CN114191695A

CN114191695A - Medicine equipment is spouted to external knee wound

Info

Publication number: CN114191695A
Application number: CN202111556597.4A
Authority: CN
Inventors: 陈卫华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-18
Filing date: 2021-12-18
Publication date: 2022-03-18

Abstract

The invention relates to a medicine spraying device, in particular to an external medicine spraying device for knee wounds. The technical problem to be solved is as follows: provided is a squirting type external medicine spraying device for a wound at a knee part without contacting the wound. The technical scheme of the invention is as follows: the utility model provides an external medicine equipment is spouted to knee wound, includes installing support, dead lever, handle, reposition of redundant personnel section of thick bamboo and first pipe, and the equal rigid coupling in installing support both sides has the dead lever, and equal rigid coupling has the handle between the dead lever, and the rigid coupling has a reposition of redundant personnel section of thick bamboo on the installing support, and evenly distributed ground rigid coupling has a plurality of first pipes on the reposition of redundant personnel section of thick bamboo. According to the invention, the U-shaped block is held by hands, so that the U-shaped block rotates forwards to drive the box cover to rotate upwards, then sufficient medicine is added into the medicine storage box, and then the U-shaped block is held by hands to rotate the U-shaped block reversely to drive the box cover to move downwards, thereby achieving the effect of supplementing the medicine to the medicine storage box.

Description

Medicine equipment is spouted to external knee wound

Technical Field

The invention relates to a medicine spraying device, in particular to an external medicine spraying device for knee wounds.

Background

When the knee of a person is injured, the knee is easily touched to cause wound infection and suppuration, and the injury condition is aggravated.

Patent application CN202437972U, published as 09.19.2012, discloses a portable external medicine-applying brush, which comprises a holding rod, wherein two ends of the holding rod are respectively provided with bristles and a sponge coating head, protective caps are arranged outside the bristles and the sponge coating head, and the bristles are arranged in a rectangular shape: the portable externally-applied medicine-applying brush is convenient for a patient to apply a medicine to the skin with a large area, the holding rod is of a strip-shaped structure, the protective cap and the holding rod are clamped and connected through the mutually matched convex points and concave pits, but the portable externally-applied medicine-applying brush needs to be contacted with a wound in the medicine-applying process, so that the pain of the patient can be aggravated, and infection can be possibly caused.

Therefore, a squirt-type external knee wound spray device which does not contact a wound is now developed.

Disclosure of Invention

In order to overcome the defects that the existing equipment needs to be contacted with a wound in the process of applying the medicine, the pain of a patient is aggravated, and the infection is possibly caused, the technical problems to be solved are that: provided is a squirting type external medicine spraying device for a wound at a knee part without contacting the wound.

The technical scheme of the invention is as follows: the utility model provides an external use knee portion wound spouts medicine equipment, including the installing support, the dead lever, the handle, a reposition of redundant personnel section of thick bamboo, first pipe, the shower nozzle, benefit medicine mechanism and diversion control mechanism, the equal rigid coupling in installing support both sides has the dead lever, the rigid coupling has the handle between the dead lever, the rigid coupling has a reposition of redundant personnel section of thick bamboo on the installing support, evenly distributed ground rigid coupling has a plurality of first pipes on the reposition of redundant personnel section of thick bamboo, equal rigid coupling has the shower nozzle that is used for the blowout medicine on the first pipe, be equipped with on the installing support and mend medicine mechanism, it controls mechanism to mend to be equipped with the diversion in the medicine mechanism.

According to a preferred technical scheme of the invention, the medicine supplementing mechanism comprises a medicine storage box, a second conduit, a box cover, a first fixed shaft and a U-shaped block, the medicine storage box for storing medicines is fixedly connected onto the mounting support, the box cover is in threaded connection with the medicine storage box, the first fixed shaft is rotatably connected onto the box cover, the U-shaped block is fixedly connected onto the first fixed shaft, and the second conduit is fixedly connected onto the medicine storage box.

As a preferred technical scheme of the invention, the flow guide control mechanism comprises an air cylinder, a first slide block, a first connecting block, a fixed block and a third guide pipe, the third guide pipe is fixedly connected to the flow distribution cylinder, the fixed block is fixedly connected to the third guide pipe, sliding grooves are formed in two sides of the fixed block, the first slide block is slidably connected to the middle of the fixed block, a circular groove hole is formed in the middle of the first slide block, the first connecting block is fixedly connected to two sides of the first slide block and is in contact with the sliding grooves, the air cylinder for driving equipment is fixedly connected to the mounting support, an air cylinder telescopic shaft is fixedly connected with the first slide block, the second guide pipe is in contact with the first slide block, and the first slide block is in contact with the third guide pipe.

The dustproof mechanism is arranged on the mounting support, the first sliding blocks are fixedly connected with the first racks, the second fixing shafts are fixedly connected to two sides of the mounting support, the second fixing shafts are rotatably connected to the gears, the gears are meshed with the first racks, the mounting support is connected with the second racks in a sliding mode, the second racks are meshed with adjacent gears, the sliding rods are fixedly connected to two sides of the mounting support, the first racks are connected with the sliding rods in a sliding mode, the first springs are fixedly connected to two sides between the first racks and the mounting support, the first springs are sleeved on the sliding rods, and the first racks and the second racks are attached to the spray heads.

The invention also comprises a clamping mechanism which comprises a pressurizing mechanism, a screw rod, a convex block, a rotating block, telescopic cylinders, a second connecting block and a second spring, wherein the clamping mechanism is arranged on the mounting bracket, the screw rods are rotationally connected with the two sides of the mounting bracket in a bilateral symmetry manner, the convex blocks used for driving the screw rods are fixedly connected with the two sides of the first rack and the second rack, the convex blocks are connected with the screw rods in a sliding manner, the rotating blocks are fixedly connected with the screw rods, the second springs are fixedly connected with the two sides of the rotating blocks, the telescopic cylinders are fixedly connected with the two sides of the rotating blocks, the second springs are positioned in the adjacent telescopic cylinders, and the second connecting blocks are fixedly connected with the adjacent telescopic cylinders.

The invention also comprises a second sliding block, a telescopic rod, a third connecting block, a hollow block, a third spring and a fourth conduit, wherein the hollow block is fixedly connected to the mounting bracket, the fourth conduit is fixedly connected to both sides of the hollow block, the fourth conduit is fixedly connected to the medicine storage box, the fourth conduit is close to one side of the medicine storage box, the second sliding block is fixedly connected to the first sliding block, the telescopic rod is fixedly connected to both sides of the second sliding block, the third connecting block is fixedly connected to the telescopic rod, the third connecting block is slidably connected to the hollow block, the third spring is fixedly connected to both sides between the hollow block and the second sliding block, and the third spring is sleeved on the telescopic rod.

As a preferable technical scheme, the water absorption device further comprises a blocking mechanism, wherein the blocking mechanism comprises a fourth spring, a fourth connecting block and water absorption cotton, the blocking mechanism is arranged on the mounting support, the mounting support is fixedly connected with the fourth springs in an evenly distributed mode, the fourth springs are fixedly connected with the fourth connecting block together, and the fourth connecting block is detachably connected with the water absorption cotton.

As a preferable aspect of the present invention, the water-absorbent cotton is soft.

The invention has the beneficial effects that: 1. according to the invention, the U-shaped block is held by hands, so that the U-shaped block rotates forwards to drive the box cover to rotate upwards, then sufficient medicine is added into the medicine storage box, and then the U-shaped block is held by hands to rotate reversely, so that the box cover is driven to rotate downwards to be screwed in and reset, and the effect of supplementing the medicine to the medicine storage box is achieved.

2. According to the invention, when the first sliding block is driven to move leftwards by the telescopic shaft of the air cylinder, the first rack is driven to move leftwards, so that the gear rotates in the forward direction, the second rack is driven to move rightwards, and the middles of the first rack and the second rack are separated from the bottom of the spray head, so that the effect of spraying the medicine to the knee from the spray head is achieved.

3. According to the invention, when the external knee wound medicine spraying device is placed above the knee, the external knee wound medicine spraying device is attached to the knee, the fourth springs are deformed to different degrees, the soft water absorption cotton is contacted with the knee, and after the medicine spraying is finished, redundant medicines are left on the water absorption cotton, so that the effects of preventing the knee from being injured secondarily and collecting waste liquid are achieved.

Drawings

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

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a perspective sectional view of the present invention.

Fig. 4 is a partial perspective sectional view of the present invention.

Fig. 5 is a schematic perspective view of the drug replenishing mechanism of the present invention.

Fig. 6 is a three-dimensional structural sectional view of the drug replenishing mechanism of the present invention.

Fig. 7 is a schematic perspective view of the diversion control mechanism of the present invention.

Fig. 8 is a sectional view of the three-dimensional structure of the diversion control mechanism of the present invention.

Fig. 9 is a schematic perspective view of a first dust-proof mechanism according to the present invention.

Fig. 10 is a perspective sectional view of the dust-proof mechanism of the present invention.

Fig. 11 is a schematic perspective view of a second dust-proof mechanism according to the present invention.

Fig. 12 is a schematic perspective view of a first clamping mechanism of the present invention.

Fig. 13 is a perspective sectional view of the clamping mechanism of the present invention.

Fig. 14 is a schematic perspective view of a second clamping mechanism of the present invention.

Fig. 15 is a schematic perspective view of a first embodiment of the pressurizing mechanism of the present invention.

Fig. 16 is a schematic perspective view of a second embodiment of the pressurizing mechanism of the present invention.

Fig. 17 is a perspective sectional view of the pressurizing mechanism of the present invention.

Fig. 18 is a perspective sectional view of the blocking mechanism of the present invention.

Fig. 19 is a schematic perspective view of the blocking mechanism of the present invention.

Labeled as: 1-mounting bracket, 2-fixing rod, 3-handle, 4-shunt cylinder, 5-first conduit, 6-spray head, 7-medicine supplementing mechanism, 70-medicine storage box, 71-second conduit, 72-box cover, 73-first fixing shaft, 74-U-shaped block, 8-guide flow control mechanism, 80-air cylinder, 81-first slide block, 82-first connecting block, 83-fixing block, 84-third conduit, 9-dustproof mechanism, 90-first rack, 91-slide rod, 92-first spring, 93-second fixing shaft, 94-gear, 95-second rack, 10-clamping mechanism, 101-screw rod, 102-lug, 103-rotating block, 104-telescopic cylinder, 105-second connecting block, 106-a second spring, 11-a pressurizing mechanism, 111-a second sliding block, 112-a telescopic rod, 113-a third connecting block, 114-a hollow block, 115-a third spring, 116-a fourth conduit, 12-a stopping mechanism, 121-a fourth spring, 122-a fourth connecting block and 123-absorbent cotton.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

The utility model provides an external medicine equipment is spouted to knee wound, as shown in fig. 1-19, including installing support 1, dead lever 2, handle 3, reposition of redundant personnel section of thick bamboo 4, first pipe 5, shower nozzle 6, benefit medicine mechanism 7 and guide flow control mechanism 8, the equal fixedly connected with dead lever 2 in the left and right sides of installing support 1 upper portion, fixedly connected with handle 3 between the dead lever 2, fixedly connected with reposition of redundant personnel section of thick bamboo 4 in the middle of installing support 1 lower part, seven first pipes 5 of fixedly connected with in the middle of reposition of redundant personnel section of thick bamboo 4 bottom evenly distributed, the equal fixedly connected with shower nozzle 6 in first pipe 5 lower part, be equipped with benefit medicine mechanism 7 on installing support 1, be equipped with guide flow control mechanism 8 on the benefit medicine mechanism 7.

The medicine supplementing mechanism 7 comprises a medicine storage box 70, a second guide pipe 71, a box cover 72, a first fixing shaft 73 and a U-shaped block 74, the middle part of the mounting support 1 is fixedly connected with the medicine storage box 70, the left side of the top of the medicine storage box 70 is in threaded connection with the box cover 72, the box cover 72 is in rotating connection with the first fixing shaft 73, the U-shaped block 74 is fixedly connected onto the first fixing shaft 73, and the middle part of the bottom of the medicine storage box 70 is fixedly connected with the second guide pipe 71.

The flow guide control mechanism 8 comprises a cylinder 80, a first sliding block 81, a first connecting block 82, a fixing block 83 and a third guide pipe 84, the third guide pipe 84 is fixedly connected to the top of the shunt cylinder 4, the fixing block 83 is fixedly connected to the top of the third guide pipe 84, sliding grooves are formed in the front side and the rear side of the fixing block 83, the first sliding block 81 is slidably connected to the middle of the fixing block 83, a circular groove hole is formed in the middle of the first sliding block 81, the first connecting block 82 is fixedly connected to the front side and the rear side of the first sliding block 81, the first connecting block 82 is in contact with the sliding grooves, the cylinder 80 is fixedly connected to the right side of the mounting bracket 1, a telescopic shaft of the cylinder 80 is fixedly connected with the first sliding block 81, the bottom of the second guide pipe 71 is in contact with the first sliding block 81, and the bottom of the first sliding block 81 is in contact with the third guide pipe 84.

When the external knee wound medicine spraying device is used, the U-shaped block 74 is held by hands, the U-shaped block 74 is rotated forward, the box cover 72 is driven to be screwed out upwards, then sufficient medicine is added into the medicine storage box 70, the U-shaped block 74 is held by hands again, the U-shaped block 74 is rotated reversely, the box cover 72 is driven to be screwed in downwards to reset, the medicine storage box 70 can be supplemented with the medicine by repeating the operations, the external knee wound medicine spraying device is placed above the knee, then the air cylinder 80 is opened, the telescopic shaft of the air cylinder 80 drives the first sliding block 81 to move leftwards, so that the lower part of the first sliding block 81 is separated from the bottom of the third conduit 84, the slotted hole on the first sliding block 81 is attached to the second conduit 71, the medicine in the medicine storage box 70 enters the second conduit 71 under the action of gravity, enters the third conduit 84 through the slotted hole on the first sliding block 81 and then enters the shunt tube 4, the first conduit 5 is sprayed upwards from the spray head 6, thereby accomplish automatic medicine process of adding to can not touch knee wound, put the medicine equipment of external knee wound medicine spraying when not using and can the normal position, the cylinder 80 telescopic shaft drives first slider 81 and moves right and resets, and close cylinder 80 can.

Also comprises a dust-proof mechanism 9 which comprises a first rack 90, a slide bar 91 and a first spring 92, second fixed axle 93, gear 94 and second rack 95, dustproof mechanism 9 establishes on installing support 1, first slider 81 lower part fixedly connected with first rack 90, the equal rigid coupling in both sides has second fixed axle 93 around installing support 1, the equal rotary type is connected with the gear on the second fixed axle 93, gear 94 all meshes with first rack 90 all, installing support 1 lower part sliding connection has second rack 95, second rack 95 all meshes with adjacent gear 94, the equal fixedly connected with slide bar 91 in both sides around installing support 1 is left, first rack 90 and slide bar 91 sliding connection, first spring 92 fixed connection is in both sides around between first rack 90 and installing support 1, first spring 92 all overlaps on slide bar 91, the centre of first rack 90 and second rack 95 all with shower nozzle 6 bottom laminating.

When the external medicine spraying device for knee wounds is used, the telescopic shaft of the air cylinder 80 drives the first sliding block 81 to move leftwards, the first rack 90 is driven to move leftwards, the gear 94 rotates positively, the second rack 95 is driven to move rightwards, so that the middle of the first and

second racks

90 and 95 is separated from the bottom of the spray head 6, so that the medicine can be sprayed from the spray head 6 to the knees, meanwhile, when the first spring 92 is compressed uniformly, and the telescopic shaft of the cylinder 80 drives the first sliding block 81 to move rightwards, under the combined action of the restoring force of the first spring 92, the first rack 90 is driven to move rightwards to reset, the gears 94 are driven to rotate reversely to reset, the second rack 95 is driven to move leftwards to reset, and then make the centre of first rack 90 and second rack 95 all laminate again with shower nozzle 6 bottom and reset, first rack 90 and second rack 95 can play the effect that blocks the dust when not using.

