CN216762918U - Double-material vacuum needle - Google Patents

Abstract

The utility model discloses a double-material vacuum needle, which comprises a needle cylinder and an outer needle tube arranged below the needle cylinder, wherein two independent storage cavities and a mixing cavity are arranged in the needle cylinder; the discharge hole of the storage cavity is communicated with the inlet of the mixing cavity, and the outlet of the mixing cavity is connected with the outer needle tube. The two paste bodies can be independently packaged, when the paste extruding machine is used, the two paste bodies can be quantitatively pushed only by rotating the knob at the tail part, and the paste extruding machine is used after the paste bodies are mixed at the head part, and is simple in structure and convenient and fast to use.

Description

Double-material vacuum needle

Technical Field

The utility model belongs to the technical field of cosmetic packaging, and particularly relates to a double-material vacuum needle.

Background

The cosmetic packaging bottle is a packaging bottle for packaging and storing cosmetics, is widely used in production and use occasions of the cosmetics, is an indispensable storage and packaging container for the cosmetics, and has a good packaging and use effect. With the gradual improvement of the use demand of cosmetics, the use demand of people on cosmetic packaging bottles is also gradually improved, but most of the existing cosmetic packaging bottles are single cavities and used for storing single cosmetics, and because the cosmetics used for one-time makeup are more in variety, a plurality of packages need to be carried outside, and more bottle cans need to be carried, so that the demands of people cannot be met. Some cream or jelly cosmetic components need to be stored separately in a separate container before use, and the increase of the bottle, bottle and can not only occupies space but also increases the carrying and storing cost, so that the cream or jelly cosmetic components are not portable enough. In addition, some cosmetics used in combination require manual mixing by opening 2 bottles or cans, and the amount of each ingredient is not easy to control, which causes great inconvenience in use.

Disclosure of Invention

The utility model aims to overcome the defects and provides a double-material vacuum needle, two kinds of paste can be independently packaged by using two small containers in a large container system, and 2 kinds of cosmetic paste can be stored only by carrying one container when going out; and the extrusion component is controllable, and the paste can be extruded in a controlled amount and mixed for use only by manually rotating the tail part.

In order to achieve the purpose, the utility model adopts the following technical scheme: a double-material vacuum needle comprises a needle cylinder and an outer needle tube arranged below the needle cylinder, wherein two independent storage cavities and a mixing cavity are arranged in the needle cylinder, a screw rod is arranged in each storage cavity, a gear is arranged on each screw rod, a knob and a small piston are respectively arranged at the front end and the rear end of each screw rod, and one end of each knob extends out of the upper end of the needle cylinder; the discharge hole of the storage cavity is communicated with the inlet of the mixing cavity, and the outlet of the mixing cavity is connected with the outer needle tube.

Furthermore, the discharge hole of the storage cavity is provided with an inner needle tube, and one end of the inner needle tube extends into the mixing cavity.

Furthermore, the syringe also comprises a limiting piece, wherein the limiting piece is assembled with the syringe, and the storage cavity is embedded into a groove of the limiting piece.

Further, a cylinder assembled with the knob is further arranged in the needle cylinder, threads matched with the screw rod are arranged on the inner wall of the cylinder, a clamping groove is formed in the bottom surface of the cylinder, a clamping protrusion is arranged at the upper end of the gear, and the clamping protrusion is matched with the clamping groove.

Furthermore, the knob is a columnar knob, the cylinder is embedded into the bottom of the columnar knob, a plurality of convex blocks are symmetrically arranged on the outer wall of the cylinder, and a notch corresponding to the convex blocks is formed in the bottom of the columnar knob.

Furthermore, a large piston is arranged in the mixing cavity, and the top of the large piston is matched with the cross section of the mixing cavity.

Furthermore, a spring is arranged in the mixing cavity, the upper end of the spring is contacted with the upper end of the large piston, and the lower end of the large piston penetrates through the center of the spring.

Furthermore, the small piston or the large piston is made of rubber; or the spring is made of plastic or is of a hollow cylindrical structure.

Further, the needle cylinder comprises a cylindrical body and a mixing part which are detachably connected; the storage cavity and the mixing cavity are respectively positioned in the cylindrical body and the mixing part.

Further, the mixing cavity adopts an inverted cone shape; or, the storage cavity is made of glass.

Furthermore, the syringe also comprises an end cover which is detachably connected with the syringe; one end of the knob extends outwards from the syringe through the end cover.

