CN202541208U - Castor assembly capable of being installed and removed quickly - Google Patents
Castor assembly capable of being installed and removed quickly Download PDFInfo
- Publication number
- CN202541208U CN202541208U CN2012201196932U CN201220119693U CN202541208U CN 202541208 U CN202541208 U CN 202541208U CN 2012201196932 U CN2012201196932 U CN 2012201196932U CN 201220119693 U CN201220119693 U CN 201220119693U CN 202541208 U CN202541208 U CN 202541208U
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- curved surface
- plate
- dismounting
- lower connecting
- connecting plate
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Abstract
The utility model relates to a castor assembly capable of being installed and removed quickly. The castor assembly comprises fixing plates, quick removing and installing lock mechanisms and directional or universal castors with trays. The castor assembly is characterized in that the quick removing and installing lock mechanisms are arranged between the fixing plates and the trays of the castors; each quick removing and installing lock mechanism comprises an upper connecting plate, an active plate, a lower connecting plate, a control handle, locating shafts and shaft sleeves; limiting long grooves parallel to each other are arranged on the active plate; a special-shaped curved surface nick is arranged on one side of each of the two limiting long grooves; a lock curved surface is formed by a removing return section curved surface, an installing advance section curved surface, a locking section curved surface, an installing locating section curved surface and a limiting section curved surface in the special-shaped curved surface nick; and the control handle is connected to the shaft sleeve corresponding to the special-shaped curved surface nick in a sliding manner. The castor assembly has the following beneficial effects: the castor assembly is especially suitable for the condition that medical equipment in cases need to be repeatedly encased, transported and warehoused during quick mobile rescues in field operations and earthquake relief work; and when the castor assembly needs to be transported and stored, the castor assembly is removed, thus being convenient for stacking.
Description
Technical field
The utility model belongs to hardware, relate in particular to a kind of can Fast Installation and dismounting caster wheel assembly.
Background technology
Case dress medical facilities the transportation of need casing repeatedly, storehouse reservation, are using the place to carry back and forth in field operations fast reserve rescue, earthquake relief work etc. are used.After the medical facilities vanning that constant weight is arranged, a kind of situation is four castors of fixed installation below casing, is convenient to carry out; Problem is not easy to transportation after being to install castor, is not easy to pile, is equipped with for a collection of case installing, if four castors are installed on each casing; Need a lot of castors; Cause the serious waste of resource like this, in case and castor damage and often can't repair, will cause whole packing chest to scrap; A kind of in addition situation is not adorn castor below the casing, can make things convenient for pile, but when mobile, must lift row with fork truck or several people, and problem is the scene of field operations fast reserve rescue, earthquake relief work, fork truck can not arranged everywhere, and many people lift capablely relatively wastes time and energy.The patent No. 200910306909.9; A kind of caster device is disclosed; Include castor and the erecting frame of said castor is installed, said erecting frame is provided with one first stop block, and said caster device also includes the carrier and the one handle that can be fixed on the mechanical equipment; Said erecting frame and said handle are through a primary shaft rotational fixation together; Said handle through one parallel with said primary shaft second be fixed on the said erecting frame, said handle can rotate along a first direction near said first stop block, and orders about said first stop block and make said erecting frame rotate along said first direction around said primary shaft relative to said carrier.This patent structure is complicated, operation inconvenience, and locking is insecure, the requirement of carrying out in the time of can not satisfying than the operation in the open air of loaded van dress medical facilities.Especially being inappropriate for medical facilities uses in field operations fast reserve rescue, earthquake relief work.
The utility model content
The purpose of the utility model is to overcome the deficiency of above-mentioned technology; And provide a kind of can Fast Installation and dismounting caster wheel assembly; When needs transportation and storage, castor assembly is pulled down, in the time need moving at the scene; Can fast castor assembly be installed in bottom half, it is time saving and energy saving to move heavier equipment.Can Fast Installation have commonality, satisfy the use that a collection of case installing is equipped with, can save funds like this, can improve the fast reserve ability again with a spot of castor with dismounting caster wheel assembly.
