CN112691957B

CN112691957B - Cleaning and maintaining mechanism for medical instrument

Info

Publication number: CN112691957B
Application number: CN202011468066.5A
Authority: CN
Inventors: 刘虎; 柯家祥; 张夕鹏; 王代分
Original assignee: Qingdao Municipal Hospital
Current assignee: Qingdao Municipal Hospital
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2022-03-04
Anticipated expiration: 2040-12-14
Also published as: CN112691957A

Abstract

The invention relates to the technical field of medical instruments, and discloses a cleaning and maintaining mechanism for medical instruments, which comprises a box body, wherein a cleaning mechanism is arranged in the box body, a shell is welded on the top wall in the box body, a magnet is rotatably connected on the inner wall of the shell, a transmission mechanism is arranged on the right side of the box body, a transmission roller and a driven roller are respectively and rotatably connected on the inner wall of the box body, an ultraviolet lamp and a heating pipe are respectively and fixedly connected on the inner wall of the box body, a discharging mechanism is arranged on the front part of the box body, and an inclined plate and an inclined block are respectively welded on the inner wall of the box body. Realize the integration of cleaning, drying and sterilizing.

Description

Cleaning and maintaining mechanism for medical instrument

Technical Field

The invention relates to the technical field of medical instruments, in particular to a cleaning and maintaining mechanism for a medical instrument.

Background

The medical apparatus refers to instruments, equipment, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related articles directly or indirectly applied to the human body, and comprises required computer software, wherein the effects are mainly obtained in a physical mode and other modes, not in a pharmacological, immunological or metabolic mode, or are only assisted by the modes, so that the diagnosis, prevention, monitoring, treatment or alleviation of diseases are achieved; diagnosis, monitoring, treatment, mitigation, or functional compensation of injury; examination, substitution, regulation or support of a physiological structure or a physiological process.

Medical devices currently on the market require manual cleaning for example: the medical instruments such as scalpels and surgical forceps are easy to be scratched and infected when being cleaned manually, so that potential safety hazards are caused, the efficiency of cleaning the medical instruments manually is low, and the labor intensity of the medical personnel is increased.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a cleaning and maintaining mechanism for medical instruments, which solves the problems that manual cleaning is infected by scratches, the cleaning efficiency is low and the labor intensity is high.

In order to achieve the purpose, the invention provides the following technical scheme: a cleaning and maintaining mechanism for medical instruments comprises a box body, wherein a cleaning mechanism is arranged inside the box body, a shell is welded on the top wall inside the box body, a magnet is connected on the inner wall of the shell in a rotating mode, a transmission mechanism is arranged on the right side of the box body, a transmission roller and a driven roller are respectively connected on the inner wall of the box body in a rotating mode, the driven roller is located on the front portion of the transmission roller, the surface of the transmission roller is in transmission connection with the surface of the driven roller through a conveyor belt, an ultraviolet lamp and a heating pipe are respectively and fixedly connected on the inner wall of the box body, the ultraviolet lamp and the heating pipe are located between the driven roller and the transmission roller, the ultraviolet lamp is located above the heating pipe, a discharging mechanism is arranged on the front portion of the box body, a drain pipe is communicated with the front portion of the box body and located above the discharging mechanism, an inclined plate and an inclined block are respectively welded on the inner wall of the box body, the sloping block is positioned at the rear part of the sloping plate, and the sloping plate is positioned above the ultraviolet lamp.

Preferably, wiper mechanism is including the sprocket, the sprocket is provided with two sets ofly, and every group sprocket is provided with two, through connecting rod welded fastening between two sprockets, it is two sets of connect through two chain drive between the sprocket, two be provided with fixing device between the chain, the inner wall of box has four shower nozzles through the connecting rod welding, the left side intercommunication of shower nozzle has the inlet tube, the inner wall of box rotates and is connected with two pivots, the surperficial joint of pivot has two carousels, the skin weld of carousel has the brush head.

Preferably, the axle center of the chain wheel is rotatably connected with the inner wall of the box body through a connecting rod, and the surface of the water inlet pipe is movably connected with the inner wall of the box body.

Preferably, the fixing device comprises a guide post, a support spring is sleeved on the surface of the guide post, and a clamping plate is connected to the surface of the guide post in a sliding manner.

