Protective housing for a screw air compressor

The protective cover structure, featuring a slotted block and spring design, solves the cumbersome installation problem of the screw air compressor's protective shell, enabling quick installation and disassembly, and improving the equipment's operating efficiency and stability.

CN224380108UActive Publication Date: 2026-06-19SUZHOU PELEMENT MEDICAL TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU PELEMENT MEDICAL TECH CO LTD
Filing Date
2025-06-20
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

The installation and removal of the protective housing for existing screw air compressors is cumbersome, increasing the workload of maintenance personnel and reducing the operating efficiency of the equipment.

Method used

The design of the first and second protective covers, through the use of slots and blocks, and the cooperation of springs and compression blocks, enables quick installation and disassembly, simplifying the bolt connection process.

Benefits of technology

It improved installation efficiency, simplified the operation process, ensured the stability and convenience of the equipment, and enhanced the ease of use of the equipment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224380108U_ABST
    Figure CN224380108U_ABST
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Abstract

This utility model discloses a protective housing for a screw air compressor, belonging to the field of screw air compressor protective housings. A base is fixedly connected to the bottom of the air compressor body, and a first protective cover is slidably connected inside the base. A connecting block is slidably connected to the top of the first protective cover, and a first spring is fixedly connected to the outer wall of the connecting block. This utility model, through the arrangement of a first protective cover, a second protective cover, a pressing block, a force-bearing block, a connecting block, a locking block, an overlapping block, and a locking groove, ensures that when the locking block and the locking groove are aligned, the reset of the first spring ensures that the locking block can be inserted into the locking groove for quick installation. Furthermore, when it is necessary to disassemble the first and second protective covers, simply pushing the actuating block inwards causes the connecting block to move inwards, thus separating the locking groove from the locking block. This design significantly improves installation efficiency while avoiding a series of cumbersome problems associated with traditional bolt connections.
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Description

Technical Field

[0001] This utility model relates to the technical field of protective housings for screw air compressors, specifically a protective housing for a screw air compressor. Background Technology

[0002] Screw air compressors are pre-configured and require only a single power supply and compressed air connection. They also feature a built-in cooling system, greatly simplifying installation. Screw air compressors consistently provide high-quality compressed air to various industries due to their high efficiency, maintenance-free operation, and high reliability. When the screw air compressor is idle, it is necessary to use a protective casing to completely surround and protect it from dust, oil, and moisture, preventing these contaminants from entering the machine, protecting core components, and extending equipment lifespan. This is especially important in harsh environments.

[0003] In the prior art, a Chinese utility model patent discloses a protective housing for a screw air compressor (publication number: CN220151551U), which includes an outer casing, a ventilation window and a window frame. It facilitates ventilation and heat dissipation for the screw air compressor inside the outer casing, and the slanted slot prevents rainwater from splashing in. It also makes it easy to move the outer casing to the outside for use. It can protect against rainwater and prevent the screw air compressor from short-circuiting due to contact with rainwater.

[0004] However, installing or removing the protective housing requires tightening or loosening multiple bolts to achieve this operation, which not only increases the workload of maintenance personnel but also reduces operational efficiency when the equipment needs protection during use or after it is idle. Therefore, this invention provides a protective housing for a screw air compressor to solve the above problems. Utility Model Content

[0005] This utility model provides a protective housing for a screw air compressor, aiming to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a protective shell for a screw air compressor, comprising an air compressor body, a base fixedly connected to the bottom of the air compressor body, a first protective cover slidably connected inside the base, a connecting block slidably connected to the top of the first protective cover, a first spring fixedly connected to the outer wall of the connecting block, the end of the first spring away from the connecting block being fixedly connected to the top of the first protective cover, a locking block fixedly connected to the bottom of the connecting block, a second protective cover slidably connected inside the base, an overlapping block fixedly connected to the top of the second protective cover, and a slot for the locking block to be inserted into the overlapping block.

[0007] As a further optimization, a force-bearing block is fixedly connected to the outer wall of the connecting block, and a toggle block is fixedly connected to the top of the force-bearing block.

[0008] As a further optimization, the top of the second protective cover is fixedly connected to a squeezing block that contacts the force-bearing block, and the squeezing block is arc-shaped to fit the outer wall of the force-bearing block.

[0009] As a further optimization, handles are fixedly connected to the outer walls of both the first protective cover and the second protective cover, and a sliding groove is provided on the top of the base for the first protective cover and the second protective cover to slide.

[0010] As a further optimization, a connecting rod is slidably connected inside the base, and a friction plate is fixedly connected to one end of the connecting rod near the ground.

[0011] As a further optimization, a first inclined block is fixedly connected to the end of the connecting rod away from the friction plate, and a second inclined block that contacts the first inclined block is fixedly connected to the outer walls of both the first protective cover and the second protective cover.

