CN110141717A - A kind of easy adjustable type transfusion chair with buffering effect - Google Patents

Abstract

The invention belongs to transfusion chair technical fields, specifically disclose a kind of easy adjustable type transfusion chair with buffering effect, including seat, the chair back and chair leg, the seat includes pedestal and cushion, the cushion can be slided along base inner wall, the bottom of the cushion and the inner wall of pedestal are enclosed cushion chamber, buffer unit is equipped in the cushion chamber, the buffer unit includes guide plate, fixed plate, the movable plate and the gear between the guide plate and movable plate being slidably connected with the fixed plate, the top of the guide plate and the bottom centre of the cushion are affixed, and the bottom end of the guide plate is connect by damping spring with the bottom of the cushion chamber, the bottom end of the fixed plate and the bottom of the cushion chamber are affixed, the gear engages respectively with the guide plate and movable plate.The present invention can effectively overcome the problem of transfusion chair is without buffering effect, while solve the problems, such as that transfusion pole height is not easy to adjust.

Description

A kind of easy adjustable type transfusion chair with buffering effect

Technical field

The present invention relates to transfusion chair technical fields, and in particular to a kind of easy adjustable type transfusion chair with buffering effect.

Background technique

Transfusion chair is also drop chair, is mainly used for medical institutions and gives patient's infusion, in early days using very simple seat or It is sofa, quality, safety, ease for use is all very poor, and with the development of society and productivity, infusion is by simple seat towards more function Can, comfortably, safety, the directions such as environmental protection are developed, and also can preferably look after patient in terms of ease for use.

China Patent No. CN201621234566.1 discloses a kind of transfusion chair with automatic telescopic infusion support, including defeated Liquid chair ontology is equipped with infusion support on transfusion chair ontology, and infusion support includes fixing head, and motor is equipped in fixing head, motor Output shaft is fixedly connected with drive rod, and drive rod is threaded with nut, and telescopic rod is fixed on nut, and telescopic rod is set in biography In lever；It is arranged with protective case cylinder outside the telescopic rod, protects one end of sleeve to be fixedly connected with fixing head, telescopic rod cross section Maximum turning radius be greater than protection sleeve cross section the least radius of gyration；Motor switch is provided on transfusion chair ontology, electricity Machine switch and motor electrical connection；But patient's infusion usually requires the long period, which does not have the effect of buffering and damping Fruit, after the more serious patient of the state of an illness is in use, have compared with big-movement, seat is stiff, along with limb rigidity can make patient not Comfortable or even influence treatment, secondly, can not buffer shock-absorbing when by uneven road surface or poor surface conditions, can make to cause Transfusion chair jolts, and riding comfort substantially reduces, furthermore, the height of transfusion pole is not easy to adjust, influence using.In another example China is specially Benefit CN201520664778.2 discloses a kind of children infusion chair, including pedestal, chair legs, universal wheel, foot pedal etc., institute It states and is fixedly connected with hydraulic cylinder at the top of pedestal, the top of the hydraulic cylinder is flexibly connected with piston, the top of the piston Portion is connected with telescopic mast, and damping device is provided at the top of the telescopic mast, is fixedly connected at the top of the damping device There is seat plate, the inside of the damping device is equipped with damping spring, although damping spring can reduce vibration, spring itself is also Reciprocating motion is had, on the one hand spring fatigue is caused to damage, patient's shaking is on the other hand also resulted in, is unfavorable for the stabilization of infusion Property；Secondly, spring decrease speed is very fast, also it is unfavorable for the stability of patient's infusion.

Summary of the invention

For disadvantages mentioned above present in the prior art, the present invention provides a kind of, and the easy adjustable type with buffering effect is defeated Liquid chair can not have the problem of buffering effect efficiently against the transfusion chair present in the prior art, while solve infusion Bar height is not easy the problem of adjusting.

