CN203252249U - Chair - Google Patents
Chair Download PDFInfo
- Publication number
- CN203252249U CN203252249U CN 201320228742 CN201320228742U CN203252249U CN 203252249 U CN203252249 U CN 203252249U CN 201320228742 CN201320228742 CN 201320228742 CN 201320228742 U CN201320228742 U CN 201320228742U CN 203252249 U CN203252249 U CN 203252249U
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- CN
- China
- Prior art keywords
- support bar
- chair
- shelf
- driving shaft
- universal driving
- 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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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model provides a chair. The chair comprises a supporting rod, a material placing plate, a connecting base, a universal driving shaft, a first single-bevel gear and an elastic part, wherein the connecting base is installed on the supporting rod and is provided with a first gear-shaped surface; the universal driving shaft can move opposite to the connecting base along the axis direction and is fixedly connected with the material placing plate; the first single-bevel gear is sleeved on the universal driving shaft and can be matched with the first gear-shaped surface by opposite locking so that the material placing plate can be fixed opposite to the supporting rod in a working state; the elastic part is connected with the first single-bevel gear to control engagement and separation of the first single-bevel gear and the first gear-shaped surface; and the other end of the elastic part is connected with a control button. The chair has the beneficial effects that the control button is pressed to separate the first single-bevel gear from the first gear-shaped surface, thus releasing the opposite fixation relation between the material placing plate and the connecting base and adjusting the angle of the material placing plate; by releasing the control button, the first single-bevel gear is engaged with the first gear-shaped surface under the action of the restoring force of the elastic part, so that the material placing plate and the connecting base are oppositely fixed; and the chair achieves random adjustment of the angle of the material placing plate, thus effectively widening the application range of the chair.
Description
Technical field
The utility model relates to the articles for daily use technical field, particularly a kind of chair.
Background technology
Chair has very strong practicality as the object of having a rest for people.
Along with people's improving constantly quality of life, practicality to chair is also had higher requirement, such as the adjusting that needs the chair angle, carrying convenience and chair can placing articles etc., in order to satisfy requiring swivel chair, folding seat and just arising at the historic moment with the chair of shelf of people.
At present, the chair with shelf is widely used in the Conference Room.Shelf is by on the lateral support bar that is fixed on chair, so that the user is placed on article on shelf, namely shelf has replaced the function of desk.But, because shelf is fixed on support bar, can not regulate, make highly difference or the different people of sitting posture use inconvenience, reduced its scope of application.
Therefore, how improving the scope of application of chair, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model is to provide a kind of chair, to improve the scope of application of chair.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of chair comprises support bar and the shelf that is arranged on support bar, also comprises:
Be arranged on the Connection Block on described support bar, be provided with the first toothed surface on described Connection Block;
Can be along the universal driving shaft of axis direction relative motion with described Connection Block, described shelf and described universal driving shaft are fixedly linked;
Be set on described universal driving shaft, and can coordinate with described the first toothed surface counteresteer so that during described shelf duty and described support bar can relatively-stationary the first monocline face gear;
Be connected with described the first monocline face gear, to regulate described the first monocline face gear and described the first toothed surface engagement and the elastic component that separates, the other end of described elastic component is connected with control button.
Preferably, in above-mentioned chair, also comprise being set on described universal driving shaft and away from the second monocline face gear of an end of described Connection Block;
Be arranged on described shelf and second toothed surface that can coordinate with described the second monocline face gear counteresteer.
Preferably, in above-mentioned chair, also comprise the rotating shaft that an end and described Connection Block are fixedly linked, described universal driving shaft can be along the outside that is set in described rotating shaft that axis direction slides.
Preferably, in above-mentioned chair, the end away from described Connection Block of described universal driving shaft is provided with the first end plug.
Preferably, in above-mentioned chair, also comprise being arranged on described first end support bar snap fit beyond the Great Wall.
Preferably, in above-mentioned chair, also comprise:
Slide along axis with described support bar, and along the elevating lever that circumferentially rotates, the telescopic end of described elevating lever is connected with described shelf;
Be used for the locking device of support bar with the relative locking of described elevating lever.
Preferably, in above-mentioned chair, described support bar is set in the outside of described elevating lever.
