阅读说明：本技术 一种便于收纳整理的注射针安全防护罩 (Injection needle safety protection cover convenient to accomodate arrangement ) 是由 余刚 卢金云 刘学霞 于 2021-06-17 设计创作，主要内容包括：本发明公开了一种便于收纳整理的注射针安全防护罩,属于医疗辅助器械技术领域,包括防护罩和收纳座,所述收纳座开设有多个收纳卡槽,所述防护罩设有多个,且多个防护罩分别卡接固定在多个收纳卡槽内,所述防护罩的上端设置有针管放置槽,且防护罩的一端固定连接有针座卡块和分离卡块,所述针座卡块和分离卡块之间设置有端部卡槽,所述针座卡块与针座的锥头相匹配,所述分离卡块与注射针筒的头部相匹配,方便针头固定的同时有效降低了的针头刺伤医护人员内的风险,并且防护罩适用于不同规格的针头的固定,适用性广,固定了不同针头的防护罩能够通过收纳座进行固定,从而达到将注射针进行收纳整理的作用。(The invention discloses a needle safety protective cover convenient for storage and arrangement, belonging to the technical field of medical auxiliary instruments, comprising a protective cover and a storage seat, wherein the storage seat is provided with a plurality of storage clamping grooves, the protective cover is provided with a plurality of protective covers which are respectively clamped and fixed in the plurality of storage clamping grooves, the upper end of the protective cover is provided with a needle tube placing groove, one end of the protective cover is fixedly connected with a needle seat clamping block and a separation clamping block, an end clamping groove is arranged between the needle seat clamping block and the separation clamping block, the needle seat clamping block is matched with the conical head of the needle seat, the separation clamping block is matched with the head of an injection needle cylinder, the needle head is convenient to fix, the risk of stabbing the needle head into medical care personnel is effectively reduced, the protective cover is suitable for fixing the needle heads with different specifications, the applicability is wide, and the protective cover fixing different needle heads can be fixed through the storage seat, thereby achieving the function of containing and arranging the injection needle.)

1. The utility model provides an entry needle safety protection casing convenient to accomodate arrangement, includes protection casing (1) and storage seat (2), its characterized in that: accomodate seat (2) and seted up a plurality of draw-in grooves of accomodating (11), protection casing (1) is equipped with a plurality ofly, and a plurality of protection casings (1) joint respectively fix and accomodate in a plurality of draw-in grooves (11), the upper end of protection casing (1) is provided with needle tubing standing groove (4), and the one end fixedly connected with needle file fixture block (5) and separation fixture block (6) of protection casing (1), be provided with tip draw-in groove (7) between needle file fixture block (5) and separation fixture block (6), needle file fixture block (5) and the conical head phase-match of needle file, separation fixture block (6) and syringe's head phase-match, the biggest department phase-match of outside diameter of tip draw-in groove (7) and needle file, sliding connection has needle point fixed block (9) in needle tubing standing groove (4), and needle point fixed block (9) correspond the most advanced setting of needle tubing.

2. A needle safety shield for facilitating storage and organization according to claim 1, wherein: the needle file fixing device is characterized in that two side wall centers of the needle tube placing groove (4) are fixedly connected with sliding rails (8), one ends of the sliding rails (8) far away from the needle seat clamping block (5) are arranged, sliding grooves (23) are formed in two sides of the needle point fixing block (9), the sliding grooves (23) are connected to the sliding rails (8) on one corresponding side in a sliding mode, the sliding rails (8) are close to one end fixedly connected with limiting blocks (29) at the center of the needle tube placing groove (4), and the width of the limiting blocks (29) is twice the width of the sliding rails (8).

3. A needle safety shield for facilitating storage and organization according to claim 1, wherein: the needle point fixing structure is characterized in that a needle point fixing hole (24) is formed in the needle point fixing block (9), the needle point fixing hole (24) penetrates through the needle point fixing block (9), a rubber fixing film (25) is fixedly connected to the front end of the needle point fixing hole (24), and a sponge absorbing block (26) is fixedly connected to the inner cavity of the needle point fixing hole (24).

4. A needle safety shield for facilitating storage and organization according to claim 1, wherein: protection casing (1) is kept away from the equal fixedly connected with elasticity in one end both sides of needle file fixture block (5) and is detained (10), and both sides elasticity is detained (10) mirror symmetry and is set up, and both sides elasticity is detained (10) terminal equal fixedly connected with wedge (28), every the equal fixedly connected with connection socket (12) of one end that corresponds elasticity knot (10) on storage slot (11), fixed catching groove (14) have all been seted up to the both sides of connection socket (12), and correspond terminal wedge (28) joint of position protection casing (1) and fix in fixed catching groove (14).

5. A needle safety shield for facilitating storage and organization according to claim 4, wherein: the position that the dorsal part of accomodating seat (2) corresponds every connecting socket (12) has all seted up unblock jack (15), unblock jack (15) and corresponding fixed catching groove (14) intercommunication in position connecting socket (12), arrangement seat (3) have been cup jointed on accomodating seat (2), arrangement groove (16) have been seted up on arrangement seat (3), and the position fixedly connected with unblock picture peg (17) of unblock jack (15) is corresponding to the inner end of arrangement groove (16), unblock picture peg (17) and unblock jack (15) phase-match.

6. A needle safety shield for facilitating storage and organization according to claim 4, wherein: one side fixedly connected with dog (19) of connecting socket (12) is kept away from to accomodate seat (2) upper end, and the position that corresponds protection casing (1) of dog (19) has seted up syringe needle passageway (20), be provided with between the tip of dog (19) and accomodating draw-in groove (11) and reserve mouthful (18).

7. A needle safety shield for facilitating storage and organization according to claim 4, wherein: the two sides of the front end of the connecting socket (12) are cut with guide slope surfaces (13), and the width of the tail end of the connecting socket (12) is smaller than the distance between the elastic buckles (10).

8. A needle safety shield for facilitating storage and organization according to claim 4, wherein: elasticity reserved space (22) have all been seted up to the both sides of protection casing (1) corresponding elasticity knot (10) department, the width in elasticity reserved space (22) is bigger by one millimeter than the width that elasticity was detained (10).

9. A needle safety shield for facilitating storage and organization according to claim 1, wherein: the upper end of the needle point fixing block (9) is fixedly connected with a pushing block (27), and the upper end of the pushing block (27) is provided with a friction groove.

10. A needle safety shield for facilitating storage and organization according to claim 4, wherein: a movable gap (21) is reserved between the distance between the connecting socket (12) and the bottom of the accommodating clamping groove (11), and the width of the movable gap (21) is larger than the thickness of the bottom of the protective cover (1).

Technical Field

The invention relates to the technical field of medical auxiliary instruments, in particular to a safety protection cover for an injection needle, which is convenient to store and arrange.

Background

Syringes are a common medical device. As early as the fifteen th century, catini, italian, proposed the principle of the syringe. Gas or liquid is primarily drawn or injected with a needle. The packaging of the prior needle for the disposable syringe is that the needle tip is inserted into the needle cap to protect the needle through the needle cap.

However, in the practical operation of the injection operation of the medical care personnel, the sheath is firstly taken down from the nursing station to extract the medicament, and then the medicament is sent to the ward for the injection of the patient, in the process, in order to avoid the risk that the sheath is punctured by the needle, or the safety sheath is used for one time and limits the operation requirement that the sheath can not be punctured, the sheath is additionally arranged aside and not used, so that the needle is exposed, and thus, the probability that the needle punctures the person or the needle is polluted by the outside is relatively improved. And use the protecting cover to recap or use disposable safety protecting cover after the injection is finished to prevent other personnel from being stabbed, not only troublesome and operate because the hand constantly contacts around the syringe needle, so have certain risk, and the syringe needle cap of disposable syringe needle among the prior art is because the syringe needle specification is not general, also can't make up fixedly between the needle shield, lead to the syringe needle intelligence of using to stack at will, inconvenient follow-up carries out classification to the syringe needle after using.

Disclosure of Invention

The invention aims to provide the injection needle safety protection cover convenient to store and arrange, the used needle head can be fixed in a mode of directly clamping the needle head into the protection cover, the needle head is convenient to fix, meanwhile, the risk that the needle head stabs medical staff is effectively reduced, the protection cover is suitable for fixing the needle heads of different specifications, the applicability is wide, the protection cover provided with the needle head can be stored and arranged by the aid of the storage box, and subsequent classification treatment is facilitated.

In order to solve the problems, the invention adopts the following technical scheme:

the utility model provides a syringe needle safety protection casing convenient to accomodate arrangement, includes the protection casing and accomodates the seat, accomodate the seat and seted up a plurality of draw-in grooves of accomodating, the protection casing is equipped with a plurality ofly, and a plurality of protection casings joint respectively fixes in a plurality of draw-in grooves of accomodating, the upper end of protection casing is provided with the needle tubing standing groove, and the one end fixedly connected with needle file fixture block and the separation fixture block of protection casing, be provided with the tip draw-in groove between needle file fixture block and the separation fixture block, the conical head phase-match of needle file fixture block and needle file, the head phase-match of separation fixture block and syringe, the biggest department phase-match of external diameter of tip draw-in groove and needle file, sliding connection has the needle point fixed block in the needle tubing standing groove, and the needle point fixed block corresponds the most advanced setting of needle tubing.

As a preferred scheme of the invention, sliding rails are fixedly connected to the centers of two side walls of the needle tube placing groove, one end of each sliding rail, which is far away from the needle base fixture block, is provided, sliding grooves are formed in two sides of the needle tip fixing block, the sliding grooves are slidably connected to the sliding rails on the corresponding side, one end, which is close to the center of the needle tube placing groove, of each sliding rail is fixedly connected with a limiting block, and the width of each limiting block is twice that of each sliding rail.

According to a preferable scheme of the invention, the needle point fixing block is provided with a needle point fixing hole, the needle point fixing hole penetrates through the needle point fixing block, the front end of the needle point fixing hole is fixedly connected with a rubber fixing film, and the inner cavity of the needle point fixing hole is fixedly connected with a sponge absorbing block.

As a preferred scheme of the invention, two sides of one end of the protective cover, which is far away from the needle base clamping block, are fixedly connected with elastic buckles, the elastic buckles on the two sides are arranged in a mirror symmetry manner, the ends of the opposite ends of the elastic buckles on the two sides are fixedly connected with wedge blocks, one end of each accommodating clamping groove, which corresponds to the elastic buckle, is fixedly connected with a connecting socket, two sides of the connecting socket are respectively provided with a fixed buckling groove, and the wedge blocks at the ends of the protective covers at the corresponding positions are clamped and fixed in the fixed buckling grooves.

As a preferred scheme of the invention, the back side of the storage seat is provided with an unlocking jack corresponding to each connecting socket, the unlocking jack is communicated with a fixed buckle groove in the connecting socket at the corresponding position, the storage seat is sleeved with an arranging seat, the arranging seat is provided with an arranging groove, the inner end of the arranging groove is fixedly connected with an unlocking plug board corresponding to the unlocking jack, and the unlocking plug board is matched with the unlocking jack.

As a preferable scheme of the invention, a stop block is fixedly connected to one side of the upper end of the containing seat far away from the connecting socket, a needle channel is arranged at a position of the stop block corresponding to the protective cover, and a reserved opening is arranged between the stop block and the end part of the containing clamping groove.

As a preferable scheme of the present invention, guide slopes are cut on both sides of the front end of the connection socket, and the width of the tail end of the connection socket is smaller than the distance between the elastic buckles.

As a preferable scheme of the invention, elastic reserved spaces are respectively arranged at the positions, corresponding to the elastic buckles, of the two sides of the protective cover, and the width of each elastic reserved space is one millimeter larger than that of each elastic buckle.

As a preferable scheme of the invention, the upper end of the needle point fixing block is fixedly connected with a push block, and the upper end of the push block is provided with a friction groove.

As a preferable scheme of the invention, a movable gap is left between the connecting socket and the bottom of the accommodating slot, and the width of the movable gap is greater than the thickness of the bottom of the protective cover.

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

(1) this scheme is through setting up the protection casing, needle file fixture block and separation fixture block cooperation through on the protection casing are fixed with the needle file, because the needle file structure and the size of current disposable syringe needle all need accord with national standard, the needle file of the syringe needle of different specifications all can be fixed through the joint of needle file fixture block and separation fixture block, fix the syringe needle in the needle tubing standing groove, needle point fixed block through sliding connection in the needle tubing standing groove can cup joint the pointed end of syringe needle fixedly, accomplish the fixed to the syringe needle, the syringe needle that has effectively reduced when making things convenient for the syringe needle fixed stabs the risk in the medical personnel, and the protection casing is applicable to the fixed of the syringe needle of different specifications, and wide applicability, the protection casing of having fixed different syringe needles can be fixed through the storage seat, thereby reach and accomodate the effect of putting in order with the syringe needle.

(2) This scheme is through setting up elasticity knot and connection socket, deformation through elasticity knot makes connection socket insert the protection casing when terminal, can go into the wedge card fixed catching groove in, thereby make things convenient for the fixed of protection casing on the storage seat, through setting up unblock jack and unblock picture peg, make the protection casing on the storage seat when needs classification, directly insert the storage seat in the arrangement inslot, make in the unblock picture peg inserts the unblock jack that corresponds, push away the wedge in the fixed catching groove, accomplish the separation of protection casing terminal and storage seat, the storage seat that conveniently will be equipped with the syringe needle pulls down, convenient subsequent classification.

(3) This scheme is through setting up rubber fixed film and sponge absorption piece, promote the needle point fixed block and make the needle tubing of syringe needle insert the sponge absorption piece after running through rubber fixed film in, elastic deformation through rubber fixed film, can be fixed with different specification and dimension's needle tubing tip, and the remaining liquid medicine that the needle tubing tip flows out can be through the absorption of sponge absorption piece, avoid liquid medicine to flow out, lead to polluting other medical instrument, the security of syringe needle after abandonment has been improved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the shield of the present invention;

FIG. 3 is a side cross-sectional view of the shield of the present invention;

FIG. 4 is an exploded perspective view of the rear view of the shield of the present invention;

FIG. 5 is a perspective view of the receptacle of the present invention;

FIG. 6 is a front cross-sectional view of the receptacle of the present invention;

FIG. 7 is a top cross-sectional view of the receptacle of the present invention;

fig. 8 is a perspective view of the organizer of the present invention.

The reference numbers in the figures illustrate:

1. a protective cover; 2. a storage seat; 3. arranging a seat; 4. a needle tube placing groove; 5. a needle stand clamping block; 6. separating the clamping block; 7. an end portion clamping groove; 8. a slide rail; 9. a needle point fixing block; 10. an elastic buckle; 11. a storage slot; 12. a connection socket; 13. guiding the slope surface; 14. fixing the fastening slot; 15. unlocking the jack; 16. arranging a groove; 17. unlocking the plugboard; 18. reserving a port; 19. a stopper; 20. a needle passage; 21. a clearance for movement; 22. elastic reserved space; 23. a chute; 24. a needle point fixing hole; 25. a rubber fixing film; 26. a sponge absorbing block; 27. a push block; 28. a wedge block; 29. and a limiting block.

Detailed Description

The technical solution 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. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

please refer to fig. 1-8, a safety protection cover for injection needle convenient for storage and arrangement, comprising a protection cover 1 and a storage seat 2, wherein the storage seat 2 is provided with a plurality of storage slots 11, the protection cover 1 is provided with a plurality of protection covers 1 respectively clamped and fixed in the storage slots 11, the upper end of the protection cover 1 is provided with a needle tube placing slot 4, one end of the protection cover 1 is fixedly connected with a needle seat fixture block 5 and a separation fixture block 6, an end clamping slot 7 is arranged between the needle seat fixture block 5 and the separation fixture block 6, the needle seat fixture block 5 is matched with the conical head of the needle seat, the separation fixture block 6 is matched with the head of the injection needle tube, the end clamping slot 7 is matched with the maximum outer diameter of the needle seat, a needle point fixing block 9 is slidably connected in the needle tube placing slot 4, and the needle point fixing block 9 is arranged corresponding to the tip of the needle tube.

