CN103411005A - Automatic decompression valve device of lubricating oil supplementing mechanism - Google Patents
Automatic decompression valve device of lubricating oil supplementing mechanism Download PDFInfo
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- CN103411005A CN103411005A CN2013103780547A CN201310378054A CN103411005A CN 103411005 A CN103411005 A CN 103411005A CN 2013103780547 A CN2013103780547 A CN 2013103780547A CN 201310378054 A CN201310378054 A CN 201310378054A CN 103411005 A CN103411005 A CN 103411005A
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- buckle body
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- spring
- depression bar
- valve buckle
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Abstract
The invention discloses an automatic decompression valve device of a lubricating oil supplementing mechanism. The device comprises a cylindrical valve frame body, a disc-shaped spring stop dog, a spring, a pull rod, a rubber gasket, a rubber gasket support block, a decompression hole, a pressure evening hole and an elastic film. Two ends of the pull rod are fixedly connected with the spring stop dog and the rubber gasket support block, the elastic film is in the shape of a hollow disc, the inner wall face and the outer wall face of the elastic film are fixedly connected with the side of the spring stop dog and the inner wall of the valve frame body respectively, the upper end and the lower end of the spring are in contact with the lower wall of the spring stop dog and the lower wall of the valve frame body, the rubber gasket is located between the rubber gasket support block and the outer wall of the valve frame body, the decompression hole is located in the lower cavity wall, and the pressure evening hole is located in the upper cavity wall. By means of the automatic decompression valve, gas in an oil cup can be released automatically and timely according to inner pressure of the oil cup, oil cup failure caused by the inner pressure is prevented, and the normal lubricating oil position of a lubricated part can be ensured.
Description
Technical field
The present invention relates to natural gas compressor lubricant oil compensating unit field, particularly relate to a kind of lubricant oil supplementary mechanism releasing pressure automatically control valve unit.
Background technique
Natural gas compressing generally adopts multistage compression, and the piston compressors that use in prior art more, in each level work process of piston compressor, the crank spindle bearing, crank pin and big end bearing shell, crosshead pin and lining of connecting rod small end, crosshead and slideway, compression cylinder, head packing seal place etc. all needs lubricant oil to be lubricated, and in compressor operation, lubricant oil everywhere is because the frictional heat loss, oxidation, the reasons such as carbonization need to supplement in time, if lubrication effect is not good, will bring compressor damage even to cause even more serious production accident.
In prior art, for monitoring the lubricant oil oil mass of important lubricant housings, usually on this position lubricant oil inlet, lubricating cup is set, with simultaneous display internal lubrication oil level height, yet along with the operation of compressor, lubricant housings will tend towards stability after being warmed up to certain numerical value, the air expanded by heating of this process lubricant housings or this angryization of lubricant oil will cause the interior voltage rise of lubricating cup high, cause lubricating cup to leak the damage of even breaking, be unfavorable for the normal operation of compressor.
Summary of the invention
For the air expanded by heating of above-mentioned existing natural gas compressor lubricant housings or this angryization of lubricant oil, will cause in lubricating cup voltage rise high, cause lubricating cup to leak the damage of even breaking, the problem that is unfavorable for the normal operation of compressor, the invention provides a kind of lubricant oil supplementary mechanism releasing pressure automatically control valve unit.
For addressing the above problem, lubricant oil supplementary mechanism releasing pressure automatically control valve unit provided by the invention solves problem by following technological points: lubricant oil supplementary mechanism releasing pressure automatically control valve unit, comprise columned valve buckle body, discoidal spring block, spring, pull bar, rubber pad, the rubber pad support block, relief hole, balancing orifice and elastic membrane, the two ends of described pull bar are fixedly connected with respectively spring block and rubber pad support block, and spring block is positioned at the valve buckle body, the rubber pad support block is positioned at the outside, bottom of valve buckle body, pull bar becomes Spielpassung with valve buckle body wall face, described elastic membrane is the discoid of hollow, in elastic membrane, outer wall is fixedly connected with the inwall of valve buckle body with the side of spring block respectively, and spring block and elastic membrane are divided into epicoele and cavity of resorption two-part by the valve buckle body, described spring is positioned at cavity of resorption, and spring is upper, lower end contacts with valve buckle body lower wall with the spring block lower wall respectively, described rubber pad is between rubber pad support block and the external wall of valve buckle, described relief hole is positioned on the cavity of resorption wall, described balancing orifice is positioned on the epicoele wall.
