CN113082345A

CN113082345A - Wound treatment device for skin surgery

Info

Publication number: CN113082345A
Application number: CN202110472378.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-07-09

Abstract

The invention relates to the technical field of surgery, in particular to a wound treatment device for skin surgery, which comprises a shell and further comprises: the conveying mechanism is fixedly arranged on the upper end surface of the shell; the wound treatment device comprises a shell, a flow limiting mechanism and a spray head, wherein the flow limiting mechanism plays a role in limiting the flow of liquid, is fixedly arranged on the upper end surface of the shell through a conveying mechanism, and is worthy of popularization.

Description

Wound treatment device for skin surgery

Technical Field

The invention relates to the technical field of surgery, in particular to a wound treatment device for skin surgery.

Background

When the ordinary skin surgery cleans or changes the medicine of the wound of a patient, firstly the wound needs to be observed, necrotic tissues need to be cleaned, the wound surface needs to be cleaned, when cleaning the wound, the medical staff needs to disinfect and clean the wound of each patient, when the cotton swab is used for disinfection, medical care personnel can control the self-treatment force according to the specific damage condition of the wound, so that the pain feeling felt by a patient is lower, the existing wound cleaning device can not control the flushing force in time according to specific conditions, thus, the patient feels pain, but the manual operation of thoroughly cleaning the wound is troublesome, the cleaning efficiency is not high, there is a need for a device that cleans typical skin wounds and controls the flow rate of cleaning fluid in response to different levels of wound damage.

Disclosure of Invention

The invention aims to solve the defect that the cleaning force cannot be timely controlled according to the specific damage condition of a wound in the prior art, and provides a wound treatment device for skin surgery.

In order to achieve the purpose, the invention adopts the following technical scheme:

it is designed a wound treatment device for skin surgery, comprising a housing, further comprising:

the conveying mechanism is fixedly arranged on the upper end surface of the shell;

the flow limiting mechanism plays a role in limiting flow of liquid, the flow limiting mechanism is fixedly arranged on the upper end face of the shell through a conveying mechanism, and a spray head is fixedly arranged at the upper end of the flow limiting mechanism.

Preferably, the flow limiting mechanism comprises a mounting box, a plugging block, a flow limiting hole, a linkage block, a screw rod and a rotating handle, the lower end of the mounting box is fixedly connected with the conveying mechanism, the upper end of the mounting box is fixedly connected with the spray head, the plugging block is slidably arranged in the mounting box, the middle of the plugging block is provided with the flow limiting hole for flowing liquid, a through groove for flowing liquid is further formed in the side wall of the mounting box, one side in the plugging block is provided with a square mounting groove, the linkage block is arranged in the mounting groove in a matched mode, the linkage block is sleeved on the outer side of the screw rod in a threaded mode, and the upper end of the screw rod penetrates through the mounting box, extends to the upper portion of the mounting box and is fixedly connected with the;

the blocking block has two kinds of operating condition, one of which, the blocking block is located mounting box bottom or top, lead to the groove tip and be in by the shutoff state, its two, the blocking block is located mounting box middle part, lead to the groove both ends and be in the intercommunication state.

Preferably, the spray head is fixedly communicated with the mounting box through a gooseneck.

Preferably, a containing box is fixedly arranged in the shell, an adding hopper is fixedly arranged at the upper end of the containing box, and the upper end of the containing box is fixedly connected with the conveying mechanism;

the device also comprises a transmission device for driving the conveying mechanism to move.

Preferably, the conveying mechanism comprises a fixed box, a piston, a connecting pipe and a one-way valve, the fixed box is fixedly installed on the upper end face of the shell, the piston is arranged in the fixed box in a sliding mode and fixedly connected with the transmission device, one end of the connecting pipe is fixedly connected with the lower end of the fixed box, and the other end of the connecting pipe is communicated with the containing box.

Preferably, the transmission device comprises a connecting mechanism and a triggering mechanism, and the connecting mechanism and the triggering mechanism are fixedly connected and fixedly installed in the shell.

Preferably, the connecting mechanism comprises a supporting rod, a fixed plate, a movable plate, a connecting rod, a rotary table, a protrusion, a ring frame and a rotary shaft, one end of the supporting rod is fixedly connected with the piston, the other end of the supporting rod is fixedly connected with the upper end of the movable plate, the movable plate is movably arranged on the surface of the fixed plate up and down, the fixed plate is fixedly arranged in the shell, one side of the movable plate is fixedly connected with one end of the connecting rod, the other end of the connecting rod is fixedly connected with the protrusion, the ring frame is sleeved outside the protrusion, the protrusion is fixedly arranged on the surface of the rotary table, the rotary table is fixedly connected with the rotary shaft, and the rotary shaft is;

the track of the projection rotating along the rotating shaft does not pass through the circle center of the turntable.

Preferably, the trigger mechanism comprises a pressing rod, a rack, a spring and a gear, the pressing rod is movably arranged on the upper end face of the shell in a penetrating mode from top to bottom, the lower end, extending to the inner side of the shell, of the pressing rod is fixedly connected with the upper end of the rack, the lower end of the rack is fixedly connected with the upper end of the spring, the lower end of the spring is fixedly connected with the bottom of the shell, the gear is fixedly connected with the rotating shaft, the gear is meshed with the rack, and the turntable is fixedly mounted on the rotating shaft.

Preferably, a containing mechanism is fixedly mounted inside the housing and comprises a containing box, a through pipe and a hand basin, the containing box is fixedly mounted inside the housing, the hand basin is fixedly mounted on the upper end face of the housing and located below the spray head, and the hand basin is communicated with the hand basin through the through pipe.

The wound treatment device for the skin surgery has the advantages that: this wound processing apparatus is in the use, the rotation turning handle, the turning handle can drive the lead screw and rotate, the lead screw rotates and can drive the linkage piece and reciprocate, thereby the linkage piece reciprocates and can drive the shutoff piece and reciprocate, the shutoff piece reciprocates and can control the break-make that leads to the groove, thereby control the circulation speed to disinfection liquid, make the shower nozzle spout the flow velocity of the liquid of flowing can be adjusted, the patient can in time adjust the flow velocity of liquid through rotating the turning handle according to the needs of oneself, can reduce patient's pain sense in the at utmost, and spout that the washing liquid of flowing can be complete carry out comprehensive clearance with patient's wound, the washing liquid cleaning performance that flows is better.

Drawings

FIG. 1 is a schematic view of a wound treatment device for skin surgery according to the present invention;

FIG. 2 is a schematic cross-sectional view of a wound treatment device for skin surgery according to the present invention;

FIG. 3 is a schematic cross-sectional view taken at A-A in FIG. 2 of a wound treatment apparatus for skin surgery according to the present invention;

FIG. 4 is an enlarged schematic view of a wound treatment device for skin surgery shown in FIG. 2 at B;

FIG. 5 is an enlarged schematic view of a wound treatment device for skin surgery at C in FIG. 2;

fig. 6 is a schematic cross-sectional structure view at D-D in fig. 4 of a wound treatment device for skin surgery according to the present invention.

In the figure: the device comprises a shell 1, a flow limiting mechanism 2, a mounting box 21, a blocking block 22, a flow limiting hole 23, a through groove 24, a mounting groove 25, a linkage block 26, a screw rod 27, a rotating handle 28, a conveying mechanism 3, a fixed box 31, a piston 32, a connecting pipe 33, a one-way valve 34, a connecting mechanism 4, a support rod 41, a fixed plate 42, a movable plate 43, a connecting rod 44, a rotary disc 45, a protrusion 46, a ring frame 47, a rotating shaft 48, a trigger mechanism 5, a pressing rod 51, a rack 52, a spring 53, a gear 54, a containing mechanism 6, a containing box 61, a through pipe 62, a hand basin 63, a spray head 7, a containing box 8 and an adding hopper.

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.

Example 1

Referring to fig. 1 to 6, a wound treatment device for skin surgery includes a housing 1, and further includes:

the conveying mechanism 3 is used for conveying liquid, and the conveying mechanism 3 is fixedly arranged on the upper end surface of the shell 1; play the current limiting mechanism 2 of current-limiting effect to liquid, current limiting mechanism 2 passes through 3 fixed mounting of conveying mechanism in 1 up end of casing, 2 upper end fixed mounting of current limiting mechanism has shower nozzle 7, conveying mechanism 3 carries disinfectant liquid for shower nozzle 7, then spout disinfectant liquid through shower nozzle 7, timely cleaning and disinfecting to patient's wound through flowing disinfectant liquid, because the wound damage of some patients is more serious, when disinfecting through the faster disinfectant liquid of velocity of flow, can produce great sense of pain, thereby control the flow rate of liquid through the size of the volume of flow of current limiting mechanism 2 to disinfectant liquid, shower nozzle 7 is linked together with mounting box 21 is fixed through the gooseneck, the angle modulation of gooseneck is very convenient, when shower nozzle 7 uses, can be convenient for adjust the angle of shower nozzle 7.

Current-limiting mechanism 2 includes mounting box 21, the shutoff piece 22, restricted aperture 23, linkage piece 26, lead screw 27 and turning handle 28, mounting box 21 lower extreme links to each other with conveying mechanism 3 is fixed, the upper end links to each other with shower nozzle 7 is fixed, the shutoff piece 22 slides and sets up inside mounting box 21, the restricted aperture 23 that is used for circulating liquid is offered at shutoff piece 22 middle part, logical groove 24 that is used for circulating liquid still is offered in the mounting box 21 lateral wall, square mounting groove 25 has been seted up to inside one side of shutoff piece 22, linkage piece 26 cooperation sets up in mounting groove 25, the lead screw 27 outside is located to the linkage piece 26 thread bush, lead screw 27 upper end runs through and extends to mounting box 21 top and fixed linking to each other with turning handle 28, it can drive lead screw 27 and rotate to rotate turning handle 28.

The rotating handle 28 is rotated, the rotating handle 28 can drive the screw rod 27 to rotate, the screw rod 27 can drive the linkage block 26 to move up and down, the linkage block 26 moves up and down to drive the blocking block 22 to move up and down, the blocking block 22 has two working states, one of which is that the blocking block 22 is positioned at the bottom or the top of the mounting box 21, the end part of the through groove 24 is in a blocked state, the disinfection liquid can only pass through the restricted flow hole 23 at the moment, the flowing speed of the liquid sprayed out through the spray head 7 is minimum at the moment, and the disinfection can be carried out under the condition that the wound of a patient is seriously damaged; secondly, the shutoff piece 22 is located the mounting box 21 middle part, leads to 24 both ends and is in the intercommunication state, and disinfection liquid both can pass through restricted aperture 23 this moment, can pass through logical groove 24 again, and the speed of disinfection liquid circulation is the fastest this moment, and is the biggest through 7 spun liquid flow rate of shower nozzle, carries out quick disinfection under the not serious condition of patient's wound damage.

The spray head 7 is communicated with an external disinfection liquid source through the conveying mechanism 3, the spray head 7 is used for cleaning and disinfecting the wound of a patient, in the specific use process, the rotating handle 28 is rotated, the rotating handle 28 drives the screw rod 27 to rotate, the screw rod 27 rotates to drive the linkage block 26 to move up and down, the linkage block 26 moves up and down to drive the blocking block 22 to move up and down, the blocking block 22 moves up and down to control the on-off of the through groove 24, thereby controlling the flowing speed of the disinfection liquid, leading the flowing speed of the liquid sprayed out by the spray head 7 to be adjusted, leading the patient to be capable of adjusting the flowing speed of the liquid in time by rotating the rotating handle according to the needs of the patient, reducing the pain of the patient to the maximum extent, and the wound of the patient can be completely cleaned by the sprayed cleaning liquid, and the cleaning effect of the flowing cleaning liquid is better.

Example 2

In embodiment 1, the conveying mechanism 3 is used for providing a disinfecting liquid, but in a hospital, if the device is fixed in one place, the use by a patient is inconvenient, so if the conveying mechanism 3 can provide the disinfecting liquid and can be moved conveniently, the use is convenient, so that the embodiment is provided, referring to fig. 1-2 and 5, as another preferred embodiment of the invention, on the basis of embodiment 1, a containing box 8 is fixedly installed in the shell 1, the containing box 8 is used for containing the disinfecting liquid, an adding hopper 9 is fixedly installed at the upper end of the containing box 8, the disinfecting liquid can be conveniently supplemented into the containing box 8 through the adding hopper 9, and the upper end of the containing box 8 is fixedly connected with the conveying mechanism 3;

the conveying mechanism 3 comprises a fixed box 31, a piston 32, a connecting pipe 33 and a one-way valve 34, the fixed box 31 is fixedly installed on the upper end face of the shell 1, the piston 32 is arranged in the fixed box 31 in a sliding mode, the piston 32 is fixedly connected with a transmission device, one end of the connecting pipe 33 is fixedly connected with the lower end of the fixed box 31, the other end of the connecting pipe is communicated with the containing box 8, the conveying mechanism further comprises the transmission device for driving the conveying mechanism 3 to move, the transmission device is mainly used for driving the piston 32 to move up and down, and the working principle of the piston 32 is the same as.

When the transmission device drives the piston 32 to move downwards, because the piston 32 is also a one-way valve, air below the piston 32 can be discharged upwards by the piston 32, then when the piston 32 moves upwards, because the air below the piston 32 becomes less, when the piston 32 continues to move upwards and downwards, the air below the piston 32 is emptied, and when the piston 32 moves upwards again, the one-way valve 34 is opened, the disinfection liquid enters the fixed box 31 from the connecting pipe 33, then when the piston 32 continues to move downwards, the disinfection liquid enters the position above the piston 32 through the piston 32, and then the disinfection liquid can enter the mounting box 21.

Example 3

Referring to fig. 1-3, as another preferred embodiment of the present invention, on the basis of embodiment 2, the transmission device includes a connecting mechanism 4 and a triggering mechanism 5, and the connecting mechanism 4 and the triggering mechanism 3 are fixedly connected and both fixedly installed inside the housing 1.

The connecting mechanism 4 comprises a supporting rod 41, a fixed plate 42, a movable plate 43, a connecting rod 44, a rotary table 45, a protrusion 46, a ring frame 47 and a rotating shaft 48, one end of the supporting rod 41 is fixedly connected with the piston 32, the other end of the supporting rod is fixedly connected with the upper end of the movable plate 43, the movable plate 43 is movably arranged on the surface of the fixed plate 42 up and down, the fixed plate 42 is fixedly arranged in the shell 1, the fixed plate 42 mainly supports the movable plate 43, the movable plate 43 can move up and down, one side of the movable plate 43 is fixedly connected with one end of the connecting rod 44, the other end of the connecting rod 44 is fixedly connected with the protrusion 46, the ring frame 47 is sleeved outside the protrusion 46, the protrusion 46 can slide in the ring frame 47, the protrusion 46 is fixedly arranged on the surface of the rotary table; the track of the rotation of the protrusion 46 along the rotation shaft 48 does not pass through the center of the rotating disc 45, so that the motion track of the protrusion 46 forms a circle with a radius smaller than that of the rotating disc 45.

Trigger mechanism 5 is including pressing the pole 51, rack 52, spring 53 and gear 54, press the pole 51 to run through from top to bottom and set up in casing 1 up end, press the pole 51 to extend to casing 1 inboard lower extreme and rack 52 upper end fixed phase even, rack 52 lower extreme and spring 53 upper end fixed phase even, spring 53 lower extreme and casing 1 bottom fixed phase even, gear 54 and pivot 48 fixed phase even, gear 54 meshes with rack 52 mutually, rack 52 can drive gear 54 when reciprocating, carousel 45 fixed mounting is on pivot 48, pivot 48 rotates and can drive carousel 45 and rotate.

Pressing pressure lever 51, pressure lever 51 downstream can drive rack 52 downstream, rack 52 can extrude spring 53, and rack 52 can drive gear 54 and rotate, gear 54 rotates and can drive pivot 48 and rotate, pivot 48 rotates and can drive carousel 45 and rotate, carousel 45 rotates thereby can drive protruding 46 and rotate, protruding 46 rotates and can drive ring frame 47 and reciprocate, can drive fly leaf 43 and reciprocate when ring frame 47 reciprocates, fly leaf 43 reciprocates and can drive branch 41 and reciprocate, thereby can drive piston 32 through branch 41 and reciprocate, when loosening pressure lever 51, spring 53 can upwards support rack 52, make rack 52 get back to the highest position again, can drive piston 32 through this transmission and reciprocate, and realize the transmission through pressing pressure lever 51, and is easy to operate, and convenient to use.

Example 4

Referring to fig. 1-3, as another preferred embodiment of the present invention, on the basis of embodiment 1 or embodiment 2 or embodiment 3, a containing mechanism 6 is further fixedly installed inside the housing 1, the containing mechanism 6 includes a containing box 61, a through pipe 62 and a wash basin 63, the containing box 61 is fixedly installed inside the housing 1, the containing box 63 is used for containing the liquid solution after washing, the wash basin 63 is fixedly installed on the upper end surface of the housing 1 and is located below the spray head 7, the wash basin 63 is communicated with the wash basin 63 through the through pipe 62, the wash basin 63 is arranged below the spray head 7, when the wound of a patient is washed, a container is needed to contain the washed liquid, therefore, the washed liquid is collected through the hand washing basin 63, the collected liquid enters the containing box 63 through the through pipe 62, and then the liquid in the containing box 63 is discharged and cleaned uniformly.

The working principle is as follows: pressing the pressing rod 51, the downward movement of the pressing rod 51 will drive the rack 52 to move downward, the rack 52 will extrude the spring 53, and the rack 52 will drive the gear 54 to rotate, the rotation of the gear 54 will drive the rotating shaft 48 to rotate, the rotation of the rotating shaft 48 will drive the rotating disc 45 to rotate, the rotation of the rotating disc 45 will drive the protrusion 46 to rotate, the rotation of the protrusion 46 will drive the ring frame 47 to move upward, the upward movement of the ring frame 47 will drive the movable plate 43 to move upward, the upward movement of the movable plate 43 will drive the supporting rod 41 to move upward, so that the piston 32 can be driven by the supporting rod 41 to move upward, the one-way valve 34 is opened, the sterilizing liquid enters the fixed box 31 from the connecting pipe 33, then when the pressing rod 51 is released, under the elastic action of the spring 53, the rack 52 will move upward, the gear 52 will rotate reversely, the gear 52 will drive the rotating disc 45 to rotate reversely, the movable plate 43 moves downwards, the movable plate 43 drives the piston 32 to move downwards through the supporting rod 41, when the piston 32 moves downwards, more disinfection liquid can be conveyed into the fixed box 31 through the connecting pipe 33, and then the disinfection liquid is conveyed into the mounting box 21 by the piston 32 in the process of moving upwards and downwards; the rotating handle 28 is rotated, the rotating handle 28 can drive the screw rod 27 to rotate, the screw rod 27 rotates to drive the linkage block 26 to move up and down, the linkage block 26 moves up and down to drive the blocking block 22 to move up and down, the blocking block 22 can control the on-off of the through groove 24 to move up and down, and the circulation speed of the disinfection liquid is controlled, so that the flow speed of the liquid sprayed out by the spray head 7 can be adjusted, a user can adjust the liquid through rotating the rotating handle 28 according to own needs, when a wound of a patient is washed, the washed liquid is collected through the hand basin 63, the collected liquid can enter the containing box 63 through the through pipe 62, and then the liquid in the containing box 63 is uniformly discharged and cleaned.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A wound treatment device for dermal surgery, comprising a housing (1), characterized by further comprising:

the conveying mechanism (3) is used for conveying liquid, and the conveying mechanism (3) is fixedly arranged on the upper end face of the shell (1);

the liquid flow limiting device comprises a flow limiting mechanism (2) playing a role in limiting the flow of liquid, wherein the flow limiting mechanism (2) is fixedly arranged on the upper end surface of the shell (1) through a conveying mechanism (3), and a spray head (7) is fixedly arranged at the upper end of the flow limiting mechanism (2).

