CN201277420Y - Automatic elevating gear of microphone - Google Patents
Automatic elevating gear of microphone Download PDFInfo
- Publication number
- CN201277420Y CN201277420Y CNU2008201234497U CN200820123449U CN201277420Y CN 201277420 Y CN201277420 Y CN 201277420Y CN U2008201234497 U CNU2008201234497 U CN U2008201234497U CN 200820123449 U CN200820123449 U CN 200820123449U CN 201277420 Y CN201277420 Y CN 201277420Y
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- sleeve
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- elevator mechanism
- ascend
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Abstract
The utility model relates to a hoisting device, in particular to a microphone automatic hoisting device which comprises a hoisting mechanism. The hoisting device is characterized in that the hoisting mechanism is a multi-stage sleeve type hoisting mechanism, and an upper limiting device and a lower limiting device are also arranged in the mechanism. The hosting device is used in conferences and performances, the height of a microphone can be automatically adjusted through a control switch, the use is very convenient, the lifting is stable, the outer shape is beautiful, and the hoisting device is safe and reliable.
Description
Technical field:
The utility model relates to a kind of lowering or hoisting gear, is a kind of microphone apparatus for automatically lifting.
Background technique:
At present in meeting or perform the vertical adjustable support of on-the-spot employed microphone, all need when adjusting height to adjust manually, particularly in meeting or performance are carried out as need to adjust height, can only be manually manual adjustment at the scene, so promptly inconvenience influences the effect of meeting or performance again.
The model utility content:
The purpose of this utility model is: solve the problem that microphone lowering or hoisting gear height inconvenience promptly influences meeting or performing effect of adjusting manually.Provide a kind of safe and reliable, lifting stably, can adjust the multistage telescopic apparatus for automatically lifting of microphone height by handling control switch.
To achieve these goals, the technical solution of the utility model is: the microphone apparatus for automatically lifting comprises elevator mechanism, it is characterized in that described elevator mechanism is a kind of multistage telescopic elevator mechanism, also is provided with upper limit device and lower retainer in this mechanism.
Multistage telescopic elevator mechanism is by one-level sleeve elevator mechanism, two-level sleeve elevator mechanism and three grades of sleeve elevator mechanisms or be made up of one-level sleeve elevator mechanism at least.
One-level sleeve elevator mechanism, by base, be fixed on chopped-off head sleeve, chopped-off head socket cover in the base, be located at one-level lifting nut in the chopped-off head sleeve, be located at one-level jacking sleeve above the one-level lifting nut, be that initiatively flat filament bar, the worm gear pair that is connected with one-level active flat filament bar are formed for the one-level of screw pair with the one-level lifting nut.
The two-level sleeve elevator mechanism, by be located at two grade of ascend and descend nut in the one-level jacking sleeve, be located at two grade of ascend and descend sleeve above the two grade of ascend and descend nut, the two grade of ascend and descend socket cover, with the two grade of ascend and descend nut be that the driven flat filament bar of secondary of screw pair is formed.The driven flat filament bar of secondary is provided with the non-full circle hole of two vertical planes in its inner chamber, its lower end is provided with ball bearing.
Three grades of sleeve elevator mechanisms, by be located at three grades of lifting nuts in the two grade of ascend and descend sleeve, be located at three grades above the lifting nut three grades of jacking sleeves, with three grades of lifting nuts, the three grades of driven screw mandrels that are screw pair, be located at three grades of bearings on the jacking sleeve and form.
Three grades of driven screw mandrels are provided with the non-full circle hole of two vertical planes in its inner chamber, its lower end is provided with ball bearing.
When motor rotated, one-level initiatively flat filament bar drove one-level lifting nut and one-level jacking sleeve liter or falls, and drove the driven flat filament bar rotation of secondary simultaneously.
When the driven flat filament bar of secondary rotated, drive two grade of ascend and descend nut and two grade of ascend and descend sleeve rose or fall, and drove three grades of driven screw mandrels rotations simultaneously.
