Nitrogen making machine with noise reduction and sound insulation mechanism

Abstract

The utility model discloses a nitrogen making machine with a noise reduction and sound insulation mechanism, which belongs to the technical field of nitrogen making machines and comprises a machine body, an exhaust pipe is arranged on one side of the machine body, a controller is arranged on one side of the machine body, a noise reduction device is arranged on one side, close to an air inlet, of the machine body, and a mistaken touch prevention device is arranged on one side of the controller. The noise reduction device comprises a rectangular frame and a rectangular cover, the rectangular frame is fixedly connected with the side, close to the air inlet, of the machine body, one side of the rectangular frame is fixedly connected with a screw hole plate, the inner wall of the screw hole plate is in threaded connection with a bolt, and the inner wall of the rectangular cover is fixedly connected with a filter screen. By arranging the noise reduction device, noise generated at the position of the air inlet of the machine body can be reduced, the situation that noise generated by shaking or friction of aged parts in the operation process of the machine body is transmitted out through the air inlet to affect surrounding personnel and the environment is reduced, and the noise reduction effect of the machine body is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to nitrogen making machine technical field, specifically is a kind of nitrogen making machine with noise reduction sound insulation mechanism. BACKGROUND

[0002] Nitrogen making machine is a kind of equipment with air as raw material, utilizes physical method to separate oxygen and nitrogen in it and obtains nitrogen, nitrogen making machine has wide application in multiple fields, for example, in food processing, nitrogen is often used as protective gas to prevent food oxidation and deterioration, nitrogen making machine can provide stable, high-purity nitrogen source for food processing plant.

[0003] The existing nitrogen making machine is placed in the specified area during use, then the body is started to suck the air outside into the body through the air inlet, then the compression mechanism and the purification mechanism in the body are used to compress and purify the air, then the purified compressed air enters the membrane separator in the body to separate nitrogen and oxygen, so that nitrogen is made and is used outside through the exhaust pipe connected to the external pipeline, the controller on the side of the body is used to control the circuit to start and stop at regular intervals, to realize automatic control, reduce labor intensity, reduce power consumption and equipment wear of nitrogen making machine, and prolong the service life of equipment.

[0004] But in actual use, since the internal components of the nitrogen making machine will gradually age during long-time use, it may cause the body to produce a large noise due to the shaking or friction of components during operation, causing noise to be transmitted from the air inlet position of the body, affecting surrounding personnel and environment. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of prior art, the utility model provides a nitrogen making machine with noise reduction sound insulation mechanism, which solves the problem of large noise produced by the shaking or friction of components during operation of the body, causing noise to be transmitted from the air inlet position of the body, affecting surrounding personnel and environment.

[0006] To achieve the above object, the utility model provides the following technical scheme: A nitrogen making machine with noise reduction sound insulation mechanism, including the body, the side of body is provided with exhaust pipe, the side of body is provided with controller, the side of body is close to air inlet is provided with noise reduction device, the side of controller is provided with false touchproof device, the noise reduction device includes rectangular frame and rectangular cover, the side of rectangular frame is fixedly connected with body close to air inlet, one side of rectangular frame is fixedly connected with screw hole plate, the inner wall of screw hole plate is connected with bolt in screw thread, the inner wall of rectangular cover is fixedly connected with filter screen, the inner wall of rectangular cover is fixedly connected with sound insulation cotton, one side of rectangular cover is fixedly connected with round hole plate, the surface size and shape of bolt are compatible with the inner wall size and shape of round hole plate, the nut position of bolt is larger than the inner wall of round hole plate.

[0007] As a further scheme of the utility model: One end of bolt is fixedly connected with twist block, the surface of twist block is equipped with a plurality of antiskid strips.

[0008] As a further scheme of the utility model: The inner wall of rectangular frame is fixedly connected with a plurality of sound absorption panels, a plurality of sound absorption panels are equidistantly arranged, the cross section of sound absorption panel is W-shaped.

[0009] As a further scheme of the utility model: One side of rectangular cover is fixedly connected with handle, the inner side of handle is equipped with a plurality of antiskid convex.

