CN219432144U - Protection device of canned motor pump - Google Patents

Abstract

The utility model relates to a protection device of a shielding pump, which comprises a placement frame; the screen plate is fixed in the placement frame, the shielding pump is placed in the center of the upper surface of the screen plate, the heat dissipation fan is fixed in the center of the lower surface of the screen plate, and the fixing component is arranged on the placement frame; the two extrusion blocks are respectively and slidably connected to the inner walls of the left side and the right side of the placement frame, sliding strips are arranged on the opposite sides of the two extrusion blocks, sliding grooves for the two sliding strips to move up and down are respectively formed in the left side wall and the right side wall of the inner cavity of the placement frame, and the sliding grooves are in sliding fit with the sliding strips on one side of the extrusion blocks. The hand wheel is rotated to realize quick and accurate positioning and fixing of the shielding pump.

Description

Protection device of canned motor pump

Technical Field

The utility model relates to the technical field of shielding pumps, in particular to a protection device of a shielding pump.

Background

The shield pump is a leak-free pump with an integrated structure composed of a shield motor and a pump set, and mainly comprises a pump body, an impeller, a stator, a rotor, front and rear bearings, a thrust disc and other parts. When the canned motor pump is used, the protecting device is required to be fixed and protect the canned motor pump, for example, the protecting device (authorized bulletin number CN 211230810U) of a pump can protect the canned motor pump by mutually matching and using the rectangular frame plate, the first damping plate, the second damping plate, the third damping plate, the driving motor, the fan blades, the net plate, the pump body, the nut, the screw, the fixing block, the control switch and other parts. When the shielding pump is fixed, three screws are required to be sequentially rotated to fix the shielding pump, and the moving distance of the screws at the left side and the right side cannot be guaranteed in the rotating process, so that the shielding pump cannot be quickly and accurately fixed at the center of the upper surface of the screen plate. The object of the utility model is therefore to increase the speed of fixing the canned motor pump while ensuring that the fixed canned motor pump is centered on the upper surface of the screen.

Disclosure of Invention

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model comprises a placement frame; the screen plate is fixed inside the placement frame, the shielding pump is placed in the center of the upper surface of the screen plate, the heat dissipation fan is fixed in the center of the lower surface of the screen plate, and the placement frame is provided with the fixing component;

the fixing component comprises a screw rod, the screw rod penetrates through the center of the upper part of the placing frame and the connecting plate, and the connecting plate is arranged on the upper part of the placing frame; the screw is rotationally connected with the center of the upper part of the placement frame through a bearing; the screw rod is in threaded connection with the connecting plate, and two sides of the lower end surface of the connecting plate are respectively fixedly connected with a push rod.

The lower end faces of the two ejector rods penetrate through and extend to the inside of the placement frame, and a hand wheel is fixed on the upper end face of the screw rod.

The lower ends of the two ejector rods are fixedly connected with extrusion blocks, supporting seats are respectively fixed on two sides of the upper surface of the screen plate, the two supporting seats are arranged in parallel, cross bars are respectively and slidably connected inside the two supporting seats, retaining rings are respectively fixed on the outer walls of the two cross bars, a first spring is arranged between each retaining ring and each supporting seat and sleeved on the outer wall of each cross bar, the first spring is in clearance fit with the outer wall of each cross bar, one end of each retaining ring is fixed at one end of each first spring, and the other end of each first spring is fixed on the outer wall of each supporting seat; two opposite ends of the cross rod are fixed with transverse pressing plates, and the two transverse pressing plates are respectively attached to the left side and the right side of the shielding pump.

The two extrusion blocks are respectively connected with the inner walls of the left side and the right side of the placing frame in a sliding way, the two opposite sides of the extrusion blocks are respectively provided with sliding strips, and the left side wall and the right side wall of the inner cavity of the placing frame are respectively provided with sliding grooves for the two sliding strips to move up and down, and the sliding grooves are in sliding fit with the sliding strips on one side of the extrusion blocks.

