CN210839151U

CN210839151U - Safe type explosion-proof multistage pump motor

Info

Publication number: CN210839151U
Application number: CN201921953902.1U
Authority: CN
Inventors: 赵福增
Original assignee: Zhejiang Qiantao Pump Co ltd
Current assignee: Zhejiang Qiantao Pump Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-06-23
Anticipated expiration: 2029-11-13

Abstract

The utility model belongs to the technical field of multistage pumps, in particular to a safety explosion-proof multistage pump motor, which comprises a mounting seat, a multistage pump body and a motor body, wherein the multistage pump body and the motor body are both arranged on the top surface of the mounting seat, the output shaft of the motor body is fixedly connected with the input shaft of the multistage pump body, the tail part of the motor body is provided with a breathable net cover through bolts, and the tail part of the motor body is also provided with a dust cover; the dustproof cover is provided with a dismounting structure used for mounting the dustproof cover on the multistage pump body; the utility model discloses a multistage pump motor has configured the dust cover, is equipped with the dust screen on the dust cover, plays dustproof effect to the equipment motor, and the dust cover utilizes dismouting structural mounting at the motor body afterbody, utilizes the knob can realize the dismantlement of dust cover, and is very convenient, and the built-in balance spring of dust cover, has played certain buffering effect, has further improved motor body's explosion-proof performance.

Description

Safe type explosion-proof multistage pump motor

Technical Field

The utility model belongs to the technical field of the multistage pump, concretely relates to explosion-proof multistage pump motor of safe type.

Background

The multi-stage pump is a centrifugal pump combining a water inlet section and a water outlet section with a middle section through a pull rod, the output water pressure of the multi-stage pump can be very high, the centrifugal force is obtained by the rotation of an impeller, so that materials are pumped out when the gas density reaches the working range of the mechanical vacuum pump, and high vacuum is gradually obtained.

Original multistage pump motor afterbody all can utilize ventilative screen panel of bolt installation usually, dispels the heat to the incoming telegram machine and exhausts, but must can bond more dust on the ventilative screen panel after using for a long time, need dismantle ventilative screen panel and just can carry out the clearance fully, and is very troublesome.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides an explosion-proof multistage pump motor of safe type has safe in utilization convenience, convenient to detach cleanness and long service life's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a safety type explosion-proof multi-stage pump motor comprises a mounting seat, a multi-stage pump body and a motor body, wherein the multi-stage pump body and the motor body are both mounted on the top surface of the mounting seat, an output shaft of the motor body is fixedly connected with an input shaft of the multi-stage pump body, a ventilation mesh enclosure is mounted at the tail of the motor body through bolts, a dust cover is further arranged at the tail of the motor body, and the dust cover is covered outside the ventilation mesh enclosure; and the dust cover is provided with a dismounting structure for mounting the dust cover on the multistage pump body.

As an optimal technical scheme of the utility model, the dust screen is installed to the port department of dust cover.

As a preferred technical scheme of the utility model, the dismounting structure comprises a knob, a rotating shaft, a turning rod and a locking rod, the locking rod is mounted on the inner wall of the dust cover, a clamping block is arranged at the end part of the outer surface of the locking rod, and a clamping groove capable of accommodating the clamping block is arranged at the tail part of the outer surface of the motor body; one end of the rotating shaft is located in the dust cover, the other end of the rotating shaft extends out of the dust cover, one end of the turnover rod is hinged to the locking rod, the other end of the turnover rod is hinged to the rotating shaft, and the knob is fixed to the outer side end of the rotating shaft.

As a preferred technical scheme of the utility model, the upset pole with the locking lever all is equipped with four, and four upset pole and locking lever all are equidistant annular distribution.

As an optimized technical scheme of the utility model, the terminal surface that the fixture block deviates from the upset pole is the inclined plane.

As an optimal technical scheme of the utility model, the locking lever is "L" type structure the top of locking lever is fixed with spacing slider, the dust cover inner wall seted up with the corresponding spacing spout of spacing slider, spacing slider imbeds in the spacing spout and can follow spacing spout slides spacing slider both ends with it has balance spring to equally divide cloth between the both ends wall of spacing spout.

