CN210279488U - Tea impurity removing equipment - Google Patents

Abstract

The utility model discloses a tealeaves removes miscellaneous equipment belongs to tea processing technology field, including the edulcoration case, break up the subassembly, deironing subassembly, remove miscellaneous subassembly and feeding case, break up the subassembly and break up part, vibrations part and filtration grid including stirring, stir and break up the part setting in the top of deironing subassembly, vibrations part is equipped with the link including rack, two support rails and two mount pads on the rack, and the top of link is equipped with strikes the piece, is equipped with the spout that supplies the link to pass through on the feeding case, two be equipped with the axis of rotation between the mount pad, the cover is equipped with drive gear in the axis of rotation. The utility model discloses a deironing subassembly can make the iron absorption strip adsorb the iron fillings that mix in to tealeaves, can carry out effectual deironing operation to tealeaves, has improved the security that tealeaves was drunk to can realize breaking up the operation to the tealeaves of conglobation through breaking up the subassembly, improve the edulcoration efficiency to tealeaves.

Description

Tea impurity removing equipment

Technical Field

The utility model belongs to the technical field of the tea processing technique and specifically relates to a tealeaves removes miscellaneous equipment is related to.

Background

Tea leaves are various, the required time and temperature for green storage of each kind of tea leaves are different, the green storage of various kinds of tea leaves can not be met mostly by the prior art, the tea leaves are taken as popular drinks, the color and the fragrance of the tea leaves are approved by consumers, but in the processing process, the tea leaves can be mixed with a large amount of dust and impurities to influence the quality of the tea leaves, the crushing condition of the tea leaves can be generated in the transportation and processing processes, a large amount of tea dust can be mixed in the processed finished products, and the quality of the products is required to be screened again to ensure the product quality. The existing workshop for frying tea mostly adopts a manual operation mode when tea dust and impurities are removed, the manual removal mode is low in separation efficiency, and the separation quality of tea cannot be guaranteed.

The utility model with the publication number of CN206390159U relates to an impurity-removing tea processing device, which comprises a shell, a support frame, a first tea screen, a first vibrator, a second tea screen and a second vibrator, wherein the bottom of the shell is provided with a waste outlet, the upper end of the shell is provided with a tea inlet, and the inner side of the shell is provided with a rolling shaft corresponding to the lower part of the tea inlet; the supporting frame is arranged at the lower end of the shell; the first tea screen is obliquely arranged below the inner part of the shell; a first tea outlet is formed in the side wall of the shell corresponding to the bottom end of the first tea screen; the first vibrator is arranged at the lower end of the first tea screen; the second tea screen is obliquely arranged above the first tea screen, and a second tea outlet is arranged at the bottom end of the second tea screen; the second vibrator is arranged at the lower end of the second tea screen. Compared with the prior art, the utility model discloses a promote the separation efficiency, reduce the operation degree of difficulty, promote separation quality.

However, the above-mentioned devices also have the following problems in use: above-mentioned device does not possess the function of automatic deironing, has influenced the security that tealeaves was drunk, needs artifical manual deironing operation once more to tealeaves is easy to be conglobate in the course of working, is difficult for processing, need effectively break up tealeaves, and above-mentioned device is difficult to break up tealeaves, needs improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tealeaves removes miscellaneous equipment to can carry out the deironing automatically and effectively break up the technical problem to tealeaves among the solution prior art.

The utility model provides tea impurity removing equipment, which comprises an impurity removing box, a scattering component, an iron removing component, an impurity removing component and a feeding box arranged at the top of the impurity removing box, wherein the scattering component and the impurity removing component are both arranged inside the impurity removing box, the scattering component is arranged above the impurity removing component, the top of the feeding box is provided with a leakage-proof cover, the scattering component comprises a stirring scattering component, a vibration component and a filtering grid horizontally arranged inside the feeding box, the stirring scattering component is arranged above the iron removing component, the vibration component is arranged at the side of the feeding box, the vibration component comprises a vertically arranged rack, two supporting rails and two mounting seats arranged at intervals, the rack is provided with a connecting frame, the top of the connecting frame is provided with a knocking block, the feeding box is provided with a sliding chute for the connecting frame to pass through, and two rotating shafts rotationally connected with the rack and the mounting seats are arranged between the mounting seats, the rotating shaft is sleeved with a transmission gear meshed with the rack, the rack is arranged between the two supporting tracks, and the rack is in sliding fit with the two supporting tracks.

Further, the below of filtering grid is equipped with four backup pads that are the matrix distribution, every the top of backup pad all is equipped with vibrations spring, the both ends of vibrations spring are contradicted respectively in the top of backup pad and filtering grid's bottom.