2. The skin surgery wound treatment device according to claim 1, wherein the flow limiting mechanism (2) comprises a mounting box (21), a blocking block (22), a flow limiting hole (23), a linkage block (26), a screw rod (27) and a rotating handle (28), the lower end of the mounting box (21) is fixedly connected with the conveying mechanism (3), the upper end of the mounting box is fixedly connected with the spray head (7), the blocking block (22) is slidably arranged in the mounting box (21), the flow limiting hole (23) for flowing liquid is formed in the middle of the blocking block (22), a through groove (24) for flowing liquid is further formed in the side wall of the mounting box (21), a square mounting groove (25) is formed in one side of the inside of the blocking block (22), the linkage block (26) is arranged in the mounting groove (25) in a matching manner, and the linkage block (26) is sleeved outside the screw rod (27) in a threaded manner, the upper end of the screw rod (27) penetrates through the mounting box (21) and extends to the upper part of the mounting box and is fixedly connected with the rotating handle (28);

the blocking block (22) has two working states, wherein the blocking block (22) is located at the bottom or the top of the mounting box (21), the end part of the through groove (24) is in a blocked state, the blocking block (22) is located in the middle of the mounting box (21), and the two ends of the through groove (24) are in a communicated state.

3. A skin surgical wound treatment device according to claim 1, characterized in that the spray head (7) is in fixed communication with the mounting box (21) by means of a gooseneck.

4. A skin surgery wound treatment device according to claim 1, characterized in that a container (8) is fixedly arranged inside the housing (1), an adding hopper (9) is fixedly arranged at the upper end of the container (8), and the upper end of the container (8) is fixedly connected with the conveying mechanism (3);

the device also comprises a transmission device for driving the conveying mechanism (3) to move.

5. A skin surgical wound treatment device according to claim 1, wherein the delivery mechanism (3) comprises a fixed box (31), a piston (32), a connecting pipe (33) and a one-way valve (34), the fixed box (31) is fixedly arranged on the upper end face of the shell (1), the piston (32) is slidably arranged in the fixed box (31), the piston (32) is fixedly connected with the transmission device, one end of the connecting pipe (33) is fixedly connected with the lower end of the fixed box (31), and the other end of the connecting pipe is communicated with the containing box (8).

6. A skin surgical wound treatment device according to claim 1, characterized in that the transmission device comprises a connecting mechanism (4) and a trigger mechanism (5), the connecting mechanism (4) and the trigger mechanism (3) are fixedly connected and both fixedly mounted inside the housing (1).

7. The skin surgery wound treatment device according to claim 1, wherein the connecting mechanism (4) comprises a supporting rod (41), a fixed plate (42), a movable plate (43), a connecting rod (44), a rotating disc (45), a protrusion (46), a ring frame (47) and a rotating shaft (48), one end of the supporting rod (41) is fixedly connected with the piston (32), the other end of the supporting rod is fixedly connected with the upper end of the movable plate (43), the movable plate (43) is movably arranged on the surface of the fixed plate (42) up and down, the fixed plate (42) is fixedly arranged in the shell (1), one side of the movable plate (43) is fixedly connected with one end of the connecting rod (44), the other end of the connecting rod (44) is fixedly connected with the protrusion (46), the ring frame (47) is sleeved outside the protrusion (46), and the protrusion (46) is fixedly arranged on the surface of the rotating disc (45), the rotary disc (45) is fixedly connected with the rotating shaft (48), and the rotating shaft (48) is rotatably arranged on the surface of one side wall of the shell (1);

the track of the protrusion (46) rotating along the rotating shaft (48) does not pass through the center of the circle of the rotating disc (45).

8. The skin surgery wound treatment device according to claim 1, wherein the trigger mechanism (5) comprises a pressing rod (51), a rack (52), a spring (53) and a gear (54), the pressing rod (51) is movably arranged on the upper end face of the housing (1) in a vertical penetrating manner, the lower end of the pressing rod (51) extending to the inner side of the housing (1) is fixedly connected with the upper end of the rack (52), the lower end of the rack (52) is fixedly connected with the upper end of the spring (53), the lower end of the spring (53) is fixedly connected with the bottom of the housing (1), the gear (54) is fixedly connected with the rotating shaft (48), the gear (54) is meshed with the rack (52), and the rotating disc (45) is fixedly mounted on the rotating shaft (48).

9. A skin surgery wound treatment device as defined in claim 1, wherein a holding mechanism (6) is further fixedly mounted inside the housing (1), the holding mechanism (6) comprises a holding box (61), a through pipe (62) and a wash basin (63), the holding box (61) is fixedly mounted inside the housing (1), the wash basin (63) is fixedly mounted on the upper end surface of the housing (1) and located below the spray head (7), and the wash basin (63) is communicated with the wash basin (63) through the through pipe (62).