Air compressor with anti-scalding function

Abstract

The utility model discloses an air compressor with an anti-scald function, which comprises a motor component, a transmission component and an air cylinder component, the transmission component and the air cylinder component are connected to the motor component, the air cylinder component comprises a cylinder body and a cylinder cover arranged at the top of the cylinder body, a piston is accommodated in the cylinder body, and the transmission component is connected with the piston in the cylinder body and can drive the piston to reciprocate. The air compressor is further provided with an anti-scalding cover corresponding to the air cylinder assembly, the anti-scalding cover is provided with an inner cavity used for containing the cylinder cover, the anti-scalding cover covers the outer side of the cylinder cover and is used for isolating a human body from the cylinder cover, the anti-scalding cover covers the outer side of the cylinder cover and is used for isolating the human body from the cylinder cover, the human body is prevented from touching the cylinder cover and being scalded, and the safety of the air compressor is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to an air compressor, especially an air compressor with anti-scald function. BACKGROUND

[0002] Air compressor is the main body in the air source device, which is the device for converting the mechanical energy of a prime mover (usually an electric motor) into gas pressure energy, and is an air pressure generating device. It is widely used in chemical industry, machinery, medical treatment, textile, electric power, automobile, military industry and other industries. The commonly used air compressors include piston air compressor, screw air compressor (which is divided into double-screw air compressor and single-screw air compressor), centrifugal compressor, sliding vane air compressor and scroll air compressor, among which the piston air compressor is the most widely used air compressor.

[0003] For example, the utility model patent CN217327607U discloses an air compressor with long service life and high-grade protection, which comprises a first crankcase, a protective cover, a fan, a crankshaft, a connecting rod, a cylinder, a valve plate, a cylinder cover, a connecting pipe, a second crankcase, a motor, a rotor, a gas tank, a check valve, a pressure switch and a safety valve. The first crankcase and the second crankcase are integrated aluminum parts, the motor and the rotor are arranged between the first crankcase and the second crankcase, the first crankcase and the second crankcase are connected to the gas tank, the crankshaft, the connecting rod and the rotor are connected in a central shaft sleeve, the fan is arranged outside the crankshaft, the protective cover is arranged outside the fan, the cylinder is arranged in the first crankcase, the valve plate is connected to the first crankcase, the valve plate is connected to the cylinder cover, the two cylinder covers are connected through the connecting pipe, the air filter is arranged on the air inlet of the cylinder cover arranged on the first crankcase, the air outlet of the cylinder cover arranged on the first crankcase is connected to the air inlet of the cylinder cover arranged on the second crankcase through the connecting pipe, and the air outlet of the cylinder cover arranged on the second crankcase is connected to the gas tank through the elbow, the high-pressure pipe and the check valve.

[0004] When the motor in the air compressor is started, the connecting rod pulls the piston to reciprocate in the cylinder, and a large amount of heat is generated by the friction between the piston and the cylinder, so that the cylinder cover has a high temperature, and the user may be scalded by accidentally touching the cylinder cover. Utility model content

[0005] Based on the problem that the cylinder cover has a high temperature during the work of the air compressor and the user may be scalded by accidentally touching the cylinder cover, the utility model provides an air compressor with anti-scald function.

[0006] The utility model discloses a technical scheme that solves the above technical problem is adopted: air compressor with anti-scald function, including motor assembly, the transmission assembly of being connected to motor assembly and cylinder assembly, cylinder assembly includes cylinder body and sets up the cylinder cover of cylinder body top, and the piston is arranged in cylinder body, and the transmission assembly is connected the piston in cylinder body, and can drive the reciprocating motion of piston, still be equipped with the anti-scald cover corresponding cylinder assembly, and the anti-scald cover has the inner chamber for accommodating cylinder cover, the outer side of cylinder cover is covered with the anti-scald cover for isolating the contact of human body and cylinder cover.

[0007] The further preferred technical scheme of the utility model is that the anti-scald cover is provided with a heat dissipation hole.

[0008] The further preferred technical scheme of the utility model is that the cylinder cover and the cylinder body are provided with a valve plate, the cylinder body is fixedly provided with a cylinder sleeve for accommodating the reciprocating motion of the piston, the transmission assembly comprises a crank and a connecting rod, the crank and the connecting rod are connected to an output shaft extending from one side of the motor assembly, one end of the connecting rod is connected to the piston in the cylinder sleeve, a heat dissipation fan is connected to the output shaft and located below the cylinder body and blows air towards the motor assembly, a first airflow channel is formed between the cylinder body and the cylinder sleeve and communicates with the space below the cylinder body, a through hole is arranged on the valve plate and communicates with the first airflow channel and the anti-scald cover, the through hole and the first airflow channel are combined to form a heat dissipation channel for air below the cylinder body to flow upwards into the anti-scald cover, and the heat dissipation fan rotates to form an airflow that flows upwards through the heat dissipation channel and into the anti-scald cover.

[0009] The further preferred technical scheme of the utility model is that the top of the cylinder cover is provided with an upwardly protruding mounting portion, the anti-scald cover is fixedly connected to the mounting portion by screws, and the mounting portion supports below the anti-scald cover so that there is a certain gap between the anti-scald cover and the internal cylinder cover.

[0010] The further preferred technical scheme of the utility model is that the cylinder cover is provided with an upwardly protruding support column, the support column is provided with a positioning groove, the anti-scald cover is provided with a protruding positioning column, and the positioning column is inserted into the positioning groove to position the anti-scald cover.

[0011] The further preferred technical scheme of the utility model is that the air compressor further comprises two boxes and an air storage tank, the two boxes are connected by bolts, the motor assembly is fixedly installed between the two boxes, the two boxes are both fixedly provided with a cylinder assembly, the two sides of the motor assembly are provided with output shafts extending into the two boxes, respectively, the two boxes are both provided with a heat dissipation fan and a transmission assembly connected to the output shafts extending into the boxes, the transmission assembly is connected to the piston in the cylinder assembly of the same side, a fan cover is installed on the side of the box away from the motor assembly, the fan cover is provided with a hollow hole for external air to enter the box, the heat dissipation channel communicates with the box and the anti-scald cover, the cylinder covers of the two cylinder assemblies are both provided with air outlets, the air outlets are connected to connectors, the connectors are connected to the air storage tank through air conveying pipes, and the connectors are accommodated in the inner chamber of the anti-scald cover.

[0012] The further preferred technical scheme of the utility model is that: two air cylinder assemblies are provided with air inlet silencing assemblies, the two sides of the air inlet silencing assemblies are communicated with the cylinder covers of the two air cylinder assemblies, and the opposite side of the anti-scald cover covering the outer side of the cylinder cover is provided with a side opening for connecting the cylinder cover and the air inlet silencing assembly.

[0013] The further preferred technical scheme of the utility model is that: a second airflow channel is arranged between the outer wall of the cylinder cover and the cylinder body.

[0014] The further preferred technical scheme of the utility model is that: the inner side of the cylinder body is provided with a mounting seat, the mounting seat is through in the middle, the lower end of the cylinder sleeve abuts on the mounting seat, a step is arranged on the mounting seat and surrounds the outer side of the cylinder sleeve, the step positions the cylinder sleeve, a valve plate is arranged above the cylinder body and the cylinder sleeve, the mounting seat is composed of a plurality of mounting blocks arranged in a circle, an inlet for air entering the first airflow channel below the cylinder body is formed between adjacent mounting blocks, and the through hole on the valve plate is opposite to the space between the cylinder sleeve and the cylinder body.

[0015] The further preferred technical scheme of the utility model is that: the anti-scald cover is provided with a slot matched with the mounting part, the outer wall of the anti-scald cover is provided with a containing groove, the containing groove and the slot are communicated through a through hole, a screw is screwed with the mounting part inserted into the slot through the through hole, and the head of the screw is hidden in the containing groove.

[0016] Compared with the prior art, the utility model has the advantages that the anti-scald cover is arranged on the outer side of the cylinder cover to isolate the contact between the human body and the cylinder cover, so that the human body is prevented from being scalded by touching the cylinder cover, the safety of the air compressor is higher, the heat dissipation channel is arranged in the air cylinder assembly and communicates the space below the air cylinder assembly with the anti-scald cover, when the air passes through the heat dissipation channel, enters the anti-scald cover and is discharged from the heat dissipation holes on the anti-scald cover, the airflow passes through the air cylinder assembly and carries away the heat in the air cylinder assembly, the temperature in the air cylinder assembly is greatly reduced, and the service life of each part (such as the piston and the valve plate) of the air cylinder assembly is greatly increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described in detail in combination with the drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are only drawn for the purpose of explaining the preferred embodiments and therefore should not be regarded as a limitation on the scope of the utility model. In addition, unless specifically indicated, the drawings only schematically show the composition or structure of the described objects and can contain exaggerated display, and the drawings are not necessarily drawn to scale.

