CN212177525U

CN212177525U - Novel silent centrifugal pump

Info

Publication number: CN212177525U
Application number: CN202020463813.5U
Authority: CN
Inventors: 顾军
Original assignee: Shanghai Liansheng Pump Manufacturing Co ltd
Current assignee: Shanghai Liansheng Pump Manufacturing Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-18
Anticipated expiration: 2030-04-02

Abstract

The utility model relates to a centrifugal pump technical field just discloses a novel silence centrifugal pump, the on-line screen storage device comprises a base, the equal fixed mounting in both sides at base top has the fixed block, the top fixedly connected with telescopic link of fixed block. This novel silence centrifugal pump, through in the centrifugal pump use, when producing vibrations, utilize the cooperation of telescopic link and second spring, the centrifugal pump to on the fixing base cushions the shock attenuation once, and when the centrifugal pump produces vibrations, the fixing base pushes down the connecting rod and drives the slider and slide and extrude first spring to the both sides of slide bar, thereby the vibrations to the centrifugal pump production carry out the secondary and cushion the shock attenuation, the vibration and noise reduction effect when having improved the centrifugal pump use, cooperate the cotton layer of sound absorption and "Z" style of calligraphy louvre of silence machine incasement simultaneously, utilize the cotton layer of sound absorption to absorb the noise that the motor start-up in-process produced when guaranteeing the normal radiating of motor, thereby the noise in the centrifugal pump use has been reduced.

Description

Novel silent centrifugal pump

Technical Field

The utility model relates to a centrifugal pump technical field specifically is a novel silence centrifugal pump.

Background

The centrifugal pump works by utilizing the rotation of an impeller to enable water to generate centrifugal motion, before the water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, a pump shaft drives the impeller and the water to generate high-speed rotation motion, the water generates centrifugal motion and is thrown to the outer edge of the impeller, and the water flows into a water pressure pipeline of the water pump through a flow channel of a volute-shaped pump shell.

However, the existing centrifugal pump is usually fixedly mounted on the fixed seat, but when the centrifugal pump is used, the impeller on the motor-driven rotating shaft rotates at a high speed to generate large vibration, so that the stability of the centrifugal pump in use is influenced, certain noise is generated, and meanwhile, the filter screen of the existing centrifugal pump is fixed in the water inlet of the centrifugal pump, and the filter holes are easily blocked by impurities in water in the use process to influence the service life of the filter screen.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a novel silence centrifugal pump, possess and to improve filter effect and filter screen life, the effectual advantage of vibration/noise reduction, it is fixed mounting usually on the fixing base to have solved current centrifugal pump, but the centrifugal pump is when using, because the epaxial impeller high-speed rotation of motor drive pivot, can produce great vibrations, consequently, stability when not only can influencing the centrifugal pump use, and can produce certain noise simultaneously, and simultaneously, current centrifugal pump filter screen is through also fixing inside the centrifugal pump water inlet, the problem that filter screen life has been influenced by the impurity jam filtration pore of aquatic in the use easily.

The utility model provides a following technical scheme: the utility model provides a novel silence centrifugal pump, the on-line screen storage device comprises a base, the equal fixed mounting in both sides at base top has the fixed block, the top fixedly connected with telescopic link of fixed block, the top movable sleeve of telescopic link is equipped with the second spring, and the top fixedly connected with fixing base of telescopic link, one side fixedly connected with silence machine case at fixing base top, silence machine incasement fixed mounting has the motor, fixed cover is equipped with the pivot on the output shaft of motor, it inhales the cotton layer of sound to surround on the inner wall of silence machine case, and has seted up the louvre on the inner wall of silence machine case, the top fixedly connected with of fixing base is located the pump body of silence machine case one side, the fixed cover of one end of pivot is equipped with.

Preferably, the one end movable sleeve of pivot is equipped with the mount that is located impeller one side, and the fixed cover of one end of pivot is equipped with the crushing knife tackle that is located mount one side, one side that the pump body inner chamber is close to crushing knife tackle is equipped with the water inlet, and the right delivery port is established at the top of pump body inner chamber, the mount cup joints with the inner wall of water inlet is fixed.