Decompression valves is for being fixedly connected on the internal surface of lubricating cup, the Decompression valves medi-spring is in compressive state at any time, on the lubricating cup wall, also be provided with through hole, relief hole communicates with through hole, the elastic force of spring makes the rubber pad compression chord between rubber pad support block and valve buckle body, by Decompression valves cavity of resorption and lubricating cup interior separations, balancing orifice is by epicoele and lubricating cup internal communication, operation along with compressor, when the lubricating cup internal pressure raises, when the pressure of elastic membrane and spring block upper surface and rubber pad support block lower surface pressure difference are greater than spring force, spring continues compressed, make between rubber pad and valve buckle body and form gap, gas in lubricating cup enters the lubricating cup cavity of resorption by gap and enters atmosphere by relief hole, complete pressure release, after pressure drop, recoil of spring, spring force make the rubber pad place continue to form sealing.
Further technological scheme is:
Also comprise depression bar, described depression bar partly is positioned at epicoele, and an end of depression bar is fixedly connected with spring block, and depression bar becomes Spielpassung with valve buckle body wall face, and on fitting surface, is provided with O type circle.
The depression bar arranged is convenient to the manual pressure release of equipment operations staff, namely on depression bar, applies pressure stress, makes spring further compressed, to unload glass internal pressure of draining the oil; The O type circle arranged is intended to prevent depression bar and valve buckle body fitting surface generation Leakage Gas, affects epicoele and all presses, and unloads and puts in time thereby affect pressure in lubricating cup.
Described depression bar and pull bar are set to one, and are provided with outside thread on depression bar and pull bar, and described spring block is provided with internal thread through hole, and described spring block becomes screw-thread fit with described outside thread.
This setting is intended to can be by around depression bar or pull bar torsional spring block, realizes that the position of spring block on pull bar and depression bar move, and namely reaches the purpose of the spring force of Regulation spring at any time.
Described valve buckle body bottom is provided with outer lug boss, and the Spielpassung face of valve buckle body and pull bar is in the outer lug boss bottom.
The outer lug boss arranged is intended to be accumulated in pressure leak process the lubricant oil that enters Decompression valves inside, prevents that lubricant oil is accumulated in Decompression valves for a long time.
The upper end of described depression bar is provided with the hand platform that cross sectional area is greater than the depression bar cross sectional area.
The hand platform arranged is intended to the equipment operations staff when operation is of the present invention, increases equipment operations staff finger and area of contact of the present invention, the comfort level when being conducive to operator and operating.
The present invention has following beneficial effect:
The present invention is simple in structure, manufacturing is easy, on existing lubricating cup basis, set up this device, according to the interior pressure in lubricating cup, change releasing pressure automatically, can eliminate like this because above-mentioned interior pressure causes that lubricating cup leaks or the fault such as break causes lubricant housings lubricant oil liquid level abnormal, be conducive to guarantee the normal operation of compressor.
The accompanying drawing explanation
Fig. 1 is the structure cross-sectional schematic of a specific embodiment of lubricant oil supplementary mechanism releasing pressure automatically control valve unit of the present invention.
