CN219878676U

CN219878676U - Dispensing device

Info

Publication number: CN219878676U
Application number: CN202321376864.4U
Authority: CN
Inventors: 玄扬
Original assignee: Rongcheng Datuan Animal Husbandry And Veterinary Station
Current assignee: Rongcheng Datuan Animal Husbandry And Veterinary Station
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-10-24
Anticipated expiration: 2033-05-31

Abstract

The utility model relates to the technical field of dispensing instruments, in particular to a dispensing device; the structure is more scientific and reasonable, and the preparation efficiency and the preparation uniformity of the medicament are effectively improved; the connection tightness with the tube bottle is improved; comprises a cylinder body, a piston which is arranged in the cylinder body in a sliding way, a push rod which is fixedly connected with the piston, a needle head which is arranged on the cylinder body and a clamping connecting piece which is used for being connected with a tube bottle; the clamping connecting piece comprises a semi-ring frame and two connecting rods fixedly connected with the semi-ring frame, the two connecting rods are hinged to the outer wall of the cylinder body, and two clamping teeth are arranged on one side, close to the central axis of the cylinder body, of each connecting rod; the finger pushing part is fixedly arranged on the semi-ring frame; the connecting rod is elastically connected with the cylinder body through the torsion spring; the device also comprises a spring, wherein the spring is sleeved on the push rod, and the push rod is elastically connected with the cylinder body through the spring; the hand-pushing device also comprises a push-pull holding piece and a palm pushing piece, wherein the push-pull holding piece is arranged on the upper part of the cylinder body, and the palm pushing piece is arranged on the pushing rod.

Description

Dispensing device

Technical Field

The utility model relates to the technical field of dispensing instruments, in particular to a dispensing device.

Background

In the livestock breeding process, the livestock is required to be vaccinated and other health care medicines are required to be injected, powder in the control bottle is required to be mixed with the liquid medicines in the process, the liquid medicines are generally sucked by the injector and then injected into the control bottle, and the dissolution of the powder in the liquid medicines is realized by shaking the control bottle.

The utility model discloses a medical low-resistance medicine dispenser (publication No. CN 208710521U), which comprises a medicine dispensing syringe, wherein a push rod, a piston and a piston cap which are axially pulled along the medicine dispensing syringe are arranged in an inner cavity of the medicine dispensing syringe, a needle seat is arranged at the front end of the medicine dispensing syringe, a through hole which is communicated with the inside of the medicine dispensing syringe is arranged at the center of the needle seat, a push rod boss is arranged at one end of the push rod, which is close to the needle seat, of the piston, the piston is clamped on the push rod boss through the piston cap, the piston comprises a piston body and a sealing ring, the outer diameter of the sealing ring is the same as the diameter of the inner wall of the medicine dispensing syringe, the piston body is a cylinder with an upper through round hole and a lower through round hole at the center, the sealing ring is arranged on the circumference of the piston body, which is close to one end of the needle seat, and a sealing gas ring is arranged in the piston body. The utility model has the advantages of simple structure, convenient operation, good sealing effect, economy, durability and small resistance.

However, when the present inventors embodied this device, the following drawbacks were found to exist: in use, the drug injection quantity of livestock is large, the drug dosage is increased along with the drug injection quantity, the mode of shaking up and mixing after the drug injection by the injector is laborious, the preparation efficiency of the drug is affected, and the preparation uniformity of the drug needs to be further improved; in the process of injecting the medicament into the tube bottle by the injector, the pressure in the tube bottle is increased, so that the injector is easy to separate from the tube bottle, and the medicament is wasted.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a medicament preparation device which has a more scientific and reasonable structure and effectively improves the medicament preparation efficiency and the preparation uniformity; the medicine dispenser can improve the connection tightness with the tube bottle.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: a medicine dispenser comprises a cylinder, a piston which is arranged in the cylinder in a sliding way, a push rod which is fixedly connected with the piston, a needle head which is arranged on the cylinder and a clamping connecting piece which is used for being connected with a tube bottle; the clamping connecting piece comprises a semi-ring frame and two connecting rods fixedly connected with the semi-ring frame, the two connecting rods are hinged to the outer wall of the cylinder body, and two clamping teeth are arranged on one side, close to the central axis of the cylinder body, of each connecting rod; further, a rotating shaft is arranged at the outer wall of the cylinder body, and the connecting rod is hinged at the rotating shaft; the inner diameter of the semicircular frame is matched with the outer diameter of the cylinder body.

Preferably, the finger pushing part is fixedly arranged on the semi-ring frame.

Preferably, the device further comprises a torsion spring, and the connecting rod is elastically connected with the cylinder body through the torsion spring.

Preferably, the device further comprises a spring, wherein the spring is sleeved on the push rod, and the push rod is elastically connected with the cylinder body through the spring.

Preferably, the device also comprises a push-pull holding piece and a palm pushing piece, wherein the push-pull holding piece is arranged at the upper part of the cylinder body, and the palm pushing piece is arranged on the pushing rod; furthermore, the push-pull holding piece is provided with a finger die groove, and the top of the palm pushing piece is round and arc-shaped.

Preferably, the push-pull holding piece is detachably connected with the cylinder body, and the palm pushing piece is detachably connected with the push rod; further, a through hole allowing the barrel to pass through is formed in the push-pull holding piece, and the barrel passes through the through hole and is in interference fit with the push-pull holding piece; the palm pushing piece is provided with a clamping groove, the top of the pushing rod is provided with a clamping plate, and the clamping plate is slidably arranged in the clamping groove.

Preferably, scale marks are arranged at the cylinder; further, the cylinder is made of transparent plastic or glass.

(III) beneficial effects

Compared with the prior art, the utility model provides a medicine dispenser, which has the following beneficial effects: the dispensing device is characterized in that a quantitative liquid medicament is sucked into a cylinder in advance, a push rod is pulled to enable a piston to move, a section of air column is formed at the upper part in the cylinder, a needle is inserted into the bottom in a sealed state of a tube bottle, connection between the cylinder and the tube bottle is realized through a clamping connecting piece, the push rod is pressed, the liquid medicament in the cylinder and air enter the tube bottle, after the liquid medicament and the powder medicament in the tube bottle are primarily mixed, the pressure in the tube bottle is increased, the force applied to the push rod is released, the mixed medicament in the tube bottle automatically flows back into the cylinder under the action of the pressure, and the operation is repeated, so that the full mixing of the liquid medicament and the powder medicament is realized, the structure is more scientific and reasonable, and the medicament preparation efficiency and the medicament preparation uniformity are effectively improved; through the clamping connecting piece, the connection tightness with the tube bottle can be improved, the needle is prevented from falling off from the tube bottle, and the medicine is prevented from being scattered and wasted.

Drawings

FIG. 1 is a schematic view of an isometric view of the present utility model;

FIG. 2 is a schematic left-hand view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 2 at A-A in accordance with the present utility model;

FIG. 4 is a schematic view of a partially enlarged structure of FIG. 3A according to the present utility model;

the reference numerals in the drawings: 1. a cylinder; 2. a piston; 3. a push rod; 4. a needle; 5. a semi-ring frame; 6. a connecting rod; 7. latch teeth; 8. a finger pushing part; 9. a torsion spring; 10. a spring; 11. a push-pull grip; 12. palm pushing pieces; 13. graduation marks.

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.

Referring to fig. 1 to 4, the utility model discloses a medicine dispenser, which comprises a cylinder 1, a piston 2 slidably arranged in the cylinder 1, a push rod 3 fixedly connected with the piston 2, a needle 4 arranged on the cylinder 1 and a clamping connecting piece for connecting with a tube bottle; the clamping connecting piece comprises a semi-ring frame 5 and two connecting rods 6 fixedly connected with the semi-ring frame 5, the two connecting rods 6 are hinged to the outer wall of the cylinder body 1, and two clamping teeth 7 are arranged on one side, close to the central axis of the cylinder body 1, of the connecting rods 6; further, a rotating shaft is arranged at the outer wall of the cylinder body 1, and a connecting rod 6 is hinged at the rotating shaft; the inner diameter of the semicircular frame is matched with the outer diameter of the cylinder body 1; two clamping teeth 7 on the same connecting rod 6 are respectively positioned at the top of the bottle cap of the control bottle and the neck of the control bottle, so that the connecting rod 6 is clamped and connected with the control bottle, and meanwhile, a certain limiting effect is achieved on the bottle cap of the control bottle, the bottle cap is prevented from being separated due to overlarge pressure in the control bottle, the tightness between the bottle cap and the control bottle is ensured, and the overflow of liquid medicine in the control bottle is prevented.

Specifically, a finger pushing part 8 is fixedly arranged on the semi-ring frame 5; the thumb of the operator can apply force to the finger pushing part 8, so that the clamping connecting piece rotates, and the clamping connecting piece can be rotated and adjusted more conveniently and in a labor-saving manner.

The connecting rod device also comprises a torsion spring 9, and the connecting rod 6 is elastically connected with the cylinder body 1 through the torsion spring 9; the torsion spring 9 can promote the clamping connecting piece to reset by itself after being separated from the force applied to the clamping connecting piece; and the manual intervention is not needed, so that the use convenience is further improved.

The device comprises a barrel body 1, a push rod 3, a spring 10 and a spring 10, wherein the push rod 3 is elastically connected with the barrel body 1 through the spring 10; after the medicament in the cylinder 1 is injected into the tube bottle, the spring 10 is in a compressed state, and when the liquid medicament in the tube bottle flows back into the cylinder 1, the push rod 3 can be driven to reset by itself under the action of the spring 10, so that the liquid medicament in the tube bottle flows back into the cylinder 1 more smoothly, and the use convenience is further improved.

Specifically, the device also comprises a push-pull holding piece 11 and a palm pushing piece 12, wherein the push-pull holding piece 11 is arranged at the upper part of the cylinder body 1, and the palm pushing piece 12 is arranged on the pushing rod 3; further, the push-pull holding piece 11 is provided with a finger die groove, and the top of the palm pushing piece 12 is in a round arc shape; the fingers of the operator are contacted with the push-pull holding piece 11, the palm pushing piece 12 is contacted with the position, close to the thumb, of the palm of the operator, force is applied to the position, close to the thumb, of the palm of the operator, force application only by the thumb is avoided, labor is saved, meanwhile, the contact area between the operator and the medicine dispenser is enlarged through the push-pull holding piece 11 and the palm pushing piece 12, the partial bearing of pressure of the hand of the operator is avoided, and the use comfort is improved.

Specifically, the push-pull holding piece 11 is detachably connected with the cylinder body 1, and the palm pushing piece 12 is detachably connected with the push rod 3; further, a through hole allowing the barrel 1 to pass through is formed in the push-pull holding piece 11, and the barrel 1 passes through the through hole and is in interference fit with the push-pull holding piece 11; the palm pushing piece 12 is provided with a clamping groove, the top of the pushing rod 3 is provided with a clamping plate, and the clamping plate is slidably arranged in the clamping groove; the push-pull holding piece 11 and the palm pushing piece 12 can be disassembled and assembled according to the requirements, so that each accessory can be produced independently, and the disassembly is convenient and fast.

Specifically, the cylinder 1 is provided with graduation marks 13; further, the cylinder 1 is made of transparent plastic or glass; the scale marks 13 can be used for measuring the medicament amount in the cylinder body 1 in real time, so that the accuracy of the medicament preparation amount is improved.

When the device is used, liquid medicament is sucked into the cylinder body 1 in advance, a part of air column is reserved in the cylinder body 1, the needle head 4 is inserted into the cylinder body from the bottle cap of the tube bottle and stretches into the bottom of the tube bottle, the thumb pushes the finger pushing part 8, the clamping connecting piece rotates until the two clamping teeth 7 are respectively clamped with the bottle cap and the bottle neck of the tube bottle, the palm pushing part 12 is pressed, the push rod 3 moves downwards, the liquid medicament and part of air column are pressed into the tube bottle under the action of the piston 2, after the liquid medicament and the powdery medicament in the tube bottle are primarily mixed, the mixed medicament flows back into the cylinder body 1 under the action of the pressure in the tube bottle and the spring 10, and the medicament is repeatedly circulated in the cylinder body 1 and the tube bottle according to the principle, so that the aim of mixing and allocation of the medicaments is achieved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The medicine dispenser is characterized by comprising a cylinder body (1), a piston (2) which is slidably arranged in the cylinder body (1), a push rod (3) which is fixedly connected with the piston (2), a needle head (4) which is arranged on the cylinder body (1) and a clamping connecting piece which is used for being connected with a tube bottle; the clamping connecting piece comprises a semi-ring frame (5) and two connecting rods (6) fixedly connected with the semi-ring frame (5), the two connecting rods (6) are hinged to the outer wall of the cylinder body (1), and two clamping teeth (7) are arranged on one side, close to the central axis of the cylinder body (1), of the connecting rods (6).

2. A dispenser according to claim 1, wherein the half-ring frame (5) is fixedly provided with a finger push (8).

3. A dispenser according to claim 2, further comprising a torsion spring (9), wherein the connecting rod (6) is resiliently connected to the barrel (1) by the torsion spring (9).

4. A dispenser according to claim 3, further comprising a spring (10), wherein the spring (10) is arranged around the push rod (3), and wherein the push rod (3) is elastically connected to the barrel (1) by the spring (10).

5. The dispensing device according to claim 4, further comprising a push-pull grip (11) and a palm pushing member (12), wherein the push-pull grip (11) is mounted on the upper portion of the barrel (1), and the palm pushing member (12) is mounted on the pushing rod (3).

6. A dispenser according to claim 5, wherein the push-pull grip (11) is detachably connected to the barrel (1) and the palm pushing member (12) is detachably connected to the push rod (3).

7. A dispenser according to claim 6, wherein graduation marks (13) are provided at the barrel (1).