As an optimal technical scheme of the utility model, spacing spout with spacing slider's vertical tangent plane is "T" style of calligraphy structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a multistage pump motor has configured the dust cover, is equipped with the dust screen on the dust cover, plays dustproof effect to the equipment motor, and the dust cover utilizes dismouting structural mounting at the motor body afterbody, utilizes the knob can realize the dismantlement of dust cover, and is very convenient, and the built-in balance spring of dust cover, has played certain buffering effect, has further improved motor body's explosion-proof performance.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the motor body of the present invention;

FIG. 3 is a schematic side sectional view of the dust cover of the present invention;

fig. 4 is a schematic front structural view of the dust cover of the present invention;

FIG. 5 is an enlarged schematic view of a dust cover of the present invention;

in the figure: 1. a mounting seat; 2. a multi-stage pump body; 3. a motor body; 4. a breathable net cover; 5. a dust cover; 6. a disassembly and assembly structure; 7. a card slot; 8. a dust screen; 9. a knob; 10. a rotating shaft; 11. a turning rod; 12. a locking lever; 13. a clamping block; 14. a limiting chute; 15. a limiting slide block; 16. a balance spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a safety type explosion-proof multi-stage pump motor comprises a mounting seat 1, a multi-stage pump body 2 and a motor body 3, wherein the multi-stage pump body 2 and the motor body 3 are both mounted on the top surface of the mounting seat 1, an output shaft of the motor body 3 is fixedly connected with an input shaft of the multi-stage pump body 2, in the working process, the motor body 3 is used for driving the input shaft of the multi-stage pump body 2 to rotate to work, a breathable net cover 4 is mounted at the tail part of the motor body 3 through bolts, a dust cover 5 is further arranged at the tail part of the motor body 3, and the dust cover 5 covers the outside of the breathable net cover 4; be equipped with on dust cover 5 and be used for installing dust cover 5 the dismouting structure 6 on multistage pump body 2, dust cover 5 can play dustproof effect to motor body 3, avoids external dust to get into motor body 3 inside from ventilative screen panel 4, influences motor body 3's normal work, reduces motor body 3's life.

Specifically, according to fig. 3, in this embodiment, the dust screen 8 is installed at the port of the dust cover 5, which is beneficial to ventilation and heat dissipation of the motor body 3, and prevents external dust from entering the motor body 3.

Specifically, according to fig. 1 and fig. 3, in this embodiment, the dismounting structure 6 includes a knob 9, a rotating shaft 10, a turning rod 11 and a locking rod 12, the locking rod 12 is installed on the inner wall of the dust cover 5, a clamping block 13 is arranged at the end of the outer surface of the locking rod 12, and a clamping groove 7 capable of accommodating the clamping block 13 is arranged at the tail of the outer surface of the motor body 3; inside pivot 10 one end was in dust cover 5, the other end extends dust cover 5, the one end and the locking lever 12 of turning bar 11 are articulated, the other end is articulated with pivot 10, knob 9 is fixed in the outside end of pivot 10, when realizing the installation of dust cover 5, with the fixture block 13 embedding of locking lever 12 tip in the draw-in groove 7 on motor body 3 surface can, when dismantling dust cover 5, rotatory knob 9, utilize knob 9 to drive pivot 10 and rotate, thereby drive the upset of turning bar 11, when the upset of turning bar 11, locking lever 12 can draw close to the inboard, until fixture block 13 breaks away from behind draw-in groove 7, can dismantle dust cover 5, and is very convenient.

Specifically, according to fig. 4, in the embodiment, four turning rods 11 and four locking rods 12 are provided, and the four turning rods 11 and the four locking rods 12 are distributed annularly at equal intervals, so as to ensure the stability of the dust cover 5 during installation.

Specifically, as shown in fig. 3, in this embodiment, the end face of the clamping block 13 departing from the turning rod 11 is an inclined face, so that when the dust cover 5 is installed, the dust cover 5 is directly pushed to cover the end of the motor body 3, the inclined face structure of the clamping block 13 can make the locking rod 12 shift to the outside, and then reset, so that the clamping block 13 is embedded into the clamping groove 7, the locking rod 12 is selected to have an elastic metal sheet, and the metal sheet can be directly purchased on the market.

Specifically, as shown in fig. 3 and 5, in this embodiment, the locking rod 12 is an "L" shaped structure, which provides a deformation range of the locking rod 12, a limit slider 15 is fixed on the top end of the locking rod 12, a limit chute 14 corresponding to the limit slider 15 is formed on the inner wall of the dust cover 5, the limit slider 15 is embedded into the limit chute 14 and can slide along the limit chute 14, balance springs 16 are evenly distributed between two ends of the limit slider 15 and two end walls of the limit chute 14, and the balance springs 16 exist, and the locking rod 12 can move within a certain range, that is, the dust cover 5 can move within a certain range relative to the locking rod 12, when there is a lot of heat inside the motor body 3, the heat can be inevitably discharged from the air permeable mesh enclosure 4 and the dust screen 8 to exchange heat with the outside, the heat can generate a thrust to the dust cover 5 in the emission process, and the balance springs 16 can buffer most of the thrust, ensuring the structural integrity of the dust cap 5.

Specifically, according to fig. 5, in the present embodiment, the longitudinal sections of the limiting sliding groove 14 and the limiting sliding block 15 are both "T" shaped structures, so as to ensure the stability and safety of the movement of the dust cover 5 relative to the locking rod 12.

The utility model discloses a theory of operation and use flow: when the multi-stage pump motor is used, the dust cover 5 is arranged at the tail part of the motor body 3 by utilizing the dismounting structure 6, and the end surface of the fixture block 13 deviating from the turnover rod 11 is an inclined surface, so that when the dust cover 5 is arranged, the dust cover 5 is directly pushed and covered at the tail part of the motor body 3;

when dismantling dust cover 5, rotatory knob 9, utilize knob 9 to drive pivot 10 and rotate, thereby drive the upset of upset pole 11, when upset pole 11 overturns, locking lever 12 can draw close to the inboard, after breaking away from draw-in groove 7 up to fixture block 13, can dismantle dust cover 5, to figure 4, the extension line of upset pole 11 all deviates in the central line of dust cover 5, consequently, to the state shown in figure 4, clockwise rotation knob 9, can drive the upset of upset pole 11, and upset pole 11 can jack-up locking lever 12, realize that fixture block 13 breaks away from draw-in groove 7.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an explosion-proof multistage pump motor of safe type, includes mount pad (1), multistage pump body (2) and motor body (3), multistage pump body (2) with motor body (3) are all installed mount pad (1) top surface, just the output shaft of motor body (3) with the input shaft of multistage pump body (2) is fixed continuous ventilative screen panel (4), its characterized in that are installed through the bolt to the afterbody of motor body (3): the tail part of the motor body (3) is also provided with a dust cover (5), and the dust cover (5) covers the outside of the air-permeable mesh enclosure (4); the dust cover (5) is provided with a dismounting structure (6) for mounting the dust cover (5) on the multistage pump body (2).

2. The safety explosion-proof multistage pump motor according to claim 1, characterized in that: and a dustproof net (8) is installed at a port of the dustproof cover (5).

3. The safety explosion-proof multistage pump motor according to claim 1, characterized in that: the dismounting structure (6) comprises a knob (9), a rotating shaft (10), a turning rod (11) and a locking rod (12), the locking rod (12) is installed on the inner wall of the dust cover (5), a clamping block (13) is arranged at the end part of the outer surface of the locking rod (12), and a clamping groove (7) capable of containing the clamping block (13) is arranged at the tail part of the outer surface of the motor body (3); one end of the rotating shaft (10) is located inside the dust cover (5), the other end of the rotating shaft extends out of the dust cover (5), one end of the turnover rod (11) is hinged to the locking rod (12), the other end of the turnover rod is hinged to the rotating shaft (10), and the knob (9) is fixed at the outer side end of the rotating shaft (10).

4. A safety explosion-proof multistage pump motor according to claim 3, characterized in that: the turnover rod (11) and the locking rod (12) are four in number, and the turnover rod (11) and the locking rod (12) are distributed in an annular mode at equal intervals.

5. A safety explosion-proof multistage pump motor according to claim 3, characterized in that: the end face of the clamping block (13) departing from the overturning rod (11) is an inclined plane.

6. A safety explosion-proof multistage pump motor according to claim 3, characterized in that: the locking rod (12) is of an L-shaped structure, a limiting sliding block (15) is fixed to the top end of the locking rod (12), a limiting sliding groove (14) corresponding to the limiting sliding block (15) is formed in the inner wall of the dust cover (5), the limiting sliding block (15) is embedded into the limiting sliding groove (14) and can slide along the limiting sliding groove (14), and balance springs (16) are distributed between two ends of the limiting sliding block (15) and two end walls of the limiting sliding groove (14).

7. The safety explosion-proof multistage pump motor according to claim 6, characterized in that: the longitudinal sections of the limiting sliding groove (14) and the limiting sliding block (15) are both in a T-shaped structure.