CN217300916U

CN217300916U - Outlet silencing structure of Roots blower

Info

Publication number: CN217300916U
Application number: CN202220331796.9U
Authority: CN
Inventors: 李镇; 曹凤娟; 李雪梅; 林桂杰
Original assignee: Shandong Sanniu Machinery Group Co ltd
Current assignee: Shandong Sanniu Machinery Group Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-08-26
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses an outlet silencing structure of a Roots blower, which comprises a blower main body, wherein wind grooves are respectively arranged at two sides of the blower main body, one side of the blower main body, which is close to the wind grooves, is fixedly connected with a filter screen cover, the wind outlet end of the blower main body is fixedly connected with a wind outlet pipe, a connecting pipe is laminated inside the wind outlet pipe, the inner wall of the wind outlet pipe and the outer wall of the connecting pipe are both fixedly connected with a sealing ring, one end of the connecting pipe, which is far away from the blower main body, is fixedly connected with a silencing pipe, the outer wall of the connecting pipe is provided with a groove, the sealing ring in the utility model is convenient to better seal the connecting pipe and the wind outlet pipe, is convenient to better carry out silencing work, an installation box and a sliding column in a limiting mechanism are convenient to better fix the silencing pipe, and the arrangement of limiting beads is convenient to better reduce the friction force between a movable plate and the installation box, make the dismouting of amortization pipe more convenient, support the setting of circle and avoid the spring to damage because of excessive shrink.

Description

Outlet silencing structure of Roots blower

Technical Field

The utility model relates to an amortization field especially relates to a roots blower's export amortization structure.

Background

Mufflers (silencers) are noise reducing devices for gas flow ducts that also have noise propagation, such as ducts and elbows lined with sound absorbing liners or ducts that use abrupt changes in cross-sectional area and other discontinuities in acoustic impedance. The muffler can attenuate or reflect noise in the pipeline, is called a resistive muffler, and is called a reactive muffler, and can reduce the exhaust noise of an engine and ensure that high-temperature exhaust gas can be safely and effectively exhausted.

The existing silencing pipe is slow in disassembly and assembly speed during cleaning, so that the working efficiency is reduced, and therefore an outlet silencing structure of the Roots blower is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that; the existing silencing pipe is slow in disassembly and assembly speed during cleaning, so that the working efficiency is reduced.

In order to solve the technical problem, the utility model discloses a technical scheme be: the outlet silencing structure of the Roots blower comprises a blower main body, wherein wind grooves are formed in two sides of the blower main body, a filter screen cover is fixedly connected to one side, close to the wind grooves, of the blower main body, an air outlet pipe is fixedly connected to the air outlet end of the blower main body, a connecting pipe is attached to the inside of the air outlet pipe, a sealing ring is fixedly connected to the inner wall of the air outlet pipe and the outer wall of the connecting pipe, a silencing pipe is fixedly connected to one end, away from the blower main body, of the connecting pipe, a groove is formed in the outer wall of the connecting pipe, a connecting frame is fixedly connected to one side, close to the air outlet pipe, of the blower main body, a limiting mechanism is fixedly connected to the middle of the connecting frame, and one end of the limiting mechanism penetrates through the air outlet pipe and is attached to the inner wall of the groove;

stop gear includes the install bin with link fixed connection, install bin inner wall bottom fixedly connected with spring, spring top fixedly connected with fly leaf, fly leaf week has inlayed a plurality of spacing pearls, fly leaf top fixedly connected with traveller, the traveller top is run through the install bin and rather than sliding connection, install bin inner wall fixedly connected with is to the circle, fly leaf bottom fixedly connected with stay cord, install bin and fixedly connected with pull ring are run through to the stay cord bottom.

Preferably, the blower main body is electrically connected with an external power supply, the blower main body is bonded with the filter screen cover, and the filter screen cover is made of stainless steel.

Preferably, the air duct is located inside the filter screen cover, the filter screen cover is bonded with the side wall of the main body of the blower, and the section of the air duct is arc-shaped.

Preferably, the inner wall of the connecting frame is bonded with the outer wall of the limiting mechanism, the connecting frame is bonded with the blower main body, and the connecting frame is made of stainless steel.

