CN113262350A

CN113262350A - Urological department infusion is with no liquid self-stop formula infusion chair

Info

Publication number: CN113262350A
Application number: CN202110619231.0A
Authority: CN
Inventors: 凯正梅
Original assignee: Individual
Current assignee: Li Jun; Zeng Lei
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-08-17
Anticipated expiration: 2041-06-03
Also published as: CN113262350B

Abstract

The invention relates to a no-liquid self-stop infusion chair for urology department infusion, which comprises a chair, a sleeve, an L-shaped movable rod, a first hook, a first spring, a sliding mechanism and a liquid stop mechanism, wherein the sliding mechanism is arranged in the middle of one side of the chair, the sleeve is fixedly connected to the sliding mechanism, the L-shaped movable rod is slidably placed in the sleeve, and the first hook is fixedly connected to one side of the L-shaped movable rod. According to the infusion tube, people sit on the chair, and when the infusion bottle is hung on the first hook, the infusion bottle drives the L-shaped movable rod to move downwards through the first hook, so that the liquid stopping mechanism operates to a proper position, the infusion tube penetrates through the two holes of the round frame, the limiting cover limits the infusion tube, the infusion tube is lightened along with continuous outflow of liquid medicine, the L-shaped movable rod moves upwards to drive the liquid stopping mechanism to operate, the liquid stopping mechanism operates and resets to compress the infusion tube, and therefore air is prevented from being injected into a patient body, and the infusion tube can be compressed timely.

Description

Urological department infusion is with no liquid self-stop formula infusion chair

Technical Field

The invention relates to an infusion chair, in particular to a no-liquid self-stop infusion chair for urology department infusion.

Background

Among the uropoiesis internal medicine, some patients need infuse, just can treat the health, and the in-process of infusion, people then need sit on the seat, and at present, when patient sat the infusion on the seat, the liquid medicine in the dropping bottle is whole to be used the back, and when patient and nurse did not in time discover, can squeeze into patient's the air in the health, and need use the infusion support to place the dropping bottle, and is more troublesome.

Therefore, it is necessary to design and develop a non-liquid self-stop infusion chair for urology department infusion, which can compress the infusion tube after the liquid medicine in the drip bottle is used up, prevent air from being injected into the patient, place the drip bottle and is more convenient.

Disclosure of Invention

In order to overcome the defects that after a patient and a nurse do not find that all liquid medicines are used up in time, air is pumped into the body of the patient, and a drip bottle needs to be placed on a transfusion stand, which is troublesome, the technical problem of the invention is as follows: the non-liquid self-stop infusion chair for the urology department infusion can compress an infusion tube after liquid medicine in an infusion bottle is used up, prevent air from being injected into a patient body, place the infusion bottle and is convenient.

The technical implementation scheme of the invention is as follows: the utility model provides a no liquid self-stop formula infusion chair is used in uropoiesis internal medicine infusion, is including chair, sleeve, L type movable rod, first couple, first spring, slide mechanism and end liquid mechanism, chair one side middle part is equipped with slide mechanism, and the sleeve rigid coupling is on slide mechanism, and placing in the sleeve of L type movable rod slidingtype, one side in L type movable rod of first couple rigid coupling, first spring coupling are between one side in L type movable rod one end and the sleeve, end liquid mechanism and install between sleeve and L type movable rod one end.

The sliding mechanism comprises a u-shaped frame, clamping rods and a guide block with holes, the guide block with holes is fixedly connected to one side of the chair, the u-shaped frame is slidably sleeved on the guide block with holes, one side of the outer side of the u-shaped frame is fixedly connected with the sleeve, the through holes are spaced at two sides of the u-shaped frame, and the clamping rods are slidably penetrated between the through holes at two sides and the guide block with holes.

Liquid stopping mechanism is including circle frame, spacing lid, guide rack, pivot, drive gear, L type pole and cam, the cross-under of L type pole slidingtype is in sleeve one side, wherein one end of L type pole and one of them end fixed connection of L type movable rod, and guide rack rigid coupling is in L type pole one side, and circle frame rigid coupling is in the outer one side of sleeve, the cross-under of pivot rotary type is in circle frame one side middle part, and drive gear is fixed suit in pivot wherein one end, drive gear and guide rack meshing, the fixed suit in pivot wherein one end of cam, spacing lid joint in circle frame one side circumference.

