CN209838642U - Cylinder body assembly with exhaust valve block limiting function - Google Patents
Cylinder body assembly with exhaust valve block limiting function Download PDFInfo
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- CN209838642U CN209838642U CN201920620041.9U CN201920620041U CN209838642U CN 209838642 U CN209838642 U CN 209838642U CN 201920620041 U CN201920620041 U CN 201920620041U CN 209838642 U CN209838642 U CN 209838642U
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Abstract
The utility model relates to a take spacing cylinder body subassembly of discharge valve piece, it includes the cylinder cap, is equipped with the cavity in the cylinder cap bottom, and the cylinder cap outside is equipped with the blast pipe, blast pipe and cavity intercommunication, the cavity top surface of cylinder cap is equipped with the spacing boss of valve piece, the bottom surface slope setting of the spacing boss of valve piece. This kind of take spacing cylinder body subassembly of discharge valve piece adds the spacing boss of a valve piece in the inside of cylinder cap, can be like this the compressor during operation, the discharge valve piece on the valve plate increases the life of discharge valve piece because of the spacing boss of valve piece, avoids the discharge valve piece to open too high, leads to discharge valve piece live time overlength, the unable normal switching of valve piece, just so can guarantee the effective volumetric efficiency of compressor.
Description
Technical Field
The utility model relates to an air compressor, especially a take spacing cylinder body subassembly of discharge valve piece.
Background
The existing air compressor comprises a cylinder cover, a valve plate and a cylinder sleeve, wherein the valve plate is arranged on the cylinder sleeve, the cylinder cover is arranged on the valve plate, an exhaust valve plate is arranged on the valve plate, and the exhaust valve plate moves upwards in an opening and closing mode when the air compressor works. However, the upward opening height and angle of the exhaust valve plate are not limited, so that the exhaust valve plate is likely to be opened too high, and the fatigue of the exhaust valve plate is likely to occur, so that the service life of the exhaust valve plate is greatly reduced.
Disclosure of Invention
An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a simple structure is reasonable, inject the valve block and open the angle, improve life's the spacing cylinder body subassembly of area exhaust valve block.
The purpose of the utility model is realized like this:
the utility model provides a take spacing cylinder body subassembly of discharge valve piece, includes the cylinder cap, is equipped with the cavity in the cylinder cap bottom, and the cylinder cap outside is equipped with the blast pipe, blast pipe and cavity intercommunication, characterized by, the cavity top surface of cylinder cap is equipped with the spacing boss of valve piece, the bottom surface slope setting of the spacing boss of valve piece. Because the exhaust valve plate swings upwards in the working process of the compressor, the bottom surface of the valve plate limiting boss which is obliquely arranged is more adaptive to the top surface of the exhaust valve plate.
The purpose of the utility model can also adopt the following technical measures to solve:
as a more specific scheme, the valve plate limiting boss is composed of two rib plates which are arranged in a cross shape, the structure can increase the structural strength of the cylinder cover, and the use of materials can be reduced.
As a further scheme, the valve plate and the cylinder sleeve are further included, the valve plate is arranged between the cylinder sleeve and the cylinder cover, and the joint of the valve plate, the cylinder sleeve and the cylinder cover is in sealing fit; the valve plate is provided with a valve block and an exhaust hole, the exhaust hole is positioned below the valve block limiting boss and penetrates through the upper side and the lower side of the valve plate, one end of the valve block is fixed with the valve plate, and the other end of the valve block covers the exhaust hole.
As a further scheme, an inner concave ring surface is arranged at the upper part of the periphery of the valve plate, the periphery and the top of the inner concave ring surface are open, and a sealing ring is sleeved on the inner concave ring surface; the inner upper end of the cylinder sleeve is provided with a bearing platform, the valve plate is supported on the bearing platform, the cylinder cover is arranged on the top surface of the cylinder sleeve, the bottom surface of the cylinder cover is provided with an annular convex rib corresponding to the concave ring surface of the valve plate, the annular convex rib extends into the upper end of the cylinder sleeve, and the sealing ring is in compression sealing fit with the concave ring surface, the bottom surface of the annular convex rib and the inner wall of the upper end of the cylinder sleeve. Through setting up a sealing washer promptly, can make the sealed cooperation of the hookup location between cylinder cap and valve plate, cylinder liner and the valve plate simultaneously.
As a further scheme, the two sides of the cavity of the cylinder cover, corresponding to the inner ends of the exhaust pipes, are provided with limiting clamping plates, the left side and the right side of the top surface of the valve plate are provided with limiting grooves, and the limiting clamping plates are inserted into the limiting grooves.
