CN209152735U - Multifunctional dual-spring swivel chair bracket tray - Google Patents
Multifunctional dual-spring swivel chair bracket tray Download PDFInfo
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- CN209152735U CN209152735U CN201821469399.8U CN201821469399U CN209152735U CN 209152735 U CN209152735 U CN 209152735U CN 201821469399 U CN201821469399 U CN 201821469399U CN 209152735 U CN209152735 U CN 209152735U
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- gear
- spring
- chassis
- swivel chair
- bracket tray
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Abstract
The utility model relates to a kind of Revolving chair trays, more particularly, to a kind of Multifunctional dual-spring swivel chair bracket tray.It mainly solves Revolving chair tray present in the prior art and is more not easy in adjustment spring pretightning force, can not intuitive vision-control degree, and wear more serious, assembly precision is poor, the technical problem that when use is easy to get stuck etc..The utility model includes chassis, described chassis one end is hinged with wraping plate by axis, and the gag lever post of wraping plate, which is worn, to be connect in the long hole of chassis two sides panel, the other end on chassis is equipped with handwheel, handwheel is connected with first gear by hexagonal pull rod, first gear is engaged with third gear by second gear, third gear is connected with transmission shaft, transmission shaft is connected with a pair of cams, cam has pushed preceding spring base, it is worn on gag lever post and is connected to rear spring seat, two adjustment springs are equipped between preceding spring base and rear spring seat.
Description
Technical field
The utility model relates to a kind of Revolving chair trays, more particularly, to a kind of Multifunctional dual-spring swivel chair bracket tray.
Background technique
Currently known Revolving chair tray is made of top tray, subiculum fine strain of millet, fulcrum and spring arrangement components, top tray with turn
After chair seat back is fixed, swivel chair can make appropriate pitching around fulcrum, user can be made to have comfort.Chinese patent discloses one
Kind pallet (Authorization Notice No.: CN 2587252Y), mainly includes bottom plate, sliding seat, conical pipe and regulating device, sliding seat
It is fixedly connected on bottom plate, is equipped with one piece of Taper Pipe fixed plate, Taper Pipe fixed plate and sliding seat and taper in the other side of sliding seat
It is in be fixedly connected between pipe；Regulating device includes adjusting rod, adjustable plate, torsional spring, torsional spring fixed plate, and adjusting rod is interspersed in activity
In seat, adjustable plate is fixedly connected on one end in adjusting rod insertion sliding seat, a face contact air pressure rod of adjustable plate, another side
It is connect with torsional spring；Adjustable plate spin-ended is equipped on the another side of adjustable plate；Sliding seat is riveted on bottom plate with rivet, in work
Conical pipe is welded in the central location of dynamic seat, and all around the home on rivet, one end of torsional spring is fixed on torsional spring for torsional spring and torsional spring fixed plate
In fixed plate, there is the convex bubble of adjustable plate on adjustable plate；Pallet is equipped with a retaining mechanism, and retaining mechanism mainly includes fixing
Block, adjusting rod, roller mount, idler wheel, roller pin, adjusting set, rivet, adjusts bolt, pressure spring, fixing seat, brake(-holder) block, steel at rivet
Set, locking nut；Fixed block is fixedly connected in sliding seat, and end activity penetrates rivet, and one end activity of brake(-holder) block is fixed
In the center of rivet, the other end of brake(-holder) block is equipped with long waist shaped hole, adjusting bolt is penetrated in hole, the one end for adjusting bolt is screwed with
Locking nut, and it is installed with steel bushing, the one side activity cooperation of steel bushing outer surface and fixing seat, fixing seat is fixedly connected on bottom plate
On, fixing seat another side is fixedly connected with adjusting set, cooperates pressure spring in the medial gap of fixing seat, pressure spring is wound on adjusting bolt
On, the end face press idler wheel of bolt is adjusted, idler wheel is riveted in roller mount with roller pin, and the side of roller mount penetrates rivet, with
Adjusting set is flexibly connected；Adjusting rod is welded on the inside of the other end of roller mount.But this Revolving chair tray is in adjustment spring
More be not easy when pretightning force, can not intuitive vision-control degree, and wear more serious, assembly precision is poor, and when use holds
Easily get stuck.