In this embodiment, both sides wall center fixedly connected with slide rail 8 of needle tubing standing groove 4, and the one end setting that needle file fixture block 5 was kept away from to slide rail 8, spout 23 has been seted up to the both sides of needle point fixed block 9, and spout 23 sliding connection is on the slide rail 8 that corresponds one side, and slide rail 8 is close to the one end fixedly connected with stopper 29 at needle tubing standing groove 4 center, and the width of stopper 29 is the twice of slide rail 8 width.

Specifically, the needle point fixing block 9 can stably slide in the needle tube placing groove 4 by matching the slide rail 8 with the slide groove 23, so that the needle point fixing block 9 can be suitable for fixing the tips of the needle tubes with different lengths, the limitation of the limiting block 29 can effectively prevent the needle point fixing block 9 from slipping on the slide rail 8, and the normal use of the needle point fixing block 9 is ensured.

In this embodiment, a needle point fixing hole 24 is formed in the needle point fixing block 9, the needle point fixing hole 24 is disposed through the needle point fixing block 9, a rubber fixing film 25 is fixedly connected to a front end of the needle point fixing hole 24, and a sponge absorbing block 26 is fixedly connected to an inner cavity of the needle point fixing hole 24.

Specifically, through the fixed rubber holding film 25 of 24 front ends of needle point fixed orifices, can be through the mode that runs through rubber holding film 25 with the needle tubing point end of syringe needle, fixed with the pointed end of needle tubing, absorb the piece 26 through setting up the sponge and can absorb liquid medicine when the needle tubing point end has remaining liquid medicine to flow out, avoid liquid medicine to flow out, pollute medical instrument.

In this embodiment, the equal fixedly connected with elasticity in one end both sides that needle file fixture block 5 was kept away from to protection casing 1 detains 10, and the elasticity in both sides detains 10 mirror symmetry settings, and the elasticity in both sides detains 10 relative terminal fixedly connected with wedge 28 of one end, and every accomodates the equal fixedly connected with connecting socket 12 of one end that corresponds elasticity knot 10 on the draw-in groove 11, and fixed catching groove 14 has all been seted up to connecting socket 12's both sides, and corresponds the terminal wedge 28 joint of position protection casing 1 and fix in fixed catching groove 14.

Specifically, through setting up elasticity knot 10, the terminal outstanding wedge 28 of elasticity knot 10 can be fixed with the inner end of needle point fixed block 9 is spacing, through setting up connection socket 12, can be fixed with the end and the connection socket 12 of protection casing 1 through the fixed catching groove 14 cooperation of wedge 28 and connection socket 12 both sides for protection casing 1 is fixed on accomodating seat 2, thereby makes things convenient for accomodating of protection casing 1 fixed.

In this embodiment, the back side of the storage seat 2 corresponds to the position of each connection socket 12 and has been provided with an unlocking jack 15, the unlocking jack 15 is communicated with a fixed fastening groove 14 in the corresponding connection socket 12, the storage seat 2 is sleeved with the arranging seat 3, the arranging seat 3 is provided with an arranging groove 16, the inner end of the arranging groove 16 corresponds to the unlocking jack 15, and the unlocking jack 17 is matched with the unlocking jack 15.

Specifically, through setting up unblock jack 15 for when storage holder 2 inserts arrangement groove 16, through the unblock picture peg 17 that inserts in the unblock jack 15, push away the wedge 28 in the fixed catching groove 14, make wedge 28 and fixed catching groove 14 separately, thereby make the inner end and the connection socket 12 of protection casing 1 separate, conveniently take off protection casing 1, classify the arrangement to protection casing 1 that is fixed with different types of syringe needles.

In this embodiment, a stopper 19 is fixedly connected to one side of the upper end of the storage seat 2 away from the connection socket 12, a needle passage 20 is opened at a position of the stopper 19 corresponding to the protection cover 1, and a reserved opening 18 is formed between the stopper 19 and the end of the storage slot 11.

It is specific, it is fixed with the front end of protection casing 1 through dog 19, the setting of syringe needle passageway 20 makes things convenient for the passing through of syringe needle head, guaranteed that protection casing 1 also can normal use when fixing on storage seat 2, it leaves the space for deformation to make protection casing 1 front end needle file fixture block 5 and separation fixture block 6 go into when taking place deformation to have the needle file card to go into through the reservation mouth 18 that sets up, guaranteed that protection casing 1 also can be with in the normal card of syringe needle goes into protection casing 1 when fixing on storage seat 2, the use of protection casing 1 has been made things convenient for.

In this embodiment, guiding slopes 13 are cut on two sides of the front end of the connection socket 12, and the width of the tail end of the connection socket 12 is smaller than the distance between the elastic buckles 10.

Specifically, the arrangement of the guide slope 13 facilitates the connection socket 12 to push the wedge block 28 open when being inserted between the elastic buckles 10, so that the wedge block 28 is fixed in the fixed buckle slot 14 by the elasticity of the elastic buckles 10, and the fixing effect of the connection socket 12 on the protective cover 1 is ensured.

In this embodiment, the two sides of the protective cover 1 corresponding to the elastic buckle 10 are both provided with an elastic reserved space 22, and the width of the elastic reserved space 22 is one millimeter greater than the width of the elastic buckle 10.

Specifically, through setting up elasticity headspace 22 and detaining 10 deformation for elasticity and leave the space, elasticity headspace 22's width is detained 10 than elasticity and is detained the big one millimeter of width, can avoid elasticity to detain 10 from top to bottom and elasticity headspace 22 between the friction, reduce the resistance of separation, the separation of the protection casing 1 of being convenient for and storage seat 2.

In this embodiment, the upper end of the needle point fixing block 9 is fixedly connected with a pushing block 27, and the upper end of the pushing block 27 is provided with a friction groove.

Specifically, the pushing block 27 is convenient for an operator to push the needle point fixing block 9 to move, the friction groove is arranged to avoid the needle point fixing block 9 from slipping, and the safety of the using process is guaranteed.

In this embodiment, a movable gap 21 is left between the connecting socket 12 and the bottom of the accommodating slot 11, and the width of the movable gap 21 is greater than the thickness of the bottom of the protection cover 1.

Specifically, a moving space is reserved between the tail end of the protection cover 1 and the connecting socket 12 when the front end of the protection cover 1 is lifted up through the arranged movable gap 21, so that the protection cover 1 is convenient to disassemble, and the operation of the device is convenient.

The working principle is as follows: when the device is used, the conical head of the needle base of the injection needle is aligned with the needle base fixture block 5 to be clamped, the position with the maximum outer diameter of the needle base is correspondingly clamped into the end part clamping groove 7, the head part of the injection needle cylinder is clamped into the separation fixture block 6, the needle point fixing block 9 is pushed through the push block 27, the needle tube tip end of the injection needle is inserted into the needle point fixing block 9 to fix the needle tube tip end of the injection needle, the injection needle cylinder is pulled out along the horizontal direction of the protective cover 1, the injection needle is left in the protective cover 1, the rear end of the protective cover 1 provided with the injection needle is aligned with the connecting socket 12 to be inserted down, the front end of the protective cover 1 is pressed down, the wedge blocks 28 on the elastic buckle 10 are correspondingly clamped into the fixing buckle grooves 14 on the two sides of the connecting socket 12, the protective cover 1 provided with the injection needle is fixed on the storage base 2, when the injection needle needs to be respectively treated, the storage base 2 is inserted into the arrangement groove 16, make the unblock picture peg 17 one-to-one on the arrangement seat 3 insert in the unblock jack 15, the front end and the wedge 28 of unblock picture peg 17 offset, release fixed catching groove 14 with wedge 28, upwards stimulate the front end of protection casing 1 this moment, can separate protection casing 1 and storage seat 2, conveniently carry out classification to protection casing 1.

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 equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.