A kind of easy adjustable type transfusion chair with buffering effect, including seat, the chair back and chair leg, the seat include pedestal And cushion, the cushion cover is set in pedestal, and can be slided along base inner wall, and the bottom of the cushion and the inner wall of pedestal enclose Cushion chamber is formed, is equipped with buffer unit in the cushion chamber, the buffer unit includes guide plate, guide plate side wall described in face The movable plate and the tooth between the guide plate and movable plate that respectively arranged fixed plate and the fixed plate are slidably connected Wheel, the top of the guide plate and the bottom centre of the cushion are affixed, and the bottom end of the guide plate by damping spring and The bottom of the cushion chamber connects, and the bottom end of the fixed plate and the bottom of the cushion chamber are affixed, and the top of the fixed plate End is protruded into the cushion chamber, and the gear engages respectively with the guide plate and movable plate.

Using above-mentioned technical solution: when in use, patient is sitting on seat, can be because the activity of itself or transfusion chair move Jolting during dynamic, is subjected to displacement seat in the vertical direction, height change occurs, and buffer unit starts to act at this time, When cushion is declined by external impact position, the position of guide plate declines therewith, drives the gear being engaged with to rotate, in turn It will drive movable Board position to rise, movable plate eventually contacts cushion, forms cushion two strands of opposite up and down active forces, i.e., outer The impact force in portion is downward, and damping spring and movable plate give upward support force, multilayer decomposition is carried out to power, thus by seat Rapid decrease become slowly declining, play buffer function, the position of guide plate continues to decline, bottom connection damping spring Play further buffer function；Whereby, the bottom of seat is provided with the effect of good vertical direction bumper and absorbing shock, secondly, The effect of movable plate and gear, greatly limits the reciprocating motion of damping spring, and patient can be more comfortable when taking.

Further, the cross section of the guide plate is in n-shaped, and N is more than or equal to 3, each of described n-shaped side wall One or more gears are distributed on the outside of side.

Further, the position of movable plate described in the bottom end face of the cushion is provided with cushion；So that on movable plate Rising the process contacted with cushion bottom end has certain compression space, and contact is steady, reduces the impact to patient, further increases Comfort；Moreover, cushion cooperation movable plate, gear and damping spring effect, can be improved shock loading and bumper and absorbing shock energy Power.

Further, the bottom end of the guide plate is provided with limit plate, the position of fixed plate described in the limit plate face Equipped with through-hole, so that the fixed plate passes through, the outside of the limit plate is bonded with the inner wall of the cushion chamber, so that guide plate It is only capable of doing straight reciprocating motion, the cushion effect of the damping spring of its underpart can uniformly be transmitted to guide plate, and preferably buffering is outer Portion's impact force, can be multiple into playing guiding role in the process in cushion.

It further, further include the transfusion pole for being fixedly arranged on the side of the seat, the transfusion pole includes lower beam and can stretch Contract the upper boom being nested into the lower beam, and the upper boom has multiple regulating tanks, the regulating tank uniformly at intervals side by side along its length It is successively arranged compressed spring and pin from inside to outside, the position that the lower beam corresponds to one of them regulating tank, which is equipped with, to be adjusted Hole, movable push button is equipped in the adjustment hole, and the end of the push button and the dowel contact are arranged.

Further, the push button includes pressing lever and the reset spring that is sheathed on the pressing lever, described to press The end of compression bar is installed with limiting section, and the both ends of the reset spring abut the outside of the limiting section and the lower beam respectively.

Further, it is installed with hanger, suspension hook on the transfusion pole, hook is facilitated to hang water bottle etc..

Using above-mentioned technical solution: the pin and the pressing lever may pass through regulating tank and adjustment hole and can adjust The regulating tank can be passed through under the elastic acting force of compressed spring by saving activity, pin in slot and adjustment hole, be located at the adjusting The intersection of slot and adjustment hole realizes the fixation of upper boom and lower beam, and infusion pole length locks automatically, and structure is simple, easy to operate； The push button is arranged with respect to pin, presses pressing lever, makes pressing lever contact pin and pin is made to be withdrawn into adjusting by adjustment hole In slot, upper boom can be slided at this time, so that the collapsing length of transfusion pole is adjusted, so that transfusion pole is not in telescopic adjustment Shake is shaken, so that it is guaranteed that the safety of infusion；After the completion of adjusting, pressing lever is unclamped, pressing lever can be in the work of reset spring With lower pop-up adjustment hole, facilitate taking-up push button.

Further, the fixed cleaning assembly in the outside of the chair back, the cleaning assembly include water tank, the water tank lower end Equipped with outlet pipe.

Further, the water tank is installed with engaging column close to the side of the chair back, and the chair back is equipped with and the card The card slot that zygostyle matches, the engaging column are equipped with locating slot, are equipped with fixed spring and and fixed spring in the locating slot The sliding block of connection, the position that the chair back corresponds to the locating slot are equipped with location hole, and the location hole is connected to locating slot, described Positioning hole is equipped with screw rod, and the end of the screw rod fits with the sliding block, and the screw rod is threadedly coupled with the chair back.

Using above-mentioned technical solution: water tank is added, can be fetched water by the outlet pipe of bottom, convenient for cleaning transfusion chair, And water tank is easy to disassemble, easy to use, when needing fixed water tank, Manual press sliding block is entered in locating slot, will engage column card It closes into after the card slot, sliding block passes through the locating slot under the elastic acting force of fixed spring, is located at the locating slot and determines The intersection in position hole, water tank is fixedly arranged on the chair back, when that need to remove water tank, tightens screw rod, screw rod bottom squeeze sliding block makes it Location hole is exited, water tank can be conveniently removed.

Further, the outlet pipe is bellows, and the water tank is equipped with flow valve, and the water tank top is equipped with note Water hole.

Further, it is fixedly installed with back cushion on the inside of the chair back, the feeling of fatigue of infusion for a long time can be alleviated.

Further, the bottom of leg is fixedly installed with universal wheel, so that movement is more flexible, is convenient for emergency situations Under, transfer quickly the patient being infused.

It is had the following beneficial effects: compared with known publicly-owned technology using technical solution provided by the invention

1. transfusion chair has excellent buffering and damping effect by the design for increasing buffer unit；Pass through guide plate, gear With the mutual cooperation of movable plate, two strands of opposite up and down active forces are formed to cushion, and the external impact force that seat is subject to is carried out Multilayer is decomposed, so that the rapid decrease of seat be become slowly declining, whereby, the bottom of seat is provided with good vertical direction The effect of bumper and absorbing shock, secondly, the effect of movable plate and gear, greatly limits the reciprocating motion of damping spring, patient is multiplying It is more comfortable when seat.

2. infusion support of the invention is highly susceptible to adjust, pass through the work of pin, compressed spring, pressing lever and reset spring With, can facilitate realize infusion pole length it is automatic lock and telescopic adjustment, structure is simple, easy to operate.

3. the present invention achievees the effect that transfusion chair is convenient for cleaning by the design of increase water tank, and water tank is easy to disassemble, makes With conveniently.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the easy adjustable type transfusion chair with buffering effect of embodiment 1；

Fig. 2 is the structural schematic diagram of the buffer unit of embodiment 1；

Fig. 3 is the distributed architecture schematic diagram of the fixed plate of the buffer unit of embodiment 1；

Fig. 4 is the partial schematic diagram of the transfusion pole of embodiment 1；

Fig. 5 is the distributed architecture schematic diagram of the fixed plate of the buffer unit of embodiment 2；

Fig. 6 is the structural schematic diagram of the buffer unit of embodiment 3；

Fig. 7 is the structural schematic diagram of the easy adjustable type transfusion chair with buffering effect of embodiment 4；

Fig. 8 is the water tank of embodiment 4 and the partial structural diagram that the chair back is connect；

In figure: 1, seat；11, pedestal；12, cushion；2, the chair back；3, back cushion；4, chair leg；5, universal wheel；6, cushion chamber；7, Buffer unit；71, guide plate；72, fixed plate；73, movable plate；74, gear；75, damping spring；76, cushion；77, it limits Plate；8, transfusion pole；81, lower beam；82, upper boom；83, regulating tank；84, compressed spring；85, pin；86, adjustment hole；87, button Part；871, pressing lever；872, reset spring；9, cleaning assembly；91, water tank；92, outlet pipe；93, engage column；94, fixed bullet Spring；95, sliding block；96, screw rod.

