Quantitative applicator for ointment
Patent Information
- Authority / Receiving Office
- NL · NL
- Patent Type
- Patents
- Current Assignee / Owner
- BEIJING SHIJINGSHAN HOSPITAL
- Filing Date
- 2025-07-23
- Publication Date
- 2026-06-12
AI Technical Summary
Existing automatic applicators for ointment lack precise control over the amount of ointment extruded, especially for situations requiring strict dosage accuracy, leading to inconsistencies in the amount dispensed.
A movable capacity adjusting assembly is integrated into the bottle cap of an ointment dispenser, comprising a circular fixing plate, annular connecting plate, extrusion plates, and connecting rods, which control the liquid outlet by rotating and squeezing a hose to achieve precise dosing through a toggle lever and scale marks.
The assembly allows for precise control of ointment dosage without altering the ointment bottle shape, ensuring accurate dispensing and minimizing waste by preventing over-extraction.
Abstract
Description
DESCRIPTION TECHNICAL FIELD The present invention belongs to the technical field of medical instruments, and specifically relates to a . BACKGROUND Automatic applicators usually use mechanical devices to control the extrusion and application of ointment, such as presstype automatic applicators, which press the device to extrude and apply the ointment. Most existing quantitative extrusion devices for ointment use a presstype liquid dispenser to complete the extraction, the presstype liquid dispenser is mounted on a bottle cap and manually pressed to complete the liquid extraction. Presstype liquid dispensers rely on manual operation of users to suck and dispense liquid, and the extraction process cannot precisely control the amount of ointment squeezed. Especially, for some situations where strict control of ointment amount is required, the presstype liquid dispenser may be difficult to squeeze out a very small and precise amount of ointment, resulting in a certain deviation in the amount of ointment squeezed out each time. SUMMARY The present invention aims to provide a to solve the existing technical problem of inaccurate extruded ointment amount. The of the present invention includes: a bottle cap arranged with a presstype liquid dispenser. A liquid extraction tube on the presstype liquid dispenser is a hose, and the hose passes through the bottle cap; and the bottle cap is also arranged with a movable capacity adjusting assembly, and the movable capacity adjusting assembly squeezes the hose to control the amount of liquid dispensed. Preferably, the movable capacity adjusting assembly includes: a circular fixing plate, an upper end surface of the circular fixing plate being connected to a lower end surface of the bottle cap, the circular fixing plate being arranged with a circular through hole, and the hose passing through the circular through hole; an annular connecting plate, arranged on the circular fixing plate and rotatably connected to the circular fixing plate; a plurality of extrusion plates, rotatably arranged on the circular fixing plate, the plurality of extrusion plates being spliced to form a circular surface, and a free end of each extrusion plate extruding the hose; a plurality of are connecting rods, one end of each are connecting rod being rotatably connected to the plurality of extrusion plates, and the other end of each arc connecting rod being rotatably connected to the annular connecting plate; and a plurality of connecting shafts, arranged on the plurality of extrusion plates, the connecting shafts being rotatably connected to the circular fixing plate. Each of the plurality of extrusion plates is arranged with a first connecting groove, and one end of each of the plurality of arc connecting rods is rotatably connected to the first connecting groove; and the annular connecting plate is arranged with a plurality of second connecting grooves, the plurality of second connecting grooves are circumferentially arranged on the annular connecting plate, and the other ends of the plurality of arc connecting rods are rotatably connected to the second connecting grooves. A strip through hole is arranged on a sidewall of the bottle cap; and a toggle lever is arranged on an outer side wall of the annular connecting plate, and the toggle lever passes through the strip through hole and slides in the strip through hole. An outer wall of the bottle cap is arranged with scale marks, and the scale marks are close to the strip through hole. The plurality of extrusion plates, the plurality of arc connecting rods and the plurality of connecting shafts are all set to 5 in number, and shapes of the five extrusion plates are triangular blades. The circular fixing plate is arranged with a plurality of holes, the plurality of holes are circumferentially arranged on the circular fixing plate, and the plurality of connecting shafts are rotatably connected in the plurality of holes. The annular connecting plate is arranged with limit grooves; and the circular fixing plate is arranged with limit rods, and the limit rods slide in the limit grooves. A plurality of limit grooves are arranged, and the plurality of limit grooves are circumferentially arranged on the annular connecting plate, and A plurality of limit rods are arranged, the plurality of limit rods are circumferentially arranged on the annular connecting plate, and the limit rods slide in the limit grooves. Preferably, the further includes an ointment bottles, the bottle cap being arranged on the ointment bottle. The present invention has the positive progressive effects that: (l) In the present invention, the movable capacity adjusting assembly is designed, the movable capacity adjusting assembly is mounted in the bottle cap, the hose on the presstype liquid dispenser passes through the movable capacity adjusting assembly, the movable capacity adjusting assembly squeezes the hose to control the amount of liquid dispensed, to obtain different doses of ointment according to needs. (2) In the present invention, the strip through hole and the scale marks are arranged on the bottle cap, and the toggle lever on the movable capacity adjustment assembly passes through the strip through hole and cooperates with the scale marks for use. A starting end of the scale mark is for Closing the hose of the movable capacity adjustment assembly, so that the ointment can be properly taken out with reference to the scale marks. (3) In the present invention, the movable capacity adjusting assembly is arranged in the bottle cap, and the bottle cap is connected to the ointment bottle, so that quantitative taking of the ointment is completed without changing the shape of the ointment bottle, with simple structure and easy operation. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a schematic structural diagram of a presstype liquid dispenser, a bottle cap, and a movable capacity adjusting assembly of the present invention; FIG. 2 is a crosssectional view of FIG. 1; FIG. 3 is another view of FIG. 1; FIG. 4 is a schematic diagram of squeezing of a hose by a movable capacity adjusting assembly of the present invention; FIG. 5 is a schematic diagram of unsqueezing of a hose by a movable capacity adjusting assembly of the present invention; FIG. 6 is a schematic diagram of the movable capacity adjusting assembly of the present invention in a closed state; FIG. 7 is a schematic diagram of the movable capacity adjusting assembly of the present invention in an open state; FIG. 8 is a schematic structural diagram of an extrusion plate, a circular fixing plate and an annular connecting plate of the present invention; FIG. 9 is a schematic structural diagram of an extrusion plate, an are connecting rod and a connecting shaft of the present invention; FIG. 10 is a schematic structural diagram of an extrusion plate, a connecting shaft and a first connecting groove of the present invention; FIG. 11 is a schematic structural diagram of the extrusion plate of the present invention; FIG. 12 is a schematic structural diagram of an annular connecting plate of the present invention; FIG. 13 is a schematic structural diagram of the connection between a strip through hole and a toggle lever on a bottle cap of the present invention; and FIG. 14 is a schematic structural diagram of the bottle cap, an ointment bottle, and a presstype liquid dispenser of the present invention. Reference numerals and denotations thereof: 1presstype liquid dispenser; lOlhose; 2bottle cap; 201limit rod; 202limit groove; 203toggle lever; 204extrusion plate; 205annular connecting plate; 206arc connecting rod; 207connecting shaft; 208 second connecting groove; 209circular fixing plate; 210first connecting groove; 211circular through hole; 3ointment bottle; 4bottle cap; 40lstrip through hole; and 402scale mark. DETAILED DESCRIPTION OF EMBODIMENTS The following specific examples are used for illustrating the implementation of the present invention, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through specific implementations, and various details in this specification can also be variously modified or Changed based on different viewpoints and applications without departing from the spirit of the present invention. As shown in FIG. 1, FIG. 2, FIG. 3 and FIG. 14, a of the present invention includes a bottle cap 4 and an ointment bottle 3. The bottle cap 4 is mounted on the ointment bottle 3, and the bottle cap 4 is arranged with a presstype liquid dispenser 1 (a plastic liquid dispenser with a presstype nozzle manufactured by Jingtairujin Cosmetics Business Department, Baiyun District, Guangzhou City, with a product number of MDZOO6). A liquid extraction tube on the presstype liquid dispenser 1 is a hose 101, and the hose 101 passes through the bottle cap 4; the bottle cap 4 is further arranged with a movable capacity adjusting assembly 2, and the movable capacity adjusting assembly 2 squeezes the hose 101 to control the amount of liquid dispensed, to obtain different doses of ointment according to needs. As shown in FIG. 3 and FIG. 4, according to the amount taking requirement, the movable capacity adjustment assembly 2 appropriately squeezes the hose 101, so that the hose 101 is in a at state under the squeeze of the movable capacity adjustment assembly 2, a liquid outlet hole diameter of the hose 101 is equivalent to the smaller in the nonsqueezed state, and an outlet amount of the presstype liquid dispenser l is small during the liquid taking process, compared with the larger liquid outlet in the non squeezed state of the hose 101. As shown in FIGS. 5 and 7, according to the amount taking requirements, the movable capacity adjustment assembly 2 does not squeeze the hose 101, so that the hose 101 is in a at state when the movable capacity adjustment assembly 2 is not squeezed, a liquid outlet hole of the hose 101 is restored to the best state, and an outlet amount of the presstype liquid dispenser 1 is larger, compared with the larger liquid outlet in the squeezed state of the hose 101. As shown in FIG. 6, according to the amount taking requirements, the movable capacity adjusting assembly 2 completely squeezes the hose 101 in a use state, so that the hose 101 is in a completely at state under the squeeze of the movable capacity adjusting assembly 2, and the liquid outlet hole of the hose 101 is completely closed. At this time, no liquid will be discharged from the outlet of the presstype liquid dispenser 1 during the liquid taking process, to avoid mistakenly touching in the nonuse state and causing liquid waste. As shown in FIG. 7, FIG. 8, FIG. 9, FIG. 10, FIG. 11, and FIG. 12, the movable capacity adjusting assembly 2 includes: a circular fixing plate 209, an upper end surface of the circular fixing plate 209 is bonded to a top surface of the bottle cap 4 (circular bottle cap), a circular through hole 211 is arranged at the center of the circular fixing plate 209, the hose 101 on the presstype liquid dispenser 1 passes through the circular through hole 211, and five mounting holes are arranged circumferentially on the fixing plate 209. The movable capacity adjusting assembly 2 includes: an annular connecting plate 205 (circular ring), the annular connecting plate 205 is arranged on a lower end surface of the circular fixing plate 209, the annular connecting plate 205 is rotatably connected to the circular fixing plate 209, and five second connecting grooves 208 are circumferentially arranged at equal distances on an inner wall of the annular connecting plate 205 (circular ring). The movable capacity adjusting assembly 2 includes: five extrusion plates 204 (angles a, b and c of triangular blade extrusion plates), the five extrusion plates 204 are rotatably arranged on the annular fixing plate 209, the five extrusion plates 204 are of triangular blade extrusion plate structure, aangles of the five extrusion plates 204 are arranged with connecting shafts 207, bearings are sleeved on the connecting shafts 207, and the bearings are arranged in five corresponding mounting holes, so that the five extrusion plates 204 are rotatably connected to the circular fixing plate 209, and the five extrusion plates 204 form a circle during rotation. Some of upper plates of the five extrusion plates 204 are in contact with the hose 101, that is, the five extrusion plates 204 can completely close the hose 101 during the rotation process, or squeeze the hose 101 in a halfclosed state, and completely separate from the hose 101 during the reverse rotation process. Each corner of the five extrusion plates 204 is arranged with a first connecting groove 210. The movable capacity adjusting assembly 2 includes: five are connecting rods 206, connecting rods are arranged at two ends of each of the five arc connecting rods 206, bearings are sleeved on the connecting rods, the bearing at ends of the arc connecting rods 206 are rotatably connected to the first connecting grooves 210 on the five extrusion plates 204, and bearings at the other ends of the five are connecting rods 206 are rotatably connected to the five second connecting grooves 208 on the annular connecting plate 205. In this way, the rotation of the annular connecting plate 205 can squeeze the hose 101, or the reverse rotation of the annular connecting plate 205 does not squeeze the hose 101. Forward rotation of the annular connecting plate 205 drives b angles of the five extrusion plates 204 to move. During the bangle movement, aangles of the five extrusion plates 204 rotate around the circular fixing plate 209, while c angles on the five extrusion plates 204 gradually squeeze the hoses 101. Reverse rotation of the annular connecting plate 205 drives the bangles of the five extrusion plates 204 to move. During the movement of the bangles, the aangles of the five extrusion plates 204 are driven to rotate around the circular fixing plate 209, and at the same time, the cangles of the five extrusion plates 204 are gradually away from the hose 101. As shown in FIGS 12 and 13, to improve the usage value of the , a side wall of the bottle cap 4 is arranged with a strip through hole 401; a toggle lever 203 is arranged on an outer side wall of the annular connecting plate 205, and the toggle lever 203 passes through the strip through hole 402. In this way, after shifting the toggle lever, the hose 101 can be squeezed, or the hose 101 can be rotated in the reverse direction without squeezing, thereby achieving control of the amount of liquid dispensed. Continuing as shown in FIG. 12 and FIG. 13, scale marks 402 are arranged on an outer wall of the bottle cap 4, and the scale marks 402 are close to the strip through hole 401. The toggle lever 203 is located at a scale mark 402, where the hose 101 is completely closed, the toggle lever 203 is located at the middle of the scale mark 402, and the hose 101 is in a semiclosed or semiopen state; and the toggle lever 203 is located at the end of the scale mark 402, and the hose 101 is completely opened. In this way, the hose 101 can be closed or opened by pushing the toggle lever 203 to a position corresponding to the scale mark 402 as needed. The toggle lever is gradually moved from a starting end of the scale mark 402 to an end of the scale mark 402. The toggle lever 203 drives the annular connecting plate 205 to rotate. The annular connecting plate 205 drives the arc connecting rods 206 to move. The arc connecting rods 206 drive the extrusion plates 204 to rotate. During the rotation, the extrusion plates 204 gradually move away from the hose 101 by a certain distance (semiopened state), or a position between the toggle lever 203 and the scale mark 402 is continued to be pushed, causing the extrusion plates 204 to completely move away from the hose (completely opened state), or the toggle lever 203 is adjusted in a reverse direction gradually from the end of the scale mark 402 to the starting end of the scale mark 402, and during the rotation process, the extrusion plates 204 gradually move away from the hose 101 by a certain distance (semiopen state), or a position between the toggle lever 203 and the scale mark 402 is continued to pushed to achieve that the extrusion plates 204 completely squeeze the hose 101 (completely closed state). As shown in FIG. 11 and FIG. 12, to improve the stability performance during the rotation of the annular connecting plate 205 and the circular fixing plate 209, five limit grooves 202 are arranged on the annular connecting plate 205, the limit grooves 202 are circumferentially arranged on the annular connecting plate 205 at equal distances, and five limit rods 201 are circumferentially arranged on the circular fixing plate 209 at equal distances. In this way, the limit rods 201 slide in the limit grooves 202 to prevent the annular connecting plate 205 from rubbing against an inner wall of the bottle cap 4 after deviating from the circular fixing plate 209. The present invention has been described in detail above with reference to the embodiments of the accompanying drawings. Those of ordinary skill in the art can make various modifications to the present invention based on the above description. Accordingly, certain details of the embodiments are not to be construed as limitations on the present invention, which is to be protected by the scope of the appended claims.
Claims
1. A dosing device for applying ointment, comprising a cap, where the cap is provided with a liquid absorber with pressure function, with as characteristic that: the fluid intake tube of the fluid absorber is a flexible hose, where the flexible hose runs through the cap; The cap is also equipped with an adjustable capacity unit, which pressure on the flexible hose regulates the amount of fluid dispensed.
2. The ointment application device according to claim 1, comprising: feature that the adjustable capacity unit includes the following: a round mounting plate, the top surface of which is connected to the bottom surface of the cap, and in which a round feed-through hole is provided through which the flexible hose is guided; an annular connecting plate, which is placed on the round mounting plate and is rotatably connected to it; multiple pressure elements, which can be rotated on the annular connecting plate attached and together they can form a continuous circular plane, where the free end of each pressure element presses the flexible hose; multiple curved connecting rods, one end of which is rotatable connected to each of the pressure elements and the other end is rotatably connected with the annular connecting plate; multiple connecting shafts, attached to the pressure elements and rotatable connected to the round mounting plate.
3. The ointment application device according to claim 2, comprising characteristic that: each of the plurality of pressure elements is provided with a first connecting slot, to which one end of the curved connecting rod is rotatably connected; the annular connecting plate is provided with several second connecting grooves, which are provided on the plate in a circumferential direction and with which the the other end of each curved connecting rod is rotatably connected.
4. The ointment application device according to claim 2, comprising: characteristic that: an elongated slot is made in the side wall of the esdop; there is a sliding lever on the outer wall of the annular connecting plate provided, whereby the sliding part extends through the elongated slot and into it is movable.
5. The ointment application device according to claim 4, comprising: characteristic that: a scale is marked on the outer wall of the cap, where the scale division is located near the elongated slot.
6. The ointment application device according to claim 2, comprising: characteristic that: the number of pressure elements, curved connecting rods and connecting shafts each five amounts to, where the five pressure elements have the shape of triangular blades.
7. The ointment application device according to claim 2, comprising: characteristic that: the round mounting plate has several holes, which are circular distributed over the mounting plate, with the connecting shafts rotatable in the the holes concerned have been confirmed.
8. The ointment application device according to claim 2, comprising: characteristic that: the annular connecting plate is provided with one or more guide slots; the round mounting plate is provided with one or more guide rods, whereby the guide rods can be slid in the guide slots.
9. The ointment application device according to claim 8, comprising characteristic that: the guide slots are multiple and all around on the annular connecting plate have been fitted; the guide rods are multiple and are mounted all around on the round mounting plate fitted, whereby the guide rods can be slid in the guide slots.
10. The ointment application device according to claim 1, comprising: characteristic that: the device comprises an ointment container, the cap being on the ointment container confirmed. 1 / 10 FIG.1