Utility model content
The utility model is to provide a kind of Multifunctional dual-spring swivel chair bracket tray, mainly solves present in the prior art
Revolving chair tray is more not easy in adjustment spring pretightning force, can not intuitive vision-control degree, and wear more serious, assembly
Precision is poor, the technical problem that when use is easy to get stuck etc..
Above technical problems of the utility model are mainly solved by the following technical scheme:
The Multifunctional dual-spring swivel chair bracket tray of the utility model, including chassis, described chassis one end are hinged with by axis
Wraping plate, and the gag lever post of wraping plate is worn and is connect in the long hole of chassis two sides panel, and the other end on chassis is equipped with handwheel, and handwheel passes through
Hexagonal pull rod is connected with first gear, and first gear is engaged with third gear by second gear, and third gear is connected with transmission
Axis, transmission shaft are connected with a pair of cams, and cam has pushed preceding spring base, worn on gag lever post and be connected to rear spring seat, preceding spring base with
Two adjustment springs are equipped between rear spring seat.The utility model is worn on transmission shaft and connects cam, pushes preceding spring using cam
Seat is mobile, avoids and was driven by the way of the sliding of corner block inclined-plane originally, is easy when can be avoided inclined-plane sliding in this way
The shortcomings that getting stuck.
Preferably, the bottom on the chassis is equipped with sliding slot, the bottom of preceding spring base is slidably connected at cunning by sliding block
In slot.Preceding spring base can be moved by sliding block in sliding slot, the pretightning force of two adjustment springs in rear portion adjustable in this way.
Preferably, multiple locating slots are equipped in the sliding slot, embedded with positioning buffer stopper, positioning buffering in locating slot
The bottom of block is equipped with pressure sensor, and pressure sensor connects indicator lamp groups by cnc mechanism, and indicator lamp groups are located at chassis
Front.Sliding block can to have in sliding using locating slot and positioning buffer stopper periodically to fix, pressure sensing
Device can issue signal, indicator lamp groups can intuitively vision-control spring pre-stressed position.
Preferably, the engagement place of the first gear and second gear and nibbling for second gear and third gear
Oil fuel tube is designed at conjunction, all oil fuel tubes are all connected with fuel-injection pump, are equipped with oiling piston in fuel-injection pump.It, can using oil fuel tube
To carry out fuel feeding to the engagement place of first gear, second gear, third gear at any time, such greasy property is preferable.
Preferably, arc groove is equipped at the convex block of the cam, embedded with reinforcement alloy-layer in arc groove.Cam
Embedded with alloy-layer is reinforced at convex block, should not be worn in spring base before pushing in this way, and prolong the service life.Reinforce alloy
Layer can be commercially available antifriction alloy.
Therefore, the Revolving chair tray of the utility model is relatively simple in adjustment spring pretightning force, can be intuitively displayed adjusting
Degree, and wear less, assembly precision is higher, and when use is not easy to get stuck, simple and reasonable for structure.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of the utility model；
Attached drawing 2 is a kind of structural schematic diagram of the utility model cam；
Attached drawing 3 is a kind of structural schematic diagram of spring base before the utility model；
Attached drawing 4 is a kind of structural schematic diagram of the utility model fuel-injection pump.
Components, position and number in figure: chassis 1, axis 2, wraping plate 3, gag lever post 4, handwheel 5, hexagonal pull rod 6, the first tooth
Take turns 7, second gear 8, third gear 9, transmission shaft 10, cam 11, preceding spring base 12, rear spring seat 13, adjustment spring 14, sliding slot
15, sliding block 16, locating slot 17, positioning buffer stopper 18, pressure sensor 19, indicator lamp groups 20, oil fuel tube 21, fuel-injection pump 22, note
Oil piston 23, reinforces alloy-layer 25 at arc groove 24.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment: the Multifunctional dual-spring swivel chair bracket tray of this example, such as Fig. 1, including chassis 1, chassis one end are hinged by axis 2
There is wraping plate 3, and the gag lever post 4 of wraping plate is worn and connect in the long hole of chassis two sides panel, the other end on chassis is equipped with handwheel 5, hand
Wheel is connected with first gear 7 by hexagonal pull rod 6, and first gear is engaged with third gear 9, third gear by second gear 8
It is connected with transmission shaft 10, such as Fig. 2, transmission shaft is connected with a pair of cams 11, arc groove 24 is equipped at the convex block of cam, in arc groove
Embedded with reinforcement alloy-layer 25.Cam has pushed preceding spring base 12, wears on gag lever post and is connected to rear spring seat 13, and preceding spring base is with after
Two adjustment springs 14 are equipped between spring base.If the bottom of Fig. 3, chassis are equipped with sliding slot 15, the bottom of preceding spring base 12 passes through
Sliding block 16 is slidably connected in sliding slot.It is equipped with multiple locating slots 17 in sliding slot, positioning buffer stopper 18, positioning are embedded in locating slot
The bottom of buffer stopper is equipped with pressure sensor 19, and pressure sensor connects indicator lamp groups 20 by cnc mechanism, and indicator lamp groups are set
In the front on chassis 1.Such as Fig. 4, the engagement place and second gear of first gear 7 and second gear 8 and nibbling for third gear 9
Oil fuel tube 21 is designed at conjunction, all oil fuel tubes are all connected with fuel-injection pump 22, are equipped with oiling piston 23 in fuel-injection pump.
