Air compressor and air compressor combination

Abstract

The air compressor comprises an air compression pump, at least one air storage tank, a first air conveying pipeline and a hasp, the air compression pump is used for compressing air and comprises a motor, the first air conveying pipeline is used for being in fluid connection between the at least one air storage tank and the air compression pump, and the hasp is used for being in fluid connection between the air storage tank and the air compression pump. Air compressed by the air compression pump is conveyed to the at least one air storage tank through the first air conveying pipeline, the hasp is used for being matched with stackable equipment stacked together with the air compressor, and the air compressor and the stackable equipment can be vertically stacked together or separated from each other. In a state that the stackable equipment and the air compressor are stacked together up and down, the hasp of the air compressor can be buckled on the stackable equipment, so that the air compressor and the stackable equipment are locked together; according to the design, the air compressor is more practical.

Description

Technical Field

[0001] The utility model relates to an air compressor and an air compressor combination. Background Art

[0002] An air compressor belongs to a device for producing compressed air, which can produce compressed air for use by pneumatic tools (such as pneumatic nail guns, pneumatic hammers, pneumatic drill guns, etc.). An air compressor usually includes an air storage tank and an air compression pump. The air compression pump usually includes a frame, a motor, a transmission device, a cylinder, a connecting rod, a piston that can reciprocate in the cylinder to compress air, and a cylinder head. When the air compression pump works, its motor drives the piston to reciprocate in the cylinder based on the transmission device and the connecting rod to continuously produce compressed air. The compressed air produced by the air compression pump is transported to the air storage tank through an air delivery pipeline for storage. When the existing air compressors and related equipment are placed, they usually require separate floor spaces, resulting in an increase in the floor area. The design of the existing air compressors is not practical enough and needs to be improved. Summary of the Utility Model

[0003] This patent application provides a relatively practical air compressor.

[0004] This patent application provides an air compressor, which includes an air compression pump, at least one air storage tank, a first air delivery pipeline, and a buckle. The air compression pump is used for compressing air. The air compression pump includes a motor. The first air delivery pipeline is used for fluid connection between the at least one air storage tank and the air compression pump. The compressed air compressed by the air compression pump is transported to the at least one air storage tank through the first air delivery pipeline. The buckle is used for cooperating with a stackable device stacked with the air compressor. The air compressor can be stacked up and down with the stackable device or separated from it. In the state where the stackable device and the air compressor are stacked up and down, the buckle of the air compressor can be buckled on the stackable device to lock the air compressor and the stackable device together.

[0005] Based on this design, the air compressor can be stacked up and down with the corresponding stackable device or separated from it. The air compressor is configured with a buckle for cooperating with the stackable device stacked with the air compressor, which is beneficial for the air compressor and the corresponding stackable device to be stacked together more reliably, and also beneficial for reducing the total floor area of the air compressor and the corresponding stackable device, thereby making the air compressor more practical.

[0006] Optionally, the air compressor further includes a housing, a second air delivery pipeline, and at least one air delivery quick-connect joint. The second air delivery pipeline is used for fluid connection between the at least one air storage tank and the at least one air delivery quick-connect joint. The air compression pump is located inside the housing. The buckle is movably connected to the housing. The stackable device can be stacked on the air compressor and stacked vertically with the air compressor. The buckle is used for buckling with the stackable device stacked on the air compressor and stacked vertically with the air compressor.

[0007] Optionally, the air compressor further includes a housing. The air compression pump is located inside the housing. The buckle is rotatably connected to the housing. In the state where the stackable device is stacked on the air compressor and stacked vertically with the air compressor, the stackable device is supported on the housing of the air compressor. The stackable device can be a box, another air compressor, a blowing device, or a vacuum cleaner. The rated power of the motor is between 90w and 3100w.

[0008] Optionally, the housing includes a receiving groove. The buckle has a storage angular position, an opening angular position, and a locking angular position between the storage angular position and the opening angular position. The buckle is limited to rotate between the storage angular position and the opening angular position. The buckle passes through the locking angular position during the process of turning from the storage angular position to the opening angular position. When the stackable device is stacked on the air compressor and the buckle is in the locking angular position, the buckle buckles on the stackable device. When the buckle is in the storage angular position, the buckle is received in the corresponding receiving groove. When the buckle is in the opening angular position, the buckle is in an open state.

[0009] Optionally, the buckle includes a buckle protrusion. When the buckle is in the storage angular position, the buckle protrusion is located in the receiving groove and abuts against the bottom surface of the receiving groove. After the buckle is rotated from the storage angular position to the locking angular position and then released, the buckle will fall back to the storage angular position under the action of its own gravity.

[0010] Optionally, after the buckle is rotated to the opening angular position and then released, the buckle will remain in the opening angular position. When the buckle is in the opening angular position, the buckle is turned outwards and tilted upright.

[0011] Optionally, the receiving groove is recessed from the upper side of the housing. The housing includes a top wall. In the state where the stackable device is stacked on the air compressor and stacked vertically with the air compressor, the stackable device is supported on the top wall of the air compressor. The at least one receiving groove is recessed in the top wall. When the buckle is in the storage angular position, the buckle lies downwards in the corresponding receiving groove.

[0012] Optionally, the buckle has a stop surface. After the buckle rotates along an opening direction to an opening angle position, the stop surface of the buckle is supported on the bottom surface of the corresponding receiving groove, so that the buckle cannot continue to rotate along the opening direction; the bottom surface of the receiving groove faces upward.

[0013] Optionally, the stackable device includes a plurality of support feet located at the bottom of the stackable device. When the stackable device is placed on the ground, it is supported on the ground by the plurality of support feet. The outer shell of the air compressor further includes a plurality of corner portions located at the top edge of the outer shell. In a state where the stackable device is stacked on the air compressor and stacked up and down with the air compressor, the positions of the respective support feet of the stackable device correspond one-to-one to the positions of the respective corner portions of the outer shell of the air compressor.

[0014] Optionally, the plurality of support feet include a first support foot, a second support foot, a third support foot, and a fourth support foot, and the plurality of corner portions include a first corner portion, a second corner portion, a third corner portion, and a fourth corner portion. The first corner portion and the second corner portion are located at the front and rear ends of the left side edge of the top of the outer shell, and the third corner portion and the fourth corner portion are located at the front and rear ends of the right side edge of the top of the outer shell. In a state where the stackable device is stacked on the air compressor and stacked up and down with the air compressor, the first support foot of the stackable device is adapted to the first corner portion of the air compressor, the second support foot of the stackable device is adapted to the second corner portion of the air compressor, the third support foot of the stackable device is adapted to the third corner portion of the air compressor, and the fourth support foot of the stackable device is adapted to the fourth corner portion of the air compressor.

[0015] Optionally, the outer shell further includes a top wall. In a state where the stackable device is stacked on the air compressor and stacked up and down with the air compressor, the stackable device is supported on the top wall of the air compressor; the plurality of corner portions are provided on the top wall and are part of the top wall; the first corner portion, the second corner portion, the third corner portion, and the fourth corner portion are located at the four corners of the top wall.

[0016] Optionally, the air compressor further includes a machine head and a second air delivery pipeline. The buckle is movably connected to the machine head and is located above the machine head. The machine head includes a housing. At least one air storage tank is located below the machine head. The air compression pump is provided inside the machine head and is part of the machine head. The stackable device can be stacked on the machine head of the air compressor and stacked vertically with the air compressor. The machine head further includes at least one quick air connection joint that is exposed outside the machine head. The second air delivery pipeline is used for fluid connection between the at least one air storage tank and the at least one quick air connection joint.

[0017] Optionally, the air compressor further includes a housing, and the air compression pump is located inside the housing. The at least one air storage tank includes a first air storage tank and a second air storage tank. The first air storage tank and the second air storage tank are arranged side by side in a horizontal position below the housing, and the first air storage tank and the second air storage tank are spaced apart from each other front to back. At least part of the vertical projection of the buckle is located between the vertical projections of the first air storage tank and the second air storage tank.

[0018] Optionally, the air compressor further includes a housing, and the air compression pump is located inside the housing. Buckles are respectively provided on opposite sides of the air compressor. The buckle on one of the opposite sides of the air compressor constitutes a first buckle, and the buckle on the other of the opposite sides of the air compressor constitutes a second buckle. The at least one air storage tank includes a first air storage tank and a second air storage tank. The first air storage tank and the second air storage tank are arranged side by side in a horizontal position below the housing, and the first air storage tank and the second air storage tank are spaced apart from each other front to back. The first buckle and the second buckle are located on the left and right sides of the air compressor. At least part of the vertical projection of the first buckle and at least part of the vertical projection of the second buckle are respectively located between the vertical projections of the first air storage tank and the second air storage tank.