Two horizontal pole one end is laminated respectively in two opposite one sides of extrusion piece, the shape of extrusion piece front cross section is right triangle, the horizontal pole is the slope form with the one end of extrusion piece laminating.

The fixing assembly further comprises two sleeves, the two sleeves are fixed on the lower end face of the connecting plate, and the two sleeves are arranged on two sides of the screw; the two telescopic lower terminal surfaces all run through and extend to the inside of placing the frame, two telescopic inside all sliding connection has the montant, the lower terminal surface of montant is fixed with the holding down plate, the laminating of holding down plate is at the up end of canned motor pump, the up end of montant is fixed at the second spring lower extreme, the second spring sets up in telescopic inside, and the upper end laminating of second spring is at the roof of sleeve inner chamber.

The technical scheme of this application possesses following beneficial effect:

the hand wheel is rotated to realize quick and accurate positioning and fixing of the shielding pump. The rotating hand wheel drives the screw rod to rotate, the screw rod rotates to drive the connecting plate to move downwards, the ejector rod and the extrusion block are driven to move downwards through the connecting plate, so that the two cross rods and the two transverse pressing plates move oppositely simultaneously, the left side and the right side of the shielding pump are clamped and fixed, at the moment, the shielding pump can be fixed at the center of the upper surface of the screen plate at the same speed, the sleeve and the vertical rod lower pressing plate are driven to move downwards in the process of connecting the transverse plate to move downwards, the lower pressing plate is attached to the upper part of the shielding pump, the two vertical rods are pushed through the elastic force of the two second springs, and the lower pressing plate is tightly attached to the upper part of the shielding pump, so that the stability after the shielding pump is fixed is improved.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a second schematic diagram of the structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present utility model;

fig. 4 is a schematic view of the internal structure of the sleeve according to the present utility model.

Fig. 5 is a schematic diagram of a third embodiment of the present utility model.

In the figure: 1. placing a frame; 101. a chute; 2. a screen plate; 3. a heat radiation fan; 4. a fixing assembly; 401. a screw; 402. a connecting plate; 403. a push rod; 404. extruding a block; 405. a support base; 406. a cross bar; 407. a baffle ring; 408. a first spring; 409. a transverse pressing plate; 410. a sleeve; 411. a vertical rod; 412. a lower pressing plate; 413. a second spring; 414. a slide bar; 5. and a hand wheel.

Detailed Description

Referring to fig. 1-4, a screen plate 2 is fixed inside a placement frame 1, a shielding pump is placed in the center of the upper surface of the screen plate 2, a heat dissipation fan 3 is fixed in the center of the lower surface of the screen plate 2, and a fixing component 4 is arranged on the placement frame 1;

the fixing assembly 4 comprises a screw 401, the screw 401 penetrates through the center of the upper part of the placing frame 1 and a connecting plate 402, and the connecting plate 402 is arranged on the upper part of the placing frame 1; the screw 401 is rotatably connected with the center of the upper part of the placement frame 1 through a bearing; the screw 401 is in threaded connection with the connecting plate 402, and two sides of the lower end surface of the connecting plate 402 are fixedly connected with ejector rods 403 respectively.

When the shielding pump is required to be fixed on the screen plate 2, the handle 5 is rotated to drive the screw 401 connected with the shielding pump, the screw 401 is rotated to drive the connecting plate 402 to move downwards, the connecting plate 402 drives the ejector rod 403 and the extrusion block 404 to move downwards in the process of moving downwards, the extrusion block 404 pushes the two cross rods 406 to move close to each other in the process of moving, the two cross rods 406 drive the two cross plates 409 to move close to each other, so that the two cross plates 409 are respectively attached to the left side and the right side of the shielding pump, the moving lengths of the two cross plates 409 are equal, the shielding pump can be fixed at the center of the upper surface of the screen plate 2, the connecting plate 402 also drives the two sleeves 410 and the two vertical rods 411 to move downwards in the process of moving, the connecting plate 402 continuously moves downwards after the lower pressure plate 412 is attached to the upper part of the shielding pump, the second springs 413 are compressed, the lower pressure plate 412 can be tightly attached to the upper part of the shielding pump through the elastic force of the two second springs 413, and the stability after the shielding pump is fixed is improved.

