CN218913292U

CN218913292U - Resistance-type fan silencer

Info

Publication number: CN218913292U
Application number: CN202320170637.XU
Authority: CN
Inventors: 魏连功; 刘臣; 姜岳水; 郑绪涛
Original assignee: Shandong Tefeng Fan Manufacturing Co ltd
Current assignee: Shandong Tefeng Fan Manufacturing Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-04-25
Anticipated expiration: 2033-02-09

Abstract

The utility model discloses a baffle type fan silencer which comprises a silencer shell, wherein the bottom end of the silencer shell is connected with a bottom plate through a lifting device, and the lifting device is rotationally connected to the side wall of the silencer shell through a rotating shaft. This hinder piece formula fan muffler can drive draw-in lever and inside breaking away from of draw-in groove through the pulling handle, and the fly leaf can slide along the fixed plate inner wall this moment, and this kind of mode can adjust the not co-altitude of muffler casing, and then satisfies the user demand of equipment to after adjusting, the staff can loosen the handle, can drive the draw-in lever under limit spring's reset effect and insert inside the draw-in groove, realize the spacing installation effect of again, guarantee the stability of muffler after adjusting.

Description

Resistance-type fan silencer

Technical Field

The utility model relates to the technical field of silencers, in particular to a resistance-type fan silencer.

Background

The fan silencer is a device which can make the air flow smoothly pass through the device to effectively reduce noise, and can be divided into four types of resistance, compound type and exhaust emptying type according to the form of the fan silencer.

The conventional silencer is generally connected through a transmission pipe, but the position of the transmission pipe is inconvenient to adjust under different use conditions, so that the fan silencer cannot be installed in partial environments, and the problem of low utilization rate of the fan silencer is caused.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the silencer of the resistance sheet type fan, the clamping rod can be driven to be separated from the inside of the clamping groove by pulling the handle, the movable plate can slide along the inner wall of the fixed plate at the moment, the different heights of the silencer shell can be adjusted in the mode, the use requirements of equipment are further met, after the silencer is adjusted, a worker can loosen the handle, the clamping rod can be driven to be inserted into the inside of the clamping groove under the reset action of the limiting spring, the re-limiting installation effect is realized, the stability of the silencer after adjustment is guaranteed, and the like, and the problems raised by the background art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a hinder piece formula fan muffler, includes the muffler casing, muffler casing bottom is connected with the bottom plate through elevating gear, elevating gear rotates and connects in muffler casing lateral wall through the pivot.

Preferably, the lifting device comprises a fixed plate, a movable plate and a limiting assembly, wherein the movable plate is fixedly connected to the bottom end of the silencer shell, one end of the fixed plate is fixedly connected to the top of the bottom plate, the other end of the fixed plate is sleeved on the movable plate, the fixed plate is connected to the movable plate through the limiting assembly, and the lifting device can change the use height of the silencer, so that different use requirements are met.

Preferably, the limiting component comprises a fixed cylinder, a clamping rod and a clamping groove, the fixed cylinder is fixedly connected to the outer wall of the fixed plate, the clamping groove is provided with a plurality of groups, the clamping groove is vertically formed in the side wall of the movable plate, the clamping rod penetrates through the fixed cylinder and is correspondingly arranged with the clamping groove, and the limiting component can be used for preventing the movable plate from falling off from the fixed cylinder.

Preferably, the limiting spring is wound on the outer wall of the clamping rod, the handle is fixedly connected with one end, far away from the clamping groove, of the clamping rod, and one end of the limiting spring is connected with the handle, and the other end of the limiting spring is connected with the fixing cylinder.

Preferably, the muffler shell side wall fixedly connected with and pivot coaxial distribution's arc, fly leaf top fixedly connected with fixed block, fixed block inner wall threaded connection has positioning bolt, the screw hole that corresponds with positioning bolt has been seted up to the arc outer wall.

