CN203784212U - Spring type duckbilled key for direction change gear shafts of circulating type forward and reverse direction change speed change vacuum compressor - Google Patents
Spring type duckbilled key for direction change gear shafts of circulating type forward and reverse direction change speed change vacuum compressor Download PDFInfo
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- CN203784212U CN203784212U CN201320843965.8U CN201320843965U CN203784212U CN 203784212 U CN203784212 U CN 203784212U CN 201320843965 U CN201320843965 U CN 201320843965U CN 203784212 U CN203784212 U CN 203784212U
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- duckbilled
- change gear
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Abstract
The utility model belongs to vacuum compressors, and particularly relates to a spring type duckbilled key for direction change gear shafts of a circulating type forward and reverse direction change speed change vacuum compressor. According to the spring type duckbilled key, a direction change main shaft device and a forward and reverse direction change gear mechanism are included. The spring type duckbilled key is characterized in that one side of a third direction change gear of the direction change main shaft device is meshed with a direction change gear a of the direction change gear shaft rotating in the forward direction, the other side of the third direction change gear is meshed with a direction change gear b of the direction change gear shaft rotating in the reverse direction, and the spring type duckbilled key is formed by a duckbilled body, a duckbilled groove, a hinged shaft and a duckbilled spring. The spring type duckbilled key is reasonable in design and compact in structure; under the action of elastic force, the duckbilled body can stretch out of the duckbilled groove so that the direction change gear shafts are under the working condition, and the duckbilled body can retract into the duckbilled groove so that the direction change gear shafts are under the idling condition; the spring type duckbilled key has the advantages that transmission is reliable, operation is stable, and vacuumization and compression efficiency of the vacuum compressor is improved.
Description
Technical field
The utility model belongs to vacuum compressor, particularly a kind of spring duckbilled key of circulating positive and negative break-in speed change vacuum compressor change gear axle.
Background technique
At present, in engineering goods, such as the mechanical transmission of reciprocating vacuum pump and reciprocal compressor, its structure mostly adopts motor, with the driving mechanism of transmission driving crank and eccentric wheel type.By adopting slide block and connecting rod to coordinate promotion piston to realize to-and-fro motion, owing to being subject to the restriction of the above-mentioned kind of drive, its cylinder body distribution form can only be V-type, fan type or twin-tub type in parallel.Due to bent axle and eccentric wheel transmission existence periodicity flex point or dead point---export the dead point that torque is " 0 "; During transmission, will inevitably cause vibrations and noise, and bent axle and eccentric gearing do not have reinforcement coefficient; So power consumption is just large, especially when compression ratio---when head pressure/incoming pressure is larger, power consumption is very uneconomic.This is also why toward trans vacuum pump and past trans compressor, to be the reason of autonomous device at present; And these are independently toward trans vacuum pump and independently many toward trans compressor both parts, not only Heavy Weight but also structure were not compact.In recent years, the problem existing in order to solve the mechanical transmission of above-mentioned reciprocating vacuum pump and reciprocal compressor, the vertical figure of people is large from utilizing power screw to have reinforcement coefficient, the accurate characteristic that operates steadily is set out, in conjunction with adopting elastic force to control the round reversing arrangement of leading screw, and researched and developed a kind of reciprocating screw vacuum compressor that the patent No. is ZL201110158356.4, its structure comprises by support, motor, band transmission, follower, back shaft, gear transmission reversing mechanism, hollow shaft, bearing support, hollow leading screw, screw, screw sleeve pipe, connecting sleeve, reversing bar, the electric transmission of the spiral reciprocating type that spring mechanism and jaw clutch form, the commutation of the reversing bar in the electric transmission of its spiral reciprocating type is rotated, drive is by cylinder body, piston, sealed joint pipe, Sealing first, middle separate space, Sealing second, front separate space, rear separate space, three-way type suction valve, three-way type outlet valve, middle three-way type outlet valve, middle three-way type suction valve, the vacuum compression device that total air escape pipe and total inlet pipe form, piston series connection group in vacuum compression dress, continuous past in cylinder body, return motion, realizing this vacuum compressor integrates and vacuumizes and compression function.Although the structure of the more above-mentioned reciprocating vacuum pump of this reciprocating screw vacuum compressor and reciprocal compressor, there is progress, but still