CN215370223U

CN215370223U - Stable pump with noise reduction structure

Info

Publication number: CN215370223U
Application number: CN202121259567.2U
Authority: CN
Inventors: 杨仙国
Original assignee: Shanghai Wei Ying Fluid Equipment Co ltd
Current assignee: Shanghai Wei Ying Fluid Equipment Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-31
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a stable pump with a noise reduction structure, which comprises a pump body, an installation base and an upper cover, wherein the pump body is fixedly connected to the surface of the installation base, the installation base comprises a base, an upper plate, a guide post and a linkage rod, the upper surface of the base is provided with the movably connected upper plate, the movably connected linkage rod is arranged between the upper plate and the base, the upper end of the linkage rod is rotatably connected with the upper plate, a rotating pin is arranged at the joint of the upper plate and the linkage rod, the lower end of the linkage rod is provided with a sliding block which is rotatably connected, the sliding block is embedded in the base and is slidably connected with the base, the guide posts which are vertically distributed are fixedly connected at four corners of the base, and the upper plate is slidably connected with the guide posts. According to the utility model, the mounting base with the vibration damping mechanism is fixedly connected to the bottom of the body, so that the pump body can be conveniently and fixedly mounted, and meanwhile, the vibration generated during the working of the pump body is effectively reduced.

Description

Stable pump with noise reduction structure

Technical Field

The utility model relates to the technical field of mechanical pumps, in particular to a stable pump with a noise reduction structure.

Background

Gear pumps are rotary pumps that deliver or pressurize fluid by virtue of the change in working volume and movement created between a pump cylinder and a meshing gear. Two gears, pump body and front and back covers form two closed spaces, when the gears rotate, the space on the gear disengagement side becomes larger from smaller to larger to form vacuum to suck liquid, and the space on the gear engagement side becomes smaller from larger to smaller to squeeze liquid into the pipeline. The suction chamber and the discharge chamber are separated by a meshing line of two gears. The pressure at the discharge of the gear pump is entirely dependent on the amount of resistance at the pump outlet.

At present, gear pump in the market can produce the vibration at the during operation, arouses the resonance easily and increases the noise of during operation, and the pump body during operation itself also can produce the noise owing to the friction, causes noise pollution to operational environment. For this reason, a new technical solution needs to be designed for solution.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stable pump with a noise reduction structure, which solves the problem that the pump body in the prior art is inconvenient to use due to vibration generated during working.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a stabilize pump with structure of making an uproar falls, includes the pump body, installs base and upper shield, pump body fixed connection is on the surface of installation base, the installation base includes base, upper plate, guide post and gangbar, the upper surface of base is equipped with swing joint's upper plate, be equipped with swing joint's gangbar between upper plate and the base, the upper end and the upper plate of gangbar rotate to be connected and the junction is equipped with the rotational pin, the lower extreme of gangbar is equipped with the slider that rotates and is connected some, the slider is embedded in the base and with base sliding connection, the four corners fixedly connected with vertical distribution's of base guide post, upper plate and guide post sliding connection, upper shield fixed connection is on the surface of installation base, the inside lining of making an uproar falls in the inner wall fixedly connected with of upper shield.

As an improvement of the technical scheme, sleeves are fixedly connected to the lower surface of the upper plate, correspond to the guide posts one by one and are connected with the guide posts in a sliding mode.

As an improvement of the technical scheme, the linkage rods are distributed in an inverted 'splayed' shape, a buffer spring is arranged between the two sliding blocks, and a spring column is arranged at the joint of the sliding blocks and the buffer spring.

As an improvement of the technical scheme, the noise reduction lining is made of a foaming material, and the inner wall of the noise reduction lining is provided with sound absorption holes which are uniformly distributed.

As an improvement of the technical scheme, the side wall of the upper cover is provided with a U-shaped groove, and the bottom edge of the upper cover is provided with a fixing plate with a mounting hole.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the mounting base with the vibration reduction mechanism is fixedly connected to the bottom of the body, so that the pump body can be conveniently and fixedly mounted, and meanwhile, the vibration generated when the pump body works is effectively reduced, thereby avoiding the noise generated due to resonance when the pump body works.

2. According to the utility model, the linkage rods which are distributed in an inverted splayed shape are arranged between the upper plate and the base, and the buffer springs are arranged between the slide blocks, so that the vibration amplitude of the pump body during working is conveniently amplified, vibration can be better reduced, and the working stability of the pump body is greatly improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a stabilized pump with a noise reduction structure according to the present invention;

FIG. 2 is a side cross-sectional structural view of a stabilized pump having a noise reducing structure according to the present invention.

In the figure: the noise reduction pump comprises a pump body-1, a mounting base-2, an upper cover-3, a base-4, an upper plate-5, a guide column-6, a linkage rod-7, a rotating pin-8, a sliding block-9, a noise reduction lining-10, a sleeve-11, a buffer spring-12, a spring column-13, a sound absorption hole-14, a U-shaped groove-15 and a fixing plate-16.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a stable pump with a noise reduction structure comprises a pump body 1, a mounting base 2 and an upper cover 3, wherein the pump body 1 is fixedly connected on the surface of the mounting base 2, the mounting base 2 comprises a base 4, an upper plate 5, a guide post 6 and a linkage rod 7, the upper surface of the base 4 is provided with the upper plate 5 which is movably connected, a linkage rod 7 which is movably connected is arranged between the upper plate 5 and the base 4, the upper end of the linkage rod 7 is rotatably connected with the upper plate 5, a rotating pin 8 is arranged at the joint, the lower end of the linkage rod 7 is provided with a slide block 9 which is rotatably connected, the slide block 9 is embedded in the base 4 and is connected with the base 4 in a sliding way, the four corners of the base 4 are fixedly connected with guide posts 6 which are vertically distributed, the upper plate 5 is connected with the guide posts 6 in a sliding way, the upper cover 3 is fixedly connected to the surface of the mounting base 2, and the inner wall of the upper cover 3 is fixedly connected with a noise reduction lining 10.