Preferably, the threaded holes are provided with a plurality of groups, and the plurality of groups of threaded holes are coaxially distributed at the axis of the arc-shaped plate, so that the muffler can perform a plurality of angle changes.

The beneficial effects are that:

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

1. this hinder piece formula fan muffler through setting up bottom plate, fixed plate, fly leaf, fixed cylinder, draw-in lever, draw-in groove, spacing spring and handle, can drive draw-in lever and inside breaking away from of draw-in groove through pulling the handle, the fly leaf can slide along the fixed plate inner wall this moment, this kind of mode can adjust the not co-altitude of muffler casing, and then satisfy the user demand of equipment, and after adjusting, the staff can loosen the handle, can drive the draw-in lever under spacing spring's reset effect and insert inside the draw-in groove, realize spacing installation effect again, guarantee the stability of muffler after adjusting.

2. This hinder piece formula fan muffler through setting up fixed block, arc, screw hole and positioning bolt, thereby the staff can rotate the muffler and make it rotate with pivot axis department, and the staff can pass through the rotation positioning bolt to make it carry out threaded connection with the screw hole of different positions, thereby make to rotate and carry out spacing fixedly after the different positions, this kind of mode can change the longitudinal position of muffler, thereby further increase the application range of equipment.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a limiting assembly according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is a schematic view of the left side structure of the present utility model.

In the figure: 1. a muffler housing; 211. a bottom plate; 212. a fixing plate; 213. a movable plate; 214. a fixed cylinder; 215. a clamping rod; 216. a clamping groove; 217. a limit spring; 218. a handle; 311. a fixed block; 312. an arc-shaped plate; 313. a threaded hole; 314. and positioning bolts.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a resistive fan silencer comprises a silencer casing 1, wherein the bottom end of the silencer casing 1 is connected with a bottom plate 211 through a lifting device, the lifting device is connected to the side wall of the silencer casing 1 through a rotating shaft, the silencer casing 1 can be vertically adjusted relative to the bottom plate 211, so that the vertical height of the position of a transmission pipe on the silencer casing 1 is changed, the resistive fan silencer is convenient to use under different use environments, and the use range of the resistive fan silencer is improved.

The lifting device comprises a fixed plate 212, a movable plate 213 and a limiting assembly, wherein the movable plate 213 is fixedly connected to the bottom end of the silencer casing 1, one end of the fixed plate 212 is fixedly connected to the top of the bottom plate 211, the other end of the fixed plate is sleeved on the movable plate 213, the fixed plate 212 is connected to the movable plate 213 through the limiting assembly, and the movable plate 213 can vertically move along the inner wall of the fixed plate 212 so as to ensure the stability of the silencer casing 1, and the fixed plate 212 and the movable plate 213 can be limited and fixed through the limiting assembly, so that the stability of the silencer casing 1 after being regulated is ensured.

The limiting component comprises a fixed barrel 214, a clamping rod 215 and a clamping groove 216, wherein the fixed barrel 214 is fixedly connected to the outer wall of the fixed plate 212, the clamping groove 216 is provided with a plurality of groups, the clamping groove 216 is vertically arranged on the side wall of the movable plate 213, the clamping rod 215 penetrates through the fixed barrel 214 and is correspondingly arranged with the clamping groove 216, the clamping rod 215 can transversely move, and accordingly the effect of limiting the movable plate 213 to move up and down can be achieved, and the silencer shell 1 after adjustment is conveniently and stably limited. The clamping rod 215 outer wall winding has spacing spring 217, and the one end fixedly connected with handle 218 of clamping groove 216 is kept away from to clamping rod 215, and spacing spring 217 one end is connected in handle 218, the other end is connected in fixed cylinder 214, and spacing spring 217 can reach fine stability, and after loosening handle 218, inside drive clamping rod 215 that can be automatic inserts fixed plate 212 and clamping groove 216, realization spacing effect.

