CN219085643U

CN219085643U - Noise reduction device for compressed air dryer

Info

Publication number: CN219085643U
Application number: CN202223261039.8U
Authority: CN
Inventors: 刘道杰
Original assignee: Suzhou Henghongjie Energy Conservation And Environmental Protection Technology Co ltd
Current assignee: Suzhou Henghongjie Energy Conservation And Environmental Protection Technology Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-05-26
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to a noise reduction device for a compressed air dryer, which comprises the compressed air dryer and a muffler, wherein a butt joint assembly is arranged between the compressed air dryer and the muffler, the butt joint assembly comprises a butt joint arranged at the exhaust end of the compressed air dryer in a threaded manner and an air duct fixedly arranged at the air inlet end of the muffler, the outer wall of the air duct is in threaded connection with an adjusting ring, one side, far away from the muffler, of the adjusting ring is fixedly connected with a spiral guide rail, and the outer peripheral wall of the air duct is fixedly connected with a positioning ring. This a noise reduction device for compressed air dryer is through setting up the butt joint subassembly for silencer and compressed air dryer accessible butt joint subassembly concatenation are in the same place, and the dismantlement mounting means between the butt joint subassembly is simple, can avoid appearing the smooth silk of screw thread wearing and tearing problem as far as possible, and only need rotate by a small margin to inside adjusting ring when dismantlement is installed, thereby can improve dismantlement installation rate, and convenient maintainer uses.

Description

Noise reduction device for compressed air dryer

Technical Field

The utility model relates to the technical field of compressed air dryers, in particular to a noise reduction device for a compressed air dryer.

Background

The main function of the silencer of the adsorption dryer is to reduce the noise generated when the regeneration gas in the adsorption dryer is discharged, because the regeneration gas has certain pressure when being discharged, the gas vibration can be caused and the strong exhaust noise can be generated due to the higher exhaust speed, generally 80-110 dB, and according to the related regulations, when the exhaust noise is more than 75dB, the silencing measure is required.

In the adsorption dryer, because there is a large amount of dust and moisture in regeneration exhaust, there is condensation water accumulation when the temperature is suitable, causes adsorption dryer's muffler to stop up very easily, need regularly dismantle the muffler, clear up it and maintain, and because current muffler improves the leakproofness through threaded connection, need twist more number of turns and just can take off it, frequent dismantlement just so causes inside screw wearing and tearing smooth silk easily to influence dismantlement efficiency.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a noise reduction device for a compressed air dryer, which has the advantages of convenient disassembly and maintenance and the like, and solves the problems that the existing silencer improves the tightness through threaded connection, can be taken down only by screwing more turns, and is easy to cause internal thread abrasion and sliding and influence the disassembly efficiency due to frequent disassembly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the noise reduction device for the compressed air dryer comprises the compressed air dryer and a muffler, wherein a butt joint assembly is arranged between the compressed air dryer and the muffler;

the butt joint assembly comprises a butt joint arranged at the exhaust end of the compressed air dryer in a threaded manner and an air duct fixedly arranged at the air inlet end of the silencer, wherein an adjusting ring is connected to the outer wall of the air duct in a threaded manner, one side of the adjusting ring, which is far away from the silencer, is fixedly connected with a spiral guide rail, the outer peripheral wall of the air duct is fixedly connected with a positioning ring, the positioning ring is located at one side, which is far away from the silencer, of the adjusting ring, one side, which is far away from the silencer, of the adjusting ring is slidably connected with clamping blocks which are matched with the spiral guide rail and are two in number, and a sealing sleeve is sleeved outside the air duct.

Further, a sealing hole matched with the sealing sleeve in size is formed in one end, far away from the exhaust end of the compressed air dryer, of the butt joint.

Further, the section of the spiral guide rail is T-shaped, a T-shaped chute matched with the shape of the spiral guide rail is formed in the clamping block, and a limit groove matched with the clamping block in size is formed in the positioning ring.

Further, the clamp splice includes the trapezoidal piece with helical guideway sliding connection, one side fixedly connected with curb plate that the adjusting ring was kept away from to trapezoidal piece, one side fixedly connected with fixture block that the curb plate is close to the air duct.

Further, a clamping groove matched with the clamping blocks in size is formed in the peripheral wall of the butt joint, and the maximum distance between the two clamping blocks is equal to the outer diameter of the butt joint.

Further, the seal sleeve comprises a frustum-shaped seal ring sleeved with the air duct, and two jacking blocks are fixedly connected to one side, close to the positioning ring, of the frustum-shaped seal ring.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this a noise reduction device for compressed air dryer is through setting up the butt joint subassembly for silencer and compressed air dryer accessible butt joint subassembly concatenation are in the same place, and the dismantlement mounting means between the butt joint subassembly is simple, can avoid appearing the smooth silk of screw thread wearing and tearing problem as far as possible, and only need rotate by a small margin to inside adjusting ring when dismantlement is installed, thereby can improve dismantlement installation rate, and convenient maintainer uses.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

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

FIG. 3 is a schematic view of the structure of the spiral guide rail of the present utility model;

fig. 4 is a schematic structural view of the positioning ring of the present utility model.

In the figure: 1 compressed air dryer, 2 muffler, 3 pairs of joints, 4 air ducts, 5 adjusting rings, 6 spiral guide rails, 7 positioning rings, 8 clamping blocks and 9 sealing sleeves.

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 noise reduction device for a compressed air dryer in this embodiment includes a compressed air dryer 1 and a muffler 2, a docking assembly is provided between the compressed air dryer 1 and the muffler 2, the docking assembly includes a docking head 3 screwed on the exhaust end of the compressed air dryer 1 and an air duct 4 fixedly mounted on the air inlet end of the muffler 2, the muffler 2 is communicated with the air duct 4, an adjusting ring 5 is screwed on the outer wall of the air duct 4, one side of the adjusting ring 5 far away from the muffler 2 is fixedly connected with a spiral guide rail 6, the cross section of the spiral guide rail 6 is T-shaped, the outer peripheral wall of the air duct 4 is fixedly connected with a positioning ring 7, one side of the positioning ring 7 near the adjusting ring 5 is fixedly connected with a sponge cushion, so that an adjusting space exists in the adjusting ring 5, the positioning ring 7 is located on one side of the adjusting ring 5 far away from the muffler 2, the outer diameter of the positioning ring 7 is equal to the adjusting ring 5, one side of the adjusting ring 5 far away from the muffler 2 is slidingly connected with clamping blocks 8 which are matched with the spiral guide rail 6 and have two sealing sleeves 8, the sealing sleeve blocks 8 are arranged in the positioning ring 7, the sealing sleeve 8 is matched with the sealing sleeve 8, one side of the sealing sleeve 8 is far away from the air duct 9, the sealing sleeve 9 is positioned between the two sealing sleeve blocks and the sealing sleeve 9 is positioned at the end 9, the sealing sleeve 9 is far from the sealing sleeve 9, the sealing sleeve is far from the sealing sleeve, and the sealing sleeve is far from the sealing sleeve 8, the sealing sleeve is far from the sealing sleeve 9 is far from the sealing sleeve, and the sealing sleeve 9 is sealed and has the sealing sleeve, and the sealing sleeve 9 is sealed by the sealing sleeve and has the sealing sleeve.

There is great damping between adjusting ring 5 and the air duct 4 in this embodiment, can improve the required dynamics of operating personnel screwing adjusting ring 5 to avoid operating personnel to the maloperation of adjusting ring 5, and then can improve the stability when whole interfacing assembly uses.

It should be noted that, the T-shaped chute matching with the shape of the spiral guide rail 6 is provided in the clamping block 8, so that the clamping block 8 can only slide along the spiral guide rail 6 and cannot be separated from the spiral guide rail 6 in the sliding process.

Referring to fig. 2, the clamping block 8 includes a trapezoid block slidably connected with the spiral guide rail 6, a side plate is fixedly connected with one side of the trapezoid block away from the adjusting ring 5, a clamping block is fixedly connected with one side of the side plate close to the air duct 4, the cross section of the trapezoid block is right trapezoid, an inclined plane of the trapezoid block is located at one side of the trapezoid block close to the air duct 4, clamping grooves matched with the clamping block in size are formed in the peripheral wall of the butt joint 3, the maximum distance between the two clamping blocks is equal to the outer diameter of the butt joint 3, the sealing sleeve 9 includes a frustum-shaped sealing ring sleeved with the air duct 4, the diameter of one side of the frustum-shaped sealing ring away from the positioning ring 7 is smaller than that of one side of the frustum-shaped sealing ring close to the positioning ring 7, the frustum-shaped sealing ring is a rubber ring, and a jacking block with two quantity is fixedly connected with one side of the frustum-shaped sealing ring close to the positioning ring 7.

The working principle of the embodiment is as follows:

firstly, the butt joint 3 is arranged on the exhaust end of the compressed air dryer 1 in a threaded manner, then the butt joint 3 is not required to be changed, then the sealing sleeve 9 is sleeved outside the air duct 4, the air duct 4 connected with the muffler 2 and the accessory structure thereof are moved onto the butt joint 3 together, the air duct 4 is inserted into the butt joint 3, the position of the sealing sleeve 9 is slightly adjusted, the top block is positioned on the running path of the clamping block 8, the clamping groove is positioned on the moving path of the clamping block, then the adjusting ring 5 can be screwed, the clamping block 8 is driven by the spiral guide rail 6 to slide relatively, so that the clamping block 8 pushes the sealing sleeve 9 to move downwards in the moving process, the gap between the air duct 4 and the butt joint 3 is filled, meanwhile, the clamping block 8 and the butt joint 3 are clamped and fixed, and during maintenance, only the adjusting ring 5 is required to be rotated reversely.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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. Noise reduction device for a compressed air dryer, comprising a compressed air dryer (1) and a muffler (2), characterized in that: a butt joint assembly is arranged between the compressed air dryer (1) and the muffler (2);

the butt joint assembly comprises a butt joint (3) which is arranged at the exhaust end of the compressed air dryer (1) in a threaded manner and an air duct (4) which is fixedly arranged at the air inlet end of the muffler (2), wherein the outer wall of the air duct (4) is in threaded connection with an adjusting ring (5), one side of the adjusting ring (5) away from the muffler (2) is fixedly connected with a spiral guide rail (6), the outer peripheral wall of the air duct (4) is fixedly connected with a positioning ring (7), the positioning ring (7) is positioned on one side of the adjusting ring (5) away from the muffler (2), one side of the adjusting ring (5) away from the muffler (2) is in sliding connection with clamping blocks (8) which are matched with the spiral guide rail (6) and are two in number, and a sealing sleeve (9) is sleeved outside the air duct (4).

2. A noise reducer for a compressed air dryer according to claim 1, wherein: and a sealing hole matched with the sealing sleeve (9) in size is formed in one end, far away from the exhaust end of the compressed air dryer (1), of the butt joint (3).

3. A noise reducer for a compressed air dryer according to claim 1, wherein: the section of the spiral guide rail (6) is T-shaped, a T-shaped chute matched with the shape of the spiral guide rail (6) is formed in the clamping block (8), and a limit groove matched with the clamping block (8) in size is formed in the positioning ring (7).

4. A noise reducer for a compressed air dryer according to claim 1, wherein: the clamping block (8) comprises a trapezoidal block which is in sliding connection with the spiral guide rail (6), a side plate is fixedly connected to one side of the trapezoidal block, which is far away from the adjusting ring (5), and a clamping block is fixedly connected to one side of the side plate, which is close to the air duct (4).

5. A noise reducer for a compressed air dryer as defined in claim 4, wherein: clamping grooves matched with the clamping blocks in size are formed in the peripheral wall of the butt joint (3), and the maximum distance between the two clamping blocks is equal to the outer diameter of the butt joint (3).

6. A noise reducer for a compressed air dryer according to claim 1, wherein: the sealing sleeve (9) comprises a frustum-shaped sealing ring sleeved with the air duct (4), and two jacking blocks are fixedly connected to one side, close to the positioning ring (7), of the frustum-shaped sealing ring.