According to a further scheme, a screw hole is formed in one end, corresponding to the valve block, of the top surface of the valve plate, a dust-proof groove is formed between the screw hole and the exhaust hole, corresponding to the top surface of the valve plate, the width of the dust-proof groove is larger than or equal to the width of the valve block, one end of the valve block is fixedly connected with the valve plate through a locking screw, and the locking screw penetrates through the pressing plate and the valve block in sequence and then. The dustproof groove can prevent the valve plate from not being attached to the valve plate due to the suction of dust or sundries.
As a further scheme, a connecting lug is arranged outside the cylinder cover.
As a further scheme, the included angle alpha between the bottom surface of the valve plate limiting boss and the horizontal plane is 3-5 degrees.
As a further scheme, the inner wall of the exhaust hole is provided with three steps which are sequentially rectangular, circular and circular from bottom to top. Besides the exhaust function, the exhaust hole can also avoid the screw on the connecting rod, so that the problem of interference between the screw at the head of the connecting rod and the valve plate is avoided.
The utility model has the advantages as follows:
(1) the cylinder body assembly with the exhaust valve plate limiting function is characterized in that the valve plate limiting boss is arranged in the cylinder cover, so that when the compressor works, the exhaust valve plate on the valve plate is limited by the valve plate limiting boss, the service life of the exhaust valve plate is prolonged, the phenomenon that the exhaust valve plate is too high in opening, the service time of the exhaust valve plate is too long, and the valve plate cannot be normally opened and closed is avoided, and the effective volumetric efficiency of the compressor can be guaranteed;
(2) the cylinder cover is internally provided with the limiting clamping plate in the cylinder body component with the exhaust valve block for limiting, the limiting groove of the limiting clamping plate and the valve plate has a limiting requirement on the installation direction of the cylinder cover and the installation direction of the valve plate, and the direction of opening the valve block is inconsistent with the inclined plane on the cylinder cover and is set for preventing installation errors.
Drawings
Fig. 1 is the structure schematic diagram of the cylinder cover of the utility model.
Fig. 2 is another angle structure diagram of the middle cylinder cover of the present invention.
Fig. 3 is a schematic view of a cross-sectional structure of the present invention.
Fig. 4 is the schematic view of the structure of the cylinder cover in the bottom view.
FIG. 5 is a schematic sectional view A-A of FIG. 4.
Fig. 6 is the structure schematic diagram of the valve plate 3 of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
referring to fig. 1 to 6, the cylinder body assembly with the exhaust valve plate limiting function comprises a cylinder cover 1, wherein a concave cavity 13 is arranged in the bottom of the cylinder cover 1, an exhaust pipe 11 is arranged on the outer side of the cylinder cover 1, the exhaust pipe 11 is communicated with the concave cavity 13, and a valve plate limiting boss 14 is arranged on the top surface of the concave cavity 13 of the cylinder cover 1. The bottom surface of the valve plate limiting boss 14 is obliquely arranged. And the included angle alpha between the bottom surface of the valve plate limiting boss 14 and the horizontal plane is 3-5 degrees.
The valve plate limiting boss 14 is composed of two rib plates which are arranged in a cross shape.
The cylinder body assembly further comprises a valve plate 3 and a cylinder sleeve 4, the valve plate 3 is arranged between the cylinder sleeve 4 and the cylinder cover 1, and the joint of the valve plate 3, the cylinder sleeve 4 and the cylinder cover 1 is in sealing fit; valve plate 3 is last to be equipped with valve block 5 and exhaust hole 32, and exhaust hole 32 is located the spacing boss 14 below of valve block 5 and runs through the upper and lower both sides of valve plate 3, and the one end of valve block 5 is fixed with valve plate 3, and the other end of valve block 5 covers on exhaust hole 32. The inner wall of the exhaust hole 32 is provided with three steps which are sequentially rectangular, circular and circular from bottom to top.
The upper part of the periphery of the valve plate 3 is provided with an inner concave ring surface 31, the periphery and the top of the inner concave ring surface 31 are open, and the inner concave ring surface 31 is sleeved with a sealing ring 2; the inner upper end of the cylinder sleeve 4 is provided with a bearing platform 41, the valve plate 3 is supported on the bearing platform 41, the cylinder cover 1 is arranged on the top surface of the cylinder sleeve 4, the bottom surface of the cylinder cover 1 is provided with an annular convex rib 10 corresponding to the concave ring surface 31 of the valve plate 3, the annular convex rib 10 extends into the upper end of the cylinder sleeve 4, and the sealing ring 2 is in compression sealing fit with the concave ring surface 31, the bottom surface of the annular convex rib 10 and the inner wall of the upper end of the cylinder sleeve 4.
The both sides that the cavity 13 of cylinder cap 1 corresponds 11 inner of blast pipes are equipped with spacing cardboard 15, the 3 top surfaces left and right sides of valve plate are equipped with spacing recess 35, and spacing cardboard 15 inserts in the spacing recess 35.