[0018] Figure 1 It is an overall structural schematic diagram of the air compressor;

[0019] Figure 2Structure diagram of the separation of the anti-scald cover on one side of the air compressor from the cylinder assembly

[0020] Figure 3 Structure diagram of the air compressor head

[0021] Figure 4 Structure diagram of the air compressor head Figure 1 ;

[0022] Figure 5 Structure diagram of the separation of the anti-scald cover on one side of the air compressor head from the cylinder assembly

[0023] Figure 6 Structure diagram of the separation of the cylinder cover, valve plate and cylinder body in the cylinder assembly

[0024] Figure 7 Structure diagram of the separation of the cylinder cover and valve plate in the cylinder assembly

[0025] Figure 8 Structure diagram of the cylinder body and one side of the box

[0026] Figure 9 Structure diagram of the air compressor head Figure 2 ;

[0027] Figure 10 Structure diagram of the cylinder cover Figure 1 ;

[0028] Figure 11 Structure diagram of the cylinder cover Figure 2 ;

[0029] Figure 12 A partial enlarged view of A in Figure 4 .

[0030] In the figure: 1, air tank; 2, gas conveying pipe; 3, head; 4, anti-scald cover; 5, air inlet silencer assembly; 6, cylinder assembly; 7, box; 8, cover of the air baffle; 9, motor assembly; 10, hollow hole; 11, cylinder cover; 12, side opening; 13, joint; 14, cylinder body; 15, output shaft; 16, connecting rod; 17, crank; 18, heat dissipation fan; 19, second air flow passage; 20, valve plate; 21, cylinder sleeve; 22, piston; 23, support column; 24, positioning groove; 25, mounting part; 26, through hole; 27, first air flow passage; 28, mounting block; 29, step; 30, inlet; 31, heat dissipation hole; 32, inner cavity; 33, positioning column; 34, protruding column; 35, insertion slot; 36, through hole; 37, accommodating groove; 38, screw; 39, head. DETAILED DESCRIPTION

[0031] Preferred embodiments of the present application will be described in detail below with reference to the attached drawings. Those skilled in the art will appreciate that the description is by way of example only and is not to be construed in any way to limit the scope of the present application.

[0032] It should be noted that like reference numerals refer to like elements throughout the following description. Once an element is defined in one drawing, it can not be further defined and explained in subsequent drawings.

[0033] Figures 1-12 As shown, the air compressor with anti-scald function comprises an air tank 1 and a head 3, the head 3 compresses external air into the air tank 1 for storage. In the embodiment, the head 3 is fixedly installed on the air tank 1.

[0034] Figure 3 , Figure 4 As shown, the head 3 comprises a motor assembly 9, a transmission assembly connected to the motor assembly 9 and a cylinder assembly 6, the cylinder assembly 6 comprises a cylinder body 14 and a cylinder cover 11 arranged on the top of the cylinder body 14, the cylinder body 14 contains a piston 22, the transmission assembly is connected to the piston 22 in the cylinder body 14 and can drive the piston 22 to reciprocate, and the external air is compressed into the air tank 1 through the reciprocating movement of the piston 22 in the cylinder body 14. The structure is a conventional technology in the field, and the embodiment will not be described in detail, which can be referred to patent CN2771512Y and patent CN209687692U.

[0035] Figures 1-5 As shown, the air compressor further comprises an anti-scald cover 4 corresponding to the cylinder assembly 6, the anti-scald cover 4 has an inner cavity 32 for accommodating the cylinder cover 11, the anti-scald cover 4 covers the outer side of the cylinder cover 11 to isolate the direct contact between the human body and the cylinder cover 11, so as to avoid the human body from being scalded by touching the cylinder cover 11, and make the air compressor safer.

[0036] Preferably, the anti-scald cover 4 is made of hard plastic material, which has a certain mechanical strength itself, and can have a protective effect on the cylinder cover 11 when covering the outer side of the cylinder cover 11, so as to prevent the cylinder cover 11 from being damaged by collision. Most preferably, the anti-scald cover 4 can be made of nylon. The present patent does not limit the anti-scald cover 4 to plastic material, and other materials are also applicable to the present patent.

[0037] Figure 10 As shown, the anti-scald cover 4 is provided with a heat dissipation hole 31, the anti-scald cover 4 covers the outer side of the cylinder cover 11, and the heat emitted from the cylinder cover 11 into the anti-scald cover 4 can be dissipated through the heat dissipation hole 31, so as to avoid the accumulation of high heat in the anti-scald cover 4 and cause the cylinder cover 11 to overheat, which affects the normal operation of the machine.

