CN217976510U - Air compressor capable of prolonging service life of valve block - Google Patents
Air compressor capable of prolonging service life of valve block Download PDFInfo
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- CN217976510U CN217976510U CN202221539733.9U CN202221539733U CN217976510U CN 217976510 U CN217976510 U CN 217976510U CN 202221539733 U CN202221539733 U CN 202221539733U CN 217976510 U CN217976510 U CN 217976510U
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Abstract
The embodiment of the utility model provides an improve air compressor in valve block life-span is provided, include: the hydraulic pump comprises a pump head, a first retaining piece, a first valve plate, a valve cover, a second retaining piece, a second valve plate, a leather cup, a piston, a cylinder body, a connecting rod, a bearing and an eccentric wheel; the pump head and the valve cover are sequentially assembled on the top of the cylinder body from top to bottom; a first valve plate is arranged above the valve cover, a first retaining piece is arranged above one end of the first valve plate, and the first retaining piece and one end of the first valve plate penetrate through the first retaining piece and the first valve plate through a first screw to be fixed to the valve cover; the piston is assembled in the cylinder body, and an air inlet hole is formed in the piston; a second valve plate is arranged above the piston, a second retaining piece is arranged above one end of the second valve plate, and the second retaining piece and one end of the second valve plate penetrate through the second retaining piece and the second retaining piece through a second screw to be fixed to the piston; a chamfer is arranged at the bottom corner of the lower side of the valve plate; the utility model discloses can prolong the life of valve block.
Description
Technical Field
The utility model relates to a piston air compressor, especially an improve air compressor of valve block life-span.
Background
The air inlet valve and the air outlet valve of the existing piston compressor are both of one-way valve structures with elastic deformation sheets; wherein the air inlet valve is arranged on the piston, and the air outlet valve is arranged on the valve cover above the piston; when the piston sucks air, the air inlet hole on the piston sucks air, the valve plate on the piston is driven to be opened upwards by the air pressure, and the air is sucked into the cylinder; compressing the gas by moving the piston upward; when the piston compresses air, the exhaust hole on the valve cover exhausts the air, and the valve plate on the valve cover is driven to be opened upwards by the air pressure to exhaust the air;
the existing structure has the defect that a valve plate of the compressor is easy to deform or warp or break in advance in the using process.
Disclosure of Invention
The embodiment of the utility model provides an improve air compressor in valve block life-span, through increasing the retainer plate to and improve the structure of retainer plate, reduce the stress and the tension that the valve block received at the operation in-process, thereby reduce the emergence of unfavorable conditions such as valve block production deformation, warpage. In order to realize the technical purpose, the embodiment of the utility model adopts the technical scheme that:
an embodiment of the utility model provides an improve air compressor in valve block life-span, include: the hydraulic pump comprises a pump head, a first retaining piece, a first valve plate, a valve cover, a second retaining piece, a second valve plate, a leather cup, a piston, a cylinder body, a connecting rod, a bearing and an eccentric wheel;
the pump head and the valve cover are sequentially assembled on the top of the cylinder body from top to bottom; an air outlet pipe is arranged on the pump head; the valve cover is provided with an exhaust hole; a first valve plate is arranged above the valve cover, a first retaining piece is arranged above one end of the first valve plate, the first retaining piece penetrates through the first retaining piece and one end of the first valve plate through a first screw and is fixed to the valve cover, and the other end of the first valve plate is pressed at the upper end of the exhaust hole;
the piston is connected with the connecting rod, the piston is assembled in the cylinder body, a leather cup is arranged on the outer ring of the top of the piston, and the leather cup is in elastic contact with the inner wall of the cylinder body; an air inlet is arranged in the piston; a second valve plate is arranged above the piston, a second retaining piece is arranged above one end of the second valve plate and penetrates through the second retaining piece and one end of the second valve plate through a second screw to be fixed to the piston, and the other end of the second valve plate is pressed at the upper end of the air inlet;
the lower end of the connecting rod is connected with an eccentric shaft on one side of the eccentric wheel through a bearing; the shaft hole at the other side of the eccentric wheel is used for connecting a motor rotating shaft.
Furthermore, the bottom corner of the lower side of the first retaining piece facing the exhaust hole is provided with a chamfer.
Furthermore, the chamfer provided at the bottom corner of the lower side of the first retaining piece facing the exhaust hole is an arc-shaped oblique chamfer.
Furthermore, a chamfer is arranged at the bottom corner of the lower side of one side, facing the air inlet hole, of the second retaining sheet.
