CN215830814U

CN215830814U - High-pressure fan with sound insulation and noise reduction functions

Info

Publication number: CN215830814U
Application number: CN202122238740.7U
Authority: CN
Inventors: 杨秀国
Original assignee: Xinshang Pet Food Zhejiang Co ltd
Current assignee: Xinshang Pet Food Zhejiang Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-02-15
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a high-pressure fan with sound insulation and noise reduction functions, and particularly relates to the technical field of high-pressure fans. Through rotating the arc, cause the mutual contact between two arcs, when high pressure positive blower during operation, the produced noise of high pressure positive blower can propagate to the cavity that forms between arc and the bottom plate, and the acoustical panel can absorb the inside noise that produces of cavity this moment to the noise that the separation produced when high pressure positive blower work propagates external formation noise pollution, and it is more convenient when making high pressure positive blower use.

Description

High-pressure fan with sound insulation and noise reduction functions

Technical Field

The utility model relates to the technical field of high-pressure fans, in particular to a high-pressure fan with sound insulation and noise reduction functions.

Background

High pressure positive blower is exactly the fan that has certain pressure and flow, this kind of fan mainly realizes blowing or induced draft function through the increase of pressure, also can realize induced drafting and blow and go on simultaneously, different functions are used in among the production of difference, high pressure positive blower all directly exposes in the air when using, and present high pressure positive blower during operation self pivot vibrations and radiator fan rotate the time and air contact all can produce great noise, can cause noise pollution to the environment on every side, consequently need a neotype high pressure positive blower who has the function of making an uproar that gives sound insulation and fall.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-pressure fan with sound insulation and noise reduction functions, so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a high pressure positive blower with function of making an uproar falls in giving sound insulation, includes high pressure positive blower, and high pressure positive blower's outside is provided with and is used for the sealing mechanism sealed to high pressure positive blower.

The sealing mechanism comprises a bottom plate and an arc-shaped plate, the lower end face of the high-pressure fan is installed at one end of the bottom plate through threaded connection, grooves used for rotation of the arc-shaped plate are formed in two sides of the bottom plate, supporting blocks are fixedly installed at the lower end of the arc-shaped plate, and the supporting blocks are installed in inner cavities of the grooves in a rotating mode through rotating shafts.

Preferably, the inner chamber both sides of recess are seted up and are used for two holes of placing of countershaft, and two are placed and communicate each other between the hole, and one side slidable mounting that high-pressure positive blower was kept away from to the arc has the acoustical panel, and one side that high-pressure positive blower was kept away from to the arc is provided with and is used for the fixed stop gear of acoustical panel.

Preferably, stop gear is including being used for sealed apron and the first connecting block to the arc board, the one end of first connecting block and one side fixed connection of arc, the both sides fixed mounting of apron have be used for with the first connecting block between interconnect's the second connecting block.

Preferably, one side of the second connecting block close to the first connecting block is fixedly provided with a supporting cylinder, one end of the supporting cylinder in the axial direction away from the second connecting block is fixedly provided with a first stop dog, one side of the first connecting block close to the second connecting block is provided with a round hole, and a limiting block used for limiting the first stop dog is slidably arranged in an inner cavity of the round hole.

Preferably, the one end fixed mounting that first connecting block was kept away from to the apron has the connecting cylinder, and inside slidable mounting has U type pole, and the one end of U type pole is pegged graft in the inner chamber of connecting cylinder and is extended to the outside of connecting cylinder, and the other end fixed mounting of U type pole has the second dog, and the second dog passes through second connecting block slidable mounting in the inner chamber of a supporting cylinder, and the radial outer wall of a supporting cylinder is offered and is used for the gliding spout of second dog.

Preferably, the inside fixed mounting of apron has the spring that is used for reseing to U type pole, and the inside fixed mounting of first connecting block has the shell fragment that is used for reseing the stopper.

Preferably, a sealing plate is fixedly mounted on the lower end surface of the cover plate.

