CN209788946U - Piston extraction type paste conveying mechanism and toothbrush with toothpaste - Google Patents

Abstract

The utility model discloses a piston extraction formula lotion conveying mechanism and have toothbrush of toothpaste, it is including casing, lotion output tube, piston tube and driving sleeve, the lotion has been held in the casing, the front end of casing with the rear end of lotion output tube is connected, the jack has been seted up on the casing, be equipped with first check valve in the jack, the rear end of piston tube is inserted and is located in the jack and between the two mutual sealing, the front end of piston tube is inserted and is located in the lotion output tube and between the two mutual sealing, be equipped with the second check valve in the piston tube, the export of first check valve with the export of second check valve all faces the place ahead, the driving sleeve is located the outside of piston tube, the driving sleeve is used for ordering about the piston tube back-and-forth movement. The utility model discloses can not only realize the lotion and carry, save space moreover, help improving lotion storage capacity, the design degree of difficulty is low, easily make, the lotion remains fewly.

Description

Piston extraction type paste conveying mechanism and toothbrush with toothpaste

Technical Field

The utility model relates to a mechanism that can carry paste material and the product of using this mechanism especially relate to a piston extraction formula lotion conveying mechanism and have toothbrush of toothpaste.

Background

In the prior art, some products loaded with paste generally relate to a linkage mechanism for conveying the paste, taking a toothbrush as an example, some toothbrushes on the market at present have a function of storing toothpaste in order to meet the requirements of travel, portability and convenient use, but how to convey the toothpaste to a toothbrush head part becomes a difficult problem to be solved urgently in the industry. Please refer to chinese utility model patent publication No. CN106419052A entitled "toothbrush with toothpaste", which requires a squeezing mechanism at the handle part, and these mechanisms occupy a part of the space in the handle, resulting in that the toothpaste amount stored in the toothbrush with the same size is small and the usage time is shortened. Simultaneously, to the toothbrush product of extrusion formula, need set up the body of splendid attire toothpaste into the hose, require the body to have higher pliability and difficult damaged in addition, this design degree of difficulty and the manufacturing cost with regard to having increased the product, in addition, to the toothbrush product of extrusion formula, when toothpaste in the body will be used up, can't be extruded by more remaining toothpaste in the body, and then lead to toothpaste extravagant, be difficult to satisfy user and market demand.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's not enough, provide one kind and can not only realize the lotion and carry, save space moreover, help improving lotion storage capacity, the design degree of difficulty is low, easily make, the lotion remains the piston extraction formula lotion conveying mechanism of few and has the toothbrush of toothpaste.

In order to solve the technical problem, the utility model adopts the following technical scheme.

A piston extraction type paste conveying mechanism comprises a shell, a paste output pipe, a piston pipe and a driving sleeve, wherein paste is contained in the shell, the front end of the shell is connected with the rear end of the paste output pipe, an insertion hole is formed in the shell, a first one-way valve is arranged in the insertion hole, the rear end of the piston pipe is inserted into the insertion hole and sealed with each other, the front end of the piston pipe is inserted into the paste output pipe and sealed with each other, a second one-way valve is arranged in the piston pipe, the outlet of the first one-way valve and the outlet of the second one-way valve face forwards, the driving sleeve is arranged on the outer side of the piston pipe in a sleeved mode and used for driving the piston pipe to move forwards and backwards, when the piston pipe moves forwards, the second one-way valve is closed, the first one-way valve is opened, and the paste in the shell is extracted to the paste output pipe under the action of negative pressure, when the piston tube moves backwards, the second one-way valve is opened and the first one-way valve is closed, and the paste in the piston tube is extruded to pass through the second one-way valve and is conveyed to the front end of the piston tube.

Preferably, an inner sleeve is fixed in the driving sleeve, two oppositely-arranged step portions are protruded on the inner wall of the driving sleeve, the step portions are in a V-shaped recess, two oppositely-arranged flanges are formed at the end portion of the inner sleeve, the flanges are in a V-shaped recess, the flanges are aligned with the step portions one by one, a V-shaped groove is formed between the flanges and the step portions, two symmetrically-arranged cross rods are formed on the outer side of the piston tube, two symmetrically-arranged notches are formed in the side portion of the paste output tube, the notches extend along the length direction of the paste output tube, the two cross rods respectively penetrate through the two notches, the end portions of the cross rods are inserted into the V-shaped grooves, and when the driving sleeve is rotated, the cross rods are driven to slide back and forth along the notches by the aid of the matching effect of the V-shaped grooves.

Preferably, the inner sleeve is inserted into the driving sleeve from the rear end, and the inner sleeve is fixed with the driving sleeve in a clamping manner.

