CN216835263U - Emulsion pump safety stop device - Google Patents
Emulsion pump safety stop device Download PDFInfo
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- CN216835263U CN216835263U CN202220258056.7U CN202220258056U CN216835263U CN 216835263 U CN216835263 U CN 216835263U CN 202220258056 U CN202220258056 U CN 202220258056U CN 216835263 U CN216835263 U CN 216835263U
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Abstract
The utility model relates to a lotion pump safety card ends device, including helicoidal, press the head, end the cover and put the end cover that stops in first assembly cover periphery with the cover can circumferential direction, should end the cover and be C shape structure, end and correspond on the inner wall of cover and the outer wall that first equipment was supporting and be provided with and enable C shape structure along the cooperation structure that radially expands or reset. The utility model discloses a stop the cover volume very little, compact with the cooperation of emulsion pump itself, when need not use the emulsion pump, it makes it be in the expansion state to rotate the stop cover, the up end that stops the cover corresponds the supporting lower terminal surface arrangement of third equipment, can prevent to press the head down to press, when needs use the emulsion pump, it makes it be in the state of resetting to rotate the stop cover, the up end that the cover was put to the card corresponds the supporting inboard cavity arrangement of third equipment, press the head down to press this moment, whole locking and unblock process are through the elastic deformation that stops cover itself and the realization that resets, it is little to take place the stroke, and is stable and reliable, and convenient for operation.
Description
Technical Field
The utility model relates to a lotion pump technical field specifically indicates a lotion pump safety stop device.
Background
Emulsion pumps have been used in a wide variety of applications. In order to prevent the emulsion from leaking when the button of the emulsion pump is pressed by mistake in the transportation process or daily life, the top of the emulsion pump is usually provided with a clamping structure which can lock or unlock the button.
For example, Chinese patent publication No. CN102616478B, safety clip for lotion pump (application No.: CN201110034451.3), discloses a structure comprising: a first annular portion with a gap and having a first diameter; and a second annular portion, also notched and having a second diameter, wherein the first and second annular portions are joined to each other by their respective notched portions, the first diameter of the first annular portion being smaller than the second diameter of the second annular portion. With the above configuration, when the lock is required, the first annular portion having a small diameter is locked below the knob, and when the lock is required, the second annular portion having a large diameter is placed below the knob. Although above-mentioned structure is fairly simple, it can realize with the unblock process move need consume great power, and it is inconvenient to use, and under non-locking state, the pump head rocks relatively to the checkpost moreover, has the possibility of blocking according to the head mistake, can influence user experience sense to a great extent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art's current situation, provide one kind and be convenient for lock and the good emulsion pump safety clamping device of stability under the locking state according to the head.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a safe clamping device for an emulsion pump comprises a helicoidal ring and a press head, wherein an opening and a first assembly sleeve extending upwards around the opening are arranged on the top wall of the helicoidal ring, the press head is arranged on the helicoidal ring in a vertically movable mode and provided with a second assembly sleeve capable of being inserted into the first assembly sleeve, the press head is further provided with a third assembly sleeve arranged corresponding to the periphery of the first assembly sleeve, the press head further comprises a clamping sleeve capable of being sleeved on the periphery of the first assembly sleeve in a circumferentially rotatable mode, the clamping sleeve is of a C-shaped structure, and a matching structure capable of enabling the C-shaped structure to be expanded or reset along the radial direction is correspondingly arranged on the inner wall of the clamping sleeve and the outer wall of the first assembly sleeve;
under the expansion state of the C-shaped structure, the upper end surface of the clamping sleeve is arranged corresponding to the lower end surface of the third assembly sleeve to prevent the press head from pressing downwards;
in the reset state of the C-shaped structure, the upper end face of the clamping sleeve is arranged corresponding to the cavity on the inner side of the third assembling sleeve to allow the press head to be pressed downwards.
In the utility model, a first pit extending longitudinally is arranged on the outer wall surface of the first assembly sleeve, correspondingly, a convex part which can be matched with the depth of the first pit and clamped into the first pit is arranged on the inner wall surface of the clamping sleeve, and a second pit which is arranged at intervals with the first pit and has the depth smaller than the first pit is also arranged on the outer wall surface of the first assembly sleeve; the first concave pit, the second concave pit and the convex part form the matching structure together;
when the clamping sleeve rotates to a state that the convex part is matched and contacted with the second concave pit, the clamping sleeve is in an expanded state;
when the clamping sleeve rotates to a state that the convex part is in fit contact with the first concave pit, the clamping sleeve is in a reset state.