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

through setting up acoustical panel and arc, after placing high pressure positive blower on the bottom plate and fixing through the bolt, rotate the arc, cause the mutual contact between two arcs, bottom plate and arc can form a cavity and wrap up high pressure positive blower this moment, when high pressure positive blower during operation, the produced noise of high pressure positive blower can be propagated in the cavity that forms between arc and the bottom plate, the acoustical panel can absorb the inside noise that produces of cavity this moment, thereby the noise that produces when the separation high pressure positive blower work is propagated external formation noise pollution, it is more convenient to make high pressure positive blower use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the main structure of the present invention.

Fig. 2 is a sectional view of the spacing mechanism of the present invention.

FIG. 3 is a schematic view of the main structure of the support block and the bottom plate of the present invention.

In the figure: 1. a high pressure fan; 2. a sealing mechanism; 21. an arc-shaped plate; 22. a support block; 23. a base plate; 24. a sound-absorbing panel; 25. a groove; 26. placing holes; 3. a limiting mechanism; 31. a first connection block; 32. a circular hole; 33. a cover plate; 34. a sealing plate; 35. a connecting cylinder; 36. a U-shaped rod; 37. a second connecting block; 38. a second stopper; 39. a support cylinder; 310. a first stopper; 311. a limiting block; 312. a spring plate; 313. a spring.

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 1

As shown in fig. 1 to 3, the utility model provides a high pressure fan with sound insulation and noise reduction functions, which comprises a high pressure fan 1, wherein a sealing mechanism 2 for sealing the high pressure fan 1 is arranged outside the high pressure fan 1, the sealing mechanism 2 comprises a bottom plate 23 and an arc-shaped plate 21, the lower end surface of the high pressure fan 1 is installed at one end of the bottom plate 23 through threaded connection, wherein an installation plate is fixedly installed outside the high pressure fan 1, and a threaded hole is formed in the outside of the installation plate, so that the installation plate can support the high pressure fan 1 on one hand, and the high pressure fan 1 can be fixed through the threaded connection on the other hand, and the connection between the high pressure fan 1 and the bottom plate 23 is more convenient.

The both sides of bottom plate 23 are offered and are used for arc 21 pivoted recess 25, wherein, arc 21 is installed two in the outside rotation of bottom plate 23, one side that bottom plate 23 was kept away from to two arcs 21 is connected through threaded connection's mode, thereby after two arcs 21 were accomplished through rotating, the one end of arc 21 can be fixed through threaded connection, thereby wrap up high pressure positive blower 1, the produced noise of 1 during operation of high pressure positive blower stops, make 1 produced noise pollution of high pressure positive blower reduce, it is more convenient when causing high pressure positive blower 1 to use.

The lower end of the arc plate 21 is fixedly provided with a supporting block 22, the supporting block 22 is rotatably arranged in the inner cavity of the groove 25 through a rotating shaft, and the supporting block 22 can provide a supporting point for the rotation of the arc plate 21, so that the arc plate 21 is more stable when rotating around the groove 25.

Two placing holes 26 used for placing the rotating shaft are formed in two sides of the inner cavity of the groove 25, the two placing holes 26 are communicated with each other, the arc plate 21 is pulled in a pulling mode, the rotating shaft slides to the inner cavity of the placing hole 26 far away from the bottom of the inner cavity of the groove 25, then the arc plate 21 is rotated, one end of the arc plate 21 is contacted with each other, then the arc plate 21 is fixed through a bolt, the arc plate 21 is pressed at the moment to slide to the other inner cavity of the placing hole 26, the lower end face of the arc plate 21 can be contacted with the upper end face of the bottom plate 23, and therefore the sealing performance between the arc plate 21 and the bottom plate 23 is improved, the influence degree of noise pollution generated when the high-pressure fan 1 works on the outside is reduced, and the use convenience of the high-pressure fan 1 is further improved.

One side slidable mounting that high pressure positive blower 1 was kept away from to arc 21 has acoustical panel 24, wherein, one side that high pressure positive blower 1 was kept away from to arc 21 offers the standing groove that is used for placing acoustical panel 24, one side that high pressure positive blower 1 was kept away from to arc 21 is provided with and is used for limiting mechanism 3 fixed to acoustical panel 24, after two arcs 21 passed through the bolt fastening, promote acoustical panel 24 to the inner chamber of standing groove in, the produced noise of high pressure positive blower 1 that is wrapped up by arc 21 this moment can be absorbed by acoustical panel 24, the noise pollution that high pressure positive blower 1 during operation caused the external world has been reduced.

Example 2

Referring to fig. 1-3, a further improvement is made on the basis of embodiment 1:

stop gear 3 is including being used for the sealed apron 33 and the first connecting block 31 to arc 21, one end of first connecting block 31 and one side fixed connection of arc 21, the both sides fixed mounting of apron 33 has the second connecting block 37 that is used for and interconnect between the first connecting block 31, after in the inner chamber of standing groove is installed to acoustical panel 24, place one side of arc 21 with apron 33, a side end face of apron 33 can contact each other with the one end of arc 21 this moment, seal the one end and the standing groove of arc 21 under the effect of apron 33 simultaneously, make acoustical panel 24 place more stably in the standing groove inner chamber, the leakproofness of arc 21 has further been increased simultaneously, the noise that produces when working high pressure positive blower 1 further carries out the separation.

A supporting cylinder 39 is fixedly installed on one side of the second connecting block 37 close to the first connecting block 31, a first stopper 310 is fixedly installed on one axial end of the supporting cylinder 39 far from the second connecting block 37, wherein the first stopper 310 is in a conical shape and is an object with a slope-shaped surface, a round hole 32 is formed on one side of the first connecting block 31 close to the second connecting block 37, a stopper 311 for limiting the first stopper 310 is slidably installed in the inner cavity of the round hole 32, wherein a conical groove is formed at one end where the first stopper 310 and the supporting cylinder 39 are connected with each other, the first stopper 310 slides into the inner cavity of the round hole 32 and contacts with one side of the stopper 311, then the cover plate 33 is pressed, so that the first stopper 310 slides in the inner cavity of the round hole 32, when the first stopper 310 slides to contact with one end of the stopper 311 close to the bottom of the inner cavity of the round hole 32, the stopper 311 stops the first stopper 310, so that the first stopper 310 is fixed in the inner cavity of the circular hole 32, so that the cover plate 33 is more firmly installed at one side of the arc plate 21.

The end of the cover plate 33 far away from the first connecting block 31 is fixedly provided with a connecting cylinder 35, and is internally slidably provided with a U-shaped rod 36, one end of the U-shaped rod 36 is inserted into the inner cavity of the connecting cylinder 35 and extends to the outside of the connecting cylinder 35, and the connecting cylinder 35 can limit the sliding track of the U-shaped rod 36, so that the sliding of the U-shaped rod 36 in the inner part of the cover plate 33 is more stable.

A second stopper 38 is fixedly mounted at the other end of the U-shaped rod 36, the second stopper 38 is slidably mounted in the inner cavity of the supporting cylinder 39 through a second connecting block 37, a sliding groove for sliding the second stopper 38 is formed in the radial outer wall of the supporting cylinder 39, wherein the second stopper 38 is conical, and the second stopper 38 can extend to the outside of the supporting cylinder 39 through the sliding groove, when the acoustical panel 24 is used for a long time, dust is easily accumulated on the outside of the acoustical panel 24, the noise reduction effect of the acoustical panel 24 on the high-pressure fan 1 is reduced, one axial end of the U-shaped rod 36 is pushed, the second stopper 38 can slide in the inner cavity of the supporting cylinder 39 and simultaneously contact with the side wall of the stopper 311, so that the stopper 311 slides in the inner cavity of the circular hole 32, one end of the second stopper 38 can slide in the inner cavity of the conical groove, and the stopper 311 and the first stopper 310 are separated from each other, then, the cover plate 33 is pulled so that the cover plate 33 is out of contact with one side and one end of the arc plate 21, so that the sound-deadening plate 24 can be detached from the inside of the arc plate 21, which makes it more convenient to detach the sound-deadening plate 24.

The spring 313 for resetting the U-shaped rod 36 is fixedly installed inside the cover plate 33, wherein the spring 313 has the characteristic of storing and releasing elastic potential energy, when one axial end of the U-shaped rod 36 is pressed, the spring 313 can be compressed, the elastic potential energy received by the spring 313 is stored, and after the pressing force applied to the outside of the U-shaped rod 36 disappears, the spring 313 can release the elastic potential energy of the spring 313, so that the U-shaped rod 36 is reset.

The inside fixed mounting of first connecting block 31 has the shell fragment 312 that is used for reseing stopper 311, shell fragment 312 possesses the characteristics of storing and releasing self elasticity, when one side of first dog 310 and second dog 38 and stopper 311 contacts each other, shell fragment 312 can be compressed, the elastic potential energy that receives to self simultaneously stores, after one side of first dog 310 and second dog 38 and stopper 311 breaks away from the contact, shell fragment 312 can release the elastic potential energy of self, and then reset stopper 311.

The lower terminal surface fixed mounting of apron 33 has closing plate 34, and when the one end of apron 33 and arc 21 contacted each other, the lower terminal surface of closing plate 34 can contact each other with the up end of bottom plate 23, and one side of both sides and arc 21 contacted each other simultaneously, and further the cavity that forms between arc 21 and the bottom plate 23 is sealed, has further kept off the noise that high pressure positive blower 1 during operation produced.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a high pressure positive blower with function of making an uproar falls in giving sound insulation, includes high pressure positive blower (1), its characterized in that: a sealing mechanism (2) used for sealing the high-pressure fan (1) is arranged outside the high-pressure fan (1);

sealing mechanism (2) include bottom plate (23) and arc (21), the lower terminal surface of high pressure positive blower (1) passes through threaded connection and installs the one end at bottom plate (23), the both sides of bottom plate (23) are offered and are used for arc (21) pivoted recess (25), the lower extreme fixed mounting of arc (21) has supporting shoe (22), supporting shoe (22) rotate through the pivot and install in the inner chamber of recess (25), one side slidable mounting that high pressure positive blower (1) was kept away from in arc (21) has acoustical panel (24).

2. The high-pressure fan with the sound insulation and noise reduction functions as claimed in claim 1, wherein two placing holes (26) for placing the rotating shaft are formed in two sides of the inner cavity of the groove (25), the two placing holes (26) are communicated with each other, and a limiting mechanism (3) for fixing the sound insulation plate (24) is arranged on one side of the arc-shaped plate (21) away from the high-pressure fan (1).

3. A high pressure fan with sound insulation and noise reduction functions as claimed in claim 2, wherein the limiting mechanism (3) comprises a cover plate (33) for sealing the arc-shaped plate (21) and a first connecting block (31), one end of the first connecting block (31) is fixedly connected with one side of the arc-shaped plate (21), and second connecting blocks (37) for connecting with the first connecting block (31) are fixedly arranged on two sides of the cover plate (33).

4. The high-pressure fan with the sound insulation and noise reduction functions as claimed in claim 3, wherein a supporting cylinder (39) is fixedly mounted on one side of the second connecting block (37) close to the first connecting block (31), a first stop block (310) is fixedly mounted on one end of the supporting cylinder (39) in the axial direction away from the second connecting block (37), a round hole (32) is formed in one side of the first connecting block (31) close to the second connecting block (37), and a limiting block (311) used for limiting the first stop block (310) is slidably mounted in an inner cavity of the round hole (32).

5. A high-pressure fan with sound insulation and noise reduction functions as claimed in claim 4, wherein a connecting cylinder (35) is fixedly installed at one end of the cover plate (33) far away from the first connecting block (31), a U-shaped rod (36) is slidably installed inside the connecting cylinder, one end of the U-shaped rod (36) is inserted into an inner cavity of the connecting cylinder (35) and extends to the outside of the connecting cylinder (35), a second stop block (38) is fixedly installed at the other end of the U-shaped rod (36), the second stop block (38) is slidably installed in an inner cavity of a supporting cylinder (39) through the second connecting block (37), and a sliding groove for sliding the second stop block (38) is formed in the radial outer wall of the supporting cylinder (39).

6. A high pressure fan with sound insulation and noise reduction functions as claimed in claim 5, wherein a spring (313) for resetting the U-shaped rod (36) is fixedly installed inside the cover plate (33), and an elastic sheet (312) for resetting the limiting block (311) is fixedly installed inside the first connecting block (31).

7. A high pressure fan with sound insulation and noise reduction functions as claimed in claim 3, wherein a sealing plate (34) is fixedly mounted on the lower end surface of the cover plate (33).