AIR COMPRESSOR STRUCTURE

Abstract

An air compressor structure (100) including a cylinder (110), a piston (130), and a cylinder head (120) is provided. The piston (130) is coupled to the cylinder (110) and performs a reciprocating motion to generate compressed air. The cylinder head (120) is detachably assembled with the cylinder (110). The cylinder head (120) has an air storage chamber and an air outlet (123). The air storage chamber communicates between the cylinder (110) and the air outlet (123) to receive the compressed air and discharge the compressed air from the air compressor structure (100) through the air outlet (123).

Description

BACKGROUNDTechnical FieldThis disclosure relates to an air compressor structure.Description of the Prior ArtThe main structure of an air compressor is to use a motor to drive a piston to perform a reciprocating compression action in a cylinder. The compressed air can be filled into an object to be pumped up, which is connected accordingly.As is well known, in a process of compressing a gas, the temperature frequently rises. At the same time, in the above-mentioned structure of the air compressor, the instability caused by the reciprocating motion of the piston also causes instability in the air pressure transmission, and since the intermittent pressure shock waves cause jitter of the pointer of the pressure gauge, a difference may arise between the air pressure value indicated by the pressure gauge and the actual air pressure value at the output end.Accordingly, providing a simple structure in consideration of the above requirements is actually a subject that the responsible technical staff must take into account and solve.SUMMARYThis disclosure provides an air compressor structure that provides a compact structure and allows for both structural sealing and air pressure stability.An air compressor structure of this disclosure includes a cylinder, a piston, and a cylinder head. The piston is coupled to the cylinder and reciprocates to generate pressurized air. The cylinder head is detachably connected to the cylinder. The cylinder head has an air storage chamber and an air outlet. The air storage chamber communicates between the cylinder and the air outlet to receive the compressed air and discharge the compressed air from the air compressor structure through the air outlet.In summary, in the air compressor structure of the embodiments of this disclosure, the cylinder head is provided with the air storage chamber and the air outlet to receive the compressed air from the cylinder and allow the compressed air to be ejected from the air outlet through a rear side of the air storage chamber. In this way, the cylinder head is an integrated structure that not only engages and covers the cylinder to receive the pressurized air, but also uses the air storage chamber inside as a compressed air buffer zone, taking into account both structural sealing and air pressure stability.BRIEF DESCRIPTION OF THE DRAWINGSFIG. 1 is a schematic diagram of an air compressor structure according to an embodiment of this disclosure. FIG. 2 is an exploded schematic diagram of a portion of the components of the air compressor structure in FIG. 1. FIGS. 3 and 4 are partial cross-sectional diagrams of various parts of a cylinder head. FIG. 5 is a schematic diagram of the assembly of a cylinder head and a cylinder.DESCRIPTION OF THE EMBODIMENTSFIG. 1 is a schematic diagram of an air compressor structure according to an embodiment of this disclosure. FIG. 2 is an exploded schematic diagram of a portion of the components of the air compressor structure of FIG. 1 The Cartesian coordinates X-Y-Z are also provided herein to facilitate the description of the components. Reference is made simultaneously to FIGS. 1 and 2. In this embodiment, an air compressor structure 100 includes a cylinder 110, a cylinder head 120, a piston 130, a transmission mechanism 140, an engine 150, a pressure gauge 160, and a pressure relief valve 170. The cylinder head 120 is detachably connected to the cylinder 110. The transmission mechanism 140 is connected between the engine 150 and a lower end of the piston 130, and an upper end of the piston 130 is movably coupled into the cylinder 110, so that the engine 150 can drive the piston 130 to perform reciprocation in the cylinder 110 through the transmission mechanism 140 to generate compressed air, the upper end of the piston 130 moving closer to or away from the cylinder head 120 together with the reciprocation. As the piston 130 continues to compress air, the upper end of the piston 130 also moves toward the cylinder head 120 and forces the compressed air from the cylinder 110 toward the cylinder head 120. When the piston 130 returns and is retracted, the upper end of the piston 130 moves away from the cylinder head 120, and air from the outside environment flows into the cylinder 110. The cylinder head 120 has an air storage chamber and an air outlet 123. As already mentioned, after the piston 130 generates the compressed air in the cylinder 110, the compressor air is pressed into the air storage chamber by the piston 130 and, after passing through the cylinder head 120, is discharged from the air compressor structure 100 through the air outlet 123. In short, before the compressed air is discharged from the air compressor structure 100, the air storage chamber of the cylinder head 120 serves as a temporary storage area for the compressed air.FIGS. 3 and 4 are partial cross-sectional diagrams of various parts of a cylinder head. Reference is made simultaneously to FIGS. 2 to 4. The cylinder head 120 of this embodiment is an integrated structure consisting of a cover 121 and a bracket 122. The cover 121 is connected to or detachable from the cylinder 110. The bracket 122 is structurally connected to the cover 121 and has the air outlet 123. The cover 121 and the cylinder 110 are docked to receive the compressed air. Moreover, the cover 121 has a first chamber 121c and the support 122 has a second chamber 122b. The first chamber 121 cis connected to the second chamber 122 bthrough an opening 122 a, and the opposite side of the first chamber 121 cis in communication with the cylinder 110. The second chamber 122 bis connected to the air outlet 123 through an opening 123 a, so that the