[0010] As a further scheme of the utility model: False touchproof device includes concave plate, the side of concave plate is fixedly connected with controller close to button, the surface of concave plate is equipped with two rectangular holes, the inner wall of two rectangular holes is slidably connected with baffle, the combined size of two baffles is compatible with the inner wall size of concave plate.

[0011] As a further scheme of the utility model: One side of two baffles is fixedly connected with push block, the surface of push block is larger than the inner wall of rectangular hole.

[0012] As a further scheme of the utility model: One side of two baffles close to controller is fixedly connected with rubber column, the surface of two rubber columns is attached to the surface of controller.

[0013] Compared with the prior art, the utility model has the advantages that 1, the nitrogen making machine can reduce the noise of the air inlet position of the body through the setting noise reduction device, reduce the noise generated by the shaking or friction of the aging components during the operation of the body, the noise transmitted through the air inlet does not affect the surrounding personnel and environment, and the noise reduction effect of the body is improved.

[0014] 2、The nitrogen making machine, through the setting noise reduction device, can filter the air of the air inlet position by the filter screen while reducing the noise of the machine body, reduce the dust and sundries from the outside through the air inlet into the machine body, and accelerate the aging of the components.

[0015] 3、The nitrogen making machine, through the setting noise reduction device, can filter the air of the air inlet position by the filter screen while reducing the noise of the machine body, reduce the dust and sundries from the outside through the air inlet into the machine body, and accelerate the aging of the components. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a partial sectional view of the rectangular frame of the utility model.

[0018] Figure 3 It is a structure schematic view of the rectangular cover of the utility model.

[0019] Figure 4 It is a structure schematic view of the concave plate of the utility model.

[0020] In the drawing: 1, machine body; 2, exhaust pipe; 3, controller; 4, noise reduction device; 41, rectangular frame; 42, screw hole plate; 43, bolt; 44, twist block; 45, sound-absorbing board; 46, rectangular cover; 47, filter screen; 48, soundproof cotton; 49, round hole plate; 410, handle; 5, anti-misoperation device; 51, concave plate; 52, rectangular hole; 53, baffle; 54, push block; 55, rubber column. DETAILED DESCRIPTION

[0021] The technical scheme of the patent will be further described in detail in combination with specific implementation manners.

[0022] For example, Figures 1-4As shown, the utility model provides a technical scheme: a nitrogen making machine with noise reduction sound insulation mechanism, including body 1, the side of body 1 is provided with exhaust pipe 2, the side of body 1 is provided with controller 3, the side of body 1 close to air inlet is provided with noise reduction device 4, the side of controller 3 is provided with false touch prevention device 5, noise reduction device 4 includes rectangular frame 41 and rectangular cover 46, rectangular frame 41 is fixedly connected with the side of body 1 close to air inlet, the side of rectangular frame 41 is fixedly connected with screw hole plate 42, the inner wall of screw hole plate 42 is threadedly connected with bolt 43, the inner wall of rectangular cover 46 is fixedly connected with filter screen 47, the inner wall of rectangular cover 46 is fixedly connected with sound insulation cotton 48, the side of rectangular cover 46 is fixedly connected with round hole plate 49, the surface size and shape of bolt 43 are adapted to the inner wall size and shape of round hole plate 49, the nut position of bolt 43 is greater than the inner wall of round hole plate 49, by setting noise reduction device 4, first manually move rectangular cover 46, make rectangular cover 46 drive filter screen 47 to move, make rectangular cover 46 drive round hole plate 49 to move, when rectangular cover 46 moves to with rectangular frame 41 surface adhesion position, make the inner wall of round hole plate 49 coincide with the inner wall of screw hole plate 42, at this time manually rotate bolt 43, make bolt 43 insert round hole plate 49 and turn into screw hole plate 42 inside, make the nut position of bolt 43 extrude and fix round hole plate 49, further reach the assembly fixed between rectangular cover 46 and rectangular frame 41, make rectangular frame 41 cooperate rectangular cover 46 and filter screen 47 completely wrap air inlet position of body 1, when the inside of air inlet sends out noise to the outside, make the sound insulation cotton 48 of glass wool material in rectangular cover 46 absorb noise, reach the noise reduction processing of the noise of body 1, reduce the noise generated due to the shaking or friction of aging components in the process of body 1 operation, pass through the air inlet and cause the influence of surrounding personnel and environment, improve the noise reduction effect of body 1.

