CN220788037U - Filling needle - Google Patents

Abstract

The utility model discloses a filling needle head, which comprises a needle tube main body and a connecting part, wherein a sealing cavity is arranged between the needle tube main body and the connecting part, a sealing mechanism is arranged on the inner side of the sealing cavity, the sealing mechanism comprises mutually symmetrical sealing blocks, an annular frame is arranged on the inner side of the connecting part, and an extrusion mechanism is arranged on the annular frame and above the sealing blocks. The beneficial effects of the utility model are as follows: through being provided with sealing mechanism and extrusion mechanism, in carrying out the filling in-process, through movable rod, trapezoidal push pedal and disc mutually supporting, can extrude the extrusion inclined plane, make the quick separation of the sealing block of left and right sides to make things convenient for the liquid flow to carry out the filling, after the filling is accomplished, under the elastic action of spring, can make the sealing block closely laminate, under sealed cavity and sealing block mutually supporting, can seal the top of needle tubing main part.

Description

Filling needle

Technical Field

The utility model relates to a filling needle, in particular to a filling needle, and belongs to the technical field of filling needles.

Background

The liquid filling machine is mainly used for filling and packaging various liquid products, and the filling needle is a filling assembly part of the liquid filling machine and is mainly used for filling small-caliber bottles and hose packaging products.

In the prior art, a filling needle is usually arranged at the tail end of a liquid outlet pipeline of a liquid filling machine when in use, and fluid is guided during filling so that the fluid enters the small-caliber bottle.

The inside sealed effect of current filling syringe needle is general, and after the liquid filling machine was filled, the inside residual liquid of liquid pipeline easily drips down along the filling syringe needle and leaks, leads to the filling bench of liquid filling machine to remain there is more liquid stain to easily make the end of filling syringe needle receive the pollution, and then influence the quality of filling product, consequently we have proposed a filling syringe needle.

Disclosure of Invention

The technical scheme is that the filling needle comprises a needle tube main body and a connecting part, a sealing cavity is arranged between the needle tube main body and the connecting part, a sealing mechanism is arranged on the inner side of the sealing cavity, the sealing mechanism comprises mutually symmetrical sealing blocks, mutually symmetrical springs are arranged on the inner side of the sealing cavity, an annular frame is arranged on the inner side of the connecting part, an extrusion mechanism is arranged on the annular frame and above the sealing blocks, and the extrusion mechanism comprises a movable rod and a trapezoid push plate, and the movable rod is connected with the annular frame in a sliding mode.

Preferably, a plurality of tapered rings which are uniformly distributed are arranged on the outer wall of the connecting component.

Preferably, the sealing block is in sliding connection with the sealing cavity, and an extrusion inclined plane is arranged at the top of the sealing block.

Preferably, the spring is arranged between the sealing block and the inner wall of the sealing cavity.

Preferably, the bottom of the sealing block is provided with mutually symmetrical movable balls, and the movable balls are movably connected with the sealing block.

Preferably, a trapezoid push plate is arranged at the bottom of the movable rod and above the extrusion inclined plane.

Preferably, a disc is arranged at the top of the movable rod.

The beneficial effects of the utility model are as follows: through being provided with sealing mechanism, after the filling is accomplished, under the elastic action of spring, can make the closely laminating of sealing block, under sealed cavity and sealing block mutually support, can seal the top of needle tubing main part to effectively prevent that the drip phenomenon from appearing in the needle tubing main part, conveniently pack the liquid, through being provided with extrusion mechanism, in carrying out the filling process, through movable rod, trapezoidal push pedal and disc mutually support, can extrude the extrusion inclined plane, make the quick separation of the sealing block of left and right sides, thereby make things convenient for liquid flow to carry out the filling.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is a cross-sectional view of the main structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the sealed cavity of the present utility model;

FIG. 4 is a schematic view of the seal block structure of the present utility model.

In the figure: 1. a needle tube main body; 2. a connecting member; 21. a conical ring; 3. sealing the cavity; 31. a sealing block; 311. extruding the inclined plane; 32. a spring; 33. a movable ball; 4. an annular frame; 41. a movable rod; 42. a trapezoidal push plate; 43. a disk.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model discloses a filling needle head.

According to the drawings from 1 to 4, the needle tube comprises a needle tube main body 1 and a connecting part 2, a sealing cavity 3 is arranged between the needle tube main body 1 and the connecting part 2, a sealing mechanism is arranged on the inner side of the sealing cavity 3, and the sealing mechanism comprises mutually symmetrical sealing blocks 31 for performing drip-proof sealing on the top of the needle tube main body 1;

the inboard of connecting component 2 is provided with annular frame 4, and annular frame 4 is gone up and is located the top of sealing block 31 and be provided with extrusion mechanism for promote sealing block 31 and remove, conveniently fill.

