Liquid food supply equipment

Abstract

The utility model belongs to the field of medical instruments, and discloses a liquid food supply device which comprises an injection pipe, a threaded column arranged in the injection pipe, a through hole and a sliding groove formed in the threaded column, a piston rotatably connected to one end of the threaded column, a connecting piece connected to the threaded column in a sliding mode, and a connecting piece connected to the threaded column in a threaded mode. A sliding rod is slidably connected into the through hole, a sliding block is slidably connected into the sliding groove and fixed to the sliding rod, a fixing piece is rotatably connected to the end, away from the piston, of the sliding rod, the two ends of the fixing piece are fixed to the injection pipe, and a handle assembly is fixed to the sliding rod. One end of the injection tube is provided with an injection port, and the other end of the injection tube is detachably connected with the push injection tube. On one hand, the force can be easily controlled, and then the rotating speed of the handle assembly can be easily controlled, so that the rotating speed of the handle assembly is relatively more uniform, and finally, the pushing and injecting speed of thicker liquid food can still be easily kept relatively slow and uniform.

Description

Technical Field

[0001] The utility model belongs to the field of medical equipment, and in particular relates to a liquid food supply device. Background Art

[0002] Liquid food is a liquid food that can melt into liquid in the mouth. It is easier to swallow and digest than semi-liquid food. Liquid food is suitable for seriously ill patients who are extremely weak and unable to chew food. For example, patients with high fever, oral, cheek and surgical diseases, acute gastroenteritis, esophageal stenosis and other diseases, for patients who cannot eat on their own and have difficulty swallowing, can use liquid food through a gastric tube to supplement their food and meet their nutritional needs. During the operation of gastric tube liquid food, attention should be paid to gentle movements and slow injection to reduce irritation to the gastrointestinal tract.

[0003] In the prior art, a large syringe is often used to supply liquid food. The large syringe is connected to the large feeding port under the gastric tube connector. After the connection is secure, a manually pressurized push rod piston is used to pump water and food into the patient's stomach to complete the feeding. However, for thicker liquid food, greater force is often required for injection. As the force increases, the feeding speed of the liquid food becomes more difficult to control. This can easily cause the liquid food feeding speed to fluctuate, and it is very slow to ensure a uniform feeding speed, which can easily affect the patient's normal digestion and eating. Excessive speed can even easily cause the liquid food to enter the respiratory tract and cause infection. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the purpose of the present invention is to provide a liquid food supply device. The operator holds the rotating push tube and injection tube with one hand and rotates the handle assembly with the other hand. During the rotation process, the operator can easily control the force and then easily control the rotation speed of the handle assembly, thereby making the rotation speed of the handle assembly relatively more uniform, and ultimately making it easy to maintain a relatively slow and relatively uniform push speed for thicker liquid food.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A liquid food supply device, comprising:

[0007] An injection tube is provided with a threaded column along its axis inside the injection tube, a through hole is opened inside the threaded column along its axis, and sliding grooves are opened on both sides of the through hole, one end of the threaded column is rotatably connected to a piston, and the piston is slidably connected to the injection tube, and an end of the threaded column close to the piston is threadedly connected to a connecting piece, and both ends of the connecting piece are fixedly connected to the inner wall of the injection tube, a sliding rod is slidably connected in the through hole, and a slider is slidably connected in the sliding groove, and the slider is fixedly connected to the sliding rod, and the end of the sliding rod away from the piston is rotatably connected to a fixing piece, and both ends of the fixing piece are fixedly connected to the inner wall of the injection tube, and the end of the sliding rod close to the fixing piece is fixedly connected to a handle assembly;

[0008] An injection tube, one end of which is provided with an injection port, and the other end of which is detachably connected to an end of the push tube close to the piston.

[0009] The above technical solution, its principle and technical effects:

[0010] When liquid food needs to be filled into the syringe, the syringe is separated from the push tube, and the injection port is temporarily blocked with the port facing downwards, such as by wrapping the injection port with food-grade plastic wrap, and then pressing the injection port with the index finger to block the injection port. The liquid food is filled into the syringe with a utensil such as a soup spoon, and then the push tube is connected to the syringe. A sealing ring can be set at the connection to prevent leakage. The injection port is connected to the gastric tube, and then the handle assembly is rotated at a constant speed to drive the slide bar to rotate. The slide bar drives the slider to rotate around the axis of the slide bar. Under the push of the slider, the threaded column rotates. Since the threaded column is threadedly connected to the connector, when the threaded column rotates, it will screw in the direction of the syringe, thereby driving the piston from the push tube into the syringe and moving toward the injection port to push the liquid food in the syringe. In this operating mode, the operator holds the rotating push tube and injection tube with one hand and rotates the handle assembly with the other hand. During the rotation process, the operator can easily control the force and then easily control the rotation speed of the handle assembly, thereby making the rotation speed of the handle assembly relatively more uniform, and ultimately making it easy to maintain a relatively slow and relatively uniform injection speed for thicker liquid food.

[0011] In a preferred example, the present invention can be further configured as follows: a nut is rotatably connected to one end of the push tube connected to the injection tube, and an external thread matching the nut is provided on the outer side of the one end of the injection tube connected to the push tube.

[0012] In a preferred example, the present invention can be further configured as follows: the inner diameter of the push tube is the same as the inner diameter of the injection tube.

[0013] In a preferred example, the present invention can be further configured as follows: a connecting shaft is fixedly connected to one side of the piston close to the threaded column, and the connecting shaft is rotatably connected in the through hole.

[0014] In a preferred example, the present invention can be further configured as follows: the handle assembly includes a first connecting rod fixedly connected to the sliding rod, a groove is provided on the first connecting rod, one end in the groove is rotatably connected to the second connecting rod, and the other end of the second connecting rod is rotatably connected to the rotating rod.

[0015] In a preferred example, the present invention can be further configured as follows: an avoidance groove is provided on the other end of the first connecting rod located in the groove.

[0016] In a preferred example, the present invention can be further configured as follows: buckles are provided on the inner walls on both sides of the groove.

[0017] The nouns, conjunctions or adjectives involved in the above technical solution are explained as follows:

[0018] A fixed connection is a connection in which parts or components are fixed without any relative movement. There are two types of connections: detachable and non-detachable.

[0019] (1) A removable connection is a method of fastening components together using screws, splines, wedge pins, etc. This type of connection allows for disassembly during maintenance without damaging the components. However, the connectors used must be of the correct specifications (e.g., length of bolts, keys, wedge pins) and properly tightened.

[0020] (2) Non-detachable connections mainly refer to welding, riveting, and tenoning. Since they require forging, sawing, or oxygen cutting to disassemble during repair or replacement, spare parts generally cannot be reused. At the same time, when making connections, attention should be paid to workmanship quality, technical inspection, and remedial measures (such as calibration, polishing, etc.).

[0021] A threaded connection refers to a detachable connection in which the connected parts are connected into one piece using a threaded part (or the threaded part of the connected parts).

[0022] A sliding connection is when two objects are in contact but not fixed and can slide relative to each other.

[0023] A rotational connection is a connection between parts that allows the parts to rotate relative to each other.

[0024] Beneficial effects of the utility model:

[0025] The operator holds the rotating push tube and injection tube with one hand and rotates the handle assembly with the other hand. During the rotation process, the operator can easily control the force and then easily control the rotation speed of the handle assembly, thereby making the rotation speed of the handle assembly relatively more uniform, and ultimately making it easy to maintain a relatively slow and uniform injection speed for thicker liquid food. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0027] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0028] Figure 2 This is a schematic structural diagram of the injection tube from the first perspective of an embodiment of the utility model;

[0029] Figure 3 This is a schematic structural diagram of the injection tube from a second perspective according to an embodiment of the present invention;

[0030] Figure 4 This is a schematic diagram of the injection tube structure of an embodiment of the utility model;

[0031] Figure 5 This is a schematic diagram of the internal structure of the injection tube according to an embodiment of the present utility model;

[0032] Figure 6 This is a schematic diagram of the threaded column structure of an embodiment of the utility model;

[0033] Figure 7 This is a partial structural diagram of the slide bar of an embodiment of the present utility model;

[0034] Figure 8 It is a partial structural diagram of the handle assembly of an embodiment of the present utility model. DETAILED DESCRIPTION

[0035] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0037] According to the concept of this application, Figures 1 to 7 To describe an embodiment of a liquid food supply device. Specifically, the liquid food supply device is constructed as a split structure, which has components such as a push tube 1, a piston 5, and an injection tube 11. Through the mutual cooperation of the provided threaded column 2, the connecting piece 6, the slider 8 and other structures, when it is necessary to fill the injection tube 11 with liquid food, the injection tube 11 is separated from the push tube 1, and then the injection port 12 is temporarily blocked downward, such as by wrapping the injection port 12 with food-grade plastic wrap, and then pressing the injection port 12 with the index finger to block it, and using a utensil such as a soup spoon to fill the liquid food into the injection tube 11, and then the push tube 1 is connected to the injection tube 11. A sealing ring can be provided at the connection to prevent leakage at the connection. Connect the injection port 12 to the gastric tube, then rotate the handle assembly 10 at a uniform speed to drive the slide bar 7 to rotate, and the slide bar 7 drives the slider 8 to rotate around the axis of the slide bar 7. Under the push of the slider 8, the threaded column 2 rotates. Since the threaded column 2 is threadedly connected to the connector 6, when the threaded column 2 rotates, it will also screw in the direction of the injection tube 11, thereby driving the piston 5 from the injection tube 1 into the injection tube 11 and moving toward the injection port 12 to inject the liquid food in the injection tube 11. In this operation method, the operator holds the rotating injection tube 1 and the injection tube 11 with one hand and rotates the handle assembly 10 with the other hand. During the rotation process, the operator can easily control the force and thus the rotation speed of the handle assembly 10, thereby making the rotation speed of the handle assembly 10 relatively more uniform, and ultimately making it easy to maintain a relatively slow and uniform injection speed for thicker liquid food.

[0038] like Figure 1-7 As shown, a liquid food supply device includes:

[0039] The injection tube 1 is provided with a threaded column 2 along its axis inside the injection tube 1, a through hole 3 is opened inside the threaded column 2 along its axis, and a slide groove 4 is opened on both sides of the through hole 3, one end of the threaded column 2 is rotatably connected to the piston 5, and the piston 5 is slidably connected to the injection tube 1, and the end of the threaded column 2 close to the piston 5 is threadedly connected to a connecting piece 6, and both ends of the connecting piece 6 are fixedly connected to the inner wall of the injection tube 1, a sliding rod 7 is slidably connected in the through hole 3, and a slider 8 is slidably connected in the slide groove 4, and the slider 8 is fixedly connected to the slide rod 7, and the end of the slide rod 7 away from the piston 5 is rotatably connected to a fixing piece 9, and both ends of the fixing piece 9 are fixedly connected to the inner wall of the injection tube 1, and the end of the slide rod 7 close to the fixing piece 9 is fixedly connected to the handle assembly 10.

[0040] The injection tube 11 has an injection port 12 at one end, and the other end of the injection tube 11 is detachably connected to an end of the push tube 1 close to the piston 5 .

[0041] During use, when it is necessary to fill the injection tube 11 with liquid food, the injection tube 11 is separated from the push tube 1, and the injection port 12 is temporarily blocked downwards, such as by wrapping the injection port 12 with food-grade plastic wrap, and then pressing the injection port 12 with the index finger to block the injection port 12, and using a utensil such as a soup spoon to fill the liquid food into the injection tube 11, and then the push tube 1 is connected to the injection tube 11. Of course, a sealing ring can be provided at the connection between the push tube 1 and the injection tube 11 to prevent leakage at the connection. The injection port 12 is connected to the gastric tube, and then the handle assembly 10 is rotated at a uniform speed to drive the slide bar 7 to rotate, and the slide bar 7 drives the slider 8 to rotate around the axis of the slide bar 7. Under the push of the slider 8, the threaded column 2 is rotated. Since the threaded column 2 is threadedly connected to the connector 6, when the threaded column 2 rotates, it will screw in the direction of the injection tube 11, thereby driving the piston 5 from the push tube 1 into the injection tube 11 and moving toward the injection port 12 to push the liquid food in the injection tube 11. In this operation mode, the operator holds the rotating injection tube 1 and the injection tube 11 with one hand and rotates the handle assembly 10 with the other hand. During the rotation process, the operator can easily control the force and then easily control the rotation speed of the handle assembly 10, thereby making the rotation speed of the handle assembly 10 relatively more uniform, and ultimately making it easy to maintain a relatively slow and relatively uniform injection speed for thicker liquid food.

[0042] In one embodiment of the present invention, a nut 13 is rotatably connected to the end of the push tube 1 connected to the injection tube 11, and an external thread 14 is provided on the outer side of the end of the injection tube 11 connected to the push tube 1, which is compatible with the nut 13. The push tube 1 and the injection tube 11 are aligned end to end, and the nut 13 is rotated to threadably connect with the end of the push tube 1 to achieve the installation of the push tube 1 and the injection tube 11. In any case, the push tube 1 and the injection tube 11 can be disassembled for easy cleaning and disinfection.

[0043] In one embodiment of the present invention, the inner diameter of the push tube 1 is the same as the inner diameter of the injection tube 11. This ensures that the piston 5 can smoothly transition from the push tube 1 to the injection tube 11 to achieve push injection of liquid food.

[0044] In one embodiment of the present invention, a connecting shaft 15 is fixedly connected to the side of the piston 5 near the threaded post 2. The connecting shaft 15 is rotatably connected to the through hole 3. This structural arrangement allows the threaded post 2 to rotate relative to the connecting shaft 15 when it is screwed in. Because the circumference of the piston 5 is in close contact with the inner walls of the injection tube 1 and the syringe 11, the friction force is relatively small. The relative rotation between the threaded post 2 and the connecting shaft 15 can push the piston 5 to move without rotating the piston 5, thus reducing the force required to turn the handle assembly 10.

[0045] In one embodiment of the present invention, the handle assembly 10 includes a first connecting rod 16 fixedly connected to the slide bar 7. The first connecting rod 16 has a groove 17 formed therein. A second connecting rod 18 is rotatably connected to one end of the groove 17. The other end of the second connecting rod 18 is rotatably connected to a rotating rod 19. In the initial state, the second connecting rod 18 is accommodated in the groove 17. Rotating the second connecting rod 18 causes the second connecting rod 18 to be moved out of the groove 17 and deployed. When the operator pinches the rotating rod 19 between the thumb and index finger and rotates it around the slide bar 7, the rotation radius is increased, thereby reducing the operator's effort.

[0046] In one embodiment of the present invention, a relief groove 20 is formed on the other end of the first connecting rod 16 located in the groove 17. When the second connecting rod 18 is rotated to accommodate the second connecting rod 18 in the groove 17, the rotating rod 19 can be inserted into the relief groove 20, thereby allowing the second connecting rod 18 to be smoothly accommodated in the groove 17.

[0047] In one embodiment of the present invention, buckles 21 are provided on the inner walls of both sides of the groove 17. When the second connecting rod 18 is rotated to accommodate the second connecting rod 18 in the groove 17, the two sides of the second connecting rod 18 will squeeze the buckles 21. It should be noted that the first connecting rod 16 is made of an elastic material. When the second connecting rod 18 squeezes the buckles 21, the width of the groove 17 will increase, so that the second connecting rod 18 can be smoothly accommodated in the groove 17, and the width of the groove 17 will return to its original state.

[0048] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0049] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention.

Claims

1. A liquid food supply device, characterized in that: include: An injection tube (1) is provided with a threaded column (2) along its axis inside the injection tube (1), a through hole (3) is provided inside the threaded column (2) along its axis, and slide grooves (4) are provided on both sides of the through hole (3), one end of the threaded column (2) is rotatably connected to a piston (5), and the piston (5) is slidably connected to the injection tube (1), and one end of the threaded column (2) close to the piston (5) is threadedly connected to a connector (6), and both ends of the connector (6) are connected to the piston (5). The slide rod (7) is fixedly connected to the inner wall of the injection tube (1), the through hole (3) is slidably connected to the slide rod (7), the slide groove (4) is slidably connected to the slider (8), the slider (8) is fixedly connected to the slide rod (7), the end of the slide rod (7) away from the piston (5) is rotatably connected to a fixing member (9), the two ends of the fixing member (9) are fixedly connected to the inner wall of the injection tube (1), and the end of the slide rod (7) close to the fixing member (9) is fixedly connected to a handle assembly (10); An injection tube (11) is provided with an injection port (12) at one end of the injection tube (11), and the other end of the injection tube (11) is detachably connected to an end of the push tube (1) close to the piston (5).

2. The liquid food supply device according to claim 1, characterized in that: The end of the push-injection tube (1) connected to the injection tube (11) is rotatably connected to a nut (13), and the outer side of the end of the injection tube (11) connected to the push-injection tube (1) is provided with an external thread (14) adapted to the nut (13).

3. The liquid food supply device according to claim 2, characterized in that: The inner diameter of the push tube (1) is the same as the inner diameter of the injection tube (11).

4. The liquid food supply device according to claim 1, characterized in that: A connecting shaft (15) is fixedly connected to one side of the piston (5) close to the threaded column (2), and the connecting shaft (15) is rotatably connected in the through hole (3).

5. The liquid food supply device according to claim 1, characterized in that: The handle assembly (10) includes a first connecting rod (16) fixedly connected to the slide rod (7), a groove (17) is provided on the first connecting rod (16), one end of the groove (17) is rotatably connected to a second connecting rod (18), and the other end of the second connecting rod (18) is rotatably connected to a rotating rod (19).

6. The liquid food supply device according to claim 5, characterized in that: The other end of the first connecting rod (16) located in the groove (17) is provided with an avoidance groove (20).

7. The liquid food supply device according to claim 5, characterized in that: Buckles (21) are provided on the inner walls on both sides of the groove (17).

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