CN203073780U - Revolving chair tray with middle seat rotating around shaft - Google Patents
Revolving chair tray with middle seat rotating around shaft Download PDFInfo
- Publication number
- CN203073780U CN203073780U CN 201220619107 CN201220619107U CN203073780U CN 203073780 U CN203073780 U CN 203073780U CN 201220619107 CN201220619107 CN 201220619107 CN 201220619107 U CN201220619107 U CN 201220619107U CN 203073780 U CN203073780 U CN 203073780U
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- China
- Prior art keywords
- shell
- middle base
- pivoted
- swivel chair
- spring
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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 - Lifetime
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Abstract
The utility model relates to a revolving chair tray, and in particular relates to a revolving chair tray with a middle seat rotating around a shaft. The technical problems in the prior art that since the middle seat of the tray cannot rotate around the shaft generally, the leaning of the seat chair cannot be adjusted and inconvenience is brought to operation are mainly solved. The revolving chair tray comprises a shell (1), wherein left and right side plates (2) are arranged on the two sides of the shell (1); a middle seat (3) and an air pipe (4) are arranged in the shell; a middle pipe (18) is inserted between one end of the shell (1) and the left and right side plates (2); the middle seat (3) is fixed on the middle pipe; an adjusting pipe (5) is inserted into the shell; a lifting adjusting block (7) for opening and closing the air pipe is arranged on the adjusting rod; a screw (8) is arranged in the shell; a screw cap (9) is connected to the outer end of the screw; and a spring (10) is arranged between the shell and the screw cap.
Description
Technical field
The utility model relates to a kind of swivel chair pallet, especially relates to the swivel chair pallet that a kind of middle base is pivoted.
Background technology
Present known swivel chair pallet is made up of top tray, subiculum fine strain of millet, fulcrum and spring assembly parts, and after top tray and swivel chair seat back were fixing, swivel chair can be done suitable pitching around fulcrum, can make the user that comfort is arranged.Chinese patent discloses a kind of pallet (Granted publication number: CN 2587252Y), it mainly comprises base plate, sliding seat, conical pipe and adjusting device, sliding seat is fixedly connected on base plate, opposite side in sliding seat is provided with a Taper Pipe fixed head, is fixedly connected between Taper Pipe fixed head and sliding seat and the conical pipe; Adjusting device includes adjusting rod, adjustable plate, torsion spring, torsion spring fixed head, and adjusting rod interts in sliding seat, and adjustable plate is fixedly connected on adjusting rod and inserts on the interior end of sliding seat, the one side contact air pressure rod of adjustable plate, and another side is connected with torsion spring; On the another side of adjustable plate, be provided with adjustable plate and end blade; With rivet sliding seat is riveted on the base plate, at the middle position of sliding seat welding conical pipe, all around the home on rivet, an end of torsion spring is fixed on the torsion spring fixed head, and a protruding bubble of adjustable plate is arranged on adjustable plate for torsion spring and torsion spring fixed head; Pallet is provided with a retaining mechanism, and retaining mechanism mainly comprises fixed block, rivet, adjusting rod, roller mount, roller, roller pin, regulating sleeve, rivet, adjusting bolt, stage clip, holder, brake(-holder) block, steel bushing, locking nut; Fixed block is fixedly connected on the sliding seat, its end activity penetrates rivet, one end activity of brake(-holder) block is fixed on the central authorities of rivet, the other end of brake(-holder) block is provided with the long waist shaped hole, in the hole, penetrate the adjusting bolt, an end of regulating bolt is screwed with locking nut, and is installed with steel bushing, and the steel bushing outer surface cooperates with a side of holder is movable, holder is fixedly connected on the base plate, the fixedly connected regulating sleeve in holder another side, at the inboard matched in clearance stage clip of holder, stage clip is wound on to be regulated on the bolt, regulate the end face roof pressure roller of bolt, roller is riveted on the roller mount with roller pin, and the side of roller mount penetrates rivet, flexibly connects with regulating sleeve; The inboard welding of other end adjusting rod in roller mount.But the middle base of this pallet generally can't be pivoted, and therefore can't regulate the reclining of seat, causes operation inconvenience.
The utility model content
The utility model provides the swivel chair pallet that a kind of middle base is pivoted, and it mainly is that the middle base that solves the existing in prior technology pallet generally can't be pivoted, and therefore can't regulate the reclining of seat, causes the technical problem of operation inconvenience etc.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
The swivel chair pallet that middle base of the present utility model is pivoted, comprise shell, described shell both sides are provided with left side plate, are provided with middle base, tracheae in the shell, and cross-under has intervalve between an end of shell and the left side plate, middle base is fixed on the intervalve, the shell cross-under has adjusting rod, and adjusting rod is provided with the lift adjustment piece that can open and close tracheae, is provided with screw in the shell, the screw outer end is connected with nut, is provided with spring between shell and the nut.Can drive middle base after intervalve rotates and rotate, thus the reclining of adjusting seat.