When three grades of driven screw mandrels rotate, drive three grades of lifting nuts, three grades of jacking sleeves and bearing liters or fall the automatic lifting of so final realization microphone automatic hoisting mechanism.
The upper limit device is to be made of the position-limited lever that has elbow, spring, spring seat and limit switch.
When the elbow of position-limited lever was pushed up in the rising of one-level lifting nut, position-limited lever lifted, and limit switch is disconnected, and circuit is cut off.Multistage telescopic elevator mechanism stops to rise.
Lower retainer is to be made of a position-limited lever and limit switch.
When the one-level lifting nut descended, when being pressed onto an end of position-limited lever, limit switch disconnected, and circuit is cut off, and multistage telescopic elevator mechanism stops to descend.
In the chopped-off head sleeve, be provided with the guiding groove of vertical symmetry; In the one-level jacking sleeve, be provided with the guiding groove of vertical symmetry; In the two grade of ascend and descend sleeve, be provided with the guiding groove of vertical symmetry.
The one-level lifting nut is provided with the guide pad of symmetry; The two grade of ascend and descend nut is provided with the guide pad of symmetry; Three grades of lifting nuts are provided with the guide pad of symmetry.
In the chopped-off head socket cover, be provided with O-ring seal; In the one-level socket cover, be provided with O-ring seal 16; In the two-level sleeve lid, be provided with O-ring seal.
In the kerve of one-level lifting nut, be provided with ball bearing back-up ring and snap ring.
In the kerve of two grade of ascend and descend nut, be provided with ball bearing back-up ring and snap ring.
Technique effect of the present utility model:
The utility model microphone apparatus for automatically lifting, adopt multistage telescopic elevator mechanism, when meeting or the on-the-spot use of performance, adjust the height of microphone automatically by control switch, very easy to use, lifting steadily, beautiful shape, safe and reliable, the effect when having improved meeting or performance.
Description of drawings:
Fig. 1 is that the utility model master looks sectional view;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the cross-sectional view of the driven flat filament bar 24 of secondary shown in Figure 1;
Fig. 4 is the cross-sectional view of three grades of driven screw mandrels 23 shown in Figure 1;
Embodiment:
Contrast accompanying drawing below, narrate embodiment of the present utility model: the microphone apparatus for automatically lifting, comprise elevator mechanism, it is characterized in that described elevator mechanism is a kind of multistage telescopic elevator mechanism A, also is provided with upper limit device B and lower retainer C in this mechanism.
Multistage telescopic elevator mechanism A is by one-level sleeve elevator mechanism, two-level sleeve elevator mechanism and three grades of sleeve elevator mechanisms or be made up of one-level sleeve elevator mechanism at least.
One-level sleeve elevator mechanism, by base 1, be fixed on chopped-off head sleeve 8, chopped-off head socket cover 13 in the base 1, be located at one-level lifting nut 3 in the chopped-off head sleeve 8, be located at one-level jacking sleeve 10 above the one-level lifting nut 3, initiatively flat filament bar 25, the worm gear pair 35 that is connected with one-level active flat filament bar 25 are formed for the one-level of screw pair with one-level lifting nut 3.
The two-level sleeve elevator mechanism, by be located at two grade of ascend and descend nut 5 in the one-level jacking sleeve 10, be located at two grade of ascend and descend sleeve 17 above the two grade of ascend and descend nut 5, two grade of ascend and descend socket cover 18 and form for the driven flat filament bar 24 of secondary of screw pair with two grade of ascend and descend nut 5.
Driven flat filament bar 24 (see figure 3)s of secondary are provided with the non-full circle hole of two vertical planes in its inner chamber, its lower end is provided with ball bearing 30.
Three grades of sleeve elevator mechanisms, by be located at three grades of lifting nuts 7 in the two grade of ascend and descend sleeve 17, be located at three grades of jacking sleeves 20 above three grades of lifting nuts 7, with three grades of lifting nuts 7 for three grades of driven screw mandrels 23 of screw pair, be located at three grades of bearings 21 on the jacking sleeve 20 and form.Three grades of driven screw mandrels 23 are provided with the non-full circle hole (see figure 4) of two vertical planes in its inner chamber, its lower end is provided with ball bearing 27.
