CN201602417U - Worm wheel and worm bar regulating swivel chair tray - Google Patents
Worm wheel and worm bar regulating swivel chair tray Download PDFInfo
- Publication number
- CN201602417U CN201602417U CN2010203025883U CN201020302588U CN201602417U CN 201602417 U CN201602417 U CN 201602417U CN 2010203025883 U CN2010203025883 U CN 2010203025883U CN 201020302588 U CN201020302588 U CN 201020302588U CN 201602417 U CN201602417 U CN 201602417U
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- China
- Prior art keywords
- worm
- swivel chair
- spring
- rotating shaft
- nut
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- Expired - Lifetime
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model relates to a swivel chair part, in particular to a worm wheel and worm bar regulating swivel chair tray. The worm wheel and worm bar adjusting swivel chair tray main solves the technical problem that the regulating mechanism of the swivel chair tray existing in the prior art can not regulate the spring tension when a seat leans and reclines. The worm wheel and worm bar adjusting swivel chair tray comprises a base (1), and the base (1) is connected with a shell body (2). The utility model is characterized in that an outer shell (3) and a movable seat (4) are arranged in the shell body (2), and a spring (5) is arranged in the outer shell. A threaded rod (6) is connected between the outer shell and the base and is in threaded connection with an adjusting device, and the end part of the spring is butted on the adjusting device. The adjusting device is connected with a worm wheel (7) which is connected with a rotating shaft (9) by a worm bar (8), and the rotating shaft is extended out the shell body.
Description
Technical field
The utility model relates to a kind of swivel chair parts, especially relates to a kind of to the isostructural improvement of worm and gear adjusting swivel chair pallet.
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 this pallet is when regulating seat support and carry out suitable reclining, and the elasticity of spring can't be regulated, and only can suitably regulate when seat support is static, and hand need be reached under-seat when regulating and just can regulate, and this governor motion is extremely inconvenient.
The utility model content
The utility model technical issues that need to address provide a kind of worm and gear and regulate the swivel chair pallet, and it mainly is that the governor motion that solves existing in prior technology swivel chair pallet can't carry out the technical problem that the spring elasticity is regulated when the seat support reclining.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
Worm and gear of the present utility model is regulated the swivel chair pallet, comprise base, be connected with housing on the base, it is characterized in that being provided with shell and sliding seat in the described housing, be provided with spring in the shell, be connected with screw rod between shell and the base, screw flight is connected with adjusting device, and spring end withstands on the adjusting device, and adjusting device is connected with worm gear, worm gear is connected with rotating shaft by worm screw, and rotating shaft stretches out outside the housing.Worm gear can adopt helical gear, tooth number Z=16, transverse module 1.75, the maximum outside diameter dw2=31.5 of worm gear, number of threads is Z1=3, tip diameter of worm da1=17.5, and spiral imports the angle 20 ° 33 ' 22 ', the gearratio that adopted 1: 5.3 makes adjusting quick and portably, and regulating the number of turns at most is 26 circles.The rotating shaft rotation, thereby drive the worm screw rotation, worm screw drives the worm gear rotation, driving adjusting device moves on the screw rod direction, thereby the compression of the spring on the promotion nut, adjusting device moves downward when the rotating shaft opposite spin, finishes the elongation process of spring, so just finishes the adjusting of spring elasticity.
As preferably, described adjusting device comprises the bolt that is threaded on the screw rod, and bolt thread is connected with nut, nut is a T-shape, and spring end withstands on the nut, is connected with stator on the housing, have through hole on the stator, be installed with straight pin between through hole and the nut.Put the bolt that is rotary with nut on worm gear, the bolt below is a hexagon, just embeds in the hexagonal hole of worm gear, and the flange of T-shape nut can just withstand spring, thereby promotes spring compression or release.Straight pin passes stator and nut, makes nut not rotate, but can move up and down.Nut adopts the standard thread of M20 to be connected with bolt, makes adjusting quick and portably.
As preferably, described rotating shaft outer end is connected with adjusting handle.It is located at seat side edges, regulates more convenient.
As preferably, described worm gear is connected with bearing, can make the worm gear rotation more smooth and easy.
As preferably, be connected with nylon nut between described screw rod end and the shell, be connected with spring shim between spring and the shell, screw rod, spring noise when work is less like this.
As preferably, have on the described stator lateral opening, the rotating shaft cross-under in lateral opening, and rotating shaft and lateral opening between be provided with lining, can prevent lateral opening wearing and tearing rotating shaft, and when reducing the rotating shaft rotation because the noise that friction is sent.
