Cast iron exhaust valve box of oscillating bar air compressor
By using cast iron materials and reinforcing rib structure, the deformation, leakage and falling problems of the aluminum alloy exhaust valve box are solved, higher sealing and safety are achieved, and maintenance costs are reduced.
Patent Information
- Application Number
- CN202422904942.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-27
AI Technical Summary
The existing rocker arm air compressor exhaust valve box is made of aluminum alloy, which is prone to deformation and leakage due to thermal expansion and contraction, and is easily oxidized, causing bolt breakage. It is also easy to fall off under vibration and impact environments, posing a safety hazard.
Cast iron material is used to replace aluminum alloy, and reinforcement ribs are added to the sealing box to improve strength. The cast iron bracket is fixed to the air compressor cylinder body through a limiting structure to ensure sealing and stability and avoid deformation and bolt locking.
The low thermal expansion coefficient and stability of cast iron material avoid air leakage and bolt breakage, reduce maintenance costs, eliminate safety hazards, and improve equipment reliability and safety.
Smart Images

Figure CN223359351U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical engineering, in particular to a cast iron exhaust valve box for a swing arm air compressor. Background Art
[0002] The exhaust valve box of the swing arm air compressor is one of the key components of the swing arm air compressor. It is responsible for discharging the compressed air from the cylinder and guiding it to the air storage tank or other use points; the simple structure and mature manufacturing process of the exhaust valve box of the swing arm air compressor make the failure rate low and improve the reliability of the equipment; the exhaust valve box has a simple structure, which is easy to inspect and maintain, reducing downtime and maintenance costs. However, the popular exhaust valve boxes of the swing arm air compressor on the market have obvious defects: First, the exhaust valve box of the swing arm air compressor is usually made of die-cast aluminum alloy. Aluminum alloy is easy to deform and leak due to thermal expansion and contraction, and aluminum alloy is easily oxidized, causing bolts to break, and maintenance and replacement costs are high; secondly, the working environment of the exhaust valve box will encounter vibration, impact, etc. Without reinforcement measures, the exhaust valve box is likely to fall off, posing a safety hazard; therefore, it is necessary to design a cast iron exhaust valve box for a swing arm air compressor. Utility Model Content
[0003] The purpose of the utility model is to provide a cast iron exhaust valve box for a rocker arm air compressor, so as to solve the defects of the existing aluminum alloy that is easy to deform and leak due to thermal expansion and contraction, and the aluminum alloy is easy to be oxidized, causing bolts to break, and encountering vibration, impact, etc., and there are no reinforcement measures, which easily causes the exhaust valve box to fall off.
[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a cast iron exhaust valve box for a rocker arm air compressor, comprising an exhaust mounting platform, an exhaust pipe, a cast iron bracket, a sealing box body, reinforcing ribs and bolt holes, wherein the exhaust pipe is fixedly connected to the through hole opened on the exhaust mounting platform, and the exhaust pipe is fixedly connected to the sealing box body; the exhaust mounting platform is fixedly connected to the cast iron bracket, and a round table is symmetrically fixedly connected to the cast iron bracket, and bolt holes are opened on the round table; the sealing box body and reinforcing ribs are fixedly connected to the cast iron bracket, and reinforcing ribs are symmetrically welded on the sealing box body.
[0005] As a further technical solution of the present invention, the cast iron bracket is fixedly connected to a first fixing plate, the first fixing plate is fixedly connected to a first connecting plate, the first connecting plate is slidably connected to a first limiting plate, and a through hole opened on the first limiting plate is sleeved with a first bolt.
[0006] As a further technical solution of the present invention, one end of the first bolt is fixedly connected to the first limiting plate through a nut, and the other end of the first bolt is sleeved into a through hole opened in the first fixing plate.
[0007] As a further technical solution of the present invention, the first connecting plate is fixedly connected to the first rotating shaft, the first rotating shaft is rotatably connected to the first rotating plate, one end of the first spring is fixedly connected to the groove opened in the first rotating plate, the other end of the first spring is fixedly connected to the first clamping block, and the first clamping block is slidably connected to the groove opened in the first rotating plate.
[0008] As a further technical solution of the present invention, a sliding block is slidably connected in the sliding groove opened by the first rotating plate, the sliding block is slidably connected to the sliding groove opened by the second rotating plate, the second rotating plate is rotatably connected to the second rotating shaft, the second rotating shaft is fixedly connected to the second connecting plate, the second connecting plate is fixedly connected to the second limiting plate, and the through hole opened by the second limiting plate is sleeved with a second bolt.
[0009] As a further technical solution of the present invention, one end of the second spring is fixedly connected to the groove opened in the second rotating plate, the other end of the second spring is fixedly connected to the second clamping block, and the second clamping block is slidably connected to the groove opened in the second rotating plate.
[0010] As a further technical solution of the present invention, one end of the second bolt is fixedly connected to the second limiting plate through a nut, and the other end of the second bolt is sleeved into the through hole opened in the second fixing plate, and the second fixing plate is fixedly connected to the cast iron bracket.
