CN105757041A - Compression mechanism and pin shaft thereof - Google Patents
Compression mechanism and pin shaft thereof Download PDFInfo
- Publication number
- CN105757041A CN105757041A CN201610232216.XA CN201610232216A CN105757041A CN 105757041 A CN105757041 A CN 105757041A CN 201610232216 A CN201610232216 A CN 201610232216A CN 105757041 A CN105757041 A CN 105757041A
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- China
- Prior art keywords
- pivot pin
- group
- perforation
- blind hole
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000006835 compression Effects 0.000 title claims abstract description 32
- 238000007906 compression Methods 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Check Valves (AREA)
Abstract
The invention relates to a compression mechanism. The compression mechanism comprises a cylinder cover, a cylinder body, a connecting rod, a plunger and a shaft pin, wherein the connecting rod is inserted into an inner cavity of the cylinder body from the outside and is connected with an outer cam crankshaft; the plunger is pivoted with the end part of the connecting rod; the shaft pin is arranged in a communicating hole of the cylinder cover and the cylinder body from the outside; a blind hole is formed in the pin shaft; the plunger is movably arranged in the blind hole. The compression mechanism has the advantages that because the pin shaft is integrally installed together with a sealing ring, a sealing part and a guide sleeve, when the compression mechanism is installed, only the sealing ring, the sealing part and the guide sleeve on the pin shaft are inserted into the cylinder body and the cylinder cover together with the pin shaft from the side surface of the cylinder cover, so that the quick installation is realized through thread connection or buckle connection; in the detachment process, the pin shaft is unscrewed through the thread connection or buckle connection, so that the quick detachment is realized.
Description
Technical field
The invention belongs to mechanical equipment technical field, be specifically related to a kind of compression mechanism and pivot pin thereof.
Background technology
Compression mechanism in the market, when compressing mechanism and damaging or need renewal part, owing to dismounting difficulty so that workman need to spend substantial amounts of energy to go to process, and wastes substantial amounts of manpower.
Summary of the invention
It is an object of the invention to provide one and compress mechanism, it is possible to realize fast assembling-disassembling, simultaneously when compressing mechanism's work and being abnormal, when especially compressing in-house sealing ring or sealing member damage, it is achieved Quick overhaul.
The technical solution of the present invention: a kind of compression mechanism, including cylinder cap, cylinder body, insert inner chamber of cylinder block and the plunger with the connecting rod of external cam bent axle one, interlinking lever end pivot joint from outside, also include pivot pin, described pivot pin is fitted in the hole that cylinder cap is through with cylinder body, being provided with blind hole inside described pivot pin, described plunger loads in described blind hole movably.
Further, it is close on the pivot pin of described pivot pin blind-hole bottom to offer and intersects the first group of perforation connected with described blind hole；The pivot pin of contiguous described pivot pin blind hole opening offers and intersects the second group of perforation connected with described blind hole；Position between described first group of perforation and described second group of perforation of pivot pin offers and intersects the 3rd group of perforation connected with described blind hole；The described 3rd group both sides and be provided with sealing ring between pivot pin outer wall and cylinder cap of boring a hole, between described second group of perforation and pivot pin blind hole opening and between pivot pin outer wall and cylinder body, it is provided with sealing ring；The described 3rd group both sides and be provided with sealing ring between described pivot pin inwall and the outer wall of plunger of boring a hole, between described second group of perforation and pivot pin blind hole opening and between described pivot pin inwall and the outer wall of plunger, it is provided with sealing ring.
Preferably, described pivot pin is made up of the first axle that is mutually threaded or that snap connection and the second axle.
Further, between described pivot pin inwall and the outer wall of plunger, it is provided with fairlead.
Preferably, for threadeding or snapping connection between described pivot pin with described cylinder cap.
Preferably, described threaded be on pivot pin end face, be provided with hole, screw screws in the screw of described hole and described cylinder cap, and described pivot pin is fixed on described cylinder cap.
Further, it is close between cylinder head bore inwall and the outer wall of described pivot pin of cylinder cap opening and is provided with sealing member.