second chamber 122 bmay be connected between the first chamber 121 cand the air outlet 123. As already mentioned, after the compressed air is generated by the piston 130 in the cylinder 110, the compressed air is pressed by the piston 130 into the cylinder head 120. As illustrated in FIG. 2, the compressed air sequentially flows through the first chamber 121 c, the opening 122 a, the second chamber 122 b, and the opening 123 a, and is discharged from the air outlet 123.It is understood that the cylinder head 120 serves not only as a connecting component between the cylinder 110 and an object to be blown (not shown), but also as a buffer for the compressed air. Further, the beam 122 has an L-shaped profile and the second chamber 122 bhas an inflection point, so that the residence time of the compressed air in the second chamber 122 bcan be correspondingly prolonged. In this way, during a break in the reciprocation of the piston 130, since compressed air still flows from the second chamber 122b into the first chamber 121c, the unstable air pressure from the break does not directly affect the compressed air discharged from the air outlet 123. Moreover, the compressed air inevitably receives heat from the apparatus as the operation time of the air compressor structure 100 increases or friction occurs between the piston 130 and the cylinder 110. Since the cylinder head 120 includes the first chamber 121 cand the second chamber 122 b(which mainly form the air storage chamber) for containing the compressed air, the compressed air can conduct heat through the structure (the bracket 122 and the cover 121) itself during the time when the compressed air is in the air storage chamber, thereby preventing the heat of the compressed air from interfering with the object to be blown.Moreover, as shown in FIG. 1, FIG. 2, or FIG. 4, the pressure gauge 160 of the air compressor structure 100 of this embodiment is disposed in the support 122 to detect an air pressure of the second chamber 122 b, and a marked scale of the pressure gauge 160 is located on a surface of the support 122. Accordingly, the cylinder head 120 allows a user to know the air pressure value of the air storage chamber through the built-in pressure gauge 160. Moreover, the pressure relief valve 170 of this embodiment is disposed in the carrier 122 and communicates with the second chamber 122b, so that the user, after checking the pressure gauge 160, can make a decision as to whether to operate the pressure relief valve 170 accordingly so that the pressure of the compressed air of the air storage chamber can reach a required level.FIG. 5 is a schematic diagram of the assembly of a cylinder head and a cylinder. Reference is made simultaneously to FIGS. 2 and 5. In this embodiment, the cover 121 and the cylinder 110 have a common central axis CZ. An inner lower edge of the cover 121 is provided with a plurality of notches 121 aand a plurality of stoppers 121 bwhich surround the central axis CZ and are offset from each other. A cylindrical outer surface 111 of the cylinder 110 is provided with a plurality of protrusions 112 arranged around the central axis CZ and corresponding to the notches 121 aand the stoppers 121 b. Each protrusion 112 moves into the first chamber 121 cof the cover 121 through the corresponding notch 121 a, and after the cover 121 and the cylinder 110 rotate relative to each other, each protrusion 112 moves into and locks to the corresponding stopper 121 b. Here, a distance between the protrusion 112 and the central axis CZ is shorter than a distance between the notch 121 aand the central axis CZ, and the protrusions 112 and the notches 121 aare located on the same plane (for example, an X-Y plane), and the plane (the X-Y plane) is a normal plane of the central axis CZ (or is regarded as a Z axis).In this way, during the assembly process of the cylinder head 120 and the cylinder 110, the protrusions 112 first move into the first chamber 121 cof the cover 121 along a path L 1, and the cylinder head 120 and the cylinder 110 are driven to rotate relative to each other about the central axis CZ, as shown by a rotation arrow in FIG. 5, which corresponds to movement of the protrusions 112 along a path L 2, so that the protrusions 112 engage with the stoppers 121 bto complete the assembly. In contrast, the user only needs to drive the cylinder head 120 and the cylinder 110 to rotate backward about the central axis CZ along the path L 2, and the cylinder head 120 and the cylinder 110 can be easily separated along the central axis CZ. FIG. 5 shows a state before assembly, and FIG. 2 shows a state after assembly.In summary, in the air compressor structure of the embodiments of this disclosure, the cylinder head is provided with the air storage chamber and the air outlet to receive the compressed air from the cylinder and allow the compressed air to be ejected from the air outlet through a rear side of the air storage chamber. In this way, the cylinder head is an integrated structure that not only engages and covers the cylinder to receive the pressurized air, but also uses the air storage chamber inside as a compressed air buffer zone, taking into account both structural sealing and air pressure stability to appropriately overcome the effects of intermittent pressure on the structure of the pressure gauge due to reciprocation of the piston. At the same time, the buffer zone allows the compressed air to conduct heat through the peripheral structure of the buffer zone to reduce the temperature rise during the air compression process.In one embodiment, the cylinder head and cylinder are assembled, engaged with each other, or disassembled in a rotating manner by a corresponding relationship between the protrusions, the notches, and the stops. In this way, a simple and practical manner is provided to combine the cylinder head and the cylinder to facilitate the disassembly and assembly and to enable the air compressor structure to be compact as mentioned and the above-mentioned effects to be achieved accordingly.Description of the reference numerals in the representative illustration 100 Air compressor structure 110 Cylinder 120 Cylinder head 130 Piston 140 Transmission mechanism 150 Engine 160 Pressure gauge 170 Pressure relief valve X-Y-Z Cartesian coordinates