When motor 34 rotations, one-level initiatively flat filament bar 25 drives one- level lifting nut 3 and 10 liters of one-level jacking sleeves or falls, and drives driven flat filament bar 24 rotations of secondary simultaneously.
During 24 rotations of the driven flat filament bar of secondary, drive two grade of ascend and descend nut 5 and 17 liters in two grade of ascend and descend sleeve or fall, drive three grades of driven screw mandrels 23 rotations simultaneously.
During three grades of driven screw mandrels 23 rotations, drive three grades of lifting nuts 7, three grades of jacking sleeves 20,21 liters of bearings or fall the automatic lifting of so final realization microphone automatic hoisting mechanism.
The upper limit device is to be made of the position-limited lever 38 that has elbow, spring 40, spring seat 39 and limit switch 41.
When the elbow of position-limited lever was pushed up in 3 risings of one-level lifting nut, position-limited lever 38 lifted, and limit switch 41 is disconnected, and circuit is cut off.Multistage telescopic elevator mechanism A stops to rise.
Lower retainer is to be made of a position-limited lever 37 and limit switch 36.
When one-level lifting nut 3 descended, when being pressed onto an end of position-limited lever 37, limit switch 36 disconnected, and circuit is cut off, and multistage telescopic elevator mechanism A stops to descend.
In chopped-off head sleeve 8, be provided with the guiding groove 9 of vertical symmetry; In one-level jacking sleeve 10, be provided with the guiding groove 11 of vertical symmetry; In two grade of ascend and descend sleeve 17, be provided with the guiding groove 12 of vertical symmetry.
One-level lifting nut 3 is provided with the guide pad 2 of symmetry; Two grade of ascend and descend nut 5 is provided with the guide pad 4 of symmetry; Three grades of lifting nuts 7 are provided with the guide pad 6 of symmetry.
In chopped-off head socket cover 13, be provided with O-ring seal 14; In one-level socket cover 15, be provided with O-ring seal 16; In two-level sleeve lid 18, be provided with O-ring seal 19.
In the kerve of one-level lifting nut 3, be provided with ball bearing back-up ring 29 and snap ring 31.
In the kerve of two grade of ascend and descend nut 5, be provided with ball bearing back-up ring 26 and snap ring 28.
Claims (9)
1, the microphone apparatus for automatically lifting comprises elevator mechanism, it is characterized in that described elevator mechanism is multistage telescopic elevator mechanism, also is provided with upper limit device and lower retainer in this mechanism.
2, microphone apparatus for automatically lifting according to claim 1, it is characterized in that described multistage telescopic elevator mechanism, by one-level sleeve elevator mechanism, two-level sleeve elevator mechanism, three grades of sleeve elevator mechanisms or form by one-level sleeve elevator mechanism at least; One-level sleeve elevator mechanism, by base, be fixed on chopped-off head sleeve, chopped-off head socket cover in the base, be located at one-level lifting nut in the chopped-off head sleeve, be located at one-level jacking sleeve above the one-level lifting nut, one-level jacking sleeve lid, be that initiatively flat filament bar, the worm gear pair that is connected with one-level active flat filament bar are formed for the one-level of screw pair with the one-level lifting nut; The two-level sleeve elevator mechanism, by be located at two grade of ascend and descend nut in the one-level jacking sleeve, be located at two grade of ascend and descend sleeve above the two grade of ascend and descend nut, the two grade of ascend and descend socket cover, with the two grade of ascend and descend nut be that the driven flat filament bar of secondary of screw pair is formed; Three grades of sleeve elevator mechanisms, by be located at three grades of lifting nuts in the two grade of ascend and descend sleeve, be located at three grades above the lifting nut three grades of jacking sleeves, with three grades of lifting nuts, the three grades of driven screw mandrels that are screw pair, be located at three grades of bearings on the jacking sleeve and form.
