Anti-falling structure of centrifugal pump

By designing a combined structure of fixing seat, connecting seat, screw, nut, pressing sleeve and installation components on the centrifugal pump, the bolt loosening problem caused by liquid impact is solved, and the stable fixation of the centrifugal pump is achieved.

CN223241725UActive Publication Date: 2025-08-19WUXI DESHIBI INTELLIGENT FLUID TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422419281.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-08
Publication Date
2025-08-19
Estimated Expiration
2034-10-08

AI Technical Summary

Technical Problem

During long-term use of the centrifugal pump, the vibration caused by liquid impact will cause the bolt to loosen, affecting the fixing effect.

Method used

An anti-detachment structure including a fixing seat, a connecting seat, a screw, a nut, a pressing sleeve, a pressing plate and a mounting assembly is designed to prevent the nut from being loosened by extrusion of the nut and fixing of the pressing sleeve.

Benefits of technology

Effectively prevent the nut from moving to the side away from the fixing seat, avoid loosening, and improve the fixing stability of the centrifugal pump.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223241725U_ABST
    Figure CN223241725U_ABST
Patent Text Reader

Abstract

The utility model discloses a centrifugal pump anti-falling structure which comprises a fixing base, a connecting base is arranged at the top of the fixing base, a plurality of screws are arranged at the top of the fixing base, and nuts used for fixing the position of the connecting base are arranged in the middle of the screws in a threaded and sleeved mode. And the pressing assembly comprises a pressing sleeve arranged at the top of the nut. Through the design of the pressing sleeve, the pressing plate and the mounting assembly, the arranged connecting base is fixed to the bottom of the centrifugal pump, when the position of the centrifugal pump needs to be fixed, the screw penetrates into the connecting base, the position of the connecting base is fixed through extrusion of the nut, and then the pressing sleeve is placed on the top of the nut; and the positions of the pressing plate and the pressing sleeve are fixed through the mounting assembly, the nut is pressed through the pressing sleeve at the fixed position, the situation that the nut moves towards the side away from the fixing base is avoided, and therefore the situation that the nut is loosened is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal pumps, in particular to an anti-slip structure for centrifugal pumps. Background Art

[0002] The working principle of a centrifugal pump is that the impeller is driven to rotate by the pump shaft, doing work on the fluid between the blades. The fluid is centrifugally thrown from the center of the impeller to the periphery, thereby completing the liquid transportation.

[0003] When in use, the centrifugal pump inputs liquid into the interior of the centrifugal pump through the liquid inlet end, and the motor rotates the impeller to drive the liquid to the liquid outlet end, thereby completing the liquid delivery. When the liquid enters the interior of the centrifugal pump, the liquid will impact the pump body, causing the pump body to vibrate due to the impact of the liquid. After long-term use, the position where the centrifugal pump is installed through the bolts will cause the bolts to loosen due to the vibration of the centrifugal pump. Utility Model Content

[0004] The purpose of the present invention is to provide a centrifugal pump anti-slip structure to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a centrifugal pump anti-slip structure, comprising a fixing seat, a connecting seat provided on the top of the fixing seat, a plurality of screws provided on the top of the fixing seat, a nut for fixing the position of the connecting seat provided on the middle thread sleeve of the screw, and further comprising;

[0006] A pressing assembly, the pressing assembly comprising a pressing sleeve arranged on the top of the nut, the top of the pressing sleeve being fixedly connected to a pressing plate;

[0007] The mounting assembly is arranged at the bottom of the pressing plate and is used to fix the position of the pressing plate.

[0008] Preferably, connection holes are provided at the four corners of the connection seat, the screw rod is inserted and connected inside the connection hole, and the nut is arranged on the top of the connection seat.

[0009] Preferably, the bottom end of the pressing plate is fixedly connected to a mounting plate, and the mounting assembly includes a positioning seat fixedly connected to the top of the fixing seat, the top of the positioning seat is provided with a mounting groove, the mounting plate is inserted and connected inside the mounting groove, and a clip for fixing the position of the mounting plate is provided at the connection between the mounting plate and the mounting groove.

[0010] Preferably, the clamping member includes a positioning block inserted and connected to the inner wall of one side of the installation groove, a positioning hole is opened in the middle of the installation plate, and the positioning block is inserted and connected inside the connection hole.

[0011] Preferably, a pressing hole is provided on the inner wall of the other side of the installation groove, and the positioning block is inserted and connected inside the pressing hole.

