CN110422489A - Paste extrusion device - Google Patents

Abstract

The invention discloses a kind of paste extrusion devices, it is related to storage or transport device technical field, including tubular shell and the shell being arranged, interlayer is formed between tubular shell and shell for filling lotion, screw sheel is set in tubular shell, it protrudes into and compression bar is set in screw sheel, the periphery of screw sheel is threadedly coupled annular pressing plate, annular pressing plate protrudes into interlayer, opposed helical between screw sheel and tubular shell can be made to rotate and by the space of the open end of tubular shell extruding interlayer by moulded rod, in screw sheel bottom, the first tooth-shape structure is set, the second tooth-shape structure that setting is engaged with the first tooth-shape structure in tubular shell, second tooth-shape structure bottom is fixedly connected with plunger, plunger is arranged the first elastic component, the also fixed inner cavity sleeve in tubular shell bottom, inner cavity sleeve is connected to interlayer, extrusion is arranged in inner cavity sleeve bottom.Paste extrusion device of the invention can single squeeze out quantitative lotion, and extrusion is blocked after paste extrusion, easy to use, safety and sanitation.

Description

Paste extrusion device

Technical field

The present invention relates to storage or transport device technical fields, in particular to a kind of paste extrusion device.

Background technique

In people's daily life, it is often necessary to using container to such as all kinds of different conditions such as liquid, powder or lotion Substance is stored to store and take.The container being used to store, in addition to meet preferable preservation function, it is also necessary to can Convenient and healthy take is carried out to the substance of storage.For liquid and powder substance, it can directly pass through tilt container Mode easily poured out from the oral area of container, but for lotion substance, since its is sticky and adhesive force is strong, the prior art It usually needs to squeeze out by way of extruding.

By taking toothpaste common in life as an example, expelling device for toothpaste commonly used in the prior art is largely external, i.e., Structure for squeezing out toothpaste is set except original toothpaste tube body structure, is adjusted by dynamics that control squeezes when use The practical extrusion output for saving toothpaste, for the use crowd of all ages and classes and physical qualification, different extruding dynamics may be made Excessive waste is squeezed out at single or is difficult to the problem of squeezing out.

The apparatus structure for squeezing out lotion also by setting inside and outside differential pressure in the prior art, presets fixed impulse stroke, Quantitative lotion can be squeezed out by single operation, mitigation is required when operating to exert oneself, and avoids squeezing out and excessively cause to waste.But It is that the extrusion device of the prior art all can not be closed the structure of outlet in outlet port automatically, on the one hand, outlet port Lotion is easy hardening and goes bad, and on the other hand, not can avoid the problem of secondary pollution in being used for multiple times.

Summary of the invention

The purpose of the present invention is to provide a kind of paste extrusion devices, being capable of the closure outlet automatically after paste extrusion.

The embodiment of the present invention is achieved in that

A kind of paste extrusion device, the tubular shell including top end opening and inner hollow, tubular shell outer cover are equipped with Shell is formed with interlayer for filling lotion between tubular shell and shell, is equipped with screw sheel in tubular shell, protrudes into spiral shell Compression bar is provided in rotary sleeve, the periphery of screw sheel is threaded with annular pressing plate, and annular pressing plate protrudes into interlayer, pressing pressure Bar can make opposed helical between screw sheel and tubular shell rotate and squeeze the space of interlayer, In by the open end of tubular shell The bottom of screw sheel is fixedly installed the first tooth-shape structure, and being additionally provided in tubular shell can mutually be engaged with the first tooth-shape structure The second tooth-shape structure, the second tooth-shape structure bottom is fixedly connected with plunger, and the cylindrical outer wall of plunger is arranged with the first elastic component, Tubular shell bottom is also fixedly connected with inner cavity sleeve, and inner cavity sleeve is connected to interlayer, and inner cavity sleeve bottom is provided with extrusion, It can be discharged under the pushing of plunger by extrusion by the lotion that interlayer enters inner cavity sleeve.

In preferred embodiments of the present invention, screw sheel inwall processing has helical guide groove, and helical guide groove is with screw sheel Top be starting point, compression bar side wall is provided with lug boss, and lug boss is corresponding with the starting point of helical guide groove, by moulded rod, spiral shell Rotary sleeve rotates so that lug boss slides into tail end by the starting point of helical guide groove.

In preferred embodiments of the present invention, connected between screw sheel and tubular shell by bearing, the outer ring of bearing It is fixedly connected with tubular housing inner wall, the inner ring of bearing is fixedly connected with screw sheel.