Preferably, still including complementary unit, complementary unit is including swinging plate, arc rack, bull stick, full gear, outer ring gear and tooth piece, tooth piece interval rigid coupling in the outer one side of u type frame, the connection in chair one side of bull stick rotary type, the fixed suit of full gear in bull stick one side circumference, the fixed suit of outer ring gear in bull stick one end wherein, outer ring gear and tooth piece meshing, the connection in chair one end wherein of swinging plate rotary type, arc rack rigid coupling in swinging plate one side, arc rack tail end runs through chair one side and full gear engagement.

Preferably, still including hold-down mechanism, hold-down mechanism is including L template, T type compact heap, connecting rod, contact wheel, second spring and third spring, cross-under in circle frame one side middle part of T type compact heap slidingtype, the connection of third spring symmetry formula is between one side in T type compact heap and the outer one side of circle frame, the placing in T type compact heap one side middle part of contact wheel slidingtype, second spring coupling is between contact wheel one side and T type compact heap inboard, the connecting rod rigid coupling is in the outer one side of guide rack, L template rigid coupling in connecting rod one side, L template and contact wheel contact cooperation.

Preferably, the fixed plate fixing device further comprises a fixed plate and second hooks, the fixed plate is fixedly sleeved on the periphery of one side outside the sleeve, and the second hooks are fixedly connected to the periphery of one side of the fixed plate at intervals.

Preferably, still including protective housing and fixed block, the fixed block rigid coupling is in chair one side, and the quantity of fixed block is two at least, and the protective housing rigid coupling covers outer ring gear between two fixed block tail ends, and the protective housing covers.

Preferably, the limiting cover is provided with two bulges which can limit the infusion tube.

Compared with the prior art, the invention has the following advantages:

1. sit on the chair through people, and when hanging the infusion bottle on first couple, the infusion bottle drives L type movable rod downstream through first couple, just also make liquid stopping mechanism function to suitable position, pass the two holes of circle frame with the transfer line, spacing lid is spacing to the transfer line, along with the continuous outflow of liquid medicine, the infusion bottle lightens, L type movable rod rebound drives liquid stopping mechanism function, liquid stopping mechanism function resets and compresses tightly the transfer line, so, can avoid the air to squeeze into in the patient's body, can be timely compress tightly the transfer line.

2. Through the effect of complementary unit, can make the drip bottle rebound to suitable position, so, need not medical personnel pulling u type frame and reciprocate the height of drip bottle and adjust labour saving and time saving.

3. Through hold-down mechanism's effect, can compress tightly the transfer line, so, can further compress tightly the transfer line, avoid the air to squeeze into in patient's the body.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic view of a first partial body structure according to the present invention.

FIG. 3 is a schematic view of a second partial body structure according to the present invention.

Fig. 4 is a perspective view of a third embodiment of the present invention.

Fig. 5 is a perspective view of a fourth embodiment of the present invention.

FIG. 6 is a schematic view of a fifth partial body structure according to the present invention.

FIG. 7 is a schematic view of a sixth partial body structure according to the present invention.

Fig. 8 is an enlarged schematic view of part a of the present invention.

The parts are labeled as follows: 1. the chair comprises a chair body, 2, a sleeve, 3, an L-shaped movable rod, 4, a first hook, 41, a first spring, 5, a sliding mechanism, 51, a u-shaped frame, 52, a through hole, 53, a clamping rod, 54, a guide block with holes, 6, a liquid stopping mechanism, 61, a round frame, 62, a limiting cover, 63, a guide rack, 64, a rotating shaft, 65, a driving gear, 66, an L-shaped rod, 67, a cam, 7, an auxiliary mechanism, 71, a swinging plate, 72, an arc-shaped rack, 73, a rotating rod, 74, a full gear, 75, an outer gear ring, 76, a gear block, 8, a pressing mechanism, 81, an L-shaped plate, 82 and a T-shaped pressing block, 83, a connecting rod, 84, a contact wheel, 85, a second spring, 86, a third spring, 9, a fixed disc, 10, a second hook, a protective shell, 12 and a fixed block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): a no-liquid self-stop infusion chair for urology department infusion.

Referring to fig. 1, fig. 2, fig. 3, fig. 6 and fig. 7, including chair 1, sleeve 2, L type movable rod 3, first couple 4, first spring 41, slide mechanism 5 and end liquid mechanism 6, chair 1 left surface middle part is equipped with slide mechanism 5, the rigid coupling has sleeve 2 on the slide mechanism 5, the sliding type has L type movable rod 3 in sleeve 2, the top front side rigid coupling has first couple 4 in the L type movable rod 3, be connected with first spring 41 between 3 bottoms of L type movable rod and the inboard upper portion of sleeve 2, be equipped with between 3 bottoms of L type movable rod and the sleeve 2 and end liquid mechanism 6.

The sliding mechanism 5 comprises a u-shaped frame 51, a clamping rod 53 and a guide block 54 with holes, the guide block 54 with holes is fixedly connected to the middle of the left side face of the chair 1, the u-shaped frame 51 is sleeved at the left end of the guide block 54 with holes, through holes 52 are uniformly arranged on the front side face and the rear side face of the u-shaped frame 51 at intervals, the clamping rod 53 is connected between the through holes 52 on the front side face and the rear side face in a sliding mode, the clamping rod 53 penetrates through the hole of the guide block 54 with holes, and the upper portion of the outer left side face of the u-shaped frame 51 is fixedly connected with the lower portion of the sleeve 2.

Liquid stopping mechanism 6 is including circle frame 61, spacing lid 62, guide rack 63, pivot 64, drive gear 65, L type pole 66 and cam 67, the cross-under of 2 left side upper portions slidingtype on sleeve has L type pole 66, L type pole 66 top and the 3 bottom fixed connection of L type movable rod, L type pole 66 trailing flank lower part left side rigid coupling has guide rack 63, sleeve 2 outer trailing flank upper portion rigid coupling has circle frame 61, circle frame 61 circumference is opened has two holes, circle frame 61 right side circumference joint has spacing lid 62, the cross-under of circle frame 61 left side middle part rotary type has pivot 64, pivot 64 left end rigid coupling has drive gear 65, drive gear 65 and guide rack 63 mesh, pivot 64 rigid coupling has cam 67, cam 67 is located circle frame 61.

Firstly, a patient sits on a chair 1, and places hands on handrails of the chair 1, a medical worker can hang a dropping bottle on a first hook 4, the dropping bottle drives the first hook 4 to move downwards, the first hook 4 moves downwards to drive an L-shaped movable rod 3 to move downwards, a first spring 41 is compressed, the L-shaped movable rod 3 drives a liquid stopping mechanism 6 to operate downwards to a proper position, a transfusion tube penetrates through the liquid stopping mechanism 6, the medical worker can insert a transfusion needle into the back of the hand of the patient to start transfusion, then a sliding mechanism 5 is pulled to move upwards and downwards, the sliding mechanism 5 moves upwards and downwards to drive a sleeve 2 to move upwards and downwards, the sleeve 2 moves upwards and downwards to drive the L-shaped movable rod 3 to move upwards and downwards to drive the first hook 4 to move upwards and downwards, the first hook 4 moves upwards and downwards to drive the dropping bottle to move upwards and downwards, and when the dropping bottle moves upwards and downwards to a proper height, stop pulling slide mechanism 5, along with the continuous outflow of the liquid medicine in the drip bottle, because of the effect of first spring 41, the slow rebound of L type movable rod 3 drives the slow reseing of liquid stopping mechanism 6, the slow continuous extrusion to the transfer line that resets of liquid stopping mechanism 6, after the liquid medicine in the drip bottle is whole to be used up, L type movable rod 3 also just also upwards moves and resets, liquid stopping mechanism 6 just also resets and compresses tightly the transfer line, so, can avoid in the air in the transfer line squeezes into people's health, medical personnel can take out the transfer line from liquid stopping mechanism 6, take off the drip bottle from first couple 4 again, patient can follow chair 1 and get up.

