CN207049304U - A kind of closed reciprocating rotating engine - Google Patents
A kind of closed reciprocating rotating engine Download PDFInfo
- Publication number
- CN207049304U CN207049304U CN201720651031.2U CN201720651031U CN207049304U CN 207049304 U CN207049304 U CN 207049304U CN 201720651031 U CN201720651031 U CN 201720651031U CN 207049304 U CN207049304 U CN 207049304U
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- elastic body
- shaft
- flange
- leading
- clamping device
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- 238000007789 sealing Methods 0.000 claims abstract description 27
- 229920001971 elastomer Polymers 0.000 claims abstract description 16
- 239000000806 elastomer Substances 0.000 claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 239000000565 sealant Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 abstract description 7
- 230000003068 static effect Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model discloses a kind of closed reciprocating rotating engine, and it, which possesses, draws axle, shaft end gripping mechanism, shield, elastomer, flange end gripping mechanism, adapter flange, sealing ring, prime mover, case, interior cable, air plug, outer cable.Described prime mover is motor or the assembly of motor and decelerator.It is characterized in that：--- --- --- sealing ring --- case --- air plug forms a seal cavity to adapter flange to elastomer to the extraction axle, and prime mover, interior cable are respectively positioned in the seal cavity.When the extraction axle rotates, one end of elastomer follows adapter flange fixed, and the other end, which follows, draws axle rotation, i.e. the forms of motion of elastomer is wound around formula rotation；The wound form, which rotates, make it that limited angle reciprocating rotation can only be made by drawing axle.The working mechanism of the closed reciprocating rotating engine is the elasticity and sealing using elastomer, and dynamic sealing is converted into static seal, effectively solves the limitation that dynamic sealing is applied under vacuum conditions.
Description
Technical Field
The utility model relates to a mechanical transmission technical field, especially the engine that can reciprocal gyration under special environment such as vacuum, negative pressure, high cleanness.
Background
The motor and the reducer are one of the most common devices in the technical field of mechanical transmission, but the motor and the reducer specially applied to vacuum (negative pressure) are not common. For the application of the motor in a vacuum environment, the application is mainly solved by two modes of high-vacuum sealing grease or magnetic coupling at present. The motors are often imported motors, and are extremely high in price; similarly, if the motor needs to be decelerated, it needs to be equipped with a special decelerator that can be used under vacuum. How to enable the common motor and the reducer to be used in the environments of vacuum, negative pressure, high cleanliness and the like is a problem worth thinking.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the closed reciprocating rotary power machine is characterized by that it utilizes the combination design of prime mover (the prime mover is motor or the combination body of motor and speed reducer) to make the prime mover implement reciprocating rotary motion under the environment of vacuum, negative pressure and high cleanness.
In order to solve the above problem, the utility model adopts the following technical scheme: a closed reciprocating rotary power machine comprises an outgoing shaft, a shaft end clamping device, a protective cover, an elastic body, a flange end clamping device, a switching flange, a sealing ring, a prime motor, a housing, an inner cable, an aerial plug and an outer cable;
the prime motor can be a motor, and can also be a combination of the motor and a speed reducer, and the motor is fastened on the adapter flange;
the elastic body is of a revolving body structure, one end of the elastic body is tightly attached to the adapter flange, and the other end of the elastic body is tightly attached to the leading-out shaft;
the shaft end clamping device clamps one end of the elastic body on the leading-out shaft, and the flange end clamping device clamps the other end of the elastic body on the adapter flange;
the shield is positioned on the outer side of the elastic body;
the shell is positioned on the outer side of the prime motor and is fastened on the adapter flange, and a sealing ring is arranged between the shell and the adapter flange;
the aerial plug is fastened on the housing, and a sealing element is arranged between the aerial plug and the housing;
one end of the inner cable is connected with the prime motor, and the other end of the inner cable is connected with the inner side of the aviation plug; the outer cable is used as a leading-out cable and is connected with the outer side of the aviation plug;
the leading-out shaft, the elastic body, the adapter flange, the sealing ring, the housing and the aerial insertion form a sealed cavity, and the prime motor and the inner cable are both positioned in the sealed cavity;
when the leading-out shaft rotates, one end of the elastic body is fixed along with the adapter flange, and the other end of the elastic body rotates along with the leading-out shaft, namely the movement form of the elastic body is winding rotation; the winding type rotation enables the extraction shaft to do reciprocating rotation only in a limited angle, namely the forward rotation angle or the reverse rotation angle of the extraction shaft does not exceed 36000 degrees.