Specific embodiment

Below in conjunction with the attached drawing in the present invention, technical solution of the present invention is clearly and completely described, it is clear that Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention Example, those of ordinary skill in the art's all other embodiment obtained under the conditions of not making creative work belong to The scope of protection of the invention.

Embodiment 1

A kind of easy adjustable type transfusion chair with buffering effect, referring to Fig. 1~2, including seat 1, the two sides of the seat 1 It is fixedly connected with handrail, the rear end of the seat 1 is equipped with the chair back 2, and the inside of the chair back 2 is fixedly installed with back cushion 3, the chair The lower end of seat 1 is provided with chair leg 4, and the bottom of leg 4 is fixedly installed with universal wheel 5, and movement is more flexible, convenient for burst shape Under condition, the patient being infused is transferred quickly；

The seat 1 includes pedestal 11 and cushion 12, and the cavity of open top, the cushion are offered in the pedestal 11 12 are sheathed in pedestal 11, and can slide along 11 inner wall of pedestal, and the bottom of the cushion 12 and the inner wall of pedestal 11 are enclosed Cushion chamber 6, the cushion chamber 6 is interior to be equipped with buffer unit 7, and the buffer unit 7 includes guide plate 71 described in guide plate 71, face Side wall and the movable plate 73 being slidably connected along multiple fixed plates 72 of 71 axial symmetry of guide plate setting and the fixed plate 72 And in the gear 74 between the guide plate 71 and movable plate 73, the top of the guide plate 71 and the bottom of the cushion 12 The heart is affixed, and the bottom end of the guide plate 71 is protruded into the cushion chamber 6, passes through the bottom of damping spring 75 and the cushion chamber 6 Portion's connection, specifically, one end of the damping spring 75 is fixedly connected with the bottom end of the guide plate 71, the other end delays with described The bottom for rushing chamber 6 is fixedly connected, and the bottom end of the fixed plate 72 and the bottom of the cushion chamber 6 are affixed, and the fixed plate 72 Top protrude into the cushion chamber 6, the fixed plate 72 towards the side of the guide plate 71 be equipped with sliding slot, the movable plate 73 one end are fitted into the sliding slot, are slidably connected with the fixed plate 72, and the gear 74 passes through tooth rest (not shown) It is fixedly arranged on the inner wall of the cushion chamber 6, the gear 74 engages respectively with the guide plate 71 and movable plate 73, the guiding The width of plate 71 is 0.2~0.4 times of 12 width of cushion, guarantees that it has enough supports, while side to the weight of human body Just guide gear 74；Specifically, the opposite face of the guide plate 71 and the movable plate 73 is equipped with rack gear, the gear 74 with It is engaged on the outside of the rack gear, so that the moving direction of the movable plate 73 and the guide plate 71 is on the contrary, in the present embodiment, The cross section of the guide plate 71 is in rectangle, and the fixed plate 72 and gear 74 are respectively two, and two fixed plates 72 are right Claim to be distributed in a pair of parallel side-wall outer side of the guide plate 71, the fixed plate 72 and gear 74 or four, four The fixed plate 72 is symmetrically distributed in 71 2 pairs of parallel side-wall outer sides of the guide plate, and Fig. 3 is by taking 2 fixed plates 72 as an example；Make Used time, seat 1 because a variety of causes generate height change in the vertical direction, at this time buffer unit 7 act on, when cushion 12 by When external impact position declines, buffer unit 7 forms opposite two strands of active forces up and down to cushion 12, i.e., external impact force to Under, and damping spring 75 and movable plate 73 give upward support force, carry out multilayer decomposition to power, thus by the quick of seat 1 Decline becomes slowly declining, and plays buffer function, and the position of guide plate 71 continues to decline, and the damping spring 75 of bottom connection rises To further buffer function；Whereby, the bottom of seat is provided with the effect of good vertical direction bumper and absorbing shock.

The position of movable plate 73 described in the bottom end face of the cushion 12 is provided with cushion 76, described in the present embodiment Cushion 76 is rubber pad；So that the process that movable plate 73 rises to the contact of 12 bottom end of cushion is more steady, comfort is improved；And Cushion 76 cooperates movable plate 73, gear 74 and damping spring 75 to act on, and can be improved shock loading and bumper and absorbing shock ability.