[0019] Optionally, buckles are respectively provided on opposite sides of the air compressor. The buckle on one of the opposite sides of the air compressor is configured to constitute a first buckle, and the buckle on the other of the opposite sides of the air compressor is configured to constitute a second buckle. The stackable device further includes a first buckle engaging portion and a second buckle engaging portion. The first buckle engaging portion and the second buckle engaging portion are located on opposite sides of the stackable device. In the state where the stackable device is stacked vertically with the air compressor, the first buckle of the air compressor can be correspondingly buckled with the first buckle engaging portion of the stackable device, and the second buckle of the air compressor can be correspondingly buckled with the second buckle engaging portion of the stackable device.

[0020] Optionally, the air compressor further includes a housing, the air compression pump is located inside the housing, the at least one air storage tank includes a first air storage tank and a second air storage tank, the first air storage tank and the second air storage tank are arranged side by side in a lying state on the lower side of the housing, the first air storage tank and the second air storage tank are arranged at intervals, one in front and the other behind, and the vertical projections of the first snap-fit portion, the vertical projection of the second snap-fit portion, the vertical projection of the first buckle, and the vertical projection of the second buckle are respectively at least partially located between the vertical projections of the first air storage tank and the second air storage tank.

[0021] Optionally, the air compressor further includes a machine head, the buckle is movably connected to the machine head, the buckle is located above the machine head, the air compression pump is located inside the machine head, the at least one air storage tank is located below the machine head, and the stackable device can be stacked on the machine head of the air compressor to be stacked up and down with the air compressor; the stackable device further includes a snap-fit portion corresponding to the buckle. In the state where the stackable device is stacked on the air compressor and stacked up and down with the air compressor, the buckle of the air compressor can be snapped with the snap-fit portion of the stackable device.

[0022] Optionally, the air compressor further includes a plurality of support feet and at least one support seat. When the air compressor is placed on the ground, the plurality of support feet of the air compressor support on the ground and the at least one support seat is suspended relative to the ground; two air compressors can be stacked on top of each other, the stackable device is another air compressor, and in the state where two air compressors are stacked on top of each other, the plurality of support feet of the upper air compressor do not contact the lower air compressor; in the state where two air compressors are stacked on top of each other, the at least one support seat of the upper air compressor supports on the lower air compressor.

[0023] Optionally, the buckles are respectively provided on opposite sides of the air compressor. The buckle on one of the opposite sides of the air compressor forms a first buckle, and the buckle on the other of the opposite sides of the air compressor forms a second buckle. The at least one support base includes a first support base and a second support base. The first support base and the second support base are respectively located at the lower part of the air compressor below. The at least one air storage tank includes a first air storage tank and a second air storage tank. The first air storage tank and the second air storage tank are arranged horizontally side by side. The first air storage tank and the second air storage tank are located below the head and are in a lying state. The first air storage tank and the second air storage tank are spaced apart in a first direction. The first support base and the second support base are spaced apart in a second direction. The first direction is perpendicular to the second direction. The first support base and the second support base are respectively at least partially located below the first air storage tank and at least partially located below the second air storage tank. When two air compressors are stacked on top of each other, the first support base of the upper air compressor and the second support base of the upper air compressor respectively support on the top of the lower air compressor.

[0024] This patent application also provides an air compressor combination, including an air compressor and a stackable device that can be stacked with the air compressor up and down. The air compressor includes an air compression pump, at least one air storage tank, a first gas transmission pipeline, and a buckle. The air compression pump is used to compress air. The air compression pump includes a motor. The first gas transmission pipeline is used for fluid connection between the at least one air storage tank and the air compression pump. The air compressed by the air compression pump is conveyed to the at least one air storage tank through the first gas transmission pipeline. The buckle is used to cooperate with a stackable device stacked with the air compressor. The air compressor can be stacked with the stackable device up and down or separated. When the stackable device and the air compressor are stacked with each other, the buckle of the air compressor can be buckled on the stackable device to lock the air compressor and the stackable device together. Brief Description of the Drawings

[0025] Figure 1 The first three-dimensional view of the air compressor of Embodiment 1 of the present application (the buckle is at the storage angle position);

[0026] Figure 2 The second three-dimensional view of the air compressor of Embodiment 1 of the present application (the buckle is at the locking angle position);

[0027] Figure 3 The third three-dimensional view of the air compressor of Embodiment 1 of the present application (the buckle is at the opening angle position);

[0028] Figure 4 The fourth three-dimensional view of the air compressor of Embodiment 1 of the present application (the buckle is at the opening angle position);

[0029] Figure 5 The fifth three-dimensional view of the air compressor in Embodiment 1 of the present application;

[0030] Figure 6 The first exploded view of the air compressor in Embodiment 1 of the present application;

[0031] Figure 7 The second exploded view of the air compressor in Embodiment 1 of the present application;

[0032] Figure 8 The third exploded view of the air compressor in Embodiment 1 of the present application (the buckle is in the storage angle position);

[0033] Figure 9 A three-dimensional schematic diagram of two air compressors in Embodiment 1 of the present application stacked one on top of the other (the buckle is in the open angle position and the buckle of the lower air compressor is buckled on the upper air compressor);

[0034] Figure 10 Another three-dimensional schematic diagram of two air compressors in Embodiment 1 of the present application stacked one on top of the other (the buckle is in the open angle position and the buckle of the lower air compressor is buckled on the upper air compressor);

[0035] Figure 11 A vertical sectional view of two air compressors in Embodiment 1 of the present application stacked one on top of the other (the buckle is in the open angle position and the buckle of the lower air compressor is buckled on the upper air compressor and the air compression pump etc. inside the head of the upper air compressor are not shown);

[0036] Figure 12 For Figure 11 Partial enlarged view;

[0037] Figure 13 A three-dimensional view of the air compressor in Embodiment 2 of the present application;

[0038] Figure 14 A combined state diagram of the air compressor in Embodiment 2 of the present application and a box stacked one on top of the other;

[0039] Figure 15 A view of the air compressor in Embodiment 2 of the present application and the box in a separated state;

[0040] Figure 16 Another view of the air compressor in Embodiment 2 of the present application and the box in a separated state. Detailed implementation manner

[0041] Refer Figures 1 to 12Embodiment 1 of the present application is shown. Among them, the air compressor 1 includes at least one air storage tank, an air compression pump 20, and a first air delivery pipeline 100. The air compression pump 20 is located inside the head 2 of the air compressor 1 and is part of the head 2. The air compression pump 20 is used to compress air. The first air delivery pipeline 100 is used to fluidly connect between the at least one air storage tank and the air compression pump 20. The air compressed by the air compression pump 20 is delivered to the at least one air storage tank via the first air delivery pipeline 100. Two air compressors 1 can be stacked vertically on top of each other, so as to reduce the floor area occupied by the two air compressors 1; refer to Figures 9 to 12 As shown, the upper air compressor 1 is stacked on the head 2 of the lower air compressor 1; when the two air compressors 1 are stacked vertically on top of each other (refer to Figures 9 to 12 As shown), the upper air compressor 1 is supported on the head 2 of the lower air compressor 1; the air compression pump 20 is located inside the head 2. Based on this design, it promotes the implementation of stacking the two air compressors 1 vertically on top of each other. Placing the two stacked vertically only occupies the floor area of one air compressor 1, which can effectively save the floor area; based on the upper air compressor 1 being supported on the head 2 of the lower air compressor 1, it enables the upper air compressor 1 to be placed more reliably on the lower air compressor 1. The manufacturer or user can stack the air compressors 1 when needed to save the floor area; the top of the head 2 of the air compressor 1 forms a platform for placing another air compressor 1 or other equipment.

[0042] The air compression pump 20 is in a lying state, and the at least one air storage tank is in a lying state on the lower side of the head 2, so as to facilitate reducing the center of gravity of the air compressor 1 and making it not easy to tip over after the two air compressors 1 are stacked vertically on top of each other. The air compression pump 20 can adopt a reciprocating piston type. The air compression pump 20 includes a frame 200, a motor 201, a transmission device, a cylinder, a cylinder head 202, a connecting rod 203, a piston that can reciprocate in the cylinder to compress air, and a cooling fan 204. The motor 201, the transmission device, the cylinder, the cylinder head 202, etc. are arranged on the frame 200. When the air compression pump 20 works, the motor 201 drives the piston to reciprocate in the cylinder based on the transmission device and the connecting rod 203 to continuously generate compressed air, and the compressed air is delivered to the at least one air storage tank for storage via the first air delivery pipeline 100. The transmission device can be a belt transmission device, including a belt 205, a driving wheel, and a driven wheel; the rotating shaft of the motor 201 extends horizontally, the rated power of the motor 201 is between 90w and 3100w, preferably between 300w and 1900w, and the motor 201 can be a brushed motor or a brushless motor.