Preferably, the material of the elastomer is rubber;
preferably, the leading-out shaft is formed by fixedly connecting a self-made long shaft and a standard prime mover output shaft; alternatively, the take-off shaft is directly formed by a custom non-standard prime mover output shaft.
Preferably, the shield may be fixedly coupled to or formed integrally with the flange end clamp, and may also be fixedly coupled to or formed integrally with the shaft end clamp.
It should be noted that there are many ways to clamp one end of the elastic body to the extraction shaft, such as: in a first mode, the shaft end clamping device is provided with a first compression flange matched with the first compression flange, a shaft collar is processed on the leading-out shaft, a plurality of through holes or threaded holes are processed on the shaft collar, and after the elastic body is attached to the side surface of the shaft collar, the first compression flange compresses the elastic body by screwing a fastening bolt or a screw; in a second mode, the shaft end clamping device comprises a first tightening nut and a first pressing cap which are matched with each other, an external thread and a conical surface are processed on the leading-out shaft, and the first tightening nut is screwed after the elastic body is attached to the conical surface, so that the first pressing cap is pushed to press the elastic body; in a third mode, the shaft end clamping device is a first hose clamp matched with the first hose clamp, a plurality of wedge-shaped teeth are processed on the leading-out shaft, and the elastic body is fastened by the first hose clamp after being attached to the wedge-shaped teeth on the leading-out shaft.
Similarly, there are various ways to clamp the other end of the elastic body to the adapter flange, such as: in a first mode, the flange end clamping device is provided with a second compression flange matched with the second compression flange, a plurality of through holes or threaded holes are formed in the adapter flange, and after the elastic body is attached to the adapter flange, the second compression flange compresses the elastic body by tightening a fastening bolt or a screw; in a second mode, the flange end clamping device comprises a second tightening nut and a second pressing cap which are matched with each other, the adapter flange is provided with a boss, the boss is provided with an external thread and a conical surface, and the second tightening nut is screwed after the elastic body is attached to the conical surface, so that the second pressing cap is pushed to press the elastic body; in a third mode, the flange end clamping device is a second hose clamp matched with the second hose clamp, the adapter flange is provided with a boss, a plurality of wedge-shaped teeth are processed on the boss, and the elastic body is fastened by the second hose clamp after being attached to the wedge-shaped teeth.
Preferably, a sealant is coated at the joint of the elastomer and the adapter flange.
Preferably, a sealant is coated on the joint of the elastic body and the extraction shaft.
Particularly, the working mechanism of the closed reciprocating rotary power machine is to convert dynamic seal into static seal by utilizing the elasticity and the sealing property of an elastic body, thereby effectively solving the limitation of the application of the dynamic seal in a vacuum environment.
Through the design scheme, the utility model discloses the beneficial effect who brings does: the application range of the conventional motor and the reducer is expanded, so that the motor and the reducer can be applied to the environments of vacuum, negative pressure, high cleanness and the like; the special sealing cavity design can ensure that all parts in the special sealing cavity continue to use conventional lubricating oil or lubricating grease, and the lubricating effect and the heat dissipation effect are better; the elasticity and the sealing property of the elastic body are utilized to convert the dynamic seal into the static seal, and the limitation of the application of the dynamic seal in a vacuum environment is effectively solved.
Drawings
Fig. 1 is a first structural schematic diagram of a closed reciprocating rotary power machine according to the present invention.
Fig. 2 is a schematic diagram of a second structure of a closed reciprocating rotary power machine according to the present invention.
Fig. 3 is a first structural schematic diagram of the integral extraction shaft.
Fig. 4 is a second construction of the integral takeoff shaft.
Fig. 5 is a third structural schematic view of the integral takeoff shaft.
Fig. 6 is a first structural schematic view of the modular lead-out shaft.
Fig. 7 is a second construction of the modular lead-out shaft.
Fig. 8 is a third construction of the modular lead-out shaft.
Fig. 9 shows a first clamping of the extension shaft to the spring body.
Fig. 10 shows a second clamping of the extension shaft to the spring body.
Fig. 11 shows a third clamping of the extension shaft to the spring body.
Fig. 12 shows a first clamping of the adapter flange to the elastomer body.
Fig. 13 shows a second clamping of the adapter flange to the elastomer body.
Fig. 14 shows a third clamping manner of the adapter flange to the elastomer body.
