CN110652097A - Push-button type replaceable packing tube - Google Patents

Abstract

The present application provides a button-type replaceable packaging tube, comprising a bottom case and a central bundle core installed in the bottom case, the bottom case including an outer bottom and an inner bottom that are nested and slidably fitted with each other, wherein the inner bottom is sliding There are a first working position and a second working position on the path, and a positioning structure that cooperates with each other to keep the inner bottom in the corresponding working position is arranged between the inner bottom and the outer bottom; Removably plugged into the inner bottom, and the middle bundle core is provided with a limit part that cooperates with the elastic claw; the outer bottom is provided with a driving member acting with the elastic claw, and the elastic claw is located in the inner bottom. Under the action of the driving member, there is a locked state engaged with the limiting portion and an unlocked state of releasing the limiting portion. When the inner bottom is switched between different working positions, the driving member acts on the elastic claw to switch the state accordingly. The button-type replaceable packaging tube provided in the present application can realize the replacement of the middle beam core.

Description

Button Type Replaceable Packaging Tube

technical field

The present application relates to the technical field of cosmetic packaging, in particular to a button-type replaceable packaging tube.

Background technique

At present, the existing packaging tubes on the market, including the middle beam core and the bottom shell, cannot be sold separately because the middle beam core and the bottom shell cannot be separated. With the development of market demand, there is gradually a need to replace the middle beam core, which cannot be satisfied by the existing packaging tube technology.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a button-type replaceable packaging tube to solve the problem that the existing middle beam core and the bottom shell cannot be separated.

In order to achieve the above purpose, the present application adopts the following technical solutions: a button-type replaceable packaging tube, comprising a bottom shell and a middle bundle core installed in the bottom shell, and the bottom shell includes mutually nested and slidingly fitted Outsole and inner bottom, wherein the inner bottom has a first working position and a second working position on the sliding path, and the inner bottom and the outer bottom are provided with mutual cooperation to keep the inner bottom in the corresponding working position. Bit positioning structure;

The inner bottom is provided with elastic claws, the middle beam core is detachably inserted in the inner bottom, and the middle beam core is provided with a limit portion matched with the elastic claws;

The outsole is provided with a driving member acting with the elastic claw, and the elastic claw has a locked state engaged with the limiting portion under the action of the driving member, and releases the In the unlocked state of the limiting portion, when the inner bottom is switched between different working positions, the driving member acts on the elastic claw correspondingly to switch the state.

Several optional methods are also provided below, which are not intended to be additional limitations on the above-mentioned overall solution, but are merely further additions or optimizations. On the premise of no technical or logical contradiction, each optional method can be independently implemented for the above-mentioned overall solution. The combination can also be a combination between multiple optional ways.

Optionally, the positioning structure includes:

a tab, which is arranged on the inner bottom and extends radially outward along the inner bottom;

A bayonet, the bayonet is opened on the outsole and matched with the tab, the bayonet includes a first bayonet and a second bayonet, and the tab is in the first working position or the second working position The bits correspond to the first or second bayonet.

Optionally, the outsole includes:

The middle sleeve and the outer sleeve are nested in each other, the inner bottom is slidably installed in the middle sleeve, and the first bayonet and the second bayonet are both arranged on the middle sleeve;

The jacket is also embedded with a button abutting against the tab, and under the action of the button, the tab is separated from the bayonet where it is located.

Optionally, the outer sleeve is provided with a button installation port, and the middle sleeve is provided with a button limit port; the button includes:

a button body that can be radially floated and embedded in the button installation port;

a pin fixed on the button body and placed on the edge of the button installation opening;

a limit hook fixed on the inner wall of the button body and matched with the button limit opening;

The extrusion bump is fixed on the inner wall of the button body and abuts against the tab.

Optionally, the inner bottom is cup-shaped, a through hole is provided at the bottom of the cup, and the elastic claws are distributed around the through hole;

The driving member is cylindrical and protrudes into the inner bottom through the through hole, and radially abuts against the elastic claw;

The elastic jaws move axially relative to the driving member, and the elastic jaws swing radially to switch states.

