CN205306484U - Lifting device - Google Patents
Lifting device Download PDFInfo
- Publication number
- CN205306484U CN205306484U CN201521011956.8U CN201521011956U CN205306484U CN 205306484 U CN205306484 U CN 205306484U CN 201521011956 U CN201521011956 U CN 201521011956U CN 205306484 U CN205306484 U CN 205306484U
- Authority
- CN
- China
- Prior art keywords
- flange
- cell wall
- hole
- lifting device
- mounting block
- 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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- Legs For Furniture In General (AREA)
Abstract
The utility model provides a lifting device, sets up the mounting of circular through -hole and sets up including middle slide bar in the circular through -hole, internal diameter that the mounting includes circular through -hole can the grow under the exogenic action the elastic deformation section, be provided with the arch on the medial surface of elastic deformation section, be provided with on the surface of slide bar with a plurality of recesses of protruding complex, a plurality of recesses are followed the axial direction of slide bar distributes. The recess includes the tank bottom and is located respectively the first cell wall and the second cell wall of both sides about the tank bottom, the height of first cell wall with second cell wall highly inequality, further, highly being lighter than of first cell wall the height of second cell wall. This kind of lifting device uses that can to guarantee on the liftable back of furniture that the journey is had suffered to the back rising -falling tone simple reliable.
Description
Technical field
The utility model relates to a kind of lifting device, particularly relates to the lifting device that a kind of lift adjustment process is simple and reliable.
Background technology
The backrest of now more and more furniture all has function of regulating height thereof, particularly sofa. The back of sofa or the headrest being located on sofa back all need the height according to user or concrete user demand to adjust many times, thus promote the comfortable property of sofa. Current lifting device due to structure design reasonable not, so it is bigger to cause rising dynamics used, the adjustment of such sofa for the less women of strength or children and be not easy, although it is less that another kind of lifting device rises dynamics used, but it is close with rise dynamics used owing to falling dynamics used, dropping to again original position slightly because of carelessness after the backrest rising sofa or headrest like this, thus need again to adjust, this brings great inconvenience to use. Current lifting device adjust backrest or during height of headrest process complicated and and unreliable, need now the lifting device that a kind of lift adjustment process is simple and reliable badly.
Practical novel content
The utility model is wanted the technical solution problem to be, it is provided that the lifting device that a kind of lift adjustment process is simple and reliable.
For solving above technical problem, the technical solution of the utility model is: a kind of lifting device, comprise the mounting block that circular through hole is offered in centre and the sliding bar being arranged in described circular through hole, itself it is crucial that: the internal diameter that described mounting block comprises circular through hole can become big elastic deformation section under external force, the interior side of described elastic deformation section is provided with projection, being provided with the multiple grooves with described male cooperation on the outside surface of described sliding bar, described multiple groove is along the axial directional distribution of described sliding bar.
As improvement one of the present utility model, the end of described sliding bar is taper, and the end at described sliding bar is provided with backstop part.
As improvement two of the present utility model, described groove comprises bottom land and lays respectively at the first cell wall and the 2nd cell wall of the upper and lower both sides of described bottom land, and the height of described first cell wall is not identical with the height of described 2nd cell wall.
As the improvement that the utility model is further, the height of described first cell wall is less than the height of described 2nd cell wall.
As improvement three of the present utility model, described elastic deformation section is positioned at the end of described mounting block, described elastic deformation section is provided with the first through slot running through outside surface and end in described circular through hole, arranges elastic member in described elastic deformation section.
As the improvement that the utility model is further, described first through slot be multiple and length direction consistent with the axial direction due of described circular through hole, described elasticity component is collar, and described collar is set on the outside surface of described elastic deformation section.
As improvement four of the present utility model, also comprise the flange component being set in described mounting block outside, described flange component comprises ring flange and neck flange, flange through hole it is provided with in described neck flange, the top of described mounting block is provided with flange, and the external diameter of described flange is greater than the internal diameter of described flange through hole.
As the improvement one that the utility model is further, described mounting block being also provided with the elastic bumps protruding described mounting block outside surface, the lower surface of described neck flange contacts with the upper surface of described elastic bumps.
As the improvement two that the utility model is further, Plug Division also it is provided with above the flange of described mounting block, the external diameter of the Plug Division end of described Plug Division is greater than the external diameter of end inside described Plug Division, described Plug Division is also provided with multiple 2nd through slot, described flange component also comprises the decorated disk being arranged on above described ring flange, having offered hole on described decorated disk, the sidewall in described hole is also provided with annular recesses, described Plug Division end coordinates with described annular recesses.
As the improvement three that the utility model is further, described ring flange being also provided with open holes, described open holes is four and is mutually distributed in circumferentially same in 90 degree.
By implementing, the utility model is desirable obtains following useful effect:
A kind of lifting device, comprise the mounting block that circular through hole is offered in centre and the sliding bar being arranged in described circular through hole, the internal diameter that described mounting block comprises circular through hole can become big elastic deformation section under external force, the interior side of described elastic deformation section is provided with projection, being provided with the multiple grooves with described male cooperation on the outside surface of described sliding bar, described multiple groove is along the axial directional distribution of described sliding bar. Mounting block is generally direct to link together with sofa seat or indirectly by other parts and sofa seat, and one end of sliding bar and backrest or headrest link together. By having pulled out or pressed down backrest or headrest thus apply to sliding bar to rise or the power of decline, sliding bar moves in circular through hole, the internal diameter of elastic deformation section becomes big so that sliding bar can move smoothly in circular through hole, when moving to the position of protruding and a certain groove fit, projection can be trapped in groove, now just serve the effect of fixing backrest or height of headrest, if need to continue adjustment just continue through pulled out or pressed down backrest or headrest so that protruding with another groove fit thus reach the required height adjusted. Such adjustment process is simple and reliable. The end of described sliding bar is taper, and the end at described sliding bar is provided with backstop part. The end of sliding bar is set to taper and ensure that sliding bar is more simple when installing in mounting block, can not waste time and energy, sliding bar end arranges backstop part and can prevent from being extracted from mounting block by sliding bar because of carelessness when rising sliding bar, here backstop part is the folder spring being clamped on ring groove that sliding bar end arranges, and backstop part here can be any can preventing parts that sliding bar is extracted because of carelessness from mounting block.Described groove comprises bottom land and lays respectively at the first cell wall and the 2nd cell wall of the upper and lower both sides of described bottom land, the height of described first cell wall is not identical with the height of described 2nd cell wall, here bottom land can be directly crossing with the 2nd cell wall and formed by the first cell wall, bottom land can also be a plane and bottom land place plane connects respectively at described first cell wall and the 2nd cell wall, and the first cell wall and/or the 2nd cell wall here can be inclined-plane or circular arc face. owing to the height of described first cell wall is not identical with the height of described 2nd cell wall, namely when the height of the first cell wall is greater than the 2nd cell wall, show that the gradient of the first cell wall compares more slow with the 2nd cell wall, when can ensure that sliding bar is more prone to and move to the 2nd cell wall direction when moving to the first direction, cell wall place so difficult a little, it is thus possible on different directions, needs apply the requirement of different dynamics when meeting height control, otherwise when the height of the first cell wall is less than the 2nd cell wall, show that the gradient of the first cell wall compares steeper with the 2nd cell wall, when can ensure that sliding bar moves to the first direction, cell wall place so more difficult and easy a little when moving to the 2nd cell wall direction. further, the height of described first cell wall is less than the height of described 2nd cell wall, it is positioned at the top of bottom land and the 2nd cell wall is positioned at the lower section of bottom land due to the first cell wall, so when the height of the first cell wall is less than the height of described 2nd cell wall, the gradient of the first cell wall is just greater than the gradient of the 2nd cell wall, so just makes the dynamics used when rising sliding bar be less than and falls sliding bar dynamics used. as as described in technical background, current lifting device device due to structure design reasonable not, so it is bigger to cause rising dynamics used, the adjustment of such sofa for the less women of strength or children and be not easy, although it is less that another kind of lifting device rises dynamics used, but it is close with rise dynamics used owing to falling dynamics used, original position can be dropped to again slightly because of carelessness like this after the backrest rising sofa or headrest, thus need again to adjust, this brings great inconvenience to use. the dynamics used when can ensure that backrest upwards rises on lifting backrest that this kind of lifting device is applied in furniture is less than adjustment backrest dynamics used downwards, thus meets the requirement that on the different directions of Furniture back height control, dynamics used is different.
Described elastic deformation section is positioned at the end of described mounting block, described elastic deformation section is provided with the first through slot running through outside surface and end in described circular through hole, arranges elastic member in described elastic deformation section. Described first through slot be multiple and length direction consistent with the axial direction due of described circular through hole, described elasticity component is collar, and described collar is set on the outside surface of described elastic deformation section. Such structure can ensure when rising or fall sliding bar, the support of elastic deformation end can be opened thus be moved in the circle of mounting block smoothly by sliding bar, and when postpone of adjusting to the right place is trapped in groove when projection, under the acting on of elasticity component, projection can be trapped in groove and can not slide out easily, which ensure that in postpone of adjusting to the right place unless applied the power of certain dynamics to sliding bar, otherwise sliding bar can not move, this just protects the situation that after having stopped to adjust to the right place, sliding bar is infirm. Described lifting device also comprises the flange component being set in described mounting block outside, described flange component comprises ring flange and neck flange, being provided with flange through hole in described neck flange, the top of described mounting block is provided with flange, and the external diameter of described flange is greater than the internal diameter of described flange through hole.Also being provided with the elastic bumps protruding described mounting block outside surface on described mounting block, the lower surface of described neck flange contacts with the upper surface of described elastic bumps. arrange flange conveniently mounting block and sofa seat to be fixed, simultaneously this kind of structure also facilitates the connection of mounting block and flange, when mounting block is inserted in flange, elastic bumps can inwardly collect owing to being subject to the compressing of power, owing to the whole length of described flange is slightly less than the distance of upper surface to the downside of described flange flange of described elastic bumps, so when described flange is installed on described mounting block, described flange is just between the downside of the upper surface of described elastic bumps to described flange, now elastic bumps and do not stress, so flange can be limited between described elastic bumps and flange, this completes the installation between mounting block and flange, this kind of installation process is simple and is convenient to when parts damages change, this kind of assembling mode more rationally environmental protection, save resource. Plug Division also it is provided with above the flange of described mounting block, the external diameter of the Plug Division end of described Plug Division is greater than the external diameter of end inside described Plug Division, described Plug Division is also provided with multiple 2nd through slot, described flange component also comprises the decorated disk being arranged on above described ring flange, described decorated disk has offered hole, also being provided with annular recesses on the sidewall in described hole, described Plug Division end coordinates with described annular recesses. this kind of structure can facilitate decorated disk and flange to use the material of unlike material and color and luster, it is convenient to lifting device and can be suitable for various different user demand, such as flange can with metal, and device sheet can by materials such as rigid plastics, namely only need that decorated disk carries out satisfactory surface treatment can allow the sofa seat perfection of lifting device and shades of colour or material arrange in pairs or groups, this kind of structure can the abundant various material of Appropriate application, saving the use of metallic substance, the installation and removal of decorated disk are also simpler simultaneously. also being provided with open holes on described ring flange, described open holes is four and is mutually distributed in circumferentially same in 90 degree. this is convenient to flange and sofa body are fixed by screw.
Accompanying drawing explanation
Below in conjunction with Figure of description, the utility model is done further detailed description, wherein:
Fig. 1 is part-structure schematic diagram of the present utility model;
Fig. 2 is the structural representation after mounting block and decorated disk assemble;
Fig. 3 is the A place partial enlargement figure of Fig. 2;
Fig. 4 is sliding bar structural representation;
Fig. 5 is the B place partial enlargement figure of Fig. 4;
Fig. 6 is stereographic map of the present utility model;
Fig. 7 is flange arrangement schematic diagram;
Fig. 8 is front view of the present utility model;
Fig. 9 is the structural representation of mounting block;
Figure 10 is the C place partial enlargement figure of Fig. 9;
Figure 11 is decorated disk structural representation;
Figure 12 is the D place partial enlargement figure of Figure 11.
Embodiment
As shown in Figures 1 to 4, a kind of lifting device, comprise the mounting block 10 that circular through hole 11 is offered in centre and the sliding bar 20 being arranged in described circular through hole 11, the internal diameter that described mounting block 10 comprises circular through hole 11 can become big elastic deformation section 111 under external force, the interior side of described elastic deformation section 111 is provided with protruding 112, being provided with on the outside surface of described sliding bar 20 and multiple grooves 21 that described protruding 112 coordinate, described multiple groove 21 is along the axial directional distribution of described sliding bar 20.The end of described sliding bar 20 is taper, and the end at described sliding bar 20 is provided with backstop part 22. Described elastic deformation section 111 is positioned at the end of described mounting block 10, described elastic deformation section 111 is provided with the first through slot 113 running through outside surface and end in described circular through hole 11, arranges elastic member 114 in described elastic deformation section 111. Described first through slot 113 be multiple and length direction consistent with the axial direction due of described circular through hole 11, described elasticity component 114 is collar, and described collar is set on the outside surface of described elastic deformation section 111.
As shown in Figure 5, described groove 21 comprises bottom land 211 and lays respectively at the first cell wall 212 and the 2nd cell wall 213 of described bottom land about 211 both sides, and the height of described first cell wall 212 is not identical with the height of described 2nd cell wall 213. In the present embodiment, the height of described first cell wall 212 is less than the height of described 2nd cell wall 213.
As shown in Fig. 6 to 12, lifting device also comprises the flange component 30 being set in described mounting block 10 outside, described flange component 30 comprises ring flange 31 and neck flange 32, it is provided with flange through hole 33 in described neck flange 32, also being provided with open holes 311 on described ring flange 31, described open holes 311 is four and is mutually distributed in circumferentially same in 90 degree. The top of described mounting block is provided with flange 12, and the external diameter of described flange 12 is greater than the internal diameter of described flange through hole 33. Also being provided with the elastic bumps 13 protruding described mounting block 10 outside surface on described mounting block 10, the lower surface 321 of described neck flange 32 contacts with the upper surface 131 of described elastic bumps 13. Plug Division 14 also it is provided with above the flange 12 of described mounting block 10, the external diameter of the Plug Division end 141 of described Plug Division 14 is greater than the external diameter of end 142 inside described Plug Division, described Plug Division 14 is also provided with multiple 2nd through slot 143, described flange component 30 also comprises the decorated disk 34 being arranged on above described ring flange 31, described decorated disk 34 has offered hole 341, also being provided with annular recesses 342 on the sidewall in described hole 341, described Plug Division end 141 coordinates with described annular recesses 342.
It must be noted that some indefinitenesses that the utility model is just made by above-described embodiment illustrate. But person of skill in the art will appreciate that, do not deviateing under objective of the present utility model and scope, it is possible to the utility model being made amendment, replaces and change, these amendments, replacement and change still belong to protection domain of the present utility model.
Claims (10)
1. a lifting device, comprise the mounting block (10) that circular through hole (11) is offered in centre and the sliding bar (20) being arranged in described circular through hole (11), it is characterized in that: the internal diameter that described mounting block (10) comprises circular through hole (11) can become big elastic deformation section (111) under external force, the interior side of described elastic deformation section (111) is provided with projection (112), the outside surface of described sliding bar (20) is provided with the multiple grooves (21) coordinated with described projection (112), described multiple groove (21) is along the axial directional distribution of described sliding bar (20).
2. a kind of lifting device according to claim 1, it is characterized in that: described groove (21) comprises bottom land (211) and lays respectively at the first cell wall (212) and the 2nd cell wall (213) of the upper and lower both sides of described bottom land (211), and the height of described first cell wall (212) is not identical with the height of described 2nd cell wall (213).
3. a kind of lifting device according to claim 2, is characterized in that: the height of described first cell wall (212) is less than the height of described 2nd cell wall (213).
4. a kind of lifting device according to claim 1, it is characterized in that: described elastic deformation section (111) is positioned at the end of described mounting block (10), described elastic deformation section (111) is provided with the first through slot (113) running through described circular through hole (11) interior outside surface and end, described elastic deformation section (111) arranges elastic member (114).
5. a kind of lifting device according to claim 4, it is characterized in that: described first through slot (113) for multiple and length direction consistent with the axial direction due of described circular through hole (11), described elasticity component (114) is collar, and described collar is set on the outside surface of described elastic deformation section (111).
6. according to a kind of lifting device described in any one in claim 1 to 5, it is characterized in that: also comprise and be set in the outside flange component (30) of described mounting block (10), described flange component (30) comprises ring flange (31) and neck flange (32), flange through hole (33) it is provided with in described neck flange (32), the top of described mounting block is provided with flange (12), and the external diameter of described flange (12) is greater than the internal diameter of described flange through hole (33).
7. a kind of lifting device according to claim 6, it is characterized in that: being also provided with the elastic bumps (13) protruding described mounting block (10) outside surface on described mounting block (10), the lower surface (321) of described neck flange (32) contacts with the upper surface (131) of described elastic bumps (13).
8. a kind of lifting device according to claim 6, it is characterized in that: be also provided with Plug Division (14) in the top of the flange (12) of described mounting block (10), the external diameter of the Plug Division end (141) of described Plug Division (14) is greater than the external diameter of end (142) inside described Plug Division, described Plug Division (14) is also provided with multiple 2nd through slot (143), described flange component (30) also comprises the decorated disk (34) being arranged on described ring flange (31) top, described decorated disk (34) has been offered hole (341), the sidewall in described hole (341) is also provided with annular recesses (342), described Plug Division end (141) coordinates with described annular recesses (342).
9. a kind of lifting device according to claim 6, is characterized in that: be also provided with open holes (311) on described ring flange (31), and described open holes (311) is four and is mutually distributed in circumferentially same in 90 degree.
10. a kind of lifting device according to claim 1, is characterized in that: the end of described sliding bar (20) is taper, and the end at described sliding bar (20) is provided with backstop part (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521011956.8U CN205306484U (en) | 2015-12-09 | 2015-12-09 | Lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521011956.8U CN205306484U (en) | 2015-12-09 | 2015-12-09 | Lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205306484U true CN205306484U (en) | 2016-06-15 |
Family
ID=56315103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521011956.8U Expired - Fee Related CN205306484U (en) | 2015-12-09 | 2015-12-09 | Lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205306484U (en) |
-
2015
- 2015-12-09 CN CN201521011956.8U patent/CN205306484U/en not_active Expired - Fee Related
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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: 20160615 Termination date: 20191209 |