When the infusion needle is inserted into the back of the hand of a patient for infusion, a medical worker pulls the clamping rod 53 to move forwards to be separated from the hole of the guide block 54 with the hole, then pulls the u-shaped frame 51 to move up and down, the u-shaped frame 51 moves up and down to drive the sleeve 2 to move up and down, and then drives the infusion bottle to move up and down, when the infusion bottle moves up and down to a proper height, the pulling of the u-shaped frame 51 is stopped, the clamping rod 53 is pushed to move backwards to penetrate through the hole of the guide block 54 with the hole, the clamping rod 53 continues to move backwards to penetrate through the hole on the rear side of the u-shaped frame 51, the pushing of the clamping rod 53 is stopped, and the clamping rod 53 is matched with the guide block 54 with the hole to fix the u-shaped frame 51.

When the medical staff hangs the infusion bottle on the first hook 4, the L-shaped movable rod 3 moves downwards to drive the L-shaped rod 66 to move downwards, the L-shaped rod 66 moves downwards to drive the guide rack 63 to move downwards, the guide rack 63 moves downwards to drive the driving gear 65 to rotate reversely, the driving gear 65 rotates reversely to drive the rotating shaft 64 to rotate reversely, the rotating shaft 64 rotates reversely to drive the cam 67 to rotate reversely, when the L-shaped movable rod 3 moves downwards to the maximum stroke, the L-shaped movable rod 3 stops moving downwards, the cam 67 stops rotating reversely, the medical staff can take the limiting cover 62 off from the round frame 61, pass the infusion tube through two holes of the round frame 61, clamp the limiting cover 62 back to the round frame 61, along with continuous infusion into the body of the patient, the infusion bottle becomes light slowly, due to the action of the first spring 41, the L-shaped movable rod 3 moves upwards slowly to drive the L-shaped rod 66 to move upwards, the L-shaped rod 66 moves upwards to drive the guide rack 63 to move upwards, the guide rack 63 moves upwards to drive the driving gear 65 to rotate forwards and reset, so that the cam 67 rotates forwards and resets to compress the infusion tube, when the cam 67 completely compresses the infusion tube, the infusion tube is completely filled with the liquid medicine in the infusion bottle, medical staff take the infusion bottle down from the first hook 4, pull the limiting cover 62 to separate from the round frame 61, and move the infusion tube out of the round frame 61.

Referring to fig. 1-8, the chair further comprises an auxiliary mechanism 7, the auxiliary mechanism 7 comprises a swinging plate 71, an arc-shaped rack 72, a rotating rod 73, a full gear 74, an outer gear ring 75 and a toothed block 76, the toothed block 76 is fixedly connected to the left side of the outer rear side of the u-shaped frame 51 at even intervals, the swinging plate 71 is rotatably connected to the front end of the middle of the chair 1, the arc-shaped rack 72 is fixedly connected to the middle of the rear side of the bottom of the swinging plate 71, the tail end of the arc-shaped rack 72 penetrates through the middle of the rear of the chair 1, the rotating rod 73 is rotatably connected to the rear side of the bottom of the chair 1, the full gear 74 is fixedly sleeved on the right side of the rotating rod 73 in the circumferential direction, the full gear 74 is meshed with the arc-shaped rack 72, the outer gear ring 75 is fixedly connected to the left end of the rotating rod 73, and the outer gear ring 75 is meshed with the toothed block 76.

Still including hold-down mechanism 8, hold-down mechanism 8 is including L template 81, T type compact heap 82, connecting rod 83, contact wheel 84, second spring 85 and third spring 86, the cross-under of slidingtype has T type compact heap 82 in the middle of the circular frame 61 rear side, be connected with third spring 86 between upper and lower both sides of rear surface and the outer rear side of circular frame 61 in T type compact heap 82, contact wheel 84 has been placed to the embedded slidingtype in rear surface middle part outside T type compact heap 82, be connected with second spring 85 between contact wheel 84 front end and the T type compact heap 82 inboard, guide rack 63 bottom rigid coupling has connecting rod 83, connecting rod 83 right flank lower part rigid coupling has L template 81, rear surface and contact wheel 84 contact cooperation in the L template 81.