[0011] The utility model provides a cast iron exhaust valve box for a swing arm air compressor, which has the following advantages: by replacing the aluminum alloy material with cast iron material, the thermal expansion coefficient of the cast iron part is low and air leakage due to deformation of the mounting surface will not occur; by installing reinforcing ribs on the sealing box body to strengthen the strength of the sealing box body and prevent its deformation, the chemical properties of the cast iron part are stable and the mounting holes and bolts will not be locked, thereby eliminating the phenomenon of disassembly and breakage due to locking, and the maintenance cost is low; the first limiting plate and the second limiting plate are placed close to the cylinder body of the swing arm air compressor, with the first fixing plate and the first connecting plate as support, and the nut is tightened to tighten the first bolt. With the second limiting plate and the second fixing plate as support, the second bolt is tightened, the first rotating plate is rotated clockwise around the first rotating axis, and the second rotating plate is rotated counterclockwise around the second rotating axis to press the first clamping block into the groove opened in the first rotating plate, and compress the first spring to move the sliding block on the first rotating plate along the groove opened in the first rotating plate and the second rotating plate, loosen the first clamping block, and with the first clamping block and the second clamping block as support, fix the sliding block, press the first rotating plate and the second rotating plate against the circular table, strengthen the connection between the exhaust valve box and the rocker arm air compressor, and eliminate safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0013] Figure 1 This is the overall structural diagram of the utility model;
[0014] Figure 2 for Figure 1 A partial enlarged view of area A in the middle;
[0015] Figure 3 for Figure 1 A partial enlarged view of the middle B area;
[0016] Figure 4 This is an overall top view of the utility model;
[0017] Figure 5 It is the overall front view of the utility model;
[0018] Figure 6 This is an overall cross-sectional view of the fixing device of the present invention.
[0019] In the figure: 1. Exhaust mounting platform; 2. Exhaust pipe; 3. Cast iron bracket; 4. Sealing box; 5. Reinforcement rib; 6. Bolt hole; 7. First limiting plate; 8. First bolt; 9. First connecting plate; 10. First fixed plate; 11. First rotating shaft; 12. First rotating plate; 13. First clamping block; 14. Sliding block; 15. Second clamping block; 16. Second rotating plate; 17. Cone; 18. Second limiting plate; 19. Second connecting plate; 20. Second bolt; 21. Second rotating shaft; 22. Second fixed plate; 23. First spring; 24. Second spring. DETAILED DESCRIPTION
[0020] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0021] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0022] Please see the attached Figure 1 -Attached Figure 6 , the utility model provides an embodiment: a rocker air compressor cast iron exhaust valve box, including an exhaust mounting platform 1, an exhaust pipe 2, a cast iron bracket 3, a sealing box 4, a reinforcing rib 5 and a bolt hole 6, the exhaust mounting platform 1 is fixedly connected to the through hole with the exhaust pipe 2, and the exhaust pipe 2 is fixedly connected to the sealing box 4; the exhaust mounting platform 1 is fixedly connected to the cast iron bracket 3, and the cast iron bracket 3 is symmetrically fixedly connected with a round table 17, and the round table 17 is provided with a bolt hole 6; the cast iron bracket 3 is fixedly connected to the sealing box 4 and the reinforcing rib 5, and the sealing box 4 is symmetrically welded with Reinforcement rib 5; the cast iron bracket 3 is fixedly connected to the first fixing plate 10, and the first connecting plate 9 is fixedly connected to the first fixing plate 10. The first connecting plate 9 is slidably connected to the first limiting plate 7, and the through hole opened on the first limiting plate 7 is sleeved with a first bolt 8; one end of the first bolt 8 is fixedly connected to the first limiting plate 7 through a nut, and the other end of the first bolt 8 is sleeved in the through hole opened in the first fixing plate 10; the first connecting plate 9 is fixedly connected to the first rotating shaft 11, and the first rotating shaft 11 is rotatably connected to the first rotating plate 12, and the first elastic member is fixedly connected in the groove opened in the first rotating plate 12 One end of the spring 23, the other end of the first spring 23 is fixedly connected to the first clamping block 13, the first clamping block 13 is slidably connected to the groove opened in the first rotating plate 12; the sliding groove opened in the first rotating plate 12 is slidably connected with the sliding block 14, the sliding block 14 is slidably connected to the sliding groove opened in the second rotating plate 16, the second rotating plate 16 is rotatably connected to the second rotating shaft 21, the second rotating shaft 21 is fixedly connected to the second connecting plate 19, the second connecting plate 19 is fixedly connected to the second limiting plate 18, the through hole opened in the second limiting plate 18 is sleeved with a second bolt 20, the sliding block 14 is for In order to fix the first rotating plate 12 and the second rotating plate 16; one end of the second spring 24 is fixedly connected to the groove opened in the second rotating plate 16, and the other end of the second spring 24 is fixedly connected to the second clamping block 15, and the second clamping block 15 is slidably connected to the groove opened in the second rotating plate 16; one end of the second bolt 20 is fixedly connected to the second limiting plate 18 through a nut, and the other end of the second bolt 20 is sleeved in the through hole opened in the second fixed plate 22, and the second fixed plate 22 is fixedly connected to the cast iron bracket 3, and the second bolt 20 serves to fix the second limiting plate 18.
