CN204124178U - A kind of Back of perambulator angle adjusting mechanism - Google Patents
A kind of Back of perambulator angle adjusting mechanism Download PDFInfo
- Publication number
- CN204124178U CN204124178U CN201420569734.7U CN201420569734U CN204124178U CN 204124178 U CN204124178 U CN 204124178U CN 201420569734 U CN201420569734 U CN 201420569734U CN 204124178 U CN204124178 U CN 204124178U
- Authority
- CN
- China
- Prior art keywords
- backrest
- connecting rod
- perambulator
- adjusting mechanism
- cover plate
- 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 - Lifetime
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- 238000000034 method Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a kind of Back of perambulator angle adjusting mechanism, comprise backrest and the pillar being positioned at backrest back, the lower end of backrest is hinged on pillar, connected by a connecting rod between described backrest upper end and pillar, wherein one end of connecting rod is hinged on described backrest upper end, the other end can be slided along pillar by a sliding sleeve, arranges stop gear and slide with limiting rod between connecting rod and sliding sleeve.Carry out the slip of control link in the mode of spacing preiection and spacing cooperation and fix in the utility model, also very convenient during operation, press hand push button can easily to slide sliding sleeve drivening rod, and slide link mode adjusting angle of backrest can realize step-less adjustment theoretically, user can find the most satisfied backrest angle.
Description
Technical field
The utility model relates to perambulator accessory, specifically refers to a kind of Back of perambulator angle adjusting mechanism.
Background technology
In order to make children take perambulator comfort level, existing Back of perambulator all can regulate angle of inclination mostly.Wherein comparatively traditional design is if application number is for being that the mode that gear coordinates carries out adjusting disclosed in 201420017770.2 Chinese patents being called Back of perambulator, backrest is driven to rotate with the angle of inclination adjusting backrest by swing pinion, but this regulating mechanism is in order to ensure structural strength, complicated at design comparison, when rotating, gears meshing needs larger strength also can send certain noise simultaneously.So, the Chinese patent of the adjustable perambulator of a kind of backrest discloses another angle adjusting mechanism to have application number 201220037545.6 to be called, this regulating mechanism improves on stop gear, but be only only applicable to four-wheel perambulator, also for ease of proof strength simultaneously, its structure does not still depart from gear cooperation, still comparatively complicated yet.
Utility model content
The purpose of this utility model is to provide a kind of Back of perambulator angle adjusting mechanism, and while guarantee firmness, the facility also having structural simplification concurrently and use, realizes the angular adjustment of Back of perambulator.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of Back of perambulator angle adjusting mechanism, comprise backrest and the pillar being positioned at backrest back, the lower end of backrest is hinged on pillar, connected by a connecting rod between described backrest upper end and pillar, wherein one end of connecting rod is hinged on described backrest upper end, and the other end can be slided along pillar by a sliding sleeve, arranges stop gear and slide with limiting rod between connecting rod and sliding sleeve.When sliding sleeve slides along pillar, intersecting angle between connecting rod and pillar changes thereupon, and then drive backrest to follow connecting rod rotate around the lower end of himself thus change the angle of inclination of backrest, when angular adjustment is slided and then the rotation of restriction backrest to limited location mechanism limiting rod during correct position.
As preferably, described sliding sleeve is socketed on described pillar, its one side towards described connecting rod arranges the connecting portion of protrusion, it is interior and hinged with connecting portion that described connecting rod stretches into described connecting portion, described connecting portion arranges spacing hole, suitable, described connecting rod is arranged and can depart from the spacing preiection of spacing hole by Non-follow control.When spacing preiection departs from from spacing hole, connecting rod can continue to slide along pillar, and then continues the angle of adjustment backrest.
As preferably, the end, one end of described connecting rod is the cylinder of hollow, cylindrical two ends are by cover plate bedding, cylinder inside arranges a springing and props up cover plate, cover plate is arranged described spacing preiection and hand push button, described connecting portion is made up of the connecting strap of two symmetries be installed on described sliding sleeve, and connecting strap is provided with the spacing hole corresponding with described spacing preiection and hand push button and button hole, press hand push button, spacing preiection departs from from spacing hole.
As preferably, described hand push button is positioned at the center of cover plate, and described spacing preiection at least one and concentric circles are distributed on described cover plate.Hand push button itself at cover plate center so do not affect the matching relationship between connecting rod and pillar, spacing preiection can more at most adjustment process in can ensure spacing after guarantee spacing hole and spacing preiection between matching relationship enough firm.
As preferably, described spacing preiection is all near the periphery wall of cover plate.Quantity and the position of spacing preiection then can be more reasonably set the closer to periphery wall.
As preferably, described spacing hole has at least four.Spacing hole can carry out spacing more at most more accurately.
As preferably, described springing is spring.
As preferably, described cylinder inwall is provided with guiding raised line, and described cover plate is provided with direction recess, and cover plate slides along guiding raised line.Guiding raised line and direction recess cooperation can make cover plate in moving process, there will not be rotation to facilitate manual control.
As preferably, below described connecting rod and backrest hinged place, be provided with the boss rotated from the limiting rod of backrest projection.
After adopting technique scheme, the utility model has following outstanding advantages: the pattern driving backrest to rotate with rod slide is to regulate the angle of inclination of backrest, be actually with backrest, connecting rod and support column type triangularity structure, triangle is as the most stable planar geometry, only when while occur slide, just can affect the value of three interior angles, therefore the utility model is adopted, good firmness has been possessed in structure, as long as control link slides simultaneously, the stop gear adopted can be fairly simple, carry out the slip of control link in the mode of spacing preiection and spacing cooperation and fix in the utility model, also very convenient during operation, press hand push button can easily to slide sliding sleeve drivening rod, and slide link mode adjusting angle of backrest can realize step-less adjustment theoretically, user can find the most satisfied backrest angle.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further:
Fig. 1 is the utility model decomposition texture schematic diagram;
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model connecting rod and sliding sleeve;
Fig. 3 is the cutaway view that the utility model backrest is connected with connecting rod;
Fig. 4 is one of the utility model using state figure;
Fig. 5 is the utility model using state figure bis-.
Detailed description of the invention
See Fig. 1, a kind of exploded drawings of Back of perambulator angle adjusting mechanism, in order to show the present embodiment structure further, also will see Fig. 2, because therefore the miscellaneous part of perambulator and the utility model scheme relation not quite all do not draw in the present embodiment, in the present embodiment, alleged orientation is up and down the situation in using so that perambulator is actual simultaneously, the present embodiment Back of perambulator angle adjusting mechanism comprises backrest 1 and is positioned at the pillar 2 at backrest back, pillar 2 is as a part for perambulator support, general toy tricycle all possesses, certainly four-wheel perambulator is also applicable to, the lower end of described backrest 1 is hinged on pillar 2, in the present embodiment, present pillar is provided with rotating combination hub 5, backrest 1 patches is convenient to dismounting on combination hub 5.Connected by a connecting rod 3 between described backrest 1 upper end and pillar 2, wherein one end of connecting rod 3 is hinged on described backrest 1 upper end, the other end can be slided along pillar 2 by a sliding sleeve 4, arranges stop gear and slide with limiting rod 3 between connecting rod 3 and sliding sleeve 4.By Fig. 1 or Fig. 3, can see that backrest 1, pillar 2 and connecting rod 3 define a leg-of-mutton structure, with further reference to Fig. 4 and Fig. 5, when sliding sleeve 4 slides along pillar 2, intersecting angle between connecting rod 3 and pillar 2 changes thereupon, each interior angle of triangle also will change naturally, means that backrest 1 follows connecting rod rotate around the lower end of himself thus change the angle of inclination of backrest 1, when angular adjustment is rotated to being slided by stop gear limiting rod and then limit backrest 1 during correct position.
Below by Fig. 1 and Fig. 2, stop gear described in the present embodiment is described in detail, stop gear is between connecting rod 3 and sliding sleeve 4, described sliding sleeve 4 is socketed on described pillar 2, its one side towards described connecting rod 3 arranges the connecting portion 41 of protrusion, this connecting portion is in fact also the position of stop gear, it is interior and hinged with connecting portion 41 that described connecting rod 3 stretches into described connecting portion 41, described connecting portion 41 arranges spacing hole 42, suitable, described connecting rod 3 is arranged and can depart from the spacing preiection 31 of spacing hole 42 by Non-follow control, described stop gear is just constituted by spacing hole 42 and spacing preiection 31.
As further optimization, the end, one end of described connecting rod 3 is the cylinder of hollow, cylindrical two ends are by cover plate 32 bedding, cylinder inside arranges a springing and props up cover plate 32, springing described is in the present embodiment preferably spring 34, cover plate 32 is arranged described spacing preiection 31 and hand push button 33, described connecting portion 41 is made up of the connecting strap of two symmetries be installed on described sliding sleeve, as described above, connecting rod 3 to stretch between two connecting straps and has clamped by two connecting straps, connecting strap is provided with the spacing hole 42 corresponding with described spacing preiection 31 and hand push button 33 and button hole 43, press hand push button 33, spacing preiection 31 departs from from spacing hole 42.
As optimization, described hand push button 33 is positioned at the center of cover plate 32, and described spacing preiection at least one and concentric circles are distributed on described cover plate.Conveniently use, hand push button 33 is higher than spacing preiection 31, press hand push button 33, spacing preiection 31 departs from from spacing hole 42, but hand push button 33 does not depart from from button hole 43, and hand push button 33 is also circular design, is positioned at the center of cover plate 32 in fact as connecting rod 3 rotating shaft, can simplified structure, also can not affect connecting rod 3 and rotate.
Described spacing preiection 31 is all near the periphery wall of cover plate 32.As preferably, described spacing hole has at least four.The distribution of spacing preiection 31 and spacing hole 42 determines the spacing accuracy to connecting rod 3, because in sliding process, connecting rod 3 can rotate, by the time when user has found suitable angle to stop slip unclamping hand push button, spacing preiection 31 and spacing hole 42 not necessarily can accurately to jails, if do not slide to jail with regard to needs are little again, like this, just to need spacing preiection 31 toward the periphery wall of cover plate 32 near just having enough positions with the spacing preiection 31 distributing abundant, certain is also the same for spacing hole 42 principle, only has the abundant sufficiently high spacing accuracy of spacing hole 42 guarantee, spacing preiection 31 quantity number then can affect and coordinate firmness between its with spacing hole 42.
In the present embodiment, to rotate together along with connecting rod 3 to prevent cover plate 32 thus affect spacing, described cylinder inwall is provided with guiding raised line 35, described cover plate is provided with direction recess 36, cover plate 32 slides along guiding raised line 35, guiding raised line 35 is set certainly and direction recess 36 is in fact also carried out overturning restriction to cover plate 32, prevents it from occurring rocking.
As shown in Figure 3, the boss 11 rotated from the limiting rod 3 of backrest 1 projection is provided with below described connecting rod 3 and backrest 1 hinged place.Arranging boss 11 is rotational angles in order to limit connection 3, because as can be seen from Fig. 4 and Fig. 5, just can realize from maximum intersecting angle to minimum intersecting angle, in order to rock-steady structure arranges boss 11 as long as connecting rod 3 slides along pillar 2 one directions.
In a word, therefore triangular structure is adopted, this example has possessed good firmness in structure, as long as control link 3 slides simultaneously, the stop gear adopted can be fairly simple, the slip of control link and fixing is carried out in the mode of spacing preiection and spacing cooperation in the utility model, also very convenient during operation, press hand push button and can easily to slide sliding sleeve drivening rod.
Except above preferred embodiment, the utility model also has other embodiment, those skilled in the art can make various change and distortion according to the utility model, only otherwise depart from spirit of the present utility model, all should belong to the scope that the utility model claims define.
Claims (9)
1. a Back of perambulator angle adjusting mechanism, comprise backrest and the pillar being positioned at backrest back, the lower end of backrest is hinged on pillar, it is characterized in that: connected by a connecting rod between described backrest upper end and pillar, wherein one end of connecting rod is hinged on described backrest upper end, the other end can be slided along pillar by a sliding sleeve, arranges stop gear and slide with limiting rod between connecting rod and sliding sleeve.
2. Back of perambulator angle adjusting mechanism according to claim 1, it is characterized in that: described sliding sleeve is socketed on described pillar, its one side towards described connecting rod arranges the connecting portion of protrusion, it is interior and hinged with connecting portion that described connecting rod stretches into described connecting portion, described connecting portion arranges spacing hole, suitable, described connecting rod is arranged and can depart from the spacing preiection of spacing hole by Non-follow control.
3. Back of perambulator angle adjusting mechanism according to claim 2, it is characterized in that: the end, one end of described connecting rod is the cylinder of hollow, cylindrical two ends are by cover plate bedding, cylinder inside arranges a springing and props up cover plate, cover plate is arranged described spacing preiection and hand push button, described connecting portion is made up of the connecting strap of two symmetries be installed on described sliding sleeve, connecting strap is provided with the spacing hole corresponding with described spacing preiection and hand push button and button hole, press hand push button, spacing preiection departs from from spacing hole.
4. Back of perambulator angle adjusting mechanism according to claim 3, is characterized in that: described hand push button is positioned at the center of cover plate, and described spacing preiection at least one and concentric circles are distributed on described cover plate.
5. Back of perambulator angle adjusting mechanism according to claim 4, is characterized in that: described spacing preiection is all near the periphery wall of cover plate.
6. Back of perambulator angle adjusting mechanism according to claim 5, is characterized in that: described spacing hole has at least four.
7. Back of perambulator angle adjusting mechanism according to claim 3, is characterized in that: described springing is spring.
8. Back of perambulator angle adjusting mechanism according to claim 3, is characterized in that: described cylinder inwall is provided with guiding raised line, and described cover plate is provided with direction recess, and cover plate slides along guiding raised line.
9. Back of perambulator angle adjusting mechanism according to claim 1, is characterized in that: be provided with the boss rotated from the limiting rod of backrest projection below described connecting rod and backrest hinged place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420569734.7U CN204124178U (en) | 2014-09-30 | 2014-09-30 | A kind of Back of perambulator angle adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420569734.7U CN204124178U (en) | 2014-09-30 | 2014-09-30 | A kind of Back of perambulator angle adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204124178U true CN204124178U (en) | 2015-01-28 |
Family
ID=52380561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420569734.7U Expired - Lifetime CN204124178U (en) | 2014-09-30 | 2014-09-30 | A kind of Back of perambulator angle adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204124178U (en) |
-
2014
- 2014-09-30 CN CN201420569734.7U patent/CN204124178U/en not_active Expired - Lifetime
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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 |
Granted publication date: 20150128 |