Firstly, an operator pulls the clamping rod 53 to be separated from the hole of the guide block 54 with the hole, when the patient sits on the chair 1, the patient drives the swinging plate 71 to swing downwards, the swinging plate 71 swings downwards to drive the arc-shaped rack 72 to move downwards, the arc-shaped rack 72 moves downwards to drive the full gear 74 to rotate forwards, the full gear 74 rotates forwards to drive the rotating rod 73 to rotate forwards, the rotating rod 73 rotates forwards to drive the outer gear ring 75 to rotate forwards, the outer gear ring 75 rotates forwards to drive the gear block 76 to move upwards, the gear block 76 moves upwards to drive the u-shaped frame 51 to move upwards, so that the dropping bottle moves upwards, when the swinging plate 71 swings downwards to the maximum stroke, the swinging plate 71 stops driving the arc-shaped rack 72 to move downwards, the outer gear ring 75 stops driving the u-shaped frame 51 to move upwards through the gear block 76, and the. When a patient gets down from the chair 1, the patient is separated from the swing plate 71, due to the action of gravity, the u-shaped frame 51 moves downwards to drive the tooth block 76 to move downwards for resetting, the tooth block 76 moves downwards for resetting to drive the outer gear ring 75 to rotate reversely, and the full gear 74 drives the swing plate 71 to swing upwards for resetting through the arc-shaped rack 72. Therefore, the medical staff does not need to pull the u-shaped frame 51 to move up and down to adjust the height of the drip bottle, and time and labor are saved.

Initially, the second spring 85 and the third spring 86 are in a compressed state, when the medical staff hangs the infusion bottle on the first hook 4, the guide rack 63 moves downwards and also drives the connecting rod 83 to move downwards, the connecting rod 83 moves downwards and drives the L-shaped plate 81 to move downwards, the L-shaped plate 81 moves downwards and is separated from the contact wheel 84, the contact wheel 84 moves backwards for a certain distance under the action of the second spring 85, the T-shaped pressing block 82 moves backwards and drives the contact wheel 84 to move backwards for a certain distance under the action of the third spring 86, when the medical liquid in the infusion bottle is continuously discharged for use, the guide rack 63 moves upwards and drives the L-shaped plate 81 to move upwards through the connecting rod 83, the L-shaped plate 81 moves upwards and is in contact with the contact wheel 84, the L-shaped plate 81 drives the contact wheel 84 to move forwards, the second spring 85 is compressed, the contact wheel 84 moves forwards and drives the T-shaped pressing block 82 to move forwards through the second spring 85, the third spring 86 is compressed, the T-shaped pressing block 82 moves forwards to be in contact with the infusion tube, and the infusion tube is further pressed by the T-shaped pressing block 82 after all the liquid medicine in the infusion bottle is used up. Therefore, the infusion tube can be further compressed, and air is prevented from being injected into the body of a patient.

Referring to fig. 1, 3 and 4, the sleeve 2 further comprises a fixed disk 9 and second hooks 10, the fixed disk 9 is circumferentially and fixedly sleeved on the outer upper portion of the sleeve 2, and the three second hooks 10 are circumferentially and uniformly arranged at intervals at the bottom of the fixed disk 9.

Still including protective housing 11 and fixed block 12, chair 1 left surface middle part rear side rigid coupling has two fixed blocks 12, and the rigid coupling has protective housing 11 between two fixed block 12 left ends, and protective housing 11 covers outer ring gear 75.

When a patient is in transfusion, the unused infusion bottle can be hung on the second hook 10, and when the infusion bottle needs to be used, the infusion bottle is taken off from the second hook 10 and hung on the first hook 4 for use. Therefore, the medical staff can use the residual infusion bottle more conveniently.

When the device is in use, the protective casing 11 can cover the outer ring gear 75. Thus, people can be prevented from accidentally touching the outer ring gear 75 to be injured.

The above-mentioned embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and therefore, all equivalent changes made by the contents of the claims of the present invention should be included in the claims of the present invention.

Claims

1. The utility model provides a no liquid self-stop formula infusion chair for urology department infusion, characterized by, including chair (1), sleeve (2), L type movable rod (3), first couple (4), first spring (41), slide mechanism (5) and end liquid mechanism (6), chair (1) one side middle part is equipped with slide mechanism (5), sleeve (2) rigid coupling on slide mechanism (5), the placing in sleeve (2) of L type movable rod (3) slidingtype, one side in L type movable rod (3) of first couple (4) rigid coupling, first spring (41) are connected between one side in L type movable rod (3) one end and sleeve (2), end liquid mechanism (6) and install between sleeve (2) and L type movable rod (3) one end.

