CN201554824U - Manual and electric dual-purpose worm and worm gear transmission device - Google Patents
Manual and electric dual-purpose worm and worm gear transmission device Download PDFInfo
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- CN201554824U CN201554824U CN2009202469121U CN200920246912U CN201554824U CN 201554824 U CN201554824 U CN 201554824U CN 2009202469121 U CN2009202469121 U CN 2009202469121U CN 200920246912 U CN200920246912 U CN 200920246912U CN 201554824 U CN201554824 U CN 201554824U
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- input shaft
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Abstract
The utility model relates to a transmission device, in particular to a manual and electric dual-purpose worm and worm gear transmission device without extra operation of a clutch. The transmission device comprises a box body, a worm gear and a worm arranged in the box body, an output shaft of which two ends are pivoted in bearing holes of the box body and which is provided with a manual input end and a clutch, wherein the worm gear is pivoted on the output shaft; and the clutch comprises a driving clutch gear arranged on the end face of the worm gear and a driven end face clutch disc meshed with the driving clutch gear and slidably arranged on the output shaft through a key. The transmission device is characterized in that a manual input shaft which axially rotates a certain angle alpha and an axial sliding shaft which butts against the manual input shaft in a bevel through a spring are arranged at the center of the output shaft; and the driven end face clutch disc of the clutch is fixed with the axial sliding shaft. The transmission device can realize electric or manual operation without extra operation and has convenient use.
Description
Technical field
The utility model relates to a kind of transmission device, and particularly a kind of operation bidirectional clutch that need not can be realized the manual and electric dual-purpose worm gearing.
Background technique
Be used for the mechanical transmission of position regulation; run into the situation that needs electronic and dual-use manual through regular meeting, electronic realization quick adjustment manually realizes accurately regulating; for example milling machine table is with the electronic fast lifting that carries out, and then accurately regulates height with manual rocking handle.This not only can electronic but also manual transmission device, in gear transmission, be easy to realize, but gear transmission is under the big situation of speed ratio, mechanism is very huge, for reduced volume more designs the employing worm and gear, yet when worm spiral lift angle less (as single start worm), has self-locking action, promptly the low speed output shaft by worm gear drives can't drive the worm screw rotation, must with manual methods output shaft and worm gear be thrown off by clutch, could drive the output shaft rotation with handwheel, this has brought inconvenience to operation.As shown in Figure 1 in the electric-hand driven two-purpose transmission device, be provided with worm and gear in the casing 1, described worm screw 2 meshes with the worm gear 3 that end face is provided with the clutch tooth, described worm gear 3 is hubbed on the output shaft 4, one end face clutch 5 is slidedly arranged on the described output shaft 4 by key 6, described end face clutch 5 meshes with the clutch tooth of described worm gear 3 end faces, and a driving lever 7 connects described end face clutch 5.When electronic, the motor driving worm screw drives described worm gear rotation, and described worm gear drives the output shaft rotation by end face clutch; In the time of manually, move described end face clutch along output shaft, make with the clutch tooth of worm gear end face and separate, directly drive output shaft 4 with handwheel with driving lever 7.When driving lever often taking place being positioned at manual position, energising makes revolution, or driving lever can't rotate handwheel with hand when being positioned at electronic position.
Can't directly manual defective because above-mentioned existing manual and electric dual-purpose worm gearing is existing, the design people is based on being engaged in this type of product specification manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of manual and electric dual-purpose worm gearing of new structure, make it have more practicability.Through constantly research, design, and, create the utility model that has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
Technical problem to be solved in the utility model is at the above-mentioned deficiency of prior art, and to provide a kind of manual and electric dual-purpose worm gearing that need not the operation bidirectional clutch.
The purpose of this utility model and to solve its technical problem be to adopt following technological scheme to realize.According to a kind of manual and electric dual-purpose worm gearing that the utility model proposes, comprise: casing, be located at the worm gear in the casing, worm screw, two ends are hubbed at output shaft with manual input end and the clutch in the casing bearing hole, described worm gear is hubbed on the described output shaft, described clutch comprises the active clutch tooth of being located on the worm gear end face, be slidedly arranged on driven end face clutch wheel on the described output shaft with the key that passes through of described active clutch tooth engagement, the center of wherein said output shaft is provided with around the manual input shaft of the α that axially rotates to an angle and the axle that endwisely slips that supports with sloped roof by spring and described manual input shaft, and the driven end face clutch wheel of described clutch and the described axle that endwisely slips fix.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid manual and electric dual-purpose worm gearing, wherein said output shaft center around the manual input shaft of the α that axially rotates to an angle and the concrete structure of output shaft be, described output shaft is provided with slotted hole along the circumferential direction, and a pin passes the slotted hole and the pin of described output shaft and goes into described manual input shaft.
Aforesaid manual and electric dual-purpose worm gearing, the axle that endwisely slips at wherein said output shaft center with the concrete structure of output shaft is, described output shaft is provided with axial long hole, and described driven end face clutch wheel is affixed with axial long hole and described sliding axle that pin passes on the described output shaft.
Aforesaid manual and electric dual-purpose worm gearing, wherein said manual input shaft around axial rotation and the described inclined-plane that endwisely slips a contact are the flat protruding and V-type grooves that match of V-type, it is flat protruding specifically to be that the top of described manual input shaft is provided with V-type, and the top of described sliding axle is provided with the V-type groove that matches.
Aforesaid manual and electric dual-purpose worm gearing, the flat two interplanar dihedral angle β protruding or the V-type groove of wherein said formation V-type are 60～120 °.
Aforesaid manual and electric dual-purpose worm gearing, wherein said manual input shaft and the described inclined-plane that endwisely slips a contact around axial rotation is and the plane of axis angulation greater than 45 degree.
Aforesaid manual and electric dual-purpose worm gearing, the length of axial long hole is greater than the height h of the clutch tooth on the clutch on the wherein said output shaft.
Aforesaid manual and electric dual-purpose worm gearing, the angle of the semicircle orifice axis at the slotted hole two ends along the circumferential direction on the wherein said output shaft equals manual input shaft, and ((h/r) tg (β/2), wherein r is the diameter of the axle with the flat nose of V-type of manual input shaft with respect to the hard-over α 〉=2arcSin of output shaft.
The utility model compared with prior art has tangible advantage and beneficial effect.By technique scheme, the utility model manual and electric dual-purpose worm gearing can reach suitable technological progress and practicability, and has the extensive value on the industry, and it has following advantage at least:
1, the utility model manual and electric dual-purpose worm gearing need not other operation, can realize electronic or manual, easy to use.
2, the utility model is simple in structure, and lower cost has solved existing existing in the use deficiency, greatly convenient the use increased economic efficiency, on practicability of using and cost benefit, really it is required to meet industry development fully, quite has industrial utilization.
3, structure of the present utility model really has more technological progress than existing manual and electric dual-purpose worm gearing, and its particular structure feature and function also are far from existing manual and electric dual-purpose worm gearing and can compare, multinomial effect with enhancement, and the progress on possessing skills.
In sum, the utility model manual and electric dual-purpose worm gearing has above-mentioned plurality of advantages and use value, no matter it all has bigger improvement on the structure of product or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing manual and electric dual-purpose worm gearing has the outstanding multinomial effect of enhancement, thus be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is existing manual and electric dual-purpose worm gearing structural drawing.
Fig. 2 is the structural drawing of the utility model manual and electric dual-purpose worm gearing.
Fig. 3 is the sectional view of Fig. 2.
Fig. 4 is the another kind of embodiment's of the utility model manual and electric dual-purpose worm gearing a structural drawing.
Fig. 5 is worm gear arrangement figure.
Fig. 6 is the structural drawing of driven end face clutch wheel.
Fig. 7 is the structural drawing of output shaft.
Fig. 8 is the A-A sectional drawing of Fig. 7 output shaft.
