CN201743295U - Combined type back bracket rotating chair - Google Patents
Combined type back bracket rotating chair Download PDFInfo
- Publication number
- CN201743295U CN201743295U CN2010205061121U CN201020506112U CN201743295U CN 201743295 U CN201743295 U CN 201743295U CN 2010205061121 U CN2010205061121 U CN 2010205061121U CN 201020506112 U CN201020506112 U CN 201020506112U CN 201743295 U CN201743295 U CN 201743295U
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- China
- Prior art keywords
- support frame
- back bracket
- combined type
- lower support
- chair
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- 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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Abstract
The utility model relates to a combined type back bracket rotating chair, comprising chair legs, a chair seat and a back, wherein the bottom of the chair seat is provided with a bottom box device; the back side of the back is connected with a combined type back bracket which forms the shape of a stream line; the bottom end of the back bracket extends to the bottom box device at the bottom of the chair, and is connected with the bottom box device; the back bracket is composed of an upper support frame and a lower support frame; the upper part of the upper support frame is extended with an upper connecting rod with a fork-shaped structure, and the upper connecting rod is connected with the top transversal rod of the back; the lower support frame is provided with a lower connecting rod which is connected with the bottom box device of the bottom of the chair seat; the end surface of the upper part of the lower support frame is provided with an inserting slot; the lower part of the upper support frame, corresponding to the inserting slot, is provided with an inserting protrusion which is inserted into the inserting slot; the upper support frame is sleeved into the inserting slot of the lower support frame through the inserting protrusion, and then the upper support frame and the lower support frame are connected into a whole. The contour forms a flow line smooth shape, the chair can be arranged in a split type, and then the product can be convenient to transport and assemble; the inserting protrusion and the inserting slot are connected in a matching way, so the connection is firm.
Description
Technical field
The utility model relates to the swivel chair field, especially conveniently transports, is connected firmly, the swivel chair of the combined type back bracket of good looking appearance.
Background technology
The general design of existing swivel chair back bracket is comparatively simple and crude, and is the monoblock type setting, cause transportation inconvenience, and its moulding of back bracket that monoblock type is provided with is single, and change of shape is little, be difficult to produce have shape uniqueness such as streamlined, structure attractive in appearance.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art part, and provides a kind of rational in infrastructure, conveniently transports, is connected firmly, the swivel chair of the combined type back bracket of good looking appearance.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of swivel chair of combined type back bracket, comprise the chair pin, seat support and backrest, seat bottom is equipped with end box device, the backrest back side is connected with and is fairshaped combined type back bracket, the back bracket bottom is extended to the end of seat bottom box device and is connected, it is characterized in that, described back bracket is by last, the lower support frame is formed, upper support frame top is extended with the upper connecting rod of prong like and is connected on the backrest top cross bar, lower support is set up the lower connecting rod that is connected with the end box device of seat bottom, lower support frame upper end has inserting groove, the upper support frame bottom of corresponding inserting groove is provided with and is suitable for the grafting protuberance that sleeve is gone into inserting groove, and upper support frame goes in the inserting groove on the lower support frame to make by grafting protuberance sleeve, the lower support frame connects into integral body.Adopt the combined type back bracket of the swivel chair of this structure, connected and composed by upper and lower bracing frame combination respectively, its contour structures has the slick and sly sense of streamline, and its detachable formula setting, make things convenient for Product transport and assembling, be connected between grafting protuberance and the inserting groove, be connected firmly.
The purpose of this utility model can also adopt following technical measures to solve:
As more particular embodiment, described lower support frame is constituted by left and right supporting arms, left and right supporting arms is respectively equipped with left and right fluting, left and right fluting is combined the formation inserting groove, left and right supporting arms bottom is respectively equipped with two semicircle connecting thread holes, and a screw is screwed in the screwed hole that two semicircle connecting thread holes constitute left and right supporting arms is connected into integral body.
Have on the upper support frame between the upper connecting rod of described prong like and the grafting protuberance along its streamlined curved strip through hole that connects.
Described upper and lower bracing frame is the arc surface transition and connects.
Have groove on the described grafting protuberance, be provided with the projection corresponding in the inserting groove with groove.