[0012] Preferably, one side of the positioning block is fixedly connected to a connecting block, one side of the connecting block is fixedly connected to an elastic block for pushing the connecting block, and a horizontal longitudinal cross-section of the elastic block is set to be trapezoidal.

[0013] Preferably, a cavity is opened in the middle of the positioning seat, the elastic block is fixedly connected to the inner wall of one side of the cavity, and the connecting block is slidably inserted and connected inside the cavity.

[0014] Technical effects and advantages of this utility model:

[0015] The utility model adopts the design of a pressing sleeve, a pressing plate and an installation component, and a connecting seat is fixed on the bottom of the centrifugal pump. When the position of the centrifugal pump needs to be fixed, the screw rod is inserted into the connecting seat, and the position of the connecting seat is fixed by squeezing the nut, and then the pressing sleeve is placed on the top of the nut, and the positions of the pressing plate and the pressing sleeve are fixed by the installation component. The nut is pressed by the pressing sleeve in the fixed position, which prevents the nut from moving to the side away from the fixing seat, thereby preventing the nut from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the front structure of the utility model.

[0018] Figure 3 This is a front sectional structural diagram of the present invention.

[0019] Figure 4 It is a partial front sectional structural diagram of the utility model.

[0020] In the figure: 1. Fixing seat; 2. Connecting seat; 3. Screw; 4. Nut; 5. Pressing assembly; 501. Pressing sleeve; 502. Pressing plate; 503. Mounting plate; 6. Mounting assembly; 601. Positioning seat; 602. Mounting groove; 603. Positioning hole; 604. Positioning block; 605. Cavity; 606. Connecting block; 607. Elastic block; 608. Pressing hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] The utility model provides Figure 1-4 The anti-slip structure of a centrifugal pump shown in the figure includes a fixing base 1, a connecting base 2 is provided on the top of the fixing base 1, a plurality of screws 3 are provided on the top of the fixing base 1, and a nut 4 for fixing the position of the connecting base 2 is provided on the middle thread sleeve of the screw 3, and further includes;

[0023] The pressing assembly 5 includes a pressing sleeve 501 disposed on the top of the nut 4, and a pressing plate 502 is fixedly connected to the top of the pressing sleeve 501;

[0024] The mounting assembly 6 is arranged at the bottom of the pressing plate 502 and is used to fix the position of the pressing plate 502 .

[0025] It should be noted that the connecting seat 2 is fixedly connected to the bottom end of the centrifugal pump. When the position of the centrifugal pump needs to be fixed, the position of the centrifugal pump is fixed by fixing the position of the connecting seat 2.

[0026] Specifically, connection holes are opened at the four corners of the connection base 2 , the screw rods 3 are inserted and connected inside the connection holes, and the nuts 4 are arranged on the top of the connection base 2 .

[0027] It should be noted that the screw rod 3 can be fixed to the top of the fixing base 1 by welding. The number of the screw rods 3 is consistent with the number of the connection holes. When the position of the connecting base 2 needs to be fixed, the connecting base 2 is moved to the top of the fixing base 1, and the connection hole is aligned with the screw rod 3. Then the connecting base 2 is moved to one side of the fixing base 1, and the connecting base 2 is sleeved on the middle part of the screw rod 3 through the connection hole. The nut 4 is threaded on the screw rod 3, and the nut 4 is screwed along the screw rod 3 to one side of the connecting base 2 by twisting the nut 4. The pressing sleeve 501 is set to be cylindrical. When the nut 4 needs to be pressed downward, the pressing sleeve 501 is sleeved on the screw rod 3, and the pressing sleeve 501 is fit with the top of the nut 4. The positions of the pressing plate 502 and the pressing sleeve 501 are fixed by the mounting assembly 6. The nut 4 is pressed by the pressing sleeve 501 in a fixed position to prevent the nut 4 from moving to the side away from the fixing seat 1, thereby preventing the nut 4 from loosening.

[0028] Specifically, the bottom end of the pressing plate 502 is fixedly connected to the mounting plate 503, and the mounting assembly 6 includes a positioning seat 601 fixedly connected to the top of the fixing seat 1, and a mounting groove 602 is provided at the top of the positioning seat 601. The mounting plate 503 is inserted and connected inside the mounting groove 602. A clip for fixing the position of the mounting plate 503 is provided at the connection between the mounting plate 503 and the mounting groove 602. The clip includes a positioning block 604 inserted and connected to the inner wall of one side of the mounting groove 602. A positioning hole 603 is provided in the middle of the mounting plate 503, and the positioning block 604 is inserted and connected inside the positioning hole 603.