The side of the seat 1 is installed with transfusion pole 8, is installed with hanger and suspension hook etc. on the transfusion pole 8, referring to fig. 4, The transfusion pole 8 includes lower beam 81 and the scalable upper boom 82 being nested into the lower beam 81, and the upper boom 82 is along its length simultaneously Column have multiple regulating tanks 83 uniformly at intervals, and the regulating tank 83 is successively arranged compressed spring 84 and pin 85 from inside to outside, described The position of one of them the corresponding regulating tank 83 of lower beam 81 is equipped with adjustment hole 86, be equipped in the adjustment hole 86 it is movable by Button part 87, the end of the push button 87 contact setting with the pin 85；The push button 87 includes pressing lever 871 and is arranged Reset spring 872 on the pressing lever 871, the end of the pressing lever 871 are installed with limiting section, the reset spring 872 both ends abut the outside of the limiting section and the lower beam 81 respectively.Pass through pin 85, compressed spring 84, pressing lever 871 With the collective effect of reset spring 872, the automatic locking and telescopic adjustment for realizing 8 length of transfusion pole can be facilitated, structure is simple, behaviour Facilitate.

Embodiment 2

Embodiment 2 is substantially the same manner as Example 1, and difference is: the cross section of the guide plate 71 is in n-shaped, and N is big In being equal to 3, one or more gears 74, the side length of the n-shaped is distributed on the outside of each side of the n-shaped side wall It is 0.2~0.4 times of 12 width of cushion, by multidirectional setting gear 74, all directions is formed with the support of same dynamics And buffering, be conducive to the comfort and cushion performance that improve seat.In the present embodiment, referring to Fig. 5, with the cross of the guide plate 71 For section is in equilateral triangle, the fixed plate 72 and gear 74 are respectively three, and three fixed plates 72 are arranged in institute On the outside of each side for stating 71 triangular side walls of guide plate.

Embodiment 3

Embodiment 3 and embodiment 1 or 2 are essentially identical, and difference is: referring to Fig. 6, the bottom end of the guide plate 71 is arranged There is limit plate 77, the limit plate 77 is equipped with the through-hole passed through for the fixed plate 72, the outside of the limit plate 77 and institute The inner wall fitting for stating cushion chamber 6, forms T-shaped structure with guiding, so that guide plate 71 is only capable of doing straight reciprocating motion, its underpart The cushion effect of damping spring 75 can uniformly be transmitted to guide plate 71, better absorbing external impact force can be in cushion 12 It is multiple into playing guiding role in the process.

Embodiment 4

Embodiment 4 and embodiment 1 or embodiment 2 or embodiment 3 are essentially identical, and difference is: described referring to Fig. 7~8 The fixed cleaning assembly 9 in the outside of the chair back 2, the cleaning assembly 9 include water tank 91, and 91 lower end of water tank is equipped with outlet pipe 92, The outlet pipe 92 is bellows, and the water tank 91 is equipped with flow valve, and 91 top of water tank is equipped with water injection hole, the water tank 91 are installed with engaging column 93 close to the side of the chair back 2, and the chair back 2 is equipped with the card slot matched with the engaging column 93, institute It states engaging column 93 and is equipped with locating slot, equipped with fixed spring 94 and the sliding block 95 being connect with fixed spring 94 in the locating slot, The position of the corresponding locating slot of the chair back 2 is equipped with location hole, and the location hole is connected to locating slot, and the positioning hole is set There is screw rod 96, the end of the screw rod 96 fits with the sliding block 95, and the screw rod 96 is threadedly coupled with the chair back 2.Increase If water tank 91, can be fetched water by the outlet pipe 92 of bottom, convenient for cleaning transfusion chair, and matching by engaging column 93 and card slot It closes, water tank 91 is easy to disassemble, easy to use.

Claims (10)

1. a kind of easy adjustable type transfusion chair with buffering effect, including seat (1), the chair back (2) and chair leg (4), feature exists In the seat (1) includes pedestal (11) and cushion (12), and the cushion (12) is sheathed in pedestal (11), and the cushion (12) it can be slided along pedestal (11) inner wall, the bottom of the cushion (12) and the inner wall of pedestal (11) are enclosed cushion chamber (6), Buffer unit (7) are equipped in the cushion chamber (6), the buffer unit (7) includes guide plate (71), guide plate described in face (71) it the respectively arranged fixed plate of side wall (72), the movable plate (73) that is slidably connected with the fixed plate (72) and is led set on described To the gear (74) between plate (71) and movable plate (73), the top of the guide plate (71) and the bottom centre of the cushion (12) It is affixed, and the bottom end of the guide plate (71) is connect by damping spring (75) with the bottom of the cushion chamber (6), the fixation The bottom end of plate (72) and the bottom of the cushion chamber (6) are affixed, and the cushion chamber (6) are protruded on the top of the fixed plate (72) Interior, the gear (74) is engaged respectively with the guide plate (71) and movable plate (73).

2. as described in claim 1 with the easy adjustable type transfusion chair of buffering effect, which is characterized in that the guide plate (71) Cross section be in n-shaped, N is more than or equal to 3, one or more teeth is distributed on the outside of each side of the n-shaped side wall It takes turns (74).

3. as described in claim 1 with the easy adjustable type transfusion chair of buffering effect, which is characterized in that the cushion (12) The position of movable plate described in the face of bottom end (73) is provided with cushion (76).

4. as described in claim 1 with the easy adjustable type transfusion chair of buffering effect, which is characterized in that the guide plate (71) Bottom end be provided with limit plate (77), the position of fixed plate (72) described in limit plate (77) face is equipped with through-hole, the limit The outside of position plate (77) is bonded with the inner wall of the cushion chamber (6).

5. as described in claim 1 with the easy adjustable type transfusion chair of buffering effect, which is characterized in that further include being fixedly arranged on institute State the transfusion pole (8) of the side of seat (1), the transfusion pole (8) includes lower beam (81) and scalable is nested into the lower beam (81) In upper boom (82), the upper boom (82) has multiple regulating tanks (83), a regulating tank side by side along its length uniformly at intervals (83) it is successively arranged compressed spring (84) and pin (85), one of them corresponding described regulating tank of the lower beam (81) from inside to outside (83) position is equipped with adjustment hole (86), is equipped with movable push button (87), the push button in the adjustment hole (86) (87) end contacts setting with the pin (85).

6. as claimed in claim 5 with the easy adjustable type transfusion chair of buffering effect, which is characterized in that the push button (87) Including pressing lever (871) and the reset spring (872) being sheathed on the pressing lever (871), the end of the pressing lever (871) It is installed with limiting section, the both ends of the reset spring (872) abut the outside of the limiting section and the lower beam (81) respectively.

7. as described in claim 1 with the easy adjustable type transfusion chair of buffering effect, which is characterized in that the chair back (2) The fixed cleaning assembly in outside (9), the cleaning assembly (9) include water tank (91), and water tank (91) lower end is equipped with outlet pipe (92)。

8. as claimed in claim 7 with the easy adjustable type transfusion chair of buffering effect, which is characterized in that the water tank (91) is leaned on The side of the nearly chair back (2) is installed with engaging column (93), and the chair back (2) is equipped with the card matched with engaging column (93) Slot, the engaging column (93) are equipped with locating slot, and fixed spring (94) are equipped in the locating slot and are connected with fixed spring (94) The sliding block (95) connect, the position of the corresponding locating slot of the chair back (2) are equipped with location hole, and the location hole and locating slot connect It is logical, and the positioning hole is equipped with screw rod (96), end and the sliding block (95) of the screw rod (96) fit, the screw rod (96) it is threadedly coupled with the chair back (2).

9. as claimed in claim 7 with the easy adjustable type transfusion chair of buffering effect, which is characterized in that the outlet pipe (92) For bellows, the water tank (91) is equipped with flow valve, and water tank (91) top is equipped with water injection hole.

10. as described in claim 1 with the easy adjustable type transfusion chair of buffering effect, which is characterized in that leg (4) Bottom is fixedly installed with universal wheel (5).