Food filling injector

Abstract

The utility model relates to the technical field of injectors, in particular to a food filling injector which comprises a large-pipe-diameter needle cylinder, a small-pipe-diameter needle cylinder, a large plunger rod, a large plunger, a small plunger rod and a small plunger. A large plunger rod is arranged in the large-pipe-diameter needle cylinder, a large plunger is arranged at the bottom of the large plunger rod, the interior of the large plunger rod is designed to be hollow, a vertically-through through hole is formed in the large plunger rod, the through hole penetrates through the large plunger at the bottom, a small-pipe-diameter needle cylinder is arranged in the through hole, a small plunger rod is arranged in the small-pipe-diameter needle cylinder, and a small plunger is arranged at the bottom of the small plunger rod. The small-pipe-diameter needle cylinder is arranged in the large plunger rod in the large-pipe-diameter needle cylinder, and the small-pipe-diameter needle cylinder and the large plunger rod are designed in a detachable mode, can be used independently and do not affect each other, and are matched with the detachable small conical head, so that the food filling injector can meet the two different functions of food filling and pipeline flushing at the same time. And the problem of different requirements on the pipe diameter of the injector in different use scenes is solved.

Description

Technical Field

[0001] This utility model relates to the field of syringe technology, specifically to a feeding syringe. Background Technology

[0002] Currently, the syringes used for feeding in clinical settings are large-capacity syringes with large tube diameters, while the feeding tubes have relatively small diameters. Therefore, there is greater resistance when injecting water or liquid food, especially when the feeding tube is opened or blocked and needs to be flushed. Due to the high resistance, the flushing effect cannot be achieved, and it is often necessary to replace the feeding tube with a syringe with a small tube diameter to flush and unclog the feeding tube, which is a cumbersome operation. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a feeding syringe, including a large-diameter syringe, a small-diameter syringe, a large-plunger rod, a large plunger, a small-plunger rod, and a small plunger;

[0004] The large-diameter syringe has a large plunger rod inside, and a large plunger is located at the bottom of the large plunger rod. The large plunger rod has a hollow design inside, with a through hole running vertically through it. The through hole leads to the large plunger at the bottom, and a small-diameter syringe is located inside the through hole. The small-diameter syringe has a small plunger rod inside, and a small plunger is located at the bottom of the small plunger rod.

[0005] Preferably, the large-diameter syringe is provided with a booster at the upper end, and two large slots are symmetrically provided on the upper surface of the booster. The large slots are open on the right side and closed on the left side in a clockwise direction.

[0006] Preferably, the upper end of the large plunger rod is provided with a platform, and the upper surface of the platform is symmetrically provided with two small slots. The small slots are open on the left and closed on the right in a clockwise direction.

[0007] Preferably, the opening directions of the large and small card slots are opposite.

[0008] Preferably, the large plunger rod is symmetrically provided with two large plunger rod buckles, which correspond to two large slots; the small plunger rod is symmetrically provided with two small plunger rod buckles, which correspond to small slots.

[0009] Preferably, the outer surface of the large-diameter syringe is provided with a first scale, and the small plunger rod is provided with a second scale.

[0010] Preferably, the bottom of the large-diameter syringe is equipped with a detachable small cone, which is connected to the large-diameter syringe by multiple elastic ropes.

[0011] The technical effects and advantages of this utility model are as follows:

[0012] This invention incorporates a small-diameter syringe within a large-diameter plunger rod inside a large-diameter syringe. The two syringes are detachable and can be used independently without affecting each other. Combined with a detachable small cone, this feeding syringe can simultaneously fulfill two different functions: feeding and flushing the tubing. This solves the problem of different syringe diameter requirements in different usage scenarios. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a feeding syringe provided in an embodiment of this application;

[0014] Figure 2 This is a top view of the large plunger rod buckle and large slot, and the small plunger rod buckle and small slot in a feeding syringe provided in this application embodiment;

[0015] Figure 3 This is a front view of a feeding syringe provided in this application, in which the small plunger and large plunger are separated, and a small-diameter syringe is used.

[0016] In the picture:

[0017] 1. Large-diameter syringe; 2. Small-diameter syringe; 3. Large plunger rod; 4. Large plunger; 5. Small plunger rod; 6. Small plunger; 7. Booster; 8. Platform; 9. Large plunger rod latch; 10. Small plunger rod latch; 11. First scale; 12. Second scale; 13. Detachable small cone; 14. Elastic rope; 701. Large slot; 801. Small slot. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.

[0019] Example

[0020] Please see Figures 1-3This embodiment provides a feeding syringe, including a large-diameter syringe 1, a small-diameter syringe 2, a large plunger rod 3, a large plunger 4, a small plunger rod 5, and a small plunger 6. The large-diameter syringe 1 has a large plunger rod 3 inside, and a large plunger 4 is located at the bottom of the large plunger rod 3. The large plunger rod 3 has a hollow design inside, with a through hole running vertically through it to the bottom of the large plunger 4. The small-diameter syringe 2 is located inside the through hole, and the small plunger rod 5 is located inside the small-diameter syringe 2. The small plunger 6 is located at the bottom of the small plunger rod 5.

[0021] The upper end of the large-diameter syringe 1 is provided with a booster 7. The upper surface of the booster 7 is symmetrically provided with two large slots 701. The large slots 701 are open on the right side and closed on the left side in a clockwise direction. The upper end of the large plunger rod 3 is provided with a platform 8. The upper surface of the platform 8 is symmetrically provided with two small slots 801. The small slots 801 are open on the left side and closed on the right side in a clockwise direction.

