixedly connected to the inner shell, and an inner tube connected to the outer tube via a first positioning assembly;

[0006] Two positioning blocks are fixedly connected to one opposite end surface of the inner shell, the positioning blocks on the two opposite end surfaces are arranged one by one, and a slide bar is fixedly connected to the other opposite side surface of the inner shell;

[0007] The first positioning assembly includes a first housing and a U-shaped frame, two first slide grooves are respectively provided on opposite end surfaces of the first housing, and a positioning sleeve is fixedly connected between the two first slide grooves;

[0008] Two second positioning components are fixedly connected to one side surface of the first shell, and the second positioning components are located at the edge of one side surface of the first shell;

[0009] The U-shaped frame sequentially passes through the positioning block and the positioning sleeve to the position of the second positioning assembly, and the U-shaped frame is fixed by the second positioning assembly, thereby making the first outer shell and the inner shell fixedly connected.

[0010] Preferably, the U-shaped frame is a U-shaped structure, and first positioning holes are respectively provided on both ends of the U-shaped frame.

[0011] Preferably, a second positioning hole is formed on the positioning block, and the positioning block corresponds to the first slide groove. When the inner shell and the first outer shell are assembled, the positioning block moves in the first slide groove to the bottom of the first slide groove.

[0012] Preferably, the interior of the positioning sleeve is a hollow structure, and when the positioning block is located at the bottom of the first slide groove, the second positioning hole corresponds to the port of the positioning sleeve.

[0013] Preferably, the second positioning assembly includes a second shell, a positioning plate movably arranged inside the second shell, a shift block fixed to the positioning plate, and a spring fixed to one end of the positioning plate; the second shell is hollow in the middle, and a movable hole is provided on one side of the second shell, and the shift block extends from the movable hole; one end of the spring away from the positioning plate is fixed in the second shell.

[0014] Preferably, one end of the positioning plate extends from the inside of the second housing to the first positioning hole by the action of the spring, and the positioning plate extends from the first positioning hole.

[0015] Compared with the prior art, the utility model has the following beneficial effects: by inserting the external pipe into the first outer shell and connecting it with the internal pipe, the sealing effect between the internal pipe and the external pipe is improved under the connecting action of the sealing ring, and the inner shell and the external pipe are fixed by inserting the two ends of the U-shaped frame into the interior of the positioning sleeve and a pair of positioning blocks in sequence, and the connecting action of the positioning plate is conducive to positioning the U-shaped frame, further improving the connection stability between the internal pipe and the external pipe, and the installation steps are simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the assembly of the water pump connection device according to the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional explosion structure of the water pump connection device according to the utility model;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the positioning plate of the water pump connecting device according to the utility model;

[0019] Figure 4 It is a rear three-dimensional structural schematic diagram of the positioning plate of the water pump connecting device according to the utility model. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Reference Figure 1-4 A water pump connection device comprises: an inner shell 3, an outer tube 4 fixedly connected to the inner shell 3, and an inner tube 2 connected to the outer tube 4 via a first positioning assembly; a sealing ring 6 is fixedly connected to the end surface of the inner tube 2 close to the inner shell 3. The sealing ring 6 is provided to improve the sealing effect between the inner tube 2 and the outer tube 4.

[0022] Two positioning blocks 13 are fixedly connected to opposite end surfaces of the inner shell 3, and the positioning blocks 13 on the two opposite end surfaces are arranged one by one, and a slide bar 16 is fixedly connected to the other opposite side surfaces of the inner shell 3;

[0023] The first positioning assembly includes a first housing 5 and a U-shaped frame 10. Two first slide grooves 8 are respectively formed on opposite end surfaces of the first housing 5. A positioning sleeve 7 is fixedly connected between the two first slide grooves 8.

[0024] Two second positioning components are fixedly connected to one side surface of the first shell 5, and the second positioning components are located at the edge of one side surface of the first shell 5; second slide grooves 11 are respectively opened on the opposite inner side surfaces of the first shell 5, and the second slide grooves 11 match the slide bar 16. When the inner shell 3 is inserted into the first shell 5, the slide bar 16 moves in the second slide groove 11, further making the inner shell 3 fixedly connected to the first shell 5, which is beneficial to improve the connection stability between the inner shell 3 and the first shell 5, prevent the occurrence of deviation, and further improve the stability of the inner pipe 2 and the outer pipe 4 during the installation process.

[0025] The U-shaped frame 10 sequentially passes through the positioning block 13 and the positioning sleeve 7 to the position of the second positioning assembly, and the U-shaped frame 10 is fixed by the second positioning assembly, thereby making the first outer shell 5 and the inner shell 3 fixedly connected. The U-shaped frame 10 is a U-shaped structure, and first positioning holes 9 are respectively provided at both ends of the U-shaped frame 10.

[0026] Specifically, the present application inserts the external pipe 4 into the first shell 5 and connects it to the internal pipe 2. Under the connecting action of the sealing ring 6, it is beneficial to improve the sealing effect between the internal pipe 2 and the external pipe 4. By inserting the two ends of the U-shaped frame 10 into the positioning sleeve 7 and a pair of positioning blocks 13 in turn, the inner shell 3 and the external pipe 4 are fixed. The installation steps are simple, and the connecting action of the positioning plate 15 is beneficial to positioning the U-shaped frame 10, further improving the connection stability between the internal pipe 2 and the external pipe 4.