Figure acceptance of the bid note is respectively: 1, valve buckle body, 2, depression bar, 3, spring block, 4, spring, 5, pull bar, 6, outer lug boss, 7, rubber pad, 8, rubber pad support block, 9, relief hole, 10, balancing orifice, 11, elastic membrane.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but structure of the present invention is not limited only to following examples:
Embodiment 1:
As shown in Figure 1, lubricant oil supplementary mechanism releasing pressure automatically control valve unit, comprise columned valve buckle body 1, discoidal spring block 3, spring 4, pull bar 5, rubber pad 7, rubber pad support block 8, relief hole 9, balancing orifice 10 and elastic membrane 11, the two ends of described pull bar 5 are fixedly connected with respectively spring block 3 and rubber pad support block 8, and spring block 3 is positioned at valve buckle body 1, rubber pad support block 8 is positioned at the outside, bottom of valve buckle body 1, pull bar 5 becomes Spielpassung with valve buckle body 1 wall, described elastic membrane 11 is the discoid of hollow, in elastic membrane 11, outer wall is fixedly connected with the inwall of valve buckle body 1 with the side of spring block 3 respectively, and spring block 3 and elastic membrane 11 are divided into epicoele and cavity of resorption two-part by valve buckle body 1, described spring 4 is positioned at cavity of resorption, and spring 4 is upper, lower end contacts with valve buckle body 1 lower wall with spring block 3 lower walls respectively, described rubber pad 7 is between rubber pad support block 8 and valve buckle body 1 outer wall, described relief hole 9 is positioned on the cavity of resorption wall, described balancing orifice 10 is positioned on the epicoele wall.
Decompression valves is fixedly connected on the internal surface of lubricating cup, Decompression valves medi-spring 4 is in compressive state at any time, on the lubricating cup wall, also be provided with through hole, relief hole 9 communicates with through hole, the elastic force of spring 4 makes rubber pad 7 compression chords between rubber pad support block 8 and valve buckle body 1, by Decompression valves cavity of resorption and lubricating cup interior separations, balancing orifice 10 is by epicoele and lubricating cup internal communication, operation along with compressor, when the lubricating cup internal pressure raises, when the pressure of elastic membrane 11 and spring block 3 upper surfaces and rubber pad support block 8 lower surface pressure differences are greater than spring 4 elastic force, spring 4 continues compressed, make between rubber pad 7 and valve buckle body 1 and form gap, gas in lubricating cup enters the lubricating cup cavity of resorption by gap and enters atmosphere by relief hole 9, complete pressure release, after pressure drop, spring 4 resiliences, spring force makes rubber pad 7 places continue to form sealing.
Embodiment 2:
The present embodiment is further improved on embodiment 1 basis, as shown in Figure 1, also comprise depression bar 2, described depression bar 2 parts are positioned at epicoele, and an end of depression bar 2 is fixedly connected with spring block 3, depression bar 2 becomes Spielpassung with valve buckle body 1 wall, and on fitting surface, is provided with O type circle.
The depression bar 2 arranged is convenient to the manual pressure release of equipment operations staff, namely on depression bar 2, applies pressure stress, makes spring 4 further compressed, to unload glass internal pressure of draining the oil; The O type circle arranged is intended to prevent depression bar 2 and valve buckle body 1 fitting surface generation Leakage Gas, affects epicoele and all presses, and unloads and puts in time thereby affect pressure in lubricating cup.
Described depression bar 2 and pull bar 5 are set to one, and are provided with outside thread on depression bar 2 and pull bar 5, and described spring block 3 is provided with internal thread through hole, and described spring block 3 becomes screw-thread fit with described outside thread.
This setting is intended to can be by around depression bar 2 or pull bar 5 torsional spring blocks 3, realize that the position of spring block 3 on pull bar 5 and depression bar 2 move, and namely reach the purpose of the spring force of Regulation spring 4 at any time.
Described valve buckle body 1 bottom is provided with outer lug boss 6, and the Spielpassung face of valve buckle body 1 and pull bar 5 is in outer lug boss 6 bottoms.