The muffler shell 1 lateral wall fixedly connected with and the coaxial arc 312 that distributes of pivot, fly leaf 213 top fixedly connected with fixed block 311, fixed block 311 inner wall threaded connection has positioning bolt 314, the screw hole 313 that corresponds with positioning bolt 314 has been seted up to arc 312 outer wall, positioning bolt 314 can insert inside screw hole 313 after rotating to muffler shell 1 can carry out vertical rotation with pivot axis department, thereby further increased muffler shell 1's movable range, promoted the application range of equipment, strengthened the result of use of device. The screw holes 313 are provided with a plurality of groups, and a plurality of groups of screw holes 313 are distributed coaxially with the axis of the arc 312, and the arrangement of a plurality of groups of screw holes 313 can ensure that the silencer casing 1 can be stably connected after being longitudinally adjusted, so that different angle requirements can be conveniently met.

Working principle: when the height of the silencer casing 1 needs to be adjusted, the handle 218 is pulled to further drive the clamping rod 215 to be separated from the clamping groove 216, the limiting spring 217 is stretched, the silencer casing 1 can be pulled upwards by a worker at this time to further drive the movable plate 213 to slide along the inner wall of the fixed plate 212, after the silencer casing 1 is adjusted to a proper position, the worker can loosen the handle 218, and the clamping rod 215 can be driven to be inserted into the clamping groove 216 under the elastic reset action of the limiting spring 217, so that the limiting effect is achieved.

When the position of the silencer casing 1 needs to be longitudinally adjusted, the silencer casing 1 can be pushed back and forth to rotate at the axis of the rotating shaft, so that the transmission pipe is guaranteed to correspond, and then the positioning bolt 314 is rotated and driven to be in threaded connection with the threaded hole 313, so that the stabilizing effect is achieved.

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

Claims

1. The utility model provides a hinder piece formula fan muffler, includes muffler casing (1), its characterized in that: the bottom end of the silencer shell (1) is connected with a bottom plate (211) through a lifting device, and the lifting device is rotationally connected to the side wall of the silencer shell (1) through a rotating shaft; the lifting device comprises a fixed plate (212), a movable plate (213) and a limiting assembly, wherein the movable plate (213) is fixedly connected to the bottom end of the silencer shell (1), one end of the fixed plate (212) is fixedly connected to the top of the bottom plate (211), the other end of the fixed plate is sleeved on the movable plate (213), and the fixed plate (212) is connected to the movable plate (213) through the limiting assembly.

2. The resistive blower muffler of claim 1 wherein: the limiting assembly comprises a fixed cylinder (214), a clamping rod (215) and a clamping groove (216), wherein the fixed cylinder (214) is fixedly connected to the outer wall of the fixed plate (212), the clamping groove (216) is provided with a plurality of groups, the clamping groove (216) is vertically arranged on the side wall of the movable plate (213), and the clamping rod (215) penetrates through the fixed cylinder (214) and is correspondingly arranged with the clamping groove (216).

3. The resistive blower muffler of claim 2 wherein: the utility model discloses a fixing device, including clamping rod (215), clamping rod (215) outer wall winding has spacing spring (217), one end fixedly connected with handle (218) that clamping groove (216) were kept away from to clamping rod (215), spacing spring (217) one end is connected in handle (218), the other end is connected in fixed cylinder (214).

4. A resistive blower muffler according to claim 3, wherein: the silencer comprises a silencer shell body (1), wherein an arc plate (312) which is coaxially distributed with a rotating shaft is fixedly connected to the side wall of the silencer shell body, a fixed block (311) is fixedly connected to the top end of a movable plate (213), a positioning bolt (314) is connected to the inner wall of the fixed block (311) in a threaded mode, and a threaded hole (313) corresponding to the positioning bolt (314) is formed in the outer wall of the arc plate (312).

5. The resistive blower muffler of claim 4 wherein: the threaded holes (313) are provided with a plurality of groups, and the plurality of groups of threaded holes (313) are coaxially distributed at the axis of the arc-shaped plate (312).