[0027] Furthermore, a second positioning hole 12 is formed on the positioning block 13, and the positioning block 13 corresponds to the first slide groove 8. When the inner shell 3 is assembled with the first outer shell 5, the positioning block 13 moves to the bottom of the first slide groove 8 in the first slide groove 8, so that the position of the inner shell 3 is limited in the first outer shell 5, and the displacement of the inner shell 3 is avoided.

[0028] Furthermore, the interior of the positioning sleeve 7 is a hollow structure, and when the positioning block 13 is located at the bottom of the first slide groove 8, the second positioning hole 12 corresponds to the end of the positioning sleeve 7. By setting the hollow structure of the positioning sleeve 7, the U-shaped frame 10 can be conveniently passed through the positioning sleeve 7, and the positioning sleeve 7, the positioning block 13 and the positioning plate 15 are in a straight line.

[0029] Further, the second positioning assembly includes a second housing 14, a positioning plate 15 movably disposed inside the second housing 14, a shifting block 18 fixedly connected to the positioning plate 15, and a spring 19 fixedly connected to one end of the positioning plate 15. Two springs 19 are placed inside the second housing 14, and the springs 19 provide a rebound force to the positioning plate 15. The middle of the second housing 14 is hollow, and a moving hole 17 is provided on one side of the second housing 14, and the shifting block 18 extends from the moving hole 17. One end of the spring 19 away from the positioning plate 15 is fixed inside the second housing 14. One end of the positioning plate 15 extends from the inside of the second housing 14 to the first positioning hole 9 by the action of the spring 19, and the positioning plate 15 extends from the first positioning hole 9. When the outer tube 4 is inserted into the first shell 5, the two shift blocks 18 are manually shifted toward each other so that the positioning plate 15 is lower than the plane of the first shell 5. At this time, the U-shaped frame 10 is successively passed through the second positioning hole 12, the positioning sleeve 7, and the second positioning hole 12 to the edge of the first shell 5. At this time, the shift block 18 is released. Under the action of the spring 19, the shift block 18 moves in the direction of the U-shaped frame 10. At this time, one end of the shift block 18 is inserted into the first positioning hole 9 of the U-shaped frame 10. At this time, the U-shaped frame 10 is further fixed by the second positioning assembly, and the inner shell 3 is further fixedly connected to the first shell 5. When disassembly is performed, the shift block 18 can be moved in opposite directions. At this time, the shift block 18 is removed from the first positioning hole 9 of the U-shaped frame 10. At this time, the U-shaped frame 10 can be pulled so that the U-shaped frame 10 leaves the second positioning hole 12 and the positioning sleeve 7. At this time, the inner shell 3 and the first shell 5 can be disassembled, thereby greatly facilitating the installation and disassembly of the structure.

[0030] The number of devices and processing scale described here are used to simplify the description of the utility model. The application, modification and variation of the utility model are obvious to those skilled in the art.

[0031] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation scheme. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the illustrations shown and described here.

Claims

1. A water pump connection device, characterized in that: include: An inner shell (3), an outer tube (4) fixedly connected to the inner shell (3), and an inner tube (2) connected to the outer tube (4) via a first positioning assembly; Two positioning blocks (13) are respectively fixedly connected to opposite end surfaces of the inner shell (3), the positioning blocks (13) on the two opposite end surfaces are arranged one by one correspondingly, and a sliding strip (16) is respectively fixedly connected to the other opposite side surfaces of the inner shell (3); The first positioning assembly comprises a first housing (5) and a U-shaped frame (10), two first slide grooves (8) are respectively provided on opposite end surfaces of the first housing (5), and a positioning sleeve (7) is fixedly connected between the two first slide grooves (8); Two second positioning components are fixedly connected to one side surface of the first housing (5), and the second positioning components are located at the edge of one side surface of the first housing (5); The U-shaped frame (10) sequentially passes through the positioning block (13) and the positioning sleeve (7) to the position of the second positioning assembly, and the U-shaped frame (10) is fixed by the second positioning assembly, thereby achieving a fixed connection between the first outer shell (5) and the inner shell (3).

2. A water pump connection device according to claim 1, characterized in that: The U-shaped frame (10) is a U-shaped structure, and first positioning holes (9) are respectively provided on both ends of the U-shaped frame (10).

3. A water pump connection device as claimed in claim 2, characterized in that: A second positioning hole (12) is provided on the positioning block (13), and the positioning block (13) corresponds to the first slide groove (8). When the inner shell (3) and the first outer shell (5) are assembled, the positioning block (13) moves in the first slide groove (8) to the bottom of the first slide groove (8).

4. A water pump connection device as claimed in claim 3, characterized in that: The interior of the positioning sleeve (7) is a hollow structure, and when the positioning block (13) is located at the bottom of the first sliding groove (8), the second positioning hole (12) corresponds to the end of the positioning sleeve (7).

5. A water pump connection device as claimed in claim 4, characterized in that: The second positioning assembly comprises a second housing (14), a positioning plate (15) movably arranged inside the second housing (14), a shifting block (18) fixedly connected to the positioning plate (15), and a spring (19) fixedly connected to one end of the positioning plate (15); the second housing (14) is hollow in the middle, and a moving hole (17) is provided on one side surface of the second housing (14), and the shifting block (18) extends from the moving hole (17); and one end of the spring (19) away from the positioning plate (15) is fixedly connected to the second housing (14).

6. A water pump connection device as claimed in claim 5, characterized in that: One end of the positioning plate (15) extends from the interior of the second housing (14) to the first positioning hole (9) by the action force of the spring (19), and the positioning plate (15) extends out of the first positioning hole (9).

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