Waste heat recovery device for oilless air compressor

By introducing a drive motor and a rubber scraper to clean contaminants from the surface of the insulation shell in the waste heat recovery device for oil-free air compressors, the problem of heat loss caused by the accumulation of contaminants on the surface of the insulation shell is solved, the waste heat recovery efficiency is improved and the maintenance cost is reduced.

CN224017401UActive Publication Date: 2026-03-20JIANGSU RUITENG ELECTROMECHANICAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The surface of the insulation shell of existing waste heat recovery devices for oil-free air compressors is prone to adsorbing pollutants such as dust, oil, and corrosive gases. The lack of a cleaning structure leads to increased heat loss and reduced waste heat recovery efficiency.

Method used

A device comprising a drive motor, a bidirectional screw, a movable base, a rubber scraper, and a replacement component is designed. The servo motor drives the rubber scraper to reciprocate on the surface of the insulation shell, automatically cleaning contaminants. Springs and limit rods ensure the stability of the cleaning process and facilitate easy replacement.

Benefits of technology

It achieves automated and comprehensive contaminant removal, reduces heat loss, improves waste heat recovery efficiency, and lowers maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The waste heat recovery device for the oilless air compressor comprises a base, a device body, a U-shaped frame, a driving motor, a two-way screw rod, a movable seat and a heat preservation shell, the device body is fixedly connected to the top of the base, the U-shaped frame is fixedly connected to the right side of the top of the base, the driving motor is fixedly installed on the rear side of the U-shaped frame, and the two-way screw rod is fixedly connected to the left side of the base. And the two-way screw rod is fixedly connected to the output end of the driving motor. Through the arrangement of the sliding groove, the mounting base, the rubber scraper, the driving mechanism and the replacement assembly, the mounting base and the rubber scraper can be driven by the driving mechanism to move along the surface of the heat preservation shell, so that pollutants such as dust and oil dirt on the surface of the heat preservation shell are automatically cleaned; the problems that pollutants such as dust, greasy dirt and corrosive gas in the industrial environment are easily adsorbed on the surface of a heat preservation shell, and due to the lack of a cleaning structure, the pollutants are inconvenient to clean, heat loss is aggravated, and the waste heat recovery efficiency is reduced are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a waste heat recovery device technical field, concretely is a waste heat recovery device for oil -free air compressor. BACKGROUND

[0002] The core of the oil -free air compressor is outstanding two -stage compression host, and the rotor is subjected to twenty -process finishing, makes the rotor line type reach incomparable accuracy and durability, is equipped with high -quality bearing and precision gear inside, guarantees the coaxial degree of rotor, makes the rotor cooperation accurate, thereby keeps long -term high -efficient reliable operation, the heat produced when the oil -free air compressor operates can be recycled by the waste heat recovery device.

[0003] At present, the utility model with publication No. CN219035003U discloses a waste heat recovery device for oil -free air compressor, belongs to waste heat recovery device technical field, and it includes device body, the bottom of the outer surface of device body is fixedly connected with base, the top of the outer surface of base is provided with heat preservation fixing device, the heat preservation fixing device includes U -shaped frame, heat preservation shell and auxiliary fixing structure, the bottom of the outer surface of U -shaped frame is fixedly connected with the top of the outer surface of base. The waste heat recovery device for oil -free air compressor sets up heat preservation fixing device, under the drive of threaded rod, so that threaded cylinder can move towards each other, in turn can drive rectangular plate and dovetail sliding block along first rectangular groove movement, in turn can drive first connecting rod and heat preservation shell movement, in turn make heat preservation shell and the outer surface of device body fit, because heat preservation shell is the foam of heat preservation material, can play the heat preservation effect, reduce the loss of heat, in turn improve heat utilization.

[0004] Based on the above patent retrieval, and in combination with the equipment in the prior art, the above -mentioned equipment can solve the problem that heat enters the inside of the waste heat recovery device and part of the heat is emitted through the outer surface of the device body, thereby reducing the utilization rate of heat when being applied, but in the process of using, the surface of heat preservation shell is easy to adsorb dust, oil stains, corrosive gas and other pollutants in industrial environment, because of lacking cleaning structure, it is inconvenient to clean the pollutants, leading to the heat loss intensifies, reduces the waste heat recovery efficiency. UTILITY MODEL CONTENTS

[0005] To solve the problems in the background art, the purpose of the utility model is to provide a waste heat recovery device for oil -free air compressor, which has the advantages of easy cleaning, solves the problem that the surface of the heat preservation shell is easy to adsorb dust, oil stains, corrosive gas and other pollutants in the industrial environment, and lacks cleaning structure, which makes it inconvenient to clean the pollutants, leading to the heat loss intensifies, reduces the waste heat recovery efficiency.

[0006] To achieve the above object, the utility model provides following technical scheme: A waste heat recovery device for oil -free air compressor, including base, device body, U type frame, drive motor, bidirectional screw rod, mobile seat and heat preservation shell, device body fixed connection is established at the top of base, the right side of U type frame fixed connection is established at the top of base, drive motor fixed mounting is established in the back of U type frame, bidirectional screw rod fixed connection is established in the output end of drive motor, mobile seat screw connection is established in both sides of bidirectional screw rod surface, the left side of heat preservation shell fixed connection is established in mobile seat, both sides of base top all are equipped with the chute, the inner wall of chute is swingly connected with the mounting seat, the inner wall of mounting seat is swingly connected with the rubber scraper, the inner side of rubber scraper is swingly connected with the surface of heat preservation shell, the top of base inner wall is fixedly installed with drive mechanism, the top of both sides of mounting seat is fixedly connected with replacement assembly.

[0007] As the utility model is preferred, the drive mechanism includes the U-shaped seat, the U-shaped seat is fixedly installed on the top of the inner wall of the base, the right side of the U-shaped seat is fixedly installed with the servo motor, the output end of the servo motor is fixedly connected with the reciprocating screw rod, the surface of the reciprocating screw rod is screw connected with the moving plate, both sides of the top of the moving plate are fixedly connected with the bottom of the mounting seat.

[0008] As the utility model is preferred, the replacement assembly includes the movable seat, the movable seat is fixedly connected on the top of both sides of the mounting seat, the inner wall of the movable seat is swingly connected with the replacement seat, both sides of the rubber scraper are equipped with the replacement groove, the inner side of the replacement seat is swingly connected with the inner wall of the replacement groove, the inside of the movable seat is provided with the spring, one end of the spring is fixedly connected with the outer side of the replacement seat, the other end of the spring is fixedly connected with the outer side of the inner wall of the movable seat.

[0009] As the utility model is preferred, both sides of the top of the inner wall of the base are fixedly connected with the limiting rod, both sides of the surface of the moving plate are equipped with the limiting hole, the surface of the limiting rod is swingly connected with the inner wall of the limiting hole.

[0010] As the utility model is preferred, the front side of the right side of the base is fixedly installed with the time relay, the time relay is electrically connected with the servo motor through the wire.

[0011] As the utility model is preferred, the top of the replacement seat is fixedly connected with the pull block, the pull block is V-shaped arrangement.

[0012] As the utility model is preferred, both sides of the rubber scraper are fixedly connected with the connecting strip, the surface of the connecting strip is fixedly connected with the brush, the number of the brush is provided with several groups and is equidistance distribution.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] 1. The utility model discloses a sliding slot, mounting seat, rubber scraper, drive mechanism and replacement component are set up, can utilize drive mechanism and drive mounting seat and rubber scraper along the surface of heat preservation shell movement to the automatic cleaning heat preservation shell surface dust, dirt and other pollutants, avoid the accumulation of pollutants to cause heat loss aggravation, improve the waste heat recovery efficiency, the heat preservation shell surface is easy to adsorb the dust, dirt, corrosive gas and other pollutants in industrial environment, because of lacking cleaning structure, it is inconvenient to clean the pollutants, lead to heat loss aggravation, reduce the waste heat recovery efficiency's problem, have the advantage that it is convenient to clean.

[0015] 2. The utility model discloses a drive mechanism is set up, can make servo motor drive reciprocating screw rotation, make moving plate reciprocating motion along reciprocating screw, and then drive mounting seat and rubber scraper reciprocating cleaning movement on the surface of heat preservation shell, compared with one -way cleaning, cleaning is more comprehensive, improve cleaning effect, and simple structure, stable and reliable operation.

[0016] 3. The utility model discloses a replacement component is set up, can make replacement seat tightly card into the replacement groove of rubber scraper by spring, guarantee the stability of rubber scraper in the cleaning process, when rubber scraper wears and needs replacement, only need to overcome the spring elasticity to be easy to take out replacement, convenient and fast operation, reduce maintenance cost. DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the three-dimensional structure schematic diagram of the drive mechanism of the utility model;

[0019] Figure 3 It is the local section three-dimensional structure schematic diagram of the mounting seat of the utility model.

[0020] In the drawing: 1, base;2, device body;3, U type frame;4, drive motor;5, bidirectional screw;6, moving seat;7, heat preservation shell;8, sliding slot;9, mounting seat;10, rubber scraper;11, drive mechanism;111, N type seat;112, servo motor;113, reciprocating screw;114, moving plate;12, replacement component;121, movable seat;122, replacement seat;123, replacement groove;124, spring;13, limit rod;14, limit hole;15, time relay;16, pull block;17, connecting strip;18, brush. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] As Figures 1 to 3 shown, the utility model provides a kind of waste heat recovery device for oilless air compressor, including base 1, device body 2, U type frame 3, drive motor 4, bidirectional screw 5, mobile seat 6 and heat preservation shell 7, device body 2 is fixedly connected at the top of base 1, U type frame 3 is fixedly connected at the right side of the top of base 1, drive motor 4 is fixedly installed at the back side of U type frame 3, bidirectional screw 5 is fixedly connected at the output end of drive motor 4, mobile seat 6 is screw-connected at the both sides of the surface of bidirectional screw 5, heat preservation shell 7 is fixedly connected at the left side of mobile seat 6, the both sides of the top of base 1 are all provided with sliding groove 8, the inner wall of sliding groove 8 is movably connected with mounting seat 9, the inner wall of mounting seat 9 is movably connected with rubber scraper 10, the inner side of rubber scraper 10 is movably connected with the surface of heat preservation shell 7, the top of the inner wall of base 1 is fixedly installed with driving mechanism 11, the top of the both sides of mounting seat 9 is fixedly connected with replacement assembly 12.

[0023] Reference Figure 1 and Figure 2 , driving mechanism 11 includes U-shaped seat 111, U-shaped seat 111 is fixedly installed at the top of the inner wall of base 1, servo motor 112 is fixedly installed at the right side of U-shaped seat 111, the output end of servo motor 112 is fixedly connected with reciprocating screw 113, the surface of reciprocating screw 113 is screw-connected with moving plate 114, the both sides of the top of moving plate 114 are fixedly connected with the bottom of mounting seat 9.

[0024] As a kind of technical optimization scheme of the utility model, by setting driving mechanism 11, can make servo motor 112 drive reciprocating screw 113 rotation, so that moving plate 114 reciprocating motion along reciprocating screw 113, to drive mounting seat 9 and rubber scraper 10 reciprocating cleaning movement on the surface of heat preservation shell 7, compared with one-way cleaning, cleaning is more comprehensive, improve cleaning effect;And simple structure, stable and reliable operation.

[0025] Reference Figure 2 and Figure 3The replacement assembly 12 comprises a movable seat 121 fixedly connected to the top of the two sides of the mounting seat 9, the inner wall of the movable seat 121 movably connected with a replacement seat 122, the two sides of the rubber scraper 10 are provided with a replacement groove 123, the inner side of the replacement seat 122 is movably connected with the inner wall of the replacement groove 123, the inside of the movable seat 121 is provided with a spring 124, one end of the spring 124 is fixedly connected with the outer side of the replacement seat 122, and the other end of the spring 124 is fixedly connected with the outer side of the inner wall of the movable seat 121.

[0026] As a technical optimization scheme of the utility model, through the replacement assembly 12, the replacement seat 122 can be tightly clamped into the replacement groove 123 of the rubber scraper 10 through the spring 124, the stability of the rubber scraper 10 during cleaning is ensured, when the rubber scraper 10 needs to be replaced due to wear, the replacement can be easily taken out by overcoming the elastic force of the spring 124, the operation is convenient and fast, and the maintenance cost is reduced.

[0027] Reference Figure 1 And Figure 2 The two sides of the inner wall top of the base 1 are fixedly connected with limiting rods 13, limiting holes 14 are formed in the surface of the moving plate 114, and the surface of the limiting rod 13 is movably connected with the inner wall of the limiting hole 14.

[0028] As a technical optimization scheme of the utility model, through the limiting rod 13 and the limiting hole 14, the limiting rod 13 can cooperate with the limiting hole 14 on the moving plate 114, the movement direction of the moving plate 114 can be limited, the moving plate 114 can be prevented from deviating or shaking during movement, the mounting seat 9 and the rubber scraper 10 can be ensured to move stably on the surface of the heat preservation shell 7, and the cleaning accuracy and stability are improved.

[0029] Reference Figure 1 And Figure 2 The front side of the right side of the base 1 is fixedly provided with a time relay 15, and the time relay 15 is electrically connected with the servo motor 112 through wires.

[0030] As a technical optimization scheme of the utility model, through the time relay 15, the working time and interval time of the servo motor 112 can be set, the cleaning work can be automatically operated at a fixed time, manual frequent operation is not needed, the convenience and automation degree of equipment use are improved.

[0031] Reference Figure 2 And Figure 3 The top of the replacement seat 122 is fixedly connected with a pull block 16, and the pull block 16 is in a V-shaped structure.

[0032] As a technical optimization scheme of the utility model, through setting the pull block 16, the V-shaped pull block 16 is convenient for the operator to grasp, when replacing the rubber scraper 10, the replacement seat 122 can be pulled out from the replacement groove 123 more easily by pulling the pull block 16, and the convenience of replacement operation is further improved.

[0033] Reference Figure 2 And Figure 3 The rubber scraper 10 is fixedly connected with the connecting strip 17 on both sides, the surface of the connecting strip 17 is fixedly connected with the brush 18, and the number of the brush 18 is set to several groups and is distributed at equal distances.

[0034] As a technical optimization scheme of the utility model, through setting the connecting strip 17 and the brush 18, the connecting strip 17 and the brush 18 on both sides of the rubber scraper 10 can further clean the gaps and corners that are difficult to reach of the rubber scraper 10 on the basis of cleaning the rubber scraper 10, the surface of the heat preservation shell 7 is cleaned more carefully and comprehensively, the cleaning effect is further improved, the pollutant residue is reduced, and the heat loss is reduced.

[0035] The working principle and use process of the utility model are as follows: in use, firstly, the driving motor 4 is started to drive the bidirectional screw rod 5 to rotate, the bidirectional screw rod 5 drives the moving seat 6 to move to the inside, the moving seat 6 drives the heat preservation shell 7 to cover the device body 2, since the heat preservation shell 7 is the foam of heat preservation material, therefore can play the heat preservation effect, when needing to clean the heat preservation shell 7, the driving motor 4 is rotated to the opposite direction, thereby can drive the heat preservation shell 7 to complete opening, then the servo motor 112 is started, the reciprocating screw rod 113 at the output end of the servo motor 112 is rotated, since the moving plate 114 is screw connected with the reciprocating screw rod 113, and the two sides at the top of the moving plate 114 are fixedly connected with the mounting seat 9 at the bottom, meanwhile, the limiting rods 13 at the two sides at the top of the inner wall of the base 1 cooperate with the limiting holes 14 at the two sides of the surface of the moving plate 114, the movement direction of the moving plate 114 is limited, so when the reciprocating screw rod 113 rotates, the moving plate 114 will make reciprocating motion along the reciprocating screw rod 113, further drives the mounting seat 9 and the rubber scraper 10 to make reciprocating cleaning motion on the surface of the heat preservation shell 7, through the rubber scraper 10 inside closely sticking to the surface of the heat preservation shell 7, can scrape the dust, oil stains and other pollutants adsorbed on the surface, and the brush 18 on the connecting strip 17 at the two sides of the rubber scraper 10 can further clean the gap and corner difficult to touch of the rubber scraper 10, carries out more meticulous, comprehensive cleaning to the surface of the heat preservation shell 7, reduces the pollutant residue, reduces the heat loss, improves the waste heat recovery efficiency, thereby realizes the effect of the cleaning function, in the process of cleaning, the spring 124 in the movable seat 121 makes the replacement seat 122 tightly clamped into the replacement groove 123 of the rubber scraper 10, guarantees the stability of the rubber scraper 10 in the cleaning process, when needing to replace, the operator can pull the pull block 16 in V-shaped arrangement at the top of the replacement seat 122, overcomes the elastic force of the spring 124, easily pulls out the replacement seat 122 from the replacement groove 123, thereby takes out the worn rubber scraper 10 to replace, convenient and fast operation, reduces the maintenance cost.