Detailed Description
As shown in fig. 1 or fig. 2, a closed reciprocating rotary power machine is characterized in that: the closed reciprocating rotary power machine comprises an outgoing shaft (1), a shaft end clamping device (2), a shield (3), an elastic body (4), a flange end clamping device (5), a transfer flange (6), a sealing ring (7), a prime motor (8), a housing (9), an inner cable (10), an aerial plug (11) and an outer cable (12);
the prime motor (8) can be a motor, and also can be a combination of the motor and a speed reducer;
the elastic body (4) is of a revolving body structure, one end of the elastic body is tightly attached to the adapter flange (6), and the other end of the elastic body is tightly attached to the leading-out shaft (1);
the shaft end clamping device (2) clamps one end of the elastic body (4) on the leading-out shaft (1), and the flange end clamping device (5) clamps the other end of the elastic body (4) on the adapter flange (6);
the shield (3) is positioned outside the elastic body (4);
the prime motor (8) is fastened on the adapter flange (6);
the housing (9) is positioned outside the prime motor (8) and is fastened on the adapter flange (6), and a sealing ring (7) is arranged between the housing (9) and the adapter flange (6);
the aerial inserting part (11) is fastened on the housing (9), and a sealing element is arranged between the aerial inserting part and the housing;
one end of the inner cable (10) is connected with the prime motor (8), and the other end of the inner cable is connected with the inner side of the aviation plug (11); the outer cable (12) is used as a leading-out cable and is connected with the outer side of the aviation plug (11);
the leading-out shaft (1) and the elastic body (4), the elastic body (4) and the adapter flange (6), the adapter flange (6) and the sealing ring (7), the sealing ring (7) and the housing (9), and the housing (9) and the aviation plug (11) are tightly attached to each other in pairs to form a sealed cavity; and the prime motor (8) and the inner cable (10) are both positioned in the sealed cavity.
When the leading-out shaft (1) rotates, one end of the elastic body (4) is fixed along with the adapter flange (6), and the other end of the elastic body rotates along with the leading-out shaft (1), namely the movement form of the elastic body (4) is winding rotation; the winding type rotation enables the leading-out shaft (1) to carry out reciprocating rotation only in a limited angle, namely the angle of forward rotation or reverse rotation of the leading-out shaft does not exceed 36000 degrees.
Preferably, the material of the elastic body (4) is rubber.
Preferably, as shown in fig. 1 or fig. 2, the shield (3) is fixedly connected with or integrated with the flange end clamping device (5); obviously, the protective cover (3) can also be fixedly connected with or integrated with the shaft end clamping device (2).
Preferably, the leading-out shaft (1) is directly formed by a customized nonstandard prime mover output shaft (102), and the structure forms of the leading-out shaft mainly include three types: in a first structure form, as shown in fig. 3, a shaft ring is machined on the output shaft (102) of the customized non-standard prime mover; a second structure form is shown in fig. 4, the customized nonstandard prime mover output shaft (102) is provided with threads; in a third structural form, as shown in fig. 5, wedge-shaped teeth are machined on the output shaft (102) of the customized nonstandard prime mover.
Preferably, the leading-out shaft (1) is fixedly connected with a standard prime mover output shaft (101) through a key connection mode and a shaft end fastening screw connection mode, and the structural forms of the long shaft (100) are mainly three types: as shown in fig. 6, a collar is machined on the long shaft (100); as shown in fig. 7, a thread is formed on the long shaft (100); as shown in fig. 8, wedge-shaped teeth are formed on the long shaft (100). The fixed connection mode of the long shaft (100) and the standard prime mover output shaft (101) can be flange connection, coupling connection and the like; it should be noted that, after the long shaft (100) is fixedly connected with the output shaft (101) of the standard prime mover, the problem of sealing performance should be noticed, and the problem of sealing performance is easier to solve because the two are statically connected, and is not described herein again.
In addition, there are various ways of clamping one end of the elastic body (4) on the leading-out shaft (1), including: a first clamping method is as shown in fig. 9, the shaft end clamping device (2) is provided with a first pressing flange (23), and in cooperation with this, a collar is processed on the leading-out shaft (1), a plurality of through holes or threaded holes are processed on the collar, after the elastic body (4) is attached to the side surface of the collar, the elastic body (4) is pressed by the first pressing flange (23) by tightening a fastening bolt or screw; a second clamping manner is as shown in fig. 10, the shaft end clamping device (2) comprises a first tightening nut (21) and a first pressing cap (22), and matched with the first tightening nut (21), an external thread and a conical surface are processed on the leading-out shaft (1), and after the elastic body (4) is attached to the conical surface, the first tightening nut (21) is screwed, so that the first pressing cap (22) is pushed to press the elastic body (4); the third clamping mode is shown in fig. 11, the shaft end clamping device (2) is a first hose clamp (20) which is matched with the first hose clamp, a plurality of wedge-shaped teeth are processed on the leading-out shaft (1), and the elastic body (4) is fastened by the first hose clamp (20) after being attached to the wedge-shaped teeth on the leading-out shaft (1).