Further improved, the lower fixed surface of upper plate 5 is connected with sleeve 11, sleeve 11 and guide post 6 one-to-one and with guide post 6 sliding connection, through the bottom fixedly connected with sleeve 11 at upper plate 5, stability when improving the activity of upper plate 5 avoids upper plate 5 dislocation and leads to pump body 1 work unstably.

Further improved ground, the gangbar 7 is the distribution of "eight" characters of inversion form, two be equipped with buffer spring 12 between the slider 9, the slider 9 is equipped with spring post 13 with buffer spring 12's junction, through adopting the gangbar 7 design of "eight" characters of inversion form, conveniently enlargies the vibration range that upper plate 5 received, cooperates buffer spring 12 to improve the damping effect of installation base 2 to pump body 1 during operation greatly.

Further improved, the noise reduction lining 10 is made of a foaming material, the inner wall of the noise reduction lining 10 is provided with the sound absorption holes 14 which are uniformly distributed, the sound absorption holes 14 which are uniformly distributed are formed in the surface of the noise reduction lining 10, noise generated when the pump body 1 works can be absorbed conveniently, and the noise reduction effect of the pump body 1 is greatly improved by matching the foaming material.

In a specific improvement mode, a U-shaped groove 15 is formed in the side wall of the upper cover 3, a fixing plate 16 with a mounting hole is arranged at the bottom edge of the upper cover 3, and the U-shaped groove 15 is formed in the side wall of the upper cover 3, so that the input end of the pump body 1 is conveniently connected with other working components.

The utility model comprises a pump body-1, an installation base-2, an upper cover-3, a base-4, an upper plate-5, a guide post-6, a linkage rod-7, a rotating pin-8, a slide block-9, a noise reduction lining-10, a sleeve-11, a buffer spring-12, a spring post-13, a sound absorption hole-14, a U-shaped groove-15 and a fixing plate-16, wherein the components are all universal standard components or components known by technicians in the field, and the structure and the principle of the components can be known by technical manuals or conventional experimental methods, the utility model effectively reduces the vibration generated when the pump body 1 works by fixedly connecting the installation base 2 with a vibration reduction mechanism at the bottom of the body, facilitates the fixed installation of the pump body 1, and effectively reduces the vibration generated when the pump body 1 works so as to avoid the noise generated by resonance when the pump body 1 works, the cooperation covers at the upper shield 3 on the surface of the pump body 1, reduces the work sound of the pump body 1 self and spills over, has improved the noise reduction effect of the pump body 1 greatly.

When the vibration-damping pump works, an external working component is connected with the input end of the pump body 1, the pump body 1 generates high-frequency small-amplitude vibration when working, the linkage rod 7 is driven to move by the upper plate 5, the buffer spring 12 is squeezed by the sliding block 9, so that the impact of the vibration is relieved, the vibration caused by resonance when the pump body 1 works is reduced, the working noise of the pump body 1 is absorbed by the porous noise-damping lining 10 on the inner wall of the upper cover 3, and the noise generated when the pump body 1 works is greatly reduced.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a stabilize pump with structure of making an uproar falls, includes the pump body (1), installs base (2) and upper shield (3), its characterized in that: the pump body (1) is fixedly connected to the surface of the mounting base (2), the mounting base (2) comprises a base (4), an upper plate (5), a guide post (6) and a linkage rod (7), the upper surface of the base (4) is provided with the upper plate (5) which is movably connected, the linkage rod (7) which is movably connected is arranged between the upper plate (5) and the base (4), the upper end of the linkage rod (7) is rotatably connected with the upper plate (5), a rotating pin (8) is arranged at the joint, the lower end of the linkage rod (7) is provided with a slide block (9) which is rotatably connected, the slide block (9) is embedded in the base (4) and is slidably connected with the base (4), the guide posts (6) which are vertically distributed are fixedly connected at four corners of the base (4), the upper plate (5) is slidably connected with the guide post (6), and the upper cover (3) is fixedly connected to the surface of the mounting base (2), the inner wall of the upper cover (3) is fixedly connected with a noise reduction lining (10).

2. A stabilized pump having a noise reducing structure according to claim 1, wherein: the lower surface fixedly connected with sleeve (11) of upper plate (5), sleeve (11) and guide post (6) one-to-one and with guide post (6) sliding connection.

3. A stabilized pump having a noise reducing structure according to claim 1, wherein: the linkage rod (7) is distributed in an inverted 'splayed' shape, a buffer spring (12) is arranged between the two sliding blocks (9), and a spring column (13) is arranged at the joint of the sliding blocks (9) and the buffer spring (12).

4. A stabilized pump having a noise reducing structure according to claim 1, wherein: the noise reduction lining (10) is made of a foaming material, and sound absorption holes (14) are uniformly distributed in the inner wall of the noise reduction lining (10).

5. A stabilized pump having a noise reducing structure according to claim 1, wherein: the side wall of the upper cover (3) is provided with a U-shaped groove (15), and the bottom edge of the upper cover (3) is provided with a fixing plate (16) with a mounting hole.