CN204363471U - Adjustable seat armrest - Google Patents
Adjustable seat armrest Download PDFInfo
- Publication number
- CN204363471U CN204363471U CN201420868157.1U CN201420868157U CN204363471U CN 204363471 U CN204363471 U CN 204363471U CN 201420868157 U CN201420868157 U CN 201420868157U CN 204363471 U CN204363471 U CN 204363471U
- Authority
- CN
- China
- Prior art keywords
- rack
- gear
- pinion group
- gear shaft
- pinion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The utility model discloses a kind of adjustable seat armrest, its drip irrigation device is: comprise balustrade panel and hollow bracing frame, governor motion is provided with in support frame as described above, described governor motion comprises the first rack-and-pinion group and the second rack-and-pinion group, the inner both sides of support frame as described above arrange the chute slided for tooth bar, described gear is all fixedly connected with gear shaft, support frame as described above offers opening, described gear shaft all extends to outside bracing frame through opening, the gear shaft of described first rack-and-pinion group can move axially along gear shaft, the tooth bar length of the first rack-and-pinion group is greater than the gear width sum of two rack-and-pinion groups, the tooth bar of two gear trains is hinged with the two ends of balustrade panel respectively, described gear shaft all circumference can rotate or fix, by engaging or be separated the gear of two rack-and-pinion groups, adjust the first rack-and-pinion group and the interlock of the second rack-and-pinion group or the first rack-and-pinion group and the second rack-and-pinion group independent operation.
Description
Technical field
The utility model relates to a kind of handrail, is specifically related to a kind of adjustable seat armrest.
Background technology
Handrail is used to keep one's balance or the beam of body support or handle, and conventional on chair, now general armrests is all fixedly mounted on chair, can not realize regulating.
At present, application number is that the Chinese patent of CN201320682303.7 discloses a kind of adjustable seat armrest, comprise bracing frame and be located at the installing plate on bracing frame, elevating mechanism is provided with in support frame as described above, described elevating mechanism comprises housing, described housing and bracing frame removably connect, tooth bar is provided with in described housing, fixture block, elastic component and push rod, described tooth bar be arranged in bracing frame with housing and one end be fixedly connected with installing plate, in the middle part of described fixture block and housing hinge, described push rod be arranged in housing and one end and fixture block hinged, on described fixture block, corresponding tooth bar side is provided with the projection for blocking tooth bar, to being provided with elastic component between the opposite side of the relative tooth bar of described projection and housing, this adjustable seat armrest drives installing plate to be elevated mainly through the mode of rack-and-pinion, but this handrail only can carry out oscilaltion, can not carry out tilt adjustments, and making to go smoothly, it is more comfortable to be placed on handrail.
Utility model content
For the deficiency that prior art exists, the utility model provides a kind of adjustable seat armrest that not only can be elevated but also can adjust angle of inclination.
For achieving the above object, the utility model provides following technical scheme: a kind of adjustable seat armrest, comprise balustrade panel and hollow bracing frame, governor motion is provided with in support frame as described above, described governor motion comprises the first rack-and-pinion group and the second rack-and-pinion group, the inner both sides of support frame as described above arrange the chute slided for tooth bar, described gear is all fixedly connected with gear shaft, support frame as described above offers opening, described gear shaft all extends to outside bracing frame through opening, the gear shaft of described first rack-and-pinion group can move axially along gear shaft, the tooth bar length of the first rack-and-pinion group is greater than the gear width sum of two rack-and-pinion groups, the gear of described first rack-and-pinion group coordinates when linking with the gear of the second rack-and-pinion group, the tooth bar of described first rack-and-pinion group and the second rack-and-pinion group links in the same way, when the gear of described first rack-and-pinion group separates with the second rack-and-pinion group, the first rack-and-pinion group and the second rack-and-pinion group independent operation, the tooth bar of two gear trains is hinged with the two ends of balustrade panel respectively, and described gear shaft all circumference can rotate or fix.
By adopting technique scheme, the gear of described first rack-and-pinion group coordinates when linking with the gear of the second rack-and-pinion group, the tooth bar of described first rack-and-pinion group and the second rack-and-pinion group links in the same way, now the tooth bar of two gear trains engages each other, and gear engages each other with tooth bar respectively, only need by rotating one of them gear shaft, because gear shaft is fixedly connected with gear, therefore driven gear interlock, this gear movement is with carry-over bar to move in the same way simultaneously, because the tooth bar of two gear trains is hinged with the two ends of balustrade panel respectively, now can the upper-lower position of adjustable handrail plate, after the gear shaft of the first rack-and-pinion group in axial direction moves, make two gears separately, the first rack-and-pinion group and the second rack-and-pinion group work alone, respectively the angle of inclination of turning gear wheel shaft adjustable handrail.