Preferably, the quantity of fixed block has two, two fixed cover has connect the slide bar between the fixed block, the equal movable sleeve in both ends of slide bar is equipped with first spring, and the equal movable sleeve in slide bar both ends is equipped with the slider that is located first spring one side, the top of slider articulates there is the connecting rod, the top of connecting rod is in the same place with the bottom middle part of fixing base is articulated.

Preferably, one end of the first spring is fixedly connected with the side surface of the fixed block, and one end of the first spring is fixedly connected with the side surface of the sliding block.

Preferably, a movable groove is formed in the inner wall of the water inlet, an elastic cushion is fixedly connected to the inner wall of the movable groove, a sliding groove located below the movable groove is formed in the water inlet, a third spring is fixedly connected to one side of the inner cavity of the sliding groove, and a filter screen is fixedly connected to one end of the third spring.

Preferably, the filter screen is I-shaped, the middle part of the I-shaped filter screen is movably sleeved with the movable groove and movably connected with the elastic pad, and the bottom of the filter screen is movably sleeved with the sliding groove.

Preferably, the top of the second spring is fixedly connected with the bottom of the fixed seat, and the bottom of the second spring is fixedly connected with the top of the larger end of the telescopic rod in diameter value.

Preferably, the heat dissipation holes are Z-shaped, and the heat dissipation holes penetrate through the sound absorption cotton layer and the mute case.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this novel silence centrifugal pump, through in the centrifugal pump use, when producing vibrations, utilize the cooperation of telescopic link and second spring, the centrifugal pump to on the fixing base cushions the shock attenuation once, and when the centrifugal pump produces vibrations, the fixing base pushes down the connecting rod and drives the slider and slide and extrude first spring to the both sides of slide bar, thereby the vibrations to the centrifugal pump production carry out the secondary and cushion the shock attenuation, the vibration and noise reduction effect when having improved the centrifugal pump use, cooperate the cotton layer of sound absorption and "Z" style of calligraphy louvre of silence machine incasement simultaneously, utilize the cotton layer of sound absorption to absorb the noise that the motor start-up in-process produced when guaranteeing the normal radiating of motor, thereby the noise in the centrifugal pump use has been reduced.

2. This novel silence centrifugal pump, through the crushing knife tackle that is located centrifugal pump water inlet department, it rotates to drive crushing knife tackle to drive the epaxial impeller pivoted of rotation at motor start-up, smash the great impurity of aquatic that gets into through the water inlet, and utilize the filter screen to intercept aquatic impurity and filter, avoid the centrifugal pump by the condition of great impurity jam in the use, improve the life of centrifugal pump, and utilize the movable groove, the cooperation of sliding tray and third spring, make the filter screen can the horizontal vibrations in the use, and then can shake out the impurity of jam in the filter screen filtration pore, avoid the filter screen to take place to block up, thereby improve the filter effect and the life of filter screen.

Drawings

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

FIG. 2 is an enlarged view of the structure A of the present invention;

fig. 3 is a schematic view of the mute cabinet of the present invention.

In the figure: 1. a base; 2. a fixed block; 201. a slide bar; 202. a first spring; 203. a slider; 204. A connecting rod; 3. a telescopic rod; 4. a second spring; 5. a fixed seat; 6. a mute case; 7. a motor; 8. A rotating shaft; 9. a sound absorbing cotton layer; 10. heat dissipation holes; 11. a pump body; 12. an impeller; 13. a flow guide hole; 14. A fixed mount; 15. a crushing cutter set; 16. a water inlet; 161. a movable groove; 162. an elastic pad; 163. a sliding groove; 164. a third spring; 165. a filter screen; 17. and (7) a water outlet.

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.

