CN202604193U - Taper sleeve locking type swivel chair lifting device - Google Patents
Taper sleeve locking type swivel chair lifting device Download PDFInfo
- Publication number
- CN202604193U CN202604193U CN 201220017041 CN201220017041U CN202604193U CN 202604193 U CN202604193 U CN 202604193U CN 201220017041 CN201220017041 CN 201220017041 CN 201220017041 U CN201220017041 U CN 201220017041U CN 202604193 U CN202604193 U CN 202604193U
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- CN
- China
- Prior art keywords
- tapered sleeve
- taper
- sleeve locking
- swivel chair
- steel pipe
- 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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Abstract
The utility model discloses a taper sleeve locking type swivel chair lifting device which is mainly composed of a supporting seat steel tube, a balance spring, a lifting steel tube, a supporting seat plate, a taper sleeve locking rotary plate, a connection plate and a chair supporting board. When the taper sleeve locking type swivel chair lifting device is used normally, a tip of a tongue-shaped lifting block is deflected, a taper-shaped locking sleeve is pressed downward under the action of a pressing spring, the lifting steel tube is locked, and a chair with the lifting steel tube and the taper sleeve locking rotary plate can rotate freely in the supporting seat plate. When the height needs adjusting, a handle is lifted upward or pressed downward to be in a horizontal shape, the taper-shaped locking sleeve is lifted, four long strip shape notches of the taper-shaped locking sleeve are opened slightly, and the lifting steel tube can be lifted freely to adjust the height. Compared with an original chair, the taper sleeve locking type swivel chair lifting device dose not have an explosive source, eliminates explosion hidden dangers, and is safe and reliable. The whole device is composed of common metal parts or plastic parts, and is simple in production process, low in cost and suitable for market popularization and generalization. In addition, compared with an original product, the lifting operation method is simple and easy to operate.
Description
Technical field
The utility model relates to field of furniture, relates in particular to a kind of tapered sleeve locking type swivel chair lowering or hoisting gear.
Background technology
Along with computer constantly popularize the hommization more with the public place, the scope of application of swivel chair is increasing, not only various institutional settings, company, industrial enterprise, school, army, Internet bar etc. all can use a large amount of swivel chairs; Computer is getting into huge numbers of families, also needs a large amount of swivel chairs; Before the window of public place, the bar desk is other also has a large amount of high swivel chairs to occur.The explosion accident of swivel chair has report more, has juvenile quilt fried dead, has the Ms to be got in the body really startling, the fearful utmost point that causes by fried steel bar and a large amount of foreign material.Consulting Baidu.com has 60 multipage webpages unexpectedly in the relevant thing of talking about the swivel chair blast, and some women white collar is taken block plate to be placed on and put mat on the seat again, would rather be seated and feel bad, total at heart more relieved.According to the expert reason of blast being analyzed, mainly possibly be that the purity of the body of inflating is not high in the air pressure rod, should fill highly purified nitrogen, possibly sneak into oxygen or aqueous vapor, have in addition what fill is air; Also possibly be that reasons such as the too thin or weldquality difference of air pressure rod tube wall are held hyperbar that can't stand moment and set off an explosion.The structure more complicated of air pressure rod, require to reach material qualified, make that qualified, inflation etc. is all qualified to have a suitable difficulty.The regular product of certain regular producer, quality are reliably, can relievedly use.The common low and middle-grade swivel chairs of informal manufacturer production constantly come into the market on the market; Constantly get into huge numbers of families; The swivel chair that adopts air pressure rod is placed on huge numbers of families as if time bomb is placed on us at one's side, though the probability of its blast is lower; Even 1,000,000/, the person of running into then is hundred-percent unlucky.
Urgent need is gone up with society in market, and some do not have the safe swivel chair of hidden peril of explosion! Also be badly in need of wanting the lower safe swivel chair of some prices.
Summary of the invention
The utility model provides a kind of tapered sleeve locking type swivel chair lowering or hoisting gear; It mainly is made up of bearing steel pipe, balancing spring, up-down steel pipe, an attic base, tapered sleeve locking rotating disk, gusset piece, seat supporting plate and seal washer etc., it is characterized in that: insert behind up-down steel pipe socket upper bracket dish, the tapered sleeve locking rotating disk and be placed with in the bearing steel pipe of balancing spring.
The bearing steel pipe is the bearing of this device, and as preferably, its steel pipe adopts stainless steel tube, length intercepting on demand, and the steel pipe bottom is welded with base plate, and the pad that outer ring, steel pipe upper end is welded with thickening makes things convenient for machining screw.
Balancing spring adopts cylindrical compression spring, and the internal diameter of its external diameter and bearing steel pipe is suitable, the weight that the elastic force size of spring should seat in a basic balance.
The height of the up-down of up-down steel pipe decision seat, as preferably, steel pipe adopts stainless steel tube.Circular steel plate of lower end welding of steel pipe, the internal diameter of the external diameter of circular steel plate and bearing steel pipe is suitable.
Propping up attic base is welded by short steel pipes and circular steel plate; Big or small suitable behind the external diameter shimming of the internal diameter of short steel pipes and bearing steel pipe; The endoporus of circular steel plate and the external diameter of up-down steel pipe are suitable; Prop up attic base top and establish the threadless dog screw of head, the bottom establishes trip bolt and the bearing steel pipe is fixed.
Gusset piece is welded in the upper end of up-down steel pipe, and the below of gusset piece is welded with nut, and the top is joined a bolt and is used for the seat supporting plate.
Tapered sleeve locking rotating disk is made up of tapered sleeve rotating disk, taper lock tube, ligulate lift block, lifting pin, lifting handle, holddown spring and hold-down screw etc.
The tapered sleeve rotating disk is placed in the attic base; Its external diameter is suitable with an attic base internal diameter; The endoporus of tapered sleeve rotating disk divides two layers, and the external diameter of the internal diameter of upper strata macropore and taper lock cover top cylinder is suitable, and the external diameter of the tapered middle of the diameter of lower floor's endoporus and taper lock tube is suitable; Two layers of endoporus boundary are implemented chamfering, and the tapering of the angle of chamfering and taper lock tube is suitable.Tapered sleeve rotating disk bottom has chute, and the dog screw on the attic base gos deep in the chute, places restrictions on it and can only rotate and can not move up and down.Because the shape more complicated of tapered sleeve rotating disk, as preferably, the material selection engineering plastics or the cast aluminium of tapered sleeve rotating disk.
The taper lock tube is the pipe that a lower outer diameter has tapering, and taper partly has four strip breach, forms four arc-like sheets, when the taper lock tube receives downward thrust, can produce inside compression locking up-down steel pipe.Because the shape more complicated of taper lock tube and stressed bigger, as preferably, the material selection engineering plastics of tapered sleeve rotating disk are inlayed stainless steel tube or the whole cast aluminium that adopts outward.The both sides, top of taper lock tube are provided with two apertures, are used for inserting promoting pin, control the up-down of taper lock tube.
Lifting handle is closed oval annular, promotes that pin and ligulate lift block, lifting handle are orthogonal to weld together the back and insert in the aperture of taper lock tube.The tip of the tongue deflection of ligulate lift block at ordinary times, taper lock are enclosed within pressed downward under the effect of holddown spring, locking up-down steel pipe, and human weight is also downward, can further lock the up-down steel pipe.When lifting handle in horizontal direction the time, the taper lock tube is thus lifted to highest order, and its four strip breach part a little, but up-down steel pipe free lifting.Adopt on the fixing tapered sleeve rotating disk of hold-down screw the lower end of holddown spring, and its top then is fixed on and promotes on the pin.
The tip of the tongue deflection of ligulate lift block during normal use the, taper lock are enclosed within pressed downward under the effect of holddown spring, and it is free to rotate in propping up attic base with tapered sleeve locking rotating disk that locking up-down steel pipe, seat band the up-down steel pipe; When needs are regulated height, on carry or press down operating grip and make it horizontal, the taper lock tube is raised, its four strip breach part a little, but up-down steel pipe free lifting, the adjustment height.
The utility model is compared with original swivel chair, and the utility model does not have explosive source, has eliminated hidden peril of explosion, and is safe and reliable; Whole device is metal parts or the plastic components of using always, and production technology is also simpler, and cost is lower, and favourable marketing is popularized; The descending operation mode is similar with existing product, and is simple to operation.
Description of drawings
Fig. 1 is the partial cutaway schematic of the utility model structure.
The specific embodiment
The direction of sketch map is that seat is placed towards the right side, and operating grip is in the lower right of seat.
As shown in Figure 1; A kind of tapered sleeve locking type swivel chair lowering or hoisting gear; It mainly is made up of bearing steel pipe 1, balancing spring 2, up-down steel pipe 3, an attic base 4, tapered sleeve locking rotating disk 7, gusset piece 5 and seat supporting plate 6 etc., and it is characterized in that: up-down steel pipe 3 overlaps upper bracket dish 4, tapered sleeve rotating disk 7 backs are inserted and have been placed with in the bearing steel pipe 1 of balancing spring 2.
The steel pipe 11 preferred stainless steel tubes that adopt in the bearing steel pipe 1, the bottom of steel pipe 11 is welded with base plate 12, and the outer ring, upper end of steel pipe 11 is welded with the pad 13 of thickening, is used for the installation and processing screw thread.
Balancing spring 2 adopts cylindrical compression spring, and the internal diameter of its external diameter and steel pipe 11 is suitable.
The steel pipe 32 preferred stainless steel tubes that adopt of up-down steel pipe 3.Circular steel plate 31 of lower end welding of steel pipe 32, the internal diameter of the external diameter of circular steel plate 31 and steel pipe 11 is suitable.
Prop up attic base 4 and be welded by short steel pipes 42 and circular steel plate 41, the external diameter of the endoporus of circular steel plate 41 and steel pipe 32 is suitable, and attic base 4 top is set a position screw 43 and goed deep in the chute 78, and trip bolt 44 is established in the bottom and bearing steel pipe 1 interfixes.
Gusset piece 5 is welded in the upper end of up-down steel pipe 3, and the below of gusset piece is welded with nut 51, and the top is joined a bolt 52 and is used for seat supporting plate 6.
Tapered sleeve locking rotating disk 7 is made up of tapered sleeve rotating disk 71, taper lock tube 72, ligulate lift block 73, lifting pin 74, lifting handle 75, holddown spring 76 and hold-down screw 77 etc.Tapered sleeve rotating disk 71 is placed in the attic base 4; Its external diameter is suitable with the internal diameter of an attic base 4; The endoporus of tapered sleeve rotating disk 71 divides two layers, and the cylinder external diameter on the internal diameter of upper strata macropore and taper lock tube 72 tops is suitable, and the external diameter of the tapered middle of the internal diameter of lower floor's endoporus and taper lock tube 72 bottoms is suitable; Two layers of endoporus boundary are implemented chamfering, and the tapering of the angle of chamfering and taper lock tube 72 is suitable.Tapered sleeve rotating disk 71 bottoms have chute 78, and the dog screw 43 on the attic base 4 gos deep in the chute 78.
Claims (5)
1. tapered sleeve locking type swivel chair lowering or hoisting gear; Comprise bearing steel pipe, balancing spring, up-down steel pipe, an attic base, compositions such as tapered sleeve locking rotating disk, gusset piece and seat supporting plate, it is characterized in that: back insertions such as up-down steel pipe socket upper bracket dish, tapered sleeve locking rotating disk have been placed with in the bearing steel pipe of balancing spring.
2. tapered sleeve locking type swivel chair lowering or hoisting gear according to claim 1 is characterized in that: tapered sleeve locking rotating disk is made up of tapered sleeve rotating disk, taper lock tube, ligulate lift block, lifting pin, lifting handle, holddown spring and hold-down screw etc.
3. tapered sleeve locking type swivel chair lowering or hoisting gear according to claim 2; It is characterized in that: the external diameter of tapered sleeve rotating disk is suitable with an attic base internal diameter; The endoporus of tapered sleeve rotating disk divides two layers; The external diameter of the internal diameter of upper strata macropore and taper lock cover top cylinder is suitable, and the external diameter of the tapered middle of the diameter of lower floor's endoporus and taper lock tube is suitable.
4. tapered sleeve locking type swivel chair lowering or hoisting gear according to claim 2; It is characterized in that: the taper lock tube is the pipe that a lower outer diameter has tapering; Taper partly has four strip breach, forms four arc-like sheets, and the both sides, top of taper lock tube are provided with two apertures.
5. tapered sleeve locking type swivel chair lowering or hoisting gear according to claim 2 is characterized in that: promote that pin and ligulate lift block, lifting handle are orthogonal to weld together the back and insert in the aperture of taper lock tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220017041 CN202604193U (en) | 2012-01-10 | 2012-01-10 | Taper sleeve locking type swivel chair lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220017041 CN202604193U (en) | 2012-01-10 | 2012-01-10 | Taper sleeve locking type swivel chair lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202604193U true CN202604193U (en) | 2012-12-19 |
Family
ID=47337934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220017041 Expired - Fee Related CN202604193U (en) | 2012-01-10 | 2012-01-10 | Taper sleeve locking type swivel chair lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202604193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103622288A (en) * | 2013-12-12 | 2014-03-12 | 张立安 | Lightweight seat lifting mechanism |
| CN110300532A (en) * | 2017-01-19 | 2019-10-01 | 朴东宽 | The portable work chair of telescopic single leg |
-
2012
- 2012-01-10 CN CN 201220017041 patent/CN202604193U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103622288A (en) * | 2013-12-12 | 2014-03-12 | 张立安 | Lightweight seat lifting mechanism |
| CN110300532A (en) * | 2017-01-19 | 2019-10-01 | 朴东宽 | The portable work chair of telescopic single leg |
| CN110300532B (en) * | 2017-01-19 | 2022-06-17 | 朴东宽 | Portable work chair of telescopic single leg |
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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: 20121219 Termination date: 20150110 |
|
| EXPY | Termination of patent right or utility model |