The utility model is set to further, described gear shaft stretches out one end connection fixing block of opening, described fixed block offers tapped through hole, in described tapped through hole, threaded rod is set, described threaded rod can threadingly be offered direction and moves by through hole, and when described threaded rod abuts bracing frame lateral wall, gear shaft is fixed.
By adopting technique scheme, being fixed by threaded rod or unclamping gear shaft with coordinating of tapped through hole, when threaded rod abuts bracing frame lateral wall, gear shaft is fixed; When threaded rod does not contact bracing frame lateral wall, gear shaft is fixed.
The utility model is set to further, and described opening is through hole, and described hole size and gear shaft size match.
By adopting technique scheme, hole size and gear shaft size match and can prevent gear from radially moving, and make rack and pinion engagement tight, there will not be idler gear, this is rational in infrastructure, simple and practical.
The utility model is set to further, and described through hole is provided with some grooves, and described gear shaft is provided with mating mark, and when the corresponding groove arbitrarily of mating mark, the gear of two gear trains is engageable.
By adopting technique scheme, by arranging groove and mating mark, facilitate the gear of two groups of rack-and-pinion groups rapid adjustment can realize engagement after isolation.
The utility model is set to further, and described first rack-and-pinion group and the second rack-and-pinion group are symmetrical arranged in bracing frame.
By adopting technique scheme, the first rack-and-pinion group and the second rack-and-pinion group are symmetrical arranged in bracing frame, compact conformation, and due to part identical, convenient to replace.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model adjustable seat armrest;
Fig. 2 be the utility model adjustable seat armrest face cut-away view;
Fig. 3 be a kind of duty of the utility model adjustable seat armrest overlook cut-away view;
Fig. 4 be the another kind of duty of the utility model adjustable seat armrest overlook cut-away view.
Reference numeral: 1, balustrade panel; 2, bracing frame; 21, through hole; 211, groove; 22, chute; 3, the first rack-and-pinion group; 31, the first gear; 32, the first tooth bar; 4, the second rack-and-pinion group; 41, the second gear; 42, the second tooth bar; 51, the first gear shaft; 52, the second gear shaft; 53, fixed block; 6, threaded rod.
Detailed description of the invention
Referring to figs. 1 through Fig. 4, the utility model adjustable seat armrest embodiment is described further.
A kind of adjustable seat armrest, comprise balustrade panel 1 and hollow bracing frame 2, governor motion is provided with in support frame as described above 2, described governor motion comprises the first rack-and-pinion group 3 and the second rack-and-pinion group 4, first rack-and-pinion group 3 comprises the first gear 31 and the first tooth bar 32, second rack-and-pinion group 4 comprises the second gear 41 and the second tooth bar 42, the inner both sides of support frame as described above 2 arrange the chute 22 slided for tooth bar, described gear is all fixedly connected with (welding) gear shaft, first gear 31 connects the first gear shaft 51, second gear 41 connects the first gear shaft 52, support frame as described above 2 offers opening, described gear shaft all extends to outside bracing frame 2 through opening, described first gear shaft 51 can move axially along gear shaft, first tooth bar 32 length is greater than the first gear 31 width and the second gear 41 width sum, described first gear 31 coordinates when linking with the second gear 41, described first tooth bar 32 and the second tooth bar 42 link in the same way, when described first gear 31 separates with the second gear 41, the first rack-and-pinion group 3 and the second rack-and-pinion group 4 independent operation, the tooth bar of two gear trains is hinged with the two ends of balustrade panel 1 respectively, and described gear shaft all circumference can rotate or fix.
Further, described gear shaft stretches out one end connection fixing block 53 of opening, this fixed block 53 can be one-body molded with gear shaft, form a L-type gear shaft, described fixed block 53 offers tapped through hole 21, and arrange threaded rod 6 in described tapped through hole 21, threaded rod 6 directly can select bolt, described threaded rod 6 can threadingly be offered direction and moves by through hole 21, and when described threaded rod 6 abuts bracing frame 2 lateral wall, gear shaft is fixed; Fixed by threaded rod 6 with coordinating of tapped through hole 21 or unclamp gear shaft, when threaded rod 6 abuts bracing frame 2 lateral wall, gear shaft is fixed; When threaded rod 6 does not contact bracing frame 2 lateral wall, gear shaft is fixed, and fixed block 53 also can use as handwheel, convenient rotation.
Further, described opening is through hole 21, and described through hole 21 size and gear shaft size match, and namely through hole 21 is circular port, and through hole 21 diameter is identical with gear shaft diameter; Through hole 21 size and gear shaft size match and can prevent gear from radially moving, and make rack and pinion engagement tight, there will not be idler gear, this is rational in infrastructure, simple and practical.
Further, described through hole 21 place is provided with some grooves 211, and described gear shaft is provided with mating mark, and when the corresponding groove 211 arbitrarily of mating mark, the gear of two gear trains is engageable; By arranging groove 211 and mating mark, facilitate the gear of two groups of rack-and-pinion groups rapid adjustment can realize engagement after isolation.