Preferably, the inner sleeve is sleeved at the front end of the shell and sealed with each other, and the driving sleeve is sleeved at the rear end of the paste output tube and sealed with each other.

Preferably, a plurality of inserting claws are formed at the front end of the shell, a plurality of inserting grooves are formed at the rear end of the paste output tube, and the inserting claws are inserted into the inserting grooves and fixedly connected with the inserting grooves.

A toothbrush with toothpaste comprises a toothbrush head and the toothpaste conveying mechanism, wherein the toothpaste contained in the shell is the toothpaste, the toothbrush head is arranged at the front end of the toothpaste output tube, a toothpaste outlet is formed in the toothbrush head, and the toothpaste outlet is communicated with the toothpaste output tube.

Preferably, a third one-way valve is arranged in the toothpaste outlet, and the outlet of the third one-way valve faces the outer side of the toothbrush head.

Preferably, a toothpaste containing tube is arranged in the shell, a tube opening is formed at the front end of the toothpaste containing tube, and the tube opening is inserted into the jack and is tightly matched with the jack.

Preferably, the housing is tubular, and an end cover is screwed to the rear end of the housing.

Preferably, the toothbrush further comprises an upper barrel body and a lower barrel body, the upper barrel body is connected with the lower barrel body in a clamping mode, and a cavity capable of containing the toothbrush is formed between the upper barrel body and the lower barrel body.

The utility model discloses an among the piston extraction formula lotion conveying mechanism, set up the piston pipe in the junction of casing and lotion output tube, simultaneously, set up first check valve at the front end of casing, at the intraductal second check valve that sets up of piston, work as the driving sleeve orders about when the piston pipe antedisplacement, the second check valve closes because of receiving reverse pressure, orders about under the negative pressure effect first check valve is opened, extracts the lotion to the lotion output tube simultaneously, works as the driving sleeve orders about when the piston pipe moves backward, first check valve receives reverse pressure and closes, the second check valve is opened under the effect of inside pressure, will simultaneously the lotion extrusion in the piston pipe extremely the front end of piston pipe and income lotion output tube to realized carrying, satisfied the lotion betterly.

Drawings

FIG. 1 is a perspective view of a toothbrush;

FIG. 2 is an exploded view of the toothbrush I;

FIG. 3 is an exploded view of the toothbrush II;

FIG. 4 is a cross-sectional view of the toothbrush;

Fig. 5 is a structural view of the front end portion of the housing.

Detailed Description

the present invention will be described in more detail with reference to the accompanying drawings and examples.

Example one

The embodiment relates to a piston extraction type paste conveying mechanism, please refer to fig. 2, fig. 3 and fig. 4, which includes a housing 1, a paste output tube 2, a piston tube 3 and a driving sleeve 4, wherein the housing 1 contains paste, the front end of the housing 1 is connected with the rear end of the paste output tube 2, the housing 1 is provided with an insertion hole 10, the insertion hole 10 is internally provided with a first one-way valve 11, the rear end of the piston tube 3 is inserted into the insertion hole 10 and sealed with each other, the front end of the piston tube 3 is inserted into the paste output tube 2 and sealed with each other, the piston tube 3 is internally provided with a second one-way valve 30, the outlet of the first one-way valve 11 and the outlet of the second one-way valve 30 face forward, the driving sleeve 4 is sleeved on the outer side of the piston tube 3, and the driving sleeve 4 is used for driving the piston tube 3 to move forward and backward, when the piston tube 3 moves forward, the second one-way valve 30 is closed and the first one-way valve 11 is opened, the paste in the shell 1 is extracted to the paste output tube 2 by virtue of negative pressure, when the piston tube 3 moves backward, the second one-way valve 30 is opened and the first one-way valve 11 is closed, and the paste in the piston tube 3 is extruded to pass through the second one-way valve 30 and is conveyed to the front end of the piston tube 3.

in the structure, the piston tube 3 is arranged at the joint of the shell 1 and the paste output tube 2, the first check valve 11 is arranged at the front end of the shell 1, the second check valve 30 is arranged in the piston tube 3, when the driving sleeve 4 drives the piston tube 3 to move forwards, the second check valve 30 is closed under the reverse pressure, the first check valve 11 is driven to be opened under the negative pressure, the paste is simultaneously extracted to the paste output tube 2, when the driving sleeve 4 drives the piston tube 3 to move backwards, the first check valve 11 is closed under the reverse pressure, the second check valve 30 is opened under the internal pressure, and the paste in the piston tube 3 is simultaneously extruded to the front end of the piston tube 3 and enters the paste output tube 2, so that the paste conveying is realized, and the application requirement is better met.

As a preferable mode, an inner sleeve 5 is fixed in the driving sleeve 4, two oppositely arranged step portions 40 are protruded from the inner wall of the driving sleeve 4, the step portions 40 are V-shaped recesses, two oppositely arranged flanges 50 are formed at the end portion of the inner sleeve 5, the flanges 50 are V-shaped recesses, the flanges 50 are aligned with the step portions 40 one by one and a V-shaped groove is formed therebetween, two symmetrically arranged cross bars 31 are formed at the outer side of the piston tube 3, two symmetrically arranged notches 20 are formed at the side portion of the paste output tube 2, the notches 20 extend along the length direction of the paste output tube 2, the two cross bars 31 respectively pass through the two notches 20, the end portion of the cross bar 31 is inserted into the V-shaped groove, and when the driving sleeve 4 is rotated, the V-shaped groove and the cross bar 31 are used for cooperation, the cross bar 31 is driven to slide back and forth along the slot 20.

In the structure, the torque force applied to the driving sleeve 4 can be converted into the linear driving force of the piston tube 3 through the matching action of the V-shaped groove and the cross rod 31, and then the piston tube 3 is driven to move back and forth under the condition of not increasing the length.

Preferably, the inner sleeve 5 is inserted into the driving sleeve 4 from the rear end, and the inner sleeve 5 is engaged and fixed with the driving sleeve 4.

In this embodiment, the inner sleeve 5 is sleeved at the front end of the housing 1 and sealed with each other, and the driving sleeve 4 is sleeved at the rear end of the paste output tube 2 and sealed with each other.

Regarding the connection relationship between the housing 1 and the paste output tube 2, in this embodiment, a plurality of insertion claws 12 are formed at the front end of the housing 1, a plurality of insertion grooves 22 are formed at the rear end of the paste output tube 2, and the insertion claws 12 are inserted into the insertion grooves 22 and are fixedly connected with each other.

Further, two support lugs 200 are formed at the rear end of the paste output tube 2, a step portion 13 is formed at the front end of the housing 1, the insertion hole 10 is opened at the center of the step portion 13, two notches 14 are opened at the outer side of the step portion 13, the two support lugs 200 are respectively inserted into the two notches 14, a clamp 15 is arranged at the outer side of the two support lugs 200, and the support lugs 200 and the step portion 13 are clamped tightly by means of the clamp 15.

The lotion conveying mechanism that this embodiment provided, it can be applied to in the toothbrush product that has toothpaste, and certainly this mechanism also can be applied to in other products that have the equivalent function, and no matter be applied to what kind of product with above-mentioned lotion conveying mechanism, all belong to the utility model discloses an application, consequently all should be when including within the protection scope the utility model discloses a.

Example two

In this embodiment, the paste delivery mechanism in the first embodiment is preferably applied to a toothbrush, and for this reason, the present embodiment provides a toothbrush with toothpaste, as shown in fig. 1 to 5, the toothbrush includes a toothbrush head 6 and the paste delivery mechanism in the first embodiment, the paste contained in the housing 1 is toothpaste, the toothbrush head 6 is disposed at the front end of the paste outlet tube 2, the toothbrush head 6 is provided with a toothpaste outlet 60, and the toothpaste outlet 60 is communicated with the paste outlet tube 2.

After having used above-mentioned lotion conveying mechanism, this embodiment can not only realize the lotion and carry, need not to occupy the space of casing, handle portion moreover, helps improving the lotion storage capacity, and this embodiment is not high to the pliability requirement of toothpaste splendid attire body simultaneously, so the design degree of difficulty is lower, easily production manufacturing, and in addition, this embodiment adopts the absorbent mode of negative pressure to carry the lotion, compares the extrusion mode, and the lotion in this embodiment remains still less to avoid the wasting of resources, better satisfied user and market demand.

In order to switch the toothpaste outlet 60, in this embodiment, a third one-way valve 61 is provided in the toothpaste outlet 60, and the outlet of the third one-way valve 61 faces the outside of the toothbrush head 6. When the piston tube 3 moves forward, the third one-way valve 61 can be driven to open and extrude the paste under the pushing action of the paste. Furthermore, the combing hairs of the toothbrush head 6 surround the toothpaste outlet 60, so that the paste can be directly positioned in the middle of the combing hairs of the toothbrush head 6 when being extruded from the third one-way valve 61, thereby being convenient for a user to use.

In this embodiment, a toothpaste containing tube 7 is disposed in the casing 1, a nozzle 70 is formed at the front end of the toothpaste containing tube 7, and the nozzle 70 is inserted into the insertion hole 10 and is tightly fitted with the insertion hole. A tail plug 71 is inserted at the rear end of the toothpaste containing tube 7, the tail plug 71 is slidably connected with the toothpaste containing tube 7, and when toothpaste in the toothpaste containing tube 7 is discharged outwards through the tube opening 70, the tail plug 71 retracts into the toothpaste containing tube 7 under the action of atmospheric pressure.

In practical application, the toothpaste containing tube 7 is a replaceable structure, the mouth 70 is sealed by tin foil paper, when the toothpaste containing tube 7 is replaced, the tin foil paper is only required to be torn off, and then the mouth 70 is inserted into the insertion hole 10.

Further, the housing 1 is tubular, and an end cover 13 is screwed to the rear end of the housing 1.

In order to facilitate storage and carrying of the toothbrush, the toothbrush storage device further comprises an upper barrel body 8 and a lower barrel body 9, the upper barrel body 8 is connected with the lower barrel body 9 in a clamping manner, and a cavity capable of containing the toothbrush is formed between the upper barrel body 8 and the lower barrel body 9.

The above is only the embodiment of the present invention, and is not intended to limit the present invention, and all modifications, equivalent replacements or improvements made within the technical scope of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A piston extraction type paste conveying mechanism is characterized by comprising a shell, a paste output pipe, a piston pipe and a driving sleeve, wherein paste is contained in the shell, the front end of the shell is connected with the rear end of the paste output pipe, an insertion hole is formed in the shell, a first one-way valve is arranged in the insertion hole, the rear end of the piston pipe is inserted into the insertion hole and sealed with each other, the front end of the piston pipe is inserted into the paste output pipe and sealed with each other, a second one-way valve is arranged in the piston pipe, the outlet of the first one-way valve and the outlet of the second one-way valve face forwards, the driving sleeve is arranged on the outer side of the piston pipe in a sleeved mode and used for driving the piston pipe to move forwards and backwards, when the piston pipe moves forwards, the second one-way valve is closed and the first one-way valve is opened, the paste in the shell is extracted to a paste output pipe under the action of negative pressure, when the piston pipe moves backwards, the second one-way valve is opened, the first one-way valve is closed, and the paste in the piston pipe is extruded to penetrate through the second one-way valve and is conveyed to the front end of the piston pipe.

2. the piston extraction type paste delivery mechanism according to claim 1, wherein an inner sleeve is fixed in the driving sleeve, two oppositely arranged step portions are protruded from the inner wall of the driving sleeve, the step portions are formed as "V" shaped recesses, two oppositely arranged flanges are formed at the end portion of the inner sleeve, the flanges are formed as "V" shaped recesses, the flanges are aligned with the step portions one by one and a V-shaped groove is formed therebetween, two symmetrically arranged cross bars are formed at the outer side of the piston tube, two symmetrically arranged notches are formed at the side portion of the paste output tube and extend along the length direction of the paste output tube, the two cross bars respectively pass through the two notches, and the end portions of the cross bars are inserted into the V-shaped grooves, so that when the driving sleeve is rotated, the V-shaped grooves and the cross bars are utilized to cooperate, and driving the cross rod to slide back and forth along the notch.

3. The piston-extracting paste delivery mechanism according to claim 2, wherein the inner sleeve is inserted into the driving sleeve from the rear end, and the inner sleeve is engaged with and fixed to the driving sleeve.

4. The piston-extracting type paste delivery mechanism according to claim 3, wherein the inner sleeve is sleeved on the front end of the housing and sealed with each other, and the driving sleeve is sleeved on the rear end of the paste output tube and sealed with each other.

5. The piston-extracting type paste conveying mechanism according to claim 1, wherein a plurality of insertion claws are formed at the front end of the housing, a plurality of insertion grooves are formed at the rear end of the paste output pipe, and the insertion claws are inserted into the insertion grooves and fixedly connected with the insertion grooves.

6. A toothbrush with toothpaste, characterized by comprising a toothbrush head and the paste conveying mechanism of any one of claims 1 to 5, wherein the paste contained in the housing is the toothpaste, the toothbrush head is arranged at the front end of the paste output tube, the toothbrush head is provided with a toothpaste outlet, and the toothpaste outlet is communicated with the paste output tube.

7. The toothpaste-bearing toothbrush of claim 6, wherein a third one-way valve is provided in the toothpaste outlet, the outlet of the third one-way valve facing the outside of the toothbrush head.

8. The toothbrush with toothpaste as claimed in claim 6, wherein a toothpaste containing tube is provided in the housing, and a nozzle is formed at the front end of the toothpaste containing tube and inserted into the insertion hole to be closely fitted with the nozzle.

9. The toothpaste-containing toothbrush of claim 6, wherein the housing is tubular and an end cap is screwed to a rear end of the housing.

10. The toothbrush with toothpaste as claimed in claim 6, further comprising an upper barrel and a lower barrel, wherein the upper barrel and the lower barrel are connected in a snap-fit manner, and a cavity for accommodating the toothbrush is formed between the upper barrel and the lower barrel.