Furthermore, the chamfer provided at the bottom corner of the lower side of the second holding piece facing the air inlet hole is an arc-shaped oblique chamfer.
Furthermore, the outer ring of the top of the piston is provided with a circle of pressing groove, the leather cup is pressed in the pressing groove of the outer ring of the top of the piston through the pressing ring, and the side wall of the leather cup is in elastic contact with the inner wall of the cylinder body.
Further, the piston is constructed integrally with the connecting rod.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
1) The valve plate is prevented from being early warped and deformed and being broken in advance in the using process; the service life of the valve plate is prolonged.
2) The valve plate can be arranged in a better working state through the retaining plate.
3) The assembly is simple, the manufacturing process is convenient, and the manufacturing cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an air compressor according to an embodiment of the present invention.
Fig. 2 is a partial schematic view of a retention tab in an embodiment of the invention.
Fig. 3 is a sectional view of the holding piece in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in FIG. 1, the embodiment of the utility model provides an improve air compressor in valve block life-span, include: the pump comprises a pump head 1, a first retaining sheet 3, a first valve sheet 4, a valve cover 5, a second retaining sheet 8, a second valve sheet 9, a leather cup 11, a piston 12, a cylinder body 13, a connecting rod 14, a bearing 15 and an eccentric wheel 16;
the pump head 1 and the valve cover 5 are sequentially assembled on the top of the cylinder body 13 from top to bottom; an air outlet pipe 101 is arranged on the pump head 1; the valve cover 5 is provided with an exhaust hole 501; a first valve plate 4 is arranged above the valve cover 5, a first retaining plate 3 is arranged above one end of the first valve plate 4, the first retaining plate 3 penetrates through the first retaining plate 3 and one end of the first valve plate 4 through a first screw 2 and is fixed to the valve cover 5, and the other end of the first valve plate 4 is pressed at the upper end of the exhaust hole 501;
the piston 12 is connected with a connecting rod 14, the piston 12 is assembled in a cylinder body 13, a leather cup 11 is arranged on the outer ring of the top of the piston 12, and the leather cup 11 is in elastic contact with the inner wall of the cylinder body 13; an air inlet hole 1201 is arranged in the piston 12; a second valve plate 9 is arranged above the piston 12, a second retaining plate 8 is arranged above one end of the second valve plate 9 and fixed to the piston 12 through a second screw 7 by penetrating through the second retaining plate 8 and one end of the second valve plate 9, and the other end of the second valve plate 9 is pressed on the upper end of the air inlet hole 1201;
the lower end of the connecting rod 14 is connected with an eccentric shaft on one side of an eccentric wheel 16 through a bearing 15; the shaft hole at the other side of the eccentric wheel 16 is used for connecting a motor rotating shaft;
the motor drives the eccentric wheel 16 to rotate, when the eccentric wheel 16 drives the connecting rod 14 and the piston 12 to move downwards, the first valve plate 4 is closed, the second valve plate 9 is opened, and gas enters the cylinder body 13 from the gas inlet hole 1201 on the piston 12; when the eccentric wheel 16 drives the connecting rod 14 and the piston 12 to move upwards, the gas in the cylinder 13 is compressed, at the moment, the first valve plate 4 is opened, the second valve plate 9 is closed, and the gas passes through the exhaust hole 501 on the valve cover 5 and then is exhausted from the gas outlet pipe 101 of the pump head 1;
by arranging the first retaining piece 3 and the second retaining piece 8, the working state of the first valve plate 4 and the second valve plate 9 can be improved, so that the first valve plate and the second valve plate can keep proper elasticity when being closed and opened, and the first valve plate and the second valve plate are not too weak or too strong; the service life of the valve plate is also prolonged;
as the optimization of the embodiment, a sealing ring 6 is arranged between the valve cover 5 and the cylinder body 13; the sealing ring 6 can prevent the valve cover 5 and the cylinder body 13 from keeping air tightness, and prevent the piston from leaking air when compressing air;
as an optimization of the present embodiment, as shown in fig. 2, the bottom corner of the lower side of the first retaining piece 3 facing the air outlet 501 is provided with a chamfer, and the bottom corner of the lower side of the second retaining piece 8 facing the air inlet 1201 is provided with a chamfer; the stress and the tension borne by the valve plate in the operation process can be reduced, and the valve plate is prevented from early buckling deformation and early fracture in the use process; the service life of the valve plate is prolonged;
as a further optimization of the present embodiment, as shown in fig. 3, the chamfer provided at the lower bottom corner of the first retaining piece 3 on the side facing the air outlet 501 is an arc-shaped oblique chamfer, and the chamfer provided at the lower bottom corner of the second retaining piece 8 on the side facing the air inlet 1201 is an arc-shaped oblique chamfer; the stress and the tension of the valve plate in the opening and closing process can be further reduced.