Therefore, the utlity model has the adjusting that spring mechanism adopts worm and gear, make adjusting handle in seat side edges, the adjusting of spring elasticity in the time of finishing the seat reclining, characteristics such as making and regulating the number of turns is at most 26 circles, has adjusting lighter, quicker, more humane, 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 structural representations that Fig. 1 removes shell;
Accompanying drawing 3 is internal structure schematic diagrames of the present utility model.
Parts, position and numbering among the figure: base 1, housing 2, shell 3, sliding seat 4, spring 5, screw rod 6, worm gear 7, worm screw 8, rotating shaft 9, bolt 10, nut 11, stator 12, straight pin 13, adjusting handle 14, bearing 15, nylon nut 16, spring shim 17, lining 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: this routine worm and gear is regulated the swivel chair pallet, as Fig. 1, a base 1 is arranged, and is connected with housing 2 on the base 1, is provided with shell 3 and sliding seat 4 in the housing 2, as Fig. 2, Fig. 3, is provided with spring 5 in the shell, is connected with spring shim 17 between spring 5 and the shell 3.Be connected with screw rod 6 between shell and the base, be connected with nylon nut 16 between screw rod 6 ends and the shell 3.Screw flight is connected with bolt 10, and bolt thread is connected with nut 11, and nut is a T-shape, and spring 5 ends withstand on the nut, are connected with stator 12 on the housing 2, have through hole on the stator, are installed with straight pin 13 between through hole and the nut.Screw rod 6 worm gear 7 that has been threaded, worm gear 7 is connected with bearing 15.Worm gear is connected with rotating shaft 9 by worm screw 8, the rotating shaft cross-under in stator lateral opening, and rotating shaft and lateral opening between be provided with lining 18, rotating shaft stretches out outside the housing, and its outer end is connected with adjusting handle 14.
During use, 9 rotations of rotation adjusting handle 14 driven rotary axles, thus driving worm gear 7 and bolt 10 rotations, this moment, nut 11 promoted spring 5 compressions or elongation along the screw rod direction, thus the adjusting of realization spring elasticity.
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 (6)
1. a worm and gear is regulated the swivel chair pallet, comprise base (1), be connected with housing (2) on the base (1), it is characterized in that being provided with in the described housing (2) shell (3) and sliding seat (4), be provided with spring (5) in the shell, be connected with screw rod (6) between shell and the base, screw flight is connected with adjusting device, and spring end withstands on the adjusting device, and adjusting device is connected with worm gear (7), worm gear is connected with rotating shaft (9) by worm screw (8), and rotating shaft stretches out outside the housing.
2. worm and gear according to claim 1 is regulated the swivel chair pallet, it is characterized in that described adjusting device comprises the bolt (10) that is threaded on the screw rod (6), bolt thread is connected with nut (11), nut is a T-shape, spring (5) end withstands on the nut, be connected with stator (12) on the housing (2), have through hole on the stator, be installed with straight pin (13) between through hole and the nut.
3. worm and gear according to claim 1 and 2 is regulated the swivel chair pallet, it is characterized in that described rotating shaft (9) outer end is connected with adjusting handle (14).
4. worm and gear according to claim 1 and 2 is regulated the swivel chair pallet, it is characterized in that described worm gear (7) is connected with bearing (15).
5. worm and gear according to claim 1 and 2 is regulated the swivel chair pallet, it is characterized in that being connected with nylon nut (16) between described screw rod (6) end and the shell (3), is connected with spring shim (17) between spring (5) and the shell (3).
6. worm and gear according to claim 2 is regulated the swivel chair pallet, it is characterized in that having on the described stator (12) lateral opening, rotating shaft (9) cross-under in lateral opening, and rotating shaft and lateral opening between be provided with lining (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203025883U CN201602417U (en) | 2010-02-08 | 2010-02-08 | Worm wheel and worm bar regulating swivel chair tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203025883U CN201602417U (en) | 2010-02-08 | 2010-02-08 | Worm wheel and worm bar regulating swivel chair tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201602417U true CN201602417U (en) | 2010-10-13 |
Family
ID=42947120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203025883U Expired - Lifetime CN201602417U (en) | 2010-02-08 | 2010-02-08 | Worm wheel and worm bar regulating swivel chair tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201602417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105962670A (en) * | 2016-07-29 | 2016-09-28 | 陈烁 | Getting-up-assisting sitting tool for old people |
-
2010
- 2010-02-08 CN CN2010203025883U patent/CN201602417U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105962670A (en) * | 2016-07-29 | 2016-09-28 | 陈烁 | Getting-up-assisting sitting tool for old people |
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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: 20101013 |
|
| CX01 | Expiry of patent term |