[0038] The anti-scald cover 4 has an opening at the bottom, and the anti-scald cover 4 covers the cylinder cover 11 downward.

[0039] Figure 4 、 Figure 5 、 Figure 11 、 Figure 12 As shown in the figure, the top of the cylinder head 11 is provided with an upward protruding mounting portion 25, the anti-scald cover 4 is fixedly connected to the mounting portion 25 by a screw 38, the mounting portion 25 supports the anti-scald cover 4 from below so that there is a gap between the anti-scald cover 4 and the internal cylinder head 11, thereby facilitating the circulation of internal gas and the dissipation of internal heat, and at the same time, the gap reduces the direct contact area of the anti-scald cover 4 and the cylinder head 11, reduces the heat transfer between the cylinder head 11 and the anti-scald cover 4, and improves the anti-scald effect.

[0040] Preferably, the anti-scald cover 4 is provided with a slot 35 opposite to the mounting portion 25, and the outer wall of the anti-scald cover 4 is provided with a receiving groove 37, which is in communication with the slot 35 through a through hole 36. When connected, the anti-scald cover 4 covers the outer side of the cylinder head 11, the mounting portion 25 is inserted into the slot 35, the screw 38 is screwed with the mounting portion 25 inserted into the slot 35 from the outside of the anti-scald cover 4 through the through hole 36, and the head 39 of the screw 38 is hidden in the receiving groove 37. The insertion and cooperation of the mounting portion 25 and the slot 35 make the connection between the cylinder head 11 and the anti-scald cover 4 more stable, and the head 39 of the screw 38 is hidden in the receiving groove 37, making the whole more beautiful from the outside. The anti-scald cover 4 is provided with a protruding column 34 opposite to the mounting portion 25, and the slot 35 is arranged on the end face of the protruding column 34.

[0041] The cylinder head 11 is provided with an upward protruding support column 23, the support column 23 is provided with a positioning groove 24, the anti-scald cover 4 is provided with a protruding positioning column 33, the positioning column 33 is inserted into the positioning groove 24 to position the anti-scald cover 4, thereby facilitating the connection of the anti-scald cover 4 and the cylinder head 11, and at the same time, the positioning column 33 and the support column 23 support between the anti-scald cover 4 and the cylinder head 11, cooperate with the support of the mounting portion 25, and make the support structure between the cylinder head 11 and the anti-scald cover 4 more stable. Preferably, the cylinder head 11 is provided with two support columns 23, and the anti-scald cover 4 is provided with the same number of positioning columns 33, which are supported by three points to achieve better support effect.

[0042] Figures 5-9As shown, the cylinder head 11 and the cylinder body 14 are provided with a valve plate 20, the cylinder body 14 is fixed with a cylinder sleeve 21 for accommodating the reciprocating movement of a piston 22, the transmission assembly includes a crank 17 and a connecting rod 16, the crank 17 and the connecting rod 16 are connected to an output shaft 15 extending from one side of the motor assembly 9, one end of the connecting rod 16 is connected to the piston 22 in the cylinder sleeve 21, the output shaft 15 is connected with a cooling fan 18 located below the cylinder body 14 and blowing wind to the motor assembly 9, a first airflow channel 27 is formed between the cylinder body 14 and the cylinder sleeve 21 and communicates with the space below the cylinder body 14, a through hole 26 is provided on the valve plate 20 and communicates with the first airflow channel 27 and the anti-scald cover 4, the through hole 26 and the first airflow channel 27 combine to form a cooling channel for the air below the cylinder body 14 to flow into the anti-scald cover 4, and the cooling fan 18 rotates to form an airflow that passes through the cooling channel and enters the anti-scald cover 4.

[0043] Specifically, the inner side of the cylinder body 14 is provided with a mounting seat, the mounting seat is penetrated in the middle for the connecting rod 16 to pass through, the lower end of the cylinder sleeve 21 abuts against the mounting seat, the mounting seat is provided with a step 29 surrounding the outer side of the cylinder sleeve 21, the step 29 positions the cylinder sleeve 21, the upper side of the cylinder sleeve 21 is provided with the valve plate 20, the valve plate 20 is fixed with the cylinder body 14, the valve plate 20 is pressed on the upper end of the cylinder sleeve 21, so that the cylinder sleeve 21 is fixed in the cylinder body 14, the mounting seat is composed of a plurality of mounting blocks 28 surrounding a circle, the adjacent mounting blocks 28 form an inlet 30 for the air below the cylinder body 14 to enter the first airflow channel 27, the through hole 26 on the valve plate 20 is opposite to the space between the cylinder sleeve 21 and the inner wall of the cylinder body 14, and the space between the cylinder sleeve 21 and the inner wall of the cylinder body 14 serves as the above-mentioned first airflow channel 27.