Preferably, the two ends of the guide post are welded and fixed with the two chains, and the two ends of the supporting spring are respectively contacted with the right side of the clamping plate and the inner wall of the box body.

Preferably, drive mechanism is including the motor, the output of motor has a belt pulley through the connecting rod joint, the surface of a belt pulley is connected with the surface transmission of No. two belt pulleys through the belt, the axle center department welding of No. two belt pulleys has a gear, the surface toothing of a gear has No. two gears, the axle center department welding of No. two gears has No. three belt pulleys, the surface of No. three belt pulleys is connected through the surface transmission of belt and double-deck belt pulley, the surface of double-deck belt pulley is connected through the surface transmission of belt and No. four belt pulleys.

Preferably, bolted connection is passed through on the left side of motor on the right side of box, the output of motor is fixed with driving drum's axle center department joint, the axle center department of No. two belt pulleys is fixed through the axle center department joint of connecting rod with magnet, the axle center department of No. three belt pulleys is fixed through the axle center department joint of connecting rod with the sprocket, the axle center department of double-deck belt pulley and No. four belt pulleys respectively with the left end welded fastening of two pivots.

Preferably, the discharging mechanism comprises a rotating plate, a connecting rod is welded on the left side of the rotating plate, a rotating rod is connected to the surface of the connecting rod in a rotating mode, a transmission rod is connected to the inner wall of the rotating rod in a rotating mode, a sliding plate is welded at the right end of the transmission rod, a supporting column is connected to the inner wall of the box body in a sliding mode, a reset spring is sleeved on the surface of the supporting column, and a top block is welded at the top end of the supporting column.

Preferably, the two sides of the rotating plate are rotatably connected with the inner wall of the box body, the surface of the transmission rod is slidably connected with the inner wall of the box body, the surface of the sliding plate is slidably connected with the inner wall of the box body, the lower surface of the rotating plate is in contact with the upper surface of the ejector block, and the two ends of the reset spring are in contact with the bottom of the ejector block and the bottom wall inside the box body respectively.

Compared with the prior art, the invention provides a cleaning and maintaining mechanism for medical instruments, which has the following beneficial effects:

1. this mechanism is maintained in washing for medical instrument washs scalpel, operating forceps that can be automatic through wiper mechanism and drive mechanism to need not the people and wash manually, reduce the risk of being infected by the apparatus fish tail, the security promotes greatly, and automatic washing still makes efficiency obtain promoting, and has reduced medical staff's intensity of labour.

2. This mechanism is maintained in washing for medical instrument can fix scalpel and surgical forceps through the fixing device among the wiper mechanism to prevent that it from taking place to rock when being washed with the carousel by water, and then influence abluent effect.

3. This medical instrument is with wasing maintenance mechanism can dry and disinfect the medical instrument after wasing through ultraviolet lamp and heating pipe to can reduce subsequent process operation, and then reduce with low costs and drop into, realize wasing the integration of drying and disinfecting, the practicality strengthens greatly.

4. This mechanism is maintained in washing for medical instrument can make the apparatus after the disinfection is dried pile up the ejection of compact again after a certain amount through discharge mechanism to can prevent that the discharge gate from being in the open mode always, reduce the inside heat lapse of box as far as possible, the efficiency of stoving is increased to the change looks, the ejection of compact also can prevent like this that the direct blanking of medical instrument can be smashed, and then increases the maintenance cost.

5. This mechanism is maintained in washing for medical instrument can drive medical instrument's the rotation of feeding, magnet, the rotation of carousel and the rotation of sprocket simultaneously through a motor to can reduce the quantity of placing of motor, and then reduce with low costs and put into, can also reduce occuping of space, realize the synchronous operation between each mechanism, work efficiency can promote.

Drawings

FIG. 1 is a sectional view of the overall structure of a cleaning and maintenance mechanism for medical equipment according to the present invention;

FIG. 2 is a schematic view of a cleaning mechanism of a cleaning and maintenance mechanism for medical equipment according to the present invention;

FIG. 3 is a schematic view of a cleaning and maintenance mechanism fixing device for medical equipment according to the present invention;

FIG. 4 is a schematic view of a cleaning and maintenance mechanism turntable for medical devices according to the present invention;

FIG. 5 is a schematic view of a transmission mechanism of a cleaning and maintenance mechanism for a medical apparatus according to the present invention;

FIG. 6 is a partial structural view of a discharging mechanism of a cleaning and maintenance mechanism for medical instruments according to the present invention;

fig. 7 is a schematic structural diagram of an overall discharging mechanism of a cleaning and maintenance mechanism for medical instruments according to the present invention.

