CN217489450U - Puncture-proof protective sleeve for syringe - Google Patents

Abstract

The utility model discloses a thorn protective sheath is prevented to syringe, including outer pipe box, be provided with interior pipe box in the outer pipe box, interior pipe box one end is provided with the location layer board, interior pipe box has lug one near the annular distribution on the outer lane of location layer board one side, be provided with the stopper on the outer lane of interior pipe box, the stopper is located the location layer board with between the lug one, the inner circle annular distribution of outer pipe box has protruding one and protruding two, one side annular distribution of keeping away from the location layer board on the outer lane of interior pipe box has lug two, and outer pipe box and interior pipe box can spacing locking, avoid the exogenic action back-movement, cause the accidental injury after preventing that the syringe needle from spilling.

Description

Puncture-proof protective sleeve for syringe

Technical Field

The utility model relates to a syringe protection field specifically is a syringe prevents stinging protective sheath.

Background

The syringe is a common medical appliance, and the liquid medicine is directly injected into a human body through the syringe, so that the injection end of the syringe is required to be sterile and safe, and the syringe is usually protected by a protective sleeve.

The injection needle matched with the injector is generally provided with a protective sleeve for protection, and the tip of the needle is positioned in the protective sleeve when not used, so that the medical staff and the like cannot be punctured; after the injection needle is used, a user often forgets to sleeve the injection needle on the protective sleeve again, so that the exposed sharp needle point easily causes needle stick injuries to medical workers, and the needle head exposed in the centralized placing and recycling process is inevitable to cause the needle stick injuries to the workers.

Accordingly, one skilled in the art provides a syringe puncture preventing sheath that solves the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thorn protective sheath is prevented to syringe has improved the security, convenient to use with protect the syringe, prevent the advantage of accidental injury to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the syringe puncture-proof protective sleeve comprises an outer sleeve, wherein an inner sleeve is arranged in the outer sleeve, a positioning supporting plate is arranged at one end of the inner sleeve, a first protruding block is annularly distributed on an outer ring close to one side of the positioning supporting plate in the inner sleeve, a limiting block is arranged on the outer ring of the inner sleeve, the limiting block is positioned between the positioning supporting plate and the first protruding block, a first protruding block and a second protruding block are annularly distributed on an inner ring of the outer sleeve, and a second protruding block is annularly distributed on one side, far away from the positioning supporting plate, of the outer ring of the inner sleeve.

As the utility model discloses further scheme again, location layer board one side fixedly connected with cutting ferrule, the inner circle annular distribution of cutting ferrule has the card strip, the transversal triangle-shaped setting of personally submitting of card strip, the quantity of card strip is four.

As the utility model discloses scheme further still, the diameter of outer pipe box is greater than the diameter of inner pipe box, and protruding first and protruding two are less than the length of lug two at ascending distance in week, the outer edge of lug two all sets up to arc transition angle.

As a further aspect of the present invention, the width of the first projection is smaller than the axial gap between the first projection and the second projection.

As a further proposal, the width of the second bump is smaller than the axial clearance between the first bump and the second bump.

As the utility model discloses the scheme of furthering again, protruding first and protruding two's quantity is three respectively, protruding first and protruding two are the wedge, and protruding one side that is close to protruding two is higher than relative one side, and protruding two is higher than relative one side near one side of protruding one.

As the utility model discloses further scheme again, form the clearance between protruding one and the protruding two, interior pipe box and outer pipe box pass through lug one, protruding one, two spacing locks of protruding, and locking is removed to external force pulling outer pipe box, interior pipe box and outer pipe box, continues pulling outer pipe box, and interior pipe box and outer pipe box pass through lug two, protruding one, protruding two spacing locks once more.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, pack the syringe into the protective sheath, the protective sheath has the cutting ferrule can fix the syringe, and the inner tube cover and the outer pipe sleeve of protective sheath are spacing, do not take place the position and remove, prevent to influence the use of syringe, and the syringe uses the back, and the user stimulates the outer pipe sleeve, and external force makes the spacing removal of inner and outer pipe sleeve, continues the pulling, and the inner and outer pipe sleeve is spacing locking once more, and the syringe needle is inside the protective sheath this moment, can effectively prevent that the syringe needle after the use from causing the accidental injury.

Drawings

FIG. 1 is a schematic view of a structure of a puncture-proof protective sheath for a syringe according to the present invention;

FIG. 2 is a schematic view of a sleeve in the puncture-proof sheath of an injector according to the present invention;

FIG. 3 is a schematic structural view of the middle and outer pipe sleeves, the first protrusion and the second protrusion of the present invention;

fig. 4 is a schematic front view of the cross-sectional structure of the middle and outer tube sleeves of the inner tube sleeve of the puncture-proof protective sleeve of the injector of the present invention.

In the figure: 1. an outer pipe sleeve; 2. an inner pipe sleeve; 3. positioning a supporting plate; 4. a second bump; 5. a limiting block; 6. A first bulge; 7. a second bulge; 8. a first bump; 9. a ferrule; 10. and (6) clamping the strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 ~ 4, the embodiment of the utility model provides an in, a thorn protective sheath is prevented to syringe includes outer pipe box 1, be provided with interior pipe box 2 in the outer pipe box 1, 2 one ends of interior pipe box are provided with location layer board 3, interior pipe box 2 has lug one 8 in the annular distribution on the outer lane that is close to location layer board 3 one side, be provided with stopper 5 on the outer lane of interior pipe box 2, stopper 5 is located location layer board 3 with between the lug one 8, the inner circle annular distribution of outer pipe box 1 has protruding one 6 and protruding two 7, one side annular distribution who keeps away from location layer board 3 on the outer lane of interior pipe box 2 has lug two 4.

The utility model discloses a set up the syringe needle of 2 protection syringes on the outer tube cover, before the use, outer tube cover 1 and inner tube cover 2 pass through one 8, protruding one 6, protruding two 7 spacing locks, has the clearance before protruding one 6 and protruding two 7, and the clearance is gone into to one 8 cards of lug to through stopper 5, make outer tube cover 1 and inner tube cover 2 not take place radial and axial displacement, be the first spacing lock-out state of outer tube cover 1 and inner tube cover 2 this moment. The injector is arranged in the inner sleeve 2, and the injector is fixed by the clamping sleeve 9 at the end part of the inner sleeve 2, so that the injector can be stably arranged in the inner sleeve 1, and the injector is stable in integral structure and cannot influence the use of the injector when injecting. After the injection is completed by the injector, the outer sleeve 1 is pulled, the outer sleeve 1 and the inner sleeve 2 are unlocked in a limiting mode, the outer sleeve 1 continues to be pulled, the inner sleeve 2 and the outer sleeve 1 are locked in a limiting mode again through the second projection 4, the first projection 6 and the second projection 7, the second limiting locking state of the outer sleeve 1 and the inner sleeve 2 is achieved, the needle is covered by the outer sleeve 1 in the state, and the user can be effectively prevented from being accidentally injured.

In order to effectively fix the syringe, the utility model discloses be provided with location layer board 3, 3 one side fixedly connected with cutting ferrule 9 in location, the inner circle annular distribution of cutting ferrule 9 has card strip 10, the transversal triangle-shaped setting of personally submitting of card strip 10, the quantity of card strip 10 is four, after the syringe was put into interior pipe box 2, can fix the syringe through card strip 10 on the cutting ferrule 9 to facilitate the use.

In order to achieve the first limit locking state, the width of the projection I8 is smaller than the clearance between the projection I6 and the projection II 7 in the axial direction. In order to achieve the first limit locking state, the width of the second projection 4 is smaller than the clearance between the first projection 6 and the second projection 7 in the axial direction.

Please refer to fig. 3, the number of the first protrusions 6 and the second protrusions 7 is three, the first protrusions 6 and the second protrusions 7 are wedge-shaped, one side of the first protrusions 6, which is close to the second protrusions 7, is higher than the opposite side, one side of the second protrusions 7, which is close to the first protrusions 6, is higher than the opposite side, the first protrusions 6 and the second protrusions 7 are distributed on the inner wall of the outer pipe sleeve in a staggered manner, a gap is formed between the first protrusions 6 and the second protrusions 7, and the spacing locking of the inner pipe sleeve and the outer pipe sleeve can be realized by utilizing the gap to be matched with the first protrusions 8 and the second protrusions 4.

Referring to fig. 2 and 3, in order to achieve the second limit locking state, the distance between the first protrusion 6 and the second protrusion 7 in the circumferential direction is required to be smaller than the length of the second protrusion 4, so that the outer jacket 1 is pulled without being directly separated from the inner jacket, and the outer edges of the second protrusions 4 are all set to be arc transition angles, so that the outer jacket 1 is pulled to smoothly achieve the second limit locking state.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a syringe prevents stinging protective sheath which characterized in that: the pipe fitting comprises an outer pipe sleeve (1), wherein an inner pipe sleeve (2) is arranged in the outer pipe sleeve (1), one end of the inner pipe sleeve (2) is provided with a positioning support plate (3), a first protruding block (8) is annularly distributed on an outer ring of one side, close to the positioning support plate (3), of the inner pipe sleeve (2), a limiting block (5) is arranged on the outer ring of the inner pipe sleeve (2), the limiting block (5) is located between the positioning support plate (3) and the first protruding block (8), a first protruding block (6) and a second protruding block (7) are annularly distributed on an inner ring of the outer pipe sleeve (1), and a second protruding block (4) is annularly distributed on one side, far away from the positioning support plate (3), of the outer ring of the inner pipe sleeve (2).

2. A syringe puncture-resistant protective sheath according to claim 1, wherein: the clamping device is characterized in that clamping sleeves (9) are fixedly connected to one side of the positioning supporting plate (3), clamping strips (10) are annularly distributed on the inner ring of each clamping sleeve (9), the cross sections of the clamping strips (10) are arranged in a triangular mode, and the number of the clamping strips (10) is four.

3. A syringe puncture-resistant protective sheath according to claim 1, wherein: the diameter of the outer pipe sleeve (1) is larger than that of the inner pipe sleeve (2), the distance between the first bulges (6) and the second bulges (7) in the circumferential direction is smaller than the length of the second bulges (4), and arc transition angles are arranged at the outer edge of the second bulges (4).

4. A syringe puncture-resistant protective sheath according to claim 1, wherein: the width of the first projection (8) is smaller than the gap between the first projection (6) and the second projection (7) in the axial direction.

5. A syringe puncture-resistant protective sheath according to claim 1, wherein: the width of the second projection (4) is smaller than the gap between the first projection (6) and the second projection (7) in the axial direction.

6. A syringe puncture-resistant protective sheath according to claim 1, wherein: the number of the first protrusions (6) and the number of the second protrusions (7) are three respectively, the first protrusions (6) and the second protrusions (7) are wedge-shaped, one side, close to the second protrusions (7), of the first protrusions (6) is higher than the opposite side, and one side, close to the first protrusions (6), of the second protrusions (7) is higher than the opposite side.

7. A syringe puncture-resistant protective sheath according to claim 1, wherein: a gap is formed between the first bulge (6) and the second bulge (7), the inner pipe sleeve (2) and the outer pipe sleeve (1) are limited and locked through the first bulge (8), the first bulge (6) and the second bulge (7), the outer pipe sleeve (1) is pulled by external force, the inner pipe sleeve (2) and the outer pipe sleeve (1) are unlocked, the outer pipe sleeve (1) continues to be pulled, and the inner pipe sleeve (2) and the outer pipe sleeve (1) are limited and locked again through the second bulge (4), the first bulge (6) and the second bulge (7).

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