CN111422490A - Emulsion pump - Google Patents

Abstract

A lotion pump convertible between a locked condition and a use condition, the lotion pump comprising: the pressure head comprises a pressure nozzle extending out, a piston rod is connected below the pressure head, and the piston rod extends into the pump body. When the emulsion pump is in the locking state, the pressure head protection device bears or limits the load acting on the pressure nozzle of the pressure head. By means of the emulsion pump structure, the leakage or damage of the emulsion pump caused by the stress of the pressure nozzle can be avoided or reduced in the product conveying process.

Description

lotion pump

technical field

The present invention relates to a lotion pump for dispensing a flowable product in a liquid, semi-liquid or the like contained in a product container.

Background technique

At present, with the vigorous development of e-commerce, the proportion of online shopping in the whole consumption is also increasing. More and more products are sold online and delivered to your door by courier. On the one hand, this sales method brings great convenience to consumers, and on the other hand, it also puts forward higher requirements on the packaging of goods. In the process of express delivery, due to one more link of packaging and delivery, the probability of damage will increase. For example, during express delivery, goods are more susceptible to bumps, and are easily mixed, secondary packaging is not in place, and even more likely to fall during delivery, and so on.

For toiletries such as body washes, shampoos, conditioners, etc., the container holding these products typically has a lotion pump on it for dispensing the product from the container. A lotion pump 1 is shown in FIG. 18 , which includes a pressure head 10 , a mouthpiece 20 and a cylinder 30 . During transportation and storage, the ram 10 is in a locked state that is pressed down. The pressure head 10 includes a pressure nozzle 11 projecting outward. During the transportation process including express delivery, the protruding nozzle 11 is easily affected by external force, resulting in the loosening of the lotion pump mouthpiece 20, the loosening of the pressure head 10, or even bouncing up, so that the product will be released from the neck of the lotion pump. The part leaks out, and in addition, the pressure nozzle 11 may be broken due to collision.

With the development of e-commerce, these problems of lotion pumps in the express delivery process have become increasingly prominent. Therefore, in the field of lotion pumps, there is an increasing need for a lotion pump with an improved structure, which can overcome the above-mentioned problems of easy leakage and damage during transportation.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a lotion pump with an improved structure, which can be free from leakage and damage of the pressure head caused by external impact during transportation.

The invention relates to a lotion pump, which can be switched between a locked state and a use state, the lotion pump comprising: a pressure head, the pressure head includes a protruding pressure nozzle, and a piston rod is connected below the pressure head ; and the pump body, the piston rod protrudes into the pump body, and in the locked state, the pressure head is close to the pump body or in contact with the pump body. Wherein, the lotion pump further includes a pressure head protection device, the pressure head protection device is formed on the pump body and/or the pressure head, when the lotion pump is in the locked state, the pressure head protection device carries or restricts the action on the pressure head The load on the pressure nozzle of the head.

By means of the pressure head protection device provided on the lotion pump, the pressure nozzle can be protected from the impact load of the outside world when the lotion pump is in a locked state, or can bear the load exerted on the pressure nozzle. In this way, leakage or damage of the lotion pump due to the pressure on the nozzle can be avoided or reduced during the product delivery process.

In the above technical solution, the pump body may be a tooth sleeve including a lotion pump and a cylinder, and the piston rod is specifically protruded into the cylinder. And further, the pump body may also include at least one of a cylinder head and an additionally provided cover (if the lotion pump includes these components), wherein the cover is for covering the mouthpiece and/or the cylinder head.

In a specific implementation structure, the pressure head protection device is a recess formed on the top of the pump body, and when the lotion pump is in the locked state, the pressure head is at least partially accommodated in the recess. Preferably, in the locked state, the upper surface of the pressure head is located below the higher part of the top surface of the pump body, or at least flush with the higher part, so as to better protect the pressure head from the impact of external forces. .

Preferably, a stopper is formed in the recessed portion, and the stopper at least blocks the rotation of the pressure nozzle in the opening direction. Thus, the stopper prevents leakage of the indenter due to loosening of the indenter during product transport by preventing the indenter from rotating in the opening direction.

Wherein, the stopper is in the form of a stopper or a stopper tooth.

In a preferred structure, a side wall is formed between the recessed portion and the rest of the pump body, and a notch portion is formed on a portion of the side wall close to the side of the pressure nozzle facing the closing direction. The notch can facilitate the user to operate the pressure nozzle of the pressure head, so as to open the lotion pump to the use state.

In another specific implementation structure, the pressure head protection device is a support portion, and when the lotion pump is in the locked state, the support portion bears the load acting on the pressure nozzle.

The support portion may be formed on the top surface of the pump body. In this structure, when the lotion pump is in the locked state, the pressure nozzle is in contact with the support portion to carry the load acting on the pressure nozzle.

Preferably, a protruding portion is formed on the top of the supporting portion, and when the lotion pump is in the locked state, the protruding portion restricts the rotation of the nozzle.

Alternatively, the support portion can also be formed on the pressure nozzle, when the lotion pump is in the locked state, the support portion is in contact with the top surface of the pump body, and at this time, the support portion can bear the load acting on the pressure nozzle.

Further, in the structure in which the support part is formed on the pressure nozzle, the pressure head protection device further comprises a protrusion part formed on the top surface of the pump body, when the lotion pump is in the locked state, the protrusion part and the support part Cooperate to limit the rotation of the nozzle.

Description of drawings

In the attached image:

FIG. 1 is a cross-sectional view of the lotion pump of the first embodiment of the present invention, wherein the lotion pump is shown mounted on a container.

2 is a top view of the lotion pump of the first embodiment of the present invention, wherein the lotion pump is in a locked state.

FIG. 3 is a perspective view of the lotion pump shown in FIG. 2 .

FIG. 4 is a side view of the lotion pump shown in FIG. 2 .

5 is another side view of the lotion pump of the first embodiment of the present invention, wherein the lotion pump is in use.

FIG. 6 is a top view of the lotion pump shown in FIG. 5 .

FIG. 7 is a perspective view of the lotion pump shown in FIG. 5 .

8 is a cross-sectional view of the lotion pump of the second embodiment of the present invention, showing the lotion pump mounted on the container.

9 is a side view of the composition of the lotion pump and container shown in FIG. 8. FIG.

10 is a perspective view of the lotion pump of the second embodiment of the present invention, wherein the lotion pump is in a locked state.

11 is a side view of the lotion pump of the second embodiment of the present invention, wherein the lotion pump is in use.

12 is a perspective view of the pump body of the lotion pump according to the second embodiment of the present invention.

FIG. 13 is a side view of the pump body shown in FIG. 12 .

FIG. 14 is a top view of the pump body shown in FIG. 12 .

15 is a perspective view of a lotion pump of a modified configuration of the second embodiment of the present invention, wherein the lotion pump is in a locked state.

Fig. 16 is a side view of the lotion pump shown in Fig. 15, wherein the lotion pump is in use.

FIG. 17 is a plan view of the lotion pump shown in FIG. 15 .

Fig. 18 is a side view showing a conventional lotion pump.

Detailed ways

In order to facilitate understanding of the present invention, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the accompanying drawings are merely preferred embodiments of the present invention, which do not limit the scope of the present invention. Those skilled in the art can make various obvious modifications, variations and equivalent replacements to the present invention on the basis of the embodiments shown in the accompanying drawings, and under the premise of no contradiction, in the different embodiments described below The technical features can be combined arbitrarily, and these all fall within the protection scope of the present invention.

<First Embodiment>

1 to 7 show the lotion pump 100 of the first embodiment of the present invention. As shown in the cross-sectional view in FIG. 1 , the lotion pump 100 is mounted on the container 140 for dispensing the product contained in the container 140 .

The lotion pump 100 includes a pressure head 110 , a mouthpiece 120 and a cylinder 130 , and a piston rod (not shown in the figure) is connected below the pressure head 110 . Herein, the mouthpiece 120 and the cylinder 130 may be collectively referred to as a pump body. Besides, the lotion pump 100 may further include a cylinder head, and further may include a separately provided cover, which may be integrally or detachably covered on the mouthpiece and/or the cylinder head. At this time, the so-called "pump body" herein may also include the cylinder head, cover, etc., or any combination of the above-mentioned components. The piston rod not shown in the figure extends into the pump body. For example, in the structure shown in the figure, the piston rod can extend into the cylinder 130, the cylinder 130 is connected with the tooth sleeve 120, and the tooth sleeve 120 is connected to the container 140. The openings are connected, for example, by screwing, so that the lotion pump 100 is mounted on the container 140 . Hereinafter, the preferred structure of the present invention will be described by taking the pump body including the mouthpiece 120 and the cylinder 130 as an example.

2 to 4 show the lotion pump 100 of the first embodiment in a locked state, wherein FIG. 2 is a top view, FIG. 3 is a top perspective view, and FIG. 4 is a side view.

As shown in the figure, a depression 121 is formed on the top of the pump body of the lotion pump 100, for example, on the top surface of the mouthpiece 120 as shown in the figure. When the lotion pump 100 is in a locked state, the pressure head of the lotion pump 100 110 is close to the mouthpiece 120 or in contact with the mouthpiece 120, for example, in contact with the top of the mouthpiece 120, and the indenter 110 is also at least partially accommodated in a recess 121 on the mouthpiece 120, thereby protecting the indenter 110 from external impact of collision. In the preferred structure shown in the figures, the indenter 110 can be completely accommodated in the recess 121, so as to achieve as much protection of the indenter 110 as possible. Specifically, as can be seen more clearly from FIG. 3 , in a preferred implementation structure, the top surface of the mouthpiece 120 formed with the concave portion 121 is substantially stepped, at the corresponding position of the concave portion 121 . is the lower lower plane 125 , while the rest of the top surface of the mouthpiece 120 is the higher upper plane 124 . In the locked state, the top surface of the ram 110 is lower than the upper plane 124 of the pump body, or at least flush with the upper plane 124 . In this way, during transport and storage, the indenter 110 is substantially below the level of the upper plane 124, so that the indenter 111 of the indenter 110 may be protected by the sidewall 126 extending along at least a portion of the perimeter of the recess 121, by This protects the pressure nozzle 111 from a collision from the closing direction side of the pressure nozzle 111 toward the opening direction side of the pressure nozzle 111 (see FIGS. 2 and 3 ).

Further, a stopper 122 is preferably provided in the recessed portion 121 , and the stopper 122 can block the rotation of the pressure nozzle 111 toward the opening direction. For example, in the structure shown in the figure, when the lotion pump 100 is in a locked state, the stopper 122 is a column arranged on the side of the pressure nozzle 111 of the pressure head 110, more specifically, is arranged on the pressure A post at the side of the opening direction of the mouth 111 as shown in FIG. 3 . The stopper 122 may be in the shape of a stopper or a stopper tooth.

Further preferably, the top of the stopper 122 can be an inclined surface or an arc surface, so that when the user applies force to the opening direction on the side of the pressure nozzle 111 in the closing direction, the inclined surface or arc surface The shape may facilitate rotation of the nipple 111 past the stop 122, thereby further turning the ram 110 into use.

Here, the shape of the inclined surface or the arc surface of the top of the stopper 122 is also optional. For example, in an exemplary structure not shown, a weak portion may be provided at the lower portion of the stopper 122, for example, at a position close to the lower plane 125, when the user applies force to the indenter 110 to move it toward the in-use state When rotated, the stopper 122 can be broken at the weak portion, so that the pressure nozzle 111 can pass over the stopper 122 and turn to the use state.

In addition, the stopper 122 may also be disposed at other positions and in other structures, as long as it can block the rotation of the pressing nozzle 111 . For example, it can be arranged on both sides of the pressure nozzle 111, so that the rotation of the pressure nozzle 111 in both directions is prevented. In addition, the stopper 122 may also be in the shape of a ridge. Alternatively, the stopper 122 can also be a columnar or protruding strip-like structure located under the pressure nozzle 111 , which can cooperate with a hole or a slot provided on the lower surface of the pressure nozzle 111 to block the rotation of the pressure nozzle 111 . effect.

In addition, as shown in FIGS. 2 to 4 , a notch portion 123 is formed on the side wall 126 located on one side in the closing direction of the nozzle 111 . The setting of the notch portion 123 can facilitate the user to extend their fingers to one side of the pressure nozzle 111 in the closing direction, and apply a rotational force toward the opening direction on this side, so as to rotate the pressure head 110 to the use state. Preferably, the notch portion 123 can be a part of an inverted frustoconical shape, so as to further facilitate the insertion of the user's fingers.

Figures 5-7 show the lotion pump 100 with the ram 110 rotated to the use state in side view, top view and perspective view, respectively.

<Second Embodiment>

8 to 17 show a lotion pump 200 according to a second embodiment of the present invention. In the following description of the second embodiment, for the sake of brevity, the features not included in the first embodiment are mainly described, and the same technical features as the first embodiment will not be described in detail.

As shown in FIGS. 8 and 9 , the lotion pump 200 mounted on the container 240 includes a pressure head 210 , a mouthpiece 220 and an air cylinder 230 . Like the first embodiment, the mouthpiece 220 and the cylinder 230 may be collectively referred to as a pump body. In addition, the pump body may also include at least one of components such as a cover provided separately by the cylinder head, or a combination thereof.

Different from the lotion pump 100 of the first embodiment, in the structure shown in the figure, the top surface of the mouthpiece 220 of the lotion pump 200 is not formed with a concave portion, but instead is formed with a support portion 221 . The support portion 221 may be a support block, a support bar, or other available shapes, such as a column shape, a sheet shape, and the like. When the lotion pump 200 is in the locked state, the position of the support portion 221 corresponds to the pressure nozzle 211 of the pressure head 210, and can support the pressure nozzle 211 in the locked state. In this way, during transportation, if the pressure head 210 of the lotion pump 200 is impacted due to falling, collision, etc., the impact force can be transmitted to the support part 221, which can prevent the pressure nozzle 211 from being broken due to the force, and thus Protect the function of the pressure nozzle 211 .

Figures 10 to 14 show a lower locking head type lotion pump 200, wherein in the locked state, the pressure head 210 is in a downward pressure position. In this lotion pump 200, the height of the support portion 221 is set relatively low, so that when the lotion pump 200 is in a locked state, it can cooperate with the pressing nozzle 211 in the downward pressure position.

Preferably, as shown more clearly in FIG. 12 , protruding portions 222 , such as two protruding strips, two protruding points, etc., are formed on the upper surface of the supporting portion 221 . When the indenter 210 is in the depressed position, the protrusion 222 can limit the rotation of the indenter 211, so as to prevent the indenter 211 from rotating and opening when subjected to a collision. On the other hand, when the user is pressing When a sufficient force is applied to the nozzle 211, the pressing nozzle 211 can pass over the protruding portion 222 and rotate again, thereby switching to the use state.

In the lotion pump 200 of the second embodiment shown in FIGS. 10 to 14 , the support part 221 is formed on the mouthpiece 220 , but in another structure not shown, the support part 221 may also be formed on the mouthpiece 220 . For example, the pressure nozzle 211 of the pressure head 210 is integrally formed on the side of the pressure nozzle 211 facing the mouthpiece 220 , or formed separately, and then assembled with the pressure nozzle 211 . In this case, when the lotion pump 200 is in the locked state, the supporting part 221 is pressed down together with the pressing head 210 and comes into contact with the top surface of the mouthpiece 220, so as to abut against the top surface of the mouthpiece 220, and when the lotion When the pump 200 is switched to the use state, the support part 221 rises together with the pressure head 210 and is released from the contact with the top surface of the mouthpiece 220 . And preferably, the protruding part 222 is formed on the top surface of the mouthpiece 220 , which restricts the rotation of the pressing nozzle 211 by restricting the rotation of the support part 221 .

15 to 17 show a modified structure of the second embodiment. Specifically, the lotion pump 200' is an uplock type pump, that is, in the locked state, the head 210' is in a raised position. Accordingly, the height of the support portion 221 ′ is set relatively high, so that when the lotion pump 200 ′ is in the locked state, it can come into contact with the pressure head 210 ′ in the ascending position and support the pressure nozzle 211 of the pressure head 210 ′ '. Similar to the structures shown in Figs. 10 to 14, a protrusion portion may also be formed on the top surface of the support portion 221' for restricting the rotation of the pressing nozzle 211'.

Claims (12)

1. A lotion pump convertible between a locked condition and a use condition, the lotion pump comprising: the pressure head comprises a pressure nozzle extending out, and a piston rod is connected below the pressure head; and a pump body into which the piston rod extends, and in which the pressure head is close to or in contact with the pump body in the locked state;

the emulsion pump is characterized by further comprising a pressure head protection device, wherein the pressure head protection device is formed on the pump body and/or the pressure head, and when the emulsion pump is in the locking state, the pressure head protection device bears or limits the load acting on a pressure nozzle of the pressure head.

2. The emulsion pump of claim 1, wherein the pump body comprises a mouthpiece and a cylinder, and wherein the piston rod extends into the cylinder.

3. The emulsion pump of claim 2, wherein the pump body further comprises at least one of a cylinder head and an additionally provided cover, wherein the cover is adapted to overlie the mouthpiece and/or the cylinder head.

4. A lotion pump according to any one of claims 1 to 3, wherein the head restraint is a recess formed in the top of the pump body in which the head is at least partially received when the lotion pump is in the locked condition.

5. The lotion pump of claim 4, wherein a stopper is formed in the recess to at least block rotation of the nozzle in an opening direction.

6. The emulsion pump of claim 5, wherein the stop is in the form of a stop or tooth.

7. The lotion pump of claim 4, wherein a side wall is formed between the recess and the rest of the pump body, and a notch portion is formed on a portion of the side wall near a side of the pressure nozzle facing the closing direction.

8. A lotion pump according to any one of claims 1 to 3, characterised in that the head protection means comprises a support portion which bears the load acting on the pressure nozzle when the lotion pump is in the locked condition.

9. The lotion pump of claim 8, wherein the support portion is formed on a top surface of the pump body, and the pressure nozzle is in contact with the support portion when the lotion pump is in the locked state.

10. The lotion pump of claim 9, wherein a protrusion is formed at the top of the support portion, the protrusion limiting the rotation of the pressure nozzle when the lotion pump is in the locked state.

11. The lotion pump of claim 8, wherein the support portion is formed on the pressure nipple, the support portion contacting a top surface of the pump body when the lotion pump is in the locked state.

12. The lotion pump of claim 11, wherein the head restraint further includes a protrusion formed on a top surface of the pump body, the protrusion cooperating with the support portion to restrict rotation of the nipple when the lotion pump is in the locked state.

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