[0023] Specifically, when in use, first, the aluminum alloy material is replaced with cast iron material. The cast iron part has a low thermal expansion coefficient and will not cause air leakage due to deformation of the mounting surface. The strength of the sealed box body 4 is strengthened by installing reinforcing ribs 5 on the sealed box body 4 to prevent its deformation. The cast iron part has stable chemical properties and will not cause the mounting holes and bolts to lock, thereby eliminating the phenomenon of disassembly and breakage due to locking, and the maintenance cost is low; the first limiting plate 7 and the second limiting plate 18 are placed close to the cylinder body of the rocker arm air compressor, with the first fixing plate 10 and the first connecting plate 9 as support, the nut is tightened to tighten the first bolt 8, and the second limiting plate 18 and the second fixing plate 22 are supported, and the second bolt 2 0 is tightened, the first rotating plate 12 is rotated clockwise around the first rotating axis 11, and the second rotating plate 16 is rotated counterclockwise around the second rotating axis 21, the first clamping block 13 is pressed into the groove provided in the first rotating plate 12, and the first spring 23 is compressed, the sliding block 14 on the first rotating plate 12 is moved along the groove provided in the first rotating plate 12 and the second rotating plate 16, the first clamping block 13 is released, and the first clamping block 13 and the second clamping block 15 are used as support to fix the sliding block 14, and the first rotating plate 12 and the second rotating plate 16 are pressed against the circular table 17, thereby strengthening the connection between the exhaust valve box and the rocker arm air compressor and eliminating safety hazards.
[0024] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0025] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.
[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims
1. A cast iron exhaust valve box for a rocker arm air compressor, comprising an exhaust mounting platform (1), an exhaust pipe (2), a cast iron bracket (3), a sealing box body (4), a reinforcing rib (5) and a bolt hole (6), characterized in that: An exhaust pipe (2) is fixedly connected to a through hole provided on the exhaust installation platform (1), and the exhaust pipe (2) is fixedly connected to the sealing box (4); the exhaust installation platform (1) is fixedly connected to the cast iron bracket (3), and a round platform (17) is symmetrically fixedly connected to the cast iron bracket (3), and a bolt hole (6) is provided on the round platform (17); the sealing box (4) and a reinforcing rib (5) are fixedly connected to the cast iron bracket (3), and the reinforcing rib (5) is symmetrically welded to the sealing box (4).
2. The cast iron exhaust valve box for a swing arm air compressor according to claim 1, characterized in that: The cast iron bracket (3) is fixedly connected to a first fixing plate (10), a first connecting plate (9) is fixedly connected to the first fixing plate (10), the first connecting plate (9) is slidably connected to a first limiting plate (7), and a through hole provided on the first limiting plate (7) is sleeved with a first bolt (8).
3. The cast iron exhaust valve box for a swing arm air compressor according to claim 2, characterized in that: One end of the first bolt (8) is fixedly connected to the first limiting plate (7) through a nut, and the other end of the first bolt (8) is sleeved into a through hole opened on the first fixing plate (10).
4. The cast iron exhaust valve box for a swing arm air compressor according to claim 2, characterized in that: The first connecting plate (9) is fixedly connected to the first rotating shaft (11), the first rotating shaft (11) is rotatably connected to the first rotating plate (12), one end of the first spring (23) is fixedly connected to the groove provided in the first rotating plate (12), the other end of the first spring (23) is fixedly connected to the first clamping block (13), and the first clamping block (13) is slidably connected to the groove provided in the first rotating plate (12).
5. The cast iron exhaust valve box for a swing arm air compressor according to claim 4, characterized in that: A sliding block (14) is slidably connected in the sliding groove opened by the first rotating plate (12), and the sliding block (14) is slidably connected to the sliding groove opened by the second rotating plate (16). The second rotating plate (16) is rotatably connected to the second rotating shaft (21), and the second connecting plate (19) is fixedly connected to the second rotating shaft (21). The second connecting plate (19) is fixedly connected to the second limiting plate (18), and the through hole opened by the second limiting plate (18) is sleeved with a second bolt (20).
6. The cast iron exhaust valve box for a swing arm air compressor according to claim 5, characterized in that: One end of a second spring (24) is fixedly connected to the groove formed in the second rotating plate (16), and the other end of the second spring (24) is fixedly connected to the second clamping block (15). The second clamping block (15) is slidably connected to the groove formed in the second rotating plate (16).
7. The cast iron exhaust valve box for a swing arm air compressor according to claim 5, characterized in that: One end of the second bolt (20) is fixedly connected to the second limiting plate (18) through a nut, and the other end of the second bolt (20) is sleeved into a through hole opened on the second fixing plate (22), and the second fixing plate (22) is fixedly connected to the cast iron bracket (3).