[0023] Specifically, as shown in Figure 2 and Figure 3 One end of bolt 43 is fixedly connected with knob 44, a plurality of anti-skid strips are arranged on the surface of knob 44, by setting knob 44, knob 44 can increase the contact area of bolt 43, so that personnel can conveniently rotate bolt 43 by manually rotating knob 44, the inner wall of rectangular frame 41 is fixedly connected with a plurality of sound absorption plates 45, a plurality of sound absorption plates 45 are arranged at equal distances, the cross section of sound absorption plate 45 is W-shaped, by setting sound absorption plate 45, sound absorption plate 45 made of polyester fiber can initially absorb the transmitted noise, and the noise can be transmitted multiple times between a plurality of sound absorption plates 45, increasing the contact frequency with sound absorption plate 45, further improving the noise reduction effect on noise, one side of rectangular cover 46 is fixedly connected with handle 410, a plurality of anti-skid protrusions are arranged on the inner side of handle 410, by setting handle 410, handle 410 can provide a force point for personnel, so that personnel can conveniently move rectangular cover 46 by manually moving handle 410.

[0024] Specifically, as shown in Figure 4 The anti-mis-touch device 5 includes a concave plate 51 fixedly connected to the side of the controller 3 close to the button, the surface of the concave plate 51 is symmetrically provided with two rectangular holes 52, the inner walls of the two rectangular holes 52 are both slidingly connected with a baffle 53, the combined size of the two baffles 53 is adapted to the size of the inner wall of the concave plate 51, by setting the anti-mis-touch device 5, first manually moving the two baffles 53 so that the two baffles 53 move oppositely along the inside of the two rectangular holes 52, when the two baffles 53 oppositely move to the mutual abutting position, the two baffles 53 completely enclose the inside of the concave plate 51, at the same time, the concave plate 51 completely wraps the button on the controller 3 and intercepts the objects outside, achieving the anti-mis-touch processing of the button on the controller 3, reducing the accidental mis-touch of the button on the controller 3 by personnel during operation, causing the running program and data of the machine body 1 to change, and affecting the nitrogen production support of the machine body 1.

[0025] Specifically, as shown in Figure 4 The side of each of the two baffles 53 is fixedly connected with a push block 54, the surface of the push block 54 is larger than the inner wall of the rectangular hole 52, by setting the push block 54, the push block 54 can intercept the moving baffle 53, reducing the situation that the baffle 53 moves out of the inside of the rectangular hole 52, the side of each of the two baffles 53 close to the controller 3 is fixedly connected with a rubber column 55, the surfaces of the two rubber columns 55 are both abutted with the surface of the controller 3, by setting the rubber column 55, the rubber column 55 can assist in supporting the baffle 53, reducing the situation that the baffle 53 is inclined to the direction close to the machine body 1 and touches the button when colliding.

[0026] The working principle of the utility model is as follows: S1, first, the machine body 1 is placed in the designated area, then the machine body 1 is started to suck the air outside into the inside of the machine body 1 through the air inlet, then the air is compressed and purified by the compression mechanism and the purification mechanism in the inside of the machine body 1, then the purified compressed air enters the membrane separator in the inside of the machine body 1 to separate nitrogen and oxygen, so that nitrogen is produced and connected to the external pipeline through the exhaust pipe 2 for external use, at the same time, the controller 3 on one side of the machine body 1 controls the start and stop of the circuit at regular time, realizing automatic control, reducing the labor intensity of personnel, reducing the power consumption and equipment wear of the nitrogen generator, and prolonging the service life of the equipment.