Further, described cylinder cap is provided with the first passage and second channel that are connected with described first group of perforation；Described first passage is provided with the first check valve, described second channel is provided with the second check valve, described cylinder cap is additionally provided with the third channel for connecting described 3rd group of perforation and described first passage, and described first check valve is arranged on the passage between described first passage and described third channel river conjunction and described first group of perforation.
Further, described pivot pin bottom is provided with the first passage and second channel that are connected with described blind hole；Described first passage is provided with the first check valve, described second channel is provided with the second check valve, described cylinder cap is provided with the third channel for connecting described 3rd group of perforation and described first passage, and described first check valve is arranged on the passage between described first passage and described third channel river conjunction and described blind hole.
A kind of compression mechanism, including casing, inserting chassis cavity and the plunger with the connecting rod of external cam bent axle one, interlinking lever end pivot joint from outside, also include pivot pin, described pivot pin is fitted in the hole of casing, being provided with blind hole inside described pivot pin, described plunger loads in described blind hole movably；The pivot pin of contiguous described pivot pin blind-hole bottom offers and intersects the first group of perforation connected with described blind hole；The pivot pin of contiguous described pivot pin blind hole opening offers and intersects the second group of perforation connected with described blind hole；Position between described first group of perforation and described second group of perforation of pivot pin offers and intersects the 3rd group of perforation connected with described blind hole；The described 3rd group both sides and be provided with sealing ring between pivot pin outer wall and casing of boring a hole, between described second group of perforation and pivot pin blind hole opening and between pivot pin outer wall and casing, it is provided with sealing ring；The described 3rd group both sides and be provided with sealing ring between described pivot pin inwall and the outer wall of plunger of boring a hole, between described second group of perforation and pivot pin blind hole opening and between described pivot pin inwall and the outer wall of plunger, it is provided with sealing ring；Described pivot pin is made up of the first mutually threaded axle and the second axle, it is provided with fairlead between described pivot pin inwall and the outer wall of plunger, for threadeding between described pivot pin with described casing, described threaded be provided with hole on pivot pin end face, screw screws in the screw of described hole and described casing, described pivot pin is fixed on described casing, being provided with sealing member between hole inwall and the outer wall of described pivot pin of contiguous casing opening, described casing is provided with the first passage and second channel that are connected with described first perforation；Described first passage is provided with the first check valve, described second channel is provided with the second check valve, described casing is additionally provided with the third channel for connecting described 3rd perforation and described first passage, and described first check valve is arranged on the passage between described first passage and described third channel river conjunction and described first perforation, described casing is provided with and the described 3rd group of fourth lane being connected of boring a hole.
Another technical solution of the present invention: this pivot pin, it is characterized in that, is provided with blind hole in described pivot pin；The pivot pin of contiguous described pivot pin blind-hole bottom offers and intersects the first group of perforation connected with described blind hole；The pivot pin of contiguous described pivot pin blind hole opening offers and intersects the second group of perforation connected with described blind hole；Position between described first group of perforation and described second group of perforation of pivot pin offers and intersects the 3rd group of perforation connected with described blind hole；The described 3rd group both sides and be provided with sealing ring between pivot pin outer wall and cylinder cap of boring a hole, between described second group of perforation and pivot pin blind hole opening and between pivot pin outer wall and cylinder body, it is provided with sealing ring；The described 3rd group both sides and be provided with sealing ring between described pivot pin inwall and the outer wall of plunger of boring a hole, between described second group of perforation and pivot pin blind hole opening and between described pivot pin inwall and the outer wall of plunger, it is provided with sealing ring.