Optionally, the inner bottom and the outer bottom are further provided with a compression spring for driving the inner bottom to enter the second working position.

Optionally, the elastic claws include a root portion and a claw head;

In the first working position, the root portion and the claw head are radially abutted against the driving member to push the claw head to expand outward into a locked state;

In the second working position, the claw head is disengaged from the driving member, and the claw head is elastically retracted radially to enter an unlocked state.

Optionally, the number of the elastic claws is 2-4, and each elastic claws are distributed around the driving member and abut against the outer wall of the driving member.

Optionally, the limiting portion includes:

The insertion hole is opened at the bottom of the middle beam core, and the inner wall of the insertion hole is provided with a limit step. In the locked state, the elastic claw extends into the insertion hole and rides on the limit step.

Optionally, the middle beam core sequentially includes:

beads for carrying the paste;

a fork for accommodating and guiding the axial movement of the beads, which is limited in rotation with the inner bottom;

a spiral sleeve that is rotatably sleeved on the outer circumference of the fork and used to drive the axial movement of the bead;

The middle beam is fixedly sleeved on the outer periphery of the spiral;

The limiting portion is opened at the bottom of the fork.

In the button-type replaceable packaging tube provided by the present application, the relative separation of the inner bottom and the outer bottom is realized by pressing the positioning structure. The locking and unlocking between the bottom and the middle beam core realizes the detachable replacement of the middle beam core.

Description of drawings

1 is a schematic three-dimensional structure diagram of a button-type replaceable packaging tube provided by an embodiment of the application;

Fig. 2 is the exploded structure schematic diagram of the packaging tube shown in Fig. 1;

3 is a schematic structural diagram of the packaging tube shown in FIG. 1 from another perspective;

Fig. 4 is the sectional schematic diagram of the packaging tube shown in Fig. 3 at A-A;

Fig. 5 is a partial enlarged schematic view of the packaging tube shown in Fig. 4 at place A;

Fig. 6 is a partial enlarged schematic view of the packaging tube shown in Fig. 4 at B;

Fig. 7 is the structural representation of the jacket in the packaging tube shown in Fig. 2;

Fig. 8 is the structural representation of the middle sleeve in the packaging tube shown in Fig. 2;

FIG. 9 is a schematic structural diagram of the middle sleeve shown in FIG. 8 in another viewing angle;

Fig. 10 is the structural representation of the button in the packaging tube shown in Fig. 2;

Fig. 11 is the structural representation of the inner bottom in the packaging tube shown in Fig. 2;

FIG. 12 is a schematic structural diagram of the insole shown in FIG. 11 from another viewing angle;

Figure 13 is a schematic diagram of the assembly structure of the fork and the bead in the packaging tube shown in Figure 4;

Figure 14 is a schematic structural diagram of the fork shown in Figure 13;

Figure 15 is a schematic cross-sectional view of the fork shown in Figure 14 at B-B;

Fig. 16 is the structural representation of the spiral in the packaging tube shown in Fig. 4;

FIG. 17 is a schematic view of the structure of the helix shown in FIG. 16 from another viewing angle.

The reference numerals in the figure are explained as follows:

100, packaging tube; 10, bottom shell; 11, outsole; 111, driver; 112, middle sleeve; 1121, button limit opening; 1122, limit groove; 1123, socket; 113, outer cover; 1131, button installation mouth; 1132, limit protrusion; 114, button; 1141, button body; 1142, pin; 1143, limit hook; 1144, extrusion bump; 115, sliding convex strip; 12, inner bottom; 121, elasticity Claw; 1211, root; 1212, claw head; 122, through hole; 123, sliding slot; 13, positioning structure; 131, tab; 1311, limit surface; 1312, guide slope; 132, bayonet; 1321 , the first bayonet; 1322, the second bayonet; 14, the compression spring; 20, the middle beam core; 21, the limit part; 211, the jack; 212, the limit step; 22, the bead; 23, the fork; 231 , positioning ribs; 24, spiral; 25, in the beam.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

It should be noted that when a component is referred to as being "connected" to another component, it can be directly connected to the other component or an intervening component may also exist. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in the specification of the present application are for the purpose of describing specific embodiments only, and are not intended to limit the present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIG. 1 to FIG. 6 together. An embodiment of the present application provides a packaging tube 100 that is convenient to replace the middle bundle core 20 , and the packaging tube 100 can be used for placing lipstick paste and the like.

The packaging tube 100 includes a bottom case 10 and a middle bundle core 20 . A lipstick cover body can be installed on the middle bundle core 20 , and the cover body cooperates with the bottom case 10 to seal the lipstick paste. The middle beam core 20 is installed in the bottom shell 10 and adopts a detachable plug-in method. The middle beam core 20 is inserted into the bottom shell 10 and the middle beam core 20 can be removed from the bottom shell 10, that is, the middle beam core 20 is connected to the bottom shell 10. The shell 10 is detachably mounted to facilitate replacement of the middle beam core 20 . The central beam core 20 and the bottom shell 10 both have an axis and the two axes are coincident. Since the mid-beam core 20 is not a key improvement point of the present application, any adaptable mid-beam core 20 in the prior art can be used, but improved embodiments of the mid-beam core 20 are also provided below.

The bottom case 10 includes an outer bottom 11 and an inner bottom 12, the outer bottom 11 is nested on the outer circumference of the inner bottom 12, the outer bottom 11 and the inner bottom 12 are slidably matched, and the inner bottom 12 can slide relative to the axial movement of the outer bottom 11. Path, the inner bottom 12 has a first working position and a second working position on the sliding path, when the inner bottom 12 is in the first working position, the packaging tube 100 is in a locked state, and when the inner bottom 12 is in the second working position, the packaging tube 100 is unlocked state.

The outsole 11 and the insole 12 are provided with mutually matched positioning structures 13 so as to fix the relative positions of the outsole 11 and the insole 12 and keep the insole 12 in the corresponding working position. For example, when the inner bottom 12 is in the first working position, the positions of the inner bottom 12 and the outer bottom 11 can be relatively fixed due to the positioning structure 13; when the inner bottom 12 slides relative to the outer bottom 11 to the second working position, similarly, the positioning structure 13 keeps the insole 12 in the second working position. Before the inner bottom 12 slides in the axial direction, the positioning structure 13 first releases the axial positioning function, and then the inner bottom 12 slides relatively. Wherein, the force for the inner bottom 12 to produce relative sliding may be an external force, such as pulling the inner bottom 12, or acting on the inner bottom 12 by setting a driving component. It can be understood that the positioning structure 13 may adopt a snap structure, a latch structure, or a lock structure, or the like. When the inner bottom 12 is switched from the first working position to the first working position, the outer bottom 11 and the inner bottom 12 can be separated by pressing the positioning structure 13, thereby realizing the change of the working position.

Specifically, the inner bottom 12 is provided with elastic claws 121 , the middle beam core 20 is provided with a limiting portion 21 , and the elastic claws 121 cooperate with the limiting portion 21 to realize the axial direction between the middle beam core 20 and the inner bottom 12 . Position, insert the middle beam core 20 into the inner bottom 12 . When the elastic claw 121 is separated from the limiting portion 21, the axial positioning of the middle beam core 20 and the inner bottom 12 is released, the middle beam core 20 can be removed from the inner bottom 12, and the detachable insertion of the middle beam core 20 can be realized. Purpose in the insole 12.

The outer bottom 11 is provided with a driving member 111 that acts on the elastic claw 121. Under the action of the driving member 111, the elastic claw 121 is engaged with the limiting portion 21 to realize the shaft between the middle beam core 20 and the inner bottom 12. Orientation to form a locked state. When the elastic claw 121 releases the limiting portion 21 , an unlocked state is formed.

When the inner bottom 12 is switched between different working positions, the driving member 111 acts on the elastic claw 121 correspondingly to switch the state. When the inner bottom 12 is in the first working position, the positions of the inner bottom 12 and the outer bottom 11 are relatively fixed by the positioning structure 13, and the driving member 111 of the outer bottom 11 acts on the elastic claw 121 of the inner bottom 12, so that the elastic claw 121 and The limiting portion 21 forms a locked state, thereby locking the central beam core 20 in the inner bottom 12 . After the axial positioning between the inner bottom 12 and the outer bottom 11 is released, when the inner bottom 12 slides relative to the outer bottom 11 and switches to the second working position, the driving member 111 releases the elastic claw 121, and the elastic claw 121 is connected to the limiting portion. 21 forms an unlocked state, and the inner bottom 12 is positioned at the second working position by the positioning structure 13 between the inner bottom 12 and the outer bottom 11 again.

In the packaging tube 100 provided in this embodiment, the inner bottom 12 and the outer bottom 11 are relatively separated by pressing the positioning structure 13 . The positioning portion 21 cooperates to realize the locking and unlocking between the inner bottom 12 and the middle beam core 20 , so as to realize the detachable replacement of the middle beam core 20 .

Please refer to FIG. 7 to FIG. 12 , in another embodiment, the inner bottom 12 is slidably matched with the outer bottom 11 , the outer wall of the inner bottom 12 is provided with a sliding snap groove 123 , and the inner wall of the outer bottom 11 is provided with a sliding snap groove 123 to match Sliding ridges 115. The sliding protruding strips 115 are inserted into the sliding locking grooves 123 to realize the circumferential positioning of the inner bottom 12 and the outer bottom 11 . Wherein, the sliding card slot 123 extends along the axis direction, and there are at least one sliding card slot 123, such as 2, 3 or 4, and each sliding card slot 123 is distributed along the circumferential direction of the inner bottom 12, and the sliding card slot 123 is preferably 2 indivual. The bottom of the sliding card slot 123 is provided with a flared structure, which is convenient to realize the clipping of the inner bottom 12 into the outer bottom 11 . It can be understood that the sliding slot can also be formed on the inner wall of the outer bottom 11 , and the sliding convex strips are correspondingly formed on the outer wall of the inner bottom 12 .

In another embodiment, the positioning structure 13 between the inner bottom 12 and the outsole 11 includes a tab 131 and a bayonet 132 matched with the tab 131 , the tab 131 is arranged on the inner bottom 12 and the bayonet 132 is opened On the outsole 11 , the tabs 131 extend radially outward along the insole 12 , have an eversion tendency, that is, at least partially protrude radially outward, and extend into the tabs 132 to form an engaged state to realize the insole 12 and the outsole Axial positioning between 11.

The bayonet 132 includes a first bayonet 1321 and a second bayonet 1322. When the inner bottom 12 is in the first working position, the tab 131 is inserted into the first bayonet 1321; when the inner bottom 12 is at the second working position, the tab 131 is locked into the second bayonet 1322. Specifically, the first bayonet 1321 and the second bayonet 1322 are arranged and distributed along the axial direction of the outsole 11 . In a preferred embodiment, the tab 131 and the inner bottom 12 are integrally formed.

In another embodiment, the outsole 11 includes a middle sleeve 112 and an outer sleeve 113 that are nested in each other, the middle sleeve 112 and the outer sleeve 113 are substantially cylindrical, the inner bottom 12 is slidably installed in the middle sleeve 112 , and the middle sleeve 112 has a limited position. In the groove 1122, the inner wall of the outer casing 113 is provided with a limiting protrusion 1132, and the limiting protrusion 1132 cooperates with the limiting groove 1122 to realize nesting. It can be understood that the limiting protrusions can also be provided on the middle sleeve 112 , and the limiting grooves are correspondingly provided on the outer sleeve 113 .