By adopting the technical scheme of the utility model, the utility model has the beneficial effects that: the two pastes which are independently packaged in the two small containers can be slowly extruded out of the same outer chamber by utilizing the driving force of the rotation of the screw threads, and are uniformly mixed and then simultaneously extruded for use. The paste packaging bag is suitable for containing paste which needs to be independently packaged and has special functions before use; the paste is accurately and quantitatively output by utilizing each circle of rotation of the screw thread, and the paste is particularly suitable for expensive paste containing active substances; simple structure, unique shape, reasonable man-machine engineering, and convenient and quick storage and use.

Drawings

FIG. 1 is a perspective view of a dual material vacuum needle;

FIG. 2 is a cross-sectional view of a dual material vacuum needle;

fig. 3 is a disassembled state diagram of a dual material vacuum needle.

In the figure: 1 syringe, 101 cylinder body, 102 mixing portion, 2 outer syringe, 3 storage chambers, 4 mixing chambers, 5 screws, 6 gears, 61 blocking protrusions, 7 small pistons, 8 knobs, 81 notches, 9 large pistons, 10 limiting parts, 11 end covers, 12 inner syringes, 13 grooves, 14 cylinders, 141 clamping grooves, 142 bumps and 15 springs.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings, so that the technical solutions can be more clearly and clearly understood.

As shown in fig. 1 and 2, the present embodiment discloses a dual-material vacuum needle, which mainly includes a needle cylinder 1, an outer needle tube 2 disposed below the needle cylinder, two independent storage cavities 3, a mixing cavity 4, a screw 5, a gear 6, a small piston 7, a knob 8, a large piston 9, a limiting member 10, an end cap 11, an inner needle tube 12, and other components.

Two storage cavities 3 and a mixing cavity 4 are arranged in the needle cylinder 1, the two storage cavities 3 are arranged in parallel, the mixing cavity 4 is arranged at the bottoms of the two storage cavities 3, a discharge hole of the storage cavity 4 is communicated with an inlet of the mixing cavity 5, and an outlet of the mixing cavity 5 is connected with the outer needle tube 2; each storage cavity 3 is internally provided with a screw rod 5, the screw rod 5 is sleeved with a gear 6, the front end and the rear end of the screw rod 5 are respectively provided with a knob 8 and a small piston 7, and one end of the knob 8 extends out of the upper end of the needle cylinder 1. Each storage cavity 3 can independently store one paste, and the screw 5 is driven to move downwards by rotating the knob 8 to drive the small piston 7 to extrude the paste in the storage cavity 3; the two pastes can then be mixed in the mixing chamber 5 and then output from the outer needle tube 2 for use by the user.

In order to enhance the discharging effect of the storage chamber 3, an inner needle tube 12 is arranged at the discharging port of the storage chamber, and one end of the inner needle tube 12 extends into the mixing chamber 5, preferably, the inner needle tube is arranged to extend into the middle-lower section of the mixing chamber 5.

Because two storage chamber 3 independently place in cylinder 1, in order to avoid both aversions, carry out the rigidity to two storage chamber, still set up one on cylinder 1 and assemble locating part 10 with the cylinder, it has 2 symmetrical recesses 13 to open on locating part 10, storage chamber 3 imbeds in the recess 13 of locating part 10. Specifically, the assembly with the syringe is to open a through hole on the syringe 1, place the limiting element inside the syringe 1, and complete the assembly and fixation with the syringe 1 with one end extending outside through the through hole, and set a detachable fixing button (preferably, the size of the fixing button is larger than that of the through hole) at the end of the limiting element 10 extending outside through the through hole (i.e., outside the syringe), as shown in fig. 1.

The syringe 1 is also internally provided with a cylinder 14 assembled with the knob 8, the inner wall of the cylinder 14 is provided with a thread adapted to the screw 5, the screw 5 passes through the cylinder 14, the bottom surface of the cylinder 14 is provided with a clamping groove 141, the upper end of the gear 6 is provided with a clamping protrusion 61, and the clamping protrusion 61 is adapted to the clamping groove 141. When the paste mixing device is used, a user rotates the knob 8 to drive the cylinder 14 and further drive the screw rod 5 to press downwards, and the small piston 7 on the screw rod 5 extrudes paste in the storage cavity into the mixing cavity 4 from the inner needle tube 12 of the discharge hole. Through the cooperation of the clamping groove and the clamping protrusion, the knob 8 drives the cylinder 14 to rotate, and paste is accurately and quantitatively output by utilizing each circle of rotation of the threads.