[0044] When the output shaft 15 of the motor assembly 9 drives the cooling fan 18 to rotate, the wind blown by the cooling fan 18 contacts the motor assembly 9 to cool the motor assembly 9, part of the wind contacts the wind blown to the motor assembly 9 to form an upward airflow, the airflow enters the first airflow channel 27 from the inlet 30, enters the anti-scald cover 4 after passing through the through hole 26, and finally is discharged from the cooling hole 31, the passing airflow carries away the heat in the anti-scald cover 4 and on the cylinder head 11, so that a better cooling effect is achieved, and the airflow carries away the heat in the air cylinder assembly 6 when the airflow passes through the air cylinder assembly 6, so that the temperature in the air cylinder assembly 6 is greatly reduced, and the service life of each part (such as the piston 22 and the valve plate 20) of the air cylinder assembly 6 is greatly increased.

[0045] Figures 1-4As shown, the above-mentioned head 3 further comprises two boxes 7 connected by bolts, a motor assembly 9 fixedly installed between the two boxes 7, and a cylinder assembly 6 fixed on each of the two boxes 7. The motor assembly 9 is provided with output shafts 15 extending into the two boxes 7 respectively, and each of the two boxes 7 is provided with a heat dissipation fan 18 and a transmission assembly connected to the output shaft 15 extending into the box 7. The transmission assembly is connected to a piston 22 in the cylinder assembly 6 on the same side. A fan cover 8 is installed on the side of the box 7 away from the motor assembly 9, and the fan cover 8 is provided with a hollow hole 10 for external air to enter the box 7. A heat dissipation channel connects the box 7 and the anti-scald cover 4. The cylinder heads 11 of the two cylinder assemblies 6 are each provided with a gas outlet, and a connector 13 is connected to the gas outlet. The connector 13 is connected to the gas storage tank 1 through a gas conveying pipe 2, and is accommodated in the inner cavity 32 of the anti-scald cover 4. The anti-scald cover 4 also prevents contact between the human body and the connector 13, prevents scalding by the temperature at the connector 13, and also has a protective effect on the connector 13.

[0046] The cylinder body 14 is integrally formed with the box 7.

[0047] When the above-mentioned motor assembly 9 is started, the output shafts 15 extending into the two boxes 7 drive the heat dissipation fans 18 to rotate, so that the air outside the box 7 enters the box 7 through the hollow hole 10 in the fan cover 8 to dissipate heat for the motor assembly 9, and at the same time generates an upward air flow that enters the anti-scald cover 4 through the heat dissipation channel to dissipate heat for the cylinder head 11.

[0048] Figure 4 As shown, the second air flow channel 19 is provided between the fan cover 8 and the outer wall of the cylinder body 14, and communicates the anti-scald cover 4 and the box 7. The second air flow channel 19 facilitates the flow of internal gas and facilitates heat dissipation in the head 3.

[0049] Figure 1 、 Figure 2 As shown, an air inlet silencing assembly 5 is installed between the two cylinder assemblies 6. The air inlet silencing assembly 5 is in communication with the cylinder heads 11 of the two cylinder assemblies 6 on both sides respectively. The anti-scald covers 4 covering the outer sides of the cylinder heads 11 are provided with side openings 12 on opposite sides for connection of the cylinder heads 11 and the air inlet silencing assembly 5. The side openings 12 serve as avoidance openings so that the installation of the anti-scald covers 4 does not affect the connection of the cylinder heads 11 and the air inlet silencing assembly 5. The structure of the air inlet silencing assembly 5 is a conventional structure in the art, and can be referred to Patent CN212867823U.

[0050] The air compressor with the anti-scald function is introduced above, the principle and the implementation mode of the air compressor with the anti-scald function are described by applying specific examples in the paper, and the above implementation mode is only used for helping to understand the air compressor with the anti-scald function and the core idea. It should be pointed out that, for ordinary technical personnel in the technical field, some improvements and modifications can be made to the air compressor with the anti-scald function without departing from the principle of the air compressor with the anti-scald function, and the improvements and modifications also fall within the protection scope of the air compressor with the anti-scald function.