[0027] S2, first manually move the rectangular cover 46, so that the rectangular cover 46 moves the filter screen 47, so that the rectangular cover 46 moves the circular hole plate 49, when the rectangular cover 46 is moved to the surface of the rectangular frame 41 abutting position, so that the inner wall of the circular hole plate 49 coincides with the inner wall of the threaded hole plate 42, at this time manually rotate the bolt 43, so that the bolt 43 is inserted into the circular hole plate 49 and turns into the inside of the threaded hole plate 42, so that the nut position of the bolt 43 extrudes and fixes the circular hole plate 49, thereby achieving the assembly and fixation between the rectangular cover 46 and the rectangular frame 41, so that the rectangular frame 41 cooperates with the rectangular cover 46 and the filter screen 47 to completely wrap the air inlet position of the machine body 1, when the noise is emitted outward from the inside of the air inlet, the sound absorbing plate 45 made of polyester fiber absorbs the emitted noise for the first time, and the sound insulation cotton 48 made of glass wool in the rectangular cover 46 absorbs the noise for the second time, so that the noise of the machine body 1 is reduced.

[0028] S3, first manually move the two baffles 53, so that the two baffles 53 move oppositely along the inside of the two rectangular holes 52, when the two baffles 53 oppositely move to the abutting position, the two baffles 53 completely enclose the inside of the concave plate 51, and the concave plate 51 completely wraps the button on the controller 3 and intercepts the objects in the external environment, so that the button on the controller 3 is prevented from being touched by mistake.

[0029] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] The preferred embodiments of the present application are described above, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A nitrogen generator with noise reduction and sound insulation mechanism, comprising a machine body (1), characterized in that: The body (1) is provided with an exhaust pipe (2) on one side, the body (1) is provided with a controller (3) on one side, the body (1) is provided with a noise reduction device (4) near the air inlet, the controller (3) is provided with an anti-misoperation device (5) on one side, the noise reduction device (4) comprises a rectangular frame (41) and a rectangular cover (46), the rectangular frame (41) is fixedly connected with the side of the body (1) near the air inlet, one side of the rectangular frame (41) is fixedly connected with a threaded hole plate (42), the inner wall of the threaded hole plate (42) is threadedly connected with a bolt (43), the inner wall of the rectangular cover (46) is fixedly connected with a filter screen (47), the inner wall of the rectangular cover (46) is fixedly connected with sound insulation cotton (48), one side of the rectangular cover (46) is fixedly connected with a round hole plate (49), the surface size and shape of the bolt (43) are matched with the inner wall size and shape of the round hole plate (49), and the nut position of the bolt (43) is larger than the inner wall of the round hole plate (49).

2. The nitrogen generator with noise reduction and sound insulation mechanism according to claim 1, characterized in that: One end of the bolt (43) is fixedly connected with a twisting block (44), and the surface of the twisting block (44) is provided with a plurality of anti-skid strips.

3. The nitrogen generator with noise reduction and sound insulation mechanism according to claim 1, characterized in that: The inner wall of the rectangular frame (41) is fixedly connected with a plurality of sound absorption plates (45), a plurality of sound absorption plates (45) are arranged at equal distances, and the cross section of the sound absorption plate (45) is W-shaped.

4. The nitrogen generator with noise reduction and sound insulation mechanism according to claim 1, characterized in that: One side of the rectangular cover (46) is fixedly connected with a handle (410), and the inner side of the handle (410) is provided with a plurality of anti-skid protrusions.

5. The nitrogen generator with noise reduction and sound insulation mechanism according to claim 1, characterized in that: The anti-misoperation device (5) comprises a concave plate (51), the concave plate (51) is fixedly connected with the side of the controller (3) near the button, two rectangular holes (52) are symmetrically formed in the surface of the concave plate (51), the inner walls of the two rectangular holes (52) are slidably connected with baffle plates (53), and the combined size of the two baffle plates (53) is matched with the size of the inner wall of the concave plate (51).

6. The nitrogen generator with noise reduction and sound insulation mechanism according to claim 5, characterized in that: One side of each of the two baffle plates (53) is fixedly connected with a push block (54), and the surface of the push block (54) is larger than the inner wall of the rectangular hole (52).

7. The nitrogen generator with noise reduction and sound insulation mechanism according to claim 5, characterized in that: The side of each of the two baffle plates (53) near the controller (3) is fixedly connected with a rubber column (55), and the surfaces of the two rubber columns (55) are attached to the surface of the controller (3).

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