[0043] The air compressor 1 further includes a second air delivery pipeline 101 and at least one air delivery quick connector 21. The at least one air delivery quick connector 21 is part of the machine head 2. The second air delivery pipeline 101 is used for fluid connection between the at least one air storage tank and the at least one air delivery quick connector 21. The compressed air in the at least one air storage tank is delivered to the at least one air delivery quick connector 21 via the second air delivery pipeline 101, so as to supply compressed air for external equipment connected to the air delivery quick connector 21 to use. When two air compressors 1 are stacked on top of each other, the at least one buckle of the lower air compressor 1 can be buckled on the upper air compressor 1, and the upper air compressor 1 is locked to the machine head 2 of the lower air compressor 1.

[0044] The air compressor 1 further includes the at least one buckle. The at least one buckle is exposed outside the machine head 2. The at least one buckle is movably connected to the machine head 2. Further, the at least one buckle is rotatably connected to the machine head 2. When two air compressors 1 are stacked on top of each other, the at least one buckle of the lower air compressor 1 can be buckled on the upper air compressor 1, and the upper air compressor 1 is locked to the lower air compressor 1; with such a design, it is promoted that the upper air compressor 1 and the lower air compressor 1 can more reliably maintain the state of being stacked on top of each other.

[0045] The machine head 2 further includes a housing 22. Refer Figures 9 to 12 As shown, the upper air compressor 1 is stacked on the housing 22 of the lower air compressor 1; the air compression pump 20 is located inside the housing 22. The at least one air storage tank is located below the housing 22. The at least one buckle is movably connected to the housing 22. Further, the at least one buckle is rotatably connected to the housing 22. When two air compressors 1 are stacked on top of each other, the upper air compressor 1 is supported on the housing 22 of the lower air compressor 1. The air compressor 1 further includes a pressure gauge 25, and the pressure gauge 25 is used to indicate the air pressure value in the at least one air storage tank.

[0046] The at least one buckle includes a first buckle 30 and a second buckle 31. The first buckle 30 and the second buckle 31 are located on the left and right sides of the machine head 2 of the air compressor 1; the at least one air storage tank is in a horizontal position. The at least one air storage tank includes a first air storage tank 110 and a second air storage tank 111. The first air storage tank 110 and the second air storage tank 111 are arranged side by side in a horizontal position below the machine head 2 (housing 22). The first air storage tank 110 and the second air storage tank 111 are arranged at intervals, one in front of the other. The vertical projections of the first buckle 30 and the second buckle 31 are respectively at least partially located between the vertical projections of the first air storage tank 110 and the second air storage tank 111. With such a design, the distribution of each component is more coordinated, which is beneficial to the balance of the structure of the air compressor 1. In this application, the vertical projection refers to the projection formed by projecting in the vertical direction onto a horizontal plane. The first air storage tank 110 and the second air storage tank 111 are parallel.

[0047] The outer shell 22 further includes a first adaptation part 228 and a second adaptation part 229. The first adaptation part 228 and the second adaptation part 229 are located at opposite ends of the bottom of the outer shell 22. The first adaptation part 228 and the second adaptation part 229 are respectively at least partially embedded between the first air storage tank 110 and the second air storage tank 111. The first adaptation part 228 and the first buckle are correspondingly located on the upper and lower sides of the machine head. The second adaptation part 229 and the second buckle are correspondingly located on the upper and lower sides of the machine head. The first adaptation part 228 includes a first arc surface 2280 and a second arc surface 2281. The first arc surface 2280 is close to the first air storage tank 110 and matches the contour of the first air storage tank 110. The second arc surface 2281 is close to the second air storage tank 111 and matches the contour of the second air storage tank 111. The second adaptation part 229 includes a third arc surface 2290 and a fourth arc surface 2291. The third arc surface 2290 is close to the first air storage tank 110 and matches the contour of the first air storage tank 110. The fourth arc surface 2291 is close to the second air storage tank 111 and matches the contour of the second air storage tank 111. Based on the design of the first adaptation part 228 and the second adaptation part 229, it promotes the outer shape contours of the machine head 2 and the outer shell 22 to make up for each other and be more fitting, and can also play a certain decorative role.

[0048] In this embodiment, the air pressure in the first air storage tank 110 is equal to the air pressure in the second air storage tank 111. The first air storage tank 110 and the second air storage tank 111 maintain an isobaric state through the connection of the connecting pipe 12. The connecting pipe 12 is welded to connect the first air storage tank 110 and the second air storage tank 111. The first air storage tank 110 is located upstream of the second air storage tank 111. The first gas transmission pipeline 100 is fluidly connected to the first air storage tank 110 and the air compressor 20. The compressed air generated by the air compressor 20 is transported to the first air storage tank 110 via the first gas transmission pipeline 100, and further enters the second air storage tank 111 via the first air storage tank 110. The second gas transmission pipeline 101 is fluidly connected to the second air storage tank 111 and the at least one gas transmission quick-connect joint 21. The compressed air in the second air storage tank 111 is transported to the at least one gas transmission quick-connect joint 21 via the second gas transmission pipeline 101 for external equipment to use. The compressed air in the first air storage tank 110 and the compressed air in the second air storage tank 111 are consumed synchronously and reduced.

[0049] The housing 22 includes at least one receiving groove, and the at least one buckle corresponds to the at least one receiving groove one by one. The at least one buckle can be multiple buckles or one buckle. The buckles (the first buckle 30 and the second buckle 31) have a storage angular position, an opening angular position, and a locking angular position between the storage angular position and the opening angular position. The buckles are limited to rotate between the storage angular position and the opening angular position. When two air compressors 1 are stacked vertically and the buckle of the lower air compressor 1 is buckled on the upper air compressor 1, the buckle of the lower air compressor 1 is in the locking angular position. In other words, when two air compressors 1 are stacked vertically and the buckle of the lower air compressor 1 is in the locking angular position, the buckle of the lower air compressor 1 is buckled on the upper air compressor 1. After two air compressors 1 are stacked vertically, rotate the buckle of the lower air compressor 1 from the opening angular position to the locking angular position to realize that the buckle of the lower air compressor 1 is buckled on the upper air compressor 1.

[0050] When the first buckle 30 and the second buckle 31 are in the opening angular position, the distance between the first buckle 30 and the second buckle 31 is in a state of being wider at the top and narrower at the bottom, so as to facilitate placing the air compressor 1 on another air compressor 1 to achieve vertical stacking. The buckles (the first buckle 30 and the second buckle 31) pass through the locking angular position during the process of rotating from the storage angular position to the opening angular position; when the buckles are in the storage angular position, the buckles are in a retracted state; when the buckles are in the storage angular position, the buckles are received in the corresponding receiving grooves, so that the buckles are retracted; when the buckles are in the opening angular position, the buckles are in an open state, so as to facilitate placing the air compressor 1 on another air compressor 1 to achieve vertical stacking; the rotation angle of the buckles from the storage angular position to the opening angular position is greater than 95 degrees and less than 175 degrees. In this embodiment, the rotation angle of the buckles from the storage angular position to the opening angular position is about 135 degrees.

[0051] The first buckle 30 includes a first buckle protrusion 300, and the second buckle 31 includes a second buckle protrusion 310. The at least one receiving groove is recessed from the upper side of the housing 22. The at least one receiving groove includes a first receiving groove 2200 and a second receiving groove 2201. When the first buckle 30 is in the storage angular position, the first buckle protrusion 300 is located in the first receiving groove 2200 and abuts against the bottom surface 2202 of the first receiving groove 2200; when the second buckle 31 is in the storage angular position, the second buckle protrusion 310 is located in the second receiving groove 2201 and abuts against the bottom surface 2203 of the second receiving groove 2201; after rotating the buckle from the storage angular position to the locking angular position and then releasing the buckle, the buckle will fall back to the storage angular position under the action of its own gravity; designed in this way, it is beneficial to the storage of the buckle, and the buckle can easily stay in the storage angular position.

[0052] After rotating the buckle to the open angle position and releasing it, the buckle will remain at the open angle position; when the buckle is at the open angle position, the buckle is in an outward-turning and tilted-up state. With such a design, it is easy to open the buckle and keep it at the open angle position. When stacking is required, it is easy to open the buckle of one of the two air compressors 1 and keep it at the open angle position so as to place the other air compressor 1 on it. Moreover, the outward-turning and tilted-up buckle facilitates the user to turn it inward later to quickly buckle the buckle of the lower air compressor 1 onto the upper air compressor 1.

