CN114917030A

CN114917030A - Medical glove with antibacterial function and using method thereof

Info

Publication number: CN114917030A
Application number: CN202210629781.5A
Authority: CN
Inventors: 黄燕洪
Original assignee: Taishan Weibang Medical Equipment Co Ltd
Current assignee: Taishan Weibang Medical Equipment Co Ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-08-19

Abstract

The invention relates to the technical field of medical supplies and discloses a medical glove with an antibacterial function and a using method thereof. The medical glove is provided with the detection mechanism, the connection box, the cavity rubber and the outer layer glove, so that the medical glove can be detected conveniently, the cavity rubber can be compressed after the detection mechanism is started by pulling the detection mechanism, air in the cavity rubber enters the outer layer glove and the inner layer glove after the cavity rubber is compressed, whether the air leaks from the medical glove can be judged by observing whether the air flows out from the outer layer glove and the inner layer glove, and the safety and the antibacterial property of the medical glove during use are improved.

Description

Medical glove with antibacterial function and using method thereof

Technical Field

The invention relates to the technical field of medical supplies, in particular to a medical glove with an antibacterial function and a using method thereof.

Background

Medical gloves are disposable gloves used in medical examinations to help prevent cross-contamination between a caregiver and a patient, are made of different polymers, and are mainly of two types: the examination gloves and the operation gloves have the advantages that the size of the operation gloves is more accurate, the precision and the sensitivity are higher, the sterile treatment is required, the examination gloves are lower along with requirements, but a certain antibacterial property is also ensured, and the harm of infectious viruses in patients to examination personnel is prevented.

Medical personnel need contact the patient when checking to carry out medical operation, consequently must protect, medical personnel can effectively completely cut off the germ through wearing antibiotic protection gloves, nevertheless medical gloves are with the in-process of operation, the damaged condition of gloves can appear, when only appearing less leak moreover, the person of wearing often can not discover, consequently medical personnel's the condition of contracting a disease and not knowing by oneself can appear, can bring the potential safety hazard.

Present medical gloves do not have the way to inspect whether self appears damaged, consequently can't in time protect medical personnel, and present medical gloves mainly through having better leakproofness, carry out antibiotic treatment through rubber gloves before dispatching from the factory, and antibiotic effect is relatively poor.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a medical glove with an antibacterial function and a using method thereof, and the invention aims to solve the technical problems that: the medical gloves can not detect the damage condition and have poor antibacterial property.

A medical glove with an antibacterial function and a using method thereof comprise an outer glove and further comprise:

inner layer gloves: the glove is arranged inside the outer layer glove and is fixedly connected with the outer layer glove;

connecting rubber: the glove is arranged inside the outer layer glove and is fixedly connected with the outer layer glove;

a connection box: the glove is arranged at the top end of the outer layer glove and is fixedly connected with the outer layer glove;

cavity rubber: the connecting box is arranged in the connecting box and is movably connected with the connecting box;

the detection mechanism comprises: and the connecting box is arranged at the top end of the connecting box and is fixedly connected with the connecting box.

Further, the middle parts of the two sides of the top end of the cavity rubber are fixedly connected with supporting legs, the inner parts of the top ends of the supporting legs are fixedly connected with upper supporting plates, the middle parts of the side surfaces of the supporting legs are fixedly connected with lower supporting plates, the inner parts of the upper supporting plates and the lower supporting plates are movably connected with ejector rods, the bottom ends of the ejector rods are fixedly connected with ejector disks, the bottom ends of the ejector disks are fixedly connected with the top ends of the cavity rubber, the side surfaces of the lower supporting plates are fixedly connected with connecting blocks, the two sides of each connecting block are fixedly connected with limiting shafts, the side surfaces of the limiting shafts are movably connected with first connecting plates, the top ends of the side surfaces of the first connecting plates are fixedly connected with lower fixing shafts, the two sides of the lower fixing shafts are movably connected with second connecting plates, the inner sides of the top ends of the second connecting plates are fixedly connected with upper fixing shafts, and the two sides of the upper fixing shafts are fixedly connected with moving plates, the bottom of the movable plate is movably connected with the upper supporting plate, the side face of the upper fixing shaft is movably connected with the rotating sleeve, the bottom end of the ejector rod is fixedly connected with a conical block, the bottom end of the conical block is fixedly connected with the ejection disc, the ejector rod is connected with the cavity rubber through the conical block, therefore, downward force is more average, and force applied to each part when the cavity rubber is compressed is more average.

Further, the inboard middle part fixedly connected with connecting axle of first connecting plate, the both ends swing joint of connecting axle side has the arc, the top fixedly connected with back shaft of arc, the inboard swing joint of back shaft has the fixed plate, the top of fixed plate and the middle part fixed connection of last backup pad bottom, the arc is established to the arc, sets up to the arc through the arc to when making the arc drive the fixed plate and remove, required space is littleer, makes parts such as rotating sleeve, second connecting plate, first connecting plate still can be located the inside of connecting box after removing, more save space.

Further, spacing hole has been seted up on the top of ejector pin, the bottom swing joint in the spacing hole of ejector pin has the limiting plate, the top fixedly connected with carriage release lever of first connecting plate, the top fixedly connected with stopper of carriage release lever, the side swing joint of carriage release lever has reset spring, reset spring's bottom and the top fixed connection of limiting plate, the top diameter ratio carriage release lever in the spacing hole of ejector pin is similar, the diameter one millimeter that the diameter ratio carriage release lever of limiting plate is big prevents that the carriage release lever from the inside of ejector pin after removing to guarantee that equipment moves smoothly.

Further, the inside fixedly connected with connecting rubber of outer gloves and inlayer gloves, the top and the bottom of connecting rubber are connected with the inside of outer gloves and inlayer gloves respectively, connecting rubber distributes in the upper and lower both sides of the third knuckle of outer gloves and inlayer gloves to evenly distributed is in the palm of outer gloves and inlayer gloves department, connecting rubber is located the third knuckle department of outer gloves and inlayer gloves, thereby makes it can not cause the influence to the normal work of finger, makes things convenient for medical personnel to carry out normal work, the connecting rubber of outer gloves and inlayer gloves intermediate position can prevent that outer gloves of during operation and inlayer gloves looks mutual friction and damage, improves the life of gloves.

Further, be equipped with antibacterial liquid between outer gloves and the inlayer gloves, antibacterial liquid's constitution is: mustard extract 3 parts, chitin 2 parts, distilled water 40 parts, bacteriostasis liquid evenly distributed is between outer gloves and inlayer gloves, and the volume of bacteriostasis liquid is 3-5 milliliters in every medical gloves, mustard extract and chitin are natural bacteriostasis liquid, therefore it can not cause the adverse reaction to medical personnel and patient when using, the quantity of bacteriostasis liquid limits, because the lubrication of bacteriostasis liquid receives the influence when can preventing outer gloves and inlayer gloves from using.

Furthermore, the raw material composition of the outer glove is LLDPE parts, the surface of the outer glove is provided with a bacteriostatic coating consisting of water-soluble polyurethane resin, zinc formate and sodium sulfate, and the LLDPE has higher softening temperature and melting temperature, has the advantages of high strength, good toughness, high rigidity, good heat resistance and cold resistance, and the like, and also has good environmental stress crack resistance, impact strength, tear strength and other properties, so that the LLDPE is suitable for being used as the raw material of medical gloves.

The invention has the technical effects and advantages that:

1. the medical glove is provided with the detection mechanism, the connection box, the cavity rubber and the outer layer glove, so that the medical glove can be detected conveniently, the cavity rubber can be compressed after the detection mechanism is started by pulling the detection mechanism, air in the cavity rubber enters the outer layer glove and the inner layer glove after the cavity rubber is compressed, and whether the air leaks from the medical glove can be judged by observing whether the air flows out from the outer layer glove and the inner layer glove, so that the safety of the medical glove during use is improved;

2. the medical glove is provided with the outer layer glove, the inner layer glove and the antibacterial liquid, so that the antibacterial property of the medical glove is improved, and the antibacterial liquid in the outer layer glove can appear when the outer layer glove is damaged by arranging the antibacterial liquid in the outer layer glove and the inner layer glove, and even when the inner layer glove is broken, the medical glove still has certain protection capability on medical workers due to the existence of the antibacterial liquid, so that the antibacterial property of the glove is integrally improved;

3. the medical gloves are provided with the outer layer gloves, the inner layer gloves and the connecting rubber, so that the medical gloves can be used smoothly, the outer layer gloves and the inner layer gloves can move mutually by connecting the outer layer gloves and the inner layer gloves through the connecting rubber, the situation that the outer layer gloves and the inner layer gloves are staggered mutually when the medical workers use the gloves is prevented, and the connecting rubber avoids the positions of the finger joints distributed between the outer layer gloves and the inner layer gloves, so that the use influence is avoided;

4. the push rod, the limiting plate, the limiting block and the moving rod are arranged, so that the space is facilitated, the limiting block is clamped at the top end of the upper supporting plate, the push rod independently moves downwards, the return spring is compressed, and the moving rod appears from the inside of the push rod, so that the length of the push rod can be adjusted to be too long, and the effect of downward pressing is achieved, and the space is further saved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a back view of the overall structure of the present invention.

Fig. 3 is an exploded view of the connection structure of the present invention.

FIG. 4 is a general schematic diagram of the detection structure of the present invention.

Fig. 5 is a schematic diagram of a detection switch according to the present invention.

Fig. 6 is a schematic cross-sectional view of the position limiting structure of the present invention.

The reference signs are: 1. an outer glove; 2. an inner layer glove; 3. connecting rubber; 4. a detection mechanism; 401. supporting legs; 402. an upper support plate; 403. a lower support plate; 404. a top rod; 405. ejecting the disc; 406. connecting blocks; 407. a limiting shaft; 408. a first connecting plate; 409. a lower fixed shaft; 410. a second connecting plate; 411. an upper fixed shaft; 412. moving the plate; 413. rotating the sleeve; 414. a fixing plate; 415. a support shaft; 416. an arc-shaped plate; 417. a connecting shaft; 418. a limiting plate; 419. a travel bar; 420. a limiting block; 421. a return spring; 5. a connection box; 6. and (3) cavity rubber.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and the forms of the respective structures described in the following embodiments are merely examples, and the medical glove having an antibacterial function and the method of using the same according to the present invention are not limited to the respective structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without creative efforts belong to the scope of the present invention.

Referring to fig. 1, 2 and 3, the invention provides a medical glove with an antibacterial function and a using method thereof, comprising an outer glove 1 and further comprising:

inner layer glove 2: is arranged inside the outer glove 1 and is fixedly connected with the outer glove 1;

connection rubber 3: is arranged inside the outer glove 1 and is fixedly connected with the outer glove 1;

the connection box 5: is arranged at the top end of the outer glove 1 and is fixedly connected with the outer glove 1;

cavity rubber 6: is arranged inside the connecting box 5 and is movably connected with the connecting box 5;

the detection mechanism 4: is arranged at the top end of the connecting box 5 and is fixedly connected with the connecting box 5.

Referring to fig. 4 and 5, a support leg 401 is fixedly connected to the middle of both sides of the top end of a cavity rubber 6, an upper support plate 402 is fixedly connected to the inside of the top end of the support leg 401, a lower support plate 403 is fixedly connected to the middle of the side surface of the support leg 401, a top rod 404 is movably connected to the inside of the upper support plate 402 and the lower support plate 403, a top disc 405 is fixedly connected to the bottom end of the top rod 404, a connecting block 406 is fixedly connected to the side surface of the lower support plate 403, a limit shaft 407 is fixedly connected to both sides of the connecting block 406, a first connecting plate 408 is movably connected to the side surface of the limit shaft 407, a lower fixing shaft 409 is fixedly connected to the top end of the side surface of the first connecting plate 408, a second connecting plate 410 is movably connected to both sides of the lower fixing shaft 409, an upper fixing shaft 411 is fixedly connected to the inside of the top end of the second connecting plate 410, and a movable plate 412 is fixedly connected to both sides of the upper fixing shaft 411, the bottom and the last backup pad 402 swing joint of movable plate 412, the side swing joint of going up fixed axle 411 has the rotating sleeve 413, through rotating sleeve 413, conveniently spur movable plate 412, after the sleeve 413 is rotated in the pulling, rotating sleeve 413 drives movable plate 412 and removes, movable plate 412 drives second connecting plate 410 and removes, second connecting plate 410 removes and drives first connecting plate 408 and removes, thereby make ejector pin 404 drive ejecting disc 405 downwards and remove, thereby compress cavity rubber 6, the gas in the cavity rubber 6 enters into between outer glove 1 and the inner layer glove 2, detect whether outer glove 1 is damaged, security and bacterinertness when improving gloves and using.

Referring to fig. 5, a connecting shaft 417 is fixedly connected to the middle of the inner side of the first connecting plate 408, arc plates 416 are movably connected to two ends of the side surface of the connecting shaft 417, a supporting shaft 415 is fixedly connected to the top end of the arc plates 416, a fixing plate 414 is movably connected to the inner side of the supporting shaft 415, the top end of the fixing plate 414 is fixedly connected to the middle of the bottom end of the upper supporting plate 402, the arc plates 416 are arc-shaped, when the rotating sleeve 413 moves downwards, the second connecting plate 410 drives the arc plates 416 to move through the first connecting plate 408, when the arc plates 416 move downwards, the fixing plate 414 drives the ejector rod 404 to move downwards, the ejector rod 404 drives the ejector disk 405 to move downwards to compress the ejector disk 405, and thus whether the medical glove is damaged is detected.

Referring to fig. 6, a limiting hole has been seted up on the top of ejector pin 404, the bottom swing joint in the limiting hole of ejector pin 404 has limiting plate 418, the top fixedly connected with carriage release lever 419 of first connecting plate 408, the top fixedly connected with stopper 420 of carriage release lever 419, the side swing joint of carriage release lever 419 has reset spring 421, the bottom of reset spring 421 and the top fixed connection of limiting plate 418, during the ejector pin 404 moves down, block the top at last backup pad 402 through stopper 420, ejector pin 404 moves down alone, reset spring 421 is compressed, carriage release lever 419 appears from ejector pin 404 is inside, thereby make ejector pin 404 length need not too long alright play the effect of pressing down, more save space.

Referring to fig. 1, outer gloves 1 and inlayer gloves 2's inside fixedly connected with connects rubber 3, the top and the bottom of connecting rubber 3 are connected with outer gloves 1 and inlayer gloves 2's inside respectively, connect the upper and lower both sides of rubber 3 distribution in outer gloves 1 and inlayer gloves 2's third knuckle, and evenly distributed is in outer gloves 1 and inlayer gloves 2's palm and palm department, through being connected rubber 3 between outer gloves 1 and inlayer gloves 2, thereby make outer gloves 1 and inlayer gloves 2 can remove mutually, prevent that medical personnel from appearing the condition of outer gloves 1 and inlayer gloves 2 dislocation each other when using, and connect rubber 3 and distribute the position of finger joint activity between outer gloves 1 and inlayer gloves 2, thereby can not cause the influence on the use.

Referring to fig. 1, a bacteriostatic liquid is arranged between the outer layer glove 1 and the inner layer glove 2, and the bacteriostatic liquid comprises the following components: mustard extract 3 parts, chitin 2 parts, distilled water 50 parts, it evenly distributes to suppress bacteria liquid between outer gloves 1 and inlayer gloves 2, and the volume of the interior bacteriostasis liquid of every medical gloves is 3-5 milliliters, through be equipped with between outer gloves 1 and inlayer gloves 2 and suppress bacteria liquid, when outer gloves 1 appear damaged, if fail in time to detect, when using inlayer gloves 2 damaged, its inside bacteriostasis liquid outflow can play appropriate antibacterial effect, can play the effect of protection to medical personnel self, improve medical gloves's antibacterial effect.

Referring to fig. 1, the raw material composition of outer glove 1 is LLDPE, and the surface of outer glove 1 is equipped with the antibacterial coating that water-soluble polyurethane resin, zinc formate and sodium sulfate are constituteed, is equipped with the antibacterial coating through the surface at outer glove 1 to make this medical glove just have certain antibacterial effect when using, the antibacterial glove can kill some bacterium, can prevent the infection of bacterium.

A using method of medical gloves with antibacterial function comprises the following steps:

s1, sleeving the outer glove 1 and the inner glove 2 on a hand, and ensuring that the connecting rubber 3 is positioned in the middle of the third knuckle in the finger or in the palm and the back of the hand to move, so as to ensure that the outer glove 1 and the inner glove 2 do not influence the movement of the finger;

s2, checking after a period of use, pulling the rotating sleeve 413 to drive the moving plate 412 to move through the upper fixed shaft 411, the moving plate 412 moves to drive the second connecting plate 410 to move downwards, the second connecting plate 410 moves downwards to drive the first connecting plate 408 to move downwards, the first connecting plate 408 moves downwards to drive the arc-shaped plate 416 to move downwards through the connecting shaft 417, the arc-shaped plate 416 moves downwards to drive the fixed plate 414 to move downwards, so that the fixing plate 414 drives the push rod 404 to move downwards, the push rod 404 drives the push disk 405 to move downwards, the push disk 405 moves downwards to compress the cavity rubber 6, after the cavity rubber 6 is compressed, the air in the cavity rubber 6 enters between the outer glove 1 and the inner glove 2, whether air leakage occurs in the outer glove 1 and the inner glove 2 is checked, and whether the outer glove 1 is damaged or not is judged;

s3, when the push rod 404 moves downwards, the limiting block 420 is clamped at the top end of the upper supporting plate 402, at the moment, the push rod 404 continues to move downwards, the limiting block 420 drives the moving rod 419 to be kept at the top end of the upper supporting plate 402, the top end of the push rod 404 moves downwards to compress the return spring 421, after detection, the return spring 421 resets, at the moment, the limiting plate 418 is made to be in contact with the bottom end inside the limiting groove of the push rod 404, and resetting is completed.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. A medical glove with an antibacterial function comprises an outer glove (1), and is characterized by further comprising:

inner glove (2): the glove is arranged inside the outer layer glove (1) and is fixedly connected with the outer layer glove (1);

connection rubber (3): the glove is arranged inside the outer layer glove (1) and is fixedly connected with the outer layer glove (1);

connection box (5): the glove is arranged at the top end of the outer layer glove (1) and is fixedly connected with the outer layer glove (1);

cavity rubber (6): the connecting box is arranged in the connecting box (5) and is movably connected with the connecting box (5);

detection mechanism (4): is arranged at the top end of the connecting box (5) and is fixedly connected with the connecting box (5).

2. The medical glove with antibacterial function according to claim 1, characterized in that: the middle parts of two sides of the top end of the cavity rubber (6) are fixedly connected with supporting legs (401), the inside of the top end of each supporting leg (401) is fixedly connected with an upper supporting plate (402), the middle part of the side surface of each supporting leg (401) is fixedly connected with a lower supporting plate (403), the inside of each upper supporting plate (402) and each lower supporting plate (403) is movably connected with an ejector rod (404), the bottom end of each ejector rod (404) is fixedly connected with an ejector disc (405), the bottom end of each ejector disc (405) is fixedly connected with the top end of the cavity rubber (6), the side surface of each lower supporting plate (403) is fixedly connected with a connecting block (406), two sides of each connecting block (406) are fixedly connected with a limiting shaft (407), the side surface of each limiting shaft (407) is movably connected with a first connecting plate (408), and the top end of the side surface of each first connecting plate (408) is fixedly connected with a lower fixing shaft (409), the both sides swing joint of lower fixed axle (409) has second connecting plate (410), inboard fixedly connected with on second connecting plate (410) top goes up fixed axle (411), the both sides fixedly connected with movable plate (412) of going up fixed axle (411), the bottom and last backup pad (402) swing joint of movable plate (412), the side swing joint of going up fixed axle (411) has rotating sleeve (413).