The outer wall of the connecting part 2 is provided with a plurality of conical rings 21 which are uniformly distributed, the connecting part 2 is connected with a pipeline of the filling machine, and the conical rings 21 are arranged on the outer side of the connecting part 2 and are in anti-falling action.

Sealing block 31 and sealed cavity 3 sliding connection, the top of sealing block 31 is provided with extrusion inclined plane 311, when filling, conveniently promotes sealing block 31 outside slip through extrusion inclined plane 311, makes sealing block 31 remove the seal to needle tubing main part 1, conveniently fills.

The inside of sealed cavity 3 is provided with the spring 32 of mutual symmetry, and spring 32 sets up between sealing block 31 and the inner wall of sealed cavity 3, and when not filling, the elastic action of spring 32 can promote the closely laminating of sealing block 31 of left and right sides to seal needle tubing main part 1, prevent to take place to drip.

The bottom of sealing piece 31 is provided with mutual symmetrical movable ball 33, and movable ball 33 and sealing piece 31 swing joint, the bottom of movable ball 33 and sealed cavity 3 contact, make things convenient for sealing piece 31 to remove through movable ball 33.

The extrusion mechanism comprises a movable rod 41 and a trapezoid push plate 42, the movable rod 41 is in sliding connection with the annular frame 4, the trapezoid push plate 42 is arranged at the bottom of the movable rod 41 and above the extrusion inclined plane 311, and when the movable rod 41 moves downwards, the trapezoid push plate 42 can be driven to extrude the extrusion inclined plane 311, so that the sealing block 31 can move outwards conveniently.

The top of movable rod 41 is provided with disc 43, and when filling, disc 43 and filling fluid large tracts of land contact, and filling fluid can exert pressure to disc 43 to make things convenient for movable rod 41 to drive trapezoidal push pedal 42 and extrude sealing block 31.

When the utility model is used, firstly, the connecting part 2 is connected with a pipeline of a filling machine, the needle tube main body 1 is fixed, and the conical ring 21 is prevented from falling off on the outer wall of the connecting part 2;

further, when filling is performed, the filling fluid flows downwards through the connecting part 2, the filling fluid contacts with the disc 43, downward pressure is applied to the disc 43, the movable rod 41 drives the trapezoid push plate 42 to move downwards, the trapezoid push plate 42 extrudes the sealing block 31, the sealing block 31 gradually moves outwards and the spring 32 gradually compresses, and then the filling fluid contacts with the extrusion inclined plane 311 to continuously extrude the sealing block 31 and enable the filling fluid to flow out through the needle tube main body 1 for filling;

further, after filling is completed, the spring 32 elastically pushes the sealing block 31 to move, so that the sealing blocks 31 on the left side and the right side are gradually close to each other, and meanwhile, the sealing block 31 extrudes the trapezoid pushing plate 42 through the extrusion inclined plane 311, so that the trapezoid pushing plate 42 drives the movable rod 41 to move upwards, and when the sealing blocks 31 on the left side and the right side are contacted, the top of the needle tube main body 1 is sealed, so that fluid leakage is prevented.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a filling syringe needle, includes needle tubing main part (1) and adapting unit (2), its characterized in that: the needle tube comprises a needle tube body (1) and a connecting part (2), wherein a sealing cavity (3) is arranged between the needle tube body (1) and the connecting part (2), a sealing mechanism is arranged on the inner side of the sealing cavity (3), the sealing mechanism comprises a sealing block (31) which is symmetrical with each other, a spring (32) which is symmetrical with each other is arranged on the inner side of the sealing cavity (3), an annular frame (4) is arranged on the inner side of the connecting part (2), an extrusion mechanism is arranged on the annular frame (4) and above the sealing block (31), the extrusion mechanism comprises a movable rod (41) and a trapezoid pushing plate (42), and the movable rod (41) is in sliding connection with the annular frame (4).

2. A filling needle according to claim 1, wherein: the outer wall of the connecting part (2) is provided with a plurality of conical rings (21) which are uniformly distributed.

3. A filling needle according to claim 1, wherein: the sealing block (31) is in sliding connection with the sealing cavity (3), and an extrusion inclined plane (311) is arranged at the top of the sealing block (31).

4. A filling needle according to claim 1, wherein: the spring (32) is arranged between the sealing block (31) and the inner wall of the sealing cavity (3).

5. A filling needle according to claim 1, wherein: the bottom of the sealing block (31) is provided with mutually symmetrical movable balls (33), and the movable balls (33) are movably connected with the sealing block (31).

6. A filling needle according to claim 1, wherein: the bottom of the movable rod (41) is provided with a trapezoid push plate (42) above the extrusion inclined plane (311).

7. A filling needle according to claim 1, wherein: a disc (43) is arranged at the top of the movable rod (41).