[0053] The housing 22 includes a top wall 220, a bottom wall 221, a left side wall 222, a right side wall 223, a front side wall 224, and a rear side wall 225. The top wall 220 and the bottom wall 221 are located on the upper and lower sides of the machine head 2 respectively. The left side wall 222 and the right side wall 223 are located on the left and right sides of the machine head 2 respectively. The front side wall 224 and the rear side wall 225 are located on the front and rear sides of the machine head 2 respectively. The air compression pump 20 is located in the accommodation space jointly formed by the top wall 220, the bottom wall 221, the left side wall 222, the right side wall 223, the front side wall 224, and the rear side wall 225, and at least one air storage tank is exposed on the lower side of the bottom wall 221; when two air compressors 1 are stacked on top of each other, the upper air compressor 1 is supported on the top wall 220 of the lower air compressor 1; at least one accommodation groove is recessed in the top wall 220; when the buckle (the first buckle 30, the second buckle 31) is at the storage angle position, the buckle lies in the corresponding accommodation groove. The top wall 220, the bottom wall 221, the left side wall 222, the right side wall 223, the front side wall 224, and the rear side wall 225 jointly form a rectangular box body, and the air compression pump 20 is located in the box body jointly formed by the top wall 220, the bottom wall 221, the left side wall 222, the right side wall 223, the front side wall 224, and the rear side wall 225.

[0054] The air compressor 1 further includes a first limit projection 556 and a second limit projection 566. The first limit projection 556 and the second limit projection 566 are located at the bottom of the air compressor 1. The first buckle 30 can be correspondingly received in the first accommodation groove 2200, and the second buckle 31 can be correspondingly received in the second accommodation groove 2201. When two air compressors 1 are stacked on top of each other, the first limit projection 556 of the upper air compressor 1 is downwardly inserted into the first accommodation groove 2200 of the lower air compressor 1 and is limited in the first accommodation groove 2200 of the lower air compressor 1, and the second limit projection 566 of the upper air compressor 1 is downwardly inserted into the second accommodation groove 2201 of the lower air compressor 1 and is limited in the second accommodation groove 2201 of the lower air compressor 1. With such a design, the functions of the first accommodation groove 2200 and the second accommodation groove 2201 are enhanced. In addition to the function of receiving the corresponding buckle, they also have a limit function, which is beneficial to improving the stability of the two air compressors 1 stacked vertically.

[0055] When two air compressors 1 are stacked on top of each other, the wall surface of the first receiving groove 2200 of the lower air compressor 1 surrounds and is close to the first limiting protrusion 556 of the upper air compressor 1, and the wall surface of the second receiving groove 2201 of the lower air compressor 1 surrounds and is close to the second limiting protrusion 566 of the upper air compressor 1, so as to play a role in limiting the first limiting protrusion 556 and the second limiting protrusion 566; when two air compressors 1 are stacked on top of each other, the forward and backward movement and the rightward movement of the first limiting protrusion 556 of the upper air compressor 1 are restricted by the blocking of the wall surface of the first receiving groove 2200 of the lower air compressor 1, and the forward and backward movement and the leftward movement of the second limiting protrusion 566 of the upper air compressor 1 are restricted by the blocking of the wall surface of the second receiving groove 2201 of the lower air compressor 1.

[0056] The first buckle 30 has a first stopping surface 301. After the first buckle 30 rotates to the opening angle position along a first opening direction, the first stopping surface 301 of the first buckle 30 supports on the bottom surface 2202 of the corresponding first receiving groove 2200, so that the first buckle 30 cannot continue to rotate along the first opening direction, and thus the first buckle 30 stops at the opening angle position. Based on this, the first buckle 30 can be maintained at the opening angle position; the second buckle 31 has a second stopping surface 311. After the second buckle 31 rotates to the opening angle position along a second opening direction, the second stopping surface 311 of the second buckle 31 supports on the bottom surface 2203 of the corresponding second receiving groove 2201, so that the second buckle 31 cannot continue to rotate along the second opening direction, and thus the second buckle 31 stops at the opening angle position. Based on this, the second buckle 31 can be maintained at the opening angle position; in short, after the buckle rotates to the opening angle position along its opening direction, the stopping surface of the buckle supports on the bottom surface of the corresponding receiving groove, so that the buckle cannot continue to rotate along the opening direction, and thus the buckle stops at the opening angle position, and the buckle can be maintained at the opening angle position. The bottom surface 2202 of the first receiving groove 2200 and the bottom surface 2203 of the second receiving groove 2201 are horizontal surfaces. The first opening direction is the rotation direction in which the first buckle 30 gradually turns from the storage angle position to the opening angle position, and the second opening direction is the rotation direction in which the second buckle 31 gradually turns from the storage angle position to the opening angle position.

[0057] The air compressor 1 further includes a plurality of support feet, and the plurality of support feet are located at the bottom of the air compressor 1. When the air compressor 1 is placed on the ground, it is supported on the ground by the plurality of support feet. The outer shell 22 further includes a plurality of corner portions, and the plurality of corner portions are located at the top edge of the outer shell 22. In a state where two air compressors 1 are stacked vertically, the positions of the support feet of the upper air compressor 1 correspond to the positions of the corner portions of the lower air compressor 1 one by one; in a state where two air compressors 1 are stacked vertically, the support feet of the upper air compressor 1 are in one-to-one correspondence and adaptation with the corner portions of the lower air compressor 1; in a state where two air compressors 1 are stacked vertically, the support feet of the upper air compressor 1 are in one-to-one correspondence and nested with the corner portions of the lower air compressor 1. With such a design, it is beneficial for the upper air compressor 1 and the lower air compressor 1 to be stacked vertically more harmoniously.

[0058] The plurality of support feet include a first support foot 50, a second support foot 51, a third support foot 52, and a fourth support foot 53. The plurality of corner portions include a first corner portion 2260, a second corner portion 2261, a third corner portion 2262, and a fourth corner portion 2263. The first corner portion 2260 and the second corner portion 2261 are located at the front and rear ends of the left side edge of the top of the outer shell 22. The third corner portion 2262 and the fourth corner portion 2263 are located at the front and rear ends of the right side edge of the top of the outer shell 22. In a state where two air compressors 1 are stacked vertically, the first support foot 50 of the upper air compressor 1 is adapted to the first corner portion 2260 of the lower air compressor 1, the second support foot 51 of the upper air compressor 1 is adapted to the second corner portion 2261 of the lower air compressor 1, the third support foot 52 of the upper air compressor 1 is adapted to the third corner portion 2262 of the lower air compressor 1, and the fourth support foot 53 of the upper air compressor 1 is adapted to the fourth corner portion 2263 of the lower air compressor 1. In a state where two air compressors 1 are stacked vertically, the first support foot 50 of the upper air compressor 1 is nested with the first corner portion 2260 of the lower air compressor 1, the second support foot 51 of the upper air compressor 1 is nested with the second corner portion 2261 of the lower air compressor 1, the third support foot 52 of the upper air compressor 1 is nested with the third corner portion 2262 of the lower air compressor 1, and the fourth support foot 53 of the upper air compressor 1 is nested with the fourth corner portion 2263 of the lower air compressor 1.

[0059] In this embodiment, the top wall 220 is detachable, and the top wall 220 is locked by a plurality of screws. The plurality of corner portions are provided on the top wall 220 and belong to a part of the top wall 220; the first corner portion 2260, the second corner portion 2261, the third corner portion 2262, and the fourth corner portion 2263 are located at the four corners of the top wall 220.

[0060] The at least one buckle is rotatably connected to the top wall 220. The air compressor 1 further includes a first rotating shaft 32 corresponding to the first buckle 30 and a second rotating shaft 33 corresponding to the second buckle 31; the first buckle 30 is rotatably connected to the machine head 2 through the first rotating shaft 32, and the second buckle 31 is rotatably connected to the machine head 2 through the second rotating shaft 33; further, the first buckle 30 is rotatably connected to the outer shell 22 through the first rotating shaft 32, and the second buckle 31 is rotatably connected to the outer shell 22 through the second rotating shaft 33; further, the first buckle 30 is rotatably connected to the top wall 220 through the first rotating shaft 32, and the second buckle 31 is rotatably connected to the top wall 220 through the second rotating shaft 33.