3. The medical glove with antibacterial function according to claim 2, characterized in that: the middle part of first connecting plate (408) inboard fixedly connected with connecting axle (417), the both ends swing joint of connecting axle (417) side has arc (416), the top fixedly connected with back shaft (415) of arc (416), the inboard swing joint of back shaft (415) has fixed plate (414), the top of fixed plate (414) and the middle part fixed connection of last backup pad (402) bottom, arc (416) are established to the arc.

4. The medical glove with antibacterial function according to claim 2, characterized in that: spacing hole has been seted up on the top of ejector pin (404), the bottom swing joint in the spacing hole of ejector pin (404) has limiting plate (418), top fixedly connected with carriage release lever (419) of first connecting plate (408), the top fixedly connected with stopper (420) of carriage release lever (419), the side swing joint of carriage release lever (419) has reset spring (421), the bottom of reset spring (421) and the top fixed connection of limiting plate (418).

5. The medical glove with antibacterial function according to claim 1, characterized in that: the utility model discloses a glove, including outer gloves (1) and inlayer gloves (2), the inside fixedly connected with of outer gloves (1) and inlayer gloves (2) is connected rubber (3), the top and the bottom of connecting rubber (3) are connected with the inside of outer gloves (1) and inlayer gloves (2) respectively, it distributes in the upper and lower both sides of the third knuckle of outer gloves (1) and inlayer gloves (2) to connect rubber (3) to evenly distributed is in the palm and palm department of the palm of outer gloves (1) and inlayer gloves (2).

6. The medical glove with antibacterial function according to claim 1, characterized in that: be equipped with antibacterial liquid between outer gloves (1) and inlayer gloves (2), antibacterial liquid's constitution is: 3 parts of mustard extract, 2 parts of chitin and 50 parts of distilled water, wherein the antibacterial liquid is uniformly distributed between the outer layer glove (1) and the inner layer glove (2), and the amount of the antibacterial liquid in each medical glove is 3-5 ml.

7. The medical glove with antibacterial function according to claim 1, characterized in that: the raw material composition of the outer glove (1) is LLDPE, and the surface of the outer glove (1) is provided with an antibacterial coating layer consisting of water-soluble polyurethane resin, zinc formate and sodium sulfate.

8. The use method of medical gloves with antibacterial function according to claim 1, characterized by comprising the following steps:

s1, sleeving the outer layer glove (1) and the inner layer glove (2) on a hand, ensuring that the connecting rubber (3) is positioned in the middle of a third knuckle in a finger or at the position of a palm and the back of the hand to move, and ensuring that the outer layer glove (1) and the inner layer glove (2) cannot influence the movement of the finger;

s2, after the glove is used for a period of time, checking is carried out, a rotating sleeve (413) is pulled, the rotating sleeve (413) is pulled to drive a moving plate (412) to move through an upper fixed shaft (411), the moving plate (412) moves to drive a second connecting plate (410) to move downwards, the second connecting plate (410) moves downwards to drive a first connecting plate (408) to move downwards, the first connecting plate (408) moves downwards to drive an arc-shaped plate (416) to move downwards through a connecting shaft (417), the arc-shaped plate (416) moves downwards to drive a fixed plate (414) to move downwards, so that the fixed plate (414) drives an ejector rod (404) to move downwards, the ejector rod (404) drives an ejection disc (405) to move downwards, the ejection disc (405) moves downwards to compress cavity rubber (6), after the cavity rubber (6) is compressed, gas in the cavity rubber (6) enters between an outer layer glove (1) and an inner layer glove (2), checking whether the air leakage condition occurs in the outer layer glove (1) and the inner layer glove (2) or not, and judging whether the outer layer glove (1) is damaged or not;

s3, when the ejector pin (404) moves downwards, the limiting block (420) is clamped at the top end of the upper supporting plate (402), the ejector pin (404) continues to move downwards at the moment, the limiting block (420) drives the moving rod (419) to be kept at the top end of the upper supporting plate (402), the top end of the ejector pin (404) moves downwards to compress the reset spring (421), after detection, the reset spring (421) resets, the limiting plate (418) is in contact with the bottom end of the limiting groove of the ejector pin (404) at the moment, and resetting is completed.