Emulsion spray head

Abstract

The present application relates to the technical field of lotion spray cans, and relates to a lotion spray head, comprising a main body, a spray slot on the main body, a nozzle body with a hollow structure arranged in the spray slot, a nozzle opening on one side of the nozzle body, a plug for closing the nozzle opening slidably connected in the nozzle body, a resilient member on the side of the plug away from the nozzle opening, a thrust surface on the end of the resilient member close to the nozzle opening, and a gap between the plug, the resilient member and the inner wall of the nozzle body. The present application has the following effects: the pressure of the lotion on the thrust surface is eliminated, the resilient member will restore its deformation, the plug will be embedded in the nozzle opening, thereby closing the main body, and the lotion in the nozzle body will not be in direct contact with the outside world, reducing the influence of the outside world on the internal lotion.

Description

Technical Field

[0001] The present application relates to the technical field of lotion spray cans, and in particular to a lotion spray head. Background Art

[0002] In the process of daily skin care, lotion spray cans are often used. The lotion spray cans are provided with a spray head, and the spray head has a nozzle. The lotion can be pumped up through a pump rod in the tank body and squeezed out from the nozzle.

[0003] However, the inventors found that after the emulsion is squeezed out, the inside of the nozzle is directly connected to the outside air. After use, the outside air will come into contact with the emulsion remaining inside the nozzle. There are several situations in which the emulsion is dehydrated and dried into blocks, which are difficult to squeeze out; or it is contaminated by the outside air, affecting the emulsion in the tank. Summary of the invention

[0004] In order to seal the nozzle after extrusion, the present application provides an emulsion spray head.

[0005] The present application provides an emulsion spray nozzle, which adopts the following technical solution: an emulsion spray nozzle, comprising a main body, a spray slot being provided on the main body, a nozzle body with a hollow structure being arranged in the spray slot, a nozzle outlet being provided on one side of the nozzle body, a plug being slidably connected in the nozzle body for closing the nozzle outlet, a rebound member being provided on a side of the plug away from the nozzle outlet, a thrust surface being provided on an end of the rebound member close to the nozzle outlet, and gaps being present between the plug member, the rebound member and the inner wall of the nozzle body.

[0006] By adopting the above technical solution, when the main body is pressed, the emulsion will be pumped up and enter the gap between the rebound part and the nozzle body, and move toward one side of the nozzle. At this time, the plug is embedded in the nozzle to seal the interior, and then the emulsion moves to the thrust surface, causing the rebound part to be compressed and deformed, thereby driving the plug to separate from the nozzle. At this time, the emulsion will be squeezed out from the nozzle, and when the main body is not pressed, the pressure of the emulsion on the thrust surface is eliminated, the rebound part will restore the deformation, and the plug will be embedded in the nozzle, thereby closing the main body. The emulsion in the nozzle body will not directly contact the outside world, reducing the influence of the outside world on the internal emulsion.

[0007] Preferably, the resilient member is a telescopic column, the plug column is arranged on one end of the telescopic column close to the nozzle, at least one telescopic deformation groove is arranged on the side wall of the telescopic column, an expansion cavity is provided in the telescopic column, the telescopic deformation groove is connected with the expansion cavity, and the expansion cavity is connected with the main body.

[0008] By adopting the above technical solution, when the emulsion acts on the thrust surface, since there is an expansion cavity inside the telescopic column, the telescopic column will be deformed and compressed through the telescopic deformation groove, and the emulsion will also enter from the expansion cavity.

[0009] Preferably, the telescopic deformation groove is spiral-shaped.

[0010] By adopting the above technical solution, when the thrust surface is squeezed, the telescopic column will be compressed in a spiral shape, the gap between the two sides of the telescopic deformation groove will be reduced, the emulsion can pass normally, and the compression function will be achieved at the same time.

[0011] Preferably, the telescopic deformation groove comprises a spiral section and a reinforcement section, the spiral section is spirally arranged on the telescopic column, the reinforcement section is circumferentially arranged, and the spiral section and the reinforcement section are connected end to end in sequence.

[0012] By adopting the above technical solution, while being able to be compressed in a spiral shape, it is taken into consideration that during the production process, the telescopic column needs to form a telescopic deformation groove when it is formed. If they are all spiral, they are very likely to break when pulled, because the pulling force is along the radial direction, and the spiral side wall is easy to break when pulled. After adding the circumferentially arranged reinforcement section, it can withstand greater pulling force, reduce the possibility of breakage, and reduce the defective rate during production.

[0013] Preferably, the telescopic column has an abutment block at one end away from the nozzle, the nozzle body has an accommodating groove for the abutment block to be embedded at one end away from the nozzle, and the nozzle groove has a pressing block for abutting against the end of the nozzle body away from the nozzle.

[0014] By adopting the above technical solution, when the telescopic column is telescopically moving, the pressing block is limited in the accommodating groove, and under the joint action of the pressing block, when the telescopic column is acted upon by the emulsion, one end of the telescopic column can be kept fixed, reducing the possibility of the plug column being unable to be engaged due to offset.

[0015] Preferably, two pressing blocks are provided and are in an arc shape adapted to the end of the telescopic column.

[0016] By adopting the above technical solution, while the pressing block is pressed against one end of the telescopic column, the arc-shaped setting enables the emulsion to enter the nozzle body normally, thereby reducing the impact of liquid inflow.

[0017] Preferably, a deformation ring for abutting against an inner wall of the spray slot is provided on the circumferential side wall of the nozzle body, and an accommodating ring groove for embedding the deformation ring is provided on the inner wall of the spray slot.

[0018] By adopting the above technical solution, when installing the nozzle body, the deformation ring can be embedded in the accommodating ring groove, limiting the nozzle body in the starting direction of the spray slot, thereby improving the stability and firmness during liquid extrusion.

[0019] Preferably, the nozzle body comprises a first cavity of equal diameter and a second cavity of reduced diameter, the telescopic column has a frustoconical protrusion at one end close to the nozzle, the upper bottom surface of the protrusion is the thrust surface, and the second cavity comprises a thrust block abutting against the thrust surface.

[0020] By adopting the above technical solution, when the emulsion moves in the nozzle body, from the first cavity to the second cavity, the reduction in diameter will have an acceleration effect, which is convenient for squeezing the thrust surface, and when the thrust block can abut against the thrust surface, it can play a stabilizing role.

[0021] Preferably, the thrust block is close to a side surface of the plug and is parallel to the central axis of the plug, and no less than three thrust blocks are arranged along the circumferential direction.

[0022] By adopting the above technical solution, when the plug moves away from the nozzle, the thrust block will limit the plug in the radial direction. When the pumping is completed and the telescopic column rebounds, the plug can also be inserted into the nozzle under the action of the thrust block, thereby improving the sealing performance.

[0023] Preferably, the end of the plug is semi-spherical.

[0024] By adopting the above technical solution, the semi-spherical plug end is easy to be embedded in the nozzle, thereby improving the closing accuracy.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] 1. After the pumping is completed, the emulsion will squeeze the thrust surface, compressing the telescopic column, and the plug will be detached. When the pumping is completed, the telescopic column will return to its original state, causing the plug to be embedded in the nozzle for sealing, thus reducing the impact of the outside world on the emulsion in the nozzle body.

[0027] 2. By arranging the spiral section and the reinforcement section on the telescopic column, the telescopic column can be deformed and the strength during processing and manufacturing can be improved, thereby reducing the defective rate;

[0028] 3. When the emulsion moves in the nozzle body, from the first cavity to the second cavity, the reduction in diameter will accelerate the movement, making it easier to squeeze the thrust surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a schematic diagram of the structure of Example 1 of the present application;

[0030] Figure 2 is an explosion diagram of Example 1 of the present application;

[0031] Figure 3 is a partial cross-sectional view of Example 1 of the present application;

[0032] Figure 4 is a cross-sectional view of the nozzle body in Example 1 of the present application;

[0033] Figure 5 is a schematic structural diagram of the telescopic column in Example 1 of the present application;

[0034] Figure 6 It is a schematic diagram of the structure of the telescopic column in Example 2 of the present application.

[0035] Explanation of the reference numerals: 100, main body; 110, spray groove; 111, nozzle body; 112, nozzle; 113, telescopic column; 114, thrust surface; 115, plug column; 116, telescopic deformation groove; 117, expansion cavity; 120, thrust block; 121, guide arc surface; 122, abutment block; 123, accommodating groove; 124, blocking block; 130, pressure block; 140, deformation ring; 141, accommodating ring groove; 151, first cavity groove; 152, second cavity groove; 153, protrusion; 161, spiral section; 162, reinforcement section. DETAILED DESCRIPTION

[0036] The present application is further described in detail below in conjunction with the accompanying drawings.

[0037] Embodiment 1:

[0038] A lotion spray head, referring to Figure 1 , Figure 2 , including a main body 100, the main body 100 has a spray slot 110, the spray slot 110 is embedded with a nozzle body 111, and the nozzle body 111 is a hollow structure. One side of the nozzle body 111 has a nozzle 112, and the other side is an opening, and one end of the opening is embedded in the spray slot 110. The spray slot 110 is connected to the inside of the tank body, and the main body 100 is connected to the pump rod. When the main body 100 is pressed, the emulsion in the tank body will be drawn into the spray slot 110 of the main body 100, and then enter the nozzle body 111, and finally sprayed out from the nozzle 112.

[0039] Reference Figure 2 The nozzle body 111 has a deforming ring 140 on its circumferential side wall for abutting against the inner wall of the spray slot 110. Correspondingly, the inner wall of the spray slot 110 has an accommodating ring groove 141 for the deforming ring 140 to be embedded. When the nozzle body 111 is embedded in the spray slot 110, the deforming ring 140 is embedded and can play a fixing role.

[0040] Reference Figure 3A plug column 115 for closing the nozzle opening 112 is slidably connected in the nozzle body 111, and a resilient member is also provided in the nozzle body 111. In this embodiment, the resilient member is a telescopic column 113, and the telescopic column 113 has an expansion cavity 117 therein, one end of which is open and the other end is closed. The plug column 115 is integrally arranged on one end of the telescopic column 113 close to the nozzle opening 112, that is, arranged on the closed side.

[0041] Reference Figure 4 , Figure 5 The nozzle body 111 includes a first cavity 151 of equal diameter and a second cavity 152 of reduced diameter. The end of the telescopic column 113 close to the nozzle 112 has a frustoconical protrusion 153. There are gaps between the outer wall of the telescopic column 113, the plug 115 and the inner wall of the nozzle body 111. The end of the telescopic column 113 close to the nozzle 112 has a thrust surface 114. In this embodiment, the thrust surface 114 is the upper bottom surface of the protrusion 153.

[0042] A spiral telescopic deformation groove 116 is provided on the side wall of the telescopic column 113, and the telescopic deformation groove 116 is connected to the inside of the telescopic column 113. When the pump rod pumps the emulsion up, it will move to the nozzle 112 through the inside of the telescopic column 113 and the gap between the telescopic column 113 and the inner wall of the nozzle body 111. The emulsion will hit the thrust surface 114, so that the telescopic column 113 is compressed and deformed along the telescopic deformation groove 116, and the plug 115 will be separated from the nozzle 112, thereby squeezing out the emulsion. When the liquid is discharged, the telescopic column 113 will return to its original state, so that the plug 115 will be embedded in the nozzle 112 for sealing.

[0043] In order to facilitate the insertion of the plug 115 into the nozzle 112, the second cavity 152 is provided with a thrust block 120 on the inner wall of the nozzle body 111, which contacts the thrust surface 114. At the same time, the thrust block 120 is parallel to the central axis of the plug 115 and is close to the side of the plug 115. There are no less than three thrust blocks 120 arranged along the circumferential direction, and four thrust blocks 120 are arranged in this embodiment. At the same time, the end of the thrust block 120 away from the nozzle 112 is provided as a guide arc surface 121. Correspondingly, the end of the plug 115 is semi-spherical. When the plug 115 is completely separated from the thrust block 120 and then inserted, the end of the plug 115 will contact the guide arc surface 121, thereby playing a guiding role; and when the plug 115 is not completely separated, it will be limited by the thrust block 120, so as to facilitate the insertion into the nozzle 112 again.

[0044] The end of the telescopic column 113 away from the nozzle 112 has an abutment block 122, which is integrally arranged on the outer wall of the telescopic column 113. A plurality of abutment blocks 122 are arranged along the circumferential direction. The end of the nozzle body 111 away from the nozzle 112 has a receiving groove 123 for the abutment block 122 to be embedded. The nozzle groove 110 has a pressing block 130 for abutting against the end of the nozzle body 111 away from the nozzle 112. Two pressing blocks 130 are provided, and they are arc-shaped and adapted to the end of the telescopic column 113. After being assembled, the concave parts of the two pressing blocks 130 are arranged opposite to each other, and the emulsion is allowed to enter the expansion chamber 117 between the two. The pressing blocks 130 and the abutment blocks 122 are limited on both sides of the telescopic column 113 to limit the axial direction of the telescopic column 113.

[0045] More preferably, the bottom of the accommodating groove 123 has a blocking block 124 for embedding between two adjacent abutment blocks 122. After the abutment block 122 and the blocking block 124 are combined, that is, a blocking block 124 is embedded between every two abutment blocks 122, the gap between the telescopic column 113 and the nozzle body 111 is covered. At this time, the emulsion can only enter through the expansion cavity 117 and be squeezed out from the telescopic deformation groove 116, and since the gap is covered, the emulsion will move toward the nozzle 112, so as to facilitate the action of the thrust surface 114.

[0046] The implementation principle of the emulsion spray head in Example 1 of the present application is as follows: by pressing the main body 100, the pump rod can pump the emulsion into the spray slot 110, enter through the two pressing blocks 130, and then move from the inside to the outside to the gap between the telescopic column 113 and the nozzle body 111, and then move toward the side of the nozzle 112. Since the nozzle 112 is sealed by the plug column 115 at this time, the emulsion will act on the thrust surface 114.

[0047] At this time, the emulsion will push the telescopic column 113 to deform, and the telescopic column 113 will spirally rotate along the telescopic deformation groove 116 and shrink. At this time, the plug 115 will be separated from the nozzle 112, thereby opening the nozzle 112 and squeezing out the emulsion. After the extrusion is completed, the deformation ability of the telescopic column 113 itself will drive it to extend, and the plug 115 will move in the opposite direction. When the plug 115 conflicts with the limit block, the plug 115 can keep moving along the direction of the central axis of the nozzle 112, and the plug 115 can be inserted more smoothly, so that the nozzle 112 can be closed, reducing the situation where the air outside the bottle affects the emulsion in the bottle.

[0048] Embodiment 2:

[0049] The difference between Example 2 and Example 1 is that, referring to Figure 6The telescopic deformation groove 116 includes a spiral section 161 and a reinforcement section 162. The spiral section 161 is spirally arranged on the telescopic column 113, and the reinforcement section 162 is arranged along the circumferential direction, and the spiral section 161 and the reinforcement section 162 are connected end to end in sequence. The reinforcement section 162 is arranged because, in the production process, the telescopic column 113 needs to be formed into the telescopic deformation groove 116 when it is formed. If all of them are spiral, they are very easy to break when pulled, because the pulling force is radially, and the spiral side wall is easy to break when pulled. After adding the reinforcement section 162 arranged circumferentially, it can withstand greater pulling force, reduce the situation of breakage, and reduce the defective rate during production.

[0050] The embodiments of this specific implementation method are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, all equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An emulsion spray head, comprising a main body (100), characterized in that: The main body (100) is provided with a spray slot (110), a nozzle body (111) of a hollow structure is arranged in the spray slot (110), one side of the nozzle body (111) is provided with a spray port (112), a plug (115) for closing the spray port (112) is slidably connected in the nozzle body (111), a side of the plug (115) away from the spray port (112) is provided with a rebound member, an end of the rebound member close to the spray port (112) is provided with a thrust surface (114), and a gap exists between the plug (115), the rebound member and the inner wall of the nozzle body (111); The resilient member is a telescopic column (113); the plug column (115) is arranged on one end of the telescopic column (113) close to the nozzle (112); at least one telescopic deformation groove (116) is arranged on the side wall of the telescopic column (113); an expansion cavity (117) is provided in the telescopic column (113); the telescopic deformation groove (116) is communicated with the expansion cavity (117); the expansion cavity (117) is communicated with the inside of the main body (100); one end of the expansion cavity (117) is open and the other end is closed; the plug column (115) is arranged on the closed side of the expansion cavity (117); The telescopic deformation groove (116) comprises a spiral section (161) and a reinforcement section (162); the spiral section (161) is arranged on the telescopic column (113) in a spiral shape; the reinforcement section (162) is arranged along the circumferential direction; and the spiral section (161) and the reinforcement section (162) are connected end to end in sequence.

2. An emulsion spray head according to claim 1, characterized in that: The telescopic deformation groove (116) is spiral-shaped.

3. An emulsion spray head according to claim 1, characterized in that: The end of the telescopic column (113) away from the nozzle (112) has an abutment block (122), the end of the nozzle body (111) away from the nozzle (112) has an accommodating groove (123) for the abutment block (122) to be embedded, and the nozzle groove (110) has a pressing block (130) for abutting against the end of the nozzle body (111) away from the nozzle (112).

4. An emulsion spray head according to claim 3, characterized in that: Two pressing blocks (130) are provided and are in an arc shape adapted to the end of the telescopic column (113).

5. The emulsion spray head according to claim 1, characterized in that: The circumferential side wall of the nozzle body (111) is provided with a deformable ring (140) for contacting the inner wall of the spray slot (110), and the inner wall of the spray slot (110) is provided with an accommodating ring groove (141) for the deformable ring (140) to be embedded.

6. The emulsion spray head according to claim 2, characterized in that: The nozzle body (111) comprises a first cavity (151) of equal diameter and a second cavity (152) of reduced diameter; the telescopic column (113) has a truncated cone-shaped protrusion (153) at one end close to the nozzle (112); the upper bottom surface of the protrusion (153) is the thrust surface (114); and the second cavity (152) comprises a thrust block (120) that abuts against the thrust surface (114).

7. An emulsion spray head according to claim 6, characterized in that: The thrust block (120) is close to a side surface of the plug (115) and is parallel to the central axis of the plug (115), and no less than three thrust blocks (120) are arranged along the circumferential direction.

8. An emulsion spray head according to claim 7, characterized in that: The end of the plug (115) is semi-spherical.

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