Compared with prior art, beneficial effects of the present invention: due to the fact that pivot pin is installed with sealing ring, sealing member and fairlead integral type, when compressing mechanism and installing, only need to be installed on the sealing ring of pivot pin, sealing member and fairlead to insert cylinder body and cylinder cap from cylinder cap side with pivot pin, and be threaded connection or snap connection and can realize Fast Installation；Meanwhile, during dismounting, also only pivot pin need to be threaded connection or snaps connection counter moving back, it is achieved quickly dismantle.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the first compression structural scheme of mechanism of the present invention；
Fig. 2 is the second of the present invention compression structural scheme of mechanism；
Fig. 3 is the third compression structural scheme of mechanism of the present invention；
Fig. 4 is the present invention the 4th kind compression structural scheme of mechanism；
Fig. 5 is the present invention the 5th kind compression structural scheme of mechanism；
Fig. 6 is the present invention the 6th kind compression structural scheme of mechanism；
Fig. 7 is the present invention the 7th kind compression structural scheme of mechanism；
Fig. 8 is the present invention the 8th kind compression structural scheme of mechanism.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
It should be noted that be referred to as " being fixed on " or " being arranged at " another element when element, it can directly on another element or may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can be directly to another element or may be simultaneously present centering elements.
Also, it should be noted the orientation term such as left and right, upper and lower in the embodiment of the present invention, be only relative concept or with the normal operating condition of product for reference each other, and should not be regarded as have restrictive.
The embodiment of the present invention one, as shown in Figure 1, a kind of compression mechanism, including cylinder cap 1, cylinder body 2, insert cylinder body 2 inner chamber and the plunger 5 with the connecting rod 4 of external cam bent axle 3 one, connecting rod 4 end pivot joint from outside, described compression mechanism also includes pivot pin 6, described pivot pin 6 is fitted in the hole that cylinder cap 1 is through with cylinder body 2, and described pivot pin 6 is internal is provided with blind hole 610, and described plunger 5 loads in described blind hole 610 movably；The pivot pin 6 of contiguous described pivot pin blind hole 610 bottom offers intersects with described blind hole 610 first group connected bore a hole 601；The pivot pin 6 of contiguous described pivot pin blind hole 610 opening offers intersects with described blind hole 610 second group connected bore a hole 602；Position between described first group of perforation 601 and described second group of perforation 602 of pivot pin 6 offer intersects with described blind hole 610 connect the 3rd group bore a hole 603；Described 3rd group 603 both sides and be provided with sealing ring 7 between pivot pin 6 outer wall and cylinder cap 1 of boring a hole, bore a hole at described second group and between 602 and pivot pin blind hole 610 opening and between pivot pin 6 outer wall and cylinder body 2, be provided with sealing ring 7；Described 3rd group 603 both sides and be provided with sealing ring 7 between described pivot pin 6 inwall and the outer wall of plunger 5 of boring a hole, bore a hole at described second group and be provided with sealing ring 7 between 602 and pivot pin blind hole 610 opening and between described pivot pin 6 inwall and the outer wall of plunger 5.Sealing ring 7 is respectively arranged in described first concave ring groove 611 and described 7th concave ring groove 617, described second concave ring groove 612 and described 8th concave ring groove 618, described 3rd concave ring groove 613 and described 9th concave ring groove 619, described 4th concave ring groove 614, described 5th concave ring groove 615 and described 6th concave ring groove 616.It is provided with fairlead 8 between described pivot pin inwall and the outer wall of plunger.It is provided with sealing member 9 between cylinder cap 1 hole inwall and the outer wall of described pivot pin 6 of contiguous cylinder cap opening.Described cylinder cap 1 is provided with 601 first passage 10 being connected and second channels 11 of boring a hole with described first group；Described first passage 10 is provided with the first check valve, described second channel 11 is provided with the second check valve, described cylinder cap 1 is additionally provided with the third channel 12 for connecting described 3rd group of perforation 603 and described first passage 10, and described first check valve is arranged on the passage between described first passage 10 and described third channel 12 river conjunction and described first group of perforation 601.
Described pivot pin 6 is made up of the first mutually threaded axle and the second axle.
For threadeding between described pivot pin 6 with described cylinder cap 1；Described threaded be on pivot pin end face, be provided with hole, screw screws in the screw of described hole and described cylinder cap 1, and described pivot pin 6 is fixed on described cylinder cap 1.
The embodiment of the present invention two, as in figure 2 it is shown, with embodiment one the difference is that, described pivot pin 6 is made up of three sections of axles, by screw thread or snap connection between each section of axle.