[0012] As a further optimization, a second spring is fixedly connected to the bottom of the first inclined block on the outer ring of the connecting rod, and the end of the second spring away from the first inclined block is fixedly connected to the top of the base.

[0013] As a further optimization, the bottom of the friction plate is provided with an anti-slip layer, and the bottom of the base is fixedly connected with casters.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: By setting up a first protective cover, a second protective cover, a squeezing block, a force-bearing block, a connecting block, a locking block, an overlapping block, and a locking groove, the operator only needs to bring the first and second protective covers close to each other, so that the squeezing block will automatically contact the force-bearing block and generate an interaction force, causing the force-bearing block to move the connecting block outward, so that the locking groove on the overlapping block can match the position of the locking block. When the locking block and the locking groove are aligned, the reset of the first spring can ensure that the locking block can be locked into the locking groove for quick installation. Furthermore, when it is necessary to disassemble the first and second protective covers, it is only necessary to push the actuating block inward to move the connecting block inward to separate the locking groove and the locking block. This design significantly improves the installation efficiency and avoids a series of cumbersome problems caused by traditional bolt connections. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the air compressor body of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the first and second protective covers of this utility model;

[0018] Figure 4 for Figure 3 A magnified structural diagram at point A;

[0019] Figure 5 for Figure 3 A magnified structural diagram at point B;

[0020] Figure 6 for Figure 3 A magnified structural diagram at point C;

[0021] In the diagram: 1. Air compressor body; 2. Base; 3. First protective cover; 4. Connecting block; 5. First spring; 6. Locking block; 7. Second protective cover; 8. Overlapping block; 9. Locking groove; 10. Force-bearing block; 11. Actuating block; 12. Squeezing block; 13. Handle; 14. Slide groove; 15. Connecting rod; 16. Friction plate; 17. First inclined block; 18. Second inclined block; 19. Second spring; 20. Caster wheel. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] This utility model provides a protective housing for a screw air compressor, such as... Figures 1 to 6 As shown, the protective housing includes an air compressor body 1, a base 2 fixedly connected to the bottom of the air compressor body 1, a first protective cover 3 slidably connected inside the base 2, a connecting block 4 slidably connected to the top of the first protective cover 3, a first spring 5 fixedly connected to the outer wall of the connecting block 4, the end of the first spring 5 away from the connecting block 4 being fixedly connected to the top of the first protective cover 3, a locking block 6 fixedly connected to the bottom of the connecting block 4, a second protective cover 7 slidably connected inside the base 2, an overlapping block 8 fixedly connected to the top of the second protective cover 7, and a slot 9 for the locking block 6 to be inserted into the overlapping block 8.

[0024] A force-bearing block 10 is fixedly connected to the outer wall of the connecting block 4, and a toggle block 11 is fixedly connected to the top of the force-bearing block 10.

[0025] The top of the second protective cover 7 is fixedly connected to a pressing block 12 that contacts the force-bearing block 10. The pressing block 12 and the outer wall of the force-bearing block 10 are arc-shaped and adapted.

[0026] The outer walls of the first protective cover 3 and the second protective cover 7 are both fixedly connected with handles 13, and the top of the base 2 is provided with a sliding groove 14 for the first protective cover 3 and the second protective cover 7 to slide.

[0027] Specifically, when the first protective cover 3 and the second protective cover 7 need to be installed to protect the air compressor body 1, firstly, the first protective cover 3 and the second protective cover 7 are embedded into the sliding groove 14 on the base 2, ensuring that the moving positions of the first protective cover 3 and the second protective cover 7 are consistent and coordinated. Then, they are brought closer to each other. At this time, the squeezing block 12 will contact the force-bearing block 10. Due to the arc-shaped fitting design of the outer walls of the two, the squeezing block 12 will push the force-bearing block 10 to move outward, causing the connecting block 4 to compress the first spring 5, so that the locking block 6 moves outward to a suitable position for the overlapping block 8 to continue moving. When the locking groove 9 on the overlapping block 8 moves to the position where it meets the first protective cover 7, the first protective cover 3 and the second protective cover 7 are installed together. When the locking block 6 is aligned, the pressing block 12 also moves to the other side of the arc surface of the force-bearing block 10. After the locking block 6 is subjected to vacuum force by the locking groove 9, the elastic force of the first spring 5 will cause the locking block 6 to automatically embed into the locking groove 9, thus completing the quick locking of the first protective cover 3 and the second protective cover 7. When disassembling, simply push the connecting block 4 inward by the toggle block 11 to make the locking block 6 disengage from the locking groove 9. Then, move the second protective cover 7 to one side by the handle 13 to complete the disassembly and separation between the first protective cover 3 and the second protective cover 7. This design not only ensures the stability of the installation between the first protective cover 3 and the second protective cover 7, but also facilitates the installation and disassembly operations when protection is needed during daily use or after idleness.

[0028] A connecting rod 15 is slidably connected inside the base 2, and a friction plate 16 is fixedly connected to one end of the connecting rod 15 near the ground.