[0022] Corresponding to the large slot 701 and the small slot 801, two large plunger rod buckles 9 are symmetrically provided on the large plunger rod 3. The two large plunger rod buckles 9 correspond to the two large slots 701 and fit together. On the small plunger rod 5, two small plunger rod buckles 10 are symmetrically provided. The two small plunger rod buckles 10 correspond to the small slots 801 and fit together.

[0023] Furthermore, a first scale 11 is provided on the outer surface of the large-diameter syringe 1. When using the large plunger rod 3 to draw liquid, the amount of liquid in the large-diameter syringe 1 can be read by referring to the first scale 11. A second scale 12 is provided on the small plunger rod 5. When using the small plunger rod 5 to draw liquid, the amount of liquid in the small-diameter syringe 2 can be read by referring to the second scale 12.

[0024] A detachable small cone 13 is installed at the bottom of the large-diameter syringe 1. The detachable small cone 13 is connected to the large-diameter syringe 1 by multiple elastic ropes 14. When it is necessary to adapt to a small-diameter tube, the detachable small cone 13 can be installed at the front end of the cone of the large-diameter syringe 1. The elastic ropes 14 are used to connect the detachable small cone 13 to the shoulder of the large-diameter syringe 1.

[0025] When the large-diameter syringe 1 is needed, insert the small plunger rod latch 10 from left to right into the small slot 801 on the platform 8 of the large plunger rod 3, and unscrew the large plunger rod latch 9 from left to right out of the large slot 701 on the booster 7, so that the large plunger rod 3 is separated from the booster 7 and is in a movable state. At this time, the small plunger rod 5 and the large plunger rod 3 are combined into one, and more liquid can be drawn. When using the large-diameter syringe 1, the amount of liquid drawn is read by the first scale 11.

[0026] When the small-diameter syringe 2 is needed to flush the pipe, the small plunger rod clip 10 is unscrewed from the small slot 801 of the platform 8 of the large plunger rod 3 from right to left, so that the small plunger rod 5 is separated from the large plunger rod 3; the large plunger rod clip 9 is inserted from right to left into the large slot 701 located on the booster 7. At this time, the large plunger rod 3 and the large-diameter syringe 1 are fixed together. The small plunger rod 5 is used to draw liquid to flush the pipe. When using the small-diameter syringe 2, the amount of liquid drawn is read by the second scale 12.

[0027] The large slot 701 and the small slot 801 have opposite opening directions to prevent the large plunger rod latch 9 and the small plunger rod latch 10 from simultaneously engaging in the slots or simultaneously unscrewing out of the slots when rotating in the same direction.

[0028] When the syringe needs to be connected to a pipe with a large diameter, the syringe cone can be directly connected to the pipe; when the pipe diameter needs to be connected is small, the detachable small cone 13 can be installed on the front end of the syringe cone to connect to a small diameter pipe. The elastic rope 14 can prevent the detachable small cone 13 from falling off the front end of the syringe cone.

[0029] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A gavage syringe, characterized by, Including large pipe diameter needle cylinder (1), small pipe diameter needle cylinder (2), large plunger rod (3), large plunger (4), small plunger rod (5), small plunger (6); The inside of the large pipe diameter needle cylinder (1) is provided with the large plunger rod (3), the bottom of the large plunger rod (3) is provided with the large plunger (4), the inside of the large plunger rod (3) is designed as hollow, the inside is provided with a through hole penetrating from top to bottom, the through hole penetrates the large plunger (4) at the bottom, the through hole is provided with the small pipe diameter needle cylinder (2), the inside of the small pipe diameter needle cylinder (2) is provided with the small plunger rod (5), the bottom of the small plunger rod (5) is provided with the small plunger (6).

2. A gavage syringe according to claim 1, wherein, The upper end of the large pipe diameter needle cylinder (1) is provided with a booster (7), the upper surface of the booster (7) is symmetrically provided with two large clamping grooves (701), the right side of the large clamping groove (701) is open along the clockwise direction, and the left side is closed.

3. A gavage syringe according to claim 1, wherein, The upper end of the large plunger rod (3) is provided with a platform (8), the upper surface of the platform (8) is symmetrically provided with two small clamping grooves (801), the left side of the small clamping groove (801) is open along the clockwise direction, and the right side is closed.

4. A gavage syringe according to claim 2, wherein, The opening direction of the large clamping groove (701) and the small clamping groove (801) is opposite.

5. A gavage syringe according to claim 1, wherein, The large plunger rod (3) is symmetrically provided with two large plunger rod buckles (9), and the two large plunger rod buckles (9) correspond to the two large clamping grooves (701).

6. A gavage syringe according to claim 1, wherein, The small plunger rod (5) is symmetrically provided with two small plunger rod buckles (10), and the two small plunger rod buckles (10) correspond to the small clamping groove (801).

7. A gavage syringe according to claim 1, wherein, The outer surface of the large pipe diameter needle cylinder (1) is provided with a first scale (11), and the small plunger rod (5) is provided with a second scale (12).

8. A gavage syringe according to claim 7, wherein, The bottom of the large pipe diameter needle cylinder (1) is provided with a detachable small cone head (13), and the detachable small cone head (13) is connected to the large pipe diameter needle cylinder (1) through a plurality of elastic ropes (14).

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