Claims

An air compressor structure (100) comprising: a cylinder (110); a piston (130) coupled into the cylinder (110) and making a reciprocating motion to generate compressed air; and a cylinder head (120) detachably assembled to the cylinder (110), the cylinder head (120) having an air storage chamber and an air outlet (123), the air storage chamber communicating between the cylinder (110) and the air outlet (123) to receive the compressed air and discharge the compressed air from the air compressor structure (100) through the air outlet (123).The air compressor structure (100) of claim 1, wherein the cylinder head (120) comprises a cover (121) and a bracket (122), the cover (121) engages or disengages the cylinder (110), the bracket (122) is structurally connected to the cover (121), and the bracket (122) has the air outlet (123).The air compressor structure (100) according to claim 2, wherein the cover (121) and the cylinder (110) share a central axis (CZ), an inner lower edge of the cover (121) is provided with a plurality of notches (121a) and a plurality of stoppers (121b) surrounding the central axis (CZ) and offset from each other, an outer cylindrical surface of the cylinder (110) is provided with a plurality of protrusions (112) disposed around the central axis (CZ) and corresponding to the plurality of notches (121a) and the plurality of stoppers (121b), each of the plurality of protrusions (112) moving into the cover (121) through the corresponding notch (121a), and after the cover (121) and the cylinder (110) have rotated relative to each other, each of the plurality of protrusions (112) moves into and engages with the corresponding stopper (121b).The air compressor structure (100) according to claim 3, wherein a distance between the protrusion (112) and the central axis (CZ) is shorter than a distance between the notch (121a) and the central axis (CZ), and the plurality of protrusions (112) and the plurality of notches (121a) are on the same plane, the plane being a normal plane of the central axis (CZ).The air compressor structure (100) according to claim 2, wherein the cover (121) includes a first chamber (121c), the carrier (122) includes a second chamber (122b), the first chamber (121c) communicates with the cylinder (110), and the second chamber (122b) communicates between the first chamber (121c) and the air outlet (123).The air compressor structure (100) of claim 5, wherein the carrier (122) has an L-shaped profile and the second chamber (122b) has an inflection point.The air compressor structure (100) of claim 5, further comprising a pressure gauge (160) disposed in the carrier (122) to sense an air pressure of the second chamber (122b), wherein a marked scale of the pressure gauge (160) is located on a surface of the carrier (122).The air compressor structure (100) of claim 5, further comprising a pressure relief valve (170) disposed in the carrier (122) and communicating with the second chamber (122b).The air compressor structure (100) according to claim 1, further comprising an engine (150) and a transmission mechanism (140), wherein one end of the piston (130) is coupled into the cylinder (110), the other end of the piston (130) is connected to the transmission mechanism (140), the transmission mechanism (140) is connected to the engine (150), and the engine (150) drives the piston (130) to perform the reciprocating motion by the transmission mechanism (140), wherein the end of the piston (130) moves closer to or away from the cylinder head (120) together with the reciprocating motion.

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