Similarly, there are various ways to clamp the other end of the elastic body (4) on the adapter flange (6), including: a first clamping manner of the adapter flange and the elastic body is shown in fig. 12, the flange end clamping device (5) is provided with a second pressing flange (28) matched with the second pressing flange, a plurality of through holes or threaded holes are formed in the adapter flange (6), and after the elastic body (4) is attached to the adapter flange (6), the second pressing flange (28) presses the elastic body (4) by screwing fastening bolts or screws; a second clamping manner of the adapter flange and the elastic body is shown in fig. 13, the flange end clamping device (5) comprises a second tightening nut (26) and a second pressing cap (27), and matched with the second tightening nut and the second pressing cap, the adapter flange (6) is provided with a boss which is provided with an external thread and a conical surface, and after the elastic body (4) is attached to the conical surface, the second tightening nut (26) is screwed, so that the second pressing cap (27) is pushed to press the elastic body (4); the third clamping mode of the adapter flange and the elastic body is shown in fig. 14, the flange end clamping device (5) is a second throat hoop (25) matched with the second throat hoop, the adapter flange (6) is provided with a boss, a plurality of wedge-shaped teeth are processed on the boss, and the elastic body (4) is fastened by the second throat hoop (25) after being attached to the wedge-shaped teeth.
Preferably, a sealant is coated at the joint of the elastomer (4) and the adapter flange (6).
Preferably, a sealant is coated on the joint of the elastic body (4) and the leading-out shaft (1).
In conclusion, the closed reciprocating rotary power machine utilizes the elasticity and the sealing property of the elastic body (4) to convert the dynamic seal into the static seal, thereby effectively solving the limitation of the application of the dynamic seal in a vacuum environment.
It should be noted that for the prime mover (8) within the sealed cavity, it may continue to use conventional lubricating oil or grease; if the closed reciprocating rotary speed reducer is used in a low-temperature environment, conventional temperature control treatment (such as sticking a heating film, thermal irradiation and the like) needs to be carried out on the closed reciprocating rotary speed reducer.
The utility model discloses not be limited to above-mentioned embodiment, the all adoption the utility model discloses the design or the design that have pointed out all should consider within the scope of protection of the utility model.
Claims (8)
1. A closed reciprocating rotary power machine is characterized in that: the closed reciprocating rotary power machine comprises an outgoing shaft (1), a shaft end clamping device (2), a shield (3), an elastic body (4), a flange end clamping device (5), a transfer flange (6), a sealing ring (7), a prime motor (8), a housing (9), an inner cable (10), an aerial plug (11) and an outer cable (12);
the prime motor (8) can be a motor, and also can be a combination of the motor and a speed reducer;
the elastic body (4) is of a revolving body structure, one end of the elastic body is tightly attached to the adapter flange (6), and the other end of the elastic body is tightly attached to the leading-out shaft (1);
the shaft end clamping device (2) clamps one end of the elastic body (4) on the leading-out shaft (1), and the flange end clamping device (5) clamps the other end of the elastic body (4) on the adapter flange (6);
the shield (3) is positioned outside the elastic body (4);
the prime motor (8) is fastened on the adapter flange (6);
the housing (9) is positioned outside the prime motor (8) and is fastened on the adapter flange (6), and a sealing ring (7) is arranged between the housing (9) and the adapter flange (6);
the aerial inserting part (11) is fastened on the housing (9), and a sealing element is arranged between the aerial inserting part and the housing;
one end of the inner cable (10) is connected with the prime motor (8), and the other end of the inner cable is connected with the inner side of the aviation plug (11); the outer cable (12) is used as a leading-out cable and is connected with the outer side of the aviation plug (11);
the leading-out shaft (1) and the elastic body (4), the elastic body (4) and the adapter flange (6), the adapter flange (6) and the sealing ring (7), the sealing ring (7) and the housing (9), and the housing (9) and the aviation plug (11) are tightly attached to each other in pairs to form a sealed cavity; the prime motor (8) and the inner cable (10) are both positioned in the sealed cavity;
when the leading-out shaft (1) rotates, one end of the elastic body (4) is fixed along with the adapter flange (6), and the other end of the elastic body rotates along with the leading-out shaft (1), namely the movement form of the elastic body (4) is winding rotation; the winding type rotation enables the leading-out shaft (1) to carry out reciprocating rotation only in a limited angle, namely the angle of forward rotation or reverse rotation of the leading-out shaft does not exceed 36000 degrees.
2. The closed reciprocating rotary power machine of claim 1 wherein: the elastomer (4) is made of rubber.
3. The closed reciprocating rotary power machine of claim 1 wherein: the leading-out shaft (1) is formed by fixedly connecting a long shaft (100) and a standard prime mover output shaft (101); or,
the outgoing shaft (1) is directly constituted by a customized non-standard prime mover output shaft (102).
4. The closed reciprocating rotary power machine of claim 1 wherein: the shield (3) can be fixedly connected with or integrated with the flange end clamping device (5); or, the shaft end clamping device can be fixedly connected with or integrated with the shaft end clamping device (2).
5. The closed reciprocating rotary power machine of claim 1 wherein: the shaft end clamping device (2) is provided with a first pressing flange (23), a shaft collar is matched with the first pressing flange, a plurality of through holes or threaded holes are formed in the shaft collar (1), and after the elastic body (4) is attached to the side face of the shaft collar, the elastic body (4) is pressed by the first pressing flange (23) through tightening of a fastening bolt or a screw; or,
the shaft end clamping device (2) comprises a first screwing nut (21) and a first pressing cap (22), the first screwing nut and the first pressing cap are matched with the shaft end clamping device, external threads and a conical surface are machined on the leading-out shaft (1), and the first screwing nut (21) is screwed after the elastic body (4) is attached to the conical surface, so that the first pressing cap (22) is pushed to compress the elastic body (4); in the alternative to this, either,
the shaft end clamping device (2) is a first throat hoop (20) and is matched with the first throat hoop, a plurality of wedge-shaped teeth are processed on the leading-out shaft (1), and the elastic body (4) is fastened by the first throat hoop (20) after being attached to the wedge-shaped teeth on the leading-out shaft (1).
6. The closed reciprocating rotary power machine of claim 1 wherein: the flange end clamping device (5) is provided with a second pressing flange (28) matched with the second pressing flange, a plurality of through holes or threaded holes are formed in the adapter flange (6), and after the elastic body (4) is attached to the adapter flange (6), the elastic body (4) is pressed by the second pressing flange (28) through tightening of fastening bolts or screws; or,
the flange end clamping device (5) comprises a second tightening nut (26) and a second pressing cap (27), and is matched with the second tightening nut (26), the adapter flange (6) is provided with a boss, the boss is provided with an external thread and a conical surface, and the second tightening nut (26) is screwed after the elastic body (4) is attached to the conical surface, so that the second pressing cap (27) is pushed to press the elastic body (4); or alternatively
The flange end clamping device (5) is a second throat hoop (25) and is matched with the second throat hoop, the adapter flange (6) is provided with a boss, a plurality of wedge-shaped teeth are processed on the boss, and the elastic body (4) is fastened by the second throat hoop (25) after being attached to the wedge-shaped teeth.
7. The closed reciprocating rotary power machine of claim 1 wherein: and a sealant is coated at the joint of the elastomer (4) and the adapter flange (6).
8. The closed reciprocating rotary power machine of claim 1 wherein: and a sealant is coated at the joint of the elastic body (4) and the leading-out shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720651031.2U CN207049304U (en) | 2017-06-06 | 2017-06-06 | A kind of closed reciprocating rotating engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720651031.2U CN207049304U (en) | 2017-06-06 | 2017-06-06 | A kind of closed reciprocating rotating engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049304U true CN207049304U (en) | 2018-02-27 |
Family
ID=61492118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720651031.2U Withdrawn - After Issue CN207049304U (en) | 2017-06-06 | 2017-06-06 | A kind of closed reciprocating rotating engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207049304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100988A (en) * | 2017-06-06 | 2017-08-29 | 杭州航验环境技术有限公司 | A kind of closed reciprocating rotating engine |
-
2017
- 2017-06-06 CN CN201720651031.2U patent/CN207049304U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100988A (en) * | 2017-06-06 | 2017-08-29 | 杭州航验环境技术有限公司 | A kind of closed reciprocating rotating engine |
| CN107100988B (en) * | 2017-06-06 | 2024-01-09 | 杭州航验环境技术有限公司 | Closed reciprocating rotary power machine |
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