In preferred embodiments of the present invention, void layer is formed between screw sheel and tubular shell, bearing connection is set It is placed in void layer.

In preferred embodiments of the present invention, tubular shell side wall is machined with through slot, annular pressure along the pressing direction of compression bar Plate includes nut and the pressing plate that is connect by interconnecting piece with nut, connecting portion in through slot, nut and screw sheel it is outer Wall is threadedly coupled.

In preferred embodiments of the present invention, the first tooth-shape structure and the second tooth-shape structure are round fluted disc, the first tooth Multiple teeth are uniformly arranged in its circumferencial direction on the surface of shape structure and the second tooth-shape structure opposite side, the first tooth-shape structure and the Two tooth-shape structures relatively rotate, and are mutually twisted between multiple teeth on two round fluted discs or tooth tip offsets.

In preferred embodiments of the present invention, the longitudinal section of multiple teeth is outwardly extending trapezoidal by round tooth disk.

In preferred embodiments of the present invention, compression bar bottom end is provided with the second elastic component, one end of the second elastic component and pressure The bottom surface of bar offsets, the top surface of the other end and the first tooth-shape structure offsets, the lug boss of compression bar side wall by helical guide groove tail end It skids off, the second resilient element urges compression bar replys initial bit.

In preferred embodiments of the present invention, it is arranged with elastic sealing layer in the outer wall of tubular shell, elastic sealing layer exists The position of corresponding through slot is formed with precut.

In preferred embodiments of the present invention, inner cavity sleeve lateral wall is connected to by communicating passage with interlayer, communicating passage packet Include multiple, multiple communicating passages are uniformly arranged along the same cross-sectional periphery of inner cavity sleeve lateral wall.

The beneficial effect of the embodiment of the present invention includes: that the embodiment of the present invention provides a kind of paste extrusion device, including top The tubular shell of opening and inner hollow, tubular shell outer cover are equipped with shell, folder are formed between tubular shell and shell For layer for filling lotion, tubular shell is interior to be equipped with screw sheel, protrudes into and is provided with compression bar in screw sheel, the periphery of screw sheel It is threaded with annular pressing plate, annular pressing plate protrudes into interlayer, and the paste extrusion device of the embodiment of the present invention is in conventional sense column Plug is plugged in the sleeve of inner cavity completely and covers extrusion, avoids the contact stain of the lotion and outside air in interlayer. It is fixedly installed the first tooth-shape structure in the bottom of screw sheel, being additionally provided in tubular shell can mutually sting with the first tooth-shape structure The second tooth-shape structure closed, the first tooth-shape structure is rotated with the rotation of screw sheel, so that the first tooth-shape structure and second Between tooth-shape structure in being mutually twisted the state opposite with tooth tip alternately.Column is fixedly connected in the second tooth-shape structure bottom Plug, the cylindrical outer wall of plunger are arranged with the first elastic component, and tubular shell bottom is also fixedly connected with inner cavity sleeve, inner cavity sleeve with Interlayer connection, inner cavity sleeve bottom is provided with extrusion, in use, passing through the end being exposed to other than tubular shell by moulded rod Portion, compression bar pushing can be such that between screw sheel and tubular shell opposed helical rotates, the rotation of the first tooth-shape structure and with the second tooth It is in occlusive state between shape structure, the second tooth-shape structure drives plunger to the first tooth form knot under the impetus of the first elastic component The direction of structure is moved to expose the portion cavity of inner cavity sleeve, is relatively rotated between annular pressing plate and screw sheel, annular pressing plate Move downward to squeeze the space of interlayer relative to screw sheel.Part lotion enters inner cavity sleeve by interlayer and is filled in Chamber portion, as the first tooth-shape structure and the second tooth-shape structure continue to relatively rotate to tooth tip relative status, the second tooth form knot Structure drives plunger depression, and the lotion in the cavity for entering inner cavity sleeve is discharged plunger by extrusion, while plunger is blocked and squeezed out Mouth avoids the pollution of internal lotion.So, the paste extrusion device of the embodiment of the present invention can be squeezed out quantitative by pressing Lotion, and extrusion is blocked simultaneously after paste extrusion, it is easy to use, and safety and sanitation.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.

Fig. 1 is the structural schematic diagram of the original state of the paste extrusion device of the embodiment of the present invention；

Fig. 2 is the structural schematic diagram of the occupied state of the paste extrusion device of the embodiment of the present invention；

Fig. 3 is the movement relation schematic diagram of compression bar and screw sheel in the paste extrusion device of the embodiment of the present invention；

Fig. 4 is the structural schematic diagram of annular pressing plate in the paste extrusion device of the embodiment of the present invention；

Fig. 5 is the structural schematic diagram of the first tooth-shape structure in the paste extrusion device of the embodiment of the present invention.

Icon: 100- paste extrusion device；10- interlayer；11- tubular shell；12- shell；13- bearing；14- is empty Gap layer；20- screw sheel；21- helical guide groove；30- compression bar；31- lug boss；40- annular pressing plate；41- nut；42- Interconnecting piece；43- pressing plate；The first tooth-shape structure of 51-；511- tooth；The second tooth-shape structure of 52-；60- plunger；The first bullet of 70- Property part；The inner cavity 80- sleeve；81- support portion；A- extrusion.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented The component of example can be arranged and be designed with a variety of different configurations.

Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects It encloses.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage Solution is indication or suggestion relative importance.

In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It is complete horizontal, but can be slightly tilted.

Fig. 1 is please referred to, the embodiment of the present invention provides a kind of paste extrusion device 100, including top end opening and inner hollow Tubular shell 11,11 outer cover of tubular shell be equipped with shell 12, interlayer 10 is formed between tubular shell 11 and shell 12 For filling lotion, it is equipped with screw sheel 20 in tubular shell 11, protrudes into screw sheel 20 and is provided with compression bar 30, screw sheel 20 periphery is threaded with annular pressing plate 40, and annular pressing plate 40 protrudes into interlayer 10, can make screw sheel 20 by moulded rod 30 Opposed helical rotates and squeezes the space of interlayer 10 by the open end of tubular shell 11 between tubular shell 11, in screw sheel 20 bottom is fixedly installed the first tooth-shape structure 51, and being additionally provided in tubular shell 11 can be engaged with 51 phase of the first tooth-shape structure The second tooth-shape structure 52,52 bottom of the second tooth-shape structure is fixedly connected with plunger 60, and the cylindrical outer wall of plunger 60 is arranged with One elastic component 70,11 bottom of tubular shell are also fixedly connected with inner cavity sleeve 80, and inner cavity sleeve 80 is connected to interlayer 10, inner cavity set 80 bottoms of cylinder are provided with extrusion a, can be under the pushing of plunger 60 by squeezing out by the lotion that interlayer 10 enters inner cavity sleeve 80 Mouth a discharge.

The paste extrusion device 100 of the embodiment of the present invention includes the initial of the extrusion a that plunger 60 blocks inner cavity sleeve 80 State, and by after moulded rod 30, the retraction of plunger 60 exposes the occupied state of the portion cavity of inner cavity sleeve 80, by moulded rod 30 A paste extrusion process, including occupied state is entered by original state, then it is after 80s to protrude into inner cavity sleeve again for plunger 60 Lotion in inner cavity sleeve 80 is squeezed out by extrusion a, to reply the process of original state again.It is just primary complete below The working principle of paste extrusion device 100 and illustrating for process of the paste extrusion process progress embodiment of the present invention.

The paste extrusion device 100 of the embodiment of the present invention is in the initial state as shown in Figure 1, the first tooth-shape structure 51 and It is in tooth tip relative status between two tooth-shape structures 52, the first elastic component 70 accumulates elastic potential energy in compressive state, and plunger 60 is complete It fills up the internal cavities in inner cavity sleeve 80 and blocks extrusion a.

When needing to squeeze out the lotion in interlayer 10 in use, by being exposed to other than the tubular shell 11 in compression bar 30 End is pressed, and opposed helical rotates between compression bar 30 and screw sheel 20, wherein length of the compression bar 30 along screw sheel 20 Direction moves along a straight line downwards, and screw sheel 20 rotates, to form helical rotation relationship between the two.It is fixed with screw sheel 20 First tooth-shape structure 51 of connection rotates, the tooth tip of the first tooth-shape structure 51 and the second tooth form knot with the rotation of screw sheel 20 The tooth tip of structure 52 interlocks, and after the tooth tip of the second tooth-shape structure 52 loses the power supported, the first elastic component 70 discharges elastic potential energy, pushes away Dynamic second tooth-shape structure 52 is moved towards the direction of the first tooth-shape structure 51, so that the first tooth-shape structure 51 and the second tooth form Be in occlusive state between structure 52, meanwhile, plunger 60 with the second tooth-shape structure 52 towards the movement of the first tooth-shape structure 51 and Expose the portion cavity of inner cavity sleeve 80.During above-mentioned pressing, screw thread connects between annular pressing plate 40 and screw sheel 20 It connects, screw sheel 20 rotates so that annular pressing plate 40 is moved down relative to screw sheel 20, and annular pressing plate 40 protrudes into and interlayer The inner space of portion extrusion interlayer 10 in 10, the power that lotion is squeezed, part lotion is by communicating position, by interlayer 10 Into in inner cavity sleeve 80 since in plunger 60 detaches and exposes portion cavity, the paste extrusion into the embodiment of the present invention is filled 100 occupied state is set, as shown in Figure 2.

