阅读说明：本技术 一种具备降噪功能的烘炉排风机 (Oven exhaust fan with noise reduction function ) 是由 杜浩 于 2020-04-29 设计创作，主要内容包括：本发明公开了一种具备降噪功能的烘炉排风机,包括排风机本体,所述排风机本体机身的下表面固定连接有垫板,所述垫板的下表面固定连接在排风机基座上表面的中部,所述排风机基座的下表面开设有若干个凹槽,所述凹槽内设置有连接板,并且连接板的上表面与凹槽内壁的上表面搭接,所述连接板的下表面通过减震装置与支撑板的上表面固定连接。该具备降噪功能的烘炉排风机,通过设置扳手和减震装置,从而能够将排风机基座与支撑板紧紧的连接在一起,在安装排风机基座时并未使用到螺栓,且排风机本体工作时减震装置内的第一弹簧能够起到减震的作用,从而可以降低排风机本体工作时所产噪音对周围环境的影响。(The invention discloses an exhaust fan of a baking oven with a noise reduction function, which comprises an exhaust fan body, wherein a base plate is fixedly connected to the lower surface of the body of the exhaust fan body, the lower surface of the base plate is fixedly connected to the middle part of the upper surface of an exhaust fan base, a plurality of grooves are formed in the lower surface of the exhaust fan base, connecting plates are arranged in the grooves, the upper surfaces of the connecting plates are in lap joint with the upper surfaces of the inner walls of the grooves, and the lower surfaces of the connecting plates are fixedly connected with the upper surfaces of supporting plates through damping devices. This baker exhaust fan that possesses function of making an uproar falls through setting up spanner and damping device to can be in the same place exhaust fan base and the tight connection of backup pad, not use the bolt when installation exhaust fan base, and the interior first spring of exhaust fan body during operation damping device can play absorbing effect, thereby can reduce the influence of the noise that exhaust fan body during operation produced to surrounding environment.)

1. The utility model provides a possess baker exhaust fan of function of making an uproar that falls, includes exhaust fan body (1), its characterized in that: the lower fixed surface of the body of the exhaust fan body (1) is fixedly connected with a backing plate (2), the lower fixed surface of the backing plate (2) is fixedly connected with the middle part of the upper surface of the exhaust fan base (3), the lower surface of the exhaust fan base (3) is provided with a plurality of grooves (4), a connecting plate (5) is arranged in each groove (4), the upper surface of each connecting plate (5) is in lap joint with the upper surface of the inner wall of each groove (4), the lower surface of each connecting plate (5) is fixedly connected with the upper surface of a supporting plate (7) through a damping device (6), the lower surface of each supporting plate (7) is fixedly connected with the upper surface of a baking oven body (15), through holes (8) are formed in the left side and the right side of the upper surface of the exhaust fan base (3), slide bars (9) are arranged in the through holes (8), and the top ends, and the lower surface of baffle (10) and the upper surface overlap joint of exhaust fan base (3), sliding sleeve (11) have been cup jointed to the surface of slide bar (9), sliding sleeve (11) joint is at the upper surface of backup pad (7), the bottom fixedly connected with round handle (12) of slide bar (9) to the surface of slide bar (9) has been cup jointed second spring (13), the one end fixed connection of second spring (13) is at the lower surface of backup pad (7), the other end and the upper surface overlap joint of round handle (12) of second spring (13).

2. The exhaust fan of the drying oven with the noise reduction function as claimed in claim 1, wherein: damping device (6) include first spring (62) that telescopic link (61) and telescopic link (61) surface cup jointed, the equal fixed connection of one end of telescopic link (61) and first spring (62) is at the middle part of connecting plate (5) lower surface, the equal fixed connection of the other end of telescopic link (61) and first spring (62) is at the upper surface of backup pad (7).

3. The exhaust fan of the drying oven with the noise reduction function as claimed in claim 2, wherein: the telescopic rod (61) comprises an outer shell (611), the bottom end of the outer shell (611) is fixedly connected to the upper surface of the supporting plate (7), a limiting hole (615) is formed in the top end of the outer shell (611), an inner shell (613) is arranged in the limiting hole (615), the top end of the inner shell (613) is fixedly connected to the lower surface of the connecting plate (5), a sliding plate (612) is fixedly connected to the bottom end of the inner shell (613), and the left end and the right end of the sliding plate (612) are respectively connected to sliding grooves (614) formed in the left side surface and the right side surface of the inner wall of the outer shell (.

4. The exhaust fan of the drying oven with the noise reduction function as claimed in claim 1, wherein: the through hole (8) and the baffle (10) are both rectangular, and the width of the inner wall of the through hole (8) is larger than the length of the baffle (10).

