CN203591066U - Rotary directed resetting device - Google Patents
Rotary directed resetting device Download PDFInfo
- Publication number
- CN203591066U CN203591066U CN201320768786.2U CN201320768786U CN203591066U CN 203591066 U CN203591066 U CN 203591066U CN 201320768786 U CN201320768786 U CN 201320768786U CN 203591066 U CN203591066 U CN 203591066U
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- Prior art keywords
- sleeve
- resetting means
- finder
- chair
- spin orientation
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- Expired - Lifetime
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- 230000013011 mating Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 8
- 238000007906 compression Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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Abstract
The utility model discloses a rotary directed resetting device used for connecting and mounting a chair base and a chair underframe, and the device comprises a connecting end board, a pull rod, an orientator, a resetting sleeve, a middle column sleeve, a compression spring and a ring end surface bearing, wherein one end of the pull rod is directionally and fixedly connected with the connecting end board, and the other end of the pull rod is directionally and fixedly connected with the orientator; the resetting sleeve is movably sleeved upon the pull rod; one end of the compression spring is rotationally propped against the connecting end board via the ring end surface bearing, the other end of the compression spring is directly propped against or in indirect incremental launching with the resetting sleeve, and the resetting sleeve is propped against the orientator via helicoids. The chair base can be connected with the chair underframe in a directed resetting manner, when a person sits on the chair to enable the spring to be compressed, a gap is formed between the resetting sleeve and the orientator, and the chair can be rotated. When the person leaves the chair, the resetting sleeve is forced to be clamped with the orientator under the action of the spring and rotates to the tightest state along the helicoids so as to achieve the resetting and orientation.
Description
Technical field
The utility model relates to chair installing area, relates in particular to a kind of chair and connects orienting device.
Background technology
At present, in field of furniture, tables and chairs combined complete is all the version being fixedly connected with, and is arranged on the places such as dining room, dining room, meeting room, auditorium, classroom.Its tables and chairs of tables and chairs combined complete of fixed connection structure share tables and chairs leg, the relative position of chair and desk is fixed, pitch space between chair and desk remains unchanged, cannot adapt to the librarian use of different statures, pregnant woman and overweight people are relatively difficult to sit between the tables and chairs of this definite distance, if tune up the distance between tables and chairs, modest person takes a seat and seems to possess a person and bends over, and feels more uncomfortable.The arrangement form that tables and chairs separate can facilitate the librarian use of different figures, but in disorder unavoidably after using, need to expend many manpowers arranges neat and restores to the original state, arrange the process need wait that expends time in resetting, be difficult to shorten the stand-by period between twice user, as time break, meeting play interval time etc.
Application number is that 201210294763.2 Chinese utility model patent discloses a kind of reducible movable and rotary type seat, carry out directional homing by torsion spring, but thereby torsion spring in use there will be fatigue to cause deviations, after multiple rotary, be difficult to accurate homing, the row's of making chair cannot return proper alignment state.In addition, the general restoring force of torsion spring a little less than, exceed predetermined angle and easily destroyed and cannot produce original turning round to restoring force.The structure that torsion spring resets will be by circling round 360 ° and reset in the other direction after rotation exceedes 360 °.While rotation to other direction, torsion spring is difficult to normal work, need to increase reverse torsion spring and meet the requirement of two-way reset, thereby increases the length of installation shaft, increases cost and installation difficulty.
Summary of the invention
For the deficiencies in the prior art, the technical problems to be solved in the utility model is to provide and a kind ofly makes the automatic slewing of chair in seat suit put neat spin orientation resetting means.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of spin orientation resetting means, be used for being connected and installed seat support and chair underframe, described spin orientation resetting means comprises connection end plate, pull bar, finder, reseting sleeve, middle column sleeve, Compress Spring, ring end face bearing; One end of described pull bar is fixedly connected with the described end plate orientation that is connected, the other end of described pull bar is fixedly connected with described finder orientation, described reseting sleeve is movably set in described pull bar, one end of described Compress Spring is by described ring end face bearing and the described rotatable butt of end plate that is connected, the other end of described Compress Spring and the direct butt of described reseting sleeve or indirectly pushing tow, pass through helicoid butt between described reseting sleeve and described finder.
One as the technical scheme of the utility model spin orientation resetting means is improved, and the bearing surface between described reseting sleeve and described finder is that reverse double-helix combines end face.
