Long shaft pump with detachable shell

Abstract

The utility model relates to the technical field of long shaft pump process design, in particular to a long shaft pump with a detachable shell, which is technically characterized by comprising a pump body and a protective shell positioned on the outer surface of the output end of the pump body, a protrusion and a groove which are matched with each other are arranged on the opposite sides of the two sub-shells, the two sub-shells are fixed through sliding, the protective shell extends in the length direction of the output end of the pump body, and the pump body is provided with an annular limiting part pointing to the protective shell. The limiting part is located on the periphery of the protective shell, a fixing device for fixing the protective shell is arranged on the limiting part, and through the arrangement of the limiting part, the situation that the protective shell slides under the vibration effect of the long-shaft pump can be avoided in the using process, so that the protective effect of the protective shell is guaranteed, and in addition, the service life of the protective shell is prolonged. The limiting part is of a quick-release structure and can be conveniently fixed and detached.

Description

Technical Field

[0001] The utility model relates to the technical field of long-axis pump process design, in particular to a long-axis pump with a detachable shell. Background Art

[0002] The inner shaft outer shell of the existing long-axis pump is fixed section by section by bolts, which makes it difficult to disassemble. In addition, when the long-axis pump is placed, a plate is often placed at the bottom of the long-axis pump, which has a poor supporting effect.

[0003] Application No. 2023216364430 provides a long-axis pump with a disassembly structure, which fixes the protective shell through the sliding action between the groove plate and the protrusion plate on the shell, and this fixation is only for the fixation of the two shells in the length direction. During the use of the long-axis pump, due to the high-speed rotation of the internal rotor and the flow of liquid, vibration and impact will be generated. Therefore, additional fixing devices are required during the fixing process. The usual practice in the prior art is to fix it with bolts. The bolt fixing is complicated and will still be affected by vibration after the fixing is completed. Utility Model Content

[0004] Therefore, the technical problem to be solved by the utility model is that the fixing of the protective shell in the prior art is unstable and the designed fixing device may be affected by vibration.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A long-axis pump with a detachable shell comprises a pump body and a protective shell located on the outer surface of the pump body output end, the protective shell being provided with two sub-shells arranged opposite to each other, and mutually matching protrusions and grooves are provided on opposite sides of the two sub-shells, and the two sub-shells are fixed by sliding, the protective shell is extended along the length direction of the pump body output end, the pump body is provided with an annular limiting portion pointing to the protective shell, the limiting portion is located at the outer periphery of the protective shell, the limiting portion is provided with a fixing device for fixing the protective shell, the fixing device comprises a fixing groove and a fixing rod located on the limiting portion, the fixing groove is arranged to penetrate the limiting portion, the fixing rod passes through the fixing groove and is inserted into the protective shell, the fixing rod is provided with a limiting block which slides relatively, and the sub-shell is provided with a limiting groove for accommodating the limiting block.

[0007] Preferably, the two limit blocks are slidably arranged in relative directions, an inclined surface is arranged on the downwardly pointing side of the limit block, the inclined surface is arranged to point away from the fixing rod, and a limit spring is arranged between the two limit blocks.

[0008] Preferably, a hand-held portion is provided at one end of the fixing rod pointing away from the fixing slot, and a distance between the hand-held portion and one end of the limiting block pointing away from the hand-held portion is greater than a thickness of the limiting portion.

[0009] Preferably, a limiting ring is further provided on the fixing rod, and during the fixing process, the limiting ring is located between the hand-held part and the limiting part.

[0010] Preferably, a vertically arranged holding spring is arranged in the limiting groove, and the holding spring is used to hold the end of the fixing rod.

[0011] Preferably, the limiting groove is arranged in two sections, wherein the inner limiting groove is used to place the retaining spring, and the outer limiting groove and the limiting block are arranged to match each other.

[0012] The above-mentioned long-axis pump with a detachable shell can prevent the protective shell from slipping due to the vibration of the long-axis pump during use through the setting of the limiting part, thereby ensuring the protective effect of the protective shell, and the limiting part is a quick-release structure, which can be easily fixed and disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a long-axis pump with a detachable shell in one embodiment of the utility model;

[0014] Figure 2 It is a partial cross-sectional schematic diagram of a long-axis pump with a detachable shell in one embodiment of the utility model.

[0015] In the figure, 1. long-axis pump body; 11. pump body; 111. limiting part; 12. inner shaft; 13. fixing device; 131. fixing groove; 132. fixing rod; 1321. limiting block; 1322. limiting spring; 1323. hand-held part; 1324. limiting ring; 2. protective shell; 21. sub-shell; 211. limiting groove; 212. holding spring. DETAILED DESCRIPTION

[0016] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0017] A long shaft pump with a removable casing, see Figure 1 , including a long-axis pump body 1 and a protective shell 2 located on the outer surface of the output end of the long-axis pump body 1, and the protective shell 2 is extended along the length direction of the output end of the long-axis pump body 1.

[0018] See also Figure 1 and Figure 2In one embodiment, the long-axis pump body 1 includes a pump body 11 and an inner shaft 12 connected to one end of the pump body 11 , and the inner shaft 12 is rotatably connected to the end of the pump body 11 .