3, multistage telescopic elevator mechanism according to claim 2 is characterized in that the driven flat filament bar of described secondary, is provided with the non-full circle hole of two vertical planes in its inner chamber, and its lower end is provided with ball bearing; Described three grades of driven screw mandrels are provided with the non-full circle hole of two vertical planes in its inner chamber, its lower end is provided with ball bearing.
4, multistage telescopic elevator mechanism according to claim 2 is characterized in that described chopped-off head jacking sleeve, is provided with the guiding groove of vertical symmetry on its inwall; Described one-level jacking sleeve is provided with the guiding groove of vertical symmetry on its inwall; Described two grade of ascend and descend sleeve is provided with the guiding groove of vertical symmetry on its inwall.
5, multistage telescopic elevator mechanism according to claim 2 is characterized in that described one-level lifting nut is provided with the guide pad of symmetry; Described two grade of ascend and descend nut is provided with the guide pad of symmetry; Described three grades of lifting nuts are provided with the guide pad of symmetry.
6, microphone apparatus for automatically lifting according to claim 1 is characterized in that described upper limit device, and it is to be made of position-limited lever, spring, spring seat and limit switch that an end has an elbow.
7, microphone apparatus for automatically lifting according to claim 1 is characterized in that described lower retainer, and it is to be made of position-limited lever and limit switch.
8, multistage telescopic elevator mechanism according to claim 2 is characterized in that being provided with seal ring in the described chopped-off head socket cover; Be provided with seal ring in the described one-level socket cover; Be provided with seal ring in the described two-level sleeve lid.
9, multistage telescopic elevator mechanism according to claim 2 is characterized in that being provided with ball bearing back-up ring and snap ring in the kerve of described one-level lifting nut; Be provided with ball bearing back-up ring and snap ring in the kerve of described two grade of ascend and descend nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201234497U CN201277420Y (en) | 2008-10-31 | 2008-10-31 | Automatic elevating gear of microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201234497U CN201277420Y (en) | 2008-10-31 | 2008-10-31 | Automatic elevating gear of microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201277420Y true CN201277420Y (en) | 2009-07-22 |
Family
ID=40895005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201234497U Expired - Lifetime CN201277420Y (en) | 2008-10-31 | 2008-10-31 | Automatic elevating gear of microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201277420Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501164A (en) * | 2011-09-29 | 2012-06-20 | 中国航空工业第六一八研究所 | Stretchable multilevel micrometer polishing tool and polishing method thereof |
| RU2625249C2 (en) * | 2013-04-26 | 2017-07-12 | Альбираль Дисплей Солюшнс, С.Л. | Node of sliding microphone built into desktops |
| CN107215811A (en) * | 2017-06-15 | 2017-09-29 | 孙永 | A kind of lowering or hoisting gear for Medical Devices |
| CN107740921A (en) * | 2017-09-13 | 2018-02-27 | 安徽光华安防电子有限公司 | A kind of motorized adjustment monitoring camera height devices |
| CN109930452A (en) * | 2019-04-16 | 2019-06-25 | 陈建军 | A kind of multistage lifting mechanism and paver |
-
2008
- 2008-10-31 CN CNU2008201234497U patent/CN201277420Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501164A (en) * | 2011-09-29 | 2012-06-20 | 中国航空工业第六一八研究所 | Stretchable multilevel micrometer polishing tool and polishing method thereof |
| RU2625249C2 (en) * | 2013-04-26 | 2017-07-12 | Альбираль Дисплей Солюшнс, С.Л. | Node of sliding microphone built into desktops |
| CN107215811A (en) * | 2017-06-15 | 2017-09-29 | 孙永 | A kind of lowering or hoisting gear for Medical Devices |
| CN107215811B (en) * | 2017-06-15 | 2018-11-09 | 乔文兴 | A kind of lifting gear for Medical Devices |
| CN107740921A (en) * | 2017-09-13 | 2018-02-27 | 安徽光华安防电子有限公司 | A kind of motorized adjustment monitoring camera height devices |
| CN109930452A (en) * | 2019-04-16 | 2019-06-25 | 陈建军 | A kind of multistage lifting mechanism and paver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090722 |