Embodiment
Relevant aforementioned and other technology contents, characteristics and effect of the present utility model can clearly present in the detailed description of the preferred embodiment of following conjunction with figs..Explanation by embodiment, when can being to reach technological means that predetermined purpose takes and effect to get one more deeply and concrete understanding to the utility model, yet accompanying drawing only provide with reference to the usefulness of explanation, be not to be used for the utility model is limited.
See also Fig. 2, shown in Figure 3, a kind of manual and electric dual-purpose worm gearing provided by the utility model, comprise: casing 10, be located at the worm gear 20 in the casing 10, worm screw 30, two ends are hubbed at output shaft with manual input end 40 and the clutch 50 in the casing bearing hole 11, described worm gear 20 is hubbed on the described output shaft 40, described clutch 50 comprises the active clutch tooth of being located on worm gear 20 end faces 21 (as shown in Figure 5), be slidedly arranged on driven end face clutch wheel 52 on the described output shaft 40 with the key 51 that passes through of described active clutch tooth 21 engagements, the center of wherein said output shaft 40 is provided with around the manual input shaft 60 of the α that axially rotates to an angle and the axle 54 that endwisely slips that supports with sloped roof by spring 53 and described manual input shaft 60, and the driven end face clutch wheel 52 of described clutch 50 fixes with the described axle 54 that endwisely slips.
When electronic, motor drives the worm gear rotation by worm screw, and worm gear drives driven end face clutch wheel by the active engaging tooth on the end face and rotates, and driven end face clutch wheel drives described output shaft rotation by key.
In the time of manually, hand manual input shaft rotation, manually input shaft and described coaxial setting endwisely slips spool with inclined-plane Xiang Ding, the axle that endwisely slips is fixed with described driven end face clutch wheel, and driven end face clutch wheel and the engagement of described worm gear are because self-locking action, the axle that endwisely slips can not rotate in company with manual input shaft, under the effect on inclined-plane, the axle that endwisely slips overcomes spring pressure and drives the axial motion of driven end face clutch wheel, breaks away from the engagement with worm gear.Manually input shaft rotates to an angle and promptly drives output shaft behind the α and together rotate, and realizes manually.
The concrete structure around the manual input shaft 60 of the α that axially rotates to an angle and output shaft 40 at described output shaft 40 centers is (seeing also Fig. 7,8), described output shaft 40 is provided with slotted hole 41 along the circumferential direction, one pin 61 passes described slotted hole 41 pins and goes into described manual input shaft 60, makes the manual input shaft 60 can only be at the scope internal rotation angle degree α of slotted hole 41.
The concrete structure of the endwisely slip axle 54 and the output shaft 40 at described output shaft 40 centers is, described output shaft 40 is provided with axial long hole 42, described driven end face clutch wheel 52 is affixed with described sliding axle 54 with the axial long hole 42 that pin 55 passes on the described output shaft 40, makes the driven end face clutch wheel 52 of sliding axle 54 and interlock can only be in the scope of axial long hole 42 for to move along axis.
The length of axial long hole 42 is greater than the height h of the clutch tooth on the clutch on the described output shaft 40.
Described manual input shaft 60 around axial rotation and the described inclined-plane that endwisely slips axle 54 contacts are the flat protruding and V-type grooves (as shown in Figure 2) that match of V-type, it is flat protruding specifically to be that the top of described manual input shaft 60 is provided with V-type, and the top of described sliding axle 54 is provided with the V-type groove that matches.
The flat two interplanar dihedral angle β protruding or the V-type groove of described formation V-type are 60～120 °.
Described manual input shaft 60 around axial rotation with the described inclined-plane that endwisely slips axle 54 contacts is and the plane (as shown in Figure 4) of axis angulation γ greater than 45 degree.
The angle of the semicircle orifice axis at the slotted hole two ends along the circumferential direction on the described output shaft equal manual input shaft 60 with respect to the hard-over α 〉=2arcSin of output shaft ((h/r) tg (β/2),
Wherein r is the diameter of the axle with the flat nose of V-type of manual input shaft.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. manual and electric dual-purpose worm gearing, comprise: casing, be located at the worm gear in the casing, worm screw, two ends are hubbed at output shaft with manual input end and the clutch in the casing bearing hole, described worm gear is hubbed on the described output shaft, described clutch comprises the active clutch tooth of being located on the worm gear end face, be slidedly arranged on driven end face clutch wheel on the described output shaft with the key that passes through of described active clutch tooth engagement, the center that it is characterized in that described output shaft is provided with around the manual input shaft of the α that axially rotates to an angle and the axle that endwisely slips that supports with sloped roof by spring and described manual input shaft, and the driven end face clutch wheel of described clutch and the described axle that endwisely slips fix.
2. manual and electric dual-purpose worm gearing according to claim 1, what it is characterized in that described output shaft center around the manual input shaft of the α that axially rotates to an angle and the concrete structure of output shaft is, described output shaft is provided with slotted hole along the circumferential direction, and a pin inserts the slotted hole and the pin of described output shaft and goes into described manual input shaft.
3. manual and electric dual-purpose worm gearing according to claim 1, the axle that endwisely slips that it is characterized in that described output shaft center with the concrete structure of output shaft is, described output shaft is provided with axial long hole, and described driven end face clutch wheel is affixed with axial long hole and described sliding axle that pin passes on the described output shaft.
4. manual and electric dual-purpose worm gearing according to claim 3 is characterized in that the height h of the length of axial long hole on the described output shaft greater than the clutch tooth on the clutch.
5. manual and electric dual-purpose worm gearing according to claim 1, it is characterized in that described manual input shaft around axial rotation and the described inclined-plane that endwisely slips a contact are the flat protruding and V-type grooves that match of V-type, it is flat protruding specifically to be that the top of described manual input shaft is provided with V-type, and the top of described sliding axle is provided with the V-type groove that matches.
6. manual and electric dual-purpose worm gearing according to claim 5, it is characterized in that constituting the flat two interplanar dihedral angle β protruding or the V-type groove of V-type is 60～120 °.
7. manual and electric dual-purpose worm gearing according to claim 1 is characterized in that described manual input shaft and the described inclined-plane that endwisely slips a contact around axial rotation is and the plane of axis angulation greater than 45 degree.
8. manual and electric dual-purpose worm gearing according to claim 2, ((h/r) tg (β/2), wherein r is the diameter of the axle with the flat nose of V-type of manual input shaft with respect to the hard-over α 〉=2arcSin of output shaft to it is characterized in that angle between the semicircle orifice axis at the slotted hole two ends along the circumferential direction on the described output shaft equaling manual input shaft (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202469121U CN201554824U (en) | 2009-11-09 | 2009-11-09 | Manual and electric dual-purpose worm and worm gear transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202469121U CN201554824U (en) | 2009-11-09 | 2009-11-09 | Manual and electric dual-purpose worm and worm gear transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201554824U true CN201554824U (en) | 2010-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202469121U Expired - Fee Related CN201554824U (en) | 2009-11-09 | 2009-11-09 | Manual and electric dual-purpose worm and worm gear transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201554824U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864063A (en) * | 2013-07-10 | 2015-08-26 | 平湖迪工机械制造有限公司 | Differential gear box |
| CN106808281A (en) * | 2015-12-01 | 2017-06-09 | 安徽鸿远机电科技有限公司 | A kind of drilling and milling machine soldered tooth |
-
2009
- 2009-11-09 CN CN2009202469121U patent/CN201554824U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864063A (en) * | 2013-07-10 | 2015-08-26 | 平湖迪工机械制造有限公司 | Differential gear box |
| CN104864063B (en) * | 2013-07-10 | 2017-05-24 | 平湖迪工机械制造有限公司 | Differential gear box |
| CN106808281A (en) * | 2015-12-01 | 2017-06-09 | 安徽鸿远机电科技有限公司 | A kind of drilling and milling machine soldered tooth |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20181109 |