In the figure: 1. a box body; 2. a cleaning mechanism; 21. a sprocket; 22. a chain; 23. a fixing device; 231. a guide post; 232. a support spring; 233. a splint; 24. a spray head; 25. a water inlet pipe; 26. a turntable; 27. a brush head; 28. a rotating shaft; 3. a housing; 4. a magnet; 5. a transmission mechanism; 51. a motor; 52. a first belt pulley; 53. a second belt pulley; 54. a first gear; 55. a second gear; 56. a third belt pulley; 57. a double-layer belt pulley; 58. a fourth belt pulley; 6. a driving roller; 7. a driven drum; 8. an ultraviolet lamp; 9. heating a tube; 10. a discharging mechanism; 101. a rotating plate; 102. a connecting rod; 103. a rotating rod; 104. a transmission rod; 105. a slide plate; 106. a support pillar; 107. a return spring; 108. a top block; 11. a drain pipe; 12. a sloping plate; 13. and (5) an oblique block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 1

A cleaning and maintenance mechanism for medical instruments is disclosed, as shown in figures 1-5, comprising a box body 1, a cleaning mechanism 2 is arranged inside the box body 1, a shell 3 is welded on the top wall inside the box body 1, a magnet 4 is rotatably connected on the inner wall of the shell 3, a transmission mechanism 5 is arranged on the right side of the box body 1, the inner wall of the box body 1 is respectively rotatably connected with a transmission roller 6 and a driven roller 7, the driven roller 7 is positioned at the front part of the transmission roller 6, the surface of the transmission roller 6 is in transmission connection with the surface of the driven roller 7 through a conveyor belt, an ultraviolet lamp 8 and a heating pipe 9 are respectively and fixedly connected on the inner wall of the box body 1, the ultraviolet lamp 8 and the heating pipe 9 are positioned between the driven roller 7 and the transmission roller 6, the ultraviolet lamp 8 is positioned above the heating pipe 9, a discharging mechanism 10 is arranged on the front part of the box body 1, a water discharging pipe 11 is communicated with the front part of the box body 1, and the water discharging pipe 11 is positioned above the discharging mechanism 10, the inner wall of the box body 1 is welded with an inclined plate 12 and an inclined block 13 respectively, the inclined block 13 is positioned at the rear part of the inclined plate 12, and the inclined plate 12 is positioned above the ultraviolet lamp 8.

In this embodiment, wiper mechanism 2 is including sprocket 21, sprocket 21 is provided with two sets ofly, and every group sprocket 21 is provided with two, through connecting rod welded fastening between two sprocket 21, connect through two chain 22 transmissions between two sets of sprocket 21, be provided with fixing device 23 between two chains 22, the inner wall of box 1 has four shower nozzles 24 through the connecting rod welding, the left side intercommunication of shower nozzle 24 has inlet tube 25, the inner wall of box 1 rotates and is connected with two pivot 28, the surface joint of pivot 28 has two carousel 26, the skin weld of carousel 26 has brush head 27, anterior two shower nozzles 24 can the blowout washing liquid, two shower nozzles 24 at rear portion can spout the clear water and wash the washing liquid in advance.

The front spraying cleaning liquid has better brushing effect when being brushed in the middle, further improves the cleaning effect, further can replace manual cleaning, has better effect, can also reduce the risk that hands are infected by the scratch of an instrument, greatly improves the safety, improves the efficiency of automatic cleaning, and reduces the labor intensity of medical personnel.

Further, the axle center of the chain wheel 21 is rotationally connected with the inner wall of the box body 1 through a connecting rod, and the surface of the water inlet pipe 25 is movably connected with the inner wall of the box body 1; the washed medical apparatus can be scrubbed through the brush head 27 on the rotary disc 26, so that the cleaning effect can be further improved, the risk of infection in subsequent use caused by unclean washing of the medical apparatus is prevented, and the potential safety hazard is high.