The utility model is for realizing above-mentioned purpose; Adopt following technical scheme, a kind of can Fast Installation and dismounting caster wheel assembly, comprise the orientation or the universal caster wheel of adapter plate, fast dismounting lockable mechanism and band pallet; It is characterized in that: be provided with fast dismounting lockable mechanism between the pallet of said adapter plate and castor; Said fast dismounting lockable mechanism comprises upper junction plate, portable plate, lower connecting plate, control handle, fix shaft and axle sleeve, and said plate shape portable plate is provided with parallel each other spacing elongated slot, and two spacing elongated slot one sides are provided with special-shaped curved breach; Said special-shaped curved breach constitutes the locking curved surface by dismounting rollback section curved surface, the installation section of advancing curved surface, a tight lock section curved surface, installing and locating section curved surface and spacing section curved surface; The special-shaped curved breach of corresponding portable plate and three fix shafts of two spacing elongated slot stationkeeping on the said lower connecting plate, said fix shaft center is provided with negative thread, and said axle sleeve is enclosed within on the fix shaft; Slidely connect control handle on the axle sleeve of the special-shaped curved gap position of said correspondence; Said control handle is made up of cam, operating handle and disk, and said cam places on the disk cylindrical circumference, and cam, disk and operating handle constitute whole control handle; Said cam periphery and said locking curved surface touch; Said upper junction plate is threaded with fix shaft through flathead screw, and said portable plate places between upper junction plate and the lower connecting plate, two square edges of said adapter plate respectively with portable plate, the lower connecting plate two square edge crimp connections of fast dismounting lockable mechanism; The little limit of interior folding of said lower connecting plate is buckled in the upper surface of adapter plate, and the pallet of lower connecting plate and castor is affixed.
Be with axle sleeve on the fix shaft on the said lower connecting plate; Said axle sleeve respectively with the centre hole bearing fit of said spacing elongated slot and control handle disk; Said spacing elongated slot width is than the big 0.5mm of axle sleeve diameter, two axle sleeves respectively with spacing elongated slot lateral wall closed contact, madial wall leaves the gap.
The both sides that said lower connecting plate contacts with adapter plate, inwardly folding has little limit.
The line of centers angle of the cam centre line of said control handle and operating handle is 143 degree.
Spacing elongated slot of said portable plate and square edge angle are 45 degree.
Said adapter plate has two mutually perpendicular square edges, and its one-tenth-value thickness 1/10 is less than the spacing of lower connecting plate and upper junction plate, and its height value is less than the spacing on plane on the lower connecting plate and the little limit of interior folding.
Beneficial effect: be particularly useful for that case dress medical facilities need be cased transportation, storehouse reservation repeatedly in field operations fast reserve rescue, earthquake relief work, use in the operating mode of using the place to carry back and forth.When needs transportation and storage, castor assembly is pulled down, be convenient to pile; In the time need moving at the scene, can fast castor assembly be installed in bottom half, it is time saving and energy saving to move heavier equipment, and this castor assembly has commonality, satisfies the use that a collection of case installing is equipped with a spot of castor.Can reach simple in structure, make easily, convenient disassembly, locking is reliable, is difficult in the use becoming flexible the purpose that result of use is good.
Description of drawings
Fig. 1 is the schematic three dimensional views of the utility model;
Fig. 2 is the scheme of installation of the utility model and casing;
Fig. 3 is the decomposing schematic representation of the utility model;
Fig. 4 is the portable plate schematic three dimensional views of fast mechanism for assembling-disassembling;
Fig. 5 is the control handle schematic three dimensional views of fast mechanism for assembling-disassembling;
Fig. 6,7,8,9 is respectively that control handle promotes the front elevation of portable plate at diverse location;
Figure 10 is the partial schematic diagram that portable plate contacts with axle sleeve;
Figure 11,12,13 is respectively that control handle promotes the schematic three dimensional views of portable plate at diverse location.
Among the figure: 10; Adapter plate 11; Screw 20; Fast dismounting lockable mechanism 21; Bolt 22; Fix shaft 23; Control handle 231; Cam 232; Operating handle 233; Disk 24; Portable plate 241; Dismounting rollback section curved surface 242; The installation section of advancing curved surface 243; Tight lock section curved surface 244; Installing and locating section curved surface 245; Spacing section curved surface 246; Spacing elongated slot 25; Axle sleeve 26; Upper junction plate 27; Flathead screw 28; Lower connecting plate 29; The little limit 30 of interior folding; The orientation or the universal caster wheel 31 of band pallet; Hexagonal nut.
The specific embodiment
The specific embodiment below in conjunction with accompanying drawing and preferred embodiment detailed description the utility model.As shown in the figure; A kind of can Fast Installation and dismounting caster wheel assembly, comprise the orientation or the universal caster wheel 30 of adapter plate 10, fast dismounting lockable mechanism 20 and band pallet, it is characterized in that: said adapter plate is fixed on the packing chest bottom; Said fast dismounting lockable mechanism is threaded with the pallet of castor; Said fast dismounting lockable mechanism comprises upper junction plate 26, portable plate 24, lower connecting plate 28, control handle 23, fix shaft 22 and axle sleeve 25, and said plate shape portable plate is provided with 246, two spacing elongated slot one sides of parallel each other spacing elongated slot and is provided with special-shaped curved breach; Said special-shaped curved breach constitutes the locking curved surface by dismounting rollback section curved surface 241, the installation section of advancing curved surface 242, a tight lock section curved surface 243, installing and locating section curved surface 244 and spacing section curved surface 245; The special-shaped curved breach of corresponding portable plate and three fix shafts of two spacing elongated slot stationkeeping on the said lower connecting plate, said fix shaft has negative thread, and said axle sleeve is enclosed within on the fix shaft; Slidely connect control handle on the axle sleeve of the special-shaped curved gap position of said correspondence; Said control handle is made up of cam 231, operating handle 232 and disk 233, and said cam places on the disk cylindrical circumference, and cam, disk and operating handle constitute whole control handle; Said cam periphery and said locking curved surface touch, i.e. each curved surface contact of special-shaped curved breach.Said upper junction plate is threaded with fix shaft through flathead screw 27; Said portable plate is between upper junction plate and lower connecting plate, and under the effect of control handle and fix shaft, portable plate advances and retreats; With adapter plate and lower connecting plate dieback with unclamp, realize the Fast Installation and the dismounting of castor assembly.During installation two square edges of said adapter plate respectively with portable plate, the lower connecting plate two square edge crimp connections of fast dismounting lockable mechanism, the little limit of interior folding of said lower connecting plate is buckled in the upper surface of adapter plate.Be with axle sleeve on the fix shaft on the said lower connecting plate; Said axle sleeve respectively with the centre hole bearing fit of said spacing elongated slot and control handle disk; Said spacing elongated slot width is than the big 0.5mm of axle sleeve diameter, two axle sleeves respectively with spacing elongated slot lateral wall closed contact, madial wall leaves the gap.There is the little limit 29 of inside folding on the both sides that said lower connecting plate contacts with adapter plate, prevent that bump the rear truckle assembly falls down by mistake.The line of centers angle of the cam centre line of said control handle and operating handle is 143 degree.Spacing elongated slot of said portable plate and square edge angle are 45 degree.Said adapter plate has two mutually perpendicular square edges, and its one-tenth-value thickness 1/10 is more smaller than lower connecting plate and upper junction plate spacing, and its height value is more smaller than plane on the lower connecting plate and the little limit of interior folding spacing.
Working process and principle:
Two axle sleeves are in the spacing elongated slot of portable plate, and are smooth and easy for guaranteeing the portable plate activity, and spacing elongated slot width is than the big 0.5mm of axle sleeve diameter, and when mounted two axle sleeves respectively with spacing elongated slot outside closed contact, inboard gapped, control handle is enclosed within on the axle sleeve.Portable plate be provided with one section special-shaped curved; Special-shaped curvedly be divided into dismounting rollback section, the section of advancing is installed, tightly locks section, installing and locating section, spacing section, control handle is made up of cam, operating handle, disk, special-shaped curvedly contacts with the cam point of control handle; The control handle cw turns over 90 when spending; Cam contacts with the special-shaped curved installation section of advancing, tight lock section, installing and locating section respectively, promotes portable plate and moves forward, with adapter plate both sides and lower connecting plate both sides dieback.Through turning handle, drive the portable plate motion, with adapter plate and lower connecting plate dieback with unclamp the Fast Installation and the dismounting of realization castor assembly.Adapter plate links to each other with packing chest through screw 11, and castor is connected with lower connecting plate through bolt 21, hexagonal nut 31, and castor is the direction-caster or the universal caster wheel of band pallet.
Three fix shaft one ends are fixed on the lower connecting plate, and there is negative thread at the fix shaft center, and upper junction plate is connected with fix shaft through flathead screw 27; Three axle sleeves are enclosed within respectively on the fix shaft, and two axle sleeves are in the spacing elongated slot of portable plate, and are smooth and easy for guaranteeing the portable plate activity; Spacing elongated slot width is than the big 0.5mm of axle sleeve diameter; And when mounted two axle sleeves respectively with position-limited trough outside closed contact, inboard gapped, control handle is enclosed within on the axle sleeve.Portable plate be provided with one section special-shaped curved, special-shaped curvedly be divided into dismounting rollback section, the section of advancing is installed, tightly locks section, installing and locating section, spacing section, control handle is made up of cam, operating handle, disk; Special-shaped curvedly contact with the cam point of control handle, the control handle cw turns over 90 when spending, and cam contacts with the special-shaped curved installation section of advancing, tight lock section, installing and locating section respectively; The promotion portable plate moves forward, and with adapter plate both sides and lower connecting plate both sides dieback, spends to 74 degree from 0; Cam contacts with the installation section of advancing, and when cam contacted with the installation section of advancing latter end, portable plate pushed up the adapter plate both sides on the lower connecting plate both sides; Tight lock section is installed the section of advancing relatively to be had protrudingly a little, spends to 82 degree from 74, and cam section contacts with tightly locking; With the highest point that arrives the raised section, portable plate has not had amount of movement, with producing slight distortion; Spend to 90 degree from 82, the urgent gradually lock of cam section moves on to the installing and locating section, and portable plate will discharge deflection.After locking is installed, avoids mistake to bump and open.When dismounting, rotate counterclockwise control handle, when tension lock section, need firmly pull operating handle equally, control handle forwards 16 to and spends to 0 degree, and cam contacts with dismounting rollback section, and portable plate is retreated, and adapter plate and lower connecting plate unclamp.Can take off castor assembly fast.Spacing section of portable plate constantly with the disk moving contact of control handle, cause portable plate three-point fix all to be arranged in any position.The line of centers angle of the cam centre line of control handle and operating handle is 143 degree.Spacing elongated slot becomes 45 degree to distribute with square edge, in injection moulding process, metaboly occurs, and when locking, slight deformation can be provided, and portable plate is carried out local hollow out, keeps wall thickness even as far as possible.Portable plate is that polyformaldehyde material is injection molded.
This paper design can Fast Installation with dismounting caster wheel component process in, through repetition test,, be the part test situation below through repeatedly revising.Produce the not firm phenomenon of tight lock in order to prevent that mistake from bumping; Designed the tight lock section curved surface of portable plate; The tight lock section Duan Youyi section of advancing relatively is protruding; Firmly size and the stressed size that prevents that mistake from bumping when protruding size has determined that the adult operates, promptly will install, during dismounting with hand ability easy operating, can stop general mistake to be bumped again.Be generally the crouching appearance during operation, need to consider man-machine work efficiency, the operating handle of control handle is combined into people's palm situation and the space size design is a certain value.A tight lock section Machining of Curved Surface caster wheel assembly that plays size (1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm) in the face of different convex down carries out installation and removal to be tested.Through test, firmly also just big more during installation and removal when a tight lock section curved protrusion is of a size of when increasing gradually, when uneven ground is carried out in the open air, be not easy more to bump by mistake and come off.When but tightly lock section curved protrusion size was more than or equal to 3mm, the portable plate deflection increased during installation and removal, the phenomenon of breakage occurs.Therefore it is optimum that tight lock section curved protrusion size is got 2.5mm.
To the case of 150kg dress medical facilities, in the open air under the uneven ground service condition, carry out four castor assemblies of installation and removal time, move castor assembly locking reliability test when carrying out.The time of four castor assemblies of installation and removal, method of operation, a people lifts one jiao of casing slightly; An other people carries out the installation and removal castor; Record writes down four castor assemblies from holding control handle to the time that installs or take off castor at every turn, carries out 10 tests; Test results is as shown in table 1, and the time that shows a castor assembly of installation or removal is in 10s.
The time of each four castor assemblies of installation and removal of table 1
Move castor assembly locking reliability test when carrying out; Select the case dress medical facilities of 10 150kg for use; Wherein load onto this paper design-calculated castor assembly for 5; Load onto present general-duty castor (employing is bolted to bottom half) for 5 in addition, carry out back and forth, the number of times that record is carried out when damaging at the open-air uneven ground that 100m is long.Test results is as shown in table 2, and the number of times that this paper design-calculated castor assembly does not damage mainly damages at castor itself more than 200 times, and fast dismounting lockable mechanism does not have the phenomenon of damaging because locking is reliable, bearing surface is big, stressed dispersion; The number of times that general castor does not damage is no more than 50 times, mainly damages in castor and bottom half junction.Therefore this paper design-calculated can Fast Installation can satisfy under the open-air harsh conditions with dismounting caster wheel assembly and uses.
Table 2 uneven ground outside the 100m Nagano is carried out the number of times (unit: inferior) that do not damage back and forth
The above only is the preferred embodiment of the utility model, is not the structure of the utility model is done any pro forma restriction.Every technical spirit according to the utility model is to any simple modification, equivalent variations and modification that above embodiment did, all still belongs in the scope of technical scheme of the utility model.
Claims (6)
- One kind can Fast Installation and dismounting caster wheel assembly; The orientation or the universal caster wheel that comprise adapter plate, fast dismounting lockable mechanism and band pallet; It is characterized in that: be provided with fast dismounting lockable mechanism between the pallet of said adapter plate and castor; Said fast dismounting lockable mechanism comprises upper junction plate, portable plate, lower connecting plate, control handle, fix shaft and axle sleeve, and said plate shape portable plate is provided with parallel each other spacing elongated slot, and two spacing elongated slot one sides are provided with special-shaped curved breach; Said special-shaped curved breach constitutes the locking curved surface by dismounting rollback section curved surface, the installation section of advancing curved surface, a tight lock section curved surface, installing and locating section curved surface and spacing section curved surface; The special-shaped curved breach of corresponding portable plate and three fix shafts of two spacing elongated slot stationkeeping on the said lower connecting plate, said fix shaft center is provided with negative thread, and said axle sleeve is enclosed within on the fix shaft; Slidely connect control handle on the axle sleeve of the special-shaped curved gap position of said correspondence; Said control handle is made up of cam, operating handle and disk, and said cam places on the disk cylindrical circumference, and cam, disk and operating handle constitute whole control handle; Said cam periphery and said locking curved surface touch; Said upper junction plate is threaded with fix shaft through flathead screw, and said portable plate places between upper junction plate and the lower connecting plate, two square edges of said adapter plate respectively with portable plate, the lower connecting plate two square edge crimp connections of fast dismounting lockable mechanism; The little limit of interior folding of said lower connecting plate is buckled in the upper surface of adapter plate, and the pallet of lower connecting plate and castor is affixed.
- 2. according to claim 1 can Fast Installation and dismounting caster wheel assembly; It is characterized in that: be with axle sleeve on the fix shaft on the said lower connecting plate; Said axle sleeve respectively with the centre hole bearing fit of said spacing elongated slot and control handle disk; Said spacing elongated slot width is than the big 0.5mm of axle sleeve diameter, two axle sleeves respectively with spacing elongated slot lateral wall closed contact, madial wall leaves the gap.
- 3. according to claim 1 and 2 can Fast Installation and dismounting caster wheel assembly, it is characterized in that: the both sides that said lower connecting plate contact with adapter plate, the inside folding has little limit.
- 4. according to claim 1 can Fast Installation and dismounting caster wheel assembly, it is characterized in that: the line of centers angle of the cam centre line of said control handle and operating handle is 143 to spend.
- 5. according to claim 1 can Fast Installation and dismounting caster wheel assembly, it is characterized in that: the spacing elongated slot of said portable plate and square edge angle are 45 to spend.
- 6. according to claim 1 can Fast Installation and dismounting caster wheel assembly; It is characterized in that: said adapter plate has two mutually perpendicular square edges; Its one-tenth-value thickness 1/10 is less than the spacing of lower connecting plate and upper junction plate, and its height value is less than the spacing on plane on the lower connecting plate and the little limit of interior folding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201196932U CN202541208U (en) | 2012-03-27 | 2012-03-27 | Castor assembly capable of being installed and removed quickly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201196932U CN202541208U (en) | 2012-03-27 | 2012-03-27 | Castor assembly capable of being installed and removed quickly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202541208U true CN202541208U (en) | 2012-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201196932U Withdrawn - After Issue CN202541208U (en) | 2012-03-27 | 2012-03-27 | Castor assembly capable of being installed and removed quickly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202541208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529576A (en) * | 2012-03-27 | 2012-07-04 | 中国人民解放军军事医学科学院卫生装备研究所 | Trundle assembly capable of being assembled and disassembled quickly |
-
2012
- 2012-03-27 CN CN2012201196932U patent/CN202541208U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529576A (en) * | 2012-03-27 | 2012-07-04 | 中国人民解放军军事医学科学院卫生装备研究所 | Trundle assembly capable of being assembled and disassembled quickly |
| CN102529576B (en) * | 2012-03-27 | 2013-12-04 | 中国人民解放军军事医学科学院卫生装备研究所 | Trundle assembly capable of being assembled and disassembled quickly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121121 Effective date of abandoning: 20131204 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121121 Effective date of abandoning: 20131204 |
|
| RGAV | Abandon patent right to avoid regrant |