[0029] 3. The cam 604 is provided to hold the cam 604 in place and to allow the cam 604 to move freely in the recess 604. The cam 604 is provided to hold the cam 604 in place and to allow the cam 604 to move freely in the recess 604.

[0030] Specifically, a pressing hole 608 is provided on the inner wall on the other side of the mounting groove 602, and the positioning block 604 is inserted and connected inside the pressing hole 608. A connecting block 606 is fixedly connected to one side of the positioning block 604, and an elastic block 607 for pushing the connecting block 606 is fixedly connected to one side of the connecting block 606. The horizontal longitudinal cross-section of the elastic block 607 is set to be trapezoidal. A cavity 605 is provided in the middle of the positioning seat 601, and the elastic block 607 is fixedly connected to the inner wall on one side of the cavity 605. The connecting block 606 is slidably inserted and connected inside the cavity 605.

[0031] It should be noted that the connecting block 606 is adapted to the initial cavity 605, so that the connecting block 606 can be moved inside the cavity 605 during use. The elastic block 607 is made of rubber, which has a deformable property. When the elastic block 607 is squeezed by the connecting block 606, the elastic block 607 will be deformed. When the elastic block 607 loses the squeezing of the connecting block 606, the elastic block 607 will restore the deformation and push the connecting block 606 to the side away from the elastic block 607; the opening of the pressing hole 608 is used to move the positioning block 604 to one side of the elastic block 607 and move the positioning block 604 out of the positioning hole 603.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A centrifugal pump anti-slip structure, comprising a fixing seat (1), a connecting seat (2) provided on the top of the fixing seat (1), a plurality of screws (3) provided on the top of the fixing seat (1), a nut (4) for fixing the position of the connecting seat (2) provided on the middle thread sleeve of the screw (3), characterized in that: Also includes; A pressing assembly (5), the pressing assembly (5) comprising a pressing sleeve (501) arranged on the top of the nut (4), the top of the pressing sleeve (501) being fixedly connected to a pressing plate (502); A mounting assembly (6) is provided at the bottom of the pressing plate (502), and the mounting assembly (6) is used to fix the position of the pressing plate (502).

2. The anti-slip structure of a centrifugal pump according to claim 1, characterized in that: The four corners of the connecting seat (2) are each provided with a connecting hole, the screw rod (3) is inserted and connected inside the connecting hole, and the nut (4) is arranged on the top of the connecting seat (2).

3. The anti-slip structure of a centrifugal pump according to claim 1, characterized in that: The bottom end of the pressing plate (502) is fixedly connected to a mounting plate (503), and the mounting assembly (6) includes a positioning seat (601) fixedly connected to the top end of the fixing seat (1). The top end of the positioning seat (601) is provided with a mounting groove (602), and the mounting plate (503) is inserted and connected inside the mounting groove (602). A clamping piece for fixing the position of the mounting plate (503) is provided at the connection between the mounting plate (503) and the mounting groove (602).

4. The anti-slip structure of a centrifugal pump according to claim 3, characterized in that: The clamping member includes a positioning block (604) inserted and connected to the inner wall of one side of the installation groove (602); a positioning hole (603) is opened in the middle of the installation plate (503), and the positioning block (604) is inserted and connected inside the positioning hole (603).

5. The anti-slip structure of a centrifugal pump according to claim 4, characterized in that: A pressing hole (608) is provided on the inner wall of the other side of the installation groove (602), and the positioning block (604) is inserted and connected inside the pressing hole (608).

6. The anti-slip structure of a centrifugal pump according to claim 5, characterized in that: One side of the positioning block (604) is fixedly connected to a connecting block (606), and one side of the connecting block (606) is fixedly connected to an elastic block (607) for pushing the connecting block (606), and the horizontal longitudinal section of the elastic block (607) is set to be trapezoidal.

7. The anti-slip structure of a centrifugal pump according to claim 6, characterized in that: A cavity (605) is provided in the middle of the positioning seat (601), the elastic block (607) is fixedly connected to the inner wall of one side of the cavity (605), and the connecting block (606) is slidably inserted and connected inside the cavity (605).