CN201502499U - Linear reciprocating piston-type compressor - Google Patents
Linear reciprocating piston-type compressor Download PDFInfo
- Publication number
- CN201502499U CN201502499U CN2009201851053U CN200920185105U CN201502499U CN 201502499 U CN201502499 U CN 201502499U CN 2009201851053 U CN2009201851053 U CN 2009201851053U CN 200920185105 U CN200920185105 U CN 200920185105U CN 201502499 U CN201502499 U CN 201502499U
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- piston
- power transmission
- piston rod
- transmission portion
- bent axle
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Abstract
The utility model discloses a linear reciprocating piston-type compressor. A crankshaft and a force transmission part of a piston rod adopt the following connection ways: the crankshaft is sheathed by a sliding block, and the sliding block and the force transmission part are tightly pressed or pulled by a tensioned spring, a reed or a spring; alternatively, based on the connection, rolling bodies such as rolling needles, ball bearings and the like or other sliding bodies with low friction coefficient are arranged between the sliding block and the force transmission part; alternatively, the crankshaft is sheathed by a bearing, and the bearing and the force transmission part are tightly pressed or pulled by the tensioned spring, the reed or the spring; alternatively, the crankshaft is sheathed by the sliding block and the contacting surface of the sliding block and the force transmission part is provided with a guideway; and the force transmission part is arranged in the guideway and can reciprocate in the guideway. The linear reciprocating piston-type compressor has the advantages that the zero-clearance transmission is realized between the crankshaft and the piston rod, the equipment has small friction force, small vibration, small noise and exact and reliable transmission; multi-cylinder exhausting can be arranged when the piston-type compressor rotates by one circle, thus greatly improving the do-work efficiency of the motor; therefore, the linear reciprocating piston-type compressor is suitable for the application in the transmission structure of the piston-type compressor.
Description
Technical field:
The utility model belongs to the Compressor Technology field, refers in particular to a kind of linear reciprocating piston type compressor.
Background technique:
At present, most compressor, it all is bent axle rotation with the motor drives compressor, and then by bent axle again drivening rod promote the piston of compressor, perhaps bent axle drivening rod and piston integral body waves the acting of Piston Compression gas or liquid, the compressor of these structures is because bent axle is that bent axle is directly inserted in the attachment hole of connecting rod with being connected of connecting rod, the bent axle drivening rod is done the swing to-and-fro motion, its deficiency is: produce the side friction resistance during connecting rod swing to-and-fro motion, make the compressor power consumption increase, wear and tear and aggravate.The piston swing causes the sealability variation, and compression efficiency reduces, if reduce the then essential lengthening length of connecting rod of amplitude of fluctuation, it must cause overall dimensions to strengthen.
The model utility content:
The purpose of this utility model provides the accurate mechanical efficiency height of a kind of transmission, bent axle and slide block or bent axle and the transmission of piston rod zero clearance, noise is little, vibration is little linear reciprocating piston type compressor.
The purpose of this utility model is achieved in that
A kind of linear reciprocating piston type compressor, include motor, crankcase, bent axle, piston body, cylinder and intake and exhaust device, the main shaft of motor directly is connected with bent axle, one end of piston body is provided with piston portion, the other end is provided with the piston rod of band power transmission portion, be provided with the piston rod guide mechanism on the crankcase or between the power transmission portion of piston rod, be connected by following form between the power transmission portion of bent axle and piston body:
Be set with slide block on bent axle, the power transmission portion with slide block and piston rod compresses or strains by extension spring, reed or spring; Or
Be set with slide block on bent axle, the power transmission portion with slide block and piston rod compresses or strains by extension spring, reed or spring, is provided with the slide mass of needle roller or ball or other low coefficient of friction between the power transmission portion of slide block and piston rod; Or
Be with rolling bearing or sliding bearing or plating, spraying, surface treatment mode acquisition wearing layer on bent axle, the power transmission portion with bearing and piston rod compresses or strains by extension spring, reed or spring; Or
Be set with slide block on bent axle, on the surface of contact of the power transmission portion of slide block and piston rod guide rail be set, the power transmission portion of piston rod is installed in the guide rail, and can move back and forth in guide rail; Or
On bent axle, be set with the slide block in tape guide hole, be installed with the slide bar in the power transmission portion that is arranged on piston body in the pilot hole.
Above-mentioned bent axle and power transmission portion fit tightly, and its laminating type is:
Between the monosymmetric power transmission of bent axle portion, be provided with the extension spring or the reed of tension usefulness; Or
Between the power transmission portion of piston rod and crankcase, be provided with tension or compress the extension spring or the reed of usefulness; Or
In the monosymmetric power transmission of bent axle portion, pin is set, two power transmission portions is strained mutually or compress with spring or reed.
Be provided with the piston rod guide mechanism on the crankcase or between the power transmission portion of piston rod, its form is:
Being slip surface with the both sides of the link rod part of piston body matches with the chute that makes connecting rod shank do straight reciprocating motion that is provided with on the crankcase; Or
Match with the guide rail that makes connecting rod shank do straight reciprocating motion that is provided with on the flip sleeve that is provided with on the connecting rod shank and the crankcase; Or
Between the connecting rod shank of bent axle bilateral symmetry setting, be provided with the sliding pin that makes the both sides piston body in cylinder, do the connection both sides power transmission portion of straight reciprocating motion; Or
Guide rod is positioned on the crankcase pass the pilot hole of the power transmission portion on the piston rod along the piston motion direction after.
But above-mentioned piston portion, piston rod reach the cylinder external member multi-cylinder multiple row multi-angle distribution of cylinder supporting with it and intake and exhaust device and are provided with.
One end of above-mentioned piston body is provided with piston portion and is:
Piston rod and piston portion are monolithic construction; Or
Piston rod and piston portion are split-type structural, and piston rod is connected by bearing pin with piston portion.The outstanding compared to existing technology advantage of the utility model is:
1, motor main shaft of the present utility model directly is connected with bent axle, and transmission accurately and reliably;
2, the utility model directly is pressed on the power transmission portion of piston rod on the bent axle by extension spring, reed or spring, when occur the wearing and tearing back by the elastic force direct compensation of extension spring, reed or spring because of the gap of wearing and tearing formation, realized the zero clearance transmission, made the vibrations of equipment little, noise is little;
3, between power transmission portion of the present utility model and the slide block needle roller is set or on bent axle sheathed bearing, utilize bearing to contact power transmission with the power transmission portion of piston, make that the frictional force of transmission is little, shake little, noise is little;
4, guide rod of the present utility model can be eliminated the lateral force of bent axle motion to the power transmission portion formation of piston rod, reduces power consumption and component wear and vibrations and noise;
5, structure of the present utility model suits to use in the drive mechanism of piston compressor.
6, compressor of the present utility model can be provided with the multi-cylinder multi-angle and distributes mechanical efficiency is improved greatly.
Description of drawings:
Fig. 1 is embodiment's 1 an of the present utility model structure sectional view;
Fig. 2 is the structure sectional view of Fig. 1 middle guide;
Fig. 3 is embodiment's 2 an of the present utility model structure sectional view;
Fig. 4 is embodiment's 3 an of the present utility model structure sectional view;
Fig. 5 is embodiment's 4 an of the present utility model structure sectional view;
Fig. 6 is embodiment's 5 an of the present utility model structure sectional view;
Fig. 7 is embodiment's 6 an of the present utility model structure sectional view;
Fig. 8 is embodiment's 7 an of the present utility model structure sectional view;
Fig. 9 is embodiment's 8 an of the present utility model structure sectional view;
Figure 10 is embodiment's 9 an of the present utility model structure sectional view;
Figure 11 is embodiment's 10 an of the present utility model structure sectional view;
Figure 12 is embodiment's 11 an of the present utility model structure sectional view;
Figure 13 is embodiment's 12 an of the present utility model structure sectional view.
Figure 14 is embodiment's 13 an of the present utility model structure sectional view;
Figure 15 is embodiment's 14 an of the present utility model structure sectional view.
