CN216877458U - Protective cap and syringe - Google Patents
Protective cap and syringe Download PDFInfo
- Publication number
- CN216877458U CN216877458U CN202220092387.8U CN202220092387U CN216877458U CN 216877458 U CN216877458 U CN 216877458U CN 202220092387 U CN202220092387 U CN 202220092387U CN 216877458 U CN216877458 U CN 216877458U
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- CN
- China
- Prior art keywords
- protective cap
- syringe
- helmet
- sealing ring
- cap body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a protective cap and a syringe, and relates to the technical field of medical instruments. A protective cap comprises a protective cap body, wherein a blind hole is formed in the lower end of the protective cap body, internal threads are formed in the blind hole, an elastic blocking part is arranged in the center of the inner top wall of the protective cap body, the blocking part is of a conical structure, and one end, far away from the inner top wall of the protective cap body, of the blocking part is a small end, so that the protective cap has a better syringe sealing effect, and centrifugal liquid cannot leak; the utility model provides a syringe, includes syringe body and above-mentioned helmet, above-mentioned helmet and the injection end threaded connection of above-mentioned syringe body, this syringe when carrying out the centrifugation of centrifugate operation, the liquid in the syringe can not reveal, and the helmet body on the syringe is dismantled more easily, need not take very big power.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a protective cap and an injector.
Background
The syringe is one of the most common devices in the medical field, and consists of a syringe with a small hole at the front section and a matched piston core rod, the syringe is used for injecting a small amount of liquid or extracting the liquid or the liquid from an area which cannot be accessed by other methods, the liquid or gas is sucked from the small hole at the front end of the syringe when the core rod is extracted, and the liquid or gas is extruded when the core rod is pushed in. This process of drawing or injecting gas or liquid with a syringe and needle is called injection.
However, the syringe can be used for centrifugation after a needle is removed, the syringe is used for centrifuging a blood sample, the syringe for centrifugation generally needs to be plugged by a protective cap, but when the syringe shakes for centrifugation, the injection can leak from the protective cap, so that the liquid can drip when the protective cap is unscrewed to pollute the environment, and on the other hand, the centrifugation of the blood sample can be influenced to a certain extent, so that the problem is urgently needed to be solved.
SUMMERY OF THE UTILITY MODEL
The first purpose of the utility model is to provide a protective cap, which has a better effect of sealing the syringe, prevents the centrifugal liquid from leaking when the syringe rotates, and has a simple structure.
A second object of the present invention is to provide a syringe in which a liquid in the syringe does not leak when a centrifugal operation is performed, and a cap body of the syringe is easily detached without requiring a large effort.
The embodiment of the utility model is realized by the following steps:
in a first aspect, an embodiment of the present application provides a helmet, including the helmet body, above-mentioned helmet body lower extreme is equipped with the blind hole, and above-mentioned blind hole is equipped with the internal thread, and this internal roof center department of above-mentioned helmet is equipped with elastic stifled jam portion, and above-mentioned stifled jam portion is the toper structure, and the one end that this internal roof of above-mentioned helmet was kept away from to above-mentioned jam portion is the tip.
In some embodiments of the present invention, an annular sealing ring is disposed on an inner wall of the upper portion of the internal thread of the cap body, and the annular sealing ring has elasticity.
In some embodiments of the present invention, the inner hole of the annular sealing ring is a tapered hole, and an end of the annular sealing ring away from the inner top wall of the cap body is a large end of the inner hole of the annular sealing ring.
In some embodiments of the utility model, the annular sealing ring is made of medical rubber.
In some embodiments of the present invention, the outer sidewall of the cap body is provided with a plurality of protrusions.
In some embodiments of the present invention, a plurality of the protrusions are uniformly distributed on the outer sidewall of the cap body.
In some embodiments of the utility model, any one of the protrusions is of a semi-circular configuration.
In some embodiments of the utility model, any of the protrusions is of a resilient construction.
In some embodiments of the present invention, an outer sidewall of the upper end of the cap body is a tapered structure, and the upper end of the cap body is a small end.
In a second aspect, a syringe comprises a syringe body and the protective cap, wherein the protective cap is in threaded connection with the injection end of the syringe body.
Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:
the utility model provides a helmet, includes the helmet body, above-mentioned helmet body lower extreme is equipped with the blind hole, and above-mentioned blind hole is equipped with the internal thread, and this internal roof center department of above-mentioned helmet is equipped with elastic stifled jam portion, and above-mentioned jam portion is the toper structure, and the one end that this internal roof of above-mentioned helmet was kept away from to above-mentioned jam portion is the tip.
The protective cap body is internally provided with the internal thread, and the centrifugal liquid in the injector can not leak out of the protective cap body through the threaded connection with the injector and the layer-by-layer threaded sealing, so that the centrifugal liquid is prevented from continuously leaking out of the protective cap body when the injector rotates, and the environment is prevented from being polluted and the centrifugal treatment result of the centrifugal liquid is prevented from being influenced; this internal roof center department of helmet is provided with stifled portion, stifled portion is used for blockking up the injection port of syringe, thereby avoid the interior centrifuging liquid of syringe to come out from the injection port, thereby avoided revealing of centrifuging liquid from the source, moreover, simple structure and effectual, stifled portion is the toper structure, the one end that this internal roof of helmet was kept away from to stifled portion is the tip, because stifled portion is the toper structure and has elasticity, when the injection port of syringe was blockked up to stifled portion, the outer wall of stifled portion can continue the contact department of extrusion and syringe injection port, thereby make the injection port of sealed syringe that stifled portion can be better, avoid the centrifuging liquid to reveal, moreover, the steam generator is simple in structure and convenient.
In a second aspect, a syringe comprises a syringe body and the protective cap, wherein the protective cap is in threaded connection with the injection end of the syringe body.
Nut and syringe body threaded connection for the syringe body is at the pivoted in-process, sealing performance obtains guaranteeing, and for the nut of pull-out formula, threaded connection's nut is more laborsaving when breaking away from with the syringe body, and need not use too energetically so that influence this internal centrifugal liquid of syringe, and the jam portion in the nut can make the sealing performance between nut and the syringe body injection end better, thereby avoided revealing of centrifugal liquid from the source, simple structure and effectual.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed 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 an overall cross-sectional view of a protective cap according to the present invention;
FIG. 2 is a front view of the helmet of the present invention;
fig. 3 is a schematic view of the structure of the syringe of the present invention.
Icon: 1-a protective cap body, 2-a plugging part, 3-an annular sealing ring, 4-a bulge and 5-an injector body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, or an orientation or a positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, and the indication or the suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the present invention should not be construed as being limited. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" represents at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, 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 by those skilled in the art according to specific situations.
Example 1
As shown in fig. 1-2, the present embodiment provides a protective cap, which includes a protective cap body 1, a blind hole is formed at a lower end of the protective cap body 1, the blind hole is provided with an internal thread, an elastic blocking portion 2 is formed at a center of an inner top wall of the protective cap body 1, the blocking portion 2 is of a tapered structure, and one end of the blocking portion 2, which is far away from the inner top wall of the protective cap body 1, is a small end.
In the embodiment, the protective cap body 1 is internally provided with the internal thread, and the centrifugal liquid in the injector can not leak out of the protective cap body 1 through the threaded connection with the injector and the layer-by-layer threaded sealing, so that the centrifugal liquid is prevented from continuously leaking out of the protective cap body 1 when the injector rotates, and the environment is prevented from being polluted and the centrifugal processing result of the centrifugal liquid is prevented from being influenced; top wall center department is provided with stifled portion 2 in the helmet body 1, stifled portion 2 is used for blockking up the injection port of syringe, thereby it comes out from the injection port to avoid the centrifuging liquid in the syringe, thereby the leakage of centrifuging liquid has been avoided from the source, moreover, stifled portion 2 is the toper structure, the one end that the top wall was kept away from in the helmet body 1 to stifled portion 2 is the tip, because stifled portion 2 is the toper structure and has elasticity, when the injection port of syringe is blockked up to stifled portion 2, the outer wall of stifled portion 2 can continue the contact department of extrusion and syringe injection port, thereby make the injection port of the sealed syringe that stifled portion 2 can be better, avoid the centrifuging liquid to reveal, moreover, the steam generator is simple in structure and convenient.
Specifically, the protective cap body 1 is made of medical plastic, and the blocking part 2 is made of medical rubber.
Example 2
As shown in fig. 1-2, in this embodiment, in addition to embodiment 1, an annular seal ring 3 is provided on an inner wall of an upper portion of the internal thread of the cap body 1, and the annular seal ring 3 has elasticity.
In this embodiment, roof fixed connection in the upper end of ring packing 3 and the helmet body 1, when elastic ring packing 3 set up the injection port that makes the sealed syringe of helmet body 1, the injection tip of syringe is in between ring packing 3 and the jam portion 2, receives the extrusion force of inside and outside both sides to make the leakproofness of the injection tip of syringe better, can not be when the syringe rotates, the injection port can be followed to the centrifugate.
In some embodiments of the present invention, the inner hole of the annular sealing ring 3 is a tapered hole, and the end of the annular sealing ring 3 away from the inner top wall of the cap body 1 is a large end of the inner hole of the annular sealing ring 3.
In the above embodiment, the inner hole of the annular sealing ring 3 is a tapered hole, when the protective cap body 1 seals the injection port of the injector, the injection end of the injector is located between the annular sealing ring 3 and the blocking part 2, and the inner side wall and the outer side wall of the injection end of the injector can be squeezed by the inner tapered wall and the outer tapered wall, so that the sealing effect of the injection end is better, and the structure is simple.
In some embodiments of the present embodiment, the upper end of the annular sealing ring 3 is connected to the inner top wall of the cap body 1.
In the above embodiment, the annular sealing ring 3 is made of medical rubber, and the annular sealing ring 3 made of medical rubber prevents the centrifugate from being polluted even if contacting the annular sealing ring 3, thereby ensuring that the centrifugate is not polluted in the centrifugation process and the centrifugation result of the centrifugate is not influenced.
Example 3
As shown in fig. 1-2, in the present embodiment, on the basis of some embodiments, the outer side wall of the cap body 1 is provided with a plurality of protrusions 4.
In the embodiment, the outer side wall of the protective cap body 1 is provided with a plurality of protrusions 4, when a user separates the protective cap body 1 from a syringe, the protrusions 4 can increase friction between the user and the protective cap body 1, and the user can use corresponding force to unscrew the protective cap body 1 from the syringe; due to the existence of the bulge 4, even people with small strength can screw off the helmet with strength, without using large strength to increase the friction between the hand and the outer side wall of the helmet body 1, and the helmet has simple structure and low manufacturing cost.
In some embodiments of the present embodiment, a plurality of the protrusions 4 are uniformly distributed on the outer sidewall of the cap body 1.
In above-mentioned embodiment, a plurality of protruding 4 evenly distributed are at helmet body 1 lateral wall, and user of service when twisting helmet body 1, when hand and the contact of helmet body 1 lateral wall, the hand can be even with a plurality of protruding 4 contacts to make the frictional force that the hand received everywhere all unanimously, when the hand is unscrewed helmet body 1, user of service's sensation can be better.
In some embodiments of this embodiment, any one of the protrusions 4 has a semicircular structure; when the hand is contacted with the semicircular convex points, the skin of the hand of a user can not be irritated due to the overlong length of the convex points, the corresponding effect can be achieved, and the structure is simple.
In some embodiments of this embodiment, any one of the protrusions 4 is an elastic structure, and when a hand presses the protrusion 4, the protrusion 4 will be pressed, and the protrusion 4 will give a reaction force to the hand, so as to ensure a friction force between the hand and the protrusion 4, on the one hand, and on the other hand, the protrusion 4 will not irritate the skin of the hand, and also massage the skin of the hand.
Specifically, the elastic structure can be rubber, and the cost is low.
In some embodiments of the present embodiment, the outer sidewall of the upper end of the cap body 1 is a tapered structure, and the upper end of the cap body 1 is a small end.
In the above embodiment, when the user screws the cap body 1, the user can hold the cap body 1 with his hand more easily, and the end of the conical structure is more stable, so that the cap body 1 can be used more effectively in the process of sealing the syringe.
Example 4
As shown in fig. 3, the present embodiment provides a syringe including a syringe body 5 and the cap, wherein the cap is screwed with an injection end of the syringe body 5.
In this embodiment, helmet and 5 threaded connection of syringe body, make syringe body 5 at the pivoted in-process, sealing performance obtains guaranteeing, and for the helmet of pull-out formula, threaded connection's helmet is more laborsaving when breaking away from with syringe body 5, and need not use too big so that influence the centrifugal liquid in the syringe body 5, and the sealing performance between 5 injection ports of helmet and syringe body can be better for the jam portion 2 in the helmet, thereby avoided revealing of centrifugal liquid from the source, simple structure and effectual.