[0061] When two air compressors 1 are stacked vertically, the plurality of support feet of the upper air compressor 1 do not contact the lower air compressor 1. The plurality of support feet are likely to get dirty with dirt on the ground and are generally dirtier. Based on this design, after the two air compressors 1 are stacked vertically, the plurality of support feet of the upper air compressor 1 are not likely to dirty the lower air compressor 1.

[0062] The air compressor 1 further includes the at least one support base. When two air compressors 1 are stacked vertically, the at least one support base of the upper air compressor 1 supports the lower air compressor 1; when the air compressor 1 is placed on the ground, the plurality of support feet support the ground and the at least one support base is suspended relative to the ground. In this way, the at least one support base is not likely to get dirty with dirt, particulate matter, etc. on the ground, so that it is not likely that after the two air compressors 1 are stacked vertically, the at least one support base of the upper air compressor 1 does not dirty the lower air compressor 1, and it is not likely that the stability of the stacked support is affected by particulate matter attached to the at least one support base of the upper air compressor 1.

[0063] The at least one support base includes a first support base 55 and a second support base 56. The first support base 55 and the second support base 56 are respectively located at the lower part of the respective air compressor 1. The first air storage tank 110 and the second air storage tank 111 are arranged horizontally in parallel. The first air storage tank 110 and the second air storage tank 111 are located below the machine head 2 and are in a lying state. The first air storage tank 110 and the second air storage tank 111 are spaced apart in a first direction. The first support base 55 and the second support base 56 are spaced apart in a second direction. The first direction is perpendicular to the second direction; the first support base 55 and the second support base 56 are respectively at least partially located below the first air storage tank 110 and respectively at least partially located below the second air storage tank 111. When two air compressors 1 are stacked vertically, the first support base 55 of the upper air compressor 1 and the second support base 56 of the upper air compressor 1 respectively support the top of the lower air compressor 1.

[0064] When two air compressors 1 are stacked on top of each other, the first support base 55 of the upper air compressor 1 and the second support base 56 of the upper air compressor 1 respectively support on the top wall 220 of the lower air compressor 1. The bottom of the first air storage tank 110 is welded with a first support bracket 130 and a second support bracket 131, and the bottom of the second air storage tank 111 is welded with a third support bracket 132 and a fourth support bracket 133. The first support base 55 is locked to the first support bracket 130 and the third support bracket 132 to be fixedly connected to the first air storage tank 110 and the second air storage tank 111; the second support base 56 is locked to the second support bracket 131 and the fourth support bracket 133 to be fixedly connected to the first air storage tank 110 and the second air storage tank 111; the first support base 55 is locked to the first support bracket 130 and the third support bracket 132 through locking elements (such as screws), and the second support base 56 is locked to the second support bracket 131 and the fourth support bracket 133 through locking elements (such as screws).

[0065] A plurality of connecting brackets 14 are welded to the tops of the first air storage tank 110 and the second air storage tank 111. The machine head 2 is locked to the plurality of connecting brackets 14 to be fixed on the upper sides of both the first air storage tank 110 and the second air storage tank 111. The machine head 2 is locked to the plurality of connecting brackets 14 through locking elements (such as screws); the bottom of the first air storage tank 110 is welded with a fifth support bracket 150 and a sixth support bracket 151, the bottom of the second air storage tank 111 is welded with a seventh support bracket 152 and an eighth support bracket 153. The first support foot 50 is locked to the fifth support bracket 150 through locking elements (such as screws), the second support foot 51 is locked to the seventh support bracket 152 through locking elements (such as screws), the third support foot 52 is locked to the sixth support bracket 151 through locking elements (such as screws), and the fourth support foot 53 is locked to the eighth support bracket 153 through locking elements (such as screws). Looking up from the bottom of the air compressor 1, the first support base 55 and the second support base 56 are respectively in an arch shape; the first support base 55 includes a first support portion 550 and a second support portion 551, the second support base 56 includes a third support portion 560 and a fourth support portion 561. The first support portion 550 and the third support portion 560 are located below the first air storage tank 110, and the second support portion 551 and the fourth support portion 561 are located below the second air storage tank 111. When two air compressors 1 are stacked on top of each other, the first support portion 550 of the upper air compressor 1, the second support portion 551 of the upper air compressor 1, the third support portion 560 of the upper air compressor 1, and the fourth support portion 561 of the upper air compressor 1 respectively support on the lower air compressor 1. Designed in this way, it is beneficial to achieve balanced support when two air compressors 1 are stacked on top of each other through the first support portion 550, the second support portion 551, the third support portion 560, and the fourth support portion 561.

[0066] The first support portion 550 includes a first support bottom surface 5500, the second support portion 551 includes a second support bottom surface 5510, the third support portion 560 includes a third support bottom surface 5600, and the fourth support portion 561 includes a fourth support bottom surface 5610. When two air compressors 1 are stacked vertically, the first support bottom surface 5500 of the upper air compressor 1, the second support bottom surface 5510 of the upper air compressor 1, the third support bottom surface 5600 of the upper air compressor 1, and the fourth support bottom surface 5610 of the upper air compressor 1 respectively abut and support downwardly on the machine head 2 of the lower air compressor 1. The first support bottom surface 5500, the second support bottom surface 5510, the third support bottom surface 5600, and the fourth support bottom surface 5610 are respectively in a horizontal state, and the first support bottom surface 5500, the second support bottom surface 5510, the third support bottom surface 5600, and the fourth support bottom surface 5610 are coplanar.

[0067] When two air compressors 1 are stacked vertically, the first support bottom surface 5500 of the upper air compressor 1, the second support bottom surface 5510 of the upper air compressor 1, the third support bottom surface 5600 of the upper air compressor 1, and the fourth support bottom surface 5610 of the upper air compressor 1 respectively support downwardly on the top surface of the top wall 220 of the lower air compressor 1.

[0068] The top of the machine head 2 has a plurality of support planes 23 including the above-mentioned ones. The support planes 23 are in a horizontal state, the plurality of support planes 23 are coplanar, and the plurality of support planes 23 are dispersed. When two air compressors 1 are stacked vertically, the upper air compressor 1 is supported on the plurality of support planes 23 of the lower air compressor 1. When two air compressors 1 are stacked vertically, at least one support seat of the upper air compressor 1 is supported on the plurality of support planes 23 of the lower air compressor 1. When two air compressors 1 are stacked vertically, the first support bottom surface 5500 of the upper air compressor 1, the second support bottom surface 5510 of the upper air compressor 1, the third support bottom surface 5600 of the upper air compressor 1, and the fourth support bottom surface 5610 of the upper air compressor 1 respectively support downwardly on the plurality of support planes 23 of the lower air compressor 1. The plurality of support planes 23 form a part of the top surface of the top wall 220.

[0069] The first supporting part 550 and the second supporting part 551 are located at opposite ends of the first supporting seat 55, and the third supporting part 560 and the fourth supporting part 561 are located at opposite ends of the second supporting seat 56; when the air compressor 1 is placed on the ground, it is supported on the ground by the plurality of supporting feet. The first supporting part 550 is adjacent to the first supporting foot 50, the second supporting part 551 is adjacent to the second supporting foot 51, the third supporting part 560 is adjacent to the third supporting foot 52, and the fourth supporting part 561 is adjacent to the fourth supporting foot 53. The first supporting part 550 and the third supporting part 560 are located between the first supporting foot 50 and the third supporting foot 52, and the second supporting part 551 and the fourth supporting part 561 are located between the second supporting foot 51 and the fourth supporting foot 53; the first supporting foot 50 and the third supporting foot 52 are respectively located below the first air storage tank 110 and are respectively fixedly connected to the first air storage tank 110, and the second supporting foot 51 and the fourth supporting foot 53 are respectively located below the second air storage tank 111 and are respectively fixedly connected to the second air storage tank 111. With such a design, it is beneficial to improve the stability of stacking two air compressors 1 vertically. In this embodiment, the first supporting foot 50, the second supporting foot 51, the third supporting foot 52, and the fourth supporting foot 53 are elastic and can be made of rubber material.