Furthermore, the fixing device 23 includes a guide post 231, a support spring 232 is sleeved on the surface of the guide post 231, and a clamp plate 233 is slidably connected on the surface of the guide post 231; can make things convenient for medical personnel to carry out the material loading through fixing device 23, only need with it insert between splint 233 can, unusual convenient and fast, practicality greatly increased is favorable to using widely.

In addition, the two ends of the guide post 231 are welded and fixed with the two chains 22, and the two ends of the supporting spring 232 are respectively contacted with the right side of the clamping plate 233 and the inner wall of the box body 1; medical instrument can be fixed through supporting spring 232 to prevent that it from taking place to rock when being washed by water and carousel 26 is scrubbed, and then influence abluent effect, or lead to medical instrument to take place to drop, and then damage.

In addition, drive mechanism 5 is including motor 51, the output of motor 51 has a belt pulley 52 through the connecting rod joint, the surface of a belt pulley 52 passes through the belt and is connected with the surface transmission of No. two belt pulleys 53, No. two the axle center department of belt pulley 53 welds No. one gear 54, the surface meshing of a gear 54 has No. two gears 55, No. three belt pulley 56 has been welded to the axle center department of No. two gears 55, the surface of No. three belt pulley 56 passes through the belt and is connected with the surface transmission of double-deck belt pulley 57, the surface of double-deck belt pulley 57 passes through the belt and is connected with the surface transmission of No. four belt pulleys 58.

The feeding of the medical instrument, the operation of the transmission mechanism 5 and the operation of the cleaning mechanism 2 can be simultaneously driven by one motor 51, so that the placing quantity of the motors 51 can be reduced, the investment in cost is reduced, the occupation of space can be reduced, the synchronous operation among all the mechanisms is realized, and the working efficiency is improved.

Example 2

As shown in fig. 5-7, on the basis of embodiment 1, in this embodiment, the left side of the motor 51 is connected to the right side of the box 1 through a bolt, the output end of the motor 51 is fixed to the axis of the transmission roller 6 in a clamping manner, the axis of the second belt pulley 53 is fixed to the axis of the magnet 4 in a clamping manner through a connecting rod, the axis of the third belt pulley 56 is fixed to the axis of the sprocket 21 in a clamping manner through a connecting rod, the axes of the double-layer belt pulley 57 and the fourth belt pulley 58 are respectively fixed to the left ends of the two rotating shafts 28 in a welding manner, and through holes are formed in the surfaces of the first gear 54 and the second gear 55, so that the material required in manufacturing can be reduced, the cost and the investment can be reduced, the weight of the first gear 54 and the second gear 55 can be conveniently installed and maintained in the subsequent process, and the practicability is high.

The discharging mechanism 10 comprises a rotating plate 101, a connecting rod 102 is welded on the left side of the rotating plate 101, a rotating rod 103 is connected on the surface of the connecting rod 102 in a rotating mode, a transmission rod 104 is connected on the inner wall of the rotating rod 103 in a rotating mode, a sliding plate 105 is welded at the right end of the transmission rod 104, a supporting column 106 is connected on the inner wall of the box body 1 in a sliding mode, a reset spring 107 is sleeved on the surface of the supporting column 106, and an ejector block 108 is welded at the top end of the supporting column 106.

Through discharge mechanism 10 can make the apparatus after the disinfection is dried pile up the ejection of compact again after a certain amount to can prevent that the discharge gate from being in the open mode always, reduce the inside heat lapse of box 1 as far as possible, the efficiency of the stoving is increased to the change looks, and the ejection of compact also can prevent that the direct blanking of medical instrument can be smashed badly like this, and then increases the maintenance cost.

The two sides of the rotating plate 101 are rotatably connected with the inner wall of the box body 1, the surface of the transmission rod 104 is slidably connected with the inner wall of the box body 1, the surface of the sliding plate 105 is slidably connected with the inner wall of the box body 1, the lower surface of the rotating plate 101 is in contact with the upper surface of the top block 108, and the two ends of the return spring 107 are respectively in contact with the bottom of the top block 108 and the bottom wall inside the box body 1.

Can carry on spacingly to rotor plate 101 through kicking block 108, prevent that it from taking place to rotate by oneself, and reset spring 107 can prevent that kicking block 108 from descending too fast, can make rotor plate 101 slowly rotate, makes slide 105 slowly rise, and then makes the discharge gate slowly open the grow, lets medical instrument once slowly roll-off, can not appear piling up the phenomenon of roll-off together, reduces its collision each other and then takes place to damage, reduces the loss.

