CN211374648U - Convenient-to-use micro sample application needle - Google Patents

Abstract

The utility model discloses a trace sample application needle convenient to use, including the cylinder, the inside of cylinder is equipped with the barrel casing, the inside piston connection of barrel casing has the wire push rod, the top of wire push rod pushes away the handle through connecting piece fixedly connected with, the bottom fixed mounting of cylinder has threaded connection head, nut cover fixedly connected with syringe needle is passed through to threaded connection head's bottom, threaded connection head's outside is equipped with supporting mechanism, it is equipped with guiding mechanism to push away between handle and the cylinder, supporting mechanism is including spliced pole, first supporting legs and second supporting legs, the one end and the threaded connection head fixed connection of spliced pole. A trace sample application needle convenient to use, can conveniently place the trace sample application needle on the mesa to can avoid syringe needle contact mesa, secondly can play the effect of supporting the direction for the wire push rod, reduce the phenomenon that the wire push rod is crooked, warp, the practicality is higher.

Description

Convenient-to-use micro sample application needle

Technical Field

The utility model relates to a trace sample application needle field, in particular to trace sample application needle convenient to use.

Background

The micro sample application needle is one of manual sample injectors, is classified into a flat-head sample application needle and a pointed needle head, can be used for analysis in units of scientific research, chemical engineering, oil refining, hospitals and the like, is particularly suitable for liquid analysis of a gas chromatograph and a liquid chromatograph, and can only contain and extrude a small amount of liquid in a common injector, so the micro sample application needle is called as the micro sample application needle; trace point sample needle is when using, on the mesa need be placed, the user avoids syringe needle and mesa contact, can set up the rack on the mesa usually, it is very inconvenient to use, secondly the push rod because of trace point sample needle is a wire, and is thinner, and also longer moreover, when promoting, cause the phenomenon of crooked deformation very easily, be unfavorable for the life of trace point sample needle, the result of use of whole trace point sample needle has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a trace sample application needle convenient to use can effectively solve the not convenient enough phenomenon problem that leads to push rod bending deformation easily of use among the background art.

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

the utility model provides a trace sample application needle convenient to use, includes the cylinder, the inside of cylinder is equipped with the barrel casing, the inside piston connection of barrel casing has the wire push rod, connecting piece fixedly connected with pushes away the handle on the top of wire push rod, the bottom fixed mounting of cylinder has threaded connection head, threaded connection head's bottom is through nut cover fixedly connected with syringe needle, threaded connection head's outside is equipped with supporting mechanism, it is equipped with guiding mechanism to push away between handle and the cylinder.

Preferably, the supporting mechanism comprises a connecting column, a first supporting leg and a second supporting leg, one end of the connecting column is fixedly connected with the threaded connector, and one ends of the first supporting leg and the second supporting leg are fixedly connected with the connecting column.

Preferably, the first supporting legs and the second supporting legs are arranged in an inverted V shape, and the other ends of the first supporting legs and the second supporting legs are fixedly connected with anti-skid pads.

Preferably, guiding mechanism is including fixed guide bar, activity guide bar and connection guide bar, the one end fixed mounting of fixed guide bar is in the top both sides position of cylinder, the one end swing joint of activity guide bar is in the inside of fixed guide bar, the one end fixed connection of connecting the guide bar is in the bottom both sides position that pushes away the handle, the other pot head of connecting the guide bar is established at the other end of activity guide bar.

Preferably, the outer surface of the needle cylinder is provided with a dial gauge, and adhesion meters are arranged between the non-slip mat and the first supporting leg and between the non-slip mat and the second supporting leg.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses in, through the bearing structure who sets up, through the font space of falling V that first supporting legs and second supporting legs propped up, can the person of facilitating the use place the trace sample application needle on the mesa, and avoid syringe needle and mesa contact, excellent in use effect, and is more convenient, through the guiding mechanism who sets up, can form the support for the both sides of wire push rod, avoid leading to the wire push rod to produce the phenomenon crooked when promoting, deformation, reduce the phenomenon that trace sample application needle damaged, excellent in use effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a micro sample application needle convenient for use;

FIG. 2 is a schematic structural view of a supporting structure and a threaded connector of a micro sample application needle convenient to use according to the present invention;

fig. 3 is a schematic structural view of a guide mechanism of a micro sample application needle convenient to use.

In the figure: 1. a needle cylinder; 2. a dial gauge; 3. a barrel sleeve; 4. a wire push rod; 5. a connecting member; 6. a push handle; 7. a threaded connector; 8. a nut sleeve; 9. a needle head; 10. a support mechanism; 11. connecting columns; 12. a first supporting leg; 13. a second support leg; 14. a non-slip mat; 15. a guide mechanism; 16. fixing the guide rod; 17. a movable guide bar; 18. and a guide rod is connected.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a trace sample application needle convenient to use comprises a needle cylinder 1, wherein a cylinder sleeve 3 is arranged inside the needle cylinder 1, a piston inside the cylinder sleeve 3 is connected with a metal wire push rod 4, the top end of the metal wire push rod 4 is fixedly connected with a push handle 6 through a connecting piece 5, the bottom end of the needle cylinder 1 is fixedly provided with a threaded connector 7, the bottom of the threaded connector 7 is fixedly connected with a needle head 9 through a nut sleeve 8, a supporting mechanism 10 is arranged outside the threaded connector 7, and a guiding mechanism 15 is arranged between the push handle 6 and the needle cylinder 1;

the supporting mechanism 10 comprises a connecting column 11, a first supporting leg 12 and a second supporting leg 13, one end of the connecting column 11 is fixedly connected with the threaded connector 7, one ends of the first supporting leg 12 and the second supporting leg 13 are both fixedly connected with the connecting column 11, and through the arrangement of the supporting mechanism 10, the inverted V-shaped space supported by the first supporting leg 12 and the second supporting leg 13 can facilitate a user to place a trace sample application needle on a table board and avoid the contact of a needle head 9 and the table board, so that the using effect is better and more convenient; the first supporting leg 12 and the second supporting leg 13 are arranged in an inverted V shape, and the other ends of the first supporting leg 12 and the second supporting leg 13 are fixedly connected with anti-skid pads 14; the guide mechanism 15 comprises a fixed guide rod 16, a movable guide rod 17 and a connecting guide rod 18, one end of the fixed guide rod 16 is fixedly arranged at two side positions of the top of the needle cylinder 1, one end of the movable guide rod 17 is movably connected inside the fixed guide rod 16, one end of the connecting guide rod 18 is fixedly connected at two side positions of the bottom of the push handle 6, the other end of the connecting guide rod 18 is sleeved at the other end of the movable guide rod 17, and through the arrangement of the guide mechanism 15, the support can be formed for two sides of the metal wire push rod 4, so that the phenomenon that the metal wire push rod 4 is bent and deformed when being pushed is avoided, the phenomenon that a trace sample application needle is damaged is reduced, and the use effect is better; the outer surface of the needle cylinder 1 is provided with a dial gauge 2, and adhesion meters are arranged between the non-slip mat 14 and the first supporting leg 12 and between the non-slip mat and the second supporting leg 13.

It should be noted that the utility model relates to a micro sample application needle convenient to use, when using, at first place syringe needle 9 in the liquid, then utilize push handle 6 to stimulate wire push rod 4, thereby suck the liquid into barrel casing 3, then insert syringe needle 9 to the position of using and utilize push handle 6 to promote wire push rod 4 and can extrude the liquid, on the way of using, people can utilize supporting mechanism 10 to place whole micro sample application needle on the mesa, the space of the inverted V-shape that has been supported up through first supporting legs 12 and second supporting legs 13 is as the fulcrum, then through the top of syringe 1 as another fulcrum, can support whole micro sample application needle, and can guarantee that syringe needle 9 can not contact the mesa, the result of use is better, it is more convenient to use, secondly when people utilize push handle 6 to promote wire push rod 4, connect guide bar 18, activity guide bar 17 and fixed guide bar 16 can play the effect of direction, also can form the support simultaneously, avoid wire push rod 4 to produce the phenomenon of bending, deformation when promoting, reduce the phenomenon that trace point sample needle damaged, fixed guide bar 16 in addition, activity guide bar 17 and connection guide bar 18 belong to the connected mode that the ring overlaps mutually, can realize freely using flexible, can not influence the normal use of trace point sample needle, and is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A trace sample application needle convenient to use is characterized in that: including cylinder (1), the inside of cylinder (1) is equipped with barrel casing (3), the inside piston connection of barrel casing (3) has wire push rod (4), the top of wire push rod (4) pushes away handle (6) through connecting piece (5) fixedly connected with, the bottom fixed mounting of cylinder (1) has threaded connection head (7), nut cover (8) fixedly connected with syringe needle (9) are passed through to the bottom of threaded connection head (7), the outside of threaded connection head (7) is equipped with supporting mechanism (10), it is equipped with guiding mechanism (15) to push away between handle (6) and cylinder (1).

2. A micro print needle convenient for use according to claim 1, wherein: supporting mechanism (10) are including spliced pole (11), first supporting legs (12) and second supporting legs (13), the one end and the threaded connector (7) fixed connection of spliced pole (11), the one end of first supporting legs (12) and second supporting legs (13) all with spliced pole (11) fixed connection.

3. A micro print needle convenient for use according to claim 2, wherein: the supporting legs are characterized in that the first supporting legs (12) and the second supporting legs (13) are arranged in an inverted V shape, and anti-slip pads (14) are fixedly connected to the other ends of the first supporting legs (12) and the second supporting legs (13).

4. A micro print needle convenient for use according to claim 1, wherein: guiding mechanism (15) are including fixed guide bar (16), activity guide bar (17) and connection guide bar (18), the one end fixed mounting of fixed guide bar (16) is in the top both sides position of cylinder (1), the one end swing joint of activity guide bar (17) is in the inside of fixed guide bar (16), the one end fixed connection of connecting guide bar (18) is in the bottom both sides position that pushes away handle (6), the other pot head of connecting guide bar (18) is established at the other end of activity guide bar (17).

5. A micro print pin for convenient use according to claim 3, wherein: the outer surface of the needle cylinder (1) is provided with a dial gauge (2), and adhesives are arranged between the non-slip mat (14) and the first supporting leg (12) and between the non-slip mat and the second supporting leg (13).

Images