The outer lug boss 6 arranged is intended to be accumulated in pressure leak process the lubricant oil that enters Decompression valves inside, prevents that lubricant oil is accumulated in Decompression valves for a long time.
The upper end of described depression bar 2 is provided with the hand platform that cross sectional area is greater than depression bar 2 cross sectional areas.
The hand platform arranged is intended to the equipment operations staff when operation is of the present invention, increases equipment operations staff finger and area of contact of the present invention, the comfort level when being conducive to operator and operating.
Claims (5)
1. lubricant oil supplementary mechanism releasing pressure automatically control valve unit, it is characterized in that, comprise columned valve buckle body (1), discoidal spring block (3), spring (4), pull bar (5), rubber pad (7), rubber pad support block (8), relief hole (9), balancing orifice (10) and elastic membrane (11), the two ends of described pull bar (5) are fixedly connected with respectively spring block (3) and rubber pad support block (8), and spring block (3) is positioned at valve buckle body (1), rubber pad support block (8) is positioned at the outside, bottom of valve buckle body (1), pull bar (5) becomes Spielpassung with valve buckle body (1) wall, described elastic membrane (11) is the discoid of hollow, in elastic membrane (11), outer wall is fixedly connected with the inwall of valve buckle body (1) with the side of spring block (3) respectively, and spring block (3) and elastic membrane (11) are divided into epicoele and cavity of resorption two-part by valve buckle body (1), described spring (4) is positioned at cavity of resorption, and spring (4) is upper, lower end contacts with valve buckle body (1) lower wall with spring block (3) lower wall respectively, described rubber pad (7) is positioned between rubber pad support block (8) and valve buckle body (1) outer wall, described relief hole (9) is positioned on the cavity of resorption wall, described balancing orifice (10) is positioned on the epicoele wall.
2. lubricant oil supplementary mechanism releasing pressure automatically control valve unit according to claim 1, it is characterized in that, also comprise depression bar (2), described depression bar (2) part is positioned at epicoele, and an end of depression bar (2) is fixedly connected with spring block (3), depression bar (2) becomes Spielpassung with valve buckle body (1) wall, and on fitting surface, is provided with O type circle.
3. lubricant oil supplementary mechanism releasing pressure automatically control valve unit according to claim 2, it is characterized in that, described depression bar (2) and pull bar (5) are set to one, and be provided with outside thread on depression bar (2) and pull bar (5), described spring block (3) is provided with internal thread through hole, and described spring block (3) becomes screw-thread fit with described outside thread.
4. lubricant oil supplementary mechanism releasing pressure automatically control valve unit according to claim 1, is characterized in that, described valve buckle body (1) bottom is provided with outer lug boss (6), and the Spielpassung face of valve buckle body (1) and pull bar (5) is in outer lug boss (6) bottom.
5. according to the described lubricant oil supplementary mechanism of claim 2 or 3 releasing pressure automatically control valve unit, it is characterized in that, the upper end of described depression bar (2) is provided with the hand platform that cross sectional area is greater than depression bar (2) cross sectional area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103780547A CN103411005A (en) | 2013-08-27 | 2013-08-27 | Automatic decompression valve device of lubricating oil supplementing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103780547A CN103411005A (en) | 2013-08-27 | 2013-08-27 | Automatic decompression valve device of lubricating oil supplementing mechanism |
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| CN103411005A true CN103411005A (en) | 2013-11-27 |
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| CN2013103780547A Pending CN103411005A (en) | 2013-08-27 | 2013-08-27 | Automatic decompression valve device of lubricating oil supplementing mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669730A (en) * | 2022-04-05 | 2022-06-28 | 刘亚峰 | Precision mold with positioning function |
-
2013
- 2013-08-27 CN CN2013103780547A patent/CN103411005A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669730A (en) * | 2022-04-05 | 2022-06-28 | 刘亚峰 | Precision mold with positioning function |
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Application publication date: 20131127 |