Referring to fig. 1-3, a novel silent centrifugal pump comprises a base 1, two fixed blocks 2 are fixedly mounted on both sides of the top of the base 1, two fixed blocks 2 are provided, a sliding rod 201 is fixedly sleeved between the two fixed blocks 2, a first spring 202 is movably sleeved on both ends of the sliding rod 201, one end of the first spring 202 is fixedly connected with the side surface of the fixed block 2, one end of the first spring 202 is fixedly connected with the side surface of a sliding block 203, a sliding block 203 positioned on one side of the first spring 202 is movably sleeved on both ends of the sliding rod 201, a connecting rod 204 is hinged on the top of the sliding block 203, the top of the connecting rod 204 is hinged with the middle part of the bottom end of a fixed seat 5, the centrifugal pump on the fixed seat 5 is once buffered and damped by the cooperation of a telescopic rod 3 and a second spring 4, and when the centrifugal pump generates vibration, the fixed seat 5 presses the connecting rod 204 to drive the sliding, thereby carrying out secondary buffering and shock absorption on the shock generated by the centrifugal pump, the device can carry out double buffering and shock absorption in the using process of the centrifugal pump, the shock absorption and noise reduction effects are better, and simultaneously the stability in the using process of the centrifugal pump is also improved, the top of the fixed block 2 is fixedly connected with the telescopic rod 3, the top of the telescopic rod 3 is movably sleeved with the second spring 4, the top of the second spring 4 is fixedly connected with the bottom of the fixed seat 5, the bottom of the second spring 4 is fixedly connected with the top of the larger diameter end of the telescopic rod 3, the top of the telescopic rod 3 is fixedly connected with the fixed seat 5, one side of the top of the fixed seat 5 is fixedly connected with the mute case 6, the motor 7 is fixedly arranged in the mute case 6, the rotating shaft 8 is fixedly sleeved on the output shaft of the motor 7, the sound absorption cotton layer 9 is wound on, the heat dissipation holes 10 are Z-shaped, the heat dissipation holes 10 penetrate through the sound-absorbing cotton layer 9 and the mute case 6, the contact area and time of the noise generated by the motor 7 and the sound-absorbing cotton layer 9 can be prolonged by the aid of the Z-shaped heat dissipation holes 10, the noise generated when the motor 7 is started can be better absorbed by the sound-absorbing cotton layer 9, the mute effect of the centrifugal pump is improved, the top of the fixing seat 5 is fixedly connected with a pump body 11 positioned on one side of the mute case 6, one end of the rotating shaft 8 is fixedly sleeved with an impeller 12 positioned inside the pump body 11, a flow guide hole 13 is formed inside the impeller 12, one end of the rotating shaft 8 is movably sleeved with a fixing frame 14 positioned on one side of the impeller 12, one end of the rotating shaft 8 is fixedly sleeved with a crushing cutter set 15 positioned on one side of the fixing frame 14, and when the motor 7 is started, the crushing cutter set 15 can be, when the filter screen 165 is used for filtering impurities, thereby avoiding the situation that the centrifugal pump is blocked by the impurities in water, one side of the inner cavity of the pump body 11 close to the crushing cutter set 15 is provided with the water inlet 16, the inner wall of the water inlet 16 is provided with the movable groove 161, the inner wall of the movable groove 161 is fixedly connected with the elastic pad 162, the inner part of the water inlet 16 is provided with the sliding groove 163 positioned below the movable groove 161, one side of the inner cavity of the sliding groove 163 is fixedly connected with the third spring 164, in the using process of the filter screen 165, due to the impact of water, the filter screen 165 can be driven to move in the sliding groove 163 and compress the third spring 164, meanwhile, the filter screen 165 can be driven to move in the movable groove 161 and extrude the elastic pad 162, under the condition that the filter screen 165 is normally used, the impurities blocked in the filter holes of the filter screen 165 can, one end of the third spring 164 is fixedly connected with a filter screen 165, the filter screen 165 is in an "i" shape, the middle part of the filter screen 165 in the "i" shape is movably sleeved with the movable groove 161 and movably connected with the elastic pad 162, the bottom of the filter screen 165 is movably sleeved with the sliding groove 163, the top of the inner cavity of the pump body 11 is provided with a right water outlet 17, and the fixing frame 14 is fixedly sleeved with the inner wall of the water inlet 16.

