CN211724264U - Insulin pen cap protective sheath - Google Patents

Abstract

The utility model provides an insulin pen cap protective sheath belongs to insulin pen technical field. This insulin pen cap protective sheath includes syringe needle subassembly, protective sheath subassembly and uncaps the subassembly. The needle assembly comprises a fixed shell and a needle fixed at the top end of the fixed shell. The door assembly includes a housing. The casing rotating body, the dog is withstood to the third fixture block, through third fixture block to second fixture block thrust, make third fixture block jack-up second fixture block, rotatory in-process, first slider slides along first slide, the protective sheath lower extreme can produce elastic deformation, the protective sheath lower extreme moves along with the second fixture block, the protective sheath lower extreme drives first fixture block motion, stop when laminating and protective sheath lower extreme outer wall of casing lower extreme inner wall, first fixture block leaves first draw-in groove this moment, operating personnel can directly take out the protective sheath, make the protective sheath leave the set casing, and then effectively improve the relatively poor problem of plug effect of insulin pen cap protective sheath.

Description

Insulin pen cap protective sheath

Technical Field

The utility model relates to an insulin pen field particularly, relates to an insulin pen cap protective sheath.

Background

When insulin pen installation insulin needle, be the handheld needle usually, then install on insulin pen, because the insulin needle is smaller, cause the puncture wound easily in the installation, injury medical personnel or patient, often use insulin pen cap protective sheath protection insulin needle, at present, insulin pen cap protective sheath is mostly the plug-in formula of interference joint, when the big plug difficulty of magnitude of interference, can lead to insulin pen supporting needle to damage, lead to a pen cap protective sheath slippage easily when magnitude of interference undersize, insulin pen cap protective sheath's plug effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides an insulin pen cap protective sheath aims at improving the relatively poor problem of plug effect of insulin pen cap protective sheath.

The utility model discloses a realize like this:

an insulin pen cap protective sheath includes syringe needle subassembly, protective sheath subassembly and uncap the subassembly.

The needle head component comprises a fixed shell and a needle head fixed at the top end of the fixed shell, an open cavity is formed in the fixed shell, the needle head is communicated with the open cavity, a first clamping groove is formed in the side wall of the lower end of the fixed shell, the protective sleeve component comprises a protective sleeve, a first slide way is formed in the periphery of the protective sleeve, a first clamping block is arranged on the inner wall of the lower end of the protective sleeve, the first clamping block is matched with the first clamping groove, a second clamping block is arranged on the outer wall of the lower end of the protective sleeve, the protective sleeve is sleeved outside the fixed shell, the first clamping block is clamped in the first clamping groove, the cover opening component comprises a shell, a first sliding block is arranged on the inner wall of the shell, a third slide way is formed in the lower end of the shell in a penetrating mode, third clamping blocks are arranged on, the first sliding block is arranged corresponding to the first slide way, the first sliding block can slide along the first slide way, the second clamping block extends out of the shell through the third slide way, the second clamping block can slide along the third slide way, and the inner diameter of the lower end of the shell is larger than the outer diameter of the lower end of the protective sleeve.

The utility model discloses an in one embodiment, the set casing top is provided with the needle cover, the set casing is provided with the fourth fixture block, the needle cover passes through the fourth fixture block connect in the set casing, needle cover internal diameter with fourth fixture block external diameter is interference fit.

In an embodiment of the present invention, the inner wall of the opening cavity is threaded.

The utility model discloses an in one embodiment, the second draw-in groove has been seted up to the set casing outer wall, the second draw-in groove sets up to two at least, first draw-in groove is seted up in second draw-in groove bottom.

The utility model discloses an in an embodiment, protective sheath inner wall is provided with the fifth fixture block, first fixture block set up in fifth fixture block lower extreme, the fifth fixture block with the second draw-in groove corresponds the setting.

The utility model discloses an in one embodiment, protective sheath outer wall is provided with the second slide, the second slide is located first slide with between the second fixture block, shells inner wall is provided with the second slider, the second slider is located between first slider and the third slide, the second slider with the second slide corresponds the setting, the second slider can be followed the second slide slides.

The utility model discloses an in one embodiment, the second fixture block includes connecting plate and dog, dog fixed connection in connecting plate one side, connecting plate opposite side fixed connection in protective sheath lower extreme outer wall, the connecting plate cup joint in the third slide, the connecting plate can be followed the third slide slides, the dog is located the casing outside.