Claims

1. An air compressor with anti-scalding function, comprising a motor assembly, a transmission assembly connected to the motor assembly, and a cylinder assembly, the cylinder assembly comprising a cylinder body and a cylinder head disposed on the top of the cylinder body, a piston disposed within the cylinder body, the transmission assembly being connected to the piston within the cylinder body and capable of driving the piston to reciprocate, characterized in that, It is also equipped with a heat shield for the corresponding cylinder assembly. The heat shield has an inner cavity for accommodating the cylinder head. The heat shield covers the outside of the cylinder head to isolate the human body from contact with the cylinder head.

2. The air compressor with anti-scalding function according to claim 1, characterized in that, The heat-resistant cover is equipped with heat dissipation holes.

3. The air compressor with anti-scalding function according to claim 2, characterized in that, A valve plate is provided between the cylinder head and the cylinder body. A cylinder liner for accommodating the reciprocating motion of the piston is fixed inside the cylinder body. The transmission assembly includes a crank and a connecting rod, which are connected to an output shaft extending from one side of the motor assembly. One end of the connecting rod is connected to the piston inside the cylinder liner. A cooling fan located below the cylinder body and blowing air towards the motor assembly is connected to the output shaft. A first airflow channel is formed between the cylinder body and the cylinder liner, connecting the space below the cylinder body. The valve plate is provided with a through hole connecting the first airflow channel and the heat shield. The through hole and the first airflow channel combine to form a heat dissipation channel for air below the cylinder body to flow upward into the heat shield. When the cooling fan rotates, it generates an upward airflow that passes through the heat dissipation channel and enters the heat shield.

4. The air compressor with anti-scalding function according to claim 1, characterized in that, The top of the cylinder head is provided with an upwardly protruding mounting part. The anti-scalding cover is fixedly connected to the mounting part by screws. The mounting part is supported below the anti-scalding cover so that there is a certain gap between the anti-scalding cover and the cylinder head inside.

5. The air compressor with anti-scalding function according to claim 4, characterized in that, The cylinder head is provided with an upwardly protruding support column, and the support column is provided with a positioning groove. The anti-scalding cover is provided with a protruding positioning column, and the positioning column is inserted into the positioning groove to position the anti-scalding cover.

6. The air compressor with anti-scalding function according to claim 3, characterized in that, The air compressor also includes two housings and an air tank. The two housings are connected by bolts. The motor assembly is fixedly installed between the two housings. Each housing has a cylinder assembly. The motor assembly has output shafts on both sides that extend into the housings on both sides. Each housing contains a cooling fan and a transmission assembly connected to the output shafts extending into the housing. The transmission assembly is connected to a piston in the cylinder assembly on the same side. A fan cover is installed on the side of the housing away from the motor assembly. The fan cover has perforations to allow external air to enter the housing. The heat dissipation channel connects the housing and the anti-scalding cover. Each cylinder head of the two cylinder assemblies has an air outlet. A connector is connected to the air outlet. The connector is connected to the air tank through an air supply pipe. The connector is housed inside the cavity of the anti-scalding cover.

7. The air compressor with anti-scalding function according to claim 6, characterized in that, An intake muffler assembly is installed between the two cylinder assemblies. The two sides of the intake muffler assembly are connected to the cylinder heads of the two cylinder assemblies respectively. The two anti-scalding covers on the outside of the cylinder heads have side openings on opposite sides for the cylinder heads to connect to the intake muffler assembly.

8. The air compressor with anti-scalding function according to claim 6, characterized in that, A second airflow channel is provided between the fan cover and the outer wall of the cylinder, connecting the anti-scalding cover and the box body.

9. The air compressor with anti-scalding function according to claim 3, characterized in that, The cylinder body has a mounting seat on its inner side, with a through-hole in the middle. The lower end of the cylinder liner rests on the mounting seat. The mounting seat has a step surrounding the outside of the cylinder liner, which positions the cylinder liner. A valve plate is located above the cylinder body and the cylinder liner. The mounting seat is composed of several mounting blocks arranged in a circle. An inlet for air below the cylinder body to enter the first airflow channel is formed between adjacent mounting blocks. The through hole on the valve plate is opposite to the space between the cylinder liner and the cylinder body.

10. The air compressor with anti-scalding function according to claim 4, characterized in that, The heat shield has a slot that fits into the mounting part, and a receiving groove is provided on the outer wall of the heat shield. The receiving groove and the slot are connected by a through hole. The screw passes through the through hole and is threaded into the mounting part inserted into the slot. The head of the screw is hidden in the receiving groove.

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