In use, rotation handwheel 5, first gear 7, second gear 8, third gear 9 can drive transmission shaft 10 to rotate, convex
Spring base 12 before can pushing after 11 rotation of wheel, adjustment spring 14 are adjustable between, preceding spring base 12 and rear spring seat 13
Pretightning force.
The foregoing is merely the structure features of specific embodiment of the utility model, but the utility model to be not limited to
This, in the field of the utility model, made changes or modifications all cover practical new at this any those skilled in the art
Among the scope of the patents of type.
Claims (5)
1. a kind of Multifunctional dual-spring swivel chair bracket tray, including chassis (1), it is characterised in that described chassis (1) one end passes through axis
(2) it is hinged with wraping plate (3), and the gag lever post (4) of wraping plate is worn and connect in the long hole of chassis two sides panel, the other end on chassis is set
Have handwheel (5), handwheel is connected with first gear (7) by hexagonal pull rod (6), and first gear is engaged with by second gear (8)
Third gear (9), third gear are connected with transmission shaft (10), and transmission shaft is connected with a pair of cams (11), and cam has pushed preceding bullet
Spring abutment (12) is worn on gag lever post and is connected to rear spring seat (13), and two adjustment springs are equipped between preceding spring base and rear spring seat
(14).
2. Multifunctional dual-spring swivel chair bracket tray according to claim 1, it is characterised in that the bottom on the chassis (1) is set
Have sliding slot (15), the bottom of preceding spring base (12) is slidably connected in sliding slot by sliding block (16).
3. Multifunctional dual-spring swivel chair bracket tray according to claim 2, it is characterised in that be equipped in the sliding slot (15)
Multiple locating slots (17), locating slot is interior embedded with positioning buffer stopper (18), and the bottom for positioning buffer stopper is equipped with pressure sensor
(19), pressure sensor connects indicator lamp groups (20) by cnc mechanism, and indicator lamp groups are located at the front of chassis (1).
4. Multifunctional dual-spring swivel chair bracket tray according to claim 1 or 2 or 3, it is characterised in that the first gear
(7) engagement place with the engagement place of second gear (8) and second gear and third gear (9) is designed with oil fuel tube (21), institute
There is oil fuel tube to be all connected with fuel-injection pump (22), is equipped with oiling piston (23) in fuel-injection pump.
5. Multifunctional dual-spring swivel chair bracket tray according to claim 1 or 2 or 3, it is characterised in that the cam (11)
Convex block at be equipped with arc groove (24), embedded with reinforcing alloy-layer (25) in arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821469399.8U CN209152735U (en) | 2018-09-07 | 2018-09-07 | Multifunctional dual-spring swivel chair bracket tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821469399.8U CN209152735U (en) | 2018-09-07 | 2018-09-07 | Multifunctional dual-spring swivel chair bracket tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209152735U true CN209152735U (en) | 2019-07-26 |
Family
ID=67330857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821469399.8U Active CN209152735U (en) | 2018-09-07 | 2018-09-07 | Multifunctional dual-spring swivel chair bracket tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209152735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111387745A (en) * | 2019-10-08 | 2020-07-10 | 杭州中泰实业集团有限公司 | Multifunctional swivel chair tray and use method thereof |
-
2018
- 2018-09-07 CN CN201821469399.8U patent/CN209152735U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111387745A (en) * | 2019-10-08 | 2020-07-10 | 杭州中泰实业集团有限公司 | Multifunctional swivel chair tray and use method thereof |
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