When the cleaning and maintenance mechanism for the medical instrument is used, a scalpel and a pair of surgical forceps are inserted between the two clamping plates 233, and the supporting spring 232 pushes the clamping plates 233 to fix the clamping plates 233, so that the clamping plates are prevented from shaking when being washed by water and brushed by the rotary disc 26, and further the cleaning effect is prevented from being influenced.

The motor 51 rotates to drive the transmission roller 6 and the first belt pulley 52 to rotate, the first belt pulley 52 drives the second belt pulley 53 to rotate, the second belt pulley 53 drives the first gear 54 to rotate, the first gear 54 drives the second gear 55 to rotate, the second gear 55 drives the third belt pulley 56 to rotate, the third belt pulley 56 drives the chain wheel 21 to rotate, the chain wheel 21 drives the chain 22 to move, the chain 22 drives the guide post 231 to move, the guide post 231 drives the clamp plate 233 and the medical instrument to feed, meanwhile, the front spray head 24 can spray cleaning liquid and water to wash the medical instrument, the third belt pulley 56 drives the double-layer belt pulley 57 to rotate, the double-layer belt pulley 57 drives the fourth belt pulley 58 to rotate, the double-layer belt pulley 57 and the fourth belt pulley 58 drive the two rotating shafts 28 to rotate, the rotating shafts 28 drive the rotating disc 26 to rotate, the rotating disc 26 drives the brush head 27 to rotate, and the brush head 27 can brush the medical instrument, therefore, the automatic cleaning device does not need to be manually cleaned, reduces the risk of scratch infection of an instrument, greatly improves the safety, improves the efficiency by automatic cleaning, and reduces the labor intensity of medical personnel.

Continue to feed, shower nozzle 24 at rear portion can spout the clear water and wash it, when feeding the head, medical instrument can meet with magnet 4, magnet 4 can hold medical instrument, No. two belt pulleys 53 drive magnet 4 rotatory, magnet 4 drives medical instrument and rotates downwards, when the bottommost department, magnet 4 continues the rotation can make shell 3 intervene between magnet 4 and the medical instrument, make medical instrument no longer continue to be held, at this moment medical instrument can be along sloping 13 landing to the conveyer belt, 6 rotatory drive conveyer belts of driving drum feed, at this moment heating pipe 9 and ultraviolet lamp 8 can dry and disinfect to abluent medical instrument, thereby can reduce subsequent process operation, and then reduce with low costs and drop into, realize washing stoving disinfection integration, the practicality strengthens greatly.