there are some shortcoming and defect in its transmission device, topmost shortcoming is that its jaw clutch is easy to de-knot when normal work and its transmission device can not normally be worked under high-speed condition, has restricted vacuumizing with the efficiency of compression function of vacuum compressor and has improved, therefore, the shortcoming and defect existing for above-mentioned technology, the applicant has conceived a kind of circulating positive and negative break-in speed change vacuum compressor, this circulating positive and negative break-in speed change vacuum compressor is by support, motor and the motor drive component forming with transmission drive positive and negative break-in speed changing type transmission device, this positive and negative break-in speed changing type transmission device comprises speed reducer, forward and reverse gear synchronous driven unit, positive and negative deviator and speeder, wherein positive and negative deviator comprises change gear axle, a change gear, upper Lower shaft sleeve, key is rolled in break-in, spring duckbilled key, b change gear, upper and lower end cap, forward and reverse change gear mechanism that free wheel device and free wheel device cover form, and break-in mainshaft mechanism comprises break-in main shaft, first change gear, the third change gear, fourth change gear, second change gear, commutator, Bunper assembly.This positive and negative break-in speed changing type transmission device is being grasped the transmission scheme of collection high speed → deceleration → break-in → speedup, through speed reducer and positive and negative break-in assembly; The high rotating speed of input is down to after the slow-speed of revolution and break-in, through speeder, slow-speed of revolution speedup is arrived again to the high rotating speed of output shaft, by the output shaft in positive and negative break-in speed changing type transmission device with high rotating speed drive piston series connection group in vacuum compression device constantly vacuum compression cylinder body past, return motion, realize the efficient function that vacuumizes with compress of this vacuum compressor; For this reason, require the spring duckbilled key of circulating positive and negative break-in speed change vacuum compressor change gear axis mechanism, must there is the reliable and stable function of compactness rational in infrastructure and transmission performance.Therefore, a kind of spring duckbilled key that is applicable to circulating positive and negative break-in speed change vacuum compressor change gear axle of innovative development, is very necessary.
Summary of the invention
The utility model is intended to the shortcoming and defect part existing in above-mentioned technology, grasping and making the output shaft of transmission device drive vacuum compression device to set out with high rotating speed, adopt the transmission device of the technological scheme of high speed → deceleration → break-in → speedup, and a kind of spring duckbilled key of circulating positive and negative break-in speed change vacuum compressor change gear axle is provided; This spring duckbilled key is not only reasonable in design, and compact structure can make duckbilled body stretch out outside duckbilled groove by elastic force effect, realizes change gear axle in running order, can make again, in duckbilled body retraction duckbilled groove, to realize change gear axle in idling conditions; And thering is reliable transmission, stable and raising vacuum compressor vacuumizes and the features such as efficiency of compressing.
The purpose of this utility model is to adopt following technological scheme to realize: the spring duckbilled key of described circulating positive and negative break-in speed change vacuum compressor change gear axle, comprise break-in main shaft device and forward and reverse change gear mechanism, it is characterized in that: in a side of the third change gear of break-in main shaft device and a change gear of the change gear axle of forward rotation, be meshed, the opposite side of the third described change gear is meshed with the b change gear of reverse change gear axle; Each described spring duckbilled key is comprised of duckbilled body, duckbilled groove, hinge and duckbilled spring, in the inner side surface of each change gear axle, have the duckbilled groove that holds duckbilled body, described duckbilled body is hinged in duckbilled groove by hinge, the top of described hinge is hinged in Upper shaft sleeve, in the hinged duckbilled body in bottom of hinge, the sharp nozzle end of duckbilled body touches mutually with the lower key section that key is rolled in spring break-in, realizes duckbilled body and rotates in duckbilled groove around hinge; Between the tail end bottom surface of described duckbilled body and duckbilled bottom land inwall, install 2～4 duckbilled springs, one end of each described duckbilled spring packs in the spring eye of duckbilled body tail end bottom surface, and the other end of duckbilled spring packs in the spring eye of duckbilled groove inner bottom surface; When spring duckbilled key stretches out outside duckbilled groove by elastic force effect, change gear axle is in running order, until spring duckbilled key by elastic force effect indentation duckbilled groove in time, change gear axle is in idling conditions.
Principle of the present utility model and feature are described below:
The output shaft of the utility model transmission device is intended to drive with high rotating speed the object of vacuum compression device, adopt the transmission device of the technological scheme of high speed → deceleration → break-in → speedup, the motor on support is by band transmission driving or directly by motor-driven positive and negative break-in speed changing type transmission device, its positive and negative break-in speed changing type transmission device is by the assembly that slows down, the gear assembly of positive and negative rotation, break-in mainshaft mechanism, forward and reverse side steering and speedup assembly form, its break-in mainshaft mechanism is by break-in case, break-in main shaft, first change gear, the third change gear, fourth change gear, second change gear, commutator, Bunper assembly and forward and reverse side steering form, in the bilateral symmetry of the third change gear, install forward and reverse side steering, its each side steering is by just, anti-change gear axle, a change gear, upper Lower shaft sleeve, key is rolled in break-in, spring duckbilled key, b change gear, upper and lower end cap, free wheel device and free wheel device cover form, wherein spring duckbilled key is comprised of duckbilled body, duckbilled groove, hinge and duckbilled spring, the elastic force effect of the duckbilled key by spring can make duckbilled body stretch out outside duckbilled groove, realize change gear axle in running order, can make again, in duckbilled body retraction duckbilled groove, to realize change gear axle in idling conditions.
The comprehensive above technological scheme of taking, realizes the purpose of this utility model.
Compared with prior art, the utility model is not only reasonable in design, compact structure, by elastic force effect, can make duckbilled body stretch out outside duckbilled groove, realize change gear axle in running order, can make again, in duckbilled body retraction duckbilled groove, to realize change gear axle in idling conditions; And thering is reliable transmission, stable and raising vacuum compressor vacuumizes and the features such as efficiency of compressing.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The utility model has five width accompanying drawings.Wherein:
Accompanying drawing 1 be the utility model specific embodiment main TV structure schematic diagram;
Accompanying drawing 2 is the enlarged diagrams at K place in Fig. 1;
Accompanying drawing 3 is along the enlarged diagram of analysing and observe of E-E line in Fig. 2;
Accompanying drawing 4 is along the enlarged diagram of analysing and observe of A-A line in Fig. 2;
Accompanying drawing 5 is along the enlarged diagram of analysing and observe of H-H line in Fig. 4.
In figure: 1, change gear axle, 2, duckbilled body, 3, Upper shaft sleeve, 4, b change gear, 5, hinge, the 6, third change gear, 7, spring break-in rolls key, 8, lower end cap, 9, duckbilled spring, 10, gearbox.
Embodiment
Shown in Fig. 1,2,3,4, it is specific embodiment of the utility model, it is the spring duckbilled key of circulating positive and negative break-in speed change vacuum compressor change gear axle, comprise break-in main shaft device and forward and reverse change gear mechanism, it is characterized in that: in a side of the third change gear 6 of break-in main shaft device and a change gear of the change gear axle 1 of forward rotation, be meshed, the opposite side of the third described change gear 6 is meshed with the b change gear 4 of counter-rotational change gear axle 1; Each described spring duckbilled key is comprised of duckbilled body 2, duckbilled groove, hinge 5 and duckbilled spring 7, in the inner side surface of described change gear axle 1, have the duckbilled groove that holds duckbilled body 2, described duckbilled body 2 is hinged in duckbilled groove by hinge 5, the top of described hinge 5 is hinged in Upper shaft sleeve 3, the bottom of hinge 5 is hinged in duckbilled body, the sharp nozzle end of duckbilled body 2 touches mutually with the lower key section that key 7 is rolled in spring break-in, realizes duckbilled body 2 and rotates in duckbilled groove around hinge 5; Between the tail end bottom surface of described duckbilled body 2 and duckbilled bottom land inwall, install 2～4 duckbilled springs 9,2 duckbilled springs 9 of this specific embodiment installing; One end of each described duckbilled spring 9 packs in the spring eye of duckbilled body 2 tail end bottom surfaces, and the other end of duckbilled spring 9 packs in the spring eye of duckbilled groove inner bottom surface; When spring duckbilled key 3 stretches out outside duckbilled groove by elastic force effect, the change gear axle 1 of a change gear and b change gear 4 is in running order, until spring duckbilled key 3 by elastic force effect indentation duckbilled groove in time, the change gear axle 1 of a change gear and b change gear 4 is in idling conditions.
Described Upper shaft sleeve 3 is fixed on change gear axle 1 outer side surface of b change gear 4 by jackscrew.
Described lower end cap 8 is fixed by screws on change gear axle 1 end face of b change gear 4.