In summary, the embodiment of the present invention provides a protective cap, which includes a protective cap body 1, a blind hole is formed at a lower end of the protective cap body 1, the blind hole is provided with an internal thread, an elastic blocking portion 2 is arranged at a center of an inner top wall of the protective cap body 1, the blocking portion 2 is a tapered structure, and one end of the blocking portion 2, which is far away from the inner top wall of the protective cap body 1, is a small end.
The protective cap body 1 is internally provided with internal threads, and the centrifugal liquid in the injector can not leak out of the protective cap body 1 through the threaded connection with the injector and the layer-by-layer threaded sealing, so that the centrifugal liquid is prevented from continuously leaking out of the protective cap body 1 when the injector rotates, and the environment is prevented from being polluted and the centrifugal treatment result of the centrifugal liquid is prevented from being influenced; top wall center department is provided with stifled portion 2 in the helmet body 1, stifled portion 2 is used for blockking up the injection port of syringe, thereby it comes out from the injection port to avoid the centrifuging liquid in the syringe, thereby the leakage of centrifuging liquid has been avoided from the source, moreover, stifled portion 2 is the toper structure, the one end that the top wall was kept away from in the helmet body 1 to stifled portion 2 is the tip, because stifled portion 2 is the toper structure and has elasticity, when the injection port of syringe is blockked up to stifled portion 2, the outer wall of stifled portion 2 can continue the contact department of extrusion and syringe injection port, thereby make the injection port of the sealed syringe that stifled portion 2 can be better, avoid the centrifuging liquid to reveal, moreover, the steam generator is simple in structure and convenient.
A syringe comprises a syringe body 5 and the protective cap, wherein the protective cap is in threaded connection with the injection end of the syringe body 5.
Nut and 5 threaded connection of syringe body, make syringe body 5 at the pivoted in-process, sealing performance obtains guaranteeing, and for the nut of pull-out type, threaded connection's nut is more laborsaving when breaking away from with syringe body 5, and need not use so big so that influence the centrifugal liquid in the syringe body 5, and the sealing performance between 5 injection ports of nut and syringe body can be better for the jam portion 2 in the nut, thereby avoided revealing of centrifugal liquid from the source, simple structure and effectual.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. 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. A protective cap, characterized in that: including the helmet body, helmet body lower extreme is equipped with the blind hole, the blind hole is equipped with the internal thread, this internal roof center department of helmet is equipped with elastic stifled jam portion, stifled jam portion is the toper structure, stifled jam portion is kept away from the one end of this internal roof of helmet is the tip.
2. A protective cap according to claim 1, wherein: the inner wall of the upper part of the internal thread of the protective cap body is provided with an annular sealing ring, and the annular sealing ring has elasticity.
3. A protective cap according to claim 2, wherein: the inner hole of the annular sealing ring is a tapered hole, and one end of the annular sealing ring, which is far away from the inner top wall of the protective cap body, is the large end of the inner hole of the annular sealing ring.
4. A protective cap according to claim 2, wherein: the annular sealing ring is made of medical rubber.
5. A protective cap according to claim 1, wherein: the outer side wall of the helmet body is provided with a plurality of bulges.
6. A protective cap as claimed in claim 5, wherein: the bulges are uniformly distributed on the outer side wall of the helmet body.
7. A protective cap according to claim 5, wherein: any one of the protrusions is of a semicircular structure.
8. A protective cap as claimed in claim 5, wherein: any one of the bulges is of an elastic structure.
9. A protective cap according to claim 1, wherein: the outer side wall of the upper end part of the helmet body is of a conical structure, and the upper end part of the helmet body is a small end.
10. A syringe, characterized by: comprising a syringe body and a cap according to any one of claims 1 to 9, said cap being screwed to the injection end of said syringe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220092387.8U CN216877458U (en) | 2022-01-13 | 2022-01-13 | Protective cap and syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220092387.8U CN216877458U (en) | 2022-01-13 | 2022-01-13 | Protective cap and syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216877458U true CN216877458U (en) | 2022-07-05 |
Family
ID=82212289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220092387.8U Expired - Fee Related CN216877458U (en) | 2022-01-13 | 2022-01-13 | Protective cap and syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216877458U (en) |
-
2022
- 2022-01-13 CN CN202220092387.8U patent/CN216877458U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |