Spraying device with safe locking function

Abstract

The utility model discloses a spraying device with a safe locking function. The spraying device comprises a spraying bottle, a nozzle, a spraying pressing cover, an outer shell, an upper rotating piece, a lower rotating piece, a bottom shell, a button and a dust cover. The rotary upper part sleeves the lower part of the spray bottle; the rotating lower part is sleeved outside the rotating upper part and is in threaded connection with the rotating upper part; the spray bottle, the spray pressing cover, the upper rotating piece and the lower rotating piece are all arranged in a shell defined by the outer shell and the bottom shell; the button part penetrates through the bottom shell and is fixedly connected with the rotary lower part; the top of the shell is provided with an outlet for allowing the nozzle to lift out; the spraying pressing cover is provided with an abutting part which extends transversely and is used for abutting against the two sides of the outlet; first steps and step-free areas are alternately arranged on the inner wall of the shell; the outer wall of the rotary lower part is provided with a second step used for being correspondingly clamped with the first step. The anti-stabbing device can prevent a user from being stabbed by the too high nozzle, can also prevent stabbing injury caused by misoperation of children when the anti-stabbing device is not used, can also avoid product waste caused by misuse, and plays a role in safety protection.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a spray device with safety locking. Background Art

[0002] Liquid dressings are formulated liquids encapsulated in polypropylene plastic bottles. The liquid in the bottle is squeezed to the nozzle through the principle of nozzle siphoning, and the special geometric shape of the nozzle (Rafael nozzle) forms a spray to evenly spray the liquid dressing onto the human body surface. Therefore, the spray device generally includes a spray bottle containing liquid, a nozzle, and a spray press cap.

[0003] Chinese patent CN 210992335U discloses a spray device that can prevent overdose of medicine. The device can spray a fixed amount of liquid medicine by squeezing a push rod, but it does not have a safety locking device. When children and the elderly are involved, the device is easily misused, causing safety problems.

[0004] Therefore, it is necessary to develop a spray device with safety lock. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a spray device with a safety lock.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A spray device with safety lock, comprising a spray bottle for containing liquid, a nozzle and a spray press cover, and also comprising an outer shell, a rotating upper piece, a rotating lower piece, a bottom shell, a button and a dust cover; the rotating upper piece covers the lower part of the spray bottle; the rotating lower piece covers the outside of the rotating upper piece and is threadedly connected to the rotating upper piece; the spray bottle, the spray press cover, the rotating upper piece and the rotating lower piece are all arranged in a shell surrounded by the outer shell and the bottom shell; the button part passes through the bottom shell and is fixedly connected to the rotating lower piece; the top of the outer shell is provided with an outlet for accommodating the nozzle to rise; the spray press cover is provided with a laterally extending abutment portion for abutting against both sides of the outlet; the inner wall of the outer shell is provided with alternately arranged first steps and step-free areas; the outer wall of the rotating lower piece is provided with a second step for correspondingly engaging with the first step.

[0008] Preferably, when the first step of the inner wall of the shell is engaged with the second step of the outer wall of the rotating lower part, the nozzle portion of the spray bottle is hidden in the shell, which can hide the excessively long nozzle and reduce the risk of accidental injury before use.

[0009] Preferably, the outer wall of the rotating upper component is provided with a concave thread; the inner wall of the rotating lower component is provided with a convex thread, and the concave thread is correspondingly engaged with the convex thread.

[0010] Preferably, the bottom shell is provided with a through hole for accommodating the button to pass through.

[0011] Preferably, the button is connected to the rotating lower part via a snap-fit ​​connection.

[0012] Preferably, the dust cover is sleeved on the outlet.

[0013] The method for setting the first step and the step-free area on the inner wall of the shell is not limited. Preferably, the inner wall of the shell is provided with two pairs of first steps and step-free areas that are evenly and alternately arranged.

[0014] When the spray device is in the initial state, the first step of the inner wall of the shell is engaged with the second step of the outer wall of the rotating lower part. At this time, the product is in a locked state, the button is locked and cannot be pressed, and the nozzle part of the spray bottle is hidden in the shell, which can prevent the nozzle from being too high to injure the user, and can also prevent children from accidentally operating it when not in use and causing injuries, and can also avoid misuse and waste of products.

[0015] When in use, hold the shell with one hand and turn the button with the other hand. The button drives the rotating lower part to rotate. Since the rotating lower part is connected to the rotating upper part through a thread, the rotating upper part rises under the action of the spiral line, driving the spray bottle to rise a certain distance, and the nozzle rises to reach the use height. At this time, the second step of the outer wall of the rotating lower part is staggered with the first step of the inner wall of the shell, and the locking state is released. Press the button again, the abutment of the spray pressing cover abuts with both sides of the outlet, and the nozzle sprays the liquid to achieve the spray effect. When not in use, rotate the button in the opposite direction to make the spray bottle drop, the nozzle is partially hidden in the shell, the first step of the inner wall of the shell is engaged with the second step of the outer wall of the rotating lower part, and the device returns to the initial locking state.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] When the spray device of the utility model is not in use, the first step of the inner wall of the shell is locked with the second step of the outer wall of the rotating lower part, so that the button cannot be pressed, and the initial position locking function is provided to prevent misuse. In addition, the nozzle of the spray bottle is hidden in the shell, which can prevent the nozzle from being too high to hurt the user, and can also prevent children from being hurt by misoperation when not in use, thus playing a role of safety protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an exploded schematic diagram of a spray device with safety lock of the utility model;

[0019] Figure 2 This is a front view of a spray device with safety lock of the utility model;

[0020] Figure 3 It is a right view of a spray device with safety lock of the utility model;

[0021] Figure 4 It is a cross-sectional schematic diagram of a spray device with safety lock of the utility model;

[0022] Figure 5 It is a schematic diagram of the structure in which the first step of the inner wall of the housing and the second step of the outer wall of the rotating lower member are clamped together in the utility model;

[0023] Figure 6 It is a schematic diagram of the thread structure of the rotating upper piece and the rotating lower piece in the utility model. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with specific embodiments.

[0025] See also Figure 1-6 A spray device with safety lock, comprising a spray bottle 1 for containing liquid, a nozzle 2 and a spray pressing cover 3, a shell 4, a rotating upper part 5, a rotating lower part 6, a bottom shell 7, a button 8 and a dust cover 9. The rotating upper part 5 covers the lower part of the spray bottle 1, and the rotating lower part 6 is covered outside the rotating upper part 5 and is threadedly connected with the rotating upper part 6. The spray bottle 1, the spray pressing cover 3, the rotating upper part 5, and the rotating lower part 6 are all arranged in a shell surrounded by the shell 4 and the bottom shell 7. The button 8 partially passes through the bottom shell 7 and is fixedly connected to the rotating lower part 6. The top of the shell 4 is provided with an outlet 10 for accommodating the nozzle 2 to rise. The spray pressing cover 3 is provided with a laterally extending abutment portion 11 for abutting against both sides of the outlet 10. The inner wall of the shell 4 is provided with a first step 12 and a step-free area 13 arranged alternately. The outer wall of the rotating lower part 6 is provided with a second step 14 for correspondingly engaging with the first step 12.

[0026] The nozzle 2 can be completely or partially hidden in the housing. In one embodiment, when the first step 12 of the inner wall of the housing 4 is engaged with the second step 14 of the outer wall of the rotating lower member 6, the nozzle 2 of the spray bottle 1 is partially hidden in the housing. Figure 4 Preferably, about 1 / 3 of the nozzle 2 of the spray bottle 1 is hidden in the housing.

[0027] In one embodiment, the outer wall of the rotating upper member 5 is provided with a female thread 15; the inner wall of the rotating lower member 6 is provided with a male thread 16, and the female thread 15 and the male thread 16 are correspondingly engaged, such as Figure 6 shown.

[0028] The bottom shell 7 is provided with a through hole 17 for accommodating the button 8 to pass through. The dust cover 9 is sleeved on the outlet.

[0029] In one embodiment, the button 8 is connected to the rotating lower member 6 via a buckle 18, such as Figure 1 and Figure 4 shown.

[0030] The arrangement method of the first step 12 and the step-free area 13 on the inner wall of the housing 4 is not limited. In one embodiment, the inner wall of the housing 4 is provided with two pairs of first steps 12 and step-free areas 13 evenly and alternately arranged, such as Figure 5 shown.

[0031] When the spray device is in the initial state, the first step of the inner wall of the shell is engaged with the second step of the outer wall of the rotating lower part. At this time, the product is in a locked state, the button is locked and cannot be pressed, and the nozzle part of the spray bottle is hidden in the shell (such as Figure 4 About 1 / 3 of the nozzle is hidden in the shell), which can prevent the nozzle from being too high and stabbing the user, and can also prevent children from accidentally operating it when not in use and causing stabbing injuries, and can also avoid misuse and waste of products.

[0032] When in use, hold the housing with one hand and turn the button with the other hand (such as Figure 5 Rotate 90°), the button drives the lower rotating part to rotate. Since the lower rotating part is connected to the upper rotating part by threads, the upper rotating part rises under the action of the spiral line, driving the spray bottle to rise a certain distance, and the nozzle rises to the use height. At this time, the second step of the outer wall of the lower rotating part is staggered with the first step of the inner wall of the shell, and the locking state is released. Press the button again, the abutment of the spray pressing cover abuts against the two sides of the outlet, and the nozzle sprays the liquid to achieve the spray effect. When not in use, reverse rotation (such as Figure 5 Reverse rotation 90°) causes the spray bottle to descend, the nozzle portion is hidden in the shell, the first step of the inner wall of the shell is engaged with the second step of the outer wall of the rotating lower part, and the device returns to the initial locking state.

[0033] The technical solutions provided by the embodiments of the present invention are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, according to the embodiments of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A spray device with safety lock, comprising a spray bottle for containing liquid, a nozzle and a spray press cover, characterized in that: It also includes an outer shell, a rotating upper part, a rotating lower part, a bottom shell, a button and a dust cover; the rotating upper part covers the lower part of the spray bottle; the rotating lower part is covered outside the rotating upper part and is threadedly connected to the rotating upper part; the spray bottle, the spray press cover, the rotating upper part and the rotating lower part are all arranged in a shell surrounded by the outer shell and the bottom shell; the button part passes through the bottom shell and is fixedly connected to the rotating lower part; the top of the outer shell is provided with an outlet for accommodating the nozzle to rise; the spray press cover is provided with a laterally extending abutment part for abutting against both sides of the outlet; the inner wall of the outer shell is provided with alternately arranged first steps and step-free areas; the outer wall of the rotating lower part is provided with a second step for correspondingly engaging with the first step.

2. A spray device with safety lock according to claim 1, characterized in that: When the first step of the inner wall of the shell is engaged with the second step of the outer wall of the rotating lower member, the nozzle portion of the spray bottle is hidden in the shell.

3. A spray device with safety lock according to claim 1, characterized in that: The outer wall of the rotating upper component is provided with a concave thread; the inner wall of the rotating lower component is provided with a convex thread, and the concave thread is correspondingly engaged with the convex thread.

4. A spray device with safety lock according to claim 1, characterized in that: The bottom shell is provided with a through hole for accommodating the button to pass through.

5. A spray device with safety lock according to claim 1, characterized in that: The button is connected to the rotating lower part via a buckle.

6. A spray device with safety lock according to claim 1, characterized in that: The dust cover is sleeved on the outlet.

7. A spray device with safety lock according to claim 1, characterized in that: The inner wall of the shell is provided with two pairs of first steps and non-step areas which are evenly and alternately arranged.

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