[0036] In conclusion: the waste heat recovery device for oil-free air compressor, through the setting of the chute 8, the mounting seat 9, the rubber scraper 10, the driving mechanism 11 and the replacement assembly 12, can drive the mounting seat 9 and the rubber scraper 10 to move along the surface of the heat preservation shell 7 by the driving mechanism 11, thereby automatically cleans the dust, oil stains and other pollutants on the surface of the heat preservation shell 7, avoids the pollutant accumulation to cause the heat loss aggravation, improves the waste heat recovery efficiency, solves the problem that the pollutants such as dust, oil stains and corrosive gas in the industrial environment are easily adsorbed on the surface of the heat preservation shell, since lacking the cleaning structure, is inconvenient to clean the pollutants, causes the heat loss aggravation, reduces the waste heat recovery efficiency.

[0037] It is to be noted that, in the present document, relational terms such as first and second and the like can be 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] While the embodiments of the present application have been illustrated 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 spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A waste heat recovery device for an oil-free air compressor, comprising a base (1), a device body (2), a U-shaped frame (3), a drive motor (4), a bidirectional screw (5), a movable seat (6), and an insulation shell (7), characterized in that: The device body (2) is fixedly connected to the top of the base (1), the U-shaped frame (3) is fixedly connected to the right side of the top of the base (1), the drive motor (4) is fixedly installed on the rear side of the U-shaped frame (3), the bidirectional screw (5) is fixedly connected to the output end of the drive motor (4), the movable seat (6) is threadedly connected to both sides of the surface of the bidirectional screw (5), the heat insulation shell (7) is fixedly connected to the left side of the movable seat (6), the top of the base (1) is provided with sliding grooves (8) on both sides, the inner wall of the sliding groove (8) is movably connected to the mounting seat (9), the inner wall of the mounting seat (9) is movably connected to the rubber scraper (10), the inner side of the rubber scraper (10) is movably connected to the surface of the heat insulation shell (7), the top of the inner wall of the base (1) is fixedly installed with a drive mechanism (11), and the top of both sides of the mounting seat (9) is fixedly connected with a replacement component (12).

2. The waste heat recovery device for an oil-free air compressor according to claim 1, characterized in that: The drive mechanism (11) includes a U-shaped base (111), which is fixedly installed on the top of the inner wall of the base (1). A servo motor (112) is fixedly installed on the right side of the U-shaped base (111). A reciprocating screw (113) is fixedly connected to the output end of the servo motor (112). A moving plate (114) is threadedly connected to the surface of the reciprocating screw (113). The two sides of the top of the moving plate (114) are fixedly connected to the bottom of the mounting base (9).

3. The waste heat recovery device for an oil-free air compressor according to claim 1, characterized in that: The replacement assembly (12) includes a movable seat (121), which is fixedly connected to the top of both sides of the mounting base (9). A replacement seat (122) is movably connected to the inner wall of the movable seat (121). Replacement grooves (123) are provided on both sides of the rubber scraper (10). The inner side of the replacement seat (122) is movably connected to the inner wall of the replacement groove (123). A spring (124) is provided inside the movable seat (121). One end of the spring (124) is fixedly connected to the outer side of the replacement seat (122), and the other end of the spring (124) is fixedly connected to the outer side of the inner wall of the movable seat (121).

4. The waste heat recovery device for an oil-free air compressor according to claim 2, characterized in that: Limiting rods (13) are fixedly connected to both sides of the top of the inner wall of the base (1), and limiting holes (14) are opened on both sides of the surface of the moving plate (114). The surface of the limiting rod (13) is movably connected to the inner wall of the limiting hole (14).

5. The waste heat recovery device for an oil-free air compressor according to claim 2, characterized in that: A time relay (15) is fixedly installed on the front right side of the base (1), and the time relay (15) is electrically connected to the servo motor (112) through a wire.

6. The waste heat recovery device for an oil-free air compressor according to claim 3, characterized in that: The top of the replacement seat (122) is fixedly connected to a pull block (16), which is arranged in a V-shape.

7. The waste heat recovery device for an oil-free air compressor according to claim 1, characterized in that: Both sides of the rubber scraper (10) are fixedly connected with connecting strips (17), and brushes (18) are fixedly connected to the surface of the connecting strips (17). The number of brushes (18) is set in several groups and is distributed at equal distances.

Citation Information

Patent Citations

  • Waste heat recovery device for oilless air compressor

    CN219035003U