[0029] The end of the connecting rod 15 away from the friction plate 16 is fixedly connected to a first inclined block 17, and the outer walls of the first protective cover 3 and the second protective cover 7 are both fixedly connected to a second inclined block 18 that contacts the first inclined block 17.

[0030] The bottom of the first inclined block 17 is fixedly connected to the outer ring of the connecting rod 15 with a second spring 19. The end of the second spring 19 away from the first inclined block 17 is fixedly connected to the top of the base 2.

[0031] The bottom of the friction plate 16 is provided with an anti-slip layer, and the bottom of the base 2 is fixedly connected with a caster wheel 20.

[0032] Specifically, when the first protective cover 3 and the second protective cover 7 approach each other, the second inclined block 18 on its outer wall will contact the first inclined block 17 and apply pressure to it. Under the action of the inclined block, the first inclined block 17 will drive the connecting rod 15 to slide downward, so that the friction plate 16 is in close contact with the ground. This design can effectively increase the friction between the base 2 and the ground, prevent the first protective cover 3 and the second protective cover 7 from shifting during installation. At the same time, it also provides good stability for the air compressor body 1 under protection, and avoids the air compressor body 1 from being violently shaken after displacement and impact with an object, even if it is protected by the first protective cover 3 and the second protective cover 7. This will prevent damage to the internal components.

[0033] Meanwhile, the second spring 19 is compressed and stores elastic potential energy, providing power for the subsequent reset action. After the first protective cover 3 and the second protective cover 7 are disassembled, the second inclined block 18 no longer applies pressure to the first inclined block 17. At this time, the elastic force of the second spring 19 will cause the connecting rod 15 to reset upward, driving the friction plate 16 to leave the ground and return to the initial state. Thus, the universal wheel 20 can be used to move the air compressor body 1. At the same time, the anti-slip layer is made of wear-resistant rubber material, and the surface is designed with staggered anti-slip textures, which can significantly improve the friction coefficient with the ground. The universal wheel 20 is equipped with a locking device. After the first protective cover 3 and the second protective cover 7 are disassembled, the wheel position can be fixed by the locking mechanism to ensure that the air compressor body 1 will not move unexpectedly during operation. This combination design not only ensures the stability during installation, but also facilitates the overall movement of the air compressor body 1 when needed, greatly improving the convenience of use.

[0034] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A protective casing for a screw air compressor comprising an air compressor body (1), characterized in that: The air compressor body (1) is fixedly connected to a base (2) at the bottom. A first protective cover (3) is slidably connected inside the base (2). A connecting block (4) is slidably connected to the top of the first protective cover (3). A first spring (5) is fixedly connected to the outer wall of the connecting block (4). The end of the first spring (5) away from the connecting block (4) is fixedly connected to the top of the first protective cover (3). A locking block (6) is fixedly connected to the bottom of the connecting block (4). A second protective cover (7) is slidably connected inside the base (2). An overlapping block (8) is fixedly connected to the top of the second protective cover (7). A slot (9) for the locking block (6) to be inserted is opened inside the overlapping block (8).

2. A protective housing for a screw air compressor as defined in claim 1, wherein: The outer wall of the connecting block (4) is fixedly connected to a force-bearing block (10), and the top of the force-bearing block (10) is fixedly connected to a toggle block (11).

3. The protective housing for a screw air compressor according to claim 2, characterized in that: The top of the second protective cover (7) is fixedly connected to a squeezing block (12) that contacts the force-bearing block (10), and the squeezing block (12) is arc-shaped to fit the outer wall of the force-bearing block (10).

4. A protective housing for a screw air compressor as defined in claim 1, wherein: The outer walls of the first protective cover (3) and the second protective cover (7) are fixedly connected with handles (13), and the top of the base (2) is provided with a sliding groove (14) for the first protective cover (3) and the second protective cover (7) to slide.

5. A protective housing for a screw air compressor as defined in claim 1, wherein: The base (2) is slidably connected to a connecting rod (15), and a friction plate (16) is fixedly connected to one end of the connecting rod (15) near the ground.

6. A protective housing for a screw air compressor as defined in claim 5, wherein: The end of the connecting rod (15) away from the friction plate (16) is fixedly connected to a first inclined block (17), and the outer walls of the first protective cover (3) and the second protective cover (7) are both fixedly connected to a second inclined block (18) that contacts the first inclined block (17).

7. A protective housing for a screw air compressor as defined in claim 6, wherein: The bottom of the first inclined block (17) is fixedly connected to the outer ring of the connecting rod (15) with a second spring (19), and the end of the second spring (19) away from the first inclined block (17) is fixedly connected to the top of the base (2).

8. A protective housing for a screw air compressor as defined in claim 5, wherein: The friction plate (16) has an anti-slip layer at the bottom, and the base (2) is fixedly connected to a caster wheel (20).