As the optimization of the embodiment, a circle of pressure groove is arranged on the outer ring of the top of the piston 12, the leather cup 11 is pressed in the pressure groove on the outer ring of the top of the piston 12 through the pressure ring 10, and the side wall of the leather cup 11 is in elastic contact with the inner wall of the cylinder body 13; the leather cup is fixed through the compression ring, so that the structural complexity is greatly reduced, the installation is convenient and fast, and the connection is reliable;
as the optimization of the embodiment, the piston 12 and the connecting rod 14 are integrally constructed, the structural complexity can be further reduced, and the overall strength of the piston 12 and the connecting rod 14 is higher.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (7)
1. The utility model provides an improve air compressor of valve block life-span which characterized in that includes: the device comprises a pump head (1), a first retaining piece (3), a first valve plate (4), a valve cover (5), a second retaining piece (8), a second valve plate (9), a leather cup (11), a piston (12), a cylinder body (13), a connecting rod (14), a bearing (15) and an eccentric wheel (16);
the pump head (1) and the valve cover (5) are sequentially assembled on the top of the cylinder body (13) from top to bottom; an air outlet pipe (101) is arranged on the pump head (1); an exhaust hole (501) is arranged in the valve cover (5); a first valve plate (4) is arranged above the valve cover (5), a first retaining plate (3) is arranged above one end of the first valve plate (4) and penetrates through the first retaining plate (3) and one end of the first valve plate (4) through a first screw (2) to be fixed to the valve cover (5), and the other end of the first valve plate (4) is pressed at the upper end of the exhaust hole (501);
the piston (12) is connected with the connecting rod (14), the piston (12) is assembled in the cylinder body (13), a leather cup (11) is arranged on the outer ring of the top of the piston (12), and the leather cup (11) is in elastic contact with the inner wall of the cylinder body (13); an air inlet hole (1201) is arranged in the piston (12); a second valve sheet (9) is arranged above the piston (12), a second retaining sheet (8) is arranged above one end of the second valve sheet (9) and penetrates through the second retaining sheet (8) and one end of the second valve sheet (9) through a second screw (7) to be fixed to the piston (12), and the other end of the second valve sheet (9) is pressed at the upper end of the air inlet hole (1201);
the lower end of the connecting rod (14) is connected with an eccentric shaft at one side of an eccentric wheel (16) through a bearing (15); the shaft hole at the other side of the eccentric wheel (16) is used for connecting a motor rotating shaft.
2. The air compressor of claim 1, wherein the valve plate has a longer life,
the bottom corner of the lower side of one side, facing the exhaust hole (501), of the first holding piece (3) is provided with a chamfer.
3. The air compressor of claim 2, wherein the life of the valve sheet is prolonged,
the chamfer arranged at the bottom corner of the lower side of one side, facing the exhaust hole (501), of the first holding piece (3) is an arc-shaped inclined chamfer.
4. The air compressor of claim 1, wherein the valve plate has a longer life,
and a chamfer is arranged at the bottom corner of the lower side of one side, facing the air inlet hole (1201), of the second retaining sheet (8).
5. The air compressor of claim 4, wherein the valve plate life is increased,
the chamfer angle arranged at the bottom corner of the lower side of one side, facing the air inlet hole (1201), of the second retaining sheet (8) is an arc-shaped oblique chamfer angle.
6. The air compressor of claim 1, wherein the valve plate has a longer life,
the piston (12) top outer lane is equipped with the round indent, presses leather cup (11) in the indent of piston (12) top outer lane through clamping ring (10), the lateral wall and cylinder body (13) inner wall elastic contact of leather cup (11).
7. The air compressor of claim 1, wherein the valve plate has a longer life,
the piston (12) is constructed in one piece with a connecting rod (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221539733.9U CN217976510U (en) | 2022-06-20 | 2022-06-20 | Air compressor capable of prolonging service life of valve block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221539733.9U CN217976510U (en) | 2022-06-20 | 2022-06-20 | Air compressor capable of prolonging service life of valve block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217976510U true CN217976510U (en) | 2022-12-06 |
Family
ID=84274294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221539733.9U Active CN217976510U (en) | 2022-06-20 | 2022-06-20 | Air compressor capable of prolonging service life of valve block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217976510U (en) |
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2022
- 2022-06-20 CN CN202221539733.9U patent/CN217976510U/en active Active
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