Screw box type multifunctional air compressor convenient to overhaul

Abstract

The utility model provides a screw box type multifunctional air compressor convenient to overhaul, and belongs to the technical field of air compressors. The problem that in the prior art, an air compressor screw box is not easy to disassemble is solved. The air compressor comprises an air compressor body, a screw box and a cold drying box, a first fixing foot and a second fixing foot are fixedly installed at the bottom of the screw box and the bottom of the cold drying box respectively, the first fixing foot and the second fixing foot are fixedly connected with the upper end of the air compressor body, the screw box comprises a main box body, an auxiliary box body and a bottom plate, and the bottom plate is fixedly connected with the first fixing foot. A first connecting face, a second connecting face and a third connecting face are formed at the side end of the main box body, a first connecting frame, a second connecting frame and a third connecting frame are formed at the side end of the auxiliary box body, and the first connecting face, the second connecting face and the third connecting face extend into the auxiliary box body and are attached to the first connecting frame, the second connecting frame and the third connecting frame respectively. A first bolt hole, a second bolt hole and a third bolt hole are formed in the first connecting face, the second connecting face and the third connecting face respectively, and a first nut hole, a second nut hole and a third nut hole are formed in the first connecting frame, the second connecting frame and the third connecting frame respectively. The utility model has the advantage that the screw box is convenient to disassemble.

Description

Technical Field

[0001] This utility model belongs to the field of air compressor technology and relates to a screw box type multi-functional air compressor that is easy to maintain. Background Technology

[0002] The main function of a screw air compressor is to provide high-pressure and stable compressed air for the production process. It is widely used in many industries such as machinery, chemical, electronics, textile, and food.

[0003] Chinese patent CN211549983U discloses a screw-type air compressor housing, including a support frame, a top cover, and multiple doors. The support frame supports the top cover, and the multiple doors cover the sides of the support frame. One door has an independent air inlet for supplying air to the air compressor. An air intake grille is provided between the independent air inlet and the air compressor. The housing includes an operation panel for controlling the air compressor and an emergency stop button. The operation panel and emergency stop button are embedded in one of the multiple doors. The front surface of this door has a groove in which the operation panel and emergency stop button are located. An air intake grille is provided on the independent air inlet. The air intake grille has multiple crisscrossing ribs. The air intake grille is fixed next to the air compressor and is located in the direction of the air intake of the air compressor.

[0004] The patent provides a screw-type air compressor housing in which the door is installed on a support frame. This structure requires a large number of bolts, and the disassembly of the housing is inconvenient when maintenance is needed inside. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a screw-type multi-functional air compressor that is easy to maintain.

[0006] The objective of this utility model can be achieved through the following technical solution: A screw-box type multi-functional air compressor that is easy to maintain includes an air compressor body, a screw box, and a refrigerated drying chamber. The bottom of the screw box and the refrigerated drying chamber are respectively fixedly installed with a first fixing foot and a second fixing foot. The first fixing foot and the second fixing foot are fixedly connected to the upper end of the air compressor body. The screw box includes a main box body, a secondary box body, and a bottom plate. The bottom plate is fixedly connected to the first fixing foot. The side end of the main box body has a first connecting surface, a second connecting surface, and a third connecting surface. The side end of the secondary box body has a first connecting frame, a second connecting frame, and a third connecting frame. The first connecting surface, the second connecting surface, and the third connecting surface extend into the interior of the secondary box body and are respectively attached to the first connecting frame, the second connecting frame, and the third connecting frame. The first connecting surface, the second connecting surface, and the third connecting surface are respectively provided with a first bolt hole, a second bolt hole, and a third bolt hole. The first connecting frame, the second connecting frame, and the third connecting frame are respectively provided with a first nut hole, a second nut hole, and a third nut hole.

[0007] In the aforementioned screw-type multi-functional air compressor that is easy to maintain, both the main housing and the auxiliary housing are structures that lack side end faces and bottom end faces.

[0008] In the aforementioned screw-type multi-functional air compressor that is easy to maintain, a mounting groove is provided at the top of the main housing, and a filter is fixedly installed in the mounting groove.

[0009] In the aforementioned screw-type multi-functional air compressor that is easy to maintain, a main vent is provided on the outer end face of the main housing, and a secondary vent is provided on the outer end face of the auxiliary housing.

[0010] In the aforementioned screw-type multi-functional air compressor that is easy to maintain, there are two air compressor bodies, which are placed in a parallel manner.

[0011] In the aforementioned screw-type multi-functional air compressor that is easy to maintain, a refrigeration and drying device is fixedly installed inside the refrigeration and drying chamber.

[0012] Compared with the prior art, the screw box type multi-functional air compressor provided by this utility model has the following advantages: by dividing the screw box into a main box and an auxiliary box, the main box and the auxiliary box are respectively attached to the inner side of the first connecting frame, the second connecting frame and the third connecting frame through the first connecting surface, the second connecting surface and the third connecting surface, and are fixedly connected by bolts. This structure uses fewer bolts to fix the main box and the auxiliary box, which is convenient for disassembly and maintenance of internal components. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the main box structure;

[0015] Figure 3 This is a schematic diagram of the sub-box structure.