Preferably, the inner wall of the air outlet pipe and the outer wall of the connecting pipe are both bonded with a sealing ring, and the sealing ring is made of rubber.

Preferably, the inner wall of the connecting frame is bonded with the installation box, the connecting frame is annularly wrapped on the installation box, and the installation box is made of stainless steel.

Preferably, the two ends of the spring are respectively bonded with the movable plate and the inner wall of the installation box, and the movable plate is made of stainless steel.

Preferably, the cross section of the pull ring is circular, the pull ring is bonded with the pull rope, the pull rope is connected with the installation box in a sliding mode, and the pull ring is made of stainless steel materials.

The beneficial effects of the utility model are as follows:

the utility model discloses the setting of well sealing washer is convenient for better seal connecting pipe, outlet duct, is convenient for better carry out amortization work, and the setting of install bin and slide column is convenient for better among the stop gear fixes the hush pipe, and the setting of spacing pearl is convenient for better frictional force between reduction fly leaf and the install bin for the dismouting of hush pipe is more convenient, supports the setting of circle and avoids the spring to damage because of excessive shrink.

Drawings

Fig. 1 is a side view of the present invention;

fig. 2 is a schematic perspective view of the middle strainer cover of the present invention;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is a side view of the middle limiting mechanism of the present invention.

In the figure: 1. a blower main body; 2. an air duct; 3. a filter screen cover; 4. a sound-deadening tube; 5. a connecting pipe; 6. a groove; 7. a seal ring; 8. an air outlet pipe; 9. a connecting frame; 10. a limiting mechanism; 101. installing a box; 102. a spring; 103. a movable plate; 104. a limiting bead; 105. a traveler; 106. abutting against the ring; 107. pulling a rope; 108. and (4) a pull ring.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1-3, an outlet noise reduction structure of a roots blower comprises a blower body 1, wind grooves 2 are formed on both sides of the blower body 1, a filter screen cover 3 is fixedly connected to one side of the blower body 1 close to the wind grooves 2, an air outlet pipe 8 is fixedly connected to the air outlet end of the blower body 1, a connecting pipe 5 is attached to the inner portion of the air outlet pipe 8, a seal ring 7 is fixedly connected to the inner wall of the air outlet pipe 8 and the outer wall of the connecting pipe 5, a noise reduction pipe 4 is fixedly connected to one end of the connecting pipe 5 away from the blower body 1, a groove 6 is formed in the outer wall of the connecting pipe 5, a connecting frame 9 is fixedly connected to one side of the blower body 1 close to the air outlet pipe 8, a limiting mechanism 10 is fixedly connected to the middle portion of the connecting frame 9, one end of the limiting mechanism 10 penetrates through the air outlet pipe 8 and is attached to the inner wall of the groove 6, the blower body 1 is electrically connected with an external power supply, and the blower body 1 is attached to the filter screen cover 3, the filter screen cover 3 is made of stainless steel. The air duct 2 is located inside the filter screen cover 3, the filter screen cover 3 is bonded with the side wall of the air blower main body 1, and the section of the air duct 2 is arc-shaped. The inner wall of the connecting frame 9 is bonded with the outer wall of the limiting mechanism 10, the connecting frame 9 is bonded with the blower main body 1, and the connecting frame 9 is made of stainless steel. The inner wall of the air outlet pipe 8 and the outer wall of the connecting pipe 5 are both bonded with a sealing ring 7, and the sealing ring 7 is made of rubber.

As shown in fig. 1-4, the limiting mechanism 10 includes an installation box 101 fixedly connected to the connecting frame 9, a spring 102 is fixedly connected to the bottom of the inner wall of the installation box 101, a movable plate 103 is fixedly connected to the top end of the spring 102, a plurality of limiting beads 104 are embedded around the movable plate 103, a sliding column 105 is fixedly connected to the top end of the movable plate 103, the top end of the sliding column 105 penetrates through the installation box 101 and is slidably connected to the installation box 101, a supporting ring 106 is fixedly connected to the inner wall of the installation box 101, a pulling rope 107 is fixedly connected to the bottom of the movable plate 103, and a pulling ring 108 is fixedly connected to the bottom of the pulling rope 107 and penetrates through the installation box 101. The inner wall of the connecting frame 9 is bonded with the installation box 101, the connecting frame 9 annularly wraps the installation box 101, and the installation box 101 is made of stainless steel. Two ends of the spring 102 are respectively bonded with the movable plate 103 and the inner wall of the installation box 101, and the movable plate 103 is made of stainless steel. The section of pull ring 108 is circular, and pull ring 108 bonds with stay cord 107, and stay cord 107 and install bin 101 sliding connection, pull ring 108 are stainless steel.