5. The exhaust fan of the drying oven with the noise reduction function as claimed in claim 1, wherein: the lower surface of the round handle (12) is fixedly connected with a wrench (14), and the wrench (14) is arc-shaped.

6. The exhaust fan of the drying oven with the noise reduction function as claimed in claim 1, wherein: the groove (4) and the connecting plate (5) are both rectangular in shape, and the inner diameter of the groove (4) is matched with the outer diameter of the connecting plate (5).

Technical Field

The invention relates to the technical field of exhaust fans of drying ovens, in particular to an exhaust fan of a drying oven with a noise reduction function.

Background

The oven has different structures and heating modes. The box type, chamber type and pass type can be divided according to the external structure. The box type and the chamber type are suitable for single piece or small batch production, the through type is suitable for mass production line production, and the coated object is placed on a conveying device and passes through a tunnel type drying chamber at a certain speed.

The oven exhaust fan can exhaust the water vapor in the oven to the outside. According to the characteristics of the water vapor attribute, often install the baker exhaust fan at the top of baker, because the baker exhaust fan mainly passes through the bolt and installs at the top of baker, and bolted connection is rigid connection, the baker exhaust fan can cause the baker vibrations through the bolt at the in-process of operation, long-time back of using, the construction bolt can be not hard up because of the vibration of baker exhaust fan produces, the bottom of baker exhaust fan can bump with the top of baker, therefore produce a large amount of noises, the quality of operational environment has been influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the exhaust fan of the baking oven with the noise reduction function, and solves the problems that the exhaust fan of the baking oven is mainly arranged at the top of the baking oven through bolts, the bolts are connected in a rigid way, the baking oven can vibrate through the bolts in the running process of the exhaust fan of the baking oven, after the exhaust fan of the baking oven is used for a long time, the mounting bolts can be loosened due to the vibration of the exhaust fan of the baking oven, the bottom of the exhaust fan of the baking oven can collide with the top of the baking oven, a large amount of noise is generated, and the quality of a working environment is influenced.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a baking oven exhaust fan with a noise reduction function comprises an exhaust fan body, wherein a base plate is fixedly connected to the lower surface of the body of the exhaust fan body, the lower surface of the base plate is fixedly connected to the middle of the upper surface of an exhaust fan base, a plurality of grooves are formed in the lower surface of the exhaust fan base, connecting plates are arranged in the grooves, the upper surfaces of the connecting plates are in lap joint with the upper surfaces of the inner walls of the grooves, the lower surfaces of the connecting plates are fixedly connected with the upper surface of a supporting plate through damping devices, the lower surface of the supporting plate is fixedly connected to the upper surface of the baking oven body, through holes are formed in the left side and the right side of the upper surface of the exhaust fan base, slide rods are arranged in the through holes, the top ends of the slide rods are fixedly connected to the lower surface of a baffle, the, the sliding sleeve is connected to the upper surface of the supporting plate in a clamped mode, a round handle is fixedly connected to the bottom end of the sliding rod, a second spring is sleeved on the outer surface of the sliding rod, one end of the second spring is fixedly connected to the lower surface of the supporting plate, and the other end of the second spring is in lap joint with the upper surface of the round handle.

Preferably, damping device includes the first spring that telescopic link and telescopic link surface cup jointed, the equal fixed connection of one end of telescopic link and first spring is at the middle part of connecting plate lower surface, the equal fixed connection of the other end of telescopic link and first spring is at the upper surface of backup pad.

Preferably, the telescopic link includes the shell, the bottom fixed connection of shell is at the upper surface of backup pad, spacing hole has been seted up on the top of shell, spacing downthehole inner shell that is provided with, the top fixed connection of inner shell is at the lower surface of connecting plate, the bottom fixed connection of inner shell has the slide, both ends difference sliding connection is in the spout that the both sides face all was seted up about the shell inner wall in the slide.

Preferably, the through hole and the baffle are both rectangular, and the width of the inner wall of the through hole is larger than the length of the baffle.

Preferably, the lower surface of the round handle is fixedly connected with a wrench, and the wrench is arc-shaped.

Preferably, the grooves and the connecting plates are rectangular, and the inner diameter of each groove is matched with the outer diameter of each connecting plate.

(III) advantageous effects

The invention provides a drying oven exhaust fan with a noise reduction function, which has the following beneficial effects:

(1) the baking oven exhaust fan with the noise reduction function is characterized in that a wrench and a damping device are arranged, when connecting plates are installed inside corresponding grooves of the connecting plates, upward thrust needs to be applied to a round handle through the wrench by workers, a sliding rod is driven by the round handle to synchronously move in a sliding sleeve, a baffle can be pushed to move upwards in the upward movement process of the sliding rod until the baffle penetrates through a through hole and is located above an exhaust fan base, then the wrench is rotated and rotated for ninety degrees, a second spring can be extruded in the upward movement process of the round handle, downward elastic force can be applied to the round handle by the second spring through the elasticity of the second spring, so that the exhaust fan base and a supporting plate can be tightly connected together, bolts are not used when the exhaust fan base is installed, and a first spring in the damping device can play a damping role when an exhaust fan body works, thereby reducing the influence of noise generated when the exhaust fan body works on the surrounding environment.

