CN113525882A

CN113525882A - Packing box capable of storing multiple tea leaves

Info

Publication number: CN113525882A
Application number: CN202110636934.4A
Authority: CN
Inventors: 林学振
Original assignee: Xiamen Niqing Textile Co ltd
Current assignee: Xiamen Niqing Textile Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-10-22

Abstract

The invention discloses a packaging box capable of storing a plurality of tea leaves, which comprises a casing, wherein a storage cavity is arranged in the casing, a control cavity is arranged in the lower end wall of the storage cavity, a power cavity is arranged in the lower end wall of the control cavity, a driving cavity is arranged in the lower end wall of the power cavity, a control cavity is arranged in the lower end wall of the driving cavity, a dropping cavity is arranged in the lower end wall of the control cavity, a fetching cavity is arranged in the lower end wall of the dropping cavity, a tea placing disc is arranged on the upper side of the casing, a tea placing cavity is arranged in the tea placing disc, a communicating cavity capable of communicating the tea placing cavity with different compartments in the storage cavity is arranged in the tea placing disc, the tea placing disc can rotate so as to adjust the communication with different storage cavities, so that different kinds of tea leaves are placed, a sensor is arranged in the lower end wall of the storage cavity, and can detect the weight of the tea leaves in the different compartments in the storage cavity, so as to adjust the sizes of different compartments of the storage cavity.

Description

Packing box capable of storing multiple tea leaves

Technical Field

The invention relates to the technical field of tea, in particular to a packaging box capable of storing various kinds of tea.

Background

Tea generally adopts metal or wooden box body to pack, simultaneously, in order to strengthen the sealing performance of box body, prevents that tealeaves from deliquescing and rotting, the box body is inside still to have one deck bag form inner bag generally, this kind of tealeaves packing carton is all very inconvenient when getting and put tealeaves, and the user at first need open the upper cover of box body, then struts the sack of the internal bag body, and reuse hand directly snatchs tealeaves and puts into the cup, this process complex operation to a box can only adorn tealeaves.

Disclosure of Invention

In order to solve the problems, the packaging box capable of storing a plurality of tea leaves is designed, and comprises a casing, wherein a storage cavity is arranged in the casing, a control cavity is arranged in the lower end wall of the storage cavity, a power cavity is arranged in the lower end wall of the control cavity, a driving cavity is arranged in the lower end wall of the power cavity, a control cavity is arranged in the lower end wall of the driving cavity, a dropping cavity is arranged in the lower end wall of the control cavity, a fetching cavity is arranged in the lower end wall of the dropping cavity, a rotating cavity is arranged in the rear end wall of the dropping cavity, a tea placing disc is arranged on the upper side of the casing, a storage mechanism, a control mechanism and a power mechanism are arranged in the casing, the storage mechanism comprises a tea placing cavity arranged in the tea placing disc, tea leaves can be placed in the tea placing cavity, and a communicating cavity capable of communicating the tea placing cavity with different compartments in the storage cavity is arranged in the tea placing disc, put the tea tray and can rotate to the adjustment is with the difference deposit chamber UNICOM to put into different kind tealeaves, control mechanism includes deposit the sensor that is equipped with in the chamber lower extreme wall, the sensor can detect deposit the weight of the interior tealeaves of the different compartments in chamber, thereby go on rightly deposit the size of the different compartments in chamber and adjust, thereby make the difference deposit the different compartment sizes in chamber and change, can put into the tealeaves of different weight, power unit includes power chamber lower extreme wall fixed connection's power motor, power motor can drive put the tea tray and rotate, provide power.

Preferably, the power mechanism comprises a power shaft which is in power connection with the power motor, the tea tray is fixedly connected to the upper end of the power shaft, a driving motor is fixedly connected to the upper end wall of the driving cavity, the driving motor is in power connection with a driving shaft, a control panel is connected in the control cavity in a sliding manner, a control spring is arranged between the control panel and the lower end wall of the control cavity in a connecting manner, an electromagnet is fixedly connected to the upper end wall of the control cavity, the upper end of the control panel is rotatably connected with a lifting friction wheel which is slidably connected to the driving shaft through two connecting pins, the lower end wall of the driving cavity is rotatably connected with two intermediate shafts, the upper ends of the intermediate shafts are located in the power cavity, the intermediate shafts at the front side are fixedly connected with a first friction wheel which can be meshed with the lifting friction wheel, and the intermediate shafts at the rear side are fixedly connected with a second friction wheel which can be meshed with the lifting friction wheel and is located on the lower side of the first friction wheel, jackshaft upper end fixedly connected with intermediate gear, the arc wall of symmetry around being equipped with two in the power chamber lower extreme wall, the power chamber rotate through the arc wall be connected with power shaft rotates first arc gear and the second arc gear of connecting, the first connecting block of first arc gear up end fixedly connected with, first connecting block fixedly connected with sliding connection in deposit the first rotor plate in chamber, second arc gear up end fixedly connected with second connecting block, second connecting block fixedly connected with sliding connection in deposit the second rotor plate in chamber, deposit chamber fixedly connected with rotate connect in two fixed plates of power shaft, two the fixed plate with the second rotor plate and first rotor plate will it divide into four chambers to deposit the chamber.

Preferably, control mechanism includes it rotates the chamber rear end wall and connects and the front end is located external sealed axle, sealed axle runs through the chamber that drops, sealed axle is located the chamber one end that drops is equipped with semicircular groove, rotate the chamber rear end with rotate chamber fixedly connected with rotation spring, terminal surface fixedly connected with handle before the sealed axle, be equipped with fixed connection in the control intracavity in the control disc of power shaft, control disc left end is equipped with the spacing groove, four evenly distributed's of control chamber upper and lower end wall fixedly connected with stop block plate, it is close to deposit the chamber the fixed plate lower extreme with the chamber UNICOM that drops, sliding connection has in the control intracavity can with the fixed plate with the chamber UNICOM passageway that drops separates blocks, block the piece with the stop plate is connected and is equipped with and blocks the spring, block the piece be close to power shaft one terminal surface fixedly connected with the other end with sealed axle fixed connection's haulage rope.

Preferably, the storage mechanism includes deposit four evenly distributed's that are equipped with in the chamber upper end wall coiling chamber, the coiling chamber is kept away from be equipped with in the power shaft end wall and run through the sealed chamber in UNICOM's chamber, sealed intracavity sliding connection have can with UNICOM's chamber confined sealed piece, sealed piece with sealed chamber is connected and is equipped with sealing spring, it is equipped with the restriction chamber to put tea tray, the end wall rotates under the axis of rotation and is connected with the upper end and is located the axis of rotation of restriction intracavity, the axis of rotation lower extreme with coiling rope fixed connection, axis of rotation upper end fixedly connected with is located the rolling gear of restriction intracavity, restriction intracavity end wall fixedly connected with can with rolling gear meshing's arc rack.

Preferably, the electro-magnet starts and can repeals the control panel to drive lift friction pulley with the meshing of second friction pulley, first arc gear with second arc gear all can only forward or reverse rotation quarter round, it is equipped with the indicateing arm on the tea tray to put, thereby can conveniently distinguish with deposit which compartment UNICOM in chamber, the haulage rope has elasticity.

The invention has the beneficial effects that: the tea placing tray capable of placing tea is arranged, so that the tea can be placed for storage under the condition that a cover of the box body is not opened, meanwhile, the tea placing tray is provided with the mark, a person can remember what tea is placed in which compartment, and therefore the tea can be conveniently taken out, and the box body is not required to be opened, so that the sealing performance is good, and the conditions of tainting of odor, humidity and the like are not easy to occur;

the invention can automatically adjust the size of the compartment according to the quantity of the tea leaves, thereby being convenient for the requirement of storing a plurality of tea leaves with different quantities.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a perspective view of a packing box of the present invention capable of storing a plurality of kinds of tea leaves;

FIG. 2 is a schematic view of the internal structure of the packing box of the present invention for storing a plurality of kinds of tea leaves;

FIG. 3 is a schematic diagram of the structure at A-A in FIG. 2 according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram at B-B in FIG. 3 according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram at C-C in FIG. 4 according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram at D-D in FIG. 2 according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of the structure at E-E in FIG. 2 according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram at F-F in FIG. 2 according to an embodiment of the present invention;

FIG. 9 is an enlarged view of the structure at G in FIG. 2 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-9, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a packaging box capable of storing a plurality of tea leaves, which comprises a machine shell 10, wherein a storage cavity 18 is arranged in the machine shell 10, a control cavity 22 is arranged in the lower end wall of the storage cavity 18, a power cavity 27 is arranged in the lower end wall of the control cavity 22, a driving cavity 30 is arranged in the lower end wall of the power cavity 27, a control cavity 31 is arranged in the lower end wall of the driving cavity 30, a dropping cavity 33 is arranged in the lower end wall of the control cavity 31, an object taking cavity 35 is arranged in the lower end wall of the dropping cavity 33, a rotating cavity 53 is arranged in the rear end wall of the dropping cavity 33, a tea placing tray 20 is arranged on the upper side of the machine shell 10, a storage mechanism 70, a control mechanism 71 and a power mechanism 72 are arranged in the machine shell 10, the storage mechanism 70 comprises a tea placing cavity 21 arranged in the tea placing tray 20, the tea placing cavity 21 can be placed with the tea leaves, a partition 59 capable of communicating the tea placing cavity 21 with different partitions in the storage cavity 18 is arranged in the tea placing tray 20, put tea tray 20 and can rotate to the adjustment is with the difference deposit chamber 18 UNICOM to put into different kind tealeaves, control mechanism 71 includes deposit the sensor 42 that is equipped with in the chamber 18 lower extreme wall, sensor 42 can detect deposit the weight of the interior tealeaves of the different compartments of chamber 18, thereby carry out right deposit the size of the different compartments of chamber 18 and adjust, thereby make the difference deposit the different compartments size in chamber 18 and change, can put into the tealeaves of different weight, power unit 72 includes power motor 14 of power chamber 27 lower extreme wall fixed connection, power motor 14 can drive put tea tray 20 and rotate, provide power.

Advantageously, the power mechanism 72 comprises a power shaft 19 which is in power connection with the power motor 14, the tea tray 20 is fixedly connected to the upper end of the power shaft 19, a driving motor 28 is fixedly connected to the upper end wall of the driving cavity 30, a driving shaft 29 is in power connection with the driving motor 28, a control plate 11 is slidably connected in the control cavity 31, a control spring 32 is arranged on the lower end wall of the control plate 11 and the lower end wall of the control cavity 31, an electromagnet 12 is fixedly connected to the upper end wall of the control cavity 31, a lifting friction wheel 13 which is slidably connected to the driving shaft 29 is rotatably connected to the upper end of the control plate 11 through two connecting pins 48, two intermediate shafts 40 whose upper ends are located in the power cavity 27 are rotatably connected to the lower end wall of the driving cavity 30, and a first friction wheel 39 which can be engaged with the lifting friction wheel 13 is fixedly connected to the front intermediate shaft 40, the rear intermediate shaft 40 is fixedly connected with a second friction wheel 46 which can be engaged with the lifting friction wheel 13 and is positioned on the lower side of the first friction wheel 39, the upper end of the intermediate shaft 40 is fixedly connected with an intermediate gear 41, the lower end wall of the power cavity 27 is provided with two arc-shaped grooves which are symmetrical front and back, the power cavity 27 is rotatably connected with a first arc-shaped gear 51 and a second arc-shaped gear 50 which are rotatably connected with the power shaft 19 through the arc-shaped grooves, the upper end surface of the first arc-shaped gear 51 is fixedly connected with a first connecting block 43, the first connecting block 43 is fixedly connected with a first rotating plate 36 which is slidably connected with the storage cavity 18, the upper end surface of the second arc-shaped gear 50 is fixedly connected with a second connecting block 45, the second connecting block 45 is fixedly connected with a second rotating plate 37 which is slidably connected with the storage cavity 18, the storage cavity 18 is fixedly connected with two fixing plates 38 which are rotatably connected with the power shaft 19, the two fixed plates 38 and the second rotating plate 37 and the first rotating plate 36 divide the storage chamber 18 into four chambers.

