Liquid food feeder

By introducing buffer components and filters into the liquid food feeder, the problem of difficult control of liquid food injection speed is solved, and the appropriate liquid food injection speed and safe use are achieved, reducing the risk of patient discomfort.

CN223054774UActive Publication Date: 2025-07-04SECOND MEDICAL CENT OF CHINESE PLA GENERAL HOSPITAL
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Patent Information

Application Number
CN202421737639.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-07-04
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

When medical staff use liquid food feeders, the strength is not easy to grasp, which leads to excessively fast injection of liquid food and causes discomfort in patients.

Method used

A liquid food feeder including a cylinder, push rod, piston and buffer assembly is designed. The push force of the push rod is buffered by the buffer assembly, so that the liquid food is slowly injected, combining a filter and a thermal insulation sleeve to ensure liquid food suitability and safety.

Benefits of technology

The appropriate injection speed of liquid food is achieved, which avoids discomfort in patients, and filters large particulate matter through a filter, reducing the risk of cross-infection and improving the safety of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

According to the technical scheme, the liquid food feeder is characterized in that the liquid food feeder comprises a barrel, the top face of the barrel is in threaded connection with a connecting cover, a push hole is formed in the top face of the connecting cover, a push rod is movably arranged in the push hole in a sleeved mode, a push block is fixedly installed on the top face of the push rod, and the other end of the push rod is fixedly connected with a piston; an injection nozzle is arranged on the bottom surface of the cylinder body; by arranging a spring, when a medical worker pushes a push rod, an abutting ring is driven to abut against the spring in a limiting barrel, the pushing force of the medical worker is buffered, the push rod is slowly pressed downwards, and therefore liquid food slowly flows out of a barrel body, the situation that the injection speed of the liquid food is too high due to the fact that the force is too large is avoided, and the suitability of injection of the liquid food is guaranteed; some large particles easily exist after the liquid food is made, the large particles in the liquid food can be filtered through the filter screen, choking during eating is avoided, and the using and installing performance is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of nursing equipment, and particularly relates to a liquid food feeder. Background Art

[0002] The digestive department includes the digestive medicine department and the digestive surgery department. Among them, patients in the digestive medicine department have various degrees of diseases and are unable to swallow independently. It is necessary to inject liquid food into the patient's stomach through a gastric tube to provide the necessary nutrition for the patient's body.

[0003] According to the Chinese patent with the application number: CN202222219800.5, a liquid food feeder is disclosed, which includes a cylinder body. A pushing component is arranged inside the cylinder body. A blocking block is fixedly installed on the inner wall of the cylinder body. A filtering component is arranged on the blocking block. A heating component is arranged on the cylinder body. The upper end of the cylinder body is threadedly connected with a cover plate. The lower end of the cylinder body is communicated with a threaded pipe. A connecting block is threadedly connected to the threaded pipe. A feeding nozzle is communicated with the connecting block. Through the setting of the heating component, the temperature drop of the food in the cylinder body can be effectively avoided, so as to ensure that feeding can be carried out at any time without pouring out the food in the cylinder body for heating, reducing troubles. Through the setting of the filtering component, food with larger particles can be effectively filtered out to avoid choking during eating and improve safety. Through the threaded connection methods of the cover plate and the connecting block, they can be quickly disassembled and installed, facilitating the cleaning of the cylinder body and each component.

[0004] At present, there are still some deficiencies in a liquid food feeder. For example, when medical staff use the device to inject liquid food, it is not easy to control the force, and it is easy to apply too much force, resulting in too fast an injection speed of the liquid food and causing discomfort to the patient's body. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a liquid food feeder, which solves the problem that when medical staff use the device to inject liquid food, it is not easy to control the force, and it is easy to apply too much force, resulting in too fast an injection speed of the liquid food and causing discomfort to the patient's body.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions:

[0007] A liquid food feeder includes: a cylinder body, the top surface of the cylinder body is threadedly connected with a connecting cover, a pushing hole is opened on the top surface of the connecting cover, a push rod is movably sleeved inside the pushing hole, a pushing block is fixedly installed on the top surface of the push rod, the other end of the push rod is fixedly connected with a piston, and an injection nozzle is arranged at the bottom surface of the cylinder body; a buffer component, which is arranged on the top surface of the connecting cover and is used for buffering the pushing force of the push rod.

[0008] By adopting the above technical solution, by providing a cylinder body, after the medical staff unscrew and remove the connection cover, store the liquid food in the cylinder body, screw on the connection cover, and then the medical staff slowly push the push rod. The push rod pushes the liquid food out of the cylinder body through the piston and injects it into the patient's mouth. When pushing, the buffer assembly buffers the pushing speed of the push rod to avoid discomfort of the patient.

[0009] Preferably, the buffer assembly includes: a limit cylinder, the limit cylinder is fixedly installed on the top surface of the connection cover, a spring is arranged inside the limit cylinder, and a pressing ring is fixedly installed on the outer circumferential wall surface of the push rod.

[0010] By adopting the above technical solution, by providing a spring, when the medical staff pushes the push rod, it drives the pressing ring to press the spring in the limit cylinder, buffers the pushing force of the medical staff, makes the push rod slowly press down, so that the liquid food slowly flows out of the cylinder body, avoiding excessive force and causing too fast injection speed of the liquid food, which is beneficial to ensuring the suitability of the liquid food injection.

[0011] Preferably, the injection nozzle is movably clamped with the cylinder body.

[0012] By adopting the above technical solution, by providing an injection nozzle, when the patient uses it, the injection nozzle contacts the patient, and the medical staff can disassemble the injection nozzle from the cylinder body and insert a new injection nozzle to prevent cross-infection when other patients use it.

[0013] Preferably, a filter groove is formed inside the injection nozzle, and a filter screen is arranged inside the filter groove.

[0014] By adopting the above technical solution, by providing a filter screen, some large particles are likely to exist after the liquid food is made. Through the filter screen, the large particles in the liquid food can be filtered to avoid choking during eating and improve the usability and safety.

[0015] Preferably, a heat preservation sleeve is adhered to the outside of the cylinder body.

[0016] By adopting the above technical solution, by providing a heat preservation sleeve, after the liquid food is stored in the cylinder body, through the external heat preservation sleeve, the temperature loss speed of the liquid food is reduced, preventing discomfort of the patient caused by the liquid food getting cold.

[0017] Preferably, a capacity port is arranged on the outer circumferential wall surface of the cylinder body.

[0018] By adopting the above technical solution, by providing a capacity port, the medical staff can grasp the amount of liquid food injected through the capacity port.

[0019] In summary, the main beneficial effects of the present utility model are as follows:

[0020] By setting a spring, when a medical staff member pushes the push rod, the pressing ring is driven to press the spring inside the limiting cylinder, buffering the pushing force of the medical staff member, causing the push rod to slowly press down, so that the liquid food slowly flows out of the cylinder body, avoiding excessive force and resulting in too fast an injection speed of the liquid food, which is beneficial to ensuring the suitability of the liquid food injection.

[0021] By setting a filter screen, there are easily some large particles in the liquid food after production. Through the filter screen, the large particles in the liquid food can be filtered to avoid choking during eating, improving the usability and installation. Brief Description of the Drawings

[0022] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0023] Figure 2 is a split structural schematic diagram of the connection cover of the present utility model;

[0024] Figure 3 is a schematic cross-sectional structure diagram of the limiting cylinder of the present utility model;

[0025] Figure 4 is a structural schematic diagram of the injection nozzle of the present utility model.

[0026] Reference numerals: 1, cylinder body; 2, connection cover; 3, push hole; 4, push rod; 5, push block; 6, piston; 7, injection nozzle; 8, limiting cylinder; 9, spring; 10, pressing ring; 11, filter groove; 12, filter screen; 13, capacity port; 14, heat preservation sleeve. Detailed Description of the Preferred Embodiments

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0028] Refer to Figure 1 、 Figure 2, A liquid food feeder, comprising: a cylinder body 1, the top surface of the cylinder body 1 is threadedly connected with a connection cover 2, a push hole 3 is opened on the top surface of the connection cover 2, a push rod 4 is movably sleeved inside the push hole 3, a push block 5 is fixedly installed on the top surface of the push rod 4, the other end of the push rod 4 is fixedly connected with a piston 6, and an injection nozzle 7 is arranged at the bottom surface of the cylinder body 1; a buffer assembly, the buffer assembly is arranged on the top surface of the connection cover 2 for buffering the pushing force of the push rod 4. By providing the cylinder body 1, the medical staff unscrew the connection cover 2 and remove it, store the liquid food in the cylinder body 1, screw on the connection cover 2, and then the medical staff slowly push the push rod 4. The push rod 4 pushes the liquid food out of the cylinder body 1 through the piston 6 and injects it into the patient's mouth. When pushing, the buffer assembly buffers the pushing speed of the push rod 4 to avoid discomfort of the patient. A heat preservation sleeve 14 is adhered to the outer part of the cylinder body 1. By providing the heat preservation sleeve 14, after the liquid food is stored in the cylinder body 1, through the external heat preservation sleeve 14, the temperature loss speed of the liquid food is reduced, and to avoid discomfort of the patient caused by the liquid food getting cold. A capacity port 13 is arranged on the outer wall surface of the cylinder body 1. By providing the capacity port 13, the medical staff can grasp the amount of liquid food injected through the capacity port 13.

[0029] Reference Figure 2 、 Figure 3 , The buffer assembly includes: a limiting cylinder 8, the limiting cylinder 8 is fixedly installed on the top surface of the connection cover 2, a spring 9 is arranged inside the limiting cylinder 8, and a pressing ring 10 is fixedly installed on the outer wall surface of the push rod 4. By providing the spring 9, when the medical staff push the push rod 4, it drives the pressing ring 10 to press the spring 9 inside the limiting cylinder 8, buffering the pushing force of the medical staff, so that the push rod 4 slowly presses down, so that the liquid food slowly flows out of the cylinder body 1, avoiding too much force and causing too fast injection speed of the liquid food, which is beneficial to ensuring the suitability of the liquid food injection.

[0030] Reference Figure 1 、 Figure 4 , The injection nozzle 7 is movably clamped with the cylinder body 1. By providing the injection nozzle 7, when the patient uses it, the injection nozzle 7 contacts the patient, and the medical staff can detach the injection nozzle 7 from the cylinder body 1 and insert a new injection nozzle 7 to prevent cross-infection when other patients use it. A filter groove 11 is opened inside the injection nozzle 7, and a filter net 12 is arranged inside the filter groove 11. By providing the filter net 12, some large particles are likely to exist after the liquid food is made. Through the filter net 12, the large particles in the liquid food can be filtered to avoid choking during feeding, improving the usability and safety.

[0031] Working principle: Please refer to Figures 1 - 4As shown, when in use, medical staff unscrew and remove the connection cover 2, store the liquid food in the cylinder body 1, screw on the connection cover 2 again, and then the medical staff slowly push the push rod 4. When pushing the push rod 4, the pressing ring 10 is driven to press the spring 9 in the limiting cylinder 8, buffering the pushing force of the medical staff, so that the push rod 4 slowly presses down, so that the liquid food slowly flows out of the cylinder body 1, avoiding excessive force. When the liquid food passes through the injection nozzle 7, the filter net 12 in the filter slot 11 can filter large particles in the liquid food, avoiding choking during eating and improving the usability and safety of the device.

[0032] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A liquid food feeder, characterized in that, Comprising: A cylinder body (1), a connection cover (2) is threadedly connected to the top surface of the cylinder body (1), a push hole (3) is formed in the top surface of the connection cover (2), a push rod (4) is movably sleeved inside the push hole (3), a push block (5) is fixedly installed on the top surface of the push rod (4), the other end of the push rod (4) is fixedly connected to a piston (6), and an injection nozzle (7) is arranged at the bottom surface of the cylinder body (1); A buffer assembly, which is arranged on the top surface of the connection cover (2) and is used for buffering the pushing force of the push rod (4).

2. The liquid food feeder according to claim 1, wherein The buffer assembly includes: A limit cylinder (8), the limit cylinder (8) is fixedly installed on the top surface of the connection cover (2), a spring (9) is arranged inside the limit cylinder (8), and a pressing ring (10) is fixedly installed on the outer wall surface of the push rod (4).

3. A liquid food feeder according to claim 2, characterized in that, The injection nozzle (7) is movably clamped with the cylinder body (1).

4. The liquid food feeder according to claim 3, characterized in that, A filter groove (11) is formed inside the injection nozzle (7), and a filter screen (12) is arranged inside the filter groove (11).

5. A liquid food feeder according to claim 4, characterized in that, A heat preservation sleeve (14) is adhered to the outside of the cylinder body (1).

6. The liquid food feeder according to claim 5, characterized in that, A capacity port (13) is arranged on the outer wall surface of the cylinder body (1).

Citation Information

Patent Citations

  • Liquid food feeder

    CN218961335U