CN211155485U

CN211155485U - Toothpaste extrusion device

Info

Publication number: CN211155485U
Application number: CN201921663166.6U
Authority: CN
Inventors: 刘恒博
Original assignee: Henan Henghai Technology Co ltd
Current assignee: Henan Henghai Technology Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-08-04
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to the field of daily necessities, and discloses a toothpaste extrusion device, which comprises a shell, wherein an insertion hole and a suction cavity which are communicated with each other are arranged at the vertical center of the shell from top to bottom; a first compression spring, a first sealing piston, a second compression spring and a second sealing piston are sequentially arranged in the suction cavity from top to bottom; the first sealing piston can seal the insertion opening, the circle diameter of the first sealing piston is smaller than that of the suction cavity, and the second sealing piston can seal the suction cavity; the cylindrical extrusion rod can stretch and move in the vertical direction, the lower part of the cylindrical extrusion rod penetrates through a central through hole of an end cover at the lower end of the shell and extends out of the shell, and a one-way valve structure is arranged at the lower end of the cylindrical extrusion rod. The utility model provides a current toothpaste extrusion device easily lead to after repetitious usage, elastic material deformability worsens, leads to toothpaste extrusion device's vacuum suction to diminish, can't extrude the problem of toothpaste.

Description

Toothpaste extrusion device

Technical Field

The utility model relates to the field of articles for daily use, in particular to a toothpaste extrusion device.

Background

The toothpaste is a daily living article for cleaning the oral cavity of people in daily life, and is a necessary living article. However, the manual operation has some inconvenience in the using process, firstly, the amount of toothpaste to be extruded each time cannot be well mastered, if the extrusion amount is small, multiple times of extrusion are needed, and if the extrusion amount is large, only the toothpaste is wasted because the toothpaste cannot be withdrawn; secondly, people can finally cause that the toothpaste in the toothpaste tube body can not be completely squeezed out and can be discarded due to incorrect squeezing mode in the toothpaste squeezing process, thereby causing a great deal of resource waste. In addition, in the process of squeezing the toothpaste pair by hands, actions of taking the toothpaste, opening the cover, squeezing the toothpaste out, closing the cover, putting the toothpaste back and the like need to be finished, and the time of people is wasted to a certain extent.

In order to simplify the steps of squeezing toothpaste and facilitate the operation, some automatic toothpaste squeezing devices are available on the market, for example, the Chinese patent invention (publication number: CN104287664B) discloses a novel automatic toothpaste squeezing device, which comprises a shell and an automatic toothpaste squeezing device, wherein the automatic toothpaste squeezing device is clamped in a reinforcing rib groove in the shell and comprises a suction mechanism and a squeezing mechanism; the suction mechanism comprises a hard cover frame and a soft rubber plug, the hard cover frame is sleeved on the soft rubber plug, a cover frame flange is arranged at the lower edge of the hard cover frame, a center hole arranged in the center of the soft rubber plug is communicated with a paste outlet flat nozzle I at the bottom of the soft rubber plug, a rubber plug flange is arranged at the lower edge of the soft rubber plug, the extrusion mechanism comprises a soft rubber cylinder, a ferrule and a top ring, the ferrule is sleeved on the cover frame flange, the rubber plug flange and the upper edge of the soft rubber cylinder, and the inner wall of the ferrule is matched with the cover frame flange, the rubber plug flange and the upper edge of the soft rubber cylinder to form a sealed structure; the shoulder step arranged on the cylindrical surface at the bottom of the soft rubber cylinder is sleeved with a top ring, the bottom of the soft rubber cylinder is provided with a paste outlet flat nozzle II, and the lower parts of the top ring and the paste outlet flat nozzle II are provided with a push-top frame.

Taking the above invention as an example, the main structure of the existing automatic toothpaste dispenser comprises a shell, an extruding device and a pushing mechanism for controlling the extruding device. Although the extrusion device is simple in structure, the toothpaste is extruded by utilizing the principle of vacuum compression, the elastic deformation of the flat toothpaste outlet nozzle I and the flat toothpaste outlet nozzle II plays a role similar to a one-way valve, but the single-phase valve has the defect that the fatigue elasticity of the material is weakened after the single-phase valve is used for multiple times, so that the sealing property of the extrusion device is poor, the vacuum suction force of the extrusion device is reduced, and the toothpaste cannot be extruded finally.

SUMMERY OF THE UTILITY MODEL

Based on above technical problem, the utility model provides a toothpaste extrusion device has solved current toothpaste extrusion device and has adopted elastic material as toothpaste extrusion device's single-phase valve structure more, easily leads to after repetitious usage, and elastic material deformability worsens, leads to extrusion device leakproofness variation, and toothpaste extrusion device's vacuum suction diminishes, can't extrude the problem of toothpaste.

For solving the above technical problem, the utility model discloses a technical scheme as follows:

a toothpaste extrusion device comprises a shell, wherein the vertical center of the shell is provided with an insertion opening and a suction cavity which are communicated with each other from top to bottom; a first compression spring, a first sealing piston, a second compression spring and a second sealing piston are sequentially arranged in the suction cavity from top to bottom, the first sealing piston is connected with the top wall of the suction cavity through the first compression spring, and the second sealing piston is connected with the cylindrical extrusion rod through the second compression spring; the first sealing piston can seal the insertion opening, the circle diameter of the first sealing piston is smaller than that of the suction cavity, and the second sealing piston can seal the suction cavity; the cylindrical extrusion rod can stretch and move in the vertical direction, the lower part of the cylindrical extrusion rod penetrates through a central through hole of an end cover at the lower end of the shell and extends out of the shell, and a one-way valve structure is arranged at the lower end of the cylindrical extrusion rod.

In the utility model, when the toothpaste extruding device is used for the first time, firstly, the toothpaste inserting head of the toothpaste tube needs to be inserted into the inserting port; then pushing the cylindrical extrusion rod from bottom to top, wherein the cylindrical extrusion rod moves upwards along the suction cavity and drives the first sealing piston to move upwards through the second compression spring to close the insertion hole and compress the first compression spring; the cylindrical extrusion rod is continuously pushed upwards, and the second compression spring is compressed; meanwhile, the cylindrical extrusion rod can drive a second sealing piston on the cylindrical extrusion rod to move, and the second sealing piston can extrude air sucked into the cavity to flow into and discharge the air from the opening at the top end of the cylindrical extrusion rod; then the barrel-shaped extrusion rod is released, the first compression spring and the second compression spring reset, the first sealing piston opens the insertion hole, and the barrel-shaped extrusion rod also moves downwards; at the moment, air in the suction cavity is discharged to be in a negative pressure state, and the air cannot enter the suction cavity due to the flow limiting effect of the one-way valve structure at the lower end of the cylindrical extrusion rod; so that the toothpaste can be sucked into the suction cavity from the insertion opening and stored.

When people need toothpaste for tooth brushing, the tubular extrusion rod is pushed upwards, and the toothpaste can be extruded and discharged from the suction cavity along the tubular extrusion rod from the suction cavity under the extrusion action for tooth brushing; when the tubular extrusion rod is reset, toothpaste is sucked into the suction cavity again for storage, and the effect of automatically and quantitatively extruding the toothpaste is achieved by circulation.

As a preferred mode, the check valve structure includes an enlarged portion at the lower portion of the cylindrical extrusion rod, a valve ball is disposed at the upper end of the enlarged portion, a third compression spring is disposed below the valve ball, the upper end of the third compression spring abuts against the valve ball, and the lower end of the valve ball abuts against the limiting member.

As a preferred mode, the limiting part is of a cylindrical structure, a ring platform provided with a central through hole is arranged at the lower end of the limiting part, the lower end of the third compression spring abuts against the ring platform, and the limiting part is connected with the cylindrical extrusion rod through threads.

As a preferable mode, the lower end of the limiting member is provided with a flat extrusion nozzle, and the flat extrusion nozzle is made of an elastic rubber material.

Preferably, the end cover is formed by splicing two semicircular end cover components, the end cover components are provided with a plurality of screw holes in a surrounding mode, and the end cover components are fixedly connected with the lower end of the shell through screws.

Preferably, the insertion opening is provided with a thread adapted to the toothpaste insertion head, and the insertion opening is connected to the toothpaste by the thread.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model provides a current toothpaste extrusion device adopt elastic material as toothpaste extrusion device's single-phase valve structure more, easily lead to after repetitious usage, elastic material deformability worsens, leads to extrusion device leakproofness variation, and toothpaste extrusion device's vacuum suction diminishes, the unable problem of extruding toothpaste.

(2) The utility model discloses a check valve structure includes tube-shape extrusion pole lower part enlargement portion, and the enlargement portion upper end is equipped with the valve pearl, and valve pearl below is equipped with third compression spring, and third compression spring upper end supports the valve pearl, and valve pearl lower extreme supports the locating part. The valve ball and the third compression spring are used for replacing the traditional single-phase valve structure made of elastic materials, and the single-phase flow limiting effect is better.

(3) The utility model discloses a locating part is the drum structure, and the locating part lower extreme is equipped with the ring platform of seting up the central through-hole, and third compression spring lower extreme supports on the ring platform, and the locating part passes through the screw thread to be connected with the tube-shape stripper bar. The locating part simple structure, simple to operate for the check valve structure is overhauld, is clean by the dismouting easily.

(4) The utility model discloses a locating part lower extreme is equipped with the flat mouth of extruding, extrudes the flat mouth and makes by elastic rubber material. The extrusion flat nozzle shell reduces the exposed area of the extruded part of the toothpaste, avoids the pollution of the toothpaste and avoids the residual toothpaste in the tubular extrusion rod from dropping under the gravity effect.

(5) The utility model discloses an end cover is formed by two semicircular end cover component amalgamations, and the end cover component encircles and is equipped with a plurality of screw holes, and the end cover component passes through screw and casing lower extreme fixed connection. The assembly and the disassembly of the end cover and the toothpaste extruding device are convenient.

(6) The utility model discloses an inserted hole is equipped with the screw thread with toothpaste male plug adaptation, and the inserted hole passes through threaded connection with toothpaste. The connection between the toothpaste insertion head and the insertion opening is tighter, the air tightness is enhanced, and the toothpaste extrusion effect is enhanced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the end cap member.

Fig. 3 is a schematic view of the installation of the toothpaste extrusion device.

The toothpaste tube comprises an insertion opening 1, a shell 2, a first compression spring 3, a first sealing piston 4, a second compression spring 5, a second sealing piston 6, a cylindrical extrusion rod 7, a valve bead 8, a third compression spring 9, a flat extrusion nozzle 10, a limiting piece 11, an enlarged part 12, an end cover 13, a screw 14, a suction cavity 15, a screw hole 16, a shell 17, an ejection mechanism 18 and a toothpaste tube 19.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Example 1:

referring to fig. 1 to 3, a toothpaste extruding device comprises a shell 2, wherein an insertion opening 1 and a suction cavity 15 which are communicated with each other are arranged at the vertical center of the shell 2 from top to bottom; a first compression spring 3, a first sealing piston 4, a second compression spring 5 and a second sealing piston 6 are sequentially arranged in the suction cavity 15 from top to bottom, the first sealing piston 4 is connected with the top wall of the suction cavity 15 through the first compression spring 3, and the second sealing piston 6 is connected with a cylindrical extrusion rod 7 through the second compression spring 5; the first sealing piston 4 can seal the insertion opening 1, the circular diameter of the first sealing piston 4 is smaller than that of the suction cavity 15, and the second sealing piston 6 can seal the suction cavity 15; the cylindrical extrusion rod 7 can stretch and move in the vertical direction, the lower part of the cylindrical extrusion rod 7 penetrates through a central through hole of an end cover 13 at the lower end of the shell 2 and extends out of the shell 2, and a one-way valve structure is arranged at the lower end of the cylindrical extrusion rod 7.

In the present embodiment, when the toothpaste dispensing device is used for the first time, first, the toothpaste insertion head of the toothpaste tube 19 needs to be inserted into the insertion port 1; then, the cylindrical extrusion rod 7 is pushed from bottom to top, the cylindrical extrusion rod 7 moves upwards along the suction cavity 15 and drives the first sealing piston 4 to move upwards through the second compression spring 5 to close the insertion opening 1, and the first compression spring 3 is compressed; the cylindrical extrusion rod 7 is continuously pushed upwards, and the second compression spring 5 is compressed; meanwhile, the cylindrical extrusion rod 7 can drive the second sealing piston 6 to move, and the second sealing piston 6 can extrude air in the suction cavity 15 to flow into and discharge from the top opening of the cylindrical extrusion rod 7; then the barrel-shaped extrusion rod 7 is released, the first compression spring 3 and the second compression spring 5 are reset, the first sealing piston 4 opens the insertion opening 1, and the barrel-shaped extrusion rod 7 also moves downwards; at the moment, the air in the suction cavity 15 is discharged to be in a negative pressure state, and the air cannot enter the suction cavity 15 due to the flow limiting effect of the one-way valve structure at the lower end of the cylindrical extrusion rod 7; so that the toothpaste is sucked from the insertion port 1 into the suction chamber 15 to be stored.

When people need toothpaste for brushing teeth, the tubular extrusion rod 7 is pushed upwards, and the toothpaste can be extruded and discharged from the suction cavity 15 along the tubular extrusion rod 7 from the suction cavity 15 due to the extrusion effect for the use of brushing teeth; when the tubular extrusion rod 7 is reset, toothpaste is sucked into the suction cavity 15 again for storage, and the effect of automatically and quantitatively extruding toothpaste is achieved through circulation. In actual use, the toothpaste extruding device, the shell 17 and the pushing mechanism 18 form a complete toothpaste extruder, so that the toothpaste extruder is convenient for people to use.

Example 2:

Furthermore, the check valve structure comprises an enlarged part 12 at the lower part of the cylindrical extrusion rod 7, a valve ball 8 is arranged at the upper end of the enlarged part 12, a third compression spring 9 is arranged below the valve ball 8, the upper end of the third compression spring 9 abuts against the valve ball 8, and the lower end of the valve ball 8 abuts against the limiting part 11. The valve ball 8 and the third compression spring 9 are used for replacing the traditional single-phase valve structure made of elastic materials, and the single-phase flow limiting effect is better.

Furthermore, the limiting part 11 is of a cylindrical structure, a ring platform provided with a central through hole is arranged at the lower end of the limiting part 11, the lower end of the third compression spring 9 abuts against the ring platform, and the limiting part 11 is connected with the cylindrical extrusion rod 7 through threads. The limiting part 11 is simple in structure and convenient to install, so that the one-way valve structure is easily disassembled, repaired and cleaned.

Furthermore, the lower end of the limiting member 11 is provided with a flat extrusion nozzle 10, and the flat extrusion nozzle 10 is made of an elastic rubber material. The casing 17 of the extrusion flat nozzle 10 reduces the exposed area of the extruded part of the toothpaste, avoids the pollution of the toothpaste and avoids the residual toothpaste in the tubular extrusion rod 7 from dropping under the gravity effect.

Furthermore, the end cover 13 is formed by splicing two semicircular end cover 13 members, the end cover 13 members are provided with a plurality of screw holes 16 in a surrounding manner, and the end cover 13 members are fixedly connected with the lower end of the shell 2 through screws 14. The assembly and disassembly of the end cover 13 and the toothpaste extrusion device are convenient.

Furthermore, the insertion opening 1 is provided with a thread matched with the toothpaste insertion head, and the insertion opening 1 is connected with the toothpaste through the thread. The connection between the toothpaste inserting head and the inserting opening 1 is tighter, the air tightness is enhanced, and the toothpaste extrusion effect is enhanced.

The other parts of this embodiment are the same as embodiment 1, and are not described herein again.

The embodiment of the present invention is the above. The above embodiments and the specific parameters in the embodiments are only for the purpose of clearly showing the verification process of the utility model, and are not used to limit the patent protection scope of the utility model, the patent protection scope of the utility model is still subject to the claims, all the equivalent structural changes made by using the contents of the specification and the drawings of the utility model are included in the protection scope of the utility model.

Claims

1. A toothpaste extrusion device comprising a housing (2), characterized in that: the vertical center of the shell (2) is provided with an insertion opening (1) and a suction cavity (15) which are communicated with each other from top to bottom; a first compression spring (3), a first sealing piston (4), a second compression spring (5) and a second sealing piston (6) are sequentially arranged in the suction cavity (15) from top to bottom, the first sealing piston (4) is connected with the top wall of the suction cavity (15) through the first compression spring (3), and the second sealing piston (6) is connected with a cylindrical extrusion rod (7) through the second compression spring (5); the first sealing piston (4) can seal the insertion opening (1), the circular diameter of the first sealing piston (4) is smaller than that of the suction cavity (15), and the second sealing piston (6) can seal the suction cavity (15); the cylindrical extrusion rod (7) can stretch and move in the vertical direction, the lower portion of the cylindrical extrusion rod (7) penetrates through a central through hole of an end cover (13) at the lower end of the shell (2) and extends out of the shell (2), and a one-way valve structure is arranged at the lower end of the cylindrical extrusion rod (7).

2. A toothpaste extrusion apparatus according to claim 1, wherein: the check valve structure includes tube-shape extrusion stem (7) lower part enlargement portion (12), enlargement portion (12) upper end is equipped with valve pearl (8), valve pearl (8) below is equipped with third compression spring (9), third compression spring (9) upper end supports valve pearl (8), valve pearl (8) lower extreme supports locating part (11).

3. A toothpaste extrusion apparatus according to claim 2, wherein: the limiting part (11) is of a cylinder structure, a ring platform provided with a central through hole is arranged at the lower end of the limiting part (11), the lower end of the third compression spring (9) abuts against the ring platform, and the limiting part (11) is connected with the cylindrical extrusion rod (7) through threads.

4. A toothpaste extrusion apparatus according to claim 3, wherein: the lower end of the limiting part (11) is provided with an extrusion flat nozzle (10), and the extrusion flat nozzle (10) is made of elastic rubber materials.

5. A toothpaste extrusion apparatus according to claim 1, wherein: the end cover (13) is formed by splicing two semicircular end cover (13) components, the end cover (13) components are provided with a plurality of screw holes (16) in a surrounding mode, and the end cover (13) components are fixedly connected with the lower end of the shell (2) through screws (14).

6. A toothpaste extrusion apparatus according to claim 1, wherein: the toothpaste inserting head is characterized in that the inserting opening (1) is provided with a thread matched with the toothpaste inserting head, and the inserting opening (1) is connected with toothpaste through the thread.