Embodiment:
Below in conjunction with drawings and the specific embodiments the utility model is further described:
Embodiment 1, referring to Fig. 1-2:
A kind of linear reciprocating piston type compressor, include motor 10, crankcase 40, bent axle 30, piston rod 201, cylinder and intake and exhaust device, the main shaft 102 of motor 10 directly is connected with bent axle 30, one end of piston rod 20 is provided with piston portion 202, the other end is provided with the piston rod 20 of band power transmission portion 201, the power transmission portion 201 of piston rod 20 is connected with the follower rail 501 of slide block 50, the middle part of slide block 50 is provided with the bearing hole 502 that cooperates with bent axle 30, bent axle 30 is arranged in the bearing hole 502 of slide block 50, above-mentioned crankcase 40 is provided with the motion guide structure 401 of piston rod 20, above-mentioned piston portion 202, piston rod 20 and cylinder and the intake and exhaust device supporting with it have two covers, bilateral symmetry setting at motor main shaft 101, certain above-mentioned piston portion, but piston rod reaches the cylinder external member multi-cylinder multiple row multi-angle distribution of cylinder supporting with it and intake and exhaust device and is provided with, motor 10 work, driving bent axle 30 rotates, bent axle 30 rotates in the bearing hole 502 of slide block 50, driving slide block 50 rotates, the power transmission portion 201 of piston rod 20 slides in the guide rail 501 of slide block 50 and does left and right sides to-and-fro motion, and then pressurized gas or liquid acting, intake and exhaust or liquid mechanism and heat radiation, lubricating structure is identical with conventional compressor, no longer describes in detail herein.
Embodiment 2, referring to Fig. 3:
Embodiment 2 structure and embodiment's 1 structure is basic identical, difference is: be set with slide block 50 on bent axle 30, between the power transmission portion 201 of piston rod 20 and the crankcase 40 on piston rod 20 moving direction, be provided with spring 60, by spring 60 the slide block 50 power transmission portion 201 with piston rod 20 is compressed, remain zero distance between the power transmission portion 201 that makes piston rod 20 and the slide block 50 and contact.
Embodiment 3: referring to Fig. 4 and Fig. 3:
Embodiment 3 structure and embodiment's 2 structure is basic identical, and difference is: be provided with the needle roller 70 of some power of reducing friction between the power transmission portion 201 of slide block 50 and piston rod 20, needle roller 70 can reduce the frictional force between slide block 50 and the power transmission portion 201.
Embodiment 4: referring to Fig. 5 and Fig. 3:
Embodiment 4 structure and embodiment's 2 structure is basic identical, difference is: between the power transmission portion 201 of piston rod 20 and the crankcase 40 on piston rod 20 moving direction spring 60 is not set, but be stuck in the clamping position 2011 of the power transmission portion 201 of the piston rod 20 that the motor main shaft bilateral symmetry is provided with the inserted part 901 of jump ring 90, power transmission portion is pressed on the slide block 50.
Embodiment 5: referring to Fig. 6 and Fig. 5:
Embodiment 5 structure and embodiment's 4 structure is basic identical, and difference is: be provided with the needle roller 70 of some power of reducing friction between the power transmission portion 201 of slide block 50 and piston rod 20, needle roller 70 can reduce the frictional force between slide block 50 and the power transmission portion 201.
Embodiment 6: referring to Fig. 7 and Fig. 5:
Embodiment 6 structure and embodiment's 4 structure is basic identical, and difference is: on bent axle 30, be arranged with the bearing 80 that directly contacts power transmission with the power transmission portion 201 of piston 20, and without the slide block among Fig. 5 50.
Embodiment 7: referring to Fig. 8 and Fig. 3:
Embodiment 7 structure and embodiment's 2 structure is basic identical, difference is: after the power transmission portion 201 usefulness guide rods 95 of two piston rods 20 that slide block 50 both sides are relative were pressed the moving direction connection of piston rod 20, spring 60 was arranged between the nut 951 and power transmission portion 201 of fixed guide bar 95; Or spring 60 is arranged between guide bar head and the power transmission portion 201, contact so that remain zero distance between the power transmission portion 201 of piston rod 20 and the slide block 50.
Embodiment 8: referring to Fig. 9 and Fig. 8:
Embodiment 8 structure and embodiment's 7 structure is basic identical, difference is: be positioned on the crankcase 40 after the power transmission portion 201 usefulness guide rods 95 of two piston rods 20 that slide block 50 both sides are relative pass by the moving direction of piston rod 20, spring 60 is arranged between the power transmission portion 201 of two piston rods 20, remaining zero distance between the power transmission portion 201 that not only makes piston rod 20 and the slide block 50 contacts, and, but 30 motions of guide rod 95 balance crankshafts reduce power consumption and component wear and vibrations and noise to the lateral force of power transmission portion 201 formation of piston rod 20.