Further, the first rack-and-pinion group 3 and the second rack-and-pinion group 4 are symmetrical arranged in bracing frame 2, compact conformation, and due to part identical, convenient to replace.
Duty: as shown in Figure 3, now the first gear 31 is meshed with the second gear 41, and the first gear 31 and the first tooth bar 32, second gear 41 and the second tooth bar 42 are meshed, only the first gear shaft 51 or the first gear shaft 52, i.e. height of adjustable armrest plate 1 need be rotated; Promoting the first gear shaft 51 makes the first gear 31 be separated with the second gear 41, as shown in Figure 4, but now the first gear 31 and the first tooth bar 32, second gear 41 and the second tooth bar 42 are still meshed, just, two are in the state of working alone, and need to rotate respectively the first gear shaft 51 and the first gear shaft 52 to adjust the angle of inclination of balustrade panel 1; When needs reset time, rotate any one groove 211 in mating mark (not shown) aligned through holes 21 that the first gear shaft 51 makes on the first gear shaft 51, same method adjusts the first gear shaft 52, back pulls the first gear shaft 51 that the first gear 31 and the second gear 41 can be made again to engage (groove 211 and mating mark are arranged according to after gears meshing angle calculation).
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. an adjustable seat armrest, comprise balustrade panel and hollow bracing frame, it is characterized in that: in support frame as described above, be provided with governor motion, described governor motion comprises the first rack-and-pinion group and the second rack-and-pinion group, the inner both sides of support frame as described above arrange the chute slided for tooth bar, described gear is all fixedly connected with gear shaft, support frame as described above offers opening, described gear shaft all extends to outside bracing frame through opening, the gear shaft of described first rack-and-pinion group can move axially along gear shaft, the tooth bar length of the first rack-and-pinion group is greater than the gear width sum of two rack-and-pinion groups, the gear of described first rack-and-pinion group coordinates when linking with the gear of the second rack-and-pinion group, the tooth bar of described first rack-and-pinion group and the second rack-and-pinion group links in the same way, when the gear of described first rack-and-pinion group separates with the second rack-and-pinion group, the first rack-and-pinion group and the second rack-and-pinion group independent operation, the tooth bar of two gear trains is hinged with the two ends of balustrade panel respectively, and described gear shaft all circumference can rotate or fix.
2. adjustable seat armrest according to claim 1, it is characterized in that: described gear shaft stretches out one end connection fixing block of opening, described fixed block offers tapped through hole, in described tapped through hole, threaded rod is set, described threaded rod can threadingly be offered direction and moves by through hole, and when described threaded rod abuts bracing frame lateral wall, gear shaft is fixed.
3. adjustable seat armrest according to claim 1, is characterized in that: described opening is through hole, and described hole size and gear shaft size match.
4. adjustable seat armrest according to claim 3, is characterized in that: described through hole is provided with some grooves, and described gear shaft is provided with mating mark, and when the corresponding groove arbitrarily of mating mark, the gear of two rack-and-pinion groups is engageable.
5. adjustable seat armrest according to claim 1, is characterized in that: described first rack-and-pinion group and the second rack-and-pinion group are symmetrical arranged in bracing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868157.1U CN204363471U (en) | 2014-12-31 | 2014-12-31 | Adjustable seat armrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868157.1U CN204363471U (en) | 2014-12-31 | 2014-12-31 | Adjustable seat armrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204363471U true CN204363471U (en) | 2015-06-03 |
Family
ID=53319734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420868157.1U Expired - Fee Related CN204363471U (en) | 2014-12-31 | 2014-12-31 | Adjustable seat armrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204363471U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110833280A (en) * | 2019-11-22 | 2020-02-25 | 东莞市星火齿轮有限公司 | Rotary type automatic lifting handrail |
| CN112781501A (en) * | 2020-12-24 | 2021-05-11 | 王飞 | Bridge displacement measuring device is used in traffic construction bridge construction |
| CN117643524A (en) * | 2024-01-30 | 2024-03-05 | 杭州德晋医疗科技有限公司 | Valve clasper system with coordinated control |
-
2014
- 2014-12-31 CN CN201420868157.1U patent/CN204363471U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110833280A (en) * | 2019-11-22 | 2020-02-25 | 东莞市星火齿轮有限公司 | Rotary type automatic lifting handrail |
| CN112781501A (en) * | 2020-12-24 | 2021-05-11 | 王飞 | Bridge displacement measuring device is used in traffic construction bridge construction |
| CN117643524A (en) * | 2024-01-30 | 2024-03-05 | 杭州德晋医疗科技有限公司 | Valve clasper system with coordinated control |
| CN117643524B (en) * | 2024-01-30 | 2024-07-02 | 杭州德晋医疗科技有限公司 | Valve clasper system with coordinated control |
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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: 20150603 Termination date: 20171231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |