CN2334385Y - Patient bed rocker arm device with safety regulation - Google Patents

Abstract

The utility model relates to a patient bed rocker arm device with safety regulation. A remote control linkage end forms a U-shaped recessed sleeve tube, an elastic member and a rotation bearing set are orderly penetrated in the sleeve tube matching with a T-shaped rod, and the outer side of the sleeve tube is locked and positioned through a locking cover to ensure that the sleeve tube and a linkage rod are connected together. Then the end of the T-shaped rod is locked with a joint used for adjusting an arm rod, while the connection of a whole rocker arm set can be locked and adjusted through the locking cover to achieve certain closing transmission combination. Through the elastic pressing adjustment of a built-in elastic member, the whole rocker arm set can be adjusted and converted under linkage pressure; when the rotary control resistance of the rocker arm exceeds locking elastic resistance, the utility model is idle to ensure that the rocker arm set is safe in use.

Description

Has the sick bed rocker actuator that safety is adjusted

This utility model relates to a kind of sick bed rocker actuator that safety is adjusted that has, it is that a kind of packing by built-in elastic component links, make its lock that reaches certain pressure knot transmission, when changeing governor pressure greater than lock knot pressure, can make the commentaries on classics control of whole rocking bar group form idle running, guarantee that rocking bar changes the sick bed rocker actuator that safety is adjusted that has that control adjustment has the safe handling effect.

General common sick bed design; because the progress of modern industrial technology adds the progress of whole scientific and technological development; variously use needs in response to different patients; and have different improvement bed accessorys constantly to be developed; but design with whole bed accessory; what it was the most basic is bed surface pitching adjustment; can sit the conversion different gestures that crouches for the patient; make it reach the purpose of comfortable use; and for sleeping in adjustment of existing common seat designed; main structural design such as Fig. 6 of adjusting; shown in Figure 7; mostly in the bottom of whole sick bed 30; be assembled into head of a bed bottom to cooperate a rocking arm 31 to connect a trace 32; assemble a handwheel 33 again; rotation rocking arm 31 by handwheel 33; rotate to change whole trace 32 of control; with the affixed joint 34 of trace 32 1 ends; control links to each other with the armed lever 35 that changes control pushing and withstanding bed surface 36; form the pitching adjustment of mattress face; and with these direct interlock transmission control design; its biggest advantage is that whole member is very simple; but the whole application of force is because be direct interlock control; adding all positions that are connected is the design of bolt knot fully; so very require great effort when shaking operation; severe patient more; because the mattress face is done pitching adjustment angle its certain restriction is just arranged originally; and in the direct interlock mode of tradition; when shaking bowing of maximum; when facing upward the position; then it is because no suitable safety design; when the operator does not observe; and when continuing the application of force and shaking handwheel 33; then because over-drastic rotation urging; the system of the moulding joint of inner trace 32 ends being assembled through regular meeting 34 is twisted off to be split; so that can't transmission use; perhaps will generally mould rocking arm 31 parts of system; formation is broken or is split because torsion is excessive; more severe patient has the fashion may be with trace 32 or rocking arm 31 torsional deflections; so that can't continue to use; and must renew; and these are because the caretaker desires to ask and makes the patient can adjust to the more comfortable position of patient's use rapidly; adjust the restriction of using so can't remove to note this bed surface 36 usually; so that sick bed rocking bar group is often made a mess of and need be renewed; and this also general just medical care institutes and treatment personnel feel puzzlement most; how to develop one and have the rocking bar group design that safe limit power is changeed control, the necessity that has it to use in fact.

The design person is a sick bed specialty maker, because existing various sick bed tool is in actual manufacturing, the many shortcomings that manifested in the use, because it each has the special tool characteristic of design, but the transmission control of set rocking bar tool designs when bed surface is adjusted pitching, still be difficult to break through the defective in above-mentioned many uses, be through anxious heart test and research and a creation spirit of working with perseverance, finally develop a kind of sick bed rocker actuator of this utility model with safety adjustment, assembling by bearing group, cooperate the jogging of the extrusion elastic component binding transmission control of exerting pressure, frictional force by the elasticity extrusion, make it reach the adjustment that links pressure when rocking bar changes control, with overcome really existing rocking bar use in the operation obvious many defectives.

Main purpose of the present utility model is to overcome the defective that prior art exists, and a kind of extrusion transmission resistance between face that can simple and easy adjustment connects is provided, make the rotation torsion of rocking bar limited by certain safe interlock, when the application of force surpasses the interlock value; rocking arm can be idle running and can not destroy the assembling of whole rocking bar, guarantees that sick bed has pitching and adjusts operational safe and practical property.

The purpose of this utility model is realized by following technical scheme.According to the sick bed rocker actuator that safety is adjusted that has that the utility model proposes, it includes a rocking arm and trace and joint, wherein the end of trace forms the U-shaped shape pipe box that falls, put a cushion in advance in pipe box inside, wear group one T shape bar again, and on pole face, place flexible in regular turn, the bearing group member, cooperate again and give sealed with a closing cap by the outside, lock and push against pressure by adjusting closing cap, form the packing operation that T shape bar compresses elastic component, make the one that links to each other between T shape bar and pipe box thereby reach, constitute a complete rocking bar group jointly, and support the adjustment of frictional resistance by lock, stressed with the safety of setting rocking bar commentaries on classics control, when the application of force surpassed, rocking arm just can dally naturally, guarantees the safety of using.

The purpose of this utility model can also further realize by following technical measures.

Aforesaid sick bed rocker actuator with safety adjustment, wherein said closing cap can be designed to convex character shape or ㄇ shape.Aforesaid sick bed rocker actuator with safety adjustment, wherein said elastic component can be taper shell fragment or spring.

This utility model compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, the utlity model has the sick bed rocker actuator that safety is adjusted, its binding transmission with easy elastic component extrusion packing is stressed, the idle running design when big of loading of fitted bearing group, the rotation torsion of rocking bar group that can put in order group when overloading, certain safe handling effect that reaches release, and produced handy and practical effect, and have the effect of enhancement really, thus be suitable for practicality more, really be a new and innovative, progressive, practical new design.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is the solid assembling exploded view of this utility model rocking bar tool.

Fig. 2 is this utility model rocking bar assembling outward appearance reference diagram.

Fig. 3 is this utility model rocking bar assembling plane reference diagram.

Fig. 4 is an assembling signal reference diagram behind this utility model rocking bar interlocking.

Fig. 5 is the another kind of assembled embodiment of a this utility model plane reference diagram.

Fig. 6 is an existing rocking bar assembling plane reference diagram.

Fig. 7 is an operating beds assembling outward appearance reference diagram.

Below in conjunction with accompanying drawing and preferred embodiment, to according to the sick bed rocker actuator that safety is adjusted that has that the utility model proposes, its concrete structure, feature and effect thereof, describe in detail as after.

See also Fig. 1, shown in Figure 2, the utlity model has the sick bed rocker actuator that safety is adjusted, its whole rocking bar group is provided with a rocking arm 10 and trace 11 etc. and forms mutually, but then be set as the pipe box 12 of a U-shaped shape in the termination of trace 11, the inside that falls at pipe box 12, cooperate rebasing earlier with a cushion 13, insert with a T shape bar 14 again, and on the pole face of T shape bar 14, place an elastic component 15 in regular turn, a bearing group 16 and a closing cap 17, wherein elastic component 15 can the taper shell fragment as shown in Figure 3, or replace with spring, and be preset with flank 18 at the inner edge port of export of pipe box 12, it can do the operation that is mutually locked with closing cap 17, and by the assembling of locking of convex character shape closing cap 17, make extrusion bearing group 16 so that elastic component 15 that it can be suitable, make and compress elastic component 15 and suitably be out of shape, as shown in Figure 4, and with elastic component 15 had the combination of elastic force pushing and withstanding, but make T shape bar 14 and 12 packings of pipe box connect to same bar tool shape, when rotating rocking arm 10, can make trace 11 and T shape bar 14 unitary rotation, and organize a joint 20 at the external part lock of T shape bar 14, it can be articulated, as the adjustment of whole bed group pad face 22 luffing angles with armed lever 21.

And with the designed rocking bar of this utility model, its whole interlock ability depends on the size of the frictional resistance of mutual pushing and withstanding between pipe box 12 inner bottom surfaces and T shape bar 14 end faces fully, that is cooperate closing cap 17 sealed pressure and decide, after rocking bar group structure is appropriate, get final product the stressed of suitable its whole commentaries on classics control of adjustment, i.e. stressed when with whole commentaries on classics control, promptly the power of working as whole commentaries on classics control is set under certain security value (s), rotating rocking arm 10 adjusts when operating, because the binding strength of inner transmission has certain restriction, when the torque value of the application of force surpasses the numerical value of setting, will form to form between pipe box 12 inner bottom surface cushions 13 and T shape bar 14 end faces and change the state that slides, and cooperate the setting of built-in bearing group 16, and the rocking arm 10 of whole rocking bar group is when continuing the application of force and rotate, and it just can form idle state, inner T shape bar 14 then can not rotate thereupon, so then can reach real safety and prevent that the application of force is excessive, cause the structural damage of rocking bar group, reach the protection effect of safe handling really.

And with the benchmark that is designed to of the present utility model, use for asking convenient the making, also can be designed to as shown in Figure 5, be about to closing cap 17 and do suitable conversion with the lock knot mode of pipe box 12, be about to closing cap 17 and also be set as a ㄇ shape, and the flank 18 of former the design in pipe box 12 inside more is set to the outer edge surface of pipe box 12, and opposite closing cap 17 is direct closing cap outer edge surfaces to pipe box 12, the locking adjustment of convenient whole closing cap pressure, it also can reach identical lock knot and the control of safe torsion, and design by the lock knot of this safety, can reach certain safe rocking bar adjustment assembling.

Claims (3)

1. one kind has the sick bed rocker actuator that safety is adjusted, it includes a rocking arm and trace and joint, it is characterized in that: the end of trace forms the U-shaped shape pipe box that falls, put a cushion in advance in pipe box inside, wear group one T shape bar again, and on pole face, place flexible, bearing group member in regular turn, cooperate again to give sealed with a closing cap by the outside.

2. the sick bed rocker actuator with safety adjustment according to claim 1 is characterized in that described closing cap can be designed to convex character shape or ㄇ shape.

3. the sick bed rocker actuator with safety adjustment according to claim 1 is characterized in that described elastic component can be taper shell fragment or spring.

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