Further, stir the connecting axle of breaing up the part including driving motor and vertical setting at edulcoration case top, the cover is equipped with the strip of breaing up on the connecting axle, the both sides of breaking up the strip all are equipped with the stirring piece that a plurality of set up along the strip length direction interval of breaing up, the tip cover of axis of rotation is equipped with first bevel gear, the tip cover of connecting axle is equipped with the second bevel gear with first bevel gear meshing, driving motor's the output and the end fixed connection of axis of rotation.

Further, the deironing subassembly sets up the rotation axis on the edulcoration case, every including two levels all the cover is equipped with the installation section of thick bamboo on the rotation axis, the parcel has the sponge that absorbs water, every on the installation section of thick bamboo all be equipped with a plurality of and inhale the ironbar on the installation section of thick bamboo, it is made by the magnetism material to inhale the ironbar.

Further, the deironing subassembly is still including motor cabinet and the rotating electrical machines of setting at the motor cabinet top, the motor cabinet sets up on the lateral wall of edulcoration case, rotating electrical machines's output and one of them the tip of rotation axis passes through the coupling joint, one the tip cover of rotation axis is equipped with first gear, another the tip cover of rotation axis is equipped with the second gear, first gear and second gear meshing.

Further, remove the screening board that miscellaneous subassembly set up including shock dynamo, level and four and be the matrix distribution and hold the carrier seat in the screening board below, be equipped with the screening hole on the screening board, every the top of holding the carrier seat all is equipped with expanding spring, expanding spring's both ends are contradicted respectively in the top of holding the carrier seat and the bottom of screening board, shock dynamo sets up the bottom at the screening board.

Further, the below of edulcoration case is equipped with and connects the workbin, it is uncovered upwards to set up to connect the workbin, the lateral wall of edulcoration case is equipped with the blown down tank, be equipped with in the blown down tank rather than joint complex sealed lid, sealed covering is equipped with the handle.

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

one of the two rotating shafts can rotate slowly when the first gear and the second gear are meshed, so that the iron absorbing strips on the two mounting cylinders can rotate, and each iron absorbing strip can be contacted with different tea leaves and can perform iron absorbing operation.

Secondly, the utility model can realize the operation of scattering the agglomerated tea leaves through the scattering component, which is convenient for the operation of removing impurities and iron from the scattered tea leaves, improves the efficiency of removing impurities from the tea leaves, the driving motor can drive the rotating shaft to rotate back and forth, the rotating shaft can drive the transmission gear to rotate in the rotating process, the transmission gear can drive the rack meshed with the transmission gear to move vertically, the rack can drive the connecting frame and the knocking block to move, the knocking block can knock the filtering grid, the filtering grid can vibrate, the tea leaves on the filtering grid can be shaken down to the inside of the impurity removing box, the tea leaves can be conveniently accumulated above the filtering grid, the filtering grid is used for preventing the tea leaves from directly entering the inside of the impurity removing box through the feeding box at one time, meanwhile, the rotating shaft can drive the transmission gear to rotate in the rotating process, the rack can move back and forth in the vertical direction, the first bevel gear can be driven to rotate by the rotating shaft, the first bevel gear can drive the second bevel gear meshed with the first bevel gear to rotate, the connecting shaft can rotate back and forth left and right, the connecting shaft can drive the scattering strip to swing back and forth left and right, and the scattering strip and the poking piece can scatter falling tea leaves.

Third, the utility model discloses be equipped with and remove the miscellaneous subassembly, remove the miscellaneous subassembly and can realize carrying out effectual vibrations and screening to tealeaves, make the impurity of mixing in the tealeaves can drop to connect the workbin in, the worker opens sealed lid and can take out tealeaves.

Drawings

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

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a first schematic cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is a third schematic sectional view of the present invention.

Reference numerals:

the device comprises an impurity removing box 10, a scattering assembly 20, a driving motor 21, a connecting shaft 22, a scattering strip 23, a stirring sheet 24, a first bevel gear 25, a second bevel gear 26, a scattering component 27, a filtering grid 30, a rotating shaft 31, a mounting barrel 32, an iron absorbing strip 33, a rotating motor 34, an iron removing component 35, a motor base 351, a first gear 352, a second gear 353, an impurity removing assembly 40, a vibrating motor 41, a screening plate 42, a screening hole 43, a bearing base 44, a telescopic spring 45, a feeding box 50, a leakage-proof cover 51, a vibrating component 52, a rack 521, a supporting rail 522, a mounting base 523, a connecting frame 524, a knocking block 525, a sliding groove 526, a rotating shaft 527, a transmission gear 528, a supporting plate 60, a vibrating spring 61, a material receiving box 70, a discharging groove 71, a sealing cover 72 and a handle 73.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the embodiment of the present invention provides a tea leaf impurity removing device, which comprises an impurity removing box 10, a scattering component 20, an iron removing component 35, an impurity removing component 40 and a feeding box 50 disposed at the top of the impurity removing box 10, wherein the scattering component 20 and the impurity removing component 40 are both disposed inside the impurity removing box 10, the scattering component 20 is disposed above the impurity removing component 40, the top of the feeding box 50 is provided with a leakage-proof cover 51, the scattering component 20 comprises a stirring scattering component 27, a vibration component 52 and a filtering grid 30 horizontally disposed inside the feeding box 50, the stirring scattering component 27 is disposed above the iron removing component 35, the vibration component 52 is disposed at the side of the feeding box 50, the vibration component 52 comprises a vertically disposed rack 521, two supporting rails 522 and two mounting seats 523 arranged at intervals, the rack 521 is provided with a connecting frame 524, the top of the connecting frame 524 is provided with a knocking block 525, the feeding box 50 is provided with a sliding chute 526 for the connecting frame 524 to pass through, a rotating shaft 527 rotatably connected with the two mounting seats 523 is arranged between the two mounting seats 523, a transmission gear 528 meshed with a rack 521 is sleeved on the rotating shaft 527, the rack 521 is arranged between the two supporting rails 522, and the rack 521 is in sliding fit with the two supporting rails 522; the dispersing assembly 20 can disperse agglomerated tea leaves, so that the dispersing and deironing work of the scattered tea leaves is facilitated, the impurity removing efficiency of the tea leaves is improved, the iron absorbing strips 33 can absorb iron filings mixed in the tea leaves through the deironing assembly 35, the deironing work of the tea leaves can be effectively performed, the drinking safety of the tea leaves is improved, the impurity removing assembly 40 can effectively vibrate and screen the tea leaves, the impurities mixed in the tea leaves can fall into the material receiving box 70, a worker can take out the tea leaves by opening the sealing cover 72, the mounting seat 523 is used for mounting the rotating shaft 527, the driving motor 21 can rotate the rotating shaft 527 through working, the rotating shaft 527 can drive the transmission gear 528 to rotate in the rotating process, the transmission gear 528 can drive the rack 521 meshed with the transmission gear 528 to vertically move, and the rack 521 can drive the connecting frame 524 and the knocking block 525 to move, the messenger strikes piece 525 and can strike the operation to filtering grid 30, makes filtering grid 30 can shake, makes the tealeaves that is located on filtering grid 30 can shake the inside that falls to edulcoration case 10, is convenient for pile up the top at filtering grid 30 to tealeaves, and filtering grid 30 is used for avoiding tealeaves once only directly to enter into the inside to edulcoration case 10 through feeding case 50, and makes and removes miscellaneous subassembly 40 and deironing subassembly 35 and be difficult to effectual to tealeaves to be handled.

Specifically, four support plates 60 distributed in a matrix are arranged below the filter grille 30, a vibration spring 61 is arranged at the top of each support plate 60, and two ends of each vibration spring 61 respectively abut against the top of each support plate 60 and the bottom of the filter grille 30; the vibration spring 61 is used to support the filter grill 30 so that the filter grill 30 can be vibrated by the striking block 525.

Specifically, the scattering component comprises a driving motor 21 and a connecting shaft 22 vertically arranged at the top of the impurity removing box 10, the connecting shaft 22 is sleeved with a scattering bar 23, two sides of the scattering bar 23 are respectively provided with a plurality of stirring blades 24 arranged at intervals along the length direction of the scattering bar 23, the end of the rotating shaft 527 is sleeved with a first bevel gear 25, the end of the connecting shaft 22 is sleeved with a second bevel gear 26 meshed with the first bevel gear 25, and the output end of the driving motor 21 is fixedly connected with the end of the rotating shaft 527; the driving motor 21 works to enable the rotating shaft 527 to rotate left and right back and forth, the rotating shaft 527 can drive the transmission gear 528 to rotate in the rotating process, the rack 521 can move back and forth in the vertical direction, the rotating shaft 527 can also enable the first bevel gear 25 to rotate, the first bevel gear 25 can drive the second bevel gear 26 meshed with the first bevel gear to rotate, the connecting shaft 22 can rotate left and right back and forth, the connecting shaft 22 can drive the scattering strip 23 to swing left and right back and forth, and the scattering strip 23 and the shifting piece 24 can scatter falling tea leaves.

Specifically, the iron removing assembly 35 comprises two rotating shafts 31 horizontally arranged on the impurity removing box 10, each rotating shaft 31 is sleeved with a mounting cylinder 32, the mounting cylinders 32 are wrapped with water-absorbing sponge, each mounting cylinder 32 is provided with a plurality of iron absorbing strips 33, and the iron absorbing strips 33 are made of magnetic materials; the sponge that absorbs water of parcel can absorb water to the moisture in the tealeaves on the installation section of thick bamboo 32, and iron absorption strip 33 adsorbs the iron fillings that mix in the tealeaves, can carry out effectual deironing operation to tealeaves.

Specifically, the deironing assembly 35 further comprises a motor base 351 and a rotating motor 34 arranged at the top of the motor base 351, wherein the motor base 351 is arranged on the side wall of the impurity removing box 10, the output end of the rotating motor 34 is connected with the end of one of the rotating shafts 31 through a coupling, the end of one of the rotating shafts 31 is sleeved with a first gear 352, the end of the other rotating shaft 31 is sleeved with a second gear 353, and the first gear 352 is meshed with the second gear 353; the rotating motor 34 is operated to drive one of the rotating shafts 31 to rotate, and the first gear 352 and the second gear 353 are meshed to enable the two rotating shafts 31 to simultaneously rotate slowly, so that the iron absorbing strips 33 on the two mounting cylinders 32 can rotate, and each iron absorbing strip 33 can be in contact with different tea leaves.

Specifically, the impurity removing assembly 40 comprises a vibration motor 41, a screening plate 42 arranged horizontally and four bearing seats 44 distributed below the screening plate 42 in a matrix manner, screening holes 43 are formed in the screening plate 42, an extension spring 45 is arranged at the top of each bearing seat 44, two ends of each extension spring 45 respectively abut against the top of each bearing seat 44 and the bottom of each screening plate 42, and the vibration motor 41 is arranged at the bottom of each screening plate 42; the vibration motor 41 can vibrate the screening plate 42 during operation, so that the screening plate 42 can drive the tea leaves on the screening plate 42 to vibrate, and impurities mixed in the tea leaves can fall into the material receiving box 70 through the screening holes 43.

Specifically, a material receiving box 70 is arranged below the impurity removing box 10, the material receiving box 70 is arranged with an opening upwards, a discharge groove 71 is arranged on the side wall of the impurity removing box 10, a sealing cover 72 in clamping fit with the discharge groove 71 is arranged in the discharge groove 71, and a handle 73 is arranged on the sealing cover 72; the worker can take out the sealing cover 72 by the handle 73, so that the worker can take out the tea leaves through the discharging groove 71.

The utility model discloses a theory of operation: a worker can take out tea leaves by opening the sealing cover 72, the dispersing assembly 20 can disperse clustered tea leaves, the impurity removal and iron removal work of the scattered tea leaves is facilitated, the impurity removal efficiency of the tea leaves is improved, the iron absorbing strips 33 can absorb iron filings mixed in the tea leaves through the iron removal assembly 35, the iron removal work of the tea leaves can be effectively performed, the drinking safety of the tea leaves is improved, the rotating shaft 527 can be rotated by the driving motor 21, the rotating shaft 527 can drive the transmission gear 528 to rotate in the rotating process, the transmission gear 528 can drive the rack 521 meshed with the transmission gear 528 to vertically move, the rack 521 can move back and forth in the vertical direction, the knocking block 525 can knock the filtering grid 30, the filtering grid 30 can vibrate, the tea leaves on the filtering grid 30 can vibrate to fall into the impurity removal box 10, the tea leaves are conveniently accumulated above the filter grating 30, the filter grating 30 is used for preventing the tea leaves from directly entering the impurity removing box 10 through the feeding box 50 at one time, so that the impurity removing assembly 40 and the iron removing assembly 35 are difficult to effectively treat the tea leaves, meanwhile, the rotating shaft 527 can also enable the first bevel gear 25 to rotate, the first bevel gear 25 can drive the second bevel gear 26 meshed with the first bevel gear to rotate, the connecting shaft 22 can rotate back and forth left and right, the connecting shaft 22 can drive the scattering bar 23 to swing back and forth left and right, the scattering bar 23 and the poking piece 24 can scatter the fallen tea leaves, the rotating motor 34 can drive one rotating shaft 31 to rotate, under the meshing of the first gear 352 and the second gear 353, the two rotating shafts 31 can slowly rotate at the same time, and the iron absorbing bars 33 on the two mounting cylinders 32 can rotate, make each inhale iron bar 33 homoenergetic and contact with different tealeaves, remove miscellaneous subassembly 40 and can realize carrying out effectual vibrations and screening to tealeaves, make the impurity of mixing in the tealeaves can drop to connect in the workbin 70, vibrating motor 41 work can make screening plate 42 take place vibrations, make screening plate 42 can drive the tealeaves on the screening plate 42 and shake, the impurity that mixes in the messenger tealeaves can fall into to connect in the workbin 70 through screening hole 43, the worker can take out sealed lid 72 through handle 73, make the worker can take out tealeaves through blown down tank 71.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (7)

1. The utility model provides a tealeaves removes miscellaneous equipment, a serial communication port, including edulcoration case (10), break up subassembly (20), deironing subassembly (35), remove miscellaneous subassembly (40) and set up feeding case (50) at edulcoration case (10) top, break up subassembly (20) and remove miscellaneous subassembly (40) and all set up in the inside of edulcoration case (10), and break up subassembly (20) and set up in the top of removing miscellaneous subassembly (40), the top of feeding case (50) is equipped with leak protection cover (51), break up subassembly (20) including stir break up part (27), vibrations part (52) and the level setting filter grid (30) inside feeding case (50), stir and break up the top that part (27) set up in deironing subassembly (35), vibrations part (52) set up in feeding case (50), parts (52) including rack (521) the side of vertical vibrations, Two support mount pad (523) that track (522) and two intervals set up, be equipped with link (524) on rack (521), the top of link (524) is equipped with strikes piece (525), be equipped with spout (526) that supply link (524) to pass through on feeding case (50), two be equipped with between mount pad (523) and rotate axis of rotation (527) of being connected with both, the cover is equipped with drive gear (528) with rack (521) meshing on axis of rotation (527), rack (521) set up between two support tracks (522), and rack (521) and two support tracks (522) sliding fit.

2. The tea impurity removing device as claimed in claim 1, wherein four support plates (60) are arranged below the filter grid (30) in a matrix distribution, a vibration spring (61) is arranged at the top of each support plate (60), and two ends of each vibration spring (61) respectively abut against the top of each support plate (60) and the bottom of the filter grid (30).

3. The tea impurity removing device as claimed in claim 1, wherein the poking and scattering component (27) comprises a driving motor (21) and a connecting shaft (22) vertically arranged at the top of the impurity removing box (10), the connecting shaft (22) is sleeved with a scattering bar (23), a plurality of poking pieces (24) arranged at intervals along the length direction of the scattering bar (23) are arranged on two sides of the scattering bar (23), a first bevel gear (25) is sleeved at the end of the rotating shaft (527), a second bevel gear (26) meshed with the first bevel gear (25) is sleeved at the end of the connecting shaft (22), and the output end of the driving motor (21) is fixedly connected with the end of the rotating shaft (527).

4. The tea impurity removing equipment according to claim 1, wherein the iron removing assembly (35) comprises two rotating shafts (31) horizontally arranged on the impurity removing box (10), each rotating shaft (31) is sleeved with an installation cylinder (32), the installation cylinder (32) is wrapped with water absorbing sponge, each installation cylinder (32) is provided with a plurality of iron absorbing strips (33), and the iron absorbing strips (33) are made of magnetic materials.

5. The tea impurity removing equipment as claimed in claim 4, wherein the iron removing assembly (35) further comprises a motor base (351) and a rotating motor (34) arranged at the top of the motor base (351), the motor base (351) is arranged on the side wall of the impurity removing box (10), the output end of the rotating motor (34) is connected with the end of one of the rotating shafts (31) through a coupler, the end of one of the rotating shafts (31) is sleeved with a first gear (352), the end of the other rotating shaft (31) is sleeved with a second gear (353), and the first gear (352) is meshed with the second gear (353).

6. Impurity equipment is removed to tealeaves according to claim 1, characterized in that, remove miscellaneous subassembly (40) including shock dynamo (41), the screening board (42) of level setting and four and be the matrix distribution and bear seat (44) in screening board (42) below, be equipped with screening hole (43) on screening board (42), every bear the top of seat (44) and all be equipped with expanding spring (45), the both ends of expanding spring (45) are contradicted respectively and are being born the top of seat (44) and the bottom of screening board (42), shock dynamo (41) set up the bottom at screening board (42).

7. The tea impurity removing equipment according to claim 1, wherein a material receiving box (70) is arranged below the impurity removing box (10), an opening of the material receiving box (70) is arranged upwards, a discharge groove (71) is arranged on the side wall of the impurity removing box (10), a sealing cover (72) which is matched with the discharge groove in a clamping mode is arranged in the discharge groove (71), and a handle (73) is arranged on the sealing cover (72).

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