The embodiment of the present invention three, as shown in Figure 3, a kind of compression mechanism, including casing 100, insert casing 100 inner chamber and the plunger 5 with the connecting rod 4 of external cam bent axle 3 one, connecting rod 4 end pivot joint from outside, also include pivot pin 6, described pivot pin 6 is fitted in the hole of casing 100, and described pivot pin 6 is internal is provided with blind hole 610, and described plunger 5 loads in described blind hole 610 movably；The pivot pin 6 of contiguous described pivot pin blind hole 610 bottom offers intersects with described blind hole 610 first group connected bore a hole 601；The pivot pin 6 of contiguous described pivot pin blind hole 610 opening offers intersects with described blind hole 610 second group connected bore a hole 602；Position between described first group of perforation 601 and described second group of perforation 602 of pivot pin 6 offer intersects with described blind hole 610 connect the 3rd group bore a hole 603；Described 3rd group 603 both sides and be provided with sealing ring between pivot pin 6 outer wall and casing 100 of boring a hole, bore a hole at described second group and be provided with sealing ring between 602 and pivot pin blind hole 610 opening and between pivot pin 6 outer wall and casing 100；Described 3rd group 603 both sides and be provided with sealing ring between described pivot pin 6 inwall and the outer wall of plunger 5 of boring a hole, bore a hole at described second group and be provided with sealing ring between 602 and pivot pin blind hole 610 opening and between described pivot pin 6 inwall and the outer wall of plunger 5；Described pivot pin 6 is made up of the first mutually threaded axle and the second axle, it is provided with fairlead 8 between described pivot pin 6 inwall and the outer wall of plunger 5, for threadeding between described pivot pin 6 with described casing 100, described threaded be provided with hole on pivot pin 6 end face, screw screws in the screw of described hole and described casing 100, described pivot pin 6 is fixed on described casing 100, it is provided with sealing member 9 between hole inwall and the outer wall of described pivot pin 6 of contiguous casing 100 opening, described casing 100 is provided with 601 first passage 10 being connected and second channels 11 of boring a hole with described first group；Described first passage 10 is provided with the first check valve, described second channel 11 is provided with the second check valve, described casing 100 is additionally provided with the third channel 12 for connecting described 3rd group of perforation 603 and described first passage 10, and described first check valve is arranged on the passage between described first passage 10 and described third channel 12 river conjunction and described first group of perforation 601, described casing 100 is provided with 603 fourth lanes 13 being connected of boring a hole with described 3rd group.
The embodiment of the present invention four, as shown in Figure 4, with embodiment three the difference is that, described pivot pin 6 is made up of three sections of axles, by screw thread or snap connection between each section of axle.
The embodiment of the present invention five, as it is shown in figure 5, with embodiment one the difference is that, the water inlet place of described first passage 10 and second channel 11 or exit are arranged at pivot pin 6 and insert cylinder cap 1 side.
The embodiment of the present invention six, as shown in Figure 6, with embodiment two the difference is that, the water inlet place of described first passage 10 and second channel 11 or exit are arranged at pivot pin 6 and insert cylinder cap 1 side.
The embodiment of the present invention seven, as it is shown in fig. 7, with embodiment one the difference is that, described pivot pin 6 bottom is provided with the first passage 10 and second channel 11 that are connected with described blind hole 610；Described first passage 10 is provided with the first check valve, described second channel 11 is provided with the second check valve, described cylinder cap 1 is provided with the third channel 12 for connecting described 3rd group of perforation 603 and described first passage 10, and described first check valve is arranged on the passage between described first passage 10 and described third channel 12 river conjunction and described blind hole 610；Described first check valve and described second check valve are arranged on described pivot pin bottom, and remove described first group of perforation 601.