Preferably, in above-mentioned chair, described locking device comprises:
Be set in the compressing member on described elevating lever;
Be opened in the connecting hole on described support bar;
Hinged by described connecting hole and described compressing member, and its distal end can compress the decenter clutch of described compressing member.
Preferably, in above-mentioned chair, described decenter clutch is arranged on described support bar by spanner seat, and the face that described spanner seat contacts with described decenter clutch is the plane.
The utility model also provides a kind of chair, comprises support bar and the shelf that is arranged on support bar, also comprises: be arranged on the Connection Block on support bar, be provided with the first toothed surface on this Connection Block; Can be along the universal driving shaft of axis direction relative motion with Connection Block, above-mentioned shelf and universal driving shaft are fixedly linked; Be set on universal driving shaft, and can coordinate with the first toothed surface counteresteer so that during the shelf duty and support bar can relatively-stationary the first monocline face gear; Be connected with the first monocline face gear, to regulate the first monocline face gear and the first toothed surface engagement and the elastic component that separates, the other end of this elastic component is connected with control button.By above-mentioned setting in use, by pressing control button, the first monocline face gear is separated with the first toothed surface, thereby discharge the relative fixed relationship of shelf and Connection Block, then rotate shelf as required so that shelf arrives the angle of inclination of needs; User's release control button after regulating angle makes the engagement of the first monocline face gear and the first toothed surface, thereby makes shelf relative with Connection Block fixing under the effect of the restoring force of elastic component.Because the effect of the first monocline face gear can make shelf be rotated in the forward, so that the taking in of shelf.By said process as can be known, this chair can be realized any adjusting of shelf angle, thereby can effectively improve the scope of application of chair.
Description of drawings
The structural representation of the chair that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the partial enlarged drawing of A in Fig. 1;
Fig. 3 is the partial enlarged drawing of B in Fig. 1;
Fig. 4 provides the structural representation of shelf when side is worked for the utility model embodiment;
The structural representation when shelf that Fig. 5 provides for the utility model embodiment is worked in front;
The structural representation of the shelf that Fig. 6 provides for the utility model embodiment when inoperative.
The specific embodiment
The utility model core is to provide a kind of chair, to improve the scope of application of chair.
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with drawings and embodiments.
Please refer to Fig. 1-Fig. 6, the utility model embodiment provides a kind of chair, comprises support bar 1 and the shelf 2 that is arranged on support bar 1, also comprises: be arranged on the Connection Block 33 on support bar 1, be provided with the first toothed surface (not shown) on this Connection Block 33; Can be along the universal driving shaft 31 of axis direction relative motion with Connection Block 33, above-mentioned shelf 2 is fixedly linked with universal driving shaft 31; Be set on universal driving shaft 31, and can coordinate with described the first toothed surface counteresteer so that during shelf 2 duty and support bar 1 can relatively-stationary the first monocline face gear 32; Be connected with the first monocline face gear 32, to regulate the first monocline face gear 32 and the first toothed surface engagement and the elastic component 34 that separates, the other end of this elastic component 34 is connected with control button 35.
Preferably, above-mentioned elastic component 34 is spring.The incline direction of above-mentioned the first monocline face gear 32 can be set according to different needs.
By above-mentioned setting in use, by pressing control button 35, the first monocline face gear 32 is separated with the first toothed surface, thereby discharge the relative fixed relationship of shelf 2 and Connection Block 33, then rotate as required shelf 2 so that shelf 2 arrives the angle of inclination of needs; User's release control button 35 after regulating angle makes the engagement of the first monocline face gear 32 and the first toothed surface, thereby makes shelf 2 relative with Connection Block 33 fixing under the effect of the restoring force of elastic component 34.Be rotated in the forward because the effect of the first monocline face gear 32 can make shelf 3 (regulation herein, need not discharge the first monocline face gear 32 is positive direction with regard to rotating direction, below both forward and reverse directions by this regulation), so that the taking in of shelf 2.By said process as can be known, this chair can be realized any adjusting of shelf 2 angles, thereby can effectively improve the scope of application of chair.
For the stability that guarantees that whole shelf 2 rotates, further also comprise in embodiment being set on universal driving shaft 31 and away from the second monocline face gear 36 of an end of Connection Block 33; Be arranged on shelf 2 and the second toothed surface (not shown) that can coordinate with the second monocline face gear 36 counteresteers.By the synchronism to guarantee that shelf 2 two ends are rotated of coordinating of the second monocline face gear 36 and the second toothed surface, prevent the problem of deflection.Because the first monocline face gear 32 is connected by universal driving shaft 31 with the second monocline face gear 36, therefore, in the process of regulating control button 35, the second monocline face gear 36 and the second toothed surface also can separating and separate with the first monocline face gear 32 and the first toothed surface, engagement with the first monocline face gear 32 and the first toothed surface is meshed, and realizes the Synchronization Control of 35 pairs of the first monocline face gears 32 of control button and the second monocline face gear 36.
Further also comprise the rotating shaft 37 that an end and Connection Block 33 are fixedly linked in embodiment, and universal driving shaft 31 can be along the outside that is set in rotating shaft 37 that axis direction slides.In adjustment process, thereby the user 37 rotates universal driving shaft 31 by controlling shelf 2 around the shaft.
In order to prevent that foreign material from entering the inside of universal driving shaft 31, at the end away from Connection Block 33 of universal driving shaft 31, the first end plug 38 is set.By the sealing function of the first end plug 38, guarantee the isolation that universal driving shaft 31 is inner with outside.The material that it will be appreciated by persons skilled in the art that the first end plug 38 can be selected according to different needs, and its concrete shape is not done restriction yet, as long as can realize the sealing to universal driving shaft 31 ends.
In one embodiment in order to guarantee that shelf 2 two ends can provide support power, to realize the stressed equilibrium of shelf 2, prevent shelf 2 because of stressed excessive the damage, the chair that provides in the utility model also comprises the support bar snap fit 39 that is arranged on the first end plug 38.In use, can support bar snap fit 39 be hooked on the mutually close support bar of shelf 2 according to the placement location of shelf 2, realize that shelf 2 is free-ended to be fixedly linked, make 1 pair of shelf 2 of support bar power that provides support.
On the basis of technique scheme, the chair that provides in the present embodiment also comprises: elevating lever 41 and locking device.
Wherein, support bar 1 is relative with elevating lever 41 sheathed, form Tiebar structure, thereby guarantee that elevating lever 41 can move up and down along the axis direction of support bar 1, can around the circumferential rotation of support bar 1, namely can carry out the up and down relative motion and relatively rotate between the two simultaneously.In the present embodiment, elevating lever 41 is connected with shelf 2, with by the relative motion between elevating lever 41 and support bar 1, drives the relative motion of shelf 5 generations and support bar 1, realize the adjusting to shelf 2 height and horizontal level.In sum, this scheme has further improved the scope of application of chair, makes it no longer be confined to single position.In order to guarantee relative fixing between support bar 1 and elevating lever 41, prevent that elevating lever 41 produces relative motion with support bar 1 in the process of using shelf 2, also provide in the present embodiment to be used for the locking device of support bar 1 with elevating lever 41 relative lockings.
Particularly, support bar 1 is set in the outside of elevating lever 41.The aesthetic property that the inside that elevating lever 41 is arranged on support bar 1 can guarantee the chair outer surface reduces simultaneously the impurity such as dust and enters in the cavity of both relative slidings.
In preferred embodiment, above-mentioned locking device comprises: compressing member (not marking in figure) and the decenter clutch 42 hinged with compressing member.
Wherein, this compressing member is set on elevating lever 41.It will be appreciated by persons skilled in the art that this compressing member can be set on elevating lever 41 and the positioned opposite semicircular ring for two, both can realize holding tightly and release regulation elevating lever 41; Also can be set to have flexible annulus cover by compressing member in addition, and be set on elevating lever 41, by it being applied external force so that its internal diameter is diminished, when cancelling external force, this annulus cover recovers by the restoring force of self, thereby discharges elevating lever 41.
Decenter clutch 42 is connected with compressing member by the connecting hole of offering on support bar 41.When the proximal part of this decenter clutch 42 contacted with compressing member, compressing member was in free state, and namely elevating lever 41 with support bar 1, relative motion can occur, and this moment, the user can regulate the position of shelf 2 as required; When the distal end of this decenter clutch 42 contacted with compressing member, compressing member was in impaction state, and is namely relative fixing between elevating lever 41 and support bar 1, can not regulate the position of shelf 2.