[0070] The first supporting seat 55 further includes a first connecting part 552 and a first snap - fitting part 553. The first connecting part 552 connects the first supporting part 550 and the second supporting part 551. The second supporting seat 56 further includes a second connecting part 562 and a second snap - fitting part 563. The second connecting part 562 connects the third supporting part 560 and the fourth supporting part 561. The vertical projections of the first connecting part 552 and the second connecting part 562 are respectively at least partially located between the vertical projections of the first air storage tank 110 and the second air storage tank 111; the first snap - fitting part 553 is provided on the side of the first connecting part 552 away from the second connecting part 562, and the first snap - fitting part 553 is correspondingly located below the first buckle 30. The second snap - fitting part 563 is provided on the side of the second connecting part 562 away from the first connecting part 552, and the second snap - fitting part 563 is correspondingly located below the second buckle 31. When two air compressors 1 are stacked vertically together, the first buckle 30 of the lower air compressor 1 can be correspondingly snapped together with the first snap - fitting part 553 of the upper air compressor 1, and the second buckle 31 of the lower air compressor 1 can be correspondingly snapped together with the second snap - fitting part 563 of the upper air compressor 1. The first snap - fitting part 553 and the second snap - fitting part 563 can be snap - fitting frames, grooves, snap - fitting protrusions, etc.; in short, the air compressor 1 has snap - fitting parts (the first snap - fitting part 553 and the second snap - fitting part 563) corresponding to the buckles (the first buckle 30 and the second buckle 31). When two air compressors 1 are stacked vertically together, the buckles of the lower air compressor 1 can be correspondingly snapped together with the snap - fitting parts of the upper air compressor 1.

[0071] When two air compressors 1 are stacked on top of each other, the first buckle protrusion 300 of the first buckle 30 of the lower air compressor 1 can be correspondingly buckled with the first buckle mating part 553 of the upper air compressor 1, and the second buckle protrusion 310 of the second buckle 31 of the lower air compressor 1 can be correspondingly buckled with the second buckle mating part 563 of the upper air compressor 1. Thus, the first buckle 30 and the second buckle 31 of the lower air compressor 1 can be correspondingly buckled on the upper air compressor 1, and the upper air compressor 1 can be locked on the lower air compressor 1. The first limit protrusion 556 is provided at the bottom of the first connecting part 552, and the second limit protrusion 566 is provided at the bottom of the second connecting part 562.

[0072] The first air storage tank 110 and the second air storage tank 111 are arranged at intervals one in front of the other. The vertical projections of the first buckle mating part 553, the second buckle mating part 563, the first buckle 30, and the second buckle 31 are respectively at least partially located between the vertical projection of the first air storage tank 110 and the vertical projection of the second air storage tank 111. Such a design is beneficial to the balance of the air compressor 1 structure and the stability of the buckle connection of the left and right buckles when stacked up and down. The first buckle 30 and the second buckle 31 are located on the left and right sides of the air compressor head 2 of the air compressor 1. The first air storage tank 110 and the second air storage tank 111 are spaced apart front and back. The first support seat 55 and the second support seat 56 are spaced apart left and right. When two air compressors 1 are stacked on top of each other, the first buckle 30 of the lower air compressor 1 can be buckled on the first support seat 55 of the upper air compressor 1 and is located on the left side of the first support seat 55 of the upper air compressor 1, and the second buckle 31 of the lower air compressor 1 can be buckled on the second support seat 56 of the upper air compressor 1 and is located on the right side of the second support seat 56 of the upper air compressor 1. Thus, it is beneficial to achieve balanced locking and support when two air compressors 1 are stacked up and down.

[0073] The first support base 55 and the second support base 56 both include a plurality of positioning protrusions that protrude downward; the head 2 of the air compressor 1 further includes the at least one positioning groove. When two air compressors 1 are stacked vertically, the positioning protrusions of the upper air compressor 1 are correspondingly embedded downward into the positioning grooves of the lower air compressor 1. With such a design, the positioning between the two vertically stacked air compressors 1 is promoted. When two air compressors 1 are stacked vertically, the upper air compressor 1 is supported on the top wall 220 of the lower air compressor 1; the plurality of positioning protrusions include a first positioning protrusion 554 protruding downward from the first support portion 550, a second positioning protrusion 555 protruding downward from the second support portion 551, a third positioning protrusion 564 protruding downward from the third support portion 560, and a fourth positioning protrusion 565 protruding downward from the fourth support portion 561; the at least one positioning groove is respectively recessed in the top wall 220, and the at least one positioning groove includes a first positioning groove 2270, a second positioning groove 2271, a third positioning groove 2272, and a fourth positioning groove 2273. When two air compressors 1 are stacked vertically, the first positioning protrusion 554 of the upper air compressor 1 is correspondingly embedded downward into the first positioning groove 2270 of the lower air compressor 1, the second positioning protrusion 555 of the upper air compressor 1 is correspondingly embedded downward into the second positioning groove 2271 of the lower air compressor 1, the third positioning protrusion 564 of the upper air compressor 1 is correspondingly embedded downward into the third positioning groove 2272 of the lower air compressor 1, and the fourth positioning protrusion 565 of the upper air compressor 1 is correspondingly embedded downward into the fourth positioning groove 2273 of the lower air compressor 1; with such a design, it is beneficial to perform balanced support and positioning between the two vertically stacked air compressors 1.

[0074] The air compressor 1 further includes a handle 24, which is fixedly connected to the top wall 220. The handle 24 is located at the top of the head 2 and is exposed outside the head 2. The handle 24 does not protrude upward beyond the top surface of the top wall 220. The handle 24 is located in the central area at the top of the head 2. When two air compressors 1 are stacked vertically, the upper air compressor 1 is supported on the top wall 220 of the lower air compressor 1 and the handle 24 of the lower air compressor 1 does not contact the upper air compressor 1. The handle 24 located in the central area at the top of the head 2 does not participate in the support, which is beneficial to avoid forming a support in the central area at the top of the head 2 and improve the overall stability of the support.

[0075] When two air compressors 1 need to be stacked up and down, first open the buckle of the air compressor 1 to be placed at the bottom to the open angle position; place the other air compressor 1 on the lower air compressor 1, so that the first limiting protrusion 556 and the second limiting protrusion 566 of the upper air compressor 1 are correspondingly embedded in the first receiving groove 2200 and the second receiving groove 2201 of the lower air compressor 1, and the positioning protrusions of the upper air compressor 1 are correspondingly embedded in the positioning grooves of the lower air compressor 1; then, the buckles (first buckle 566) of the lower air compressor 1 are 30, the second buckle 31) is rotated to the locking angle position and engaged with the upper air compressor 1, so that the first buckle 30 and the second buckle 31 of the lower air compressor 1 can correspond to the first buckle fitting part 553 and the second buckle fitting part 563 of the upper air compressor 1 and snap together; when the upper air compressor 1 needs to be put down, first turn over each buckle (the first buckle 30, the second buckle 31) to the opening angle position, and then the upper air compressor 1 can be removed from the lower air compressor 1, so that the two air compressors 1 are released from the stacking relationship and separated.

[0076] One air compressor 1 of the present embodiment can be stacked up and down with another air compressor 1, so that the other air compressor 1 constitutes a stackable device that can be stacked up and down with the one air compressor 1; the two air compressors 1 are each other's stackable devices; for one air compressor 1, its stackable device is another air compressor 1, or it can be other devices (such as the box 8 in Example 2); the air compressor 1 can be stacked up and down with the stackable device; for the stackable device that can be stacked with the air compressor 1, the buckle (such as the first buckle 30 and the second buckle 31) of the air compressor 1 is used to cooperate with the stackable device stacked with the air compressor 1; when the stackable device and the air compressor 1 are stacked up and down, the buckle of the air compressor 1 can be buckled on the stackable device to lock the air compressor 1 with the stackable device.

[0077] Ginseng Figures 13 to 16Embodiment 2 of the present application as shown. The air compressor 1' can be stacked with the box 8, and the box 8 constitutes a stackable device that can be stacked with the air compressor 1'; tools (such as pneumatic nail guns, pneumatic hammers, pneumatic drill guns, etc.) can be placed inside the box 8, and the box 8 has an openable upper cover 80. The stackable device (box 8) can be stacked on the air compressor 1' and stacked vertically with the air compressor 1'; corresponding to the air compressor 1 in Embodiment 1, the air compressor 1' also includes an air compression pump, a gas storage tank 11', a first gas transmission pipeline, a second gas transmission pipeline, a gas transmission quick connector 21', buckles (a first buckle 30', a second buckle 31'). The air compression pump is used to compress air, and the air compression pump includes a motor. The first gas transmission pipeline is used for fluid connection between the gas storage tank 11' and the air compression pump. The air compressed by the air compression pump is delivered to the gas storage tank 11' via the first gas transmission pipeline. The second gas transmission pipeline is used for fluid connection between the gas storage tank 11' and the gas transmission quick connector 21'. The compressed air in the gas storage tank 11' is delivered to the gas transmission quick connector 21' via the second gas transmission pipeline. The buckles (the first buckle 30', the second buckle 31') of the stackable device (box 8) are used to cooperate with the stackable device (box 8) stacked with the air compressor 1'. Further, the buckles (the first buckle 30', the second buckle 31') of the stackable device (box 8) are used to fasten with the stackable device (box 8) stacked on the air compressor 1'; the air compressor 1' can be stacked vertically with the stackable device (box 8) or separated. In the state where the stackable device (box 8) is stacked vertically with the air compressor 1', the buckles (the first buckle 30', the second buckle 31') of the air compressor 1' can be buckled on the stackable device (box 8) to lock the air compressor 1' and the stackable device (box 8) together. The air compressor 1' also includes a housing 22'. The air compression pump is located inside the housing 22'. The buckles (the first buckle 30', the second buckle 31') are movably connected to the housing 22'. The stackable device (box 8) can be supported on the housing 22' and stacked vertically with the air compressor 1'. The air compressor 1' also includes a head 2'. The buckles (the first buckle 30', the second buckle 31') are rotatably connected to the head 2'. The stackable device (box 8) can be stacked on the head 2' and stacked vertically with the air compressor 1'; the buckles (the first buckle 30', the second buckle 31') are located on the upper part of the head 2'. The air compression pump is located inside the head 2' and is part of the head 2'; the housing 22' is part of the head 2' and is located outside the head 2'; the gas storage tank 11' is located on the lower side of the head 2'; at least one of the gas transmission quick connectors is part of the head 2' and is exposed outside the head 2'.The stackable device further includes snap-fit portions (a first snap-fit portion 553' and a second snap-fit portion 563'), the first snap-fit portion 553' and the second snap-fit portion 563' are located on opposite sides of the stackable device (the box 8). In a state where the stackable device (the box 8) and the air compressor 1' are stacked vertically, the first buckle 30' of the air compressor 1' can be correspondingly snapped together with the first snap-fit portion 553' of the stackable device and the second buckle 31' of the air compressor 1' can be correspondingly snapped together with the second snap-fit portion 563' of the stackable device. The stackable device further includes a plurality of support feet, and the plurality of support feet are located at the bottom of the stackable device. When the stackable device is placed on the ground, it is supported on the ground by the plurality of support feet. The outer shell 22' further includes a plurality of corner portions, and the plurality of corner portions are located at the top edge of the outer shell 22'; in a state where the stackable device is stacked on the air compressor 1' and stacked vertically with the air compressor 1', the positions of the respective support feet of the stackable device correspond to the positions of the respective corner portions of the outer shell 22' of the air compressor 1'; the plurality of support feet include a first support foot 50', a second support foot 51', a third support foot 52', and a fourth support foot 53', and the plurality of corner portions include a first corner portion 2260', a second corner portion 2261', a third corner portion 2262', and a fourth corner portion 2263'. The first corner portion 2260' and the second corner portion 2261' are located at the front and rear ends of the left side edge of the top of the outer shell 22', and the third corner portion 2262' and the fourth corner portion 2263' are located at the front and rear ends of the right side edge of the top of the outer shell 22'. In a state where the stackable device is stacked on the air compressor 1' and stacked vertically with the air compressor 1', the first support foot 50' of the stackable device is adapted to the first corner portion 2260' of the air compressor 1', the second support foot 51' of the stackable device is adapted to the second corner portion 2261' of the air compressor 1', the third support foot 52' of the stackable device is adapted to the third corner portion 2262' of the air compressor 1', and the fourth support foot 53' of the stackable device is adapted to the fourth corner portion 2263' of the air compressor 1'. The outer shell 22' further includes a top wall 220'. In a state where the stackable device is stacked on the air compressor 1' and stacked vertically with the air compressor 1', the stackable device is supported on the top wall 220'; the first corner portion 2260', the second corner portion 2261', the third corner portion 2262', and the fourth corner portion 2263' are located at the four corners of the top wall 220'; in a state where the stackable device is stacked on the air compressor 1' and stacked vertically with the air compressor 1', the plurality of support feet of the stackable object are correspondingly supported on the plurality of corner portions of the air compressor 1'.The air compressor 1' further includes a pressure gauge 25', a pressure regulating knob 26, and a pressure gauge 27. The pressure gauge 25' is used to indicate the air pressure value in the air storage tank 11', the pressure regulating knob 26 is used to adjust the output air pressure of the air delivery quick-connect joint 21', and the pressure gauge 27 is used to indicate the output air pressure value of the air delivery quick-connect joint 21'.

[0078] Based on Embodiment 1 and Embodiment 2, obviously, the present patent application can also provide an air compressor combination, which includes an air compressor (such as air compressor 1 or air compressor 1') and a stackable device (such as air compressor 1 or box 8) that can be stacked vertically with the air compressor. In addition to the air compressor 1' in Embodiment 1 or the box 8 in Embodiment 2, obviously, the stackable device can also be other devices (such as a blowing device, a vacuum cleaner, etc.), as long as the other device is suitable for being stacked vertically with the air compressor of the present application and has a structure that can cooperate with the buckle on the air compressor of the present application, which will not be elaborated here.

Claims

1. An air compressor, characterized in that: It includes an air compression pump, at least one air storage tank, a first gas transmission pipeline, and a buckle. The air compression pump is used for compressing air. The air compression pump includes a motor. The first gas transmission pipeline is used for fluid connection between the at least one air storage tank and the air compression pump. The air compressed by the air compression pump is conveyed to the at least one air storage tank via the first gas transmission pipeline. The buckle is used to cooperate with a stackable device stacked together with the air compressor. The air compressor can be stacked up and down with or separated from the stackable device. In the state where the stackable device and the air compressor are stacked up and down, the buckle of the air compressor can be buckled on the stackable device to lock the air compressor and the stackable device together.

2. The air compressor according to claim 1, wherein: It further includes a housing, a second gas transmission pipeline, and at least one gas transmission quick-connect joint. The second gas transmission pipeline is used for fluid connection between the at least one air storage tank and the at least one gas transmission quick-connect joint. The air compression pump is located inside the housing. The buckle is movably connected to the housing. The stackable device can be stacked on the air compressor and stacked up and down with the air compressor. The buckle is used for buckling with the stackable device stacked on the air compressor and stacked up and down with the air compressor.

3. The air compressor according to claim 1, wherein: It further includes a housing. The air compression pump is located inside the housing. The buckle is rotatably connected to the housing. In the state where the stackable device is stacked on the air compressor and stacked up and down with the air compressor, the stackable device is supported on the housing of the air compressor. The stackable device can be a box, another air compressor, a blowing device, or a vacuum cleaner. The rated power of the motor is between 90w and 3100w.

4. The air compressor according to claim 2 or 3, characterized in that: The housing includes a receiving groove. The buckle has a storage angular position, an opening angular position, and a locking angular position between the storage angular position and the opening angular position. The buckle is limited to rotate between the storage angular position and the opening angular position. The buckle passes through the locking angular position during the process of turning from the storage angular position to the opening angular position. When the stackable device is stacked on the air compressor and the buckle is in the locking angular position, the buckle is buckled on the stackable device. When the buckle is in the storage angular position, the buckle is received in the corresponding receiving groove. When the buckle is in the opening angular position, the buckle is in an open state.

5. The air compressor according to claim 4, wherein: The buckle includes a buckle protrusion. When the buckle is in the storage angular position, the buckle protrusion is located in the receiving groove and leans against the bottom surface of the receiving groove. After rotating the buckle from the storage angular position to the locking angular position and releasing the buckle, the buckle will fall back to the storage angular position under the action of its own gravity.

6. The air compressor according to claim 4, wherein: After rotating the buckle to the opening angular position and releasing the buckle, the buckle will remain in the opening angular position. When the buckle is in the opening angular position, the buckle is in an everted and inclined standing state.

7. The air compressor according to claim 4, wherein: The accommodating groove is formed by concave downward from the upper side of the outer shell. The outer shell comprises a top wall. In a state where the stackable device is stacked on the air compressor and stacked up and down with the air compressor, the stackable device is supported on the top wall of the air compressor; the at least one accommodating groove is recessed in the top wall; when the buckle is in the storage angular position, the buckle lies downwards in the corresponding accommodating groove.

8. The air compressor according to claim 4, wherein: The buckle has a stop surface. After the buckle rotates along an opening direction to the opening angular position, the stop surface of the buckle supports on the bottom surface of the corresponding accommodating groove, so that the buckle cannot continue to rotate along the opening direction; the bottom surface of the accommodating groove faces upwards.

9. The air compressor according to claim 2 or 3, characterized in that: The stackable device comprises a plurality of supporting feet. The plurality of supporting feet are located at the bottom of the stackable device. When the stackable device is placed on the ground, it is supported on the ground by the plurality of supporting feet. The outer shell of the air compressor further comprises a plurality of corner portions. The plurality of corner portions are located at the top edge of the outer shell. In a state where the stackable device is stacked on the air compressor and stacked up and down with the air compressor, the positions of the respective supporting feet of the stackable device correspond to the positions of the respective corner portions of the outer shell of the air compressor one by one.

10. The air compressor according to claim 9, characterized in that: The plurality of supporting feet include a first supporting foot, a second supporting foot, a third supporting foot and a fourth supporting foot. The plurality of corner portions include a first corner portion, a second corner portion, a third corner portion and a fourth corner portion. The first corner portion and the second corner portion are located at the front and rear ends of the left side edge of the top of the outer shell. The third corner portion and the fourth corner portion are located at the front and rear ends of the right side edge of the top of the outer shell. In a state where the stackable device is stacked on the air compressor and stacked up and down with the air compressor, the first supporting foot of the stackable device is adapted to the first corner portion of the air compressor, the second supporting foot of the stackable device is adapted to the second corner portion of the air compressor, the third supporting foot of the stackable device is adapted to the third corner portion of the air compressor, and the fourth supporting foot of the stackable device is adapted to the fourth corner portion of the air compressor.

11. The air compressor according to claim 10, wherein: The outer shell further comprises a top wall. In a state where the stackable device is stacked on the air compressor and stacked up and down with the air compressor, the stackable device is supported on the top wall of the air compressor; the plurality of corner portions are provided on the top wall and are part of the top wall; the first corner portion, the second corner portion, the third corner portion and the fourth corner portion are located at the four corners of the top wall.

12. The air compressor according to claim 1, wherein: It further includes a machine head and a second air delivery pipeline. The buckle is movably connected to the machine head and is located above the machine head. The machine head includes a housing. At least one air storage tank is located below the machine head. The air compressor pump is disposed inside the machine head and is part of the machine head. The stackable device can be stacked on the machine head of the air compressor to be stacked vertically with the air compressor. The machine head further has at least one air delivery quick-connect joint, and the at least one air delivery quick-connect joint is exposed outside the machine head. The second air delivery pipeline is used for fluid connection between the at least one air storage tank and the at least one air delivery quick-connect joint.

13. The air compressor according to claim 1, wherein: It further includes a housing. The air compressor pump is located inside the housing. The at least one air storage tank includes a first air storage tank and a second air storage tank. The first air storage tank and the second air storage tank are arranged side by side and horizontally disposed below the housing. The first air storage tank and the second air storage tank are spaced apart from each other front to back. At least part of the vertical projection of the buckle is located between the vertical projections of the first air storage tank and the second air storage tank.

14. The air compressor according to claim 1, wherein: It further includes a housing. The air compressor pump is located inside the housing. The buckles are respectively provided on opposite sides of the air compressor. The buckle on one of the opposite sides of the air compressor constitutes a first buckle, and the buckle on the other of the opposite sides of the air compressor constitutes a second buckle. The at least one air storage tank includes a first air storage tank and a second air storage tank. The first air storage tank and the second air storage tank are arranged side by side and horizontally disposed below the housing. The first air storage tank and the second air storage tank are spaced apart from each other front to back. The first buckle and the second buckle are located on the left and right sides of the air compressor. At least part of the vertical projections of the first buckle and the second buckle are respectively located between the vertical projections of the first air storage tank and the second air storage tank.

15. The air compressor according to claim 1, characterized in that: The buckles are respectively provided on opposite sides of the air compressor. The buckle on one of the opposite sides of the air compressor is configured to constitute a first buckle, and the buckle on the other of the opposite sides of the air compressor is configured to constitute a second buckle. The stackable device further includes a first buckle mating part and a second buckle mating part. The first buckle mating part and the second buckle mating part are located on opposite sides of the stackable device. In the state where the stackable device is stacked vertically with the air compressor, the first buckle of the air compressor can be buckled with the first buckle mating part of the stackable device correspondingly, and the second buckle of the air compressor can be buckled with the second buckle mating part of the stackable device correspondingly.

16. The air compressor according to claim 15, characterized in that: It further includes a housing. The air compressor pump is located inside the housing. The at least one air storage tank includes a first air storage tank and a second air storage tank. The first air storage tank and the second air storage tank are arranged side by side and horizontally disposed below the housing. The first air storage tank and the second air storage tank are spaced apart from each other front to back. At least part of the vertical projections of the first buckle mating part, the second buckle mating part, the first buckle, and the second buckle are respectively located between the vertical projections of the first air storage tank and the second air storage tank.

17. The air compressor according to claim 1, characterized in that: It further includes a machine head. The buckle is movably connected to the machine head and is located above the machine head. The air compression pump is located inside the machine head. At least one air storage tank is located below the machine head. The stackable device can be stacked on the machine head of the air compressor to be stacked vertically with the air compressor. The stackable device further includes a buckle engaging portion corresponding to the buckle. When the stackable device is stacked on the air compressor and stacked vertically with the air compressor, the buckle of the air compressor can be correspondingly buckled with the buckle engaging portion of the stackable device.

18. The air compressor according to claim 1, characterized in that: It further includes a plurality of support feet and at least one support base. When the air compressor is placed on the ground, the plurality of support feet of the air compressor support on the ground and the at least one support base is suspended relative to the ground. Two air compressors can be stacked vertically. The stackable device is another air compressor. When two air compressors are stacked vertically, the plurality of support feet of the upper air compressor do not contact the lower air compressor. When two air compressors are stacked vertically, the at least one support base of the upper air compressor supports on the lower air compressor.

19. The air compressor according to claim 18, characterized in that: The buckles are respectively provided on opposite sides of the air compressor. The buckle on one of the opposite sides of the air compressor constitutes a first buckle, and the buckle on the other of the opposite sides of the air compressor constitutes a second buckle. The at least one support base includes a first support base and a second support base. The first support base and the second support base are respectively located at the lower part of the lower air compressor. The at least one air storage tank includes a first air storage tank and a second air storage tank. The first air storage tank and the second air storage tank are arranged horizontally side by side. The first air storage tank and the second air storage tank are located below the machine head and are in a lying state. The first air storage tank and the second air storage tank are spaced apart in a first direction. The first support base and the second support base are spaced apart in a second direction. The first direction is perpendicular to the second direction. The first support base and the second support base are respectively at least partially located below the first air storage tank and at least partially located below the second air storage tank. When two air compressors are stacked vertically, the first support base of the upper air compressor and the second support base of the upper air compressor respectively support on the top of the lower air compressor.

20. An air compressor combination, characterized in that: It includes an air compressor and a stackable device that can be stacked vertically with or separated from the air compressor. The air compressor includes an air compression pump, at least one air storage tank, a first gas transmission pipeline, and a buckle. The air compression pump is used to compress air. The air compression pump includes a motor. The first gas transmission pipeline is used to fluidly connect between the at least one air storage tank and the air compression pump. The air compressed by the air compression pump is conveyed to the at least one air storage tank through the first gas transmission pipeline. The buckle is used to cooperate with the stackable device stacked with the air compressor. When the stackable device is stacked vertically with the air compressor, the buckle of the air compressor can be buckled on the stackable device to lock the air compressor and the stackable device together.

21. The air compressor combination according to claim 20, wherein: The air compressor further includes a housing, a second air delivery pipeline, and at least one air delivery quick-connect joint. The second air delivery pipeline is used for fluid connection between the at least one air storage tank and the at least one air delivery quick-connect joint. The air compression pump is located inside the housing. The buckle is movably connected to the housing. The stackable device can be stacked on the air compressor and stacked vertically with the air compressor. The buckle is used for buckling with the stackable device stacked on the air compressor and stacked vertically with the air compressor.

22. The air compressor combination according to claim 20, characterized in that: The air compressor further includes a housing. The air compression pump is located inside the housing. The buckle is rotatably connected to the housing. In the state where the stackable device is stacked on the air compressor and stacked vertically with the air compressor, the stackable device is supported on the housing of the air compressor. The stackable device can be a box, another air compressor, a blowing device, or a vacuum cleaner. The rated power of the motor is between 90w and 3100w.

23. The air compressor combination according to claim 20, wherein: The air compressor further includes a machine head. The buckle is movably connected to the machine head. The buckle is located at the upper part of the machine head. The air compression pump is located inside the machine head. The at least one air storage tank is located at the lower side of the machine head. The stackable device can be stacked on the machine head of the air compressor and stacked vertically with the air compressor. The stackable device further includes a buckle mating part corresponding to the buckle. In the state where the stackable device is stacked on the air compressor and stacked vertically with the air compressor, the buckle of the air compressor can be buckled with the buckle mating part of the stackable device.

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