The embodiment of the present invention eight, as shown in Figure 8, with embodiment seven the difference is that, described first check valve and described second check valve be arranged at compression mechanism outside.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of pivot pin, it is provided with blind hole in described pivot pin 6；The pivot pin 6 of contiguous described pivot pin blind hole 610 bottom offers intersects with described blind hole 610 first group connected bore a hole 601；The pivot pin 6 of contiguous described pivot pin blind hole 610 opening offers intersects with described blind hole 610 second group connected bore a hole 602；Position between described first group of perforation 601 and described second group of perforation 602 of pivot pin 6 offer intersects with described blind hole 610 connect the 3rd group bore a hole 603；Described 3rd group 603 both sides and be provided with sealing ring 7 between pivot pin 6 outer wall and cylinder cap 1 of boring a hole, bore a hole at described second group and between 602 and pivot pin blind hole 610 opening and between pivot pin 6 outer wall and cylinder body 2, be provided with sealing ring 7；Described 3rd group 603 both sides and be provided with sealing ring 7 between described pivot pin 6 inwall and the outer wall of plunger 5 of boring a hole, bore a hole at described second group and be provided with sealing ring 7 between 602 and pivot pin blind hole 610 opening and between described pivot pin 6 inwall and the outer wall of plunger 5.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement or improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (11)
1. a compression mechanism, including cylinder cap, cylinder body, insert inner chamber of cylinder block and the plunger with the connecting rod of external cam bent axle one, interlinking lever end pivot joint from outside, it is characterized in that, also include pivot pin, described pivot pin is fitted in the hole that cylinder cap is through with cylinder body, being provided with blind hole inside described pivot pin, described plunger loads in described blind hole movably.
2. compression mechanism according to claim 1, it is characterised in that offer on the pivot pin of contiguous described pivot pin blind-hole bottom and intersect the first group of perforation connected with described blind hole；The pivot pin of contiguous described pivot pin blind hole opening offers and intersects the second group of perforation connected with described blind hole；Position between described first group of perforation and described second group of perforation of pivot pin offers and intersects the 3rd group of perforation connected with described blind hole；The described 3rd group both sides and be provided with sealing ring between pivot pin outer wall and cylinder cap of boring a hole, between described second group of perforation and pivot pin blind hole opening and between pivot pin outer wall and cylinder body, it is provided with sealing ring；The described 3rd group both sides and be provided with sealing ring between described pivot pin inwall and the outer wall of plunger of boring a hole, between described second group of perforation and pivot pin blind hole opening and between described pivot pin inwall and the outer wall of plunger, it is provided with sealing ring.
3. compression mechanism according to claim 2, it is characterised in that described pivot pin is made up of the first axle that is mutually threaded or that snap connection and the second axle.
4. compression mechanism according to claim 1, it is characterised in that be provided with fairlead between described pivot pin inwall and the outer wall of plunger.
5. compression mechanism according to claim 1, it is characterised in that for threadeding or snapping connection between described pivot pin with described cylinder cap.
6. compression mechanism according to claim 5, it is characterised in that described threaded be on pivot pin end face, be provided with hole, screw screws in the screw of described hole and described cylinder cap, and described pivot pin is fixed on described cylinder cap.
7. compression mechanism according to claim 1, it is characterised in that be provided with sealing member between cylinder head bore inwall and the outer wall of described pivot pin of contiguous cylinder cap opening.
8. compression mechanism according to claim 1, it is characterised in that described cylinder cap is provided with the first passage and second channel that are connected with described first group of perforation；Described first passage is provided with the first check valve, described second channel is provided with the second check valve, described cylinder cap is additionally provided with the third channel for connecting described 3rd group of perforation and described first passage, and described first check valve is arranged on the passage between described first passage and described third channel river conjunction and described first group of perforation.
9. compression mechanism according to claim 1, it is characterised in that described pivot pin bottom is provided with the first passage and second channel that are connected with described blind hole；Described first passage is provided with the first check valve, described second channel is provided with the second check valve, described cylinder cap is provided with the third channel for connecting described 3rd group of perforation and described first passage, and described first check valve is arranged on the passage between described first passage and described third channel river conjunction and described blind hole.