[0019] In one embodiment, an annular limiting portion 111 is provided at one end of the pump body 11 pointing to the inner shaft 12 . The limiting portion 111 is located at the outer periphery of the protective shell 2 . A fixing device 13 for fixing the protective shell 2 is provided on the limiting portion 111 .

[0020] See also Figure 2 In one embodiment, the fixing device 13 includes a fixing groove 131 and a fixing rod 132 located on the limiting portion 111, the fixing groove 131 is arranged to penetrate the limiting portion 111, the fixing rod 132 passes through the fixing groove 131 and is inserted into the protective shell 2, the fixing groove 131 and the fixing rod 132 are arranged to match each other, in one embodiment, two symmetrically arranged limiting blocks 1321 are arranged on the fixing rod 132, the two limiting blocks 1321 are arranged to slide in relative directions, the limiting blocks 1321 are arranged with an inclined surface pointing downward, the inclined surface is arranged to point away from the fixing rod 132, through the setting of the inclined surface, the fixing rod 132 can be easily entered when passing through the fixing groove 131, a limiting spring 1322 is arranged between the two limiting blocks 1321, and the limiting spring 1322 is used to resist the two limiting blocks 1321 and fix their positions.

[0021] The end of the fixing rod 132 pointing away from the fixing slot 131 is provided with a hand-held portion 1323, and the setting of the hand-held portion 1323 facilitates the operation of the fixing rod 132. In one embodiment, the distance between the hand-held portion 1323 and the end of the limiting block 1321 pointing away from the hand-held portion 1323 is greater than the thickness of the limiting portion 111. In one embodiment, a limiting ring 1324 is further provided on the fixing rod 132, and during the fixing process, the limiting ring 1324 is located between the hand-held portion 1323 and the limiting portion 111.

[0022] See also Figure 1 The protective housing 2 is provided with two sub-shells 21 arranged opposite to each other, and the two sub-shells 21 are provided with mutually matching protrusions and grooves on opposite sides, and the two sub-shells 21 are fixed by sliding;

[0023] In one embodiment, the two sub-housings are respectively provided with limiting grooves 211 corresponding to the fixing rod 132, and the limiting grooves 211 are provided with vertically arranged supporting springs 212, and the supporting springs 212 are used to support the ends of the fixing rods 132. The limiting grooves 211 are arranged in two sections, wherein the inner limiting groove 211 is used to place the supporting springs 212, and the outer limiting grooves 211 and the limiting blocks 1321 are arranged to match each other. When the limiting blocks 1321 enter the outer limiting grooves 211, the limiting blocks 1321 are always located in the outer limiting grooves 211 through the action of the supporting springs 212, and when disassembly is required, the fixing rod 132 is pressed down so that the limiting blocks 1321 enter the inner limiting grooves 211, and then the fixing rod 132 is rotated to conveniently remove the fixing rod 132.

[0024] The present application provides a long-axis pump with a detachable shell. Through the setting of a limiting portion 111, during use, the protective shell 2 can be prevented from slipping due to the vibration of the long-axis pump, thereby ensuring the protective effect of the protective shell 2. In addition, the limiting portion 111 is a quick-release structure, which can be easily fixed and disassembled.

Claims

1. A long-axis pump with a detachable housing, comprising a pump body and a protective housing located on the outer surface of the pump body output end, the protective housing is provided with two oppositely arranged sub-housings, the opposite sides of the two sub-housings are provided with mutually matching protrusions and grooves, the two sub-housings are fixed by sliding, the protective housing is extended along the length direction of the pump body output end, and is characterized in that: The pump body is provided with an annular limiting portion pointing to the protective shell, the limiting portion is located at the outer periphery of the protective shell, the limiting portion is provided with a fixing device for fixing the protective shell, the fixing device includes a fixing groove and a fixing rod located on the limiting portion, the fixing groove penetrates the limiting portion, the fixing rod passes through the fixing groove and is inserted into the protective shell, the fixing rod is provided with a relatively sliding limiting block, and the sub-shell is provided with a limiting groove for accommodating the limiting block.

2. A long-axis pump with a detachable housing according to claim 1, characterized in that: The two limit blocks are slidably arranged in opposite directions, an inclined surface is arranged on the downwardly pointing side of the limit block, the inclined surface is arranged to point away from the fixing rod, and a limit spring is arranged between the two limit blocks.

3. A long-axis pump with a detachable housing according to claim 2, characterized in that: A hand-held portion is arranged at one end of the fixing rod pointing away from the fixing slot, and a distance between the hand-held portion and one end of the limiting block pointing away from the hand-held portion is greater than a thickness of the limiting portion.

4. A long-axis pump with a detachable housing according to claim 3, characterized in that: A limiting ring is also provided on the fixing rod. During the fixing process, the limiting ring is located between the hand-held part and the limiting part.

5. A long-axis pump with a detachable housing according to claim 4, characterized in that: A vertically arranged holding spring is arranged in the limiting groove, and the holding spring is used for holding the end of the fixing rod.

6. A long-axis pump with a detachable housing according to claim 5, characterized in that: The limiting groove is arranged in two sections, wherein the inner limiting groove is used to place the supporting spring, and the outer limiting groove and the limiting block are arranged to match each other.

Images