CN215134989U - Anti-pricking syringe needle cap - Google Patents

Abstract

A hand pricking prevention type syringe needle cap can be sleeved at a needle head of a syringe and comprises a sleeve head, a surrounding hinge and a driving piece; the syringe needle runs through pullover and is connected with pullover detachably, encloses to close the page or leaf and is equipped with a plurality ofly, and a plurality ofly encloses the hinge tip and all articulates with pullover, and driving piece movably installs overhead at the cover to be connected with a plurality of enclosing the drive of closing the page or leaf respectively, in order to order about a plurality of hinges and swing around the overhead pin joint of cover. Thereby enabling the plurality of enclosing leaves to mutually expand to expose the needle head or mutually draw close to wrap the needle head.

Description

Anti-pricking syringe needle cap

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a hand-pricking prevention type syringe needle cap.

Background

The injector is widely used in medical education and medical treatment, and the disposable injector has the advantages of cleanness and sanitation, when in use, medical staff firstly take off the needle cap at the needle head for use, and after the use is finished, the needle cap needs to be returned and concentrated for destruction; however, since the needle tip is exposed after the needle cap is taken off, in the process of covering the needle cap, medical staff can hardly accurately position the horizontal position of the needle head and the needle cap body perpendicular to the sight line by naked eyes, so that the needle cap body is covered while the medical staff is at a great risk of being pricked, the infection rate of infectious diseases is increased easily due to the pricking of the needle tip and the contact of the used needle head, and the probability of infectious diseases (hepatitis B, hepatitis C, AIDS and the like) and accidental injuries is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the problems, the utility model provides a prevent pricking hand formula syringe needle cap, should prevent pricking hand formula syringe needle cap be convenient for medical personnel lid closes the needle cap after using the syringe, reduces medical personnel and syringe needle and takes place the possibility of contact.

(II) technical scheme

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

a hand pricking prevention type syringe needle cap can be sleeved at a needle head of a syringe and comprises a sleeve head, a surrounding hinge and a driving piece; the syringe needle runs through pullover and is connected with pullover detachably, enclose the hinge and be equipped with a plurality ofly, just a plurality ofly enclose the hinge tip and all articulate with pullover, driving piece movably installs overhead at the cover to be connected with a plurality of hinges drive of enclosing respectively, in order to order about a plurality of hinges and around the overhead pin joint swing of cover, and then make a plurality of hinges of enclosing expand each other and expose the syringe needle or draw close the parcel syringe needle each other.

Preferably, the sleeve is installed on the sleeve head, the driving part comprises a driving disc and a transmission rod, the driving disc is movably sleeved on the sleeve, the driving disc and the sleeve are in transition fit, the transmission rod is arranged corresponding to the enclosing hinge, and two ends of the transmission rod are respectively hinged with the driving disc and the enclosing hinge.

Preferably, enclose the hinge and be equipped with two and be first hinge and second hinge respectively, first hinge and second hinge are inside all to be equipped with to enclose and close the chamber, enclose and close chamber bottom and side and be the opening design, and enclose to close and be equipped with on the intracavity wall with the articulated piece of transfer line articulated.

Preferably, first hinge and second hinge all are equipped with the notch enclosing chamber side opening part, and two notches can make up into the V-arrangement groove, it is equipped with the V-arrangement strip to correspond the V-arrangement groove on the driving-disc, and when first hinge and second hinge closed the chamber and put through each other, V-arrangement strip and V-arrangement groove cooperation joint to run through V-arrangement groove to external world, and one of V-arrangement strip through the V-arrangement groove is served and is equipped with the shifting block.

Preferably, the enclosing cavity side opening of the first hinge is provided with a sealing strip, the enclosing cavity side opening of the second hinge is provided with a sealing groove, and when the first hinge and the second hinge are mutually closed, the sealing strip is in matched clamping connection with the sealing groove.

Preferably, the upper surface of the sleeve head is provided with a sealing ring, when the first hinge and the second hinge are mutually closed, the opening at the bottom of the closed cavity of the first hinge and the second hinge is abutted to the upper surface of the sleeve head to cover, and the sealing ring is abutted to the circumference of the wall of the closed cavity of the first hinge and the second hinge.

Preferably, still include the elastic component, the elastic component cover is established on the sleeve, and elastic component one end and pullover upper surface offset, and the other end offsets with driving-disc bottom.

Preferably, a clamping block is arranged on the needle head, a clamping groove is formed in the sleeve head corresponding to the clamping block, and the clamping groove penetrates through the sleeve head.

(III) advantageous effects

The utility model provides a pair of prevent pricking hand formula syringe needle cap, this needle cap production back cover is established corresponding syringe needle department, and a plurality of enclosure hinge pages are in the state including drawing close each other and wrapping up the syringe needle. When the medical needle is used, the medical staff controls the driving disc to move downwards along the length direction of the sleeve to drive the transmission rod to move, and then the plurality of enclosing leaves are driven to expand mutually to expose the needle head, so that the injection work can be carried out; after the injection is finished, the driving disc is controlled to move upwards along the length direction of the sleeve again, and then the plurality of enclosing and closing leaves can be driven to mutually close to wrap the needle head; in the whole process, the medical care personnel can open or close the needle cap only by controlling the driving disc to move, so that the medical care personnel can cover the needle cap after using the syringe, the hands of the medical care personnel can be prevented from contacting with the needle head, and the safety is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 shows a schematic view of a first usage state of the present invention;

fig. 2 shows a schematic view of a second usage state of the present invention;

FIG. 3 shows an enlarged view at B in FIG. 2;

fig. 4 shows a third schematic view of the usage state of the present invention;

fig. 5 shows a schematic diagram of the overall structure of the present invention;

FIG. 6 shows an enlarged view at C in FIG. 5;

fig. 7 shows a schematic diagram of the overall structure of the present invention;

FIG. 8 shows an enlarged view at D in FIG. 7;

figure 9 shows an exploded schematic view of the present invention;

fig. 10 shows a schematic view of a part of the structure of the present invention;

fig. 11 shows a schematic structural view of the cuff of the present invention;

figure 12 shows a schematic view of the driving member of the present invention;

fig. 13 shows a partial cross-sectional view of fig. 12.

In the figure: the mechanical hand comprises a sleeve head 1, a clamping groove 10, a sleeve 11, a sealing ring 1A, a hinge 2, a cavity 20, a hinge block 20a, a notch 20b, a first hinge 21, a sealing strip 21A, a second hinge 22, a sealing groove 22A, a driving piece 3, a driving disc 31, a strip 31b V, a shifting block 310, a transmission rod 32, a Z needle, a T elastic piece and a Z0 clamping block.

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.

Referring to fig. 1-13, an anti-pricking syringe needle cap can be sleeved at a needle head Z of a syringe and comprises a sleeve head 1, a closing sheet 2 and a driving piece 3; syringe needle Z runs through pullover 1 and is connected with pullover 1 detachably, encloses hinge 2 and is equipped with a plurality ofly, and a plurality ofly encloses 2 tip of hinge and all articulates with pullover 1, and driving piece 3 movably installs on pullover 1 to be connected with a plurality ofly enclosing 2 drives respectively, in order to order about a plurality ofly enclose hinge 2 around the first pin joint swing on pullover 1. And then the plurality of enclosing hinges 2 are mutually expanded to expose the needle Z or mutually close to wrap the needle Z.

Specifically, sleeve 11 is installed on pullover 1, and driving piece 3 includes driving-disc 31 and transfer line 32, and the movable cover of driving-disc 31 is established on sleeve 11, and driving-disc 31 and sleeve 11 are transition fit, and transfer line 32 corresponds and encloses hinge 2 setting, and the transfer line 32 both ends respectively with driving-disc 31 with enclose hinge 2 articulated.

It should be noted that, after the production of the needle cap, the needle head Z of the corresponding syringe is sleeved with the needle cap, and the plurality of enclosing sheets 2 are in a state of closing each other and wrapping the needle head Z. When the syringe is used, the medical staff controls the driving disc 31 to move downwards along the length direction of the sleeve 11 to drive the transmission rod 32 to move, and then drives the plurality of surrounding hinges 2 to expand mutually to expose the needle Z, so that the injection work can be carried out; after the injection is finished, the driving disk 31 is controlled to move upwards along the length direction of the sleeve 11 again, so that the plurality of enclosing hinges 2 can be driven to be close to each other to wrap the needle Z.

Particularly, the driving disc 31 and the sleeve 11 are in transition fit, so as to ensure that the closing leaves 2 are not loosened randomly when being closed or expanded, and the medical staff can control the driving disc 31 to move along the length direction of the sleeve 11.

To sum up, medical personnel only need control driving-disc 31 and remove and can open or closed needle cap to be convenient for medical personnel lid needle cap after using up the syringe, and because the similar flower of whole process is opened and shut, can prevent that medical personnel's hand and syringe needle Z from taking place the contact, improve the security.

Referring to fig. 5-6, in the present invention, considering the production cost, the enclosing hinge 2 is provided with two first hinges 21 and two second hinges 22, the first hinges 21 and the second hinges 22 are both internally provided with an enclosing cavity 20, the bottom and the side of the enclosing cavity 20 are both open, and the inner wall of the enclosing cavity 20 is provided with a hinge block 20a hinged with the transmission rod 32; when the driving disk 31 moves along the length of the sleeve 11, the driving rod 32 drives the first hinge 21 and the second hinge 22 via the hinge block 20a, so as to close or open the two enclosed cavities 20.

Referring to fig. 5-13, in the embodiment of the present invention, the driving disc 31 has multiple driving manners, and the designer may select to install the micro electric screw rod or the micro electric rod on the sleeve head 1, connect the output end of the micro electric screw rod or the micro electric rod with the driving disc 31 in a driving manner, and set the power supply in the sleeve head 1, so that the driving disc 31 may be driven by the micro electric screw rod or the micro electric rod to move along the length direction of the sleeve 11; however, in order to save cost, the present invention adopts the manual control of the driving disc 31.

Specifically, first hinge 21 and second hinge 22 are all being equipped with notch 20b enclosing cavity 20 side opening part, and two notches 20b can make up into the V-arrangement groove, it is equipped with V-arrangement strip 31b to correspond the V-arrangement groove on the driving-disc 31, first hinge 21 is drawn close each other with second hinge 22 and is enclosed fashionably, two enclose cavity 20 and put through each other, two notches 20b make up into the V-arrangement groove, V-arrangement strip 31b and V-arrangement groove cooperation joint, and run through V-arrangement groove to external world, and V-arrangement strip 31b runs through one of V-arrangement groove and serves and be equipped with shifting block 310.

Before use, the first hinge 21 and the second hinge 22 are close to each other to form a closed state, the driving disc 31 is located at the topmost end of the sleeve 11, and the V-shaped strip 31b on the sleeve 11 is matched and clamped with the V-shaped groove; when the medical staff needs to open the needle cap to expose the needle head Z, the driver 31 can be controlled to move downwards along the length direction of the sleeve 11 by only downwards shifting the shifting block 310 arranged on the V-shaped strip 31b, so that the first hinge 21 and the second hinge 22 gradually expand and are far away from each other, in the process, the first hinge 21 and the second hinge 22 are gradually far away from each other, and the V-shaped groove formed by the two notches 20b is gradually disintegrated and is further separated from the V-shaped strip 31 b; when the driving disc 31 is controlled to move upwards along the length direction of the sleeve 11, the first hinge 21 and the second hinge 22 gradually approach each other, the two notches 20b gradually form V-shaped grooves, and until the driving disc 31 moves to the topmost end of the sleeve 11, the V-shaped strips 31b on the driving disc 31 are just clamped with the V-shaped grooves to ensure the tightness of the closed enclosure cavity 20.

Referring to fig. 5-8, considering that the blood attached to the needle Z of the syringe may leak from the enclosure cavity 20 after the needle Z is used, the sealing strip 21A is disposed at the opening at the side of the enclosure cavity 20 of the first hinge 21, the sealing groove 22A is disposed at the opening at the side of the enclosure cavity 20 of the second hinge 22, and when the first hinge 21 and the second hinge 22 are closed, the sealing strip 21A and the sealing groove 22A are engaged with each other.

Further, close the leakproofness after the chamber 20 is closed in order to improve, the utility model discloses well pullover 1 upper surface is equipped with sealing washer 1A, and when first hinge 21 and second hinge 22 drawn close each other and enclose, first hinge 21 and second hinge 22 enclose the opening that closes chamber 20 bottom and pullover 1 upper surface counterbalance lid close, and sealing washer 1A then offsets with first hinge 21 and second hinge 22 enclose the 20 chamber walls circumference in chamber.

Referring to fig. 3 to fig. 9, the device further includes an elastic member T, the elastic member T is sleeved on the sleeve 11, and one end of the elastic member T abuts against the upper surface of the sleeve head 1, and the other end abuts against the bottom of the driving disc 31; when the first hinge 21 and the second hinge 22 are closed, the elastic member T is in an initial state, when the driving disk 31 is moved downwards along the length direction of the sleeve 11, the elastic member T stores energy and is compressed, and when the driving disk 31 is moved upwards along the length direction of the sleeve 11, the elastic member T releases energy and recovers.

It should be noted that, in the embodiment of the present invention, the sleeve 11 and the driving disc 31 are in transition fit, and the fit strength is gradually increased from the top end to the bottom end of the sleeve 11, when the driving disc 31 is located at the bottom end of the sleeve 11, that is, when the first hinge 21 and the second hinge 22 are in the maximum expansion state, the fit strength between the sleeve 11 and the driving disc 31 is greater than the elastic force of the elastic element T during energy release recovery, so as to prevent the first hinge 21 and the second hinge 22 from being suddenly loosened when the medical staff uses the injector for injection; the matching force between the rest part of the sleeve 11 and the driving disc 31 is smaller than the elastic force of the elastic piece T when the elastic piece T releases energy to recover, namely, after the medical care personnel need to dial the dial block upwards in the length direction of the sleeve 11, the elastic piece T releases energy to recover to drive the driving disc 31 to move upwards along the length direction of the sleeve 11 until the first hinge 21 and the second hinge 22 are completely closed, in the process, the medical care personnel only need to push the dial block 310 once to separate the driving disc 31 from the bottom end of the sleeve 11 without continuously pushing the dial block manually, so that the possibility that the medical care personnel contact with the syringe needle Z is reduced; on the other hand, the design of elastic component T can also make first hinge 21 and second hinge 22 draw close each other, receive elasticity and be in the trend of drawing close each other under the prerequisite of not receiving external force all the time, guarantee that difficult emergence is become flexible and open between first hinge 21 and the second hinge 22.

The utility model provides an elastic component T preferred is the extension spring, and this extension spring adopts the elastic plastic material that accords with medical standard or is the elastic metal material, like the carbon steel wire.

Referring to fig. 5-8, a clamping block Z1 is arranged on the needle Z, a clamping groove 10 is arranged in the sleeve head 1 corresponding to the clamping block Z1, and the clamping groove 10 penetrates through the sleeve head 1 and the sleeve 11, when in use, the needle tip of the needle Z passes through the clamping groove 10, and the clamping block Z1 on the needle Z is clamped in the clamping groove 10; particularly, the clamping groove 10 in the sleeve head 1 is designed corresponding to a common needle head Z on the market, the needle head Z on the market is generally provided with two clamping blocks Z1 or four clamping blocks Z1, and a manufacturer can order the needle head according to actual requirements; the design of the clamping groove 10 can enable the anti-pricking needle cap to be matched with various needle heads Z, and the economic benefit of the anti-pricking needle cap is increased.