(2) This baker exhaust fan that possesses function of making an uproar falls, through setting up the telescopic link, the telescopic link can reduce the amount of deformation of horizontal slip when first spring is concertina movement to guaranteed the life of first spring, through setting up recess and connecting plate, arrange the inside of recess in with the connecting plate, can prevent effectively that the exhaust fan base from taking place the skew because of vibrations, make damping device atress more even.

(3) The exhaust fan base and the supporting plate are arranged, the contact area between the exhaust fan body and the baking oven body is increased, so that the pressure resistance of the top of the baking oven body is enhanced, the baking oven body can be protected, and the exhaust fan with the noise reduction function is compact in structure, reasonable in design and high in practicability.

Drawings

FIG. 1 is a schematic cross-sectional view of the front view of the present invention;

FIG. 2 is a schematic top view of a base of an exhaust fan according to the present invention;

fig. 3 is a schematic sectional view of the telescopic rod of the present invention.

In the figure: the exhaust fan comprises an exhaust fan body 1, a backing plate 2, an exhaust fan base 3, a groove 4, a connecting plate 5, a damping device 6, a telescopic rod 61, an outer shell 611, a sliding plate 612, an inner shell 613, a sliding chute 614, a limiting hole 615, a first spring 62, a supporting plate 7, a through hole 8, a sliding rod 9, a baffle 10, a sliding sleeve 11, a round handle 12, a second spring 13, a wrench 14 and a baking oven body 15.

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.

As shown in fig. 1-3, the present invention provides a technical solution: a baking oven exhaust fan with noise reduction function comprises an exhaust fan body 1, a backing plate 2 is fixedly connected to the lower surface of the body of the exhaust fan body 1, the lower surface of the backing plate 2 is fixedly connected to the middle part of the upper surface of an exhaust fan base 3, a plurality of grooves 4 are formed in the lower surface of the exhaust fan base 3, the grooves 4 and connecting plates 5 are rectangular, the inner diameter of each groove 4 is matched with the outer diameter of the corresponding connecting plate 5, the connecting plates 5 are arranged in the grooves 4 through the grooves 4 and the connecting plates 5, the exhaust fan base 3 can be effectively prevented from being deviated due to vibration, so that the damping devices 6 are stressed more uniformly, the connecting plates 5 are arranged in the grooves 4, the upper surfaces of the connecting plates 5 are in lap joint with the upper surfaces of the inner walls of the grooves 4, and the lower surfaces of the connecting plates 5 are fixedly connected with the upper surfaces, the damping device 6 comprises an expansion link 61 and a first spring 62 sleeved on the outer surface of the expansion link 61, one end of the expansion link 61 and one end of the first spring 62 are both fixedly connected to the middle part of the lower surface of the connecting plate 5, the other end of the expansion link 61 and the other end of the first spring 62 are both fixedly connected to the upper surface of the supporting plate 7, by arranging the damping device 6, the first spring 62 in the damping device 6 can play a damping role when the exhaust fan body 1 works, thereby reducing the influence of noise generated when the exhaust fan body 1 works on the surrounding environment, the expansion link 61 comprises an outer shell 611, the bottom end of the outer shell 611 is fixedly connected to the upper surface of the supporting plate 7, the top end of the outer shell 611 is provided with a limiting hole 615, an inner shell 613 is arranged in the limiting hole 615, the top end of the inner shell 613 is fixedly connected to the lower surface of the connecting plate 5, the bottom end of the inner, by arranging the telescopic rod 61, the telescopic rod 61 can reduce the deformation amount of the first spring 62 sliding left and right when the first spring 62 does telescopic motion, thereby ensuring the service life of the first spring 62, the lower surface of the supporting plate 7 is fixedly connected with the upper surface of the oven body 15, the left side and the right side of the upper surface of the exhaust fan base 3 are both provided with the through holes 8, the shapes of the through holes 8 and the baffle 10 are both rectangular, the width of the inner wall of the through hole 8 is larger than the length of the baffle 10, by arranging the baffle 10, after the baffle 10 passes through the through hole 8 and rotates ninety degrees, the exhaust fan base 3 is connected with the supporting plate 7 under the limit of the baffle 10, the through hole 8 is internally provided with the sliding rod 9, the top end of the sliding rod 9 is fixedly connected with the lower surface of the baffle 10, the lower surface of the baffle 10 is lapped with the upper surface of the exhaust fan base, by arranging the exhaust fan base 3 and the supporting plate 7 and increasing the contact area between the exhaust fan body 1 and the oven body 15, the pressure resistance at the top of the oven body 15 is enhanced, thereby the oven body 15 can be protected, the bottom end of the sliding rod 9 is fixedly connected with the round handle 12, the outer surface of the sliding rod 9 is sleeved with the second spring 13, by arranging the round handle 12, the round handle 12 can extrude the second spring 13 in the upward moving process, the second spring 13 can apply downward elastic force to the round handle 12 by utilizing the elasticity of the second spring 13, thereby the exhaust fan base 3 and the supporting plate 7 can be tightly connected together, one end of the second spring 13 is fixedly connected with the lower surface of the supporting plate 7, by arranging the second spring 13, the vibration caused by the exhaust fan body 1 in the running process can make the damping device 6 do telescopic motion, when the damping device 6 is compressed, the exhaust fan base 3 moves downwards, meanwhile, the second spring 13 moves in an extending mode, so that the baffle 10 can be pulled to move downwards through the sliding rod 9, the baffle 10 and the exhaust fan base 4 are connected together tightly all the time, the baffle 10 can be prevented from rotating and moving out through the through hole 8, the other end of the second spring 13 is in lap joint with the upper surface of the round handle 12, the lower surface of the round handle 12 is fixedly connected with a wrench 14, the wrench 14 is arc-shaped, through the arrangement of the wrench 14, when the connecting plates 5 are all installed inside the corresponding grooves 4, a worker needs to apply upward thrust to the round handle 12 through the wrench 14, the sliding rod 9 is driven by the round handle 12 to move synchronously in the sliding sleeve 11, the baffle 10 can be pushed to move upwards in the upward movement process of the sliding rod 9 until the baffle 10 passes through the through hole 8 and is located above the exhaust fan base 3, then the wrench 14 is rotated and rotated ninety degrees, and because the round handle 12 will press the second spring 13 in the process of moving upwards, the second spring 13 can apply downward elastic force to the round handle 12 by using the elasticity of the second spring 13, thereby tightly connecting the exhaust fan base 3 and the supporting plate 7 together.