2. The no-liquid self-stop infusion chair for the urological department infusion is characterized in that the sliding mechanism (5) comprises a u-shaped frame (51), a clamping rod (53) and a guide block (54) with holes, the guide block (54) with holes is fixedly connected to one side of the chair (1), the u-shaped frame (51) is slidably sleeved on the guide block (54) with holes, one outer side of the u-shaped frame (51) is fixedly connected with the sleeve (2), the through holes (52) are spaced at two sides of the u-shaped frame (51), and the clamping rod (53) is slidably penetrated between the through holes (52) at two sides and the guide block (54) with holes.

3. The no-liquid self-stop infusion chair for the infusion in the urology department according to claim 2, characterized in that the liquid stop mechanism (6) comprises a round frame (61), a limit cover (62), a guide rack (63), a rotating shaft (64), a driving gear (65), an L-shaped rod (66) and a cam (67), the L-shaped rod (66) is slidably connected to one side of the sleeve (2) in a penetrating way, one end of the L-shaped rod (66) is fixedly connected with one end of the L-shaped movable rod (3), the guide rack (63) is fixedly connected to one side of the L-shaped rod (66), the round frame (61) is fixedly connected to one side of the sleeve (2), the rotating shaft (64) is rotatably connected to the middle part of one side of the round frame (61), the driving gear (65) is fixedly sleeved at one end of the rotating shaft (64), the driving gear (65) is meshed with the guide rack (63), the cam (67) is fixedly sleeved at one end of the rotating shaft (64), the limiting cover (62) is clamped on the circumferential direction of one side of the circular frame (61).

4. The no-liquid self-stop transfusion chair for the urology department transfusion according to claim 3, characterized in that it further comprises an auxiliary mechanism (7), the auxiliary mechanism (7) comprises a swing plate (71), an arc rack (72), a rotating rod (73), a full gear (74), an outer gear ring (75) and a gear block (76), tooth piece (76) interval rigid coupling in the outer one side of u type frame (51), the connection in chair (1) one side of bull stick (73) rotary type, the fixed suit in bull stick (73) one side circumference of full gear (74), the fixed suit in bull stick (73) one end wherein of outer ring gear (75), outer ring gear (75) and tooth piece (76) meshing, the connection in chair (1) one end wherein of swinging plate (71) rotary type, arc rack (72) rigid coupling in swinging plate (71) one side, arc rack (72) tail end runs through chair (1) one side and full gear (74) meshing.

5. The no-liquid self-stop infusion chair for the urological department infusion according to claim 4, characterized in that the no-liquid self-stop infusion chair further comprises a pressing mechanism (8), the pressing mechanism (8) comprises an L-shaped plate (81), a T-shaped pressing block (82), a connecting rod (83), a contact wheel (84), a second spring (85) and a third spring (86), the T-shaped pressing block (82) is slidably penetrated and connected in the middle of one side of the circular frame (61), the third spring (86) is symmetrically connected between the inner side of the T-shaped pressing block (82) and the outer side of the circular frame (61), the contact wheel (84) is slidably arranged in the middle of one side of the T-shaped pressing block (82), the second spring (85) is connected between one side of the contact wheel (84) and the inner side of the T-shaped pressing block (82), the connecting rod (83) is fixedly connected to the outer side of the guide rack (63), the L-shaped plate (81) is fixedly connected to one side of the connecting rod (83), the L-shaped plate (81) is in contact fit with the contact wheel (84).

6. The no-liquid self-stop infusion chair for the urological department infusion is characterized by further comprising a fixed disk (9) and second hooks (10), wherein the fixed disk (9) is fixedly sleeved on the circumferential direction of the outer side of the sleeve (2), and the second hooks (10) are fixedly connected to the circumferential direction of one side of the fixed disk (9) at intervals.

7. The no-liquid self-stop infusion chair for the urological department infusion is characterized by further comprising a protective shell (11) and fixing blocks (12), wherein the fixing blocks (12) are fixedly connected to one side of the chair (1), the number of the fixing blocks (12) is at least two, the protective shell (11) is fixedly connected between the tail ends of the two fixing blocks (12), and the outer gear ring (75) is covered by the protective shell (11).

8. The no-liquid self-stop transfusion chair for the urological department of transfusion as claimed in claim 7, wherein the limit cover (62) is provided with two protrusions to limit the transfusion tube.