[0016] In the diagram: 1. Air compressor body; 2. Screw box; 21. First fixing foot; 22. Main housing; 221. First connecting surface; 222. Second connecting surface; 223. Third connecting surface; 224. First bolt hole; 225. Second bolt hole; 226. Third bolt hole; 227. Main vent; 23. Auxiliary housing; 231. First connecting frame; 232. Second connecting frame; 233. Third connecting frame; 234. First nut hole; 235. Second nut hole; 236. Third nut hole; 237. Auxiliary vent; 24. Base plate; 25. Mounting groove; 3. Refrigerated drying box; 31. Second fixing foot; 32. Refrigerated drying device; 4. Filter. Detailed Implementation

[0017] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0018] like Figures 1 to 3 As shown, this embodiment includes an air compressor body 1, a screw box 2, and a refrigerated drying box 3. A refrigerated drying device 32 is fixedly installed inside the refrigerated drying box 3. There are two air compressor bodies 1, and the two air compressor bodies 1 are placed in a parallel state. The screw box 2 includes a main box 22, a secondary box 23, and a base plate 24. The size of the base plate 24 is the same as the size of the main box 22 plus the secondary box 23, and the main box 22 and the secondary box 23 are both installed on the upper end of the base plate 24. There are four first fixing feet 21 and four second fixing feet 31. The first fixing feet 21 are fixedly connected to the four corners of the base plate 24, and the second fixing feet 31 are fixedly connected to the four corners of the bottom of the refrigerated drying box 3. The first fixing feet 21 and the second fixing feet 31 are both fixedly connected to the upper end of the air compressor body 1.

[0019] like Figures 1 to 3 As shown, both the main housing 22 and the auxiliary housing 23 lack side and bottom end faces. The main housing 22 has a first connecting surface 221 and a second connecting surface 222 on both sides of its inner end, and a third connecting surface 223 on its upper inner end. The auxiliary housing 23 has a first connecting frame 231 and a second connecting frame 232 on both sides of its side end, and a third connecting frame 233 on its upper inner end. The first connecting surface 221, the second connecting surface 222, and the third connecting surface 223 extend into the auxiliary housing 23 and are respectively attached to the first connecting frame 231, the second connecting frame 232, and the third connecting frame 233. The connecting surface 223 is provided with a first bolt hole 224, a second bolt hole 225 and a third bolt hole 226 respectively. The first connecting frame 231, the second connecting frame 232 and the third connecting frame 233 are provided with a first nut hole 234, a second nut hole 235 and a third nut hole 236 respectively. When the main housing 22 and the auxiliary housing 23 are connected and installed, the bolts pass through the first bolt hole 224, the second bolt hole 225 and the third bolt hole 226 as well as the first nut hole 234, the second nut hole 235 and the third nut hole 236. The nuts are installed on the outside of the first nut hole 234, the second nut hole 235 and the third nut hole 236 and are connected to the outer end face of the auxiliary housing 23.

[0020] Specifically, such as Figures 1 to 3 As shown, there are two bolt holes 224 and 225, as well as two nut holes 234 and 235. There is one bolt hole 226 and one nut hole 236. The main housing 22 and the auxiliary housing 23 are fixedly connected by five bolts and nuts.

[0021] To elaborate further, such as Figures 1 to 2 As shown, a mounting groove 25 is provided at the center of the top of the main housing 22, and a filter 4 is fixedly installed in the mounting groove 25.

[0022] To elaborate further, such as Figures 1 to 3 As shown, a main ventilation window 227 is provided on the outer end face of the main housing 22, and a secondary ventilation window 237 is provided on the outer end face of the secondary housing 23.

[0023] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0024] Although this document uses a variety of terms, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this invention; interpreting them as any additional limitation would contradict the spirit of this invention.

Claims

1. A screw-box type multi-functional air compressor that is easy to maintain, comprising an air compressor body (1), a screw box (2), and a refrigerated drying chamber (3), characterized in that: The screw box (2) and the refrigerated drying box (3) are respectively fixedly installed with a first fixing foot (21) and a second fixing foot (31) at their bottoms. The first fixing foot (21) and the second fixing foot (31) are fixedly connected to the upper end of the air compressor body (1). The screw box (2) includes a main box body (22), a secondary box body (23) and a bottom plate (24). The bottom plate (24) is fixedly connected to the first fixing foot (21). The side end of the main box body (22) has a first connecting surface (221), a second connecting surface (222) and a third connecting surface (223). The side end of the secondary box body (23) has a first connecting frame (231), a second connecting frame (232) and a third connecting frame (233). The first connecting surface (221), the second connecting surface (222), and the third connecting surface (223) extend into the interior of the sub-box (23) and are respectively attached to the first connecting frame (231), the second connecting frame (232), and the third connecting frame (233). The first connecting surface (221), the second connecting surface (222), and the third connecting surface (223) are respectively provided with a first bolt hole (224), a second bolt hole (225), and a third bolt hole (226). The first connecting frame (231), the second connecting frame (232), and the third connecting frame (233) are respectively provided with a first nut hole (234), a second nut hole (235), and a third nut hole (236).

2. The screw-type multi-functional air compressor for easy maintenance according to claim 1, characterized in that: Both the main housing (22) and the auxiliary housing (23) are structures lacking side end faces and bottom end faces.

3. The screw-type multi-functional air compressor for easy maintenance according to claim 1, characterized in that: The top of the main housing (22) is provided with an installation groove (25), in which a filter (4) is fixedly installed.

4. A screw-type multi-functional air compressor that is easy to maintain according to claim 1, characterized in that: The main housing (22) has a main ventilation window (227) on its outer end face, and the secondary housing (23) has a secondary ventilation window (237) on its outer end face.

5. A screw-type multi-functional air compressor for easy maintenance according to claim 1, characterized in that: There are two air compressor bodies (1), and the air compressor bodies (1) are placed in a parallel state.

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