Self-locking structure of medical combined spray gun

Abstract

The utility model discloses a self-locking structure of a medical combined spray gun, which relates to the technical field of medical spray guns, solves the technical problem that the spray gun in the prior art cannot be quickly inserted for locking and quickly disassembled, and comprises a spray gun shell and a spray can, the spray gun shell is grip-shaped, an air inlet unit is arranged at the lower end of the spray gun shell, and an air outlet unit is arranged at the lower end of the spray can. A guide pipe is fixedly installed at the upper end of the spray gun shell, a bottle base is fixedly installed at the upper end of the spray can, and the bottle base is installed in the guide pipe. According to the spray gun, an operator can quickly insert the spray head and ensure that the spray head is safely locked in place through a specially-designed locking mechanism, and meanwhile the spray head can be quickly disassembled; the operation efficiency and convenience are improved; the locking mechanism adopts the design of a buckle and a locking groove, so that the spray head cannot be separated from the spray gun shell after being fixed in place, and the stability and the safety of the spray head are ensured; through the design of the locking and clamping handle and the shifting piece, an operator can easily rotate the buckle to unlock the spray head, and the bottle base can be conveniently pulled out for replacement or maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of medical spray guns, in particular to a self-locking structure of a medical combined spray gun. Background Technique

[0002] The technical field related to the utility model, the combined spray gun locking device is a safety device for a spray gun, mainly used for applying medicine to patients in the otolaryngology department of a hospital. The design purpose of this device is to make it more convenient and safe for doctors to replace the spray gun head; the spray gun needs to replace the nozzle regularly to ensure the effective spraying of the liquid medicine and the safety of patients. During use, the doctor will remove the old nozzle and install a new one. The role of the combined spray gun locking device is to provide additional protection when the doctor replaces the nozzle, preventing the nozzle from loosening or accidentally falling off; this device usually includes a specially designed locking mechanism to ensure that the nozzle is firmly fixed on the spray gun. The doctor only needs to operate according to specific steps to easily replace the nozzle and ensure its safe locking in place, thus avoiding accidents caused by the loosening of the nozzle; generally speaking, the combined spray gun locking device plays an important role in the otolaryngology department of the hospital, not only improving the efficiency of the doctor replacing the nozzle, but also ensuring the safety of patients receiving drug treatment.

[0003] For example, the utility model with the name of a simple and rapid rotation mechanism of a medical spray gun head and the publication number of CN205253412U includes a gun seat, a medical spray gun head, a sliding sleeve and a spring and a cover inside the sliding sleeve. The sliding sleeve is slidably connected with the gun seat, the gun seat is fixed on the gun handle, the rear part of the gun seat is connected with one end of the spring inside the sliding sleeve, the other end of the spring is connected with the inner end of the cover, the cover is hermetically connected with the end of the sliding sleeve, and the sliding sleeve relies on the spring force to make the conical hole at the rotation end of the medical spray gun head and the conical head at the front end of the gun seat close together.

[0004] The prior art has the technical problem that it cannot be quickly inserted and locked and quickly disassembled. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the utility model provides a self-locking structure of a medical combined spray gun, which solves the technical problem that the prior art cannot be quickly inserted and locked and quickly disassembled.

[0006] To achieve the above object, the utility model is realized by the following technical solutions: A self-locking structure for a medical combined spray gun, comprising a spray gun shell and a spray bottle. The spray gun shell is in the shape of a grip. An air intake unit is provided at the lower end of the spray gun shell. A guide tube is fixedly installed at the upper end of the spray gun shell. A bottle seat is fixedly installed at the upper end of the spray bottle. The bottle seat is installed in the guide tube. The bottle seat is T-shaped. The spray bottle is perpendicular to the axis direction of the bottle seat and the guide tube. A spray gas pipe is provided in the bottle seat. The spray gas pipe is connected to the head and tail ends of the bottle seat. The spray gas pipe is connected to the upper end of the spray bottle. A guide gas pipe is provided in the bottle seat. The guide gas pipe is connected to one end of the spray bottle and the bottle seat. A buckle is rotatably installed at the tail end of the guide tube. A locking groove is formed on the bottle seat. The hook of the buckle is connected in the locking groove. The spray bottle and the bottle seat are inserted into the guide tube. After inserting into the tail end of the guide tube, the buckle is pushed up and hooked to the locking groove, so that the bottle seat cannot be separated from the spray gun shell.

[0007] Preferably, a torsion spring is connected between the buckle and the guide tube. A lock catch handle is rotatably installed at the upper end of the spray gun shell. A dial is provided at the lower end of the lock catch handle. The dial is installed inside the buckle. By rotating the lock catch handle, the buckle is rotated, so that the hook is disengaged from the bottle seat, facilitating the operator to pull out the bottle seat.

[0008] Preferably, a tail end tube is slidably installed in the guide tube. A locking spring is connected between the tail end tube and the guide tube. The locking spring pushes the tail end tube, so that the tail end tube presses the bottle seat.

[0009] Preferably, a spray head is installed at the front end of the bottle seat. The spray head is threadedly connected to the bottle seat. The bottle seat is threadedly connected to the spray bottle.

[0010] Preferably, a trigger is rotatably installed in the spray gun shell. An air valve is installed in the spray gun shell. The switch of the air valve is connected to the trigger. When the operator presses the trigger, the air valve can be changed into a passage.

[0011] Preferably, the air intake unit includes an air inlet pipe press head and an input air pipe joint. The input air pipe joint is fixedly connected to the spray gun shell. The input air pipe joint is fixedly connected to the air inlet pipe press head.

[0012] Beneficial effects

[0013] The utility model provides a self-locking structure for a medical combination spray gun. Through a specially designed locking mechanism, the utility model allows an operator to quickly insert a spray head and ensure that it is securely locked in place, and also allows the spray head to be quickly removed, thereby improving the efficiency and convenience of operation. The locking mechanism adopts a buckle and a lock groove design, so that the spray head cannot be separated from the spray gun shell after being fixed in place, thereby ensuring the stability and safety of the spray head. Through the design of a locking handle and a paddle, an operator can easily turn the buckle to unlock the spray head, thereby facilitating the removal of the bottle holder for replacement or maintenance. The design of the locking spring can ensure a secure connection between the bottle holder and the guide tube, thereby preventing the spray head from loosening or falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic structural diagram of a self-locking structure of a medical combination spray gun.

[0015] Figure 2 It is a schematic diagram of the main cross-sectional structure of a self-locking structure of a medical combination spray gun described in the utility model.

[0016] Figure 3 The utility model is a schematic diagram of a top-view cross-sectional structure of a medical combination spray gun self-locking structure.

[0017] Figure 4 The utility model is a schematic diagram of the locking structure of the self-locking structure of the medical combination spray gun.

[0018] Figure 5 The utility model is a schematic top view of the locking structure of the self-locking structure of the medical combination spray gun.

[0019] Figure 6 The utility model is a front view schematic diagram of the locking structure of the self-locking structure of the medical combination spray gun.

[0020] Figure 7 The utility model is a schematic diagram of a top view of the self-locking structure of a medical combination spray gun.

[0021] In the figure: 1. spray gun shell; 2. spray bottle; 3. guide tube; 4. bottle holder; 5. jet tube; 6. air guide tube; 7. buckle; 8. torsion spring; 9. lock handle; 10. tail end tube; 11. locking spring; 12. spray head; 13. trigger; 14. air valve; 15. air inlet pipe pressure head; 16. air input pipe joint; DETAILED DESCRIPTION

[0022] To further elaborate on the technical means and effects adopted by the present invention to achieve the intended invention purpose, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying 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. The detailed description is as follows.

[0023] Please refer to Figure 1 , the present utility model provides a technical solution: a self-locking structure for a medical combined spray gun, including a spray gun housing 1 and a spray bottle 2. The spray gun housing 1 is in the shape of a grip. An air intake unit is provided at the lower end of the spray gun housing 1. A guide tube 3 is fixedly installed at the upper end of the spray gun housing 1. A bottle seat 4 is fixedly installed at the upper end of the spray bottle 2. The bottle seat 4 is installed in the guide tube 3. The bottle seat 4 is in a T shape. The spray bottle 2 is perpendicular to the axis direction of the bottle seat 4 and the guide tube 3. A spray gas pipe 5 is provided in the bottle seat 4. The spray gas pipe 5 is connected to both ends of the bottle seat 4. The spray gas pipe 5 is connected to the upper end of the spray bottle 2. A guide gas pipe 6 is provided in the bottle seat 4. The guide gas pipe 6 is connected to one end of the spray bottle 2 and the bottle seat 4. A buckle 7 is rotatably installed at the tail end of the guide tube 3. A locking groove is provided on the bottle seat 4. The hook of the buckle 7 is connected in the locking groove. The spray bottle 2 and the bottle seat 4 are inserted into the guide tube 3. After being inserted into the tail end of the guide tube 3, the buckle 7 is pushed up and hooked into the locking groove, so that the bottle seat 4 cannot be separated from the spray gun housing 1.

[0024] In this embodiment, it is further set that a torsion spring 8 is connected between the buckle 7 and the guide tube 3. A lock catch handle 9 is rotatably installed at the upper end of the spray gun housing 1. A dial is provided at the lower end of the lock catch handle 9. The dial is installed inside the buckle 7. By rotating the lock catch handle 9, the buckle 7 is rotated, so that the hook is disengaged from the bottle seat 4, which is convenient for the operator to pull out the bottle seat 4.

[0025] In this embodiment, it is further set that a tail end tube 10 is slidably installed in the guide tube 3. A locking spring 11 is connected between the tail end tube 10 and the guide tube 3. The locking spring 11 pushes the tail end tube 10, so that the tail end tube 10 presses the bottle seat 4.

[0026] In this embodiment, it is further set that a nozzle 12 is installed at the front end of the bottle seat 4. The nozzle 12 is threadedly connected to the bottle seat 4. The bottle seat 4 is threadedly connected to the spray bottle 2.

[0027] In this embodiment, it is further set that a trigger 13 is rotatably installed in the spray gun housing 1. An air valve 14 is installed in the spray gun housing 1. The switch of the air valve 14 is connected to the trigger 13. When the operator presses the trigger 13, the air valve 14 can be changed to a passage.

[0028] In this embodiment, it is further set that the intake unit includes an intake pipe press head 15 and an input air pipe joint 16. The input air pipe joint 16 is fixedly connected to the spray gun housing 1, and the input air pipe joint 16 is fixedly connected to the intake pipe press head 15.

[0029] The detailed connection means are well-known techniques in the art; as Figure 1 shown, preparation work: Ensure that the inside of the spray gun housing 1 is clean, and prepare the spray bottle 2 and the bottle holder 4 that need to be replaced.

[0030] Insert the bottle holder 4: Insert the bottle holder 4 equipped with the nozzle 12 into the guide tube 3 to ensure that the bottle holder 4 is tightly connected to the guide tube 3.

[0031] Lock the bottle holder 4: After inserting the bottle holder 4, the buckle 7 hooks the locking groove to ensure that the bottle holder 4 is firmly fixed in place and cannot be detached from the spray gun housing 1.

[0032] The operator can control the opening and closing of the air valve 14 through the trigger 13, thereby controlling the spraying of the liquid medicine. Ensure correct operation and adjust the spraying force as needed.

[0033] If the nozzle 12 needs to be replaced, the operator can easily unlock the buckle 7 and pull out the bottle holder 4 through the operation of the lock handle 9 and the paddle.

[0034] Cleaning and maintenance: After use, clean the spray gun in time to keep it clean and hygienic, and regularly check whether the locking device and other components are operating normally.

[0035] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0036] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments by using the above-disclosed technical content without departing from the technical solution scope of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A medical combined spray gun self-locking structure, comprising a spray gun housing (1) and a spray pot (2), characterized in that: The spray gun housing (1) is in the shape of a grip. An air intake unit is arranged at the lower end of the spray gun housing (1). A guide tube (3) is fixedly installed at the upper end of the spray gun housing (1). A bottle seat (4) is fixedly installed at the upper end of the spray pot (2). The bottle seat (4) is installed in the guide tube (3). The bottle seat (4) is T-shaped. The spray pot (2) is perpendicular to the axial direction of the bottle seat (4) and the guide tube (3). An air jet pipe (5) is arranged in the bottle seat (4). The air jet pipe (5) is connected to both ends of the bottle seat (4). The air jet pipe (5) is connected to the upper end of the spray pot (2). An air guide pipe (6) is arranged in the bottle seat (4). The air guide pipe (6) is connected to the spray pot (2) and one end of the bottle seat (4). A buckle (7) is rotatably installed at the tail end of the guide tube (3). A locking groove is provided on the bottle seat (4). The hook of the buckle (7) is connected to the locking groove.

2. A self-locking structure for a medical combination spray gun according to claim 1, characterized in that A torsion spring (8) is connected between the buckle (7) and the guide tube (3), a locking handle (9) is rotatably mounted on the upper end of the spray gun housing (1), a paddle is provided at the lower end of the locking handle (9), and the paddle is mounted on the inner side of the buckle (7).

3. The self-locking structure of a medical combination spray gun according to claim 1, characterized in that The guide tube (3) is slidably mounted inside the tail tube (10), and a locking spring (11) is connected between the tail tube (10) and the guide tube (3).

4. The self-locking structure of a medical combination spray gun according to claim 1, characterized in that A spray head (12) is installed at the front end of the bottle holder (4), the spray head (12) is threadedly connected to the bottle holder (4), and the bottle holder (4) is threadedly connected to the spray pot (2).

5. The self-locking structure of a medical combination spray gun according to claim 1, characterized in that A trigger (13) is rotatably mounted in the spray gun housing (1), and an air valve (14) is mounted in the spray gun housing (1). The switch of the air valve (14) is connected to the trigger (13).

6. The self-locking structure of a medical combination spray gun according to claim 1, characterized in that The air intake unit comprises an air intake pipe pressure head (15) and an input air pipe joint (16), wherein the input air pipe joint (16) is fixedly connected to the spray gun housing (1), and the input air pipe joint (16) is fixedly connected to the air intake pipe pressure head (15).

Images