With the further rotation of screw sheel 20, the rotation of the first tooth-shape structure 51 is gradually disengaged and the second tooth-shape structure 52 Between occlusive state, be again introduced into the tooth tip relative status of the first tooth-shape structure 51 and the second tooth-shape structure 52, the first tooth form During the rotation of structure 51 is detached from occlusive state, pushes the second tooth-shape structure 52 and moves downward and compress the first elastic component 70, Plunger 60 is pressed into therewith in the part of inner cavity sleeve 80, and the lotion that inner cavity sleeve 80 is entered under occupied state is squeezed by extrusion a Out, and extrusion a is blocked.The power of moulded rod 30 is pressed in removal, and the paste extrusion device 100 of the embodiment of the present invention returns to initially at this time State.

It should be noted that first, making paste extrusion by moulded rod 30 and inner cavity sleeve is blocked by plunger 60 again After 80 extrusion a, compression bar 30 can be by way of being arranged elastic component, so that elastic component product in the case where compression bar 30 is pressed state Elastic potential energy is stored, after removal is by the power of moulded rod 30, elastic component release elastic potential energy simultaneously pushes 30 return of compression bar.Alternatively, can also To be not provided with the structure of rebound, by moulded rod 30 and after squeezing out lotion, compression bar 30 is lifted manually, so that compression bar 30 returns to original Position.

Second, the lotion to be extruded of the paste extrusion device 100 of the embodiment of the present invention, inside filling is located at tubular shell 11 In interlayer 10 between shell 12, wherein the top of interlayer 10 can be enclosed construction, and annular pressing plate 40 is located at the closing knot Among structure, or it is also possible that top of the annular pressing plate 40 as interlayer 10.Filled in the paste extrusion of the embodiment of the present invention When setting 100 unused state, annular pressing plate 40 is located at the top of interlayer 10, so that interlayer 10 is in the maximum state of volume, As the number that pressing uses increases, annular pressing plate 40 gradually squeezes and reduces 10 space of interlayer, until annular pressing plate 40 moves down To the bottom of interlayer 10.Above-mentioned is the embodiment of two kinds of citings, and the embodiment of the present invention is for annular pressing plate 40 in interlayer 10 Set-up mode be not especially limited, be located in 10 space of interlayer as long as guaranteeing that lotion is closed, and can be with interlayer 10 It moves down and is squeezed in the space for entering inner cavity sleeve 80 by foot passage.

Third, the paste extrusion device 100 of the embodiment of the present invention, for the first tooth-shape structure 51 and the second tooth-shape structure 52 Specific structure also without particular determination, as long as guaranteeing under the turning effort of the first tooth-shape structure 51, the first tooth-shape structure It can replace between occlusive state and tooth tip relative status between 51 and the second tooth-shape structure 52.

The beneficial effect of the embodiment of the present invention includes: that the embodiment of the present invention provides a kind of paste extrusion device, including top The tubular shell 11 of opening and inner hollow, 11 outer cover of tubular shell are equipped with shell 12, tubular shell 11 and shell 12 it Between be formed with interlayer 10 for filling lotion, screw sheel 20 is equipped in tubular shell 11, protrudes into screw sheel 20 and is provided with Compression bar 30, the periphery of screw sheel 20 are threaded with annular pressing plate 40, and annular pressing plate 40 protrudes into interlayer 10, and the present invention is implemented The paste extrusion device 100 of example is plugged in inner cavity sleeve 80 completely in conventional sense plunger 60 and covers extrusion a, avoids The contact stain of lotion and outside air in interlayer 10.The first tooth-shape structure is fixedly installed in the bottom of screw sheel 20 51, the second tooth-shape structure 52 that can be engaged with 51 phase of the first tooth-shape structure, the first tooth-shape structure are additionally provided in tubular shell 11 51 rotate with the rotation of screw sheel 20, so as to be mutually twisted between the first tooth-shape structure 51 and the second tooth-shape structure 52 In the state opposite with tooth tip alternately.Plunger 60, the cylindrical outer wall of plunger 60 are fixedly connected in 52 bottom of the second tooth-shape structure It is arranged with the first elastic component 70,11 bottom of tubular shell is also fixedly connected with inner cavity sleeve 80, and inner cavity sleeve 80 and interlayer 10 connect Logical, sleeve 80 bottom in inner cavity is provided with extrusion a, in use, passing through the end being exposed to other than tubular shell 11 by moulded rod 30 Portion, the pushing of compression bar 30 can be such that opposed helical between screw sheel 20 and tubular shell 11 rotates, and the first tooth-shape structure 51 rotates simultaneously It is in occlusive state between the second tooth-shape structure 52, the second tooth-shape structure 52 drives column under the impetus of the first elastic component 70 Plug 60 is moved to the direction of the first tooth-shape structure 51 to expose the portion cavity of inner cavity sleeve 80, annular pressing plate 40 and screw sheel It is relatively rotated between 20, annular pressing plate 40 moves downward to squeeze the space of interlayer 10 relative to screw sheel 20.Part cream Body enters inner cavity sleeve 80 by interlayer 10 and is filled in chamber portion, with the first tooth-shape structure 51 and the second tooth-shape structure 52 Continue to relatively rotate to tooth tip relative status, the second tooth-shape structure 52 drives plunger 60 to push, and plunger 60 will enter inner cavity sleeve Lotion in 80 cavity is discharged by extrusion a, while plunger 60 blocks the pollution that extrusion a avoids internal lotion.Such one Come, the paste extrusion device 100 of the embodiment of the present invention can squeeze out quantitative lotion by pressing, and seal simultaneously after paste extrusion Stifled extrusion a, it is easy to use, and safety and sanitation.

Optionally, as shown in figure 3, having helical guide groove 21 in 20 inwall processing of screw sheel, helical guide groove 21 is with screw-casing The top of cylinder 20 is starting point, and 30 side wall of compression bar is provided with lug boss 31, and lug boss 31 is corresponding with the starting point of helical guide groove 21, Moulded rod 30 is pressed along the direction of arrow in the figure, and screw sheel 20 rotates so that lug boss 31 is sliding by the starting point of helical guide groove 21 It moves to tail end.

It is exemplary, as shown in figure 3, in the inwall processing helical guide groove 21 of screw sheel 20, it is corresponding, in the side of compression bar 30 Lug boss 31 is arranged in wall, presses moulded rod 30 along the direction of arrow in the figure, lug boss 31 is in helical guide groove 21 along helical guide groove 21 extending direction sliding, in original state, lug boss 31 is located at the starting point of helical guide groove 21, since helical guide groove 21 is in spiral shell Helically downwardly direction extends the inner wall of rotary sleeve 20, when lug boss 31 slides in helical guide groove 21, compression bar 30 and spiral Relative rotation should be existed simultaneously between sleeve 20 and is moved along the relative position of 20 length direction of screw sheel.Wherein, it presses Bar 30 is moved down relative to screw sheel 20, and screw sheel 20 only makees parallel rotation in tubular shell 11, so that the One tooth-shape structure 51 also only makees parallel rotation, moves up and down without generating.

It should be noted that in order to achieve the purpose that make screw sheel 20 only to make parallel rotation in tubular shell 11, it can To limit screw sheel 20 and tubular while screw sheel 20 can be rotated relative to tubular shell 11 using additional structure Moving up and down between shell 11.It is exemplary, annular groove can be set in 11 inner wall of tubular shell, it is corresponding in 20 outer wall of screw sheel Protrusion is set, protrusion is slided in annular groove, in addition to this, is not contacted between tubular shell 11 and the side wall of screw sheel 20, this Sample one, when screw sheel 20 is driven rotation, since the sliding trace of protrusion and annular groove limits, so that screw sheel 20 and cylinder It can not be moved up and down between shape shell 11, so that the component moved up and down in helical rotation is transferred to compression bar 30.

Certainly, the position limiting structure of above-mentioned example is only a kind of embodiment, the paste extrusion device 100 of the embodiment of the present invention This is not especially limited, as long as can guarantee relatively rotate and not occur between screw sheel 20 and tubular shell 11 up and down Movement.

Optionally, as shown in Figure 1, being connected between screw sheel 20 and tubular shell 11 by bearing 13, outside bearing 13 Circle is fixedly connected with 11 inner wall of tubular shell, and the inner ring of bearing 13 is fixedly connected with screw sheel 20.

Exemplary as shown in Figure 1, connected between screw sheel 20 and tubular shell 11 by bearing 13, bearing 13 can be with Outer ring for common ball bearing, bearing 13 is fixedly connected with 11 inner wall of tubular shell, the inner ring and screw sheel of bearing 13 20 are fixedly connected, and when screw sheel 20 is driven rotation, by the setting of bearing 13, enable to screw sheel 20 relative to cylinder Only parallel rotation moves up and down shape shell 11 without additional.Moreover, the setting of bearing 13, enables to screw sheel 20 and tubular Relative rotation between shell 11 is smooth, and frictional force is small, to effectively improve the paste extrusion device 100 of the embodiment of the present invention The convenience and working life used.13 structure of bearing is simple and cheap, applied in the structure of the embodiment of the present invention, The job stability of device when can be improved multiple pressing operation repeatedly in use.

Optionally, as shown in Figure 1, being formed with void layer 14 between screw sheel 20 and tubular shell 11, bearing 13 is connected It is set to void layer 14.

If there is no void layer 14 between screw sheel 20 and tubular shell 11, the side wall and tubular shell of screw sheel 20 11 side wall can contact with each other, and phase mutual friction can occur when relatively rotating between screw sheel 20 and tubular shell 11, in this way Both increase rotary resistance, also reduce the working life of screw sheel 20 and tubular shell 11, it is also possible to lead to screw sheel 20 It rotates between tubular shell 11 stuck and is not available paste extrusion device 100.

As shown in Figure 1, forming void layer 14 between screw sheel 20 and tubular shell 11, bearing 13 is connected in sky At the position of gap layer 14, so, screw sheel 20 is under the rotation connection effect of bearing 13 relative to 11 turns of tubular shell It is dynamic, the relationship that is rotatably connected only is presented by bearing 13 between screw sheel 20 and tubular shell 11, and in 20 He of screw sheel The other positions of 11 side wall of tubular shell are since the presence of void layer 14 is without contacting with each other, to improve screw sheel Smooth degree when being relatively rotated between 20 and tubular shell 11.

Optionally, it is machined with through slot along the pressing direction of compression bar 30 in 11 side wall of tubular shell, as shown in figure 4, annular pressure Plate 40 is located in through slot including nut 41 and the pressing plate 43 being connect by interconnecting piece 42 with nut 41, interconnecting piece 42, nut 41 It is connect with the outer wall thread of screw sheel 20.

As shown in Figure 1, by the annular pressing plate 40 of 42 attaching nut 41 and pressing plate 43 of interconnecting piece, nut 41 and screw sheel 20 Outer wall thread connection, when screw sheel 20 rotates, since interconnecting piece 42 is arranged in through slot, define that annular pressing plate 40 is whole Can not be rotated relative to tubular shell 11 so that annular pressing plate 40 screw sheel 20 rotate when, by with screw sheel 20 Threaded connection relation, can be moved along the extending direction of through slot.Annular pressing plate 40 is moved down along through slot, is squeezed in interlayer 10 Accommodating lotion space.Company between this annular pressing plate 40 and annular pressing plate 40 and tubular shell 11 and screw sheel 20 Mode is connect, on the one hand can guarantee that annular pressing plate 40 squeezes the space of interlayer 10, on the other hand, can also be effectively prevented Lotion in interlayer 10 enters the space within tubular shell 11, influences the steady of the paste extrusion device 100 of the embodiment of the present invention Fixed smooth work.

Optionally, the first tooth-shape structure 51 and the second tooth-shape structure 52 are round fluted disc, as shown the first tooth in Fig. 5 The schematic diagram of shape structure 51.It is uniformly distributed in its circumferencial direction on the surface of 52 opposite side of first tooth-shape structure 51 and the second tooth-shape structure Multiple teeth 511 are set, and the first tooth-shape structure 51 and the second tooth-shape structure 52 relatively rotate, multiple teeth on two round fluted discs It is mutually twisted between 511 or tooth tip offsets.

As shown in figure 5, the first tooth-shape structure 51 is the structure that multiple teeth 511 are along the circumferential direction evenly distributed on round fluted disc, the When one tooth-shape structure 51 is rotated with screw sheel 20, center of circle rotation of first tooth-shape structure 51 along itself round fluted disc, the second tooth Shape structure 52 is identical as the structure of the first tooth-shape structure 51, when rotation on round fluted disc same circle distribution multiple teeth 511 It can be realized in the relative rotation of circulation and be mutually twisted the alternating to offset with tooth tip.

Optionally, the longitudinal section of multiple teeth 511 is outwardly extending trapezoidal by round tooth disk.

It should be noted that the longitudinal section of tooth 511 refers to the section along the direction perpendicular to round fluted disc.I.e. with tooth 511 setting direction is longitudinal.

The longitudinal section of tooth 511 is outwardly extending trapezoidal by round fluted disc.First tooth-shape structure 51 is with screw sheel 20 When rotation, rotation direction is set as the direction matched with trapezoidal inclined-plane, and when the first tooth-shape structure 51 and the second tooth form knot When the state that structure 52 offsets in tooth tip, the tooth 511 of the tooth 511 of the first tooth-shape structure 51 and the second tooth-shape structure 52 is trapezoidal upper Bottom position offsets.So, in the state that the first tooth-shape structure 51 and the second tooth-shape structure 52 offset in tooth tip, two ladders The upper baseplane of shape offsets so that stability is preferable, in the shape that the first tooth-shape structure 51 and the second tooth-shape structure 52 offset in tooth tip When converting between state and occlusive state, transformation is realized by the trapezoidal inclined plane of tooth 511, is capable of providing preferable component so that transformation It is laborsaving and smooth.

Certainly, due under normal conditions, in the paste extrusion device 100 of the embodiment of the present invention, the first tooth-shape structure 51 Rotation direction is predetermined, therefore, in the embodiment of the present invention for tooth 511 be specially general trapezoidal, isosceles trapezoid or Right-angled trapezium is not construed as limiting.When tooth 511 is set as right-angled trapezium, those skilled in the art should know the first tooth form is being arranged When rotation direction of the structure 51 relative to the second tooth-shape structure 52, it is arranged between the first tooth-shape structure 51 and the second tooth-shape structure 52 It relatively rotates towards the inclined-plane side of right-angled trapezium.

Optionally, as shown in figure 3, being provided with the second elastic component (being not shown in Fig. 3), the second elastic component in 30 bottom end of compression bar One end and the bottom surface of compression bar 30 offsets, the top surface of the other end and the first tooth-shape structure 51 offsets, the lug boss of 30 side wall of compression bar 31 are skidded off by the tail end of helical guide groove 21, and the second resilient element urges compression bar 30 replys initial bit.

Exemplary, straight line being arranged in the tail end of helical guide groove 21, to be connected to the tail end of helical guide groove 21 auxiliary to starting point Slot is helped, when the lug boss 31 of 30 side wall of compression bar slides to tail end by the starting point of helical guide groove 21, lug boss 31 enters auxiliary tank, And slided in auxiliary tank rapidly under the impetus of the second elastic component, starting point is returned back to by the tail end of helical guide groove 21, Even if compression bar 30 replys initial bit.So, it can guarantee the shuttling movement shape of closed loop between compression bar 30 and screw sheel 20 State improves the stability of operation.

Optionally, it is arranged with elastic sealing layer in the outer wall of tubular shell 11, elastic sealing layer is in the position of corresponding through slot It is formed with precut.

It is arranged elastic sealing layer (not shown in figure 1) in the outer wall of tubular shell 11, enables to be located at tubular shell 11 The lotion in interlayer 10 between shell 12 avoids passing through through slot and enters inside tubular shell 11, to guarantee the sealing of interlayer 10 Property, the clean hygiene of lotion in interlayer 10 is kept, influences device internal drive after also avoiding lotion from entering in tubular shell 11 Work.

After the outer wall of tubular shell 11 is arranged elastic sealing layer, annular pressing plate 40 is downward in the through slot along tubular shell 11 It, can be by pushing or destroying elastic sealing layer with gradually slide downward when movement.

Alternatively, precut can also be formed in the position that elastic sealing layer corresponds to through slot in advance, precut can be breakpoint Connecting line or joint-cutting, since elastic sealing layer itself has certain elasticity, when the interconnecting piece 42 of annular pressing plate 40 pushes power-off When connecting line or joint-cutting, elastic sealing layer, which can be made a concession out, moves position so that annular pressing plate 40 is along through slot downlink, in annular pressing plate 40 The position that moves away of interconnecting piece 42, the endpoint connecting line of elastic sealing layer or joint-cutting two sides are combinable to guarantee leakproofness.

Optionally, sleeve 80 side wall in inner cavity is connected to by communicating passage with interlayer 10, communicating passage include it is multiple, it is multiple Communicating passage is uniformly arranged along the same cross-sectional periphery of 80 side wall of inner cavity sleeve.

Optionally, the first elastic component 70 is helical spring, as shown in Figure 1, inner cavity sleeve 80 passes through support portion 81 and tubular Shell 11 is fixedly connected, and one end of helical spring offsets with 52 bottom of the second tooth-shape structure, the other end is abutted with support portion 81.

As shown in Figure 1, helical spring can put aside elastic potential energy in compressive state and support end release by two.The present invention is real It applies in the paste extrusion device 100 of example, helical spring is in squeezed state in original state and occupied state, and the one of helical spring End offsets with 52 bottom of the second tooth-shape structure, the other end is abutted with support portion 81, when paste extrusion device 100 is turned by original state When for occupied state, the elastic potential energy of helical spring release savings, to push the second tooth-shape structure 52 towards the first tooth-shape structure 51 direction is mutually twisted with the first tooth-shape structure 51.

The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of paste extrusion device, which is characterized in that the tubular shell including top end opening and inner hollow, the cylindrical case It is arranged with shell outside body, interlayer is formed between the tubular shell and the shell for filling lotion, the tubular It is equipped with screw sheel in shell, protrudes into the screw sheel and is provided with compression bar, the periphery of the screw sheel is threaded with Annular pressing plate, the annular pressing plate protrude into the interlayer, and the screw sheel and the cylindrical case can be made by pressing the compression bar Opposed helical rotates and squeezes the space of the interlayer by the open end of the tubular shell between body, in the screw sheel Bottom is fixedly installed the first tooth-shape structure, and being additionally provided in the tubular shell can mutually be engaged with first tooth-shape structure Second tooth-shape structure, second tooth-shape structure bottom are fixedly connected with plunger, and the cylindrical outer wall of the plunger is arranged with first Elastic component, the tubular shell bottom are also fixedly connected with inner cavity sleeve, and the inner cavity sleeve is connected to the interlayer, described interior Chamber sleeve bottom is provided with extrusion, can be under the pushing of the plunger by the lotion that the interlayer enters the inner cavity sleeve It is discharged by the extrusion.

2. paste extrusion device according to claim 1, which is characterized in that the screw sheel inwall processing has spiral to lead Slot, for the helical guide groove using the top of the screw sheel as starting point, the compression bar side wall is provided with lug boss, the protrusion Portion is corresponding with the starting point of the helical guide groove, presses the compression bar, and the screw sheel rotates so that the lug boss is by institute The starting point for stating helical guide groove slides into tail end.

3. paste extrusion device according to claim 2, which is characterized in that the screw sheel and the tubular shell it Between connected by bearing, the outer ring of the bearing is fixedly connected with the tubular housing inner wall, the inner ring of the bearing with it is described Screw sheel is fixedly connected.

4. paste extrusion device according to claim 3, which is characterized in that the screw sheel and the tubular shell it Between be formed with void layer, the bearing is connected in the void layer.

5. paste extrusion device according to claim 3, which is characterized in that pressing of the tubular shell side wall along compression bar Direction is machined with through slot, and the annular pressing plate includes nut and the pressing plate that is connect by interconnecting piece with the nut, the company Socket part is located in the through slot, and the nut is connect with the outer wall thread of the screw sheel.

6. paste extrusion device according to claim 1, which is characterized in that first tooth-shape structure and second tooth Shape structure is round fluted disc, is in its circumference side on the surface of first tooth-shape structure and second tooth-shape structure opposite side To multiple teeth are uniformly arranged, first tooth-shape structure and second tooth-shape structure are relatively rotated, on two round fluted discs It is mutually twisted between multiple teeth or tooth tip offsets.

7. paste extrusion device according to claim 6, which is characterized in that the longitudinal section of the multiple tooth is by described Round fluted disc is outwardly extending trapezoidal.

8. paste extrusion device according to claim 2, which is characterized in that the compression bar bottom end is provided with the second elasticity Part, one end of second elastic component and the bottom surface of the compression bar offset, the top surface of the other end and the first tooth-shape structure offsets, institute The lug boss for stating compression bar side wall is skidded off by the tail end of the helical guide groove, and compression bar described in second resilient element urges is replied initial Position.

9. paste extrusion device according to claim 5, which is characterized in that be arranged with bullet in the outer wall of the tubular shell Property sealant, the elastic sealing layer are formed with precut in the position of the correspondence through slot.

10. paste extrusion device according to claim 1, which is characterized in that the inner cavity sleeve lateral wall is logical by connection Road is connected to the interlayer, the communicating passage include it is multiple, multiple communicating passages are along the inner cavity sleeve lateral wall Same cross-sectional periphery is uniformly arranged.