The clamping sleeve of the utility model is made of plastic, is easy to expand when being extruded and can automatically reset to the original state when the external force is eliminated. When the lotion pump is not used, the clamping sleeve is rotated until the convex part is abutted in the second concave pit, and the size of the convex part is larger than that of the second concave pit, so that the clamping sleeve is extruded by the inner wall surface of the second concave pit to radially expand, at the moment, the expanded clamping sleeve is just arranged corresponding to the lower end surface of the third assembly sleeve of the press head, and when the press head is pressed downwards, the clamping sleeve is abutted against the third assembly sleeve to prevent the press head from moving downwards; when the lotion pump is used, the clamping sleeve is rotated to enable the convex part to abut against the first concave pit, and the size of the convex part is matched with that of the first concave pit, so that the first concave pit is only used for accommodating the convex part and cannot extrude the convex part, the clamping sleeve is in a reset state, at the moment, the clamping sleeve corresponds to the space arrangement between the second assembling sleeve and the third assembling sleeve of the press head, the limiting effect on the press head is eliminated, and the press head can be pressed downwards.
Preferably, the cross sections of the first pit and the second pit are both arc-shaped structures, the edges on two sides of each arc-shaped structure are in smooth transition connection with the outer wall surface of the first assembly, and correspondingly, the convex part is an arc-shaped convex column in smooth transition connection with the edges on two sides and the inner wall surface of the clamping sleeve. By adopting the structure, the consumer can save labor when rotating the clamping sleeve, and meanwhile, the abrasion of the clamping sleeve and the first assembly is reduced, and the service life is prolonged.
In order to improve the matching stability, the number of the first pits is at least two, the number of the second pits is at least two, and the first pits and the second pits are alternately arranged at intervals in the circumferential direction of the first assembling set.
Preferably, the thickness of the upper part of the first assembly set is smaller than that of the lower part, a step surface is formed between the upper part and the lower part of the first assembly set, the first concave pit and the second concave pit both extend downwards from the step surface, the deepest part of the first concave pit is arranged close to the outer wall surface of the upper part of the first assembly set, and the depth of the second concave pit is 1/8-1/2 of the depth of the first concave pit. The structure limits the position between the top of the clamping sleeve and the first assembling sleeve, and is beneficial to improving the compactness and the stability of the matching.
Preferably, the top edge of the clamping sleeve is provided with a limiting ring which extends inwards and covers the step surface, and the inner edge of the top of the limiting ring is provided with an arc-shaped guide rib which extends vertically; under the expansion state of the clamping sleeve, the arc-shaped guide rib and the inner wall surface of a third assembling sleeve of the pressing head form radial limit; and under the reset state of the clamping sleeve, the arc-shaped guide rib and the outer wall surface of the upper part of the first assembly set form radial limit. The structure can ensure that the clamping sleeve is exactly corresponding to the third assembling sleeve under the expansion state.
Preferably, the outer wall surface of the lower end of the first assembling sleeve is provided with a sliding groove extending along the circumferential direction, and correspondingly, the inner wall surface of the clamping sleeve is provided with a convex card which can be clamped in the sliding groove and can slide back and forth along the sliding groove. The structure restricts the rotation stroke of the clamping sleeve, and is convenient for locking or unlocking the press head; meanwhile, the bottom of the clamping sleeve is restrained on the first assembly sleeve by the cooperation of the convex card and the sliding groove, and the structure is mutually matched with the limiting ring and the step surface to jointly form a limiting structure for preventing the clamping sleeve from separating from the first assembly sleeve.
In order to facilitate the operation of consumers, the peripheral wall of the clamping sleeve is provided with a poking block.
The utility model discloses an emulsion pump is still including being arranged in the pump core subassembly that pumps liquid from bottom to top, the pump core subassembly is located in the helicoid and has the water conservancy diversion passageway that corresponds first assembly cover, second assembly cover and arrange.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a card ends cover volume very little, compact with the cooperation of emulsion pump itself, when need not use the emulsion pump, it makes it be in the expansion state to rotate the card end cover, the up end that stops the cover corresponds the lower terminal surface arrangement that the third equipment is supporting, can prevent to press the head downwards, when needs use the emulsion pump, it makes it be in the state that resets to rotate the card end cover, the up end that the card put the cover corresponds the supporting inboard cavity arrangement of third equipment, press the head downwards this moment, whole locking and unblock process are through the elastic deformation that stops cover itself and the realization that resets, it is little to take place the stroke, and is stable and reliable, and convenient for operation.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 (with the button not in a depressed position);
FIG. 3 is a cross-sectional view of an embodiment of the present invention (the press head is not in a position of being limited);
fig. 4 is another cross-sectional view of the embodiment of the present invention (the press head is in a position limited);
FIG. 5 is a fitting structure of the protruding clip and the sliding groove in the embodiment of the present invention;
FIG. 6 is a schematic structural view of a coil according to an embodiment of the present invention;
FIG. 7 is a top view of FIG. 6;
fig. 8 is a schematic structural view of the locking sleeve according to the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 8, the emulsion pump safety locking device of the present embodiment includes a coil 1, a pressing head 2 and a locking sleeve 3, an opening 11 and a first assembly sleeve 12 extending upward around the opening 11 are disposed on a top wall of the coil 1, the pressing head 2 is disposed above the coil 1 in a vertically movable manner and has a second assembly sleeve 21 capable of being inserted into the first assembly sleeve 12, and the pressing head 2 is further provided with a third assembly sleeve 22 disposed corresponding to the periphery of the first assembly sleeve 12.
The clamping sleeve 3 can be sleeved on the periphery of the first assembling sleeve 12 in a circumferential rotating mode, the clamping sleeve 3 is of a C-shaped structure, and a matching structure capable of enabling the C-shaped structure to expand or reset along the radial direction is correspondingly arranged on the inner wall of the clamping sleeve 3 and the outer wall of the first assembling sleeve 12. In the C-shaped expanded state, the upper end surface of the locking sleeve 3 is arranged corresponding to the lower end surface of the third fitting sleeve 22 to prevent the pressing head 2 from being pressed downwards in the C-shaped reset state, and the upper end surface of the locking sleeve 3 is arranged corresponding to the cavity inside the third fitting sleeve 22 to allow the pressing head 2 to be pressed downwards.
In this embodiment, the outer wall surface of the first fitting sleeve 12 is provided with a first recess 121 extending longitudinally, correspondingly, the inner wall surface of the clamping sleeve 3 is provided with a protrusion 31 capable of matching with the depth of the first recess 121 and being clamped into the first recess 121, and the outer wall surface of the first fitting sleeve 12 is further provided with a second recess 122 arranged at an interval from the first recess 121 and having a depth smaller than that of the first recess 121; the first concave recesses 121, the second concave recesses 122, and the convex portions 31 together constitute the above-described fitting structure. When the clamping sleeve 3 rotates to the state that the convex part 31 is matched and contacted with the second concave pit 122, the clamping sleeve 3 is in an expanded state; when the locking sleeve 3 is rotated to a state where the convex portion 31 is in contact with the first recess 121, the locking sleeve 3 is in a reset state.
The locking sleeve 3 of the present embodiment is made of plastic, and is easily expanded when being pressed, and can be automatically returned to the original state when an external force is removed.
The cross sections of the first concave pit 121 and the second concave pit 122 are both arc-shaped structures, and both side edges of the arc-shaped structures are in smooth transition connection with the outer wall surface of the first assembly sleeve 12, and correspondingly, the convex part 31 is an arc-shaped convex column in smooth transition connection with both side edges and the inner wall surface of the clamping sleeve 3. By adopting the structure, the consumer can save labor when rotating the clamping sleeve 3, and meanwhile, the abrasion of the clamping sleeve 3 and the first assembly sleeve 12 is reduced, and the service life is prolonged.
In order to improve the fitting stability, two first recesses 121 and two second recesses 122 are provided in the present embodiment, and the first recesses 121 and the second recesses 122 are alternately arranged at intervals in the circumferential direction of the first fitting sleeve 12.
In this embodiment, the thickness of the upper portion 12a of the first housing 12 is smaller than that of the lower portion 12b, a step surface 120 is formed between the upper portion 12a and the lower portion 12b of the first housing 12, a first recess 121 and a second recess 122 both extend downward from the step surface 120, the deepest portion of the first recess 121 is disposed near the outer wall surface of the upper portion 12a of the first housing 12, and the depth of the second recess 122 is 1/8 to 1/2 of the depth of the first recess 121. The structure limits the position between the top of the clamping sleeve 3 and the first assembling sleeve 12, and is beneficial to improving the compactness and the stability of the matching.
The top edge of the clamping sleeve 3 is provided with a limiting ring 32 which extends inwards and covers the step surface 120, and the top inner edge of the limiting ring 32 is provided with an arc-shaped guide rib 33 which extends vertically; under the expansion state of the clamping sleeve 3, the arc-shaped guide rib 33 and the inner wall surface of the third assembly sleeve 22 of the press head 2 form radial limit, namely, the arc-shaped guide rib is positioned outside the third assembly sleeve 22 to avoid expansion transition so as to ensure that the upper end of the clamping sleeve 3 under the expansion state is arranged corresponding to the lower end of the third assembly sleeve 22. In the reset state of the stop sleeve 3, the arc-shaped guiding rib 33 and the outer wall surface of the upper part 12a of the first assembly sleeve 12 form a radial limit position, so as to avoid the over-compact matching between the convex part 31 and the first concave part 121, and facilitate the switching of the stop sleeve 3 by consumers.
The outer wall surface of the lower end of the first assembly sleeve 12 of this embodiment is provided with a sliding groove 123 extending along the circumferential direction, and correspondingly, the inner wall surface of the clamping sleeve 3 is provided with a protruding card 34 which can be clamped in the sliding groove 123 and can slide back and forth along the sliding groove 123, and the width of the protruding card 34 is much smaller than the length of the sliding groove 123. The structure restricts the rotation stroke of the clamping sleeve 3, and is convenient for locking or unlocking the press head 2; meanwhile, the bottom of the clamping sleeve 3 is also constrained on the first assembling sleeve 12 by the cooperation of the convex card 34 and the sliding groove 123, and the structure is mutually matched with the limiting ring 32 and the step surface 120 to jointly form a limiting structure for preventing the clamping sleeve 3 from being separated from the first assembling sleeve 12.
In order to facilitate the operation of the consumer, the outer peripheral wall of the locking sleeve 3 is provided with a poking block 35.
When the lotion pump is not used, the clamping sleeve 3 is rotated until the convex part 31 is abutted in the second concave pit 122, and because the size of the convex part 31 is larger than that of the second concave pit 122, the clamping sleeve 3 is extruded by the inner wall surface of the second concave pit 122 to be radially expanded, at the moment, the expanded clamping sleeve 3 is just arranged corresponding to the lower end surface of the third assembly sleeve 22 of the press head 2, and when the press head 2 is pressed downwards, the clamping sleeve 3 is abutted against the third assembly sleeve 22 so as to prevent the press head 2 from moving downwards; when the lotion pump is used, the clamping sleeve 3 is rotated until the convex part 31 is abutted in the first concave part 121, and the size of the convex part 31 is matched with that of the first concave part 121, so that the first concave part 121 is only used for accommodating the convex part 31 without extruding the convex part 31, the clamping sleeve 3 is in a reset state, at the moment, the clamping sleeve 3 corresponds to the space arrangement between the second assembly sleeve 21 and the third assembly sleeve 22 of the press head 2, the limiting effect on the press head 2 is eliminated, and the press head 2 can be pressed downwards. The clamping sleeve 3 in the embodiment has small volume and is compact in matching with the emulsion pump, the whole locking and unlocking process is realized by elastic deformation and resetting of the clamping sleeve 3, the stroke is small, and the clamping sleeve is stable, reliable and convenient to operate.
The emulsion pump of the embodiment also comprises a pump core assembly 5 for pumping liquid from bottom to top, wherein the pump core assembly 5 is arranged in the spiral ring 1 and is provided with a flow guide channel 51 arranged corresponding to the first assembly sleeve 12 and the second assembly sleeve 21.
Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.
Claims (9)
1. The utility model provides a lotion pump safety clamping device, includes helicoidal and press the head, set up the opening on the roof of helicoidal and around the first dress of this opening upwards extension supporting, press the head can locate on the helicoidal with reciprocating and have the second dress that can plant in first dress is supporting, press the head still to be provided with the third dress that corresponds the peripheral of first dress supporting and arrange supporting, its characterized in that: the clamping sleeve is sleeved on the periphery of the first assembling sleeve in a circumferential rotating manner and is of a C-shaped structure, and a matching structure capable of enabling the C-shaped structure to expand or reset along the radial direction is correspondingly arranged on the inner wall of the clamping sleeve and the outer wall of the first assembling sleeve;
under the expansion state of the C-shaped structure, the upper end surface of the clamping sleeve is arranged corresponding to the lower end surface of the third assembly sleeve to prevent the press head from pressing downwards;
in the reset state of the C-shaped structure, the upper end face of the clamping sleeve is arranged corresponding to the cavity on the inner side of the third assembling sleeve to allow the press head to be pressed downwards.
2. A lotion pump safety stop device according to claim 1, characterized in that: the outer wall surface of the first assembly set is provided with a first pit extending longitudinally, correspondingly, the inner wall surface of the clamping sleeve is provided with a convex part which can be matched with the depth of the first pit so as to be clamped in the first pit, and the outer wall surface of the first assembly set is also provided with a second pit which is arranged at an interval with the first pit and has a depth smaller than that of the first pit; the first concave pit, the second concave pit and the convex part form the matching structure together;
when the clamping sleeve rotates to a state that the convex part is matched and contacted with the second concave pit, the clamping sleeve is in an expanded state;
when the clamping sleeve rotates to a state that the convex part is in fit contact with the first concave pit, the clamping sleeve is in a reset state.
3. A lotion pump safety stop device according to claim 2, characterized in that: the cross sections of the first pit and the second pit are arc-shaped structures, the edges of two sides of each arc-shaped structure are in smooth transition connection with the outer wall surface of the first assembly, and correspondingly, the convex parts are arc-shaped convex columns in smooth transition connection with the edges of the two sides and the inner wall surface of the clamping sleeve.
4. An emulsion pump safety locking device according to claim 2, characterized in that: the first pits are at least two, the second pits are at least two, and the first pits and the second pits are alternately arranged at intervals in the circumferential direction of the first assembly set.
5. An emulsion pump safety locking device according to claim 2, characterized in that: the thickness of the upper part of the first assembly set is smaller than that of the lower part of the first assembly set, a step surface is formed between the upper part and the lower part of the first assembly set, the first concave pit and the second concave pit both extend downwards from the step surface, the deepest part of the first concave pit is arranged close to the outer wall surface of the upper part of the first assembly set, and the depth of the second concave pit is 1/8-1/2 of the depth of the first concave pit.
6. A lotion pump safety stop device according to claim 5, characterized in that: the top edge of the clamping sleeve is provided with a limiting ring which extends inwards and covers the step surface, and the inner edge of the top of the limiting ring is provided with an arc-shaped guide rib which extends vertically;
under the expansion state of the clamping sleeve, the arc-shaped guide rib and the inner wall surface of a third assembling sleeve of the pressing head form radial limit;
and under the reset state of the clamping sleeve, the arc-shaped guide rib and the outer wall surface of the upper part of the first assembly set form radial limit.
7. A lotion pump safety stop device according to claim 6, characterized in that: the outer wall surface of the lower end of the first assembling sleeve is provided with a sliding groove extending along the circumferential direction, and correspondingly, the inner wall surface of the clamping sleeve is provided with a convex card which can be clamped in the sliding groove and can slide along the sliding groove in a reciprocating manner.
8. A lotion pump safety catch device according to any one of claims 1-7, wherein: the periphery wall of the clamping sleeve is provided with a poking block.
9. A lotion pump safety catch device according to any one of claims 1 to 7, wherein: the liquid pump is characterized by further comprising a pump core assembly for pumping liquid from bottom to top, wherein the pump core assembly is arranged in the spiral ring and is provided with a flow guide channel corresponding to the first assembling sleeve and the second assembling sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220258056.7U CN216835263U (en) | 2022-01-27 | 2022-01-27 | Emulsion pump safety stop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220258056.7U CN216835263U (en) | 2022-01-27 | 2022-01-27 | Emulsion pump safety stop device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216835263U true CN216835263U (en) | 2022-06-28 |
Family
ID=82088408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220258056.7U Active CN216835263U (en) | 2022-01-27 | 2022-01-27 | Emulsion pump safety stop device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216835263U (en) |
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2022
- 2022-01-27 CN CN202220258056.7U patent/CN216835263U/en active Active
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