The medical instrument after drying and disinfection continues to be fed and can fall on the rotating plate 101, after the medical instrument on the rotating plate 101 changes, the rotating plate 101 can press down the ejector block 108, the rotating plate 101 rotates and drives the connecting rod 102 to move upwards, the connecting rod 102 drives the rotating rod 103 to move upwards, the rotating rod 103 drives the transmission rod 104 to move upwards, the transmission rod 104 drives the sliding plate 105 to move upwards, at the moment, the discharge port is opened, the medical instrument can slide out along the rotating plate 101 and fall into a collection box prepared in advance, so that the discharge port can be prevented from being always opened, the heat passing in the box body 1 is reduced as far as possible, the drying efficiency is increased, the direct blanking of the medical instrument can be prevented from being broken by smashing, and the maintenance cost is increased.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a medical instrument is with wasing maintenance mechanism, includes box (1), its characterized in that: the cleaning device is characterized in that a cleaning mechanism (2) is arranged inside the box body (1), a shell (3) is welded on the top wall inside the box body (1), a magnet (4) is connected to the inner wall of the shell (3) in a rotating mode, a transmission mechanism (5) is arranged on the right side of the box body (1), a transmission roller (6) and a driven roller (7) are respectively connected to the inner wall of the box body (1) in a rotating mode, the driven roller (7) is located on the front portion of the transmission roller (6), the surface of the transmission roller (6) is connected with the surface of the driven roller (7) in a transmission mode through a conveyor belt, an ultraviolet lamp (8) and a heating pipe (9) are respectively and fixedly connected to the inner wall of the box body (1), the ultraviolet lamp (8) and the heating pipe (9) are located between the driven roller (7) and the transmission roller (6), and the ultraviolet lamp (8) is located above the heating pipe (9), the front part of the box body (1) is provided with a discharging mechanism (10), the front part of the box body (1) is communicated with a water discharging pipe (11), the water discharging pipe (11) is positioned above the discharging mechanism (10), inclined plates (12) and inclined blocks (13) are welded on the inner wall of the box body (1) respectively, the inclined blocks (13) are positioned at the rear part of the inclined plates (12), the inclined plates (12) are positioned above the ultraviolet lamp (8), the cleaning mechanism (2) comprises chain wheels (21), the chain wheels (21) are provided with two groups, each group of chain wheels (21) is provided with two groups, the two chain wheels (21) are welded and fixed through connecting rods, the two groups of chain wheels (21) are in transmission connection through two chains (22), a fixing device (23) is arranged between the two chains (22), and the inner wall of the box body (1) is welded with four spray heads (24) through connecting rods, the left side intercommunication of shower nozzle (24) has inlet tube (25), the inner wall of box (1) rotates and is connected with two pivot (28), the surface joint of pivot (28) has two carousel (26), the skin weld of carousel (26) has brush head (27), drive mechanism (5) are including motor (51), the output of motor (51) has belt pulley (52) No. one through the connecting rod joint, the surface of belt pulley (52) is passed through the belt and is connected with the surface drive of No. two belt pulleys (53), the axle center department welding of No. two belt pulleys (53) has gear (54) No. one, the surface meshing of gear (54) has gear (55) No. two, the axle center department welding of gear (55) has belt pulley (56) No. three, the surface of belt pulley (56) passes through the belt and is connected with the surface drive of double-deck belt pulley (57), the surface of the double-layer belt pulley (57) is in transmission connection with the surface of a fourth belt pulley (58) through a belt; the left side of the motor (51) is connected to the right side of the box body (1) through a bolt, the output end of the motor (51) is fixedly clamped with the axis of the transmission roller (6), the axis of the second belt pulley (53) is fixedly clamped with the axis of the magnet (4) through a connecting rod, the axis of the third belt pulley (56) is fixedly clamped with the axis of the chain wheel (21) through a connecting rod, and the axes of the double-layer belt pulley (57) and the fourth belt pulley (58) are respectively welded and fixed with the left ends of the two rotating shafts (28); the discharging mechanism (10) comprises a rotating plate (101), a connecting rod (102) is welded on the left side of the rotating plate (101), a rotating rod (103) is rotatably connected to the surface of the connecting rod (102), a transmission rod (104) is rotatably connected to the inner wall of the rotating rod (103), a sliding plate (105) is welded on the right end of the transmission rod (104), a supporting column (106) is slidably connected to the inner wall of the box body (1), a reset spring (107) is sleeved on the surface of the supporting column (106), and a top block (108) is welded on the top end of the supporting column (106); the two sides of the rotating plate (101) are rotatably connected with the inner wall of the box body (1), the surface of the transmission rod (104) is slidably connected with the inner wall of the box body (1), the surface of the sliding plate (105) is slidably connected with the inner wall of the box body (1), the lower surface of the rotating plate (101) is in contact with the upper surface of the ejector block (108), and the two ends of the reset spring (107) are in contact with the bottom of the ejector block (108) and the bottom wall inside the box body (1) respectively.

2. The cleaning and maintenance mechanism for a medical instrument according to claim 1, characterized in that: the axle center of the chain wheel (21) is rotationally connected with the inner wall of the box body (1) through a connecting rod, and the surface of the water inlet pipe (25) is movably connected with the inner wall of the box body (1).

3. The cleaning and maintenance mechanism for a medical instrument according to claim 1, characterized in that: the fixing device (23) comprises a guide post (231), a supporting spring (232) is sleeved on the surface of the guide post (231), and a clamping plate (233) is connected to the surface of the guide post (231) in a sliding mode.

4. The cleaning and maintenance mechanism for a medical instrument according to claim 3, characterized in that: the two ends of the guide post (231) are welded and fixed with the two chains (22), and the two ends of the supporting spring (232) are respectively contacted with the right side of the clamping plate (233) and the inner wall of the box body (1).