As preferably, adjusting rod be connected with the limited block that can pin middle base.Limited block is connected on the same adjusting rod with the lift adjustment piece, and the pull regulating handle can be inserted into limited block at the middle base place, and it is spacing.Rotary regulating lever makes the lift adjustment piece rotate, thereby can open or close tracheae, is used for regulating the pallet of swivel chair.
As preferably, described nut inside is provided with spring shim, cartridge clip.Spring shim, cartridge clip can be used for fixing spring.
As preferably, described spring outside is provided with spring protecting sleeve.Spring protecting sleeve can prevent that outside dust from entering into spring.
As preferably, described shell upper is provided with the reinforcement weld tabs.Strengthen weld tabs and can strengthen the intensity of whole casing.
As preferably, described shell one end is connected with back shroud by fixed screw.
As preferably, the outer end of described adjusting rod is connected with regulating handle.Can spur or rotary regulating lever by regulating handle.
Therefore, the utility model is by being provided with intervalve in the swivel chair pallet, and middle base is welded on the intervalve, make intervalve can drive the middle base rotation when rotating, thereby operation is comparatively convenient, simple and reasonable for structure.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is cross-sectional view of the present utility model.
Parts, position and numbering among the figure: parts, position and numbering among the figure: shell 1, left side plate 2, middle base 3, tracheae 4, adjusting rod 5, limited block 6, lift adjustment piece 7, screw 8, nut 9, spring 10, spring shim 11, cartridge clip 12, spring protecting sleeve 13, reinforcement weld tabs 14, fixed screw 15, back shroud 16, regulating handle 17, intervalve 18.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the swivel chair pallet that this routine middle base is pivoted as Fig. 1, Fig. 2, comprises shell 1, the shell both sides are provided with left side plate 2, be provided with middle base 3, tracheae 4 in the shell, cross-under has intervalve 18 between an end of intervalve shell and the left side plate, and middle base is fixed on the intervalve.The shell cross-under has adjusting rod 5, and the outer end of adjusting rod is connected with regulating handle 17.Be coaxially connected with limited block 6 that can pin middle base and the lift adjustment piece 7 that can open and close tracheae on the adjusting rod, be provided with screw 8 in the shell, the screw outer end is connected with nut 9, and nut inside is provided with spring shim 11, cartridge clip 12.Be provided with spring 10 between shell and the nut.The spring outside is provided with spring protecting sleeve 13.Shell upper is provided with strengthens weld tabs 14.Shell one end is connected with back shroud 16 by fixed screw 15.
During use,, can regulate limited block 6 and be inserted into middle base 3 places by regulating handle 17 pull adjusting rods 5, thus the function of realization locking.During rotation adjusting rod 5, lift adjustment piece 7 is rotation and then, thus the lifting of control seat.
The above only is a specific embodiment of the utility model, but architectural feature of the present utility model is not limited thereto, any those skilled in the art is in field of the present utility model, and variation of being done or modification all are encompassed among the claim of the present utility model.
Claims (7)
1. swivel chair pallet that middle base is pivoted, comprise shell (1), it is characterized in that described shell (1) both sides are provided with left side plate (2), be provided with middle base (3), tracheae (4) in the shell, cross-under has intervalve (18) between one end of shell (1) and the left side plate (2), middle base (3) is fixed on the intervalve, the shell cross-under has adjusting rod (5), adjusting rod is provided with the lift adjustment piece (7) that can open and close tracheae, be provided with screw (8) in the shell, the screw outer end is connected with nut (9), is provided with spring (10) between shell and the nut.
2. the swivel chair pallet that middle base according to claim 1 is pivoted is characterized in that described adjusting rod (5) is connected with the limited block (6) that can pin middle base (3).
3. the swivel chair pallet that middle base according to claim 1 and 2 is pivoted is characterized in that described nut (9) inside is provided with spring shim (11), cartridge clip (12).
4. the swivel chair pallet that middle base according to claim 1 and 2 is pivoted is characterized in that described spring (10) outside is provided with spring protecting sleeve (13).
5. the swivel chair pallet that middle base according to claim 1 and 2 is pivoted is characterized in that described shell (1) top is provided with reinforcement weld tabs (14).
6. the swivel chair pallet that middle base according to claim 1 and 2 is pivoted is characterized in that described shell (1) one end is connected with back shroud (16) by fixed screw (15).
7. the swivel chair pallet that middle base according to claim 1 and 2 is pivoted is characterized in that the outer end of described adjusting rod (5) is connected with regulating handle (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220619107 CN203073780U (en) | 2012-11-21 | 2012-11-21 | Revolving chair tray with middle seat rotating around shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220619107 CN203073780U (en) | 2012-11-21 | 2012-11-21 | Revolving chair tray with middle seat rotating around shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203073780U true CN203073780U (en) | 2013-07-24 |
Family
ID=48819677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220619107 Expired - Lifetime CN203073780U (en) | 2012-11-21 | 2012-11-21 | Revolving chair tray with middle seat rotating around shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203073780U (en) |
-
2012
- 2012-11-21 CN CN 201220619107 patent/CN203073780U/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: 20130724 |
|
| CX01 | Expiry of patent term |