Beneficially, the control mechanism 71 includes a sealing shaft 34 rotatably connected to the rear end wall of the rotating chamber 53 and having a front end located outside, the sealing shaft 34 penetrates through the dropping chamber 33, a semicircular groove is formed at one end of the sealing shaft 34 located in the dropping chamber 33, a rotating spring 54 is fixedly connected to the rear end of the rotating chamber 53 and the rotating chamber 53, a handle 55 is fixedly connected to the front end surface of the sealing shaft 34, a control disc 23 fixedly connected to the power shaft 19 is arranged in the control chamber 22, a limiting groove 52 is formed at the left end of the control disc 23, four blocking plates 24 are fixedly connected to the upper and lower end walls of the control chamber 22, the storage chamber 18 is communicated with the dropping chamber 33 near the lower end of the fixing plate 38, and a blocking block 15 capable of separating the communication channel between the fixing plate 38 and the dropping chamber 33 is slidably connected to the control chamber 22, the blocking block 15 is connected with the blocking plate 24 and provided with a blocking spring 17, and one end face of the blocking block 15 close to the power shaft 19 is fixedly connected with a traction rope 26, and the other end of the traction rope is fixedly connected with the sealing shaft 34.

Beneficially, the storage mechanism 70 includes four winding cavities 60 uniformly distributed in the upper end wall of the storage cavity 18, a sealing cavity 65 penetrating through the communication cavity 59 is arranged in an end wall of the winding cavity 60 away from the power shaft 19, a sealing block 64 capable of sealing the communication cavity 59 is slidably connected in the sealing cavity 65, a sealing spring 63 is connected to the sealing cavity 64, a limiting cavity 61 is arranged in the tea tray 20, a rotating shaft 56 with an upper end located in the limiting cavity 61 is rotatably connected to a lower end wall of the rotating shaft 56, a lower end of the rotating shaft 56 is fixedly connected to the winding rope 62, a rotating gear 58 located in the limiting cavity 61 is fixedly connected to an upper end of the rotating shaft 56, and an arc-shaped rack 57 capable of meshing with the rotating gear 58 is fixedly connected to an inner end wall of the limiting cavity 61.

Advantageously, the electromagnet 12 is activated to repel the control board 11, so as to drive the lifting friction wheel 13 to mesh with the second friction wheel 46, the first arc-shaped gear 51 and the second arc-shaped gear 50 can only rotate a quarter of a turn in the forward or reverse direction, an indicator is arranged on the tea tray 20, so as to be able to conveniently distinguish which compartment is communicated with the storage cavity 18, and the pulling rope 26 has elasticity.

The use steps herein are described in detail below with reference to fig. 1-9:

in the initial state, the tea placing cavity 21 is communicated with the left storage cavity 18, the electromagnet 12 is not started, the control panel 11 is at the uppermost position, the sealing shaft 34 is at the position for sealing the falling cavity 33, the control spring 32 is at the loosening state, the blocking spring 17 is at the compression state, the first rotating plate 36 and the second rotating plate 37 are vertical to the fixed plate 38, the rotating spring 54 is at the loosening state, the sealing spring 63 is at the compression state, and the arc-shaped rack 57 is about to be disengaged from the left rotating gear 58.

When tea leaves need to be stored, the power motor 14 is started to output power, so that the power shaft 19 is driven to rotate, the tea placing disc 20 is driven to rotate, the arc-shaped rack 57 is driven to rotate, when the tea placing disc 20 rotates until the tea placing cavity 21 can be communicated with a certain compartment of the storage cavity 18, the arc-shaped rack 57 just rotates until the corresponding rotating gear 58 is about to be disengaged, at the moment, the rotating gear 58 rotates to drive the rotating shaft 56 to rotate, so that the winding rope 62 is wound, the sealing block 64 is pulled to move and compress the sealing spring 63, at the moment, the tea placing cavity 21 is communicated with the compartment of the storage cavity 18, at the moment, the tea leaves needing to be stored can be poured into the tea placing cavity 21 manually, and the tea leaves enter the compartment of the storage cavity 18 to be stored;

when the amount of tea leaves stored is excessive, the sensor 42 detects a signal, and determines whether to activate the electromagnet 12 according to the compartment of the storage chamber 18 communicating with the tea discharging chamber 21 at that time, if it is two compartments between the first rotating plate 36 and the fixed plate 38, the electromagnet 12 is not activated, if it is two compartments between the second rotating plate 37 and the fixed plate 38, the electromagnet 12 is activated, so that the control plate 11 and the lifting friction wheel 13 move downward and compress the control spring 32, so that the lifting friction wheel 13 is engaged with the second friction wheel 46, at this time, the driving motor 28 is activated, the driving motor 28 starts output power, so that the driving shaft 29 and the lifting friction wheel 13 are rotated, so that the first friction wheel 39 or the second friction wheel 46 is rotated, so that the intermediate shaft 40 and the intermediate gear 41 are rotated, so that the first arc gear 51 or the second arc gear 50 is rotated, so that the first connecting block 43 or the second connecting block 45 is rotated, thereby driving the first rotating plate 36 or the fixed plate 38 to rotate, so that the compartment of the storage cavity 18 for placing tea at the moment becomes larger, after the tea is placed, the power motor 14 is started to output power, so as to drive the power shaft 19 and the tea placing plate 20 to rotate, so that the tea placing cavity 21 is not communicated with the storage cavity 18, at the moment, the arc-shaped rack 57 is not meshed with the rotating gear 58, under the left and right elasticity of the sealing spring 63, the sealing block 64 moves to seal the communicating cavity 59, so as to complete the storage of the tea, and if different tea needs to be stored, only the power motor 14 needs to be started, so that the different compartments of the storage cavity 18 are communicated with the tea placing cavity 21;

if tea leaves need to be taken out, the power motor 14 is started to output power, so that the power shaft 19 and the control disc 23 are driven to rotate, the control disc 23 rotates to the position that the limiting groove 52 faces to a compartment of the storage cavity 18 for storing the tea leaves needing to be taken out, the blocking block 15 at the lower side of the compartment can move, the handle 55 is manually rotated for half a circle, so that the sealing shaft 34 is driven to rotate for half a circle and the rotating spring 54 is twisted, the sealing shaft 34 rotates for half a circle to enable the dropping cavity 33 to be unsealed, the sealing shaft 34 rotates and simultaneously winds the traction rope 26, so that the blocking block 15 at the lower side of the compartment of the storage cavity 18 for storing the tea leaves needing to be taken out is pulled to move, the tea leaves drop in the fetching cavity 35 through the dropping cavity 33, the tea leaves are taken out, if the residual tea leaves are not too many and can not fall out completely, the electromagnet 12 and the driving motor 28 can be started, so that the first rotating plate 36 or the fixing plate 38 is driven to rotate, thereby ensuring that all the tea leaves can be taken out.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a can store packing carton of multiple tealeaves, includes the casing, its characterized in that: the tea storage cabinet is characterized in that a storage cavity is arranged in the casing, a control cavity is arranged in the lower end wall of the storage cavity, a power cavity is arranged in the lower end wall of the control cavity, a driving cavity is arranged in the lower end wall of the power cavity, a control cavity is arranged in the lower end wall of the driving cavity, a falling cavity is arranged in the lower end wall of the falling cavity, a rotating cavity is arranged in the rear end wall of the falling cavity, a tea tray is arranged on the upper side of the casing, a storage mechanism, a control mechanism and a power mechanism are arranged in the casing, the storage mechanism comprises a tea storage cavity arranged in the tea tray, tea leaves can be placed in the tea storage cavity, a communication cavity capable of being communicated with different compartments in the storage cavity is arranged in the tea tray, the tea tray can rotate, so that the tea trays can be adjusted to be communicated with the different storage cavities to be placed to different kinds of tea leaves, and the control mechanism comprises a sensor arranged in the lower end wall of the storage cavity, the sensor can detect deposit the weight of tealeaves in the different compartments in chamber, thereby carry on rightly deposit the size of the different compartments in chamber and adjust, thereby make the difference deposit the different compartment sizes in chamber and change, can put into the tealeaves of different weight, power unit includes power chamber lower extreme wall fixed connection's power motor, power motor can drive it rotates to put the tea tray, provides power.

2. A package for storing a plurality of tea leaves according to claim 1, wherein: the power mechanism comprises a power shaft which is in power connection with the power motor, the upper end of the power shaft is fixedly connected with the tea tray, the upper end wall of the driving cavity is fixedly connected with a driving motor, the driving motor is in power connection with a driving shaft, the control cavity is internally and slidably connected with a control plate, the control plate is connected with the lower end wall of the control cavity through a control spring, the upper end wall of the control cavity is fixedly connected with an electromagnet, the upper end of the control plate is rotatably connected with a lifting friction wheel which is slidably connected onto the driving shaft through two connecting pins, the lower end wall of the driving cavity is rotatably connected with two intermediate shafts, the upper ends of the intermediate shafts are positioned in the power cavity, the intermediate shafts at the front side are fixedly connected with a first friction wheel which can be meshed with the lifting friction wheel, and the intermediate shafts at the rear side are fixedly connected with a second friction wheel which can be meshed with the lifting friction wheel and is positioned at the lower side of the first friction wheel, jackshaft upper end fixedly connected with intermediate gear, the arc wall of symmetry around being equipped with two in the power chamber lower extreme wall, the power chamber rotate through the arc wall be connected with power shaft rotates first arc gear and the second arc gear of connecting, the first connecting block of first arc gear up end fixedly connected with, first connecting block fixedly connected with sliding connection in deposit the first rotor plate in chamber, second arc gear up end fixedly connected with second connecting block, second connecting block fixedly connected with sliding connection in deposit the second rotor plate in chamber, deposit chamber fixedly connected with rotate connect in two fixed plates of power shaft, two the fixed plate with the second rotor plate and first rotor plate will it divide into four chambers to deposit the chamber.

3. A package for storing a plurality of tea leaves according to claim 2, wherein: the control mechanism comprises a sealing shaft which is rotationally connected with the rear end wall of the rotating cavity and the front end of which is positioned outside, the sealing shaft penetrates through the dropping cavity, a semicircular groove is formed at one end of the sealing shaft, which is positioned in the dropping cavity, the rear end of the rotating cavity and the rotating cavity are fixedly connected with a rotating spring, the front end surface of the sealing shaft is fixedly connected with a handle, a control disc fixedly connected with the power shaft is arranged in the control cavity, a limit groove is arranged at the left end of the control disc, the upper end wall and the lower end wall of the control cavity are fixedly connected with four blocking plates which are uniformly distributed, the storage cavity is close to the lower end of the fixed plate and is communicated with the falling cavity, a blocking block capable of separating the fixed plate from a channel communicated with the dropping cavity is connected in the control cavity in a sliding way, the blocking block is connected with the blocking plate and is provided with a blocking spring, and the blocking block is close to a traction rope fixedly connected with the other end of one end face of the power shaft and the sealing shaft.

4. A package for storing a plurality of tea leaves according to claim 2, wherein: storage mechanism includes deposit four evenly distributed's that are equipped with in the chamber upper end wall coiling chamber, the coiling chamber is kept away from be equipped with in the power shaft end wall and run through the sealed chamber in UNICOM's chamber, sealed intracavity sliding connection have can with UNICOM's chamber confined sealed piece, sealed piece with sealed chamber is connected and is equipped with sealing spring, it is equipped with the restriction chamber in the tea tray to put, the end wall rotates under the axis of rotation and is connected with the upper end and is located the axis of rotation of restriction intracavity, the axis of rotation lower extreme with coiling rope fixed connection, axis of rotation upper end fixedly connected with is located the running gear of restriction intracavity, restriction intracavity end wall fixedly connected with can with running gear meshing's arc rack.