When in use, each connecting plate 5 is firstly installed inside the corresponding groove 4, then a worker applies upward thrust to the round handle 12 through the wrench 14, the sliding rod 9 is driven by the round handle 12 to move synchronously in the sliding sleeve 11, the baffle 10 can be pushed to move upwards in the process that the sliding rod 9 moves upwards until the baffle 10 passes through the through hole 8 and is positioned above the exhaust fan base 3, then the wrench 14 is turned and rotated ninety degrees, and since the second spring 13 is pressed during the upward movement of the circular handle 12, the second spring 13 can apply downward elastic force to the circular handle 12 by its own elasticity, therefore, the exhaust fan base 3 and the supporting plate 7 can be tightly connected together, and the first spring 62 in the damping device 6 can play a damping role when the exhaust fan body 1 works, so that the influence of noise generated when the exhaust fan body 1 works on the surrounding environment can be reduced.

To sum up, the exhaust fan of the oven with the noise reduction function (1) has the advantages that by arranging the wrench 14 and the damping device 6, when the connecting plates 5 are all installed inside the corresponding grooves 4, a worker needs to apply upward thrust to the round handle 12 through the wrench 14, the sliding rod 9 is driven by the round handle 12 to synchronously move in the sliding sleeve 11, the sliding rod 9 can push the baffle 10 to move upwards in the upward movement process until the baffle 10 passes through the through hole 8 and is positioned above the exhaust fan base 3, then the wrench 14 is rotated and rotated ninety degrees, the round handle 12 can extrude the second spring 13 in the upward movement process, the second spring 13 can apply downward elastic force to the round handle 12 through the elasticity of the second spring 13, so that the exhaust fan base 3 and the supporting plate 7 can be tightly connected together, bolts are not used when the exhaust fan base 3 is installed, and the first spring 62 in the damping device 6 can play a role in damping when the exhaust fan body 1 works, so that the influence of noise generated when the exhaust fan body 1 works on the surrounding environment can be reduced.

(2) This baker exhaust fan that possesses function of making an uproar, through setting up telescopic link 61, telescopic link 61 can reduce the amount of deformation of horizontal slip when first spring 62 is concertina movement to guaranteed first spring 62's life, through setting up recess 4 and connecting plate 5, arrange recess 4's inside in with connecting plate 5, can prevent effectively that exhaust fan base 3 from taking place the skew because of vibrations, make damping device 6 atress more even.

(3) The exhaust fan base 3 and the supporting plate 7 are arranged, the contact area between the exhaust fan body 1 and the drying furnace body 15 is increased, the pressure resistance of the top of the drying furnace body 15 is enhanced, and therefore the drying furnace body 15 can be protected.

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.