Therefore, the hand wheel 5 is rotated to realize quick and accurate positioning and fixing of the shielding pump.

Claims (3)

1. The utility model provides a protection device of canned motor pump, includes places frame (1), its characterized in that: the novel heat-dissipation device is characterized in that a screen plate (2) is fixed inside the placement frame (1), a shielding pump is placed at the center of the upper surface of the screen plate (2), a heat dissipation fan (3) is fixed at the center of the lower surface of the screen plate (2), and a fixing assembly (4) is arranged on the placement frame (1); the fixing assembly (4) comprises a screw rod (401), the screw rod (401) penetrates through the center of the upper part of the placement frame (1) and the connecting plate (402), and the connecting plate (402) is arranged on the upper part of the placement frame (1); the screw (401) is rotationally connected with the center of the upper part of the placement frame (1) through a bearing; the screw rod (401) is in threaded connection with the connecting plate (402), and ejector rods (403) are fixedly connected to two sides of the lower end surface of the connecting plate (402) respectively; the lower end surfaces of the two ejector rods (403) penetrate through and extend into the placing frame (1), and a hand wheel (5) is fixed on the upper end surface of the screw rod (401); the lower ends of the two ejector rods (403) are fixedly connected with the extrusion blocks (404), supporting seats (405) are respectively fixed on two sides of the upper surface of the screen plate (2), the two supporting seats (405) are arranged in parallel, cross rods (406) are slidably connected in the two supporting seats (405), baffle rings (407) are respectively fixed on the outer walls of the two cross rods (406), first springs (408) are arranged between the baffle rings (407) and the supporting seats (405), the first springs (408) are sleeved on the outer walls of the cross rods (406), the first springs (408) are in clearance fit with the outer walls of the cross rods (406), one ends of the two baffle rings (407) are fixed at one ends of the first springs (408), and the other ends of the first springs (408) are fixed on the outer walls of the supporting seats (405); one end of each transverse rod (406) opposite to each other is fixed with a transverse pressing plate (409), and the two transverse pressing plates (409) are respectively attached to the left side and the right side of the shielding pump; the two extrusion blocks (404) are respectively connected with the inner walls of the left side and the right side of the placement frame (1) in a sliding way, the two opposite sides of the two extrusion blocks (404) are respectively provided with sliding strips (414), the left side wall and the right side wall of the inner cavity of the placement frame (1) are respectively provided with sliding grooves (101) for the two sliding strips to move up and down, and the sliding grooves (101) are in sliding fit with the sliding strips (414) on one side of the extrusion blocks (404).

2. A protection device for a canned motor pump according to claim 1, characterized in that: two horizontal pole (406) one end laminating respectively is in the opposite one side of two extrusion piece (404), the shape of extrusion piece (404) front cross section is right triangle, the one end that horizontal pole (406) and extrusion piece (404) laminate is the slope form.

3. A protection device for a canned motor pump according to claim 1, characterized in that: the fixing assembly (4) further comprises two sleeves (410), wherein the two sleeves (410) are fixed on the lower end face of the connecting plate (402), and the two sleeves (410) are arranged on two sides of the screw (401); the lower terminal surface of two sleeve (410) all runs through and extends to the inside of placing frame (1), two the inside of sleeve (410) is all sliding connection has montant (411), the lower terminal surface of montant (411) is fixed with holding down plate (412), holding down plate (412) laminating is at the up end of canned motor pump, the up end of montant (411) is fixed at second spring (413) lower extreme, second spring (413) set up the inside at sleeve (410), and the upper end laminating of second spring (413) is at the roof of sleeve (410) inner chamber.