The clamping mechanism 10 is further included, the clamping mechanism comprises a screw 101, a convex block 102, a rotating block 103, a telescopic cylinder 104, a second connecting block 105 and a second spring 106, the clamping mechanism 10 is arranged on the mounting support 1, the front side and the rear side of the mounting support 1 are respectively connected with the screw 101 in a rotating mode in a bilateral symmetry mode, the convex blocks 102 are fixedly connected to the front side and the rear side of the first rack 90 and the second rack 95 respectively, the convex blocks 102 are connected with the screw 101 in a sliding mode, the rotating block 103 is fixedly connected to the outer side of the screw 101, the second spring 106 is fixedly connected to the upper side and the lower side of the outer side of the rotating block 103, the telescopic cylinders 104 are fixedly connected to the upper side and the lower side of the outer side of the rotating block 103, the second spring 106 is located in the adjacent telescopic cylinders 104, and the second connecting block 105 is fixedly connected to the outer sides of the adjacent telescopic cylinders 104 together.

When the external medicine spraying device for knee wounds is used, the telescopic shaft of the air cylinder 80 drives the first sliding block 81 to move leftwards, so as to drive the lug 102 on the first rack 90 to move leftwards, so as to drive the screw 101 on the left side to rotate, so as to drive the rotating block 103 on the left side to rotate, so as to drive the telescopic cylinder 104 on the left side and the second spring 106 to rotate, so as to drive the second connecting block 105 on the left side to rotate, when the second connecting block 105 on the left side rotates to contact with the knee, under the blocking action of the knee, the telescopic cylinder 104 on the left side and the second spring 106 are compressed, the first rack 90 moves leftwards, so as to drive the gear 94 to rotate forwardly, so as to drive the lug 102 on the second rack 95 to move rightwards, so as to drive the screw 101 on the right side to rotate, so as to drive the rotating block 103 on the right side to rotate, so as to drive the telescopic cylinder 104 on the right side and the second spring 106 to rotate, when the right second connecting block 105 rotates to contact with the knees, under the blocking action of the knees, the right telescopic cylinder 104 and the second spring 106 are compressed, so that the second connecting block 105 cannot impact the knees to play a role in buffering and protecting the knees, after use, when the telescopic shaft of the air cylinder 80 drives the first sliding block 81 to move rightwards, the first rack 90 is driven to move rightwards, the lug 102 on the first rack 90 is driven to move rightwards, the first rack 90 moves rightwards to enable the gear 94 to rotate reversely, and when the second rack 95 is driven to move leftwards, the lug 102 on the second rack 95 is driven to move leftwards, so that the screw 101 rotates reversely, the rotating blocks 103 are driven to rotate reversely to reset, when the second connecting block 105 rotates to be separated from the knees, the telescopic cylinder 104 is stretched to reset under the action force of the second spring 106 recovering to the original state, the rotating block 103 drives the telescopic cylinder 104 and the second spring 106 to rotate reversely and reset, so that the second connecting block 105 rotates reversely and resets.

Still including booster mechanism 11, wherein include second slider 111, telescopic link 112, third connecting block 113, hollow block 114, third spring 115 and fourth pipe 116, the hollow block 114 of installing support 1 left side fixedly connected with, the equal fixedly connected with fourth pipe 116 in both sides around hollow block 114 upper portion right side, fourth pipe 116 common and explosive box 70 fixed connection, roof in the explosive box 70 is close at fourth pipe 116 top, first slider 81 left side fixedly connected with second slider 111, the equal fixedly connected with telescopic link 112 in both sides around the left side of second slider 111, the common fixedly connected with third connecting block 113 in telescopic link 112 left side, third connecting block 113 and hollow block 114 sliding connection, the equal fixedly connected with third spring 115 in both sides around between the right side of hollow block 114 and the left side of second slider 111, third spring 115 all overlaps on telescopic link 112.

When the external knee wound medicine spraying device is used, when the telescopic shaft of the air cylinder 80 drives the first sliding block 81 to move leftwards, the first rack 90 is driven to move leftwards, the second sliding block 111 is driven to move leftwards, the telescopic rod 112 and the third spring 115 are both compressed to play a role of buffering, so that the gas pressure in the hollow block 114 is increased, air enters the medicine storage box 70 through the fourth conduit 116, the gas pressure in the medicine storage box 70 is increased, the speed of the medicine in the medicine storage box 70 flowing to the second conduit 71 is increased, when the telescopic shaft of the air cylinder 80 drives the first sliding block 81 to move rightwards, the second sliding block 111 is driven to move rightwards, under the action force of the third spring 115 recovering the original state, the telescopic rod 112 is stretched and reset, the telescopic rod 112 is driven to move rightwards by the second sliding block 111, so that the gas pressure in the hollow block 114 is reduced, so that the air at the top of the medicine box 70 enters the hollow block 114 through the fourth conduit 116, so that the air pressure in the hollow block 114 is restored.

The water absorption type stop device is characterized by further comprising a stop mechanism 12, wherein the stop mechanism 12 comprises a fourth spring 121, a fourth connecting block 122 and water absorption cotton 123, the stop mechanism 12 is arranged at the bottom of the mounting support 1, twelve fourth springs 121 are fixedly connected to the middle of the bottom of the mounting support 1 in an evenly distributed mode, the bottom of each fourth spring 121 is fixedly connected with the fourth connecting block 122, and the bottom of each fourth connecting block 122 is detachably connected with the water absorption cotton 123.

When using external knee wound to spout medicine equipment, spout medicine equipment with external knee wound when putting above the knee, make external knee wound spout medicine equipment and knee laminating, the deformation of different degrees all takes place for fourth spring 121 this moment, the soft cotton 123 that absorbs water of texture contacts with the knee, play and prevent the effect that the knee is injured twice, spout the medicine back that finishes, unnecessary medicine is stayed on the cotton 123 that absorbs water, play the effect of collecting the waste liquid, when needing to be changed the cotton 123 that absorbs water, then dismantle the cotton 123 that absorbs water, again with new cotton 123 that absorbs water install on fourth connecting block 122 can.

The embodiments described above are provided to enable persons skilled in the art to make or use the invention and that modifications or variations can be made to the embodiments described above by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of protection of the present invention is not limited by the embodiments described above but should be accorded the widest scope consistent with the innovative features set forth in the claims.

Claims

1. The utility model provides an external use knee wound spouts medicine equipment which characterized in that: including installing support (1), dead lever (2), handle (3), reposition of redundant personnel section of thick bamboo (4), first pipe (5), shower nozzle (6), mend medicine mechanism (7) and water conservancy diversion control mechanism (8), the equal rigid coupling in installing support (1) both sides has dead lever (2), the rigid coupling has handle (3) between dead lever (2), the rigid coupling has reposition of redundant personnel section of thick bamboo (4) on installing support (1), evenly distributed ground rigid coupling has a plurality of first pipe (5) on reposition of redundant personnel section of thick bamboo (4), equal rigid coupling has shower nozzle (6) that are used for the blowout medicine on first pipe (5), be equipped with on installing support (1) and mend medicine mechanism (7), be equipped with water conservancy diversion control mechanism (8) on the mechanism of menring medicine (7).

2. An external knee wound spray apparatus as claimed in claim 1, wherein: the medicine supplementing mechanism (7) comprises a medicine storage box (70), a second guide pipe (71), a box cover (72), a first fixed shaft (73) and a U-shaped block (74), the medicine storage box (70) used for storing medicines is fixedly connected to the mounting support (1), the box cover (72) is in threaded connection with the medicine storage box (70), the box cover (72) is in rotating connection with the first fixed shaft (73), the U-shaped block (74) is fixedly connected to the first fixed shaft (73), and the second guide pipe (71) is fixedly connected to the medicine storage box (70).