On the other hand, the sleeve head 1 and the corresponding needle head Z are in interference fit, but the force of the fit between the sleeve head 1 and the corresponding needle head Z is larger than the force required by the medical staff when the medical staff moves the driving disc 31, so that the sleeve head 1 is prevented from being separated from the needle head Z in the process of moving the driving disc 31 by the medical staff; furthermore, in order to avoid the above situation, the manufacturer can also use glue to stick the sleeve head 1 and the corresponding needle head Z after the sleeve head is clamped with the needle head Z.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. 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, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A hand-pricking prevention type syringe needle cap can be sleeved at a needle head (Z) of a syringe and is characterized by comprising a sleeve head (1), a closing sheet (2) and a driving piece (3); needle (Z) run through pullover (1) and be connected with pullover (1) detachably, it is equipped with a plurality ofly to enclose hinge (2), just a plurality ofly enclose hinge (2) tip and all articulate with pullover (1), driving piece (3) movably is installed on pullover (1) to be connected with a plurality of hinge (2) drives respectively, in order to order about a plurality of hinges (2) of enclosing around the pin joint swing on pullover (1), and then make a plurality ofly enclose hinge (2) mutual expansion and expose needle (Z) or draw close parcel needle (Z) each other.

2. The anti-pricking hand type syringe needle cap according to claim 1, wherein the sleeve (11) is mounted on the sleeve head (1), the driving part (3) comprises a driving disc (31) and a transmission rod (32), the driving disc (31) is movably sleeved on the sleeve (11), the driving disc (31) and the sleeve (11) are in transition fit, the transmission rod (32) is arranged corresponding to the hinge (2), and two ends of the transmission rod (32) are respectively hinged with the driving disc (31) and the hinge (2).

3. A hand-pricking prevention syringe needle cap as claimed in claim 2, wherein the enclosing hinge (2) is provided with two first hinges (21) and two second hinges (22), the first hinges (21) and the second hinges (22) are provided with enclosing cavities (20) inside, the bottoms and the sides of the enclosing cavities (20) are both in open design, and the inner walls of the enclosing cavities (20) are provided with hinge blocks (20a) hinged to the transmission rod (32).

4. The anti-pricking syringe needle cap according to claim 3, wherein the first hinge (21) and the second hinge (22) are provided with notches (20b) at the side openings of the enclosure cavity (20), the two notches (20b) can be combined into a V-shaped groove, a V-shaped strip (31b) is arranged on the driving disc (31) corresponding to the V-shaped groove, when the first hinge (21) and the second hinge (22) are closed to each other, the two enclosure cavities (20) are mutually communicated, the V-shaped strip (31b) is in fit clamping connection with the V-shaped groove and penetrates through the V-shaped groove to the outside, and a shifting block (310) is arranged at one end of the V-shaped strip (31b) penetrating through the V-shaped groove.

5. The anti-pricking syringe needle cap according to claim 4, wherein a sealing strip (21A) is arranged at an opening on the side of the enclosure cavity (20) of the first hinge (21), a sealing groove (22A) is arranged at an opening on the side of the enclosure cavity (20) of the second hinge (22), and when the first hinge (21) and the second hinge (22) are mutually closed and enclosed, the sealing strip (21A) is in matched clamping connection with the sealing groove (22A).

6. A hand-pricking prevention syringe needle cap as claimed in claim 3, wherein a sealing ring (1A) is arranged on the upper surface of the sleeve head (1), when the first hinge (21) and the second hinge (22) are closed, an opening at the bottom of the closed cavity (20) of the first hinge (21) and the second hinge (22) is abutted against the upper surface of the sleeve head (1) to be covered, and the sealing ring (1A) is abutted against the circumference of the cavity wall of the closed cavity (20) of the first hinge (21) and the second hinge (22).

7. The anti-pricking hand type syringe needle cap of claim 2, further comprising an elastic member (T), wherein the elastic member (T) is sleeved on the sleeve (11), one end of the elastic member (T) abuts against the upper surface of the sleeve head (1), and the other end of the elastic member (T) abuts against the bottom of the driving disk (31).

8. The anti-pricking hand syringe needle cap as claimed in claim 1, wherein a latch (Z1) is provided on the needle (Z), a catch (10) is provided inside the casing head (1) corresponding to the latch (Z1), and the catch (10) is designed to penetrate through the casing head (1).

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