Forward and reverse change gear mechanism in this specific embodiment comprises change gear axle, a change gear, Upper shaft sleeve 3, b change gear 4, lower end cap 8, free wheel device and free wheel device cover.
Break-in mainshaft mechanism in this specific embodiment comprises break-in case 10, break-in main shaft, first change gear, the third change gear 6, fourth change gear, second change gear, commutator, Bunper assembly and forward and reverse side steering.
The above; it is only preferably embodiment of the present utility model; but protection domain of the present utility model is not limited to this; allly be familiar with those skilled in the art in the disclosed technical scope of the utility model, within being equal to and replacing or change and all should be encompassed in protection domain of the present utility model according to the technical solution of the utility model and design of the present utility model thereof.
Claims (3)
1. circulating positive and negative break-in speed change vacuum compressor change gear axle spring duckbilled key, comprise break-in main shaft device and forward and reverse change gear mechanism, it is characterized in that: in a side of the third change gear (6) of break-in main shaft device and a change gear of the change gear axle (1) of forward rotation, be meshed, the opposite side of described the third change gear (6) is meshed with the b change gear (4) of counter-rotational change gear axle (1), installing spring duckbilled key in the change gear axle (1) of each change gear, described spring duckbilled key is by duckbilled body (2), duckbilled groove, hinge (5) and duckbilled spring (8) form, in the inner side surface of each change gear axle (1), have the duckbilled groove that holds duckbilled body (2), described duckbilled body (2) is hinged in duckbilled groove by hinge (5), the top of described hinge (5) is hinged in Upper shaft sleeve (3), in the hinged duckbilled body in bottom (2) of hinge (5), the sharp nozzle end of duckbilled body (2) touches mutually with the lower key section that key (7) is rolled in spring break-in, realizing duckbilled body (2) rotates in duckbilled groove around hinge (5), between the tail end bottom surface of described duckbilled body (2) and duckbilled bottom land inwall, install 2～4 duckbilled springs (9), one end of each duckbilled spring (9) packs in the spring eye of duckbilled body (2) tail end bottom surface, and the other end of duckbilled spring (9) packs in the spring eye of duckbilled groove inner bottom surface, when spring duckbilled key stretches out outside duckbilled groove by elastic force effect, the change gear axle (1) of a change gear and b change gear (4) is in running order, until spring duckbilled key (3) by elastic force effect indentation duckbilled groove in time, the change gear axle (1) of a change gear and b change gear (4) is in idling conditions.
2. press circulating positive and negative break-in speed change vacuum compressor change gear axle spring duckbilled key claimed in claim 1, it is characterized in that: described Upper shaft sleeve (3) is fixed on change gear axle (1) outer side surface of b change gear (4) by jackscrew.
3. press circulating positive and negative break-in speed change vacuum compressor change gear axle spring duckbilled key claimed in claim 1, it is characterized in that: described lower end cap (8) is fixed by screws on change gear axle (1) end face of b change gear (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320843965.8U CN203784212U (en) | 2013-12-18 | 2013-12-18 | Spring type duckbilled key for direction change gear shafts of circulating type forward and reverse direction change speed change vacuum compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320843965.8U CN203784212U (en) | 2013-12-18 | 2013-12-18 | Spring type duckbilled key for direction change gear shafts of circulating type forward and reverse direction change speed change vacuum compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784212U true CN203784212U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320843965.8U Expired - Fee Related CN203784212U (en) | 2013-12-18 | 2013-12-18 | Spring type duckbilled key for direction change gear shafts of circulating type forward and reverse direction change speed change vacuum compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203784212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629310A (en) * | 2013-12-18 | 2014-03-12 | 大连精功机械设备有限公司 | Spring-type duckbilled key of direction-changing gear shaft of circulating type forward and reverse direction changing and speed changing vacuum compressor |
-
2013
- 2013-12-18 CN CN201320843965.8U patent/CN203784212U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629310A (en) * | 2013-12-18 | 2014-03-12 | 大连精功机械设备有限公司 | Spring-type duckbilled key of direction-changing gear shaft of circulating type forward and reverse direction changing and speed changing vacuum compressor |
| CN103629310B (en) * | 2013-12-18 | 2017-01-11 | 大连泰帝恒机械制造有限公司 | Spring-type duckbilled key of direction-changing gear shaft of circulating type forward and reverse direction changing and speed changing vacuum compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20141218 |
|
| EXPY | Termination of patent right or utility model |