The one end that the valve plate 3 top surface corresponds valve block 5 is equipped with screw 37, and the valve plate 3 top surface corresponds and is equipped with dust groove 34 between screw 37 and the exhaust hole 32, and dust groove 34 width is more than or equal to valve block 5 width, the one end of valve block 5 is through locking screw 6 and valve plate 3 fixed connection, and locking screw 6 passes clamp plate 7 and valve block 5 in proper order and is connected with screw 37.
The cylinder cover 1 is externally provided with a connecting lug 12.
Claims (9)
1. A cylinder body assembly with an exhaust valve block limiting function comprises a cylinder cover (1), wherein a concave cavity (13) is formed in the bottom of the cylinder cover (1), an exhaust pipe (11) is arranged on the outer side of the cylinder cover (1), and the exhaust pipe (11) is communicated with the concave cavity (13), and is characterized in that a valve block limiting boss (14) is arranged on the top surface of the concave cavity (13) of the cylinder cover (1); the bottom surface of the valve plate limiting boss (14) is obliquely arranged.
2. The cylinder body assembly with the exhaust valve plate limiting function according to claim 1, wherein the valve plate limiting boss (14) is composed of two rib plates arranged in a cross shape.
3. The cylinder body assembly with the exhaust valve plate limiting function according to claim 1, further comprising a valve plate (3) and a cylinder sleeve (4), wherein the valve plate (3) is arranged between the cylinder sleeve (4) and the cylinder cover (1), and the joint of the valve plate (3), the cylinder sleeve (4) and the cylinder cover (1) is in sealing fit; valve block (5) and exhaust hole (32) are equipped with on valve plate (3), and exhaust hole (32) are located valve block (5) spacing boss (14) below and run through the upper and lower both sides of valve plate (3), and the one end and the valve plate (3) of valve block (5) are fixed, and the other end of valve block (5) covers on exhaust hole (32).
4. The cylinder assembly with the exhaust valve block limiting function according to claim 3, wherein the valve plate (3) is provided with an inner concave ring surface (31) at the upper part of the outer periphery, the outer periphery and the top of the inner concave ring surface (31) are open, and the inner concave ring surface (31) is sleeved with a sealing ring (2); the inner upper end of the cylinder sleeve (4) is provided with a bearing platform (41), the valve plate (3) is placed on the bearing platform (41), the cylinder cover (1) is arranged on the top surface of the cylinder sleeve (4), the bottom surface of the cylinder cover (1) corresponds to the concave ring surface (31) of the valve plate (3) and is provided with an annular convex rib (10), the annular convex rib (10) extends into the upper end of the cylinder sleeve (4), and the sealing ring (2) is in compression sealing fit with the concave ring surface (31), the bottom surface of the annular convex rib (10) and the inner wall of the upper end of the cylinder sleeve (4).
5. The cylinder body assembly with the exhaust valve block limiting function according to claim 3, wherein the concave cavity (13) of the cylinder cover (1) is provided with limiting clamping plates (15) at two sides corresponding to the inner end of the exhaust pipe (11), the left side and the right side of the top surface of the valve plate (3) are provided with limiting grooves (35), and the limiting clamping plates (15) are inserted into the limiting grooves (35).
6. The cylinder body assembly with the exhaust valve block limiting function according to claim 3, wherein a screw hole (37) is formed in one end, corresponding to the valve block (5), of the top surface of the valve plate (3), a dust prevention groove (34) is formed between the corresponding screw hole (37) of the top surface of the valve plate (3) and the exhaust hole (32), the width of the dust prevention groove (34) is larger than or equal to the width of the valve block (5), one end of the valve block (5) is fixedly connected with the valve plate (3) through a locking screw (6), and the locking screw (6) penetrates through the pressing plate (7) and the valve block (5) in sequence and then is connected with the screw hole (37).
7. Cylinder assembly with flap stop according to claim 1, characterized in that the cylinder head (1) is externally provided with coupling lugs (12).
8. The cylinder assembly with the exhaust valve plate limit of claim 1, wherein the included angle α between the bottom surface of the valve plate limit boss (14) and the horizontal plane is 3-5 degrees.
9. The cylinder assembly with the exhaust valve block limit as set forth in claim 3, wherein the inner wall of the exhaust hole (32) is provided with three steps, and the three steps are rectangular, circular and circular in sequence from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920620041.9U CN209838642U (en) | 2019-04-30 | 2019-04-30 | Cylinder body assembly with exhaust valve block limiting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920620041.9U CN209838642U (en) | 2019-04-30 | 2019-04-30 | Cylinder body assembly with exhaust valve block limiting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209838642U true CN209838642U (en) | 2019-12-24 |
Family
ID=68915090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920620041.9U Active CN209838642U (en) | 2019-04-30 | 2019-04-30 | Cylinder body assembly with exhaust valve block limiting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209838642U (en) |
-
2019
- 2019-04-30 CN CN201920620041.9U patent/CN209838642U/en active Active
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