In an embodiment of the present invention, the third block is configured as a wedge, and the wedge tip is close to the stop.

In an embodiment of the present invention, the outer wall of the housing is uniformly provided with anti-slip strips.

In an embodiment of the present invention, the fixing case, the protecting case and the casing are formed by injection molding.

The utility model has the advantages that: the utility model discloses an insulin pen cap protective sheath that obtains through the above design, when using, the casing rotates, first fixture block and first draw-in groove cooperate, make protective sheath and set casing unable relative rotation, the casing drives the rotation of third fixture block, the third fixture block is close to the dog gradually, the casing continues to rotate, the third fixture block withstands the dog, the third clamping block pushes the second clamping block through the thrust of the third clamping block, and in the rotating process, first slider slides along first slide, and the protective sheath lower extreme can produce elastic deformation, and the protective sheath lower extreme moves along with the second fixture block, and the protective sheath lower extreme drives first fixture block motion, stops when laminating and protective sheath lower extreme outer wall to casing lower extreme inner wall, and first fixture block leaves first draw-in groove this moment, and operating personnel can directly take out the protective sheath, makes the protective sheath leave the set casing, and then effectively improves the relatively poor problem of plug effect of insulin pen cap protective sheath.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a protective cover of an insulin pen cap according to an embodiment of the present invention;

FIG. 2 is a schematic view of a needle assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view of a needle assembly in partial cross-section according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a protective sheath assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of a partial cross-section of a protective sheath assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a cover opening assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a partial cross-section of a door opening assembly according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a second fixture block according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a protective cover of an insulin pen cap during storage according to an embodiment of the present invention;

fig. 10 is a schematic structural view of the insulin pen cap protective cover in use according to the embodiment of the present invention.

In the figure: 100-a needle assembly; 110-a needle guard; 120-needle head; 130-a stationary shell; 140-a second card slot; 150-an open cavity; 160-a first card slot; 170-threads; 180-a fourth fixture block; 200-a protective sleeve assembly; 210-a protective sheath; 220-a first slide; 230-a fifth fixture block; 240-a second slide; 250-a first fixture block; 260-a second fixture block; 261-a connecting plate; 262-a stop block; 300-a lid opening assembly; 310-a first slider; 320-a housing; 330-a second slider; 340-a third slideway; 350-a third fixture block; 360-antislip strips.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides an insulin pen cap protective cover, which comprises a needle assembly 100, a protective cover assembly 200 and a cap opening assembly 300, wherein the needle assembly 100 is used for injecting insulin, the protective cover assembly 200 is used for protecting the needle assembly 100 from damage, and the cap opening assembly 300 is used for opening the protective cover assembly 200 to separate the protective cover assembly 200 from the needle assembly 100.

Referring to fig. 2 and 3, the needle assembly 100 includes a fixing shell 130 and a needle 120 fixed at the top end of the fixing shell 130, the needle 120 is fixed to the fixing shell 130 by gluing, an open cavity 150 is formed in the fixing shell 130, the needle 120 is communicated with the open cavity 150, and a first engaging groove 160 is formed on the side wall of the lower end of the fixing shell 130.

The top end of the fixed shell 130 is provided with the needle sleeve 110, the needle sleeve 110 is used for protecting the needle 120 when in use, the fixed shell 130 is provided with a fourth fixture block 180, the fourth fixture block 180 and the fixed shell 130 are of an integral structure, the needle sleeve 110 is connected to the fixed shell 130 through the fourth fixture block 180, the inner diameter of the needle sleeve 110 and the outer diameter of the fourth fixture block 180 are in interference fit, the inner wall of the opening cavity 150 is provided with a thread 170, the fixed shell 130 is connected to an insulin pen through the thread 170, the outer wall of the fixed shell 130 is provided with a second clamping groove 140, the number of the second clamping grooves 140 is at least two, and.

Referring to fig. 4 and 5, the protective sleeve assembly 200 includes a protective sleeve 210, a first slideway 220 is formed around the protective sleeve 210, a first latch block 250 is disposed on an inner wall of a lower end of the protective sleeve 210, the protective sleeve 210 and the first latch block 250 are of an integrated structure, the first latch block 250 is adapted to the first latch groove 160, a second latch block 260 is disposed on an outer wall of a lower end of the protective sleeve 210, the second latch block 260 and the protective sleeve 210 are of an integrated structure, the protective sleeve 210 is sleeved outside the stationary housing 130, the first latch block 250 is latched to the first latch groove 160, the first latch block 250 and the first latch groove 160 are both wedge-shaped, through a wedge-shaped latching action, a situation that the protective sleeve 210 is separated from the stationary housing 130 is effectively reduced, meanwhile, the first latch block 250 and the first latch groove 160 are engaged, a situation that the protective sleeve 210 and the stationary housing 130 rotate relatively can be effectively reduced, a fifth latch, the first latch 250 is disposed at the lower end of the fifth latch 230, the fifth latch 230 is disposed corresponding to the second latch 140, and the fifth latch 230 is inserted into the second latch 140, so as to further reduce the relative rotation between the protective cover 210 and the fixing shell 130, and when the cover opening assembly 300 rotates, the protective cover 210 is beneficial to leaving the fixing shell 130.

Referring to fig. 6 and 7, the cover opening assembly 300 includes a housing 320, a first slider 310 is disposed on an inner wall of the housing 320, the first slider 310 and the housing 320 are in an integrated structure, a third slide 340 is disposed at a lower end of the housing 320 in a penetrating manner, third latches 350 are disposed on two sides of the third slide 340 on an outer wall of the lower end of the housing 320, the third latches 350 and the housing 320 are in an integrated structure, the housing 320 is sleeved outside the protective casing 210, the first slider 310 and the first slide 220 are disposed correspondingly, the first slider 310 can slide along the first slide 220, a situation that the housing 320 is separated from the protective casing 210 is effectively reduced through cooperation of the first slider 310 and the first slide 220, the second latch 260 extends out of the housing 320 through the third slide 340, the second latch 260 can slide along the third slide 340, and an inner diameter of the lower end of the housing 320 is greater than an.

The outer wall of the protective sleeve 210 is provided with a second slide way 240, the second slide way 240 is located between the first slide way 220 and the second fixture block 260, the inner wall of the housing 320 is provided with a second slide block 330, the second slide block 330 and the housing 320 are of an integrated structure, the second slide block 330 is located between the first slide block 310 and the third slide way 340, the second slide block 330 and the second slide way 240 are correspondingly arranged, the second slide block 330 can slide along the second slide way 240, the situation that the housing 320 is separated from the protective sleeve 210 can be further reduced through the matching of the second slide block 330 and the second slide way 240, the housing 320 is fixed and rotated more stably, the outer wall of the housing 320 is uniformly provided with anti-slip strips 360, the anti-slip strips 360 and the housing 320 are of an integrated structure, the housing 320 can be rotated conveniently through the anti-slip strips 360, and the fixed housing.

Referring to fig. 8, the second latch 260 includes a connection plate 261 and a stopper 262, the stopper 262 is fixedly connected to one side of the connection plate 261, the connection plate 261 and the stopper 262 are fixed through an integrated structure, the other side of the connection plate 261 is fixedly connected to the outer wall of the lower end of the protection sleeve 210, the connection plate 261 is connected to the third slide way 340 in a sleeved manner, the connection plate 261 can slide along the third slide way 340, the stopper 262 is located on the outer side of the housing 320, the third latch 350 is a wedge, and the tip of the wedge is close to the stopper 262.

Referring to fig. 9 and 10, when the housing 320 rotates, the third latch 350 pushes up the stop 262, the lower end of the protection sleeve 210 elastically deforms, the stop 262 drives the first latch 250, so that the first latch 250 leaves the first slot 160, and at this time, the operator can directly pull out the protection sleeve 210, so that the protection sleeve 210 leaves the fixed shell 130, thereby effectively improving the problem of poor inserting and pulling effect of the insulin pen cap protection sleeve.

Specifically, this insulin pen cap protective sheath's theory of operation: when the protective sleeve assembly is used, the shell 320 rotates, the first clamping block 250 is matched with the first clamping groove 160, the protective sleeve 210 and the fixed shell 130 cannot rotate relatively, the fifth clamping block 230 is inserted into the second clamping groove 140, the protective sleeve 210 and the fixed shell 130 can further cannot rotate relatively, the shell 320 drives the third clamping block 350 to rotate, the third clamping block 350 gradually approaches the stop 262, the shell 320 continues to rotate, the third clamping block 350 abuts against the stop 262, the third clamping block 350 pushes the stop 262 through the third clamping block 350, the third clamping block 350 jacks the stop 262, the first sliding block 310 slides along the first sliding way 220 in the rotating process, the protective sleeve assembly 200, the cover opening assembly 300 and the fixed shell 130 are made of plastic materials, the lower end of the protective sleeve 210 can generate elastic deformation, the lower end of the protective sleeve 210 moves along with the stop 262, the lower end of the protective sleeve 210 drives the first clamping block 250 to move until the inner wall of the lower end of the shell 320 is attached to the, at this moment, the first clamping block 250 is separated from the first clamping groove 160, and the operator can directly pull out the protective sleeve 210, so that the protective sleeve 210 is separated from the fixed shell 130, thereby effectively improving the problem of poor plugging effect of the insulin pen cap protective sleeve.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An insulin pen cap protective sheath, which is characterized by comprising

The needle assembly (100) comprises a fixed shell (130) and a needle (120) fixed at the top end of the fixed shell (130), an open cavity (150) is formed in the fixed shell (130), the needle (120) is communicated with the open cavity (150), and a first clamping groove (160) is formed in the side wall of the lower end of the fixed shell (130);

the protective sleeve assembly (200) comprises a protective sleeve (210), a first slide way (220) is arranged on the periphery of the protective sleeve (210), a first clamping block (250) is arranged on the inner wall of the lower end of the protective sleeve (210), the first clamping block (250) is matched with the first clamping groove (160), a second clamping block (260) is arranged on the outer wall of the lower end of the protective sleeve (210), the protective sleeve (210) is sleeved outside the fixed shell (130), and the first clamping block (250) is clamped in the first clamping groove (160);

uncap subassembly (300), uncap subassembly (300) includes casing (320), casing (320) inner wall is provided with first slider (310), casing (320) lower extreme runs through and has seted up third slide (340), casing (320) lower extreme outer wall is located third slide (340) both sides all are provided with third fixture block (350), casing (320) cup joint in outside protective sheath (210), first slider (310) with first slide (220) correspond the setting, first slider (310) can be followed first slide (220) slide, second fixture block (260) pass through outside third slide (340) extend casing (320), second fixture block (260) can be followed third slide (340) slide, casing (320) lower extreme internal diameter size is greater than protective sheath (210) lower extreme external diameter size.

2. The insulin pen cap protective sleeve according to claim 1, wherein a needle sleeve (110) is disposed at a top end of the fixing shell (130), the fixing shell (130) is provided with a fourth fixture block (180), the needle sleeve (110) is connected to the fixing shell (130) through the fourth fixture block (180), and an inner diameter of the needle sleeve (110) and an outer diameter of the fourth fixture block (180) are in interference fit.

3. The insulin pen cap protective cover according to claim 1, wherein the inner wall of the open cavity (150) is provided with a thread (170).

4. The insulin pen cap protective sleeve according to claim 1, wherein the outer wall of the fixing shell (130) is provided with at least two second clamping grooves (140), and the first clamping groove (160) is provided at the bottom end of the second clamping groove (140).

5. The insulin pen cap protective sleeve according to claim 4, wherein a fifth latch (230) is disposed on an inner wall of the protective sleeve (210), the first latch (250) is disposed at a lower end of the fifth latch (230), and the fifth latch (230) is disposed corresponding to the second slot (140).

6. The insulin pen cap protective sleeve according to claim 1, wherein a second slide way (240) is arranged on the outer wall of the protective sleeve (210), the second slide way (240) is located between the first slide way (220) and the second latch (260), a second slide block (330) is arranged on the inner wall of the housing (320), the second slide block (330) is located between the first slide block (310) and the third slide way (340), the second slide block (330) is arranged corresponding to the second slide way (240), and the second slide block (330) can slide along the second slide way (240).

7. The insulin pen cap protective sleeve according to claim 1, wherein the second latch (260) comprises a connecting plate (261) and a stopper (262), the stopper (262) is fixedly connected to one side of the connecting plate (261), the other side of the connecting plate (261) is fixedly connected to the outer wall of the lower end of the protective sleeve (210), the connecting plate (261) is sleeved on the third slideway (340), the connecting plate (261) can slide along the third slideway (340), and the stopper (262) is located outside the housing (320).

8. The insulin pen cap protective sleeve as claimed in claim 7, wherein the third block (350) is a wedge-shaped block, and the tip of the wedge-shaped block is disposed near the stopper (262).

9. The insulin pen cap protective sleeve according to claim 1, wherein the outer wall of the shell (320) is uniformly provided with anti-slip strips (360).

10. The insulin pen cap protective cover according to claim 1, wherein the fixing shell (130), the protective cover (210) and the housing (320) are all integrally injection molded.

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