A button 114 is embedded on the jacket 113, and the button 114 is in contact with the tab 131. Under the action of the button 114, the tab 131 is disengaged from the bayonet 132 where it is located, so as to realize the disassembly of the central bundle core controlled by the button. A first bayonet 1321 and a second bayonet 1322 are defined on the middle sleeve 112 . It can be understood that in the first working position, the bayonet 131 is inserted into the first bayonet 1321 and the button 114 abuts against the bayonet 131 . In the process of switching from the first working position to the second working position, the button 114 is pressed, the button 114 squeezes the tab 131, the tab 131 is separated from the first tab 1321, and the shaft between the outsole 11 and the insole 12 To release the positioning, the insole 12 moves axially relative to the outsole 11, and when the tab 131 slides to the second bayonet 1322, the tab 131 snaps into the second bayonet 1322 to achieve axial positioning and keep the insole 12 in the second bayonet 1322. Two working places.

The end of the tab 131 is a limiting surface 1311 that abuts against the inner edge of the corresponding bayonet, which is generally flat. There is a guiding slope 1312 on the outer side of the limiting surface 1311. When the core is reset, the guiding slope 1312 of the tab 131 and the second clip The bottom edge of the mouth 1322 contacts and guides the tab 131 to retract radially inward, until reaching the first bayonet 1321, the tab 131 expands outward again under the action of its own elasticity and snaps into the first bayonet 1321, that is, the limiting surface 1311 is connected to the first bayonet 1321. The top edges of the first bayonet 1321 abut against each other.

In another embodiment, the outer casing 113 is provided with a button installation opening 1131 , and the button installation opening 1131 is used to realize the nesting of the button 114 in the outer casing 113 . The button 114 includes a button body 1141 and pins 1142 , the pins 1142 are fixed on the button body 1141 , the button body 1141 is radially floating and embedded in the button installation opening 1131 , and the pins 1142 are placed on the edge of the button installation opening 1131 . It can be understood that the button body 1141 can be displaced along the radial direction of the outer casing 113 under the action of external force.

A pressing bump 1144 is fixed on the inner wall of the button body 1141, and the pressing bump 1144 is in contact with the tab 131. When the button body 1141 is pressed radially, the pressing bump 1144 moves in the radial direction, forcing the tab 131 to leave the card. Port 132, release the positioning function. A limit hook 1143 is fixed on the inner wall of the button body 1141, a button limit port 1121 is opened in the middle sleeve 112, and the limit hook 1143 cooperates with the button limit port 1121 to limit the radial movement of the button 114 to realize the button body. The floating installation of 1141 prevents the button 114 from falling off.

It can be understood that the axial position of the limiting hooks 1143 may be flush with the extrusion protrusions 1144 or distributed in heights along the axial direction. The button limiting port 1121 may be communicated with the first bayonet 1321 or the second bayonet 1322 or be considered to be shared, or the button limiting port 1121 may be separately opened on the middle sleeve 112 . In one embodiment, the axial position of the limit hook 1143 is flush with the extrusion protrusion 1144 , and the button limit opening 1121 is shared with the first bayonet 1321 . When the button 114 is not pressed, the limit hook 1143 cooperates with the first bayonet 1321 to limit the position. When the button 114 is pressed, the limit hook 1143 moves in the inner diameter direction and radially separates from the button limit port 1121 .

Further, the middle sleeve 112 is provided with a socket 1123 , and the pins 1142 are inserted into the sockets 1123 through the button installation holes 1131 , so that the pins 1142 can be placed on the edge of the button installation holes 1131 . The number of pins 1142 is at least one, preferably two, and the number of sockets 1123 corresponds to two.

Specifically, the radial extension length of the limiting hook 1143 is greater than that of the extrusion bump 1144 . The radial length of the extrusion bump 1144 is preferably the wall thickness of the middle sleeve 112 , so that the extrusion bump 1144 can extrude the tab 131 from the bayonet 132 . The radial length of the limit hook is greater than twice the wall thickness of the middle sleeve 112 . When the tab 131 is engaged with the tab 132 , the outer diameter of the tab 131 is flush with the outer diameter of the middle sleeve 112 .

When the inner bottom 12 is in different two working positions, there is a relative displacement between the driving member 111 and the elastic claw 121, and then the change of the interaction occurs. The present application just uses the change of the interaction between the two to switch the state of the elastic claw 121. In one embodiment, please refer to FIG. 6 , FIG. 11 and FIG. 12 , the inner bottom 12 is in the shape of a cup, the height of the inner bottom 12 extending in the axial direction is lower than the middle sleeve 112 , the bottom of the cup is provided with a through hole 122 , and the elastic card The claws 121 are distributed around the through hole 122 . The driving member 111 is cylindrical, the driving member 111 protrudes into the inner bottom 12 through the through hole 122, and radially abuts against the elastic claw 121. The inner wall of the claw 121 abuts against the outer wall of the driving member 111 . The elastic claws 121 are engaged with the limiting portion 21 of the middle beam core 20 to achieve a locked state in which the middle beam core 20 is installed on the inner bottom 12 , and the inner bottom is in the first working position.

When the tongue 131 is separated from the first bayonet 1321, the axial positioning of the inner bottom 12 and the outer bottom 11 is released, and the elastic claw 121 moves axially relative to the driving member 111. In the orientation shown in FIG. 6, the elastic claw 121 is upward. Movement, the radial support force of the driving member 111 on the elastic jaws 121 is gradually lost, the elastic jaws 121 swing radially inward under the action of its own elasticity, the outer diameter enclosed by the elastic jaws 121 gradually decreases, and the elastic jaws 121 The plug connection with the limiting portion 21 of the middle beam core 20 is gradually released to switch to the unlocked state, and the inner bottom enters the second working position.

In order to facilitate the replacement of the central beam core 20, in another embodiment, the inner bottom 12 and the outer bottom 11 are further provided with a compression spring 14 for driving the inner bottom 12 to enter the second working position. In the first working position, the compression spring 14 is in a compressed state. When the tab 131 is disengaged from the first bayonet 1321, the compression spring 14 drives the inner bottom 12 to move axially relative to the outer bottom 11, that is, the elastic claw 121 drives relatively The member 111 moves axially. Specifically, the compression spring 14 is installed at the bottom position of the inner bottom 12 and is sleeved on the outer circumference of the inner bottom 12 . The inner bottom 12 is concave to form a groove, and the outer diameter of the groove is smaller than the outer diameter of the inner bottom 12 . The outer wall of the groove and the middle sleeve 112 form an accommodating space, please refer to FIG. When there is no compression spring 14, the inner bottom 12 can be driven to move axially by manpower.

In order to make the elastic claw 121 respond more sensitively to the relative displacement between the driving member 111 , in one embodiment, the elastic claw 121 includes a root portion 1211 and a claw head 1212 , and the root portion 1211 and the claw head 1212 are fixedly connected and have an integral structure , in the first working position, the root portion 1211 and the claw head 1212 are in radial contact with the driving member 111 to push the claw head 1212 to expand into the locked state. In the locked state, the claw head 1212 cooperates with the limiting portion 21 to realize Axial limit; in the second working position, the claw head 1212 is disengaged from the driving member 111, and the claw head 1212 is elastically retracted radially, the claw head 1212 is disengaged from the limiting portion 21, and enters the unlocked state. It can be understood that changing the radial abutting force or the force applying position can realize that the elastic claw 121 is disengaged from the limiting portion 21 . For example, the driving member 111 itself can achieve radial contraction, and by changing the size of the radial expansion of the driving member 111 , the abutting force of the driving member 111 on the elastic claw 121 can be changed.

In order to ensure the stable cooperation between the elastic claws 121 and the limiting portion 21 and avoid accidental loosening, in one embodiment, the number of the elastic claws 121 is multiple, such as 2 to 4, and each elastic claws 121 is driven around The parts 111 are distributed and abut against the outer wall of the driving part 111 . The length of the elastic claws 121 extending in the axial direction is approximately one-fifth to one-third of the height of the inner bottom 12 . Further, the height of the cylindrical driving member 111 extending in the axial direction is equal to the height from the top of the elastic claw 121 to the bottom end of the inner bottom 12 .

Please refer to FIGS. 13 to 17 , in another embodiment, the limiting portion 21 includes an insertion hole 211 formed at the bottom of the middle beam core 20 . The inner wall of the insertion hole 211 is provided with a limiting step 212 . In the locked state, the elastic The clamping claw 121 extends into the insertion hole 211 and rests on the limiting step 212 . In the unlocked state, the elastic claw 121 is separated from the limiting step 212 . Specifically, the limit step 212 is a boss formed by the inner convex of the bottom of the middle beam core 20, the insertion hole 211 penetrates the boss, and the limit step 212 is higher than the bottom of the inner bottom 12 in the axial direction, which is convenient to realize by changing the The elastic claw 121 exerts force on the position, so that the elastic claw 121 is separated from the limiting portion 21 .

In the prior art, there are different types and structures of middle beam cores, but in normal use, one of the components will be relatively fixed to the bottom shell, that is, as a fixed component. The position part is arranged on the fixing part to realize the cooperation with the elastic claw.

In one embodiment, the middle beam core 20 sequentially includes beads 22 , forks 23 , spirals 24 and middle beams 25 from the inside to the outside. The beads 22 are used to carry the lipstick paste, and the forks 23 are used to accommodate and guide the beads 22 to move axially. , and the fork 23 and the inner bottom 12 are rotated to limit the position, the bottom of the fork 23 is provided with a limiting portion 21, the screw 24 is used to drive the axial movement of the bead 22, and the inner wall of the screw 24 is provided with a screw for rotating with the bead 22, and the screw 24 The rotation sleeve is set on the outer circumference of the fork 23 , and the middle beam 25 is fixedly sleeved on the outer circumference of the screw 24 .

In this embodiment, when the middle beam core is in normal use, the fork 23 is used as a fixing part to be relatively fixed to the inner bottom 12 in the bottom case, wherein:

In the axial direction, the limiting portion 21 and the elastic claw 121 limit each other;

In the circumferential direction, there are mutually matched positioning ribs 231 between the outer wall of the fork 23 and the inner wall of the inner bottom 12. The positioning ribs 231 can be arranged on the outer wall of the fork 23 and/or the inner wall of the inner bottom 12. Since the positioning ribs 231 extend axially, the positioning ribs 231 can be replaced. It does not affect the insertion and removal of the middle beam core.

When using the packaging tube 100, the outsole 11 rotates relative to the middle beam 25, the outsole 11 drives the fork 23 to rotate, and then drives the beads 22 to move, and the beads 22 are driven by the screw 24 to produce axial movement, and then spin out the paste.

The middle bundle core 20 provided by the present application can replace the packaging tube 100, which has at least one of the following effects. The relative fixing and separation of the inner bottom 12 and the outsole 11 are realized through the positioning structure 13, and the driving member 111 of the outsole 11 acts on the inner bottom. The elastic claw 121 of the The manner in which the tongue 131 and the bayonet 132 cooperate. In addition, the button 114 is used to realize the button 114-type control to separate the core 20 from the bottom shell 10 , and the compression spring 14 is used to provide the driving force for the insole 12 to slide relative to the outsole 11 .

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification. When the technical features of different embodiments are embodied in the same drawing, it can be considered that the drawing also discloses the combination examples of the various embodiments involved.

The above-mentioned embodiments only represent several embodiments of the present application, and the descriptions thereof are relatively specific and detailed, but should not be construed as a limitation on the scope of the patent application. It should be pointed out that for those skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the scope of protection of the patent of the present application shall be subject to the appended claims.

Claims (10)

1. A push-button replaceable packing tube comprising a bottom shell and a central core mounted in the bottom shell, wherein the bottom shell comprises an outer bottom and an inner bottom nested and slidably engaged with each other, wherein the inner bottom has a first working position and a second working position on a sliding path, and a positioning structure is provided between the inner bottom and the outer bottom for mutually engaging and keeping the inner bottom at the corresponding working positions;

the insole is internally provided with an elastic claw, the middle bundling core is detachably inserted into the insole, and the middle bundling core is provided with a limiting part matched with the elastic claw;

the outer sole is provided with a driving piece which is acted with the elastic claw, the elastic claw has a locking state which is clamped with the limiting part under the action of the driving piece and releases an unlocking state of the limiting part, and when the inner sole is switched at different working positions, the driving piece correspondingly acts on the elastic claw to switch the state.

2. The push button replaceable packaging tube of claim 1, wherein the positioning structure comprises:

the clamping tongue is arranged on the inner bottom and extends outwards along the radial direction of the inner bottom;

the bayonet socket, the bayonet socket set up on the outsole and with the bayonet socket cooperatees, the bayonet socket includes first bayonet socket and second bayonet socket, the bayonet socket is in first work position or second work position correspond respectively and block into first bayonet socket or second bayonet socket.

3. The push button replaceable packaging tube of claim 2, wherein the outsole comprises:

the inner bottom is slidably mounted in the middle sleeve, and the first bayonet and the second bayonet are both arranged on the middle sleeve;

and a button abutting against the clamping tongue is further embedded on the outer sleeve, and the clamping tongue is separated from the bayonet where the clamping tongue is located under the action of the button.

4. The push button replaceable packing tube of claim 3, wherein the outer sleeve defines a button mounting opening, and the middle sleeve defines a button retaining opening; the button includes:

the button body can be radially and floatingly embedded in the button mounting opening;

the pin is fixed on the button body and is overlapped on the edge of the button mounting opening;

the limiting clamping hook is fixed on the inner wall of the button body and matched with the button limiting opening;

and the extrusion salient points are fixed on the inner wall of the button body and are abutted against the clamping tongues.

5. A push button replaceable packing tube according to claim 1, wherein said inner bottom is cup-shaped with a through hole in the bottom portion of the cup, said resilient fingers being distributed around said through hole;

the driving piece is columnar and extends into the inner bottom through the through hole, and radially abuts against the elastic claw;

the elastic clamping jaws axially move relative to the driving piece, and the elastic clamping jaws radially swing to switch states.

6. The push button replaceable package tube of claim 5, wherein the inner bottom and outer bottom are further provided with a compression spring for driving the inner bottom into the second operating position.

7. The push button replaceable packaging tube of claim 6, wherein the resilient fingers include a heel portion and a finger head;

when the claw head is in the first working position, the root part and the claw head are radially abutted against the driving piece to push the claw head to expand outwards to enter a locking state;

when the claw head is in the second working position, the claw head is separated from the driving piece, and the claw head elastically and radially contracts and enters an unlocking state.

8. A push button replaceable packaging tube as defined in claim 1, wherein said resilient jaws are 2-4, each resilient jaw being distributed around and abutting against an outer wall of said driving member.

9. A push button replaceable packaging tube as defined in claim 1, wherein the retention feature comprises:

the elastic clamping jaw is arranged in the middle binding core, the jack is arranged at the bottom of the middle binding core, the inner wall of the jack is provided with a limiting step, and the elastic clamping jaw extends into the jack and is overlapped on the limiting step in a locking state.

10. The push button replaceable packaging tube of claim 1, wherein the core bundle comprises, in order from inside to outside:

beads for carrying a paste;

a fork rotatably limiting the inner bottom and used for accommodating and guiding the axial movement of the beads;

the spiral is rotatably sleeved on the periphery of the fork and used for driving the beads to move axially;

the middle beam is fixedly sleeved on the periphery of the spiral;

the limiting part is arranged at the bottom of the fork.

Images