3. An external knee wound spray apparatus as claimed in claim 2, wherein: the guide flow control mechanism (8) comprises an air cylinder (80), a first sliding block (81), a first connecting block (82), a fixed block (83) and a third guide pipe (84), a third guide pipe (84) is fixedly connected to the shunt cylinder (4), the fixed block (83) is fixedly connected to the third guide pipe (84), sliding grooves are formed in two sides of the fixed block (83), the middle of the fixed block (83) is slidably connected with the first sliding block (81), a circular groove hole is formed in the middle of the first sliding block (81), first connecting blocks (82) are fixedly connected to two sides of the first sliding block (81), the first connecting blocks (82) are in contact with the sliding grooves, the air cylinder (80) used for driving equipment is fixedly connected to the mounting support (1), an expansion shaft of the air cylinder (80) is fixedly connected with the first sliding block (81), a second guide pipe (71) is in contact with the first sliding block (81), and the first sliding block (81) is in contact with the third guide pipe (84).

4. An external knee wound spray apparatus as claimed in claim 3, wherein: the dustproof mechanism (9) comprises a first rack (90), a sliding rod (91), a first spring (92), a second fixed shaft (93), a gear (94) and a second rack (95), the dustproof mechanism (9) is arranged on the mounting bracket (1), the first racks (90) are fixedly connected to the first sliding block (81), the second fixed shaft (93) is fixedly connected to two sides of the mounting bracket (1), the gear (94) is rotatably connected to the second fixed shaft (93), the gear (94) is respectively engaged with the first rack (90), the second racks (95) are respectively slidably connected to the mounting bracket (1), the second racks (95) are respectively engaged with the adjacent gears (94), the sliding rod (91) is fixedly connected to two sides of the mounting bracket (1), the first rack (90) is slidably connected with the sliding rod (91), the first spring (92) is fixedly connected to two sides between the first rack (90) and the mounting bracket (1), the first spring (92) is sleeved on the sliding rod (91), and the first rack (90) and the second rack (95) are attached to the spray head (6).

5. An external knee wound spray apparatus as claimed in claim 4, wherein: the clamping device is characterized by further comprising a clamping mechanism (10), wherein the clamping mechanism comprises a screw rod (101), a convex block (102), a rotating block (103), a telescopic cylinder (104), a second connecting block (105) and a second spring (106), the clamping mechanism (10) is arranged on the mounting support (1), the screw rod (101) is rotationally connected to the two sides of the mounting support (1) in a bilateral symmetry mode, the convex block (102) used for driving the screw rod is fixedly connected to the two sides of a first rack (90) and a second rack (95), the convex block (102) is connected with the screw rod (101) in a sliding mode, the rotating block (103) is fixedly connected to the two sides of the rotating block (103), the second spring (106) is fixedly connected to the two sides of the rotating block (103), the telescopic cylinder (104) is fixedly connected to the two sides of the rotating block (103), the second spring (106) is located in the adjacent telescopic cylinder (104), and the second connecting block (105) is fixedly connected to the adjacent telescopic cylinder (104) jointly.

6. An external knee wound spray apparatus as claimed in claim 5, wherein: also comprises a booster mechanism (11), a second sliding block (111), a telescopic rod (112) and a third connecting block (113), hollow block (114), third spring (115) and fourth pipe (116), the rigid coupling has hollow block (114) on installing support (1), the equal rigid coupling in hollow block (114) both sides has fourth pipe (116), fourth pipe (116) jointly with explosive box (70) rigid coupling, fourth pipe (116) are close explosive box (70) certain one side, the rigid coupling has second slider (111) on first slider (81), the equal rigid coupling in second slider (111) both sides has telescopic link (112), the common rigid coupling of telescopic link (112) has third connecting block (113), third connecting block (113) and hollow block (114) sliding connection, the equal rigid coupling in both sides between hollow block (114) and second slider (111) has third spring (115), third spring (115) all overlaps on telescopic link (112).

7. An external knee wound spray apparatus as claimed in claim 6, wherein: the water absorption type water absorption device is characterized by further comprising a stopping mechanism (12), wherein the stopping mechanism (12) comprises a fourth spring (121), a fourth connecting block (122) and water absorption cotton (123), the stopping mechanism (12) is arranged on the mounting support (1), the mounting support (1) is fixedly connected with a plurality of fourth springs (121) in an evenly distributed mode, the fourth springs (121) are fixedly connected with the fourth connecting block (122) together, and the fourth connecting block (122) is detachably connected with the water absorption cotton (123).

8. An external knee wound spray apparatus as claimed in claim 7, wherein: the absorbent cotton (123) is soft.