Embodiment 9: referring to Figure 10 and Fig. 9:
Embodiment 9 structure and embodiment's 8 structure is basic identical, and difference is: on bent axle 30, directly be arranged with bearing 80, and without the slide block on the embodiment 8 50.
Embodiment 10: referring to Fig. 7 and Fig. 3:
Embodiment 11: referring to Figure 12 and Fig. 9:
Embodiment 11 structure and embodiment's 8 structure is basic identical, difference is: the spring 60 among the embodiment 8 is not set on guide rod 95, on bent axle 30, be set with the slide block 80 in tape guide hole 801, be installed with the slide bar 96 in the power transmission portion 201 that is arranged on piston body in the pilot hole 801.
Embodiment 12: referring to Figure 13 and Figure 12:
Embodiment 12 structure and embodiment's 11 structure is basic identical, difference is: the guide rod 95 between the power transmission portion 201 of the piston body of bent axle 30 both sides is provided with spring 60, can guarantee between pilot hole 801 on the slide block 80 and the slide bar 96 in the power transmission portion 201 owing to after the gap appears in friction, eliminate the influence that cause transmission in these gaps by spring 60.
Embodiment 13: referring to Figure 14 and Fig. 3:
Embodiment 13 structure and embodiment's 2 structure is basic identical, and difference is: the described piston portion 202 of 11 usefulness of embodiment, one cover, piston rod 20 and cylinder and the intake and exhaust device supporting with it.
Embodiment 14: referring to Figure 15 and Figure 10:
Embodiment 14 structure and embodiment's 9 structure is basic identical, and difference is: the described piston portion 202 of 12 usefulness of embodiment, one cover, piston rod 20 and cylinder and the intake and exhaust device supporting with it.
Above-mentioned piston rod movement guide structure: comprise that guide rod among the embodiment 7,8,9,10,12 forms the motion guide to piston rod; Or the crankcase among the embodiment 1-6,11 40 is provided with guide rail that piston rod 20 moves and forms motion guide to piston rod in crankcase 40, reduce the lateral force of the rotation of bent axle 30, reduce power consumption and component wear and vibrations and noise power transmission portion 201 formation of piston rod 20.
But the piston portion among the foregoing description 1-14, piston rod reach the cylinder external member multi-cylinder multiple row multi-angle distribution of independent acting such as cylinder supporting with it and intake and exhaust device and are provided with.
One end of the piston body among the foregoing description 1-14 is provided with piston portion 202: piston rod 20 is monolithic construction with piston portion 202; Or piston rod 20 is split-type structural with piston portion 202, is piston rod 20 and piston portion 202 are connected by bearing pin.
The foregoing description only is one of preferred embodiment of the present utility model; be not to limit practical range of the present utility model with this; so: all equivalences of doing according to shape of the present utility model, structure, principle change, and all should be covered by within the protection domain of the present utility model.
Claims (5)
1. linear reciprocating piston type compressor, include motor, crankcase, bent axle, piston body, cylinder and intake and exhaust device, the main shaft of motor directly is connected with bent axle, one end of piston body is provided with piston portion, the other end is provided with the piston rod of band power transmission portion, it is characterized in that: be provided with the piston rod guide mechanism on the crankcase or between the power transmission portion of piston rod, be connected by following form between the power transmission portion of bent axle and piston body:
Be set with slide block on bent axle, the power transmission portion with slide block and piston rod compresses or strains by extension spring, reed or spring; Or
Be set with slide block on bent axle, the power transmission portion with slide block and piston rod compresses or strains by extension spring, reed or spring, is provided with the slide mass of needle roller or ball or other low coefficient of friction between the power transmission portion of slide block and piston rod; Or
Be with rolling bearing or sliding bearing or plating, spraying, surface treatment mode acquisition wearing layer on bent axle, the power transmission portion with bearing and piston rod compresses or strains by extension spring, reed or spring; Or
Be set with slide block on bent axle, on the surface of contact of the power transmission portion of slide block and piston rod guide rail be set, the power transmission portion of piston rod is installed in the guide rail, and can move back and forth in guide rail; Or
On bent axle, be set with the slide block in tape guide hole, be installed with the slide bar in the power transmission portion that is arranged on piston body in the pilot hole.
2. a kind of linear reciprocating piston type compressor according to claim 1 is characterized in that, described bent axle and power transmission portion fit tightly, and its laminating type is:
Between the monosymmetric power transmission of bent axle portion, be provided with the extension spring or the reed of tension usefulness; Or
Between the power transmission portion of piston rod and crankcase, be provided with tension or compress the extension spring or the reed of usefulness; Or
In the monosymmetric power transmission of bent axle portion, pin is set, two power transmission portions is strained mutually or compress with spring or reed.
3. a kind of linear reciprocating piston type compressor according to claim 1 is characterized in that: be provided with the piston rod guide mechanism on the crankcase or between the power transmission portion of piston rod, its form is:
Being slip surface with the both sides of the link rod part of piston body matches with the chute that makes connecting rod shank do straight reciprocating motion that is provided with on the crankcase; Or
Match with the guide rail that makes connecting rod shank do straight reciprocating motion that is provided with on the flip sleeve that is provided with on the connecting rod shank and the crankcase; Or
Between the connecting rod shank of bent axle bilateral symmetry setting, be provided with the sliding pin that makes the both sides piston body in cylinder, do the connection both sides power transmission portion of straight reciprocating motion; Or
Guide rod is positioned on the crankcase pass the pilot hole of the power transmission portion on the piston rod along the piston motion direction after.
4. according to claim 1 or 2 or 3 described linear reciprocating piston type compressors, it is characterized in that: setting but the cylinder external member multi-cylinder multiple row multi-angle of described piston portion, piston rod and the cylinder supporting with it and intake and exhaust device distributes.
5. linear reciprocating piston type compressor according to claim 1 is characterized in that: an end of described piston body is provided with piston portion and is:
Piston rod and piston portion are monolithic construction; Or
Piston rod and piston portion are split-type structural, and piston rod is connected by bearing pin with piston portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201851053U CN201502499U (en) | 2009-05-20 | 2009-05-20 | Linear reciprocating piston-type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201851053U CN201502499U (en) | 2009-05-20 | 2009-05-20 | Linear reciprocating piston-type compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201502499U true CN201502499U (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201851053U Expired - Fee Related CN201502499U (en) | 2009-05-20 | 2009-05-20 | Linear reciprocating piston-type compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201502499U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560968A (en) * | 2009-05-20 | 2009-10-21 | 浙江鸿友压缩机制造有限公司 | Straight-line reciprocating piston type compressor |
| CN102734622A (en) * | 2011-03-31 | 2012-10-17 | 北京中冶华润科技发展有限公司 | A plunger pump |
| CN102777343A (en) * | 2012-06-20 | 2012-11-14 | 杭州海胜制冷设备有限公司 | Single-drive multi-cylinder compressor structure |
| CN104295467A (en) * | 2014-09-26 | 2015-01-21 | 钟建新 | Reciprocating compressor |
| CN108266349A (en) * | 2018-04-04 | 2018-07-10 | 台州市星亚科技股份有限公司 | A kind of air compressor machine compression mechanism |
| CN109199264A (en) * | 2018-11-08 | 2019-01-15 | 钟发财 | A kind of multifunctional wiping floor-washing robot device |
-
2009
- 2009-05-20 CN CN2009201851053U patent/CN201502499U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560968A (en) * | 2009-05-20 | 2009-10-21 | 浙江鸿友压缩机制造有限公司 | Straight-line reciprocating piston type compressor |
| CN102734622A (en) * | 2011-03-31 | 2012-10-17 | 北京中冶华润科技发展有限公司 | A plunger pump |
| CN102734622B (en) * | 2011-03-31 | 2016-02-03 | 北京中冶华润科技发展有限公司 | Plunger pump |
| CN102777343A (en) * | 2012-06-20 | 2012-11-14 | 杭州海胜制冷设备有限公司 | Single-drive multi-cylinder compressor structure |
| CN102777343B (en) * | 2012-06-20 | 2015-03-04 | 杭州海胜制冷设备有限公司 | Single-drive multi-cylinder compressor structure |
| CN104295467A (en) * | 2014-09-26 | 2015-01-21 | 钟建新 | Reciprocating compressor |
| CN108266349A (en) * | 2018-04-04 | 2018-07-10 | 台州市星亚科技股份有限公司 | A kind of air compressor machine compression mechanism |
| CN109199264A (en) * | 2018-11-08 | 2019-01-15 | 钟发财 | A kind of multifunctional wiping floor-washing robot device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20120520 |