The working principle is as follows: firstly, the impeller 12 on the rotating shaft 8 and the crushing cutter set 15 are driven to rotate by the starting motor 7, impurities in water entering through the water inlet 16 are crushed by the crushing cutter set 15, the impurities are filtered by the filter screen 165, in the process, the filter screen 165 can be driven to move in the sliding groove 163 and compress the third spring 164 due to the impact of water, meanwhile, the filter screen 165 can be driven to move in the moving groove 161 and extrude the elastic cushion 162, under the condition of ensuring the normal use of the filter screen 165, the impurities blocked in the filter holes of the filter screen 165 can be shaken off, then, the sound-absorbing cotton layer 9 is used for absorbing the noise generated when the motor 7 is started under the condition of ensuring the normal heat dissipation of the motor 7 in the mute case 6 by using the heat dissipation holes 10 penetrating through the sound-absorbing cotton layer 9 and the mute case 6, finally, when the centrifugal pump is used and generates vibration, the matching of the telescopic rod 3 and the second spring 4, the centrifugal pump on the fixing base 5 is subjected to primary buffering and damping, and when the centrifugal pump generates vibration, the fixing base 5 presses the connecting rod 204 downwards to drive the sliding block 203 to slide towards the two sides of the sliding rod 201 and extrude the first spring 202, so that secondary buffering and damping are performed on the vibration generated by the centrifugal pump.

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.

Claims

1. The utility model provides a novel silence centrifugal pump, includes base (1), its characterized in that: the improved mute structure is characterized in that fixed blocks (2) are fixedly mounted on two sides of the top of the base (1), a telescopic rod (3) is fixedly connected to the top of the fixed block (2), a second spring (4) is movably sleeved on the top of the telescopic rod (3), a fixed seat (5) is fixedly connected to the top of the telescopic rod (3), a mute case (6) is fixedly connected to one side of the top of the fixed seat (5), a motor (7) is fixedly mounted in the mute case (6), a rotating shaft (8) is fixedly sleeved on an output shaft of the motor (7), a sound-absorbing cotton layer (9) is wound on the inner wall of the mute case (6), heat dissipation holes (10) are formed in the inner wall of the mute case (6), a pump body (11) located on one side of the mute case (6) is fixedly connected to the top of the fixed seat (5), an impeller (12) located inside the pump body, a flow guide hole (13) is formed in the impeller (12).

2. The novel silent centrifugal pump as claimed in claim 1, wherein: the one end movable sleeve of pivot (8) is equipped with mount (14) that are located impeller (12) one side, and the fixed cover of one end of pivot (8) is equipped with crushing knife tackle (15) that are located mount (14) one side, one side that the pump body (11) inner chamber is close to crushing knife tackle (15) is equipped with water inlet (16), and the top of pump body (11) inner chamber establishes right delivery port (17), mount (14) cup joints with the inner wall fixed of water inlet (16).

3. The novel silent centrifugal pump as claimed in claim 1, wherein: the quantity of fixed block (2) has two, two fixed cover has connect slide bar (201) between fixed block (2), the equal movable sleeve in both ends of slide bar (201) is equipped with first spring (202), and the equal movable sleeve in slide bar (201) both ends is equipped with slider (203) that are located first spring (202) one side, the top of slider (203) articulates there is connecting rod (204), the top of connecting rod (204) is together articulated with the bottom middle part of fixing base (5).

4. A novel silent centrifugal pump according to claim 3, characterized in that: one end of the first spring (202) is fixedly connected with the side face of the fixed block (2), and one end of the first spring (202) is fixedly connected with the side face of the sliding block (203).

5. The novel silent centrifugal pump as claimed in claim 2, wherein: the utility model discloses a water inlet, including water inlet (16), fixed connection has seted up movable groove (161) on the inner wall of water inlet (16), fixed connection cushion (162) on the inner wall of movable groove (161), sliding tray (163) that are located movable groove (161) below are seted up to the inside of water inlet (16), one side fixedly connected with third spring (164) of sliding tray (163) inner chamber, the one end fixedly connected with filter screen (165) of third spring (164).

6. The novel silent centrifugal pump as claimed in claim 5, wherein: the filter screen (165) is I-shaped, the middle part of the I-shaped filter screen (165) is movably sleeved with the movable groove (161) and movably connected with the elastic pad (162), and the bottom of the filter screen (165) is movably sleeved with the sliding groove (163).

7. The novel silent centrifugal pump as claimed in claim 1, wherein: the top of second spring (4) and the bottom fixed connection of fixing base (5), and the top fixed connection of the great end of bottom and telescopic link (3) diameter value of second spring (4).

8. The novel silent centrifugal pump as claimed in claim 1, wherein: the radiating holes (10) are Z-shaped, and the radiating holes (10) penetrate through the sound-absorbing cotton layer (9) and the mute case (6).