The beneficial effects of the utility model are:
(1), the swivel chair of combined type back bracket of the present utility model, back bracket is connected and composed by upper and lower bracing frame combination respectively, its contour structures has the slick and sly sense of streamline, good looking appearance smoothness, and its detachable formula setting, dwindle transportation and storage area, save transportation and carrying cost, be connected between grafting protuberance and the inserting groove, left and right supporting arms is spirally connected by the screwed hole of bottom screw and bottom, assembling is connected firmly fast;
(2), upper and lower bracing frame is by the metallic object member, effectively improves the back bracket rigidity, prolongs the product whole service life.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the decomposition texture schematic diagram of back bracket in the utility model;
Fig. 3 is the decomposition texture schematic diagram of another state of back bracket in the utility model;
Fig. 4 is the structural representation of relative another angle of Fig. 3.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Show as Fig. 1 to Fig. 4, a kind of swivel chair of combined type back bracket, comprise chair pin 1, seat support 2 and backrest 3, seat support 3 bottoms are equipped with end box device 4, backrest 3 back sides are connected with and are fairshaped combined type back bracket 5, back bracket 5 bottoms are extended to the end box device 4 of seat support 2 bottoms and are connected, described back bracket 5 is by last, lower support frame 6,7 form, upper support frame 6 tops are extended with the upper connecting rod 601 of prong like and are connected on backrest 3 top cross bar, lower support frame 7 is provided with the lower connecting rod 701 that is connected with the end box device 4 of seat support 2 bottoms, lower support frame 7 upper end have inserting groove 702, upper support frame 6 bottoms of corresponding inserting groove 702 are provided with and are suitable for the grafting protuberance 602 that sleeve is gone into inserting groove 702, and upper support frame 6 goes in the inserting groove 702 on the lower support frame 7 to make by grafting protuberance 602 sleeves, lower support frame 6,7 connect into integral body.
As more particular embodiment, described lower support frame 7 is constituted by left and right supporting arms 7a, 7b, left and right supporting arms 7a, 7b are respectively equipped with left and right fluting 702a, 702b, left and right fluting 702a, 702b combine and constitute inserting groove 702, left and right supporting arms 7a, 7b bottom is respectively equipped with two semicircle connecting thread holes, 703, one screws 8 and is screwed in the screwed hole that two semicircle connecting thread holes 703 constitute left and right supporting arms 7a, 7b are connected into integral body.
Have on the upper connecting rod 601 of described prong like and the upper support frame 6 between the grafting protuberance 602 along its streamlined curved strip through hole 603 that connects.
Described upper and lower bracing frame 6,7 is the arc surface transition and connects.
Have groove 602a on the described grafting protuberance 602, be provided with the projection 702a corresponding in the inserting groove 702 with groove 602a.
Claims (5)
1. the swivel chair of a combined type back bracket, comprise chair pin (1), seat support (2) and backrest (3), seat support (3) bottom is equipped with end box device (4), backrest (3) back side is connected with and is fairshaped combined type back bracket (5), back bracket (5) bottom is extended to the end box device (4) of seat support (2) bottom and is connected, it is characterized in that, described back bracket (5) is by last, lower support frame (6,7) form, upper support frame (6) top is extended with the upper connecting rod (601) of prong like and is connected on backrest (3) top cross bar, lower support frame (7) is provided with the lower connecting rod (701) that is connected with the end box device (4) of seat support (2) bottom, lower support frame (7) upper end has inserting groove (702), upper support frame (6) bottom of corresponding inserting groove (702) is provided with and is suitable for the grafting protuberance (602) that sleeve is gone into inserting groove (702), and upper support frame (6) goes in the inserting groove (702) on the lower support frame (7) to make by grafting protuberance (602) sleeve, lower support frame (6,7) connect into integral body.
2. according to the swivel chair of the described combined type back bracket of claim 1, it is characterized in that, described lower support frame (7) is constituted by left and right supporting arms (7a, 7b), left and right supporting arms (7a, 7b) is respectively equipped with left and right fluting (702a, 702b), left and right fluting (702a, 702b) is combined and is constituted inserting groove (702), left and right supporting arms (7a, 7b) bottom is respectively equipped with two semicircle connecting thread holes (703), and a screw (8) is screwed in the screwed hole that two semicircle connecting thread holes (703) constitute left and right supporting arms (7a, 7b) is connected into integral body.
3. according to the swivel chair of the described combined type back bracket of claim 1, it is characterized in that, have on the upper support frame (6) between upper connecting rod of described prong like (601) and the grafting protuberance (602) along its streamlined curved strip through hole (603) that connects.
4. according to the swivel chair of the described combined type back bracket of claim 1, it is characterized in that described upper and lower bracing frame (6,7) is the arc surface transition and connects.
5. according to the swivel chair of the described combined type back bracket of claim 1, it is characterized in that, have groove (602a) on the described grafting protuberance (602), be provided with the projection (702a) corresponding in the inserting groove (702) with groove (602a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205061121U CN201743295U (en) | 2010-08-25 | 2010-08-25 | Combined type back bracket rotating chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205061121U CN201743295U (en) | 2010-08-25 | 2010-08-25 | Combined type back bracket rotating chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201743295U true CN201743295U (en) | 2011-02-16 |
Family
ID=43577971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205061121U Expired - Fee Related CN201743295U (en) | 2010-08-25 | 2010-08-25 | Combined type back bracket rotating chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201743295U (en) |
-
2010
- 2010-08-25 CN CN2010205061121U patent/CN201743295U/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: 20110216 Termination date: 20160825 |