In order to improve the contact area of decenter clutch 42 and support bar 1, be convenient to simultaneously setting-up eccentricity spanner 42, in specific embodiment, eccentric wrench 42 is arranged on support bar 1 by spanner seat, and the face that spanner seat contacts with decenter clutch 42 is the plane.By being set, spanner seat can avoid in the process of eccentric adjustment spanner 42 therefore the collision of support bar 1, has been improved the service life of chair.
During chair that the user provides in using the present embodiment, can be according to different use needs, complete adjusting to shelf 2 angles by regulating control button 35, also can realize adjusting to shelf 2 height and horizontal level by controlling decenter clutch 42 simultaneously.In order to reduce the volume that takies of chair, the shelf in the present embodiment vertically is placed on the side of chair when off working state.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. chair comprises support bar (1) and is arranged on shelf (2) on support bar (1), it is characterized in that, also comprises:
Be arranged on the Connection Block (33) on described support bar (1), described Connection Block is provided with the first toothed surface on (33);
Can be along the universal driving shaft (31) of axis direction relative motion with described Connection Block (33), described shelf (2) is fixedly linked with described universal driving shaft (31);
Be set on described universal driving shaft (31), and can coordinate with described the first toothed surface counteresteer so that during described shelf (2) duty and described support bar (1) can relatively-stationary the first monocline face gear (32);
Be connected with described the first monocline face gear (32), to regulate described the first monocline face gear (32) and described the first toothed surface engagement and the elastic component that separates (34), the other end of described elastic component (34) is connected with control button (35).
2. chair according to claim 1, is characterized in that, comprises that also to be set in described universal driving shaft (31) upper and away from the second monocline face gear (36) of an end of described Connection Block (33);
Be arranged on the second toothed surface that described shelf (2) is upper and can coordinate with described the second monocline face gear (36) counteresteer.
3. chair according to claim 1, is characterized in that, also comprises the rotating shaft (37) that an end and described Connection Block (33) are fixedly linked, and described universal driving shaft (31) can be along the outside that is set in described rotating shaft (37) that axis direction slides.
4. chair according to claim 3, is characterized in that, the end away from described Connection Block (33) of described universal driving shaft (31) is provided with the first end plug (38).
5. chair according to claim 4, is characterized in that, also comprises the support bar snap fit (39) that is arranged on described the first end plug (38).
6. according to claim 1-5 described chairs of any one, is characterized in that, also comprises:
Slide along axis with described support bar, and along the elevating lever (41) that circumferentially rotates, the telescopic end of described elevating lever (41) is connected with described shelf (2);
Be used for the locking device of support bar (1) with the relative locking of described elevating lever (41).
7. chair according to claim 6, is characterized in that, described support bar (1) is set in the outside of described elevating lever (41).
8. chair according to claim 6, is characterized in that, described locking device comprises:
Be set in the compressing member on described elevating lever (41);
Be opened in the connecting hole on described support bar (1);
Hinged by described connecting hole and described compressing member, and its distal end can compress the decenter clutch (42) of described compressing member.
9. chair according to claim 8, is characterized in that, described decenter clutch (42) is arranged on described support bar (1) by spanner seat, and the face that described spanner seat contacts with described decenter clutch (42) is the plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320228742 CN203252249U (en) | 2013-04-28 | 2013-04-28 | Chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320228742 CN203252249U (en) | 2013-04-28 | 2013-04-28 | Chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203252249U true CN203252249U (en) | 2013-10-30 |
Family
ID=49464867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320228742 Expired - Fee Related CN203252249U (en) | 2013-04-28 | 2013-04-28 | Chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203252249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108851709A (en) * | 2018-06-13 | 2018-11-23 | 益文杰 | One kind dredging chair |
-
2013
- 2013-04-28 CN CN 201320228742 patent/CN203252249U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108851709A (en) * | 2018-06-13 | 2018-11-23 | 益文杰 | One kind dredging chair |
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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: 20131030 Termination date: 20170428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |