阅读说明：本技术 一种低噪音运行稳定的新型混流泵 (Low-noise stable-running novel mixed-flow pump ) 是由 徐祝山 徐鹏程 于 2021-09-07 设计创作，主要内容包括：本发明涉及混流泵技术领域,且公开了一种低噪音运行稳定的新型混流泵,包括泵体,所述泵体的中心转动连接有电机轴,所述电机轴的顶部外围转动连接有轴承体,所述电机轴的中部固定连接有叶轮,所述泵体的底部套接有端盖,所述泵体的底部内壁固定连接有固定盘。该低噪音运行稳定的新型混流泵,当泵体结束运行时,受弹簧弹力作用,活动盘下移复位,配合铰杆传动,滑块间背向远离,使滤网向下侧推出堆积杂物,达到运行结束后推出杂物的效果,提高设备的过滤效果,当轴承体与电机轴摩擦较大时,油箱内配重块受惯性和弹力作用,使竖直杆上下或者连通块左右移动,当连通块移动连通油箱时,润滑油液滴落至轴承体上润滑降低噪音。(The invention relates to the technical field of mixed flow pumps and discloses a novel mixed flow pump with low noise and stable operation. This novel mixed flow pump that low noise operation is stable, when the pump body finishes the operation, receive spring force effect, the expansion disc moves down to reset, the transmission of cooperation hinge rod, keep away from dorsad between the slider, make the filter screen throw out downwards and pile up debris, reach the effect of releasing debris after the operation, improve equipment's filter effect, when the bearing body is great with the motor shaft friction, the balancing weight receives inertia and elastic force effect in the oil tank, make vertical pole about the top and bottom or the intercommunication piece remove and control, when the intercommunication oil tank is removed to the intercommunication piece, lubricated noise reduction on the bearing body is dripped to lubricated fluid.)

1. The utility model provides a low noise operates stable novel mixed flow pump, includes the pump body (1), its characterized in that: the pump comprises a pump body (1), a motor shaft (2) is rotatably connected to the center of the pump body (1), a bearing body (3) is rotatably connected to the top periphery of the motor shaft (2), an impeller (4) is fixedly connected to the middle of the motor shaft (2), an end cover (5) is sleeved at the bottom of the pump body (1), a fixed disc (6) is fixedly connected to the inner wall of the bottom of the pump body (1), a movable disc (7) is movably connected to the bottom periphery of the motor shaft (2), a hinge rod (8) is hinged to the end of the movable disc (7), filter screens (9) are fixedly connected to the front side and the rear side of the hinge rod (8), a sliding block (10) is hinged to the bottom of the hinge rod (8), a limiting rod (11) is fixedly connected to the inner wall of the bottom of the end cover (5), a ring block (12) is fixedly connected to one end, close to the center of the limiting rod (11), and an oil tank (13) is fixedly connected to the top of the pump body (1), the oil tank is characterized in that a vertical rod (14) is movably connected inside the oil tank (13), a balancing weight (15) is fixedly connected to the top of the vertical rod (14), and the bottom of the balancing weight (15) is connected with a communicating block (17) through a first connecting rod (16) in a transmission mode.

2. A novel mixed flow pump with low noise and stable operation as claimed in claim 1, wherein: the pump body (1) is hollow, cavities are arranged on the left side and the right side of the middle of the pump body (1), and the motor shaft (2) is rotatably connected to the shaft center line of the pump body (1).

3. A novel mixed flow pump with low noise and stable operation as claimed in claim 1, wherein: blades on the upper side and the lower side of the impeller (4) are arranged in a reverse direction, a gap exists between the periphery of the impeller (4) and the inner wall of the pump body (1), and the end cover (5) is of a conical structure.

4. A novel mixed flow pump with low noise and stable operation as claimed in claim 1, wherein: the inner part of the end cover (5) is hollow, limiting rods (11) are arranged at the bottom of the end cover (5) at equal angles, and the inner wall of the end cover (5) is fixedly connected with a ring block (12) through the limiting rods (11).

5. A novel mixed flow pump with low noise and stable operation as claimed in claim 1, wherein: slider (10) swing joint is in the periphery of gag lever post (11), the top elastic connection of activity dish (7) is at the lower surface of fixed disk (6), the inside cavity of fixed disk (6), be connected through filter screen (9) between hinge rod (8).

6. A novel mixed flow pump with low noise and stable operation as claimed in claim 1, wherein: lubricating oil is equipped with in the inside of oil tank (13), the opening has been seted up to the bottom of oil tank (13), balancing weight (15) divide into two sets ofly, and a set of fixed connection is at the top of vertical pole (14), and the one end of motor shaft (2) is kept away from in another group fixed connection intercommunication piece (17).

7. A novel mixed flow pump with low noise and stable operation as claimed in claim 1, wherein: the oil pipeline is seted up to the inside of intercommunication piece (17), intercommunication piece (17) swing joint is in the bottom of oil tank (13), oil tank (13) inner structure is around motor shaft (2) symmetrical arrangement.

Technical Field

The invention relates to the technical field of mixed flow pumps, in particular to a novel mixed flow pump which is low in noise and stable in operation.

Background

The mixed flow pump is a pump between centrifugal pump and axial-flow pump, the specific speed of mixed flow pump is higher than the centrifugal pump, be less than the axial-flow pump, but the mixed flow pump body easily produces vibration or noise when moving, noise and vibration are mainly because motor ball bearing rubs too big or inhale debris in the pump, current device is at the suction in-process, filter the water through the filter screen, but impurity and granule can be piled up at the pump entry, the filter effect of equipment has been reduced, simultaneously because the friction is too big between the motor bearing, can lead to pump body operation noise production, the practicality of equipment has been reduced.

In order to solve the problems, the inventor provides a novel mixed flow pump with low noise and stable operation, when a pump body finishes operation, a movable disc moves downwards to reset under the action of spring force, a hinge rod is matched for transmission, sliding blocks are kept away from each other in a back-to-back mode, a filter screen is enabled to push accumulated sundries downwards, the sundries are pushed out downwards after operation is finished, the filtering effect of equipment is improved, when a bearing body and a motor shaft have large friction, a balancing weight in an oil tank is under the action of inertia and elasticity, a vertical rod is enabled to move up and down or a communicating block is enabled to move left and right, and when the communicating block moves to communicate with the oil tank, lubricating oil drops on the bearing body to lubricate and reduce noise.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a novel mixed flow pump with low noise and stable operation, which has the advantages of pushing out sundries after the operation is finished and self-lubricating a bearing based on vibration intensity, and solves the problems that sundries are easy to accumulate at a pump port and the friction of a motor ball bearing generates large noise.

In order to achieve the purposes of pushing out sundries after the operation is finished and self-lubricating the bearing based on the vibration strength, the invention provides the following technical scheme: a novel mixed flow pump with low noise and stable operation comprises a pump body, wherein the center of the pump body is rotationally connected with a motor shaft, the periphery of the top of the motor shaft is rotatably connected with a bearing body, the middle part of the motor shaft is fixedly connected with an impeller, the bottom of the pump body is sleeved with an end cover, the inner wall of the bottom of the pump body is fixedly connected with a fixed disc, the periphery of the bottom of the motor shaft is movably connected with a movable disc, the end part of the movable disc is hinged with a hinge rod, the front side and the rear side of the hinged rod are fixedly connected with filter screens, the bottom end of the hinged rod is hinged with a sliding block, the inner wall of the bottom of the end cover is fixedly connected with a limiting rod, one end of the limiting rod close to the center of the end cover is fixedly connected with a ring block, the top of the pump body is fixedly connected with an oil tank, the oil tank is characterized in that a vertical rod is movably connected inside the oil tank, a balancing weight is fixedly connected to the top of the vertical rod, and a communicating block is connected to the bottom of the balancing weight through a connecting rod in a transmission mode.

Preferably, the pump body is hollow, cavities are formed in the left side and the right side of the middle of the pump body, and the motor shaft is rotatably connected to the shaft center line of the pump body.

Preferably, the blades on the upper side and the lower side of the impeller are arranged in a reverse direction, a gap exists between the periphery of the impeller and the inner wall of the pump body, and the end cover is in a cone-shaped structure and provides conditions for pumping water for the pump body.

Preferably, the inside cavity of end cover, the gag lever post has been arranged to the bottom of end cover equiangular, the inner wall of end cover passes through gag lever post fixedly connected with ring piece, makes the inside filter screen that evenly is provided with of end cover.

Preferably, slider swing joint is in the periphery of gag lever post, the top elastic connection of activity dish is at the lower surface of fixed disk, the inside cavity of fixed disk, be connected through the filter screen between the hinge rod, make the activity dish not receive the rivers effect to make and can pop out downwards and pile up debris.

Preferably, the inside of oil tank is equipped with lubricating oil, the opening has been seted up to the bottom of oil tank, the balancing weight divide into two sets ofly, and a set of fixed connection is at the top of vertical pole, and another group's fixed connection is at the one end that the motor shaft was kept away from to the intercommunication piece, increases the inertia of vertical pole and intercommunication piece through the balancing weight.

Preferably, the inside of intercommunication piece has seted up the fluid pipeline, intercommunication piece swing joint is in the bottom of oil tank, oil tank inner structure is about motor shaft symmetrical arrangement, moves the intercommunication oil tank about through the intercommunication piece, and then control fluid drippage.

Advantageous effects

Compared with the prior art, the invention provides a novel mixed flow pump with low noise and stable operation, which has the following beneficial effects:

1. this novel mixed flow pump that low noise operation is stable, the end cover has been cup jointed through the bottom of the pump body, the pump body lasts to draw water during the operation, the activity dish receives rivers promotion jack-up that makes progress this moment, the hinge bar rotates to expand and increases filter screen interception area, it is nearest between the slider, when the pump body finishes the operation, receive spring elastic force effect, the activity dish moves down to reset, the transmission of cooperation hinge bar, keep away from dorsad between the slider, make the filter screen release to the downside and pile up debris, thereby reach the effect of releasing debris after the operation, improve equipment's filter effect.

2. This novel mixed flow pump that low noise operation is stable, there is vertical pole through the inside swing joint of oil tank, when the bearing body is great with the motor shaft friction, the pump body vibration is stronger this moment, the balancing weight receives inertia and elastic action in the oil tank, it controls about making vertical pole about or the intercommunication piece, along with the enhancement of intensity of vibration, the balancing weight vibration range increases, remove the intercommunication oil tank until the intercommunication piece, make the interior lubricating oil of oil tank drip to the bearing body on, thereby reach the effect based on intensity of vibration self-lubricating bearing, improve equipment's regulating power, the noise reduction.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic illustration of the operation of the present invention;

FIG. 3 is a schematic illustration of the lubrication of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 3 at B according to the present invention.

In the figure: 1. a pump body; 2. a motor shaft; 3. a bearing body; 4. an impeller; 5. an end cap; 6. fixing the disc; 7. a movable tray; 8. a hinge rod; 9. filtering with a screen; 10. a slider; 11. a limiting rod; 12. a ring block; 13. an oil tank; 14. a vertical rod; 15. a balancing weight; 16. a first connecting rod; 17. and (5) communicating the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-5, a novel mixed flow pump with low noise and stable operation comprises a pump body 1, a motor shaft 2 is rotatably connected to the center of the pump body 1, the pump body 1 is hollow, cavities are formed on the left and right sides of the middle of the pump body 1, the motor shaft 2 is rotatably connected to the axial center line of the pump body 1, a bearing body 3 is rotatably connected to the top periphery of the motor shaft 2, an impeller 4 is fixedly connected to the middle of the motor shaft 2, blades on the upper side and the lower side of the impeller 4 are reversely arranged, a gap exists between the periphery of the impeller 4 and the inner wall of the pump body 1, an end cover 5 is in a cone-shaped structure to provide conditions for pumping water of the pump body 1, an end cover 5 is sleeved at the bottom of the pump body 1, the end cover 5 is hollow, a limiting rod 11 is equiangularly arranged at the bottom of the end cover 5, a ring block 12 is fixedly connected to the inner wall of the end cover 5 through the limiting rod 11, so that a filter screen 9 is uniformly arranged inside the end cover 5, the inner wall of the bottom of the pump body 1 is fixedly connected with a fixed disc 6, the periphery of the bottom of the motor shaft 2 is movably connected with a movable disc 7, the end part of the movable disc 7 is hinged with a hinge rod 8, the front side and the back side of the hinge rod 8 are fixedly connected with filter screens 9, the bottom end of the hinge rod 8 is hinged with a slide block 10, the slide block 10 is movably connected with the periphery of a limit rod 11, the top of the movable disc 7 is elastically connected with the lower surface of the fixed disc 6, the fixed disc 6 is hollow, the hinge rods 8 are connected through the filter screens 9, the movable disc 7 can be ejected downwards to accumulate sundries without the action of water flow, the inner wall of the bottom of the end cover 5 is fixedly connected with the limit rod 11, one end of the limit rod 11 close to the center of the end cover 5 is fixedly connected with a ring block 12, the top of the pump body 1 is fixedly connected with an oil tank 13, the inside of the oil tank 13 is filled with lubricating oil, the bottom of the oil tank 13 is provided with through holes, the balancing weights 15 are divided into two groups, one group is fixedly connected with the top of the vertical rod 14, another a set of fixed connection is in the one end that motor shaft 2 was kept away from to intercommunication piece 17, increase vertical pole 14 and intercommunication piece 17's inertia through balancing weight 15, the inside swing joint of oil tank 13 has vertical pole 14, the top fixedly connected with balancing weight 15 of vertical pole 14, 16 transmissions of connecting rod are connected with intercommunication piece 17 in the bottom of balancing weight 15, the fluid pipeline has been seted up to the inside of intercommunication piece 17, intercommunication piece 17 swing joint is in the bottom of oil tank 13, oil tank 13 inner structure is about 2 symmetrical arrangement of motor shaft, remove intercommunication oil tank 13 through intercommunication piece 17 about, and then control fluid drippage.