10. a compression mechanism, including casing, insert chassis cavity and the plunger with the connecting rod of external cam bent axle one, interlinking lever end pivot joint from outside, it is characterized in that, also include pivot pin, described pivot pin is fitted in the hole of casing, being provided with blind hole inside described pivot pin, described plunger loads in described blind hole movably；The pivot pin of contiguous described pivot pin blind-hole bottom offers and intersects the first group of perforation connected with described blind hole；The pivot pin of contiguous described pivot pin blind hole opening offers and intersects the second group of perforation connected with described blind hole；Position between described first group of perforation and described second group of perforation of pivot pin offers and intersects the 3rd group of perforation connected with described blind hole；The described 3rd group both sides and be provided with sealing ring between pivot pin outer wall and casing of boring a hole, between described second group of perforation and pivot pin blind hole opening and between pivot pin outer wall and casing, it is provided with sealing ring；The described 3rd group both sides and be provided with sealing ring between described pivot pin inwall and the outer wall of plunger of boring a hole, between described second group of perforation and pivot pin blind hole opening and between described pivot pin inwall and the outer wall of plunger, it is provided with sealing ring；Described pivot pin is made up of the first mutually threaded axle and the second axle, it is provided with fairlead between described pivot pin inwall and the outer wall of plunger, for threadeding between described pivot pin with described casing, described threaded be provided with hole on pivot pin end face, screw screws in the screw of described hole and described casing, described pivot pin is fixed on described casing, being provided with sealing member between hole inwall and the outer wall of described pivot pin of contiguous casing opening, described casing is provided with the first passage and second channel that are connected with described first perforation；Described first passage is provided with the first check valve, described second channel is provided with the second check valve, described casing is additionally provided with the third channel for connecting described 3rd perforation and described first passage, and described first check valve is arranged on the passage between described first passage and described third channel river conjunction and described first perforation, described casing is provided with and the described 3rd group of fourth lane being connected of boring a hole.
11. a pivot pin, it is characterised in that be provided with blind hole in described pivot pin；The pivot pin of contiguous described pivot pin blind-hole bottom offers and intersects the first group of perforation connected with described blind hole；The pivot pin of contiguous described pivot pin blind hole opening offers and intersects the second group of perforation connected with described blind hole；Position between described first group of perforation and described second group of perforation of pivot pin offers and intersects the 3rd group of perforation connected with described blind hole；The described 3rd group both sides and be provided with sealing ring between pivot pin outer wall and cylinder cap of boring a hole, between described second group of perforation and pivot pin blind hole opening and between pivot pin outer wall and cylinder body, it is provided with sealing ring；The described 3rd group both sides and be provided with sealing ring between described pivot pin inwall and the outer wall of plunger of boring a hole, between described second group of perforation and pivot pin blind hole opening and between described pivot pin inwall and the outer wall of plunger, it is provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610232216.XA CN105757041B (en) | 2016-04-14 | 2016-04-14 | Compression mechanism and its pivot pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610232216.XA CN105757041B (en) | 2016-04-14 | 2016-04-14 | Compression mechanism and its pivot pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105757041A true CN105757041A (en) | 2016-07-13 |
| CN105757041B CN105757041B (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610232216.XA Active CN105757041B (en) | 2016-04-14 | 2016-04-14 | Compression mechanism and its pivot pin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379775A (en) * | 2020-02-22 | 2020-07-07 | 襄阳永力通机械有限公司 | Fixed cover of round pin axle that structure is firm |
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| CN203532183U (en) * | 2013-09-25 | 2014-04-09 | 杨柳 | Plunger pump with functions of air compressor |
| CN203978748U (en) * | 2014-06-18 | 2014-12-03 | 浙江强盛压缩机制造有限公司 | A kind of natural gas supply sub-station compressor |
| CN204627915U (en) * | 2015-03-28 | 2015-09-09 | 孙万春 | The drive unit of reciprocating pump or compressor and high thrust opposed type reciprocating pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379775A (en) * | 2020-02-22 | 2020-07-07 | 襄阳永力通机械有限公司 | Fixed cover of round pin axle that structure is firm |
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| CN105757041B (en) | 2018-01-02 |
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