The utility model discloses when using, two pull rings 108 of pulling, pull ring 108 drives fly leaf 103, traveller 105 descends, traveller 105 breaks away from recess 6, the mechanism takes out hush pipe 4 this moment, hush pipe 4 can be installed to reverse going on according to above-mentioned operation, setting up of sealing washer 7 is convenient for better connecting pipe 5, outlet duct 8 seals, be convenient for better carry out amortization work, install bin 101 is convenient for better hush pipe 4 to fix with traveller 105's setting in stop gear 10, the setting of spacing pearl 104 is convenient for better frictional force between reduction fly leaf 103 and the install bin 101, the setting of ring 106 is avoided spring 102 to damage because of excessive shrink.

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. An outlet silencing structure of a Roots blower, comprising a blower main body (1), characterized in that: the two sides of the blower main body (1) are both provided with air grooves (2), one side of the blower main body (1) close to the air grooves (2) is fixedly connected with a filter screen cover (3), an air outlet pipe (8) is fixedly connected with the air outlet end of the air blower main body (1), a connecting pipe (5) is attached to the inner part of the air outlet pipe (8), the inner wall of the air outlet pipe (8) and the outer wall of the connecting pipe (5) are both fixedly connected with a sealing ring (7), one end of the connecting pipe (5) far away from the blower main body (1) is fixedly connected with a silencing pipe (4), a groove (6) is arranged on the outer wall of the connecting pipe (5), one side of the blower main body (1) close to the air outlet pipe (8) is fixedly connected with a connecting frame (9), the middle part of the connecting frame (9) is fixedly connected with a limiting mechanism (10), and one end of the limiting mechanism (10) penetrates through the air outlet pipe (8) and is attached to the inner wall of the groove (6);

stop gear (10) include with link (9) fixed connection's install bin (101), install bin (101) inner wall bottom fixedly connected with spring (102), spring (102) top fixedly connected with fly leaf (103), fly leaf (103) week side has inlayed a plurality of spacing pearl (104), fly leaf (103) top fixedly connected with traveller (105), traveller (105) top is run through install bin (101) and rather than sliding connection, install bin (101) inner wall fixedly connected with is to circle (106), fly leaf (103) bottom fixedly connected with stay cord (107), install bin (101) and fixedly connected with pull ring (108) are run through to stay cord (107) bottom.

2. The roots blower outlet silencer structure as set forth in claim 1, wherein: the air blower is characterized in that the air blower main body (1) is electrically connected with an external power supply, and the air blower main body (1) is bonded with the filter screen cover (3).

3. The roots blower outlet silencer structure according to claim 1, wherein: the air duct (2) is located inside the filter screen cover (3), and the filter screen cover (3) is bonded with the side wall of the air blower main body (1).

4. The roots blower outlet silencer structure as set forth in claim 1, wherein: the inner wall of the connecting frame (9) is bonded with the outer wall of the limiting mechanism (10), and the connecting frame (9) is bonded with the blower main body (1).

5. The roots blower outlet silencer structure as set forth in claim 1, wherein: the inner wall of the air outlet pipe (8) and the outer wall of the connecting pipe (5) are both bonded with the sealing ring (7), and the sealing ring (7) is made of rubber.

6. The roots blower outlet silencer structure as set forth in claim 1, wherein: the inner wall of the connecting frame (9) is bonded with the installation box (101), and the connecting frame (9) is annularly wrapped on the installation box (101).

7. The roots blower outlet silencer structure as set forth in claim 1, wherein: two ends of the spring (102) are respectively bonded with the movable plate (103) and the inner wall of the installation box (101).

8. The roots blower outlet silencer structure according to claim 1, wherein: the section of the pull ring (108) is circular, the pull ring (108) is bonded with the pull rope (107), and the pull rope (107) is connected with the installation box (101) in a sliding mode.