One as the technical scheme of the utility model spin orientation resetting means is improved, and the bearing surface between described reseting sleeve and described finder is symmetric helix end face.
One as the technical scheme of the utility model spin orientation resetting means is improved, and the bearing surface between described reseting sleeve and described finder is helical ring end face, and the differential place of described helical ring end face is made as inclination limiting section.
One as the technical scheme of the utility model spin orientation resetting means is improved, and the helicoid of described finder is to be provided with the radially circumferential wavy surface of band.
One as the technical scheme of the utility model spin orientation resetting means is improved, and between described Compress Spring and described ring end face bearing, is provided with meson.
One as the technical scheme of the utility model spin orientation resetting means is improved, described spin orientation resetting means also comprises the adapter sleeve that can be fastenedly connected with described chair underframe and the middle column sleeve that can be fastenedly connected with described seat support, the end, one end of described adapter sleeve is provided with described connection end plate, one end of described middle column sleeve is fixedly connected with described reseting sleeve orientation, the other end of described Compress Spring and described middle column sleeve or reseting sleeve butt.
One as the technical scheme of the utility model spin orientation resetting means is improved, and described adapter sleeve extends and surrounds described spring and the described middle column sleeve of part, and the other end of described adapter sleeve is provided with spacing only cover partially.
One as the technical scheme of the utility model spin orientation resetting means is improved, and described pull bar and described finder are interted and carried out orientation and be fixedly connected with by lateral pin, and described reseting sleeve carries out orientation with described middle column sleeve by side latch and is fixedly connected with.
One as the technical scheme of the utility model spin orientation resetting means is improved, and the end convolution of described pull bar is connected with hexagon slotted nut, and described connection end plate has the counterbore mating with described hexagon slotted nut shape and specification.
The beneficial effects of the utility model are: under the effect of Compress Spring restoring force, force the mutual butt of reseting sleeve and finder, and slide into compact state along helicoid, be that reseting sleeve and finder are axially tightening as the shortest assembled state, be defined as not being subject to the directed connection status of ambient pressure, realize chair and chair underframe orientation.People is sitting on chair, and seat support pressurized forces the contraction distortion of spring pressurized, makes to separate and produce gap between reseting sleeve and finder, now can rotate freely chair.People's egress of chair, under the effect of spring restoring force, force reseting sleeve and finder to clamp each other and along helical rotation to compact state realize reset directed.Rotating chair can order about reseting sleeve and the rotary shifted generation axial displacement of finder pushing tow stage clip and make its compression.Therefore, resetting means can by the orientable reset of seat support be connected in chair underframe, chair is rotatable by compression to lower stress, rotating chair can be pushed spring open.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model spin orientation resetting means embodiment.
Fig. 2 is the cross-sectional view of the embodiment of spin orientation resetting means shown in Fig. 1.
Fig. 3 is the perspective view of orientation assemblies in embodiment.
Fig. 4 is the cross-sectional view of orientation assemblies in embodiment.
Fig. 5 is the perspective view of finder in embodiment.
The specific embodiment
Further illustrate the specific embodiment of the present utility model below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, a kind of spin orientation resetting means of the utility model, be used for being connected and installed seat support and chair underframe 58, described spin orientation resetting means comprises connection end plate 62, pull bar 86, finder 80, reseting sleeve 82, middle column sleeve 88, Compress Spring 66, ring end face bearing 65; One end of described pull bar 86 is fixedly connected with described end plate 62 orientations that are connected, the other end of described pull bar 86 is fixedly connected with described finder 80 orientations, described reseting sleeve 82 is movably set in described pull bar 86, one end of described Compress Spring 66 is by described ring end face bearing 65 and the described rotatable butt of end plate 62 that is connected, the other end of described Compress Spring 66 and the direct butt of described reseting sleeve 82 or indirectly pushing tow, pass through helicoid 84 butts between reseting sleeve 82 and finder 80.Reseting sleeve 82 can be with reference to shown in figure 3, Fig. 4 with the decomposing state that docks of finder 80.Under Compress Spring 66 restoring force effects, force reseting sleeve 82 and the mutual butt of finder 80, and slide into compact state along helicoid, be that reseting sleeve 82 is axially tightening as the shortest assembled state with finder 80, be defined as not being subject to the directed connection status of ambient pressure, realize chair and chair underframe 58 orientations.People is sitting on chair, and seat support pressurized forces the contraction distortion of spring pressurized, makes to separate and produce gap between reseting sleeve 82 and finder 80, now can rotate freely chair.People's egress of chair, under the effect of spring restoring force, force reseting sleeve and finder 80 to clamp each other and along spiral move to compact state realize reset directed.Rotating chair can order about reseting sleeve 82 and make its compression with the rotary shifted generation axial displacement of finder 80 pushing tow stage clip.Therefore, resetting means can by the orientable reset of seat support be connected in chair underframe, chair is rotatable by compression to lower stress, rotating chair can be pushed spring open.
More preferably, bearing surface between described reseting sleeve 82 and finder 80 is reverse double-helix combination end face, butt makes can coincide between reseting sleeve 82 and finder 80, do not stay each other gap to form oriented structure, rotate one of them member (reseting sleeve or finder), under the driving of helicoid, reseting sleeve 82 produces axial displacement compression press spring each other with finder 80, and stage clip restoring force forces chair to reply original alignment state.
More preferably, shown in figure 3, Fig. 4, Fig. 5, the bearing surface between described reseting sleeve 82 and described finder 80 is symmetric helix end face, two to rotation all can and smooth and easy equally.Figure 5 shows that the stereochemical structure of the finder 80 with symmetric helix face.
More preferably, the bearing surface between described reseting sleeve 82 and described finder 80 is helical ring end face, and the differential place of described helical ring end face is made as inclination limiting section, thereby can single direction rotation chair, rotate through 360 ° after rebound orienting station automatically.
More preferably, the helicoid of described finder 80 is to be provided with the radially circumferential wavy surface of band, reduces friction and makes rotation more smooth and easy.
More preferably, between described Compress Spring 66 and described ring end face bearing, be provided with meson 68, stage clip 66 can be rotated in the lump with chair, prevent spring produce turn round to restoring force, the people of seat can not felt and give comfortable sensation by obvious restoring force, chair is turned to smooth and easy.
More preferably, described spin orientation resetting means also comprises the adapter sleeve 60 that can be fastenedly connected with described chair underframe and the middle column sleeve 88 that can be fastenedly connected with described seat support, the end, one end of described adapter sleeve 60 is provided with described connection end plate 62 and forms the end that closes up, one end of described middle column sleeve 88 is fixedly connected with described reseting sleeve 82 orientations, the other end of described Compress Spring 66 and described middle column sleeve 88 or reseting sleeve 82 butts, the seat support grafting tight fit connection of middle column sleeve 88 and chair, adapter sleeve 60 and chair underframe grafting tight fit connection, thereby realizing orientable reset between seat support and chair underframe is connected.
More preferably, described adapter sleeve 60 extends and surrounds described Compress Spring 66 and the described middle column sleeves 88 of part, and the other end of described adapter sleeve 60 is openend and is provided with spacing only cover 89 partially, and centering column sleeve 88 is encircled support, forms stable syndeton.
More preferably, described pull bar 86 and described finder 80 are interted and are carried out orientation and be fixedly connected with by lateral pin 81, be fixedly connected with, and then realize orientation between finder 80 and chair underframe and be fixedly connected with thereby realize orientation between finder 80 and adapter sleeve 60; Described reseting sleeve 82 carries out orientation with described middle column sleeve 88 by side latch and is fixedly connected with, and then guarantees directed connection between reseting sleeve 82 and seat support.
More preferably, the end convolution of described pull bar 86 is connected with hexagon slotted nut 63, and described connection end plate has the counterbore 64 mating with described hexagon slotted nut 63 shapes and specification, guarantees nut and is connected directed spline connection between end plate 62.Slotted nut 63 can insert in the reserved cross-drilled hole of latch and pull bar to guarantee directed connection between slotted nut 63 and pull bar 86, and then assurance pull bar 86 and adapter sleeve 60 and be connected orientation between end plate 62 and be fixedly connected with.
Above disclosed is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (10)
1. a spin orientation resetting means, for being connected and installed seat support and chair underframe, is characterized in that: described spin orientation resetting means comprises connection end plate, pull bar, finder, reseting sleeve, middle column sleeve, Compress Spring, ring end face bearing; One end of described pull bar is fixedly connected with the described end plate orientation that is connected, the other end of described pull bar is fixedly connected with described finder orientation, described reseting sleeve is movably set in described pull bar, one end of described Compress Spring is by described ring end face bearing and the described rotatable butt of end plate that is connected, the other end of described Compress Spring and the direct butt of described reseting sleeve or indirectly pushing tow, pass through helicoid butt between described reseting sleeve and described finder.
2. spin orientation resetting means according to claim 1, is characterized in that: the bearing surface between described reseting sleeve and described finder is reverse double-helix combination end face.
3. spin orientation resetting means according to claim 2, is characterized in that: the bearing surface between described reseting sleeve and described finder is symmetric helix end face.
4. spin orientation resetting means according to claim 1, is characterized in that: the bearing surface between described reseting sleeve and described finder is helical ring end face, and the differential place of described helical ring end face is made as inclination limiting section.
5. spin orientation resetting means according to claim 1, is characterized in that: the helicoid of described finder is to be provided with the radially circumferential wavy surface of band.
6. spin orientation resetting means according to claim 1, is characterized in that: between described Compress Spring and described ring end face bearing, be provided with meson.
7. spin orientation resetting means according to claim 1, it is characterized in that: described spin orientation resetting means also comprises the adapter sleeve that can be fastenedly connected with described chair underframe and the middle column sleeve that can be fastenedly connected with described seat support, the end, one end of described adapter sleeve is provided with described connection end plate, one end of described middle column sleeve is fixedly connected with described reseting sleeve orientation, the other end of described Compress Spring and described middle column sleeve or reseting sleeve butt.
8. spin orientation resetting means according to claim 7, is characterized in that: described adapter sleeve extends the described spring of encirclement and the described middle column sleeve of part, and the other end of described adapter sleeve is provided with spacing only inclined to one side cover.
9. according to the spin orientation resetting means described in claim 7 or 8, it is characterized in that: described pull bar and described finder are interted and carried out orientation and be fixedly connected with by lateral pin, and described reseting sleeve carries out orientation with described middle column sleeve by side latch and is fixedly connected with.
10. spin orientation resetting means according to claim 1, is characterized in that: the end convolution of described pull bar is connected with hexagon slotted nut, described connection end plate has the counterbore mating with described hexagon slotted nut shape and specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320768786.2U CN203591066U (en) | 2013-11-29 | 2013-11-29 | Rotary directed resetting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320768786.2U CN203591066U (en) | 2013-11-29 | 2013-11-29 | Rotary directed resetting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203591066U true CN203591066U (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320768786.2U Expired - Lifetime CN203591066U (en) | 2013-11-29 | 2013-11-29 | Rotary directed resetting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203591066U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290875A (en) * | 2014-10-09 | 2015-01-21 | 江阴市滨江舰船设备有限公司 | Rotary dining chair for boat |
| CN108939718A (en) * | 2018-09-05 | 2018-12-07 | 苏州市春菊电器有限公司 | A kind of filter core mounting structure |
| CN113415333A (en) * | 2021-06-22 | 2021-09-21 | 南京邮电大学 | Novel rotary reset multilayer article placing vertical rod device and application |
-
2013
- 2013-11-29 CN CN201320768786.2U patent/CN203591066U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290875A (en) * | 2014-10-09 | 2015-01-21 | 江阴市滨江舰船设备有限公司 | Rotary dining chair for boat |
| CN108939718A (en) * | 2018-09-05 | 2018-12-07 | 苏州市春菊电器有限公司 | A kind of filter core mounting structure |
| CN113415333A (en) * | 2021-06-22 | 2021-09-21 | 南京邮电大学 | Novel rotary reset multilayer article placing vertical rod device and application |
| CN113415333B (en) * | 2021-06-22 | 2022-04-01 | 南京邮电大学 | Novel rotary reset multilayer article placing vertical rod device and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190919 Address after: 528000 Longgaoludungen Development Zone, Jiujiang Town, Foshan City, Guangdong Province Patentee after: Nanhai District of Foshan City Fang Fang Furniture Manufacturing Co., Ltd. Address before: 528203 Guangdong Province Nanhai District of Foshan City, Jiujiang Longgao highway, root development zone name furniture manufacturing Co. Patentee before: Li Wu Zhen |
|
| TR01 | Transfer of patent right |