The working process and principle are as follows: a motor shaft 2 is rotatably connected based on the central line of a pump body 1, an impeller 4 is fixedly connected to the middle of the motor shaft 2, when the motor shaft 2 rotates to operate, the impeller 4 rotates in the pump body 1 to suck water flow, a fixed disc 6 is fixedly connected to the inner wall of the bottom of the pump body 1, a movable disc 7 is elastically connected to the lower surface of the fixed disc 6, meanwhile, a sliding block 10 is connected to the end portion of the movable disc 7 through a hinge rod 8 in a transmission mode, at the moment, the movable disc 7 is pushed upwards and jacked up by the water flow, a hinge rod 8 rotates upwards and expands to increase the intercepting area of a filter screen 9, under the transmission of the hinge rod 8, the sliding blocks 10 move towards the nearest direction on a limiting rod 11, so that the movable disc 7, the hinge rod 8 and the filter screen 9 are recessed towards the interior of the pump body 1, the intercepting area of the pump body 1 is increased, when the pump body 1 finishes operating, the movable disc 7 moves downwards to reset under the action of the elastic force of a spring, and is matched with the transmission of the hinge rod 8, the sliding blocks 10 are away from each other in a back direction, so that the filter screen 9 pushes out accumulated sundries to the lower side, the effect of pushing out the sundries after the operation is finished is achieved, and the filtering effect of the equipment is improved.

In the rotating process of the motor shaft 2, as the top periphery of the motor shaft 2 rotates to be connected with the bearing body 3, when the friction between the bearing body 3 and the motor shaft 2 is small, the vibration of the pump body 1 is weak, the vibration amplitude of the balancing weight 15 in the oil tank 13 is weak under the action of inertia force and elasticity, the moving distance of the communicating block 17 in the oil tank 13 cannot communicate the space inside the oil tank 13 with the space at the bottom, when the friction between the bearing body 3 and the motor shaft 2 is large, the pump body 1 vibrates strongly at the moment, the counterweight block 15 in the oil tank 13 is under the action of inertia and elasticity, so that the vertical rod 14 moves up and down or the communicating block 17 moves left and right, the vibration amplitude of the counterweight block 15 is increased along with the enhancement of the vibration intensity until the communicating block 17 moves to communicate the oil tank 13, lubricating oil in the oil tank 13 drops onto the bearing body 3, the effect of self-lubricating bearing based on the vibration intensity is achieved, the adjusting capacity of the equipment is improved, and the noise is reduced.

In conclusion, this novel mixed flow pump that low noise operation is stable has cup jointed end cover 5 through the bottom of the pump body 1, pump body 1 continuously draws water during the operation, and activity dish 7 promotes upwards jack-up by the rivers this moment, and hinge bar 8 rotates to expand and increases the filter screen 9 interception area, and the distance is nearest between the slider 10, when the operation of pump body 1 completion, receives the spring elastic force effect, and activity dish 7 moves down to reset, and the transmission of cooperation hinge bar 8, keeping away from dorsad between the slider 10 makes filter screen 9 push out the side downwards and pile up debris to reach the effect of pushing out debris after the operation, improve equipment's filter effect.

And, this novel mixed flow pump of stable operation with low noise, there is vertical pole 14 through the inside swing joint of oil tank 13, when the friction of bearing body 3 and motor shaft 2 is great, the vibration of the pump body 1 is stronger this moment, balancing weight 15 receives inertia and elasticity effect in the oil tank 13, make vertical pole 14 move about from top to bottom or intercommunication piece 17, along with the enhancement of vibration intensity, balancing weight 15 vibration amplitude increases, it communicates oil tank 13 to remove until intercommunication piece 17, make the interior lubricating oil of oil tank 13 drip to on the bearing body 3, thereby reach the effect based on vibration intensity self-lubricating bearing, improve the regulating power of equipment, the noise reduction.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.