Preferably, the knob 8 shown in this embodiment is a cylindrical knob, which is hollow, and has one end extending into the syringe 1 and the other end extending out. The cylinder 14 is embedded from the bottom of the cylindrical knob, a plurality of bumps 142 are symmetrically arranged on the outer wall of the cylinder 14, and a notch 81 corresponding to the bump 142 is formed at the bottom of the cylindrical knob. The knob 8 and the cylinder 14 are connected and fixed by the engagement of the notch 81 and the projection 142.

In order to enhance the extrusion effect, a large piston 9 is arranged in the mixing cavity 4, and the top of the large piston 9 is matched with the cross section of the mixing cavity 4. A spring 15 is further arranged in the mixing cavity 4, the upper end of the spring 15 is contacted with the upper end of the large piston 9, and the lower end of the large piston 9 penetrates through the center of the spring 15.

The spring 15 of this embodiment is of a hollow cylindrical structure, and the whole spring is made of elastic materials such as plastics.

The small piston 7 or the large piston 9 is made of rubber. The mixing cavity 4 adopts an inverted cone shape, and the paste body can be conveniently extruded to slide downwards and flow out by utilizing the inclined plane and the self gravity of the paste body. The storage chamber 3 is shown as being of glass.

In a preferred embodiment, said needle cartridge 1 comprises a cylindrical body 101 and a mixing portion 102, both mounted by means of a threaded connection; the storage chamber 3 and the mixing chamber 4 are respectively positioned in the cylindrical body 101 and the mixing part 102.

Preferably, the syringe also comprises an end cover 11 which is detachably connected with the syringe, and the end cover is provided with a hole, and the size of the hole is slightly larger than that of the knob; one end of the knob 8 penetrates through the end cover 11 from the inside of the needle cylinder 1 and extends outwards, a limiting bulge with the size larger than the hole can be arranged on the knob 8, when the knob penetrates out of the end cover 11, the knob is prevented from being separated through the limiting bulge, and the knob is assembled between the needle cylinder and the end cover.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A double-material vacuum needle is characterized by comprising a needle cylinder and an outer needle tube arranged below the needle cylinder, wherein two independent storage cavities and a mixing cavity are arranged in the needle cylinder, a screw rod is arranged in each storage cavity, a gear is arranged on each screw rod, a knob and a small piston are respectively arranged at the front end and the rear end of each screw rod, and one end of each knob extends out of the upper end of the needle cylinder; the discharge hole of the storage cavity is communicated with the inlet of the mixing cavity, and the outlet of the mixing cavity is connected with the outer needle tube.

2. The dual material vacuum needle as claimed in claim 1, wherein the discharge port of the storage chamber is provided with an inner needle tube having one end protruding into the mixing chamber.

3. The dual-material vacuum needle as claimed in claim 1, further comprising a stopper, wherein the stopper is assembled with the needle cylinder, and the storage chamber is inserted into a groove of the stopper.

4. The dual-material vacuum needle as claimed in claim 1, wherein a cylinder assembled with the knob is further arranged in the cylinder, threads matched with the screw rod are arranged on the inner wall of the cylinder, a clamping groove is formed in the bottom surface of the cylinder, a clamping protrusion is arranged at the upper end of the gear, and the clamping protrusion is matched with the clamping groove.

5. The dual-material vacuum needle as claimed in claim 4, wherein the knob is a cylindrical knob, the cylinder is embedded in the bottom of the cylindrical knob, the outer wall of the cylinder is symmetrically provided with a plurality of protrusions, and the bottom of the cylindrical knob is provided with notches corresponding to the protrusions.

6. The dual material vacuum needle as claimed in claim 1, wherein a large piston is provided in the mixing chamber, and the top of the large piston is adapted to the cross section of the mixing chamber.

7. The dual material vacuum needle as claimed in claim 6, wherein a spring is further provided in the mixing chamber, an upper end of the spring contacts an upper end of the large piston, and a lower end of the large piston passes through a center of the spring.

8. The dual-material vacuum needle as claimed in claim 7, wherein the small piston or the large piston is made of rubber; or the spring is made of plastic or is of a hollow cylindrical structure.

9. The dual material vacuum needle as claimed in claim 1, wherein the cylinder comprises a cylindrical body and a mixing part, which are detachably connected; the storage cavity and the mixing cavity are respectively positioned in the cylindrical body and the mixing part.

10. The double-material vacuum needle as claimed in claim 1, further comprising an end cap detachably connected to the needle cylinder; one end of the knob extends outwards from the inside of the syringe through the end cover;

or, the mixing cavity adopts an inverted cone shape;

or, the storage cavity is made of glass.

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