CN107572109B - Dry powder mortar storage device capable of being recycled - Google Patents

Dry powder mortar storage device capable of being recycled Download PDF

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Publication number
CN107572109B
CN107572109B CN201710978949.2A CN201710978949A CN107572109B CN 107572109 B CN107572109 B CN 107572109B CN 201710978949 A CN201710978949 A CN 201710978949A CN 107572109 B CN107572109 B CN 107572109B
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CN
China
Prior art keywords
barrel body
dry powder
storage device
polygonal
barrel
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CN201710978949.2A
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Chinese (zh)
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CN107572109A (en
Inventor
季晓丽
陆致皓
陆海忠
陈荣
李熙
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Shanghai Liyang Road Reinforcement Technology Co ltd
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Shanghai Liyang Road Reinforcement Technology Co ltd
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Priority to CN201710978949.2A priority Critical patent/CN107572109B/en
Publication of CN107572109A publication Critical patent/CN107572109A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/80Packaging reuse or recycling, e.g. of multilayer packaging

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  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

The invention discloses a recyclable dry powder mortar storage device, which comprises a barrel body and two supporting legs used for supporting the barrel body, wherein the barrel body comprises the barrel body and a barrel cover arranged above the barrel body, a rotary support seat used for being connected with the supporting legs is arranged on the side wall of the barrel body, the rotary support seat is provided with an outwards protruding installation part, the supporting legs are provided with installation holes, the installation holes are connected with the installation parts through bearings, and an elastic limiting mechanism used for adjusting the relative angle of the barrel body and the supporting legs and locking positions is arranged between the rotary support seat and the supporting legs. The invention is convenient for recycling and adjusting the angle of the barrel body.

Description

Dry powder mortar storage device capable of being recycled
Technical Field
The invention relates to the field of storage devices of building materials, in particular to a recyclable dry powder mortar storage device.
Background
As a novel green energy-saving building material, the dry powder mortar has the advantages of improving the construction efficiency of the building engineering, improving the construction site environment and the like. The production and application of the dry powder mortar are more and more widespread nowadays, and the quality of the dry powder mortar material is a key for influencing the construction quality of the whole engineering. At present, dry powder mortar is generally stored and transported in a bag mode. The adoption of the bagging mode has the following defects: 1. the packaging bag is a disposable article, becomes garbage after one-time use, cannot be recycled, wastes resources and is unfavorable for sustainable development; 2. a great deal of labor is consumed for carrying, unpacking and feeding; 3. the moistureproof effect is not ideal, and the performance of the dry powder mortar is greatly reduced after the dry powder mortar is wetted.
Disclosure of Invention
The invention aims to solve the technical problem of providing a recyclable dry powder mortar storage device which can be reused conveniently and can adjust the angle of a barrel body conveniently on the premise of avoiding consuming a large amount of labor force.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a dry powder mortar storage device of circulated use, includes staving and two is used for supporting the landing leg of staving, the staving include the staving with set up in the bung of staving top, the lateral wall of staving be provided with be used for with the rotatory support that the landing leg is connected, rotatory support has the installation department of outwards protruding, be provided with the mounting hole on the landing leg, the mounting hole pass through the bearing with the installation department is connected, rotatory support with be provided with between the landing leg and be used for adjusting the staving with the relative angle of landing leg and locking position's elasticity stop gear.
As a preferable scheme, a barrel top is arranged between the barrel body and the barrel cover, and sealing gaskets are arranged between the barrel body and the barrel top and between the barrel cover and the barrel top.
Preferably, the mounting hole is a stepped hole, the diameter of a first section close to one side of the barrel body is smaller than that of a second section far away from one side of the barrel body, and the bearing is mounted on the first section.
As a preferred scheme, the rotary support is also provided with an inwards extending accommodating area, the elastic limiting mechanism comprises a limiting bolt, a limiting flange, a dowel steel, a spring and a baffle plate, the limiting flange is fixed on the second section of the mounting hole, and the limiting flange is provided with a polygonal concave surface; the section of the force transmission rod is T-shaped, the rod end of the force transmission rod is fixed in the accommodating area, and the rod body of the force transmission rod extends outwards to the polygonal concave surface and is provided with a release stopping sheet; the limit bolt is provided with a polygonal end part matched with the polygonal concave surface, the limit bolt is further provided with a polygonal pin body which extends from the polygonal end part and is matched with the central through hole of the dowel bar, the polygonal pin body sequentially penetrates through the limit flange, the dowel bar and the accommodating area, the baffle is arranged at the tail end of the polygonal pin body, and the spring is sleeved on the polygonal pin body and exerts elastic tension towards the inner side of the barrel body on the limit bolt.
Preferably, a pull ring is arranged on the polygonal end part.
As a preferable scheme, the barrel body is polygonal, the number of the supporting legs is two symmetrically, and two universal pulleys are arranged at the bottoms of the supporting legs.
As a preferable scheme, the outer wall of the barrel body is symmetrically provided with two handles.
As the preferred scheme, the outer wall symmetry of ladle body is provided with fork truck and uses the slot, the slot extends along the horizontal direction, the upper portion and the lower part of slot all are provided with the strengthening rib.
As a preferable scheme, the outer wall of the barrel body is provided with a visible groove, and scale marks are arranged on the visible groove.
As the preferential scheme, the outer wall of ladle body is provided with the nameplate frame, the nameplate frame including be fixed in nameplate frame on the ladle body and set up in toughened glass on the nameplate frame, the opening of nameplate frame is down, the opening is provided with soft magnetic stripe.
The recyclable dry powder mortar storage device has the following beneficial effects: the barrel body is adopted instead of the packaging bag, and the recycling can be facilitated. The elastic limiting mechanism is arranged, and the relative angle between the barrel body and the supporting leg is adjusted by operating the elastic limiting mechanism, so that labor force is saved conveniently. The sealing washers arranged between the barrel top and the barrel body and between the barrel top and the barrel cover can effectively isolate water vapor in air from contacting with powder, so that the powder can be stored for a long time.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic perspective view of a recyclable dry powder mortar storage device of the invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is a cross-sectional view of FIG. 2;
FIG. 5 is a schematic view of an elastic limit mechanism, swivel mount and leg;
FIG. 6 is a top view of the ladle;
FIG. 7 is an exploded view of the nameplate frame;
FIG. 8 is a schematic view of a visual groove;
fig. 9a-9d are schematic views of the tub at different angles to the legs.
In the above figures of the drawings,
1-a barrel cover; 2-handle; 3-visual groove; 4-barrel top; 5-a barrel body; 501-lower half groove; 502-rotating the support; 6-nameplate frame; 601-toughened glass; 602-nameplate rack; 603-soft magnetic strips; 7-supporting legs; 8-a bolt; 9-slots; 901-reinforcing ribs; 10-universal pulleys; 11-limiting pins; 1101-pull ring; 12-limiting flanges; 13-bearing; 14-a release-stopping sheet; 15-a dowel bar; 16-a spring; 17-a baffle; 18-a cover flange; 19-a first sealing gasket; 20-a second sealing gasket.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings in order to make the objects, technical solutions and advantages of the present invention more apparent.
Referring to fig. 1 to 3, the recyclable dry powder mortar storage device of the invention comprises a barrel body and two supporting legs 7 for supporting the barrel body.
As shown in the figure, the barrel body comprises a barrel body 5 and a barrel cover 1 arranged above the barrel body 5, further, as shown in the figure, a barrel top 4 is further arranged between the barrel body 5 and the barrel cover 1, the barrel top 4 and the barrel body 5 can be connected through a flange structure and bolts 8 penetrating through the flange structure, wherein the bolts 8 are two symmetrically arranged, and high-strength hexagon socket head bolts are selected; the barrel cover 1 is in threaded connection with the barrel top 4, and the barrel cover 1 is screwed on the barrel top 4.
The tub is selected to have a polygonal structure, and as one way, an octagonal structure is adopted in this embodiment, and the tub 5 is selected to have an octagonal structure. As shown in fig. 6, the steel plates with different thicknesses are welded according to the stress of each side. The front side, the rear side, the left side and the right side are thickened because of larger stress, and the four inclined side surfaces are not subjected to larger force, so that the thickening is not needed.
As shown in fig. 1, two handles 2 are symmetrically provided at positions of the outer wall of the tub 5 at front and rear sides in the drawing to facilitate grasping by a worker.
As shown in fig. 2, a nameplate frame 6 is arranged on the right front oblique side of the outer wall of the barrel body 5, the nameplate frame 6 comprises a nameplate frame 602 fixed on the barrel body 5 and tempered glass 601 arranged on the nameplate frame 602, an opening of the nameplate frame 6 faces downwards, and a soft magnetic stripe 603 is arranged on the opening. As shown in fig. 7, a slip on which cement powder information (date of production, kind, etc.) is written is inserted from the opening, and then a soft magnetic strip 603 is inserted to prevent it from falling.
As shown in fig. 2, a visible groove 3 is formed in the left front side of the outer wall of the barrel body 5, the visible groove 3 is made of toughened glass, and scale marks are formed in the visible groove 3. Specifically, the visual groove 3 is marked with a corresponding volume scale mark line (V) converted according to the actual volume of the novel bulk powder storage barrel, and a corresponding weight scale mark line (m=v×ρ) is obtained according to the volume scale mark line and the density (ρ) of the known powder. In the actual application process, the volume and weight of the remaining powder or the used powder can be quickly determined according to the two scale marks, as shown in fig. 8.
As shown in fig. 3, the outer wall of the tub 5 is symmetrically provided with a slot 9 for a forklift, the slot 9 is preferably located at one half of the height direction of the tub 5, and the slot 9 is extended in the horizontal direction, thereby facilitating the operation of the forklift, and the upper and lower portions of the slot 9 are provided with reinforcing ribs 901 to improve the strength thereof.
Referring to fig. 4, sealing gaskets are arranged between the barrel body 5 and the barrel top 4 and between the barrel cover 1 and the barrel top 4, specifically, a first sealing gasket 19 is arranged between the barrel cover 1 and the barrel top 4, and the first sealing gasket 19 is positioned right above an internal thread connecting port of the barrel top 4 and is nested on external threads of the barrel cover 1; a second sealing gasket 20 is arranged between the barrel top 4 and the barrel body 5, an upper half groove (not shown in the figure) is arranged at the bottom of the barrel top 4, a lower half groove 501 is arranged at the top of the barrel body 5 shown in fig. 6, the two grooves can be spliced up and down to form a complete groove, the second sealing gasket 20 is arranged in the groove, the section of the second sealing gasket 20 can be circular, and the upper half groove and the lower half groove 501 form a groove with circular section. In this way, the sealing performance between the tub 5 and the tub top 4 and between the tub cover 1 and the tub top 4 can be ensured.
As shown in fig. 4, the side wall of the tub 5 is provided with a swivel support 502 for connection with the leg 7, the swivel support 502 is located at the middle position of the height direction of the tub 5, and is welded with the tub 5 into an integral structure by welding, and the coaxiality should meet the requirement when welding.
The rotary support 502 is provided with an outwardly protruding mounting portion, the support leg 7 is provided with a mounting hole, the mounting hole is connected with the mounting portion through a bearing 13, the mounting hole is a stepped hole, the diameter of a first section close to one side of the barrel 5 is smaller than that of a second section far away from one side of the barrel 5, the bearing 13 is mounted on the first section, an outer ring of the bearing 13 is embedded into a corresponding mounting hole on the inner side of the support leg 7, and an inner ring of the bearing 13 is sleeved on the mounting portion of the rotary support 502. The bearing 13 is a cylindrical roller bearing 13 as it is subjected to only radial forces.
An elastic limiting mechanism for adjusting the relative angle of the barrel body 5 and the supporting legs 7 and locking the positions is arranged between the rotary support 502 and the supporting legs 7, when the elastic limiting mechanism is operated, the barrel body 5 is in a state capable of being adjusted relative to the supporting legs 7, and when the elastic limiting mechanism is stopped, the barrel body 5 is in a state locked relative to the supporting legs 7.
Referring to fig. 5 in combination with fig. 4, the swivel mount 502 further has an inwardly extending receiving area formed by an annular protrusion protruding in the tub 5 of the swivel mount 502 and a cover flange 18 provided at one end of the annular protrusion, the cover flange 18 being enclosed on the annular protrusion, so that the receiving area is formed by the swivel mount 502, the annular protrusion and the cover flange 18.
As shown in fig. 4 and 5, the elastic limiting mechanism comprises a limiting bolt 11, a limiting flange 12, a dowel bar 15, a spring 16 and a baffle 17. The stop flange 12 is fixed to the second section of the mounting hole on the leg 7, the stop flange 12 having a hexagonal concave surface, in particular, the stop flange 12 being bolted to the leg 7. The cross section of the dowel 15 is T-shaped, the rod end of which is fixed in the accommodation area, in particular on the rotary support 502 fixed on one side of the accommodation area, the rod body of which extends outwards to the hexagonal concave surface and is provided with a release-stopping piece 14, the release-stopping piece 14 can be in threaded connection with the dowel 15, the disassembly and assembly are convenient, and the axial (transverse in the drawing) separation between the limiting flange 12 and the dowel 15 can be prevented. The limit plug 11 has a hexagonal end portion which is matched to the hexagonal concave surface, i.e., the hexagonal end portion can be accommodated in the hexagonal concave surface and can be prevented from rotating arbitrarily. The limit plug 11 further has a hexagonal pin body extending from the hexagonal end and matching the central through hole of the dowel 15, the hexagonal pin body sequentially passes through the limit flange 12 and the dowel 15 and extends to the accommodating area, the baffle 17 is disposed at the end of the hexagonal pin body, and the spring 16 is sleeved on the hexagonal pin body and applies elastic tension to the limit plug 11 towards the inner side of the barrel 5. Further, a pull ring 1101 is provided on the hexagonal end of the limit plug 11.
When in use, the pull rings 1101 on the left and right sides are pulled outwards simultaneously, so that the limit plug 11 is temporarily separated from the limit flange 12, and the barrel body 5 can rotate around the supporting leg 7. Because of the use of the limit plug 11 with hexagonal end, the ladle 5 can be tilted by 60 °, 120 °, 180 °, as shown in fig. 9a-9 d. However, actually, according to the actual requirement, the hexagonal end part of the limiting plug 11 and the hexagonal concave surface in the center of the corresponding limiting flange 12 can be changed into other polygons such as a quadrilateral or an octagon, and more flexible and changeable angle positions can be obtained. The hexagonal pin body of the limit plug 11 and the central through hole of the dowel bar 15 can be selected similarly, namely, other polygons are selected.
The number of the supporting legs 7 is two symmetrically arranged relative to the barrel body 5, and two universal pulleys 10 are arranged at the bottoms of the supporting legs 7, so that the storage device is integrally convenient to move.
The invention has the following advantages: 1. the rubber sealing gasket is used at each joint of the barrel body, and a fully-closed storage mode is adopted, so that water vapor in the air can be effectively isolated from contacting with powder, and the powder can be stored for a long time; 2. the barrel 5 has a large storage capacity, and the volume is about 0.18L which is about equal to the 3.5 pack of the powder (the specification of the powder in the pack is 50 kg/pack in general), but the size of the barrel 5 can be changed according to the requirement in practice; 3. the barrel body 5 adopts an octagonal structure and is formed by welding steel plates with different thicknesses according to the stress of each side. The front side, the back side, the left side and the right side are thickened (as shown in fig. 6) due to larger stress, and the four inclined side surfaces are not thickened due to no larger stress; 4. the left front oblique side of the barrel body 5 is provided with a visual groove 3, the visual groove 3 is marked with a volume scale mark line (V) corresponding to the conversion of the actual volume of the novel bulk powder storage barrel, and a corresponding weight scale mark line (M=V x p) is obtained according to the volume scale mark line and the density (p) of the known powder. In the practical application process, the volume and the weight of the residual powder or the used powder can be quickly determined according to the two scale marks; 5. the right front oblique side of the barrel body 5 is provided with the nameplate frame 6, the open slot of the nameplate frame 6 is arranged right below, paper strips written with cement powder information (production date, type and the like) are plugged in from the opening, and then the soft magnetic strips 603 are inserted to prevent the paper strips from falling, so that the design can effectively prevent the paper strips from being corroded by rainwater; 6. the supporting leg 7 is provided with a universal pulley 10, so that the movement is convenient; 7. the forklift is convenient to carry; 8. the storage device is of a pure mechanical structure, does not need electrical equipment assistance, saves cost, and is convenient and durable.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a dry powder mortar storage device that can recycle, its characterized in that includes staving and two landing legs that are used for supporting the staving, the staving include the staving with set up in the bung of staving top, the lateral wall of staving is provided with the rotatory support that is used for with the landing leg is connected, rotatory support has the installation department that outwards protrudes, be provided with the mounting hole on the landing leg, the mounting hole passes through the bearing with the installation department is connected, be provided with between rotatory support and the landing leg and be used for adjusting the relative angle of staving and landing leg and locking position's elasticity stop gear;
the mounting hole is a stepped hole, the diameter of a first section close to one side of the barrel body is smaller than that of a second section far away from one side of the barrel body, and the bearing is mounted on the first section;
the rotary support is also provided with an inwards extending containing area, the containing area is formed by an annular protruding part protruding in the barrel body of the rotary support and a cover plate flange arranged at one end of the annular protruding part, and the cover plate flange is encapsulated on the annular protruding part; the elastic limiting mechanism comprises a limiting bolt, a limiting flange, a dowel bar, a spring and a baffle plate, wherein the limiting flange is fixed on the second section and is provided with a polygonal concave surface; the dowel bar is T-shaped, the bar end of the dowel bar is fixed in the accommodating area, and the bar body of the dowel bar extends outwards to the polygonal concave surface and is provided with a release-stopping sheet; the limiting bolt is provided with a polygonal end part matched with the polygonal concave surface, the limiting bolt is also provided with a polygonal pin body which extends from the polygonal end part and is matched with the central through hole of the dowel bar, the polygonal pin body sequentially passes through the limiting flange and the dowel bar and extends to the accommodating area, the baffle is arranged at the tail end of the polygonal pin body, and the spring is sleeved on the polygonal pin body and exerts elastic tension towards the inner side of the barrel body on the limiting bolt;
be provided with the pull ring on the polygon tip, the pull ring outwards pulls out when using, spacing bolt and spacing flange temporary separation make ladle body part rotate round the landing leg.
2. The recyclable dry powder mortar storage device according to claim 1, wherein a bucket top is arranged between the bucket body and the bucket cover, and sealing gaskets are arranged between the bucket body and the bucket top and between the bucket cover and the bucket top.
3. The recyclable dry powder mortar storage device according to claim 1, wherein the barrel body is polygonal, the two supporting legs are symmetrically arranged, and two universal pulleys are arranged at the bottoms of the supporting legs.
4. The recyclable dry powder mortar storage device of claim 1, wherein the outer wall of the tub is symmetrically provided with two handles.
5. The recyclable dry powder mortar storage device according to claim 1, wherein the outer wall of the barrel body is symmetrically provided with forklift slots, the slots extend in the horizontal direction, and reinforcing ribs are arranged on the upper portion and the lower portion of each slot.
6. The recyclable dry powder mortar storage device according to claim 1, wherein the outer wall of the tub is provided with a visible groove, and graduation lines are provided on the visible groove.
7. The recyclable dry powder mortar storage device according to claim 1, wherein a nameplate frame is arranged on the outer wall of the barrel body, the nameplate frame comprises a nameplate frame fixed on the barrel body and tempered glass arranged on the nameplate frame, an opening of the nameplate frame faces downwards, and a soft magnetic strip is arranged on the opening.
CN201710978949.2A 2017-10-19 2017-10-19 Dry powder mortar storage device capable of being recycled Active CN107572109B (en)

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CN201710978949.2A CN107572109B (en) 2017-10-19 2017-10-19 Dry powder mortar storage device capable of being recycled

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Application Number Priority Date Filing Date Title
CN201710978949.2A CN107572109B (en) 2017-10-19 2017-10-19 Dry powder mortar storage device capable of being recycled

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CN107572109A CN107572109A (en) 2018-01-12
CN107572109B true CN107572109B (en) 2023-09-26

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CN104358975A (en) * 2014-10-17 2015-02-18 徐新华 Double-pole positioning mechanism for liquid crystal display screen in exhibition
CN204280198U (en) * 2014-11-27 2015-04-22 贵州宝洞酱藏酒业有限公司 A kind of rolling cleaning type wine liquid holding vessel
CN205274341U (en) * 2016-01-20 2016-06-01 柴俊秀 Hand formula environment -friendly trash can
CN205366693U (en) * 2016-02-03 2016-07-06 青岛家得福农业科技发展有限公司 Gallipot holder
CN205589700U (en) * 2016-05-05 2016-09-21 温州大学城市学院 Edible oil packing jar
CN106742930A (en) * 2016-11-24 2017-05-31 黎艳 Refuse collector
CN206384311U (en) * 2017-01-17 2017-08-08 广州市天泷食品有限公司 A kind of edible oil vessel
CN206544652U (en) * 2017-02-20 2017-10-10 杭州金域医学检验所有限公司 A kind of tissue specimen container
CN107244499A (en) * 2017-07-23 2017-10-13 李震 A kind of powdered cement holding vessel
CN207389917U (en) * 2017-10-19 2018-05-22 上海力阳道路加固科技股份有限公司 The dry powder and mortar storage device that can be recycled

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201501565U (en) * 2009-09-18 2010-06-09 纪勇 Enclosed container
CN201712839U (en) * 2010-05-21 2011-01-19 黄涛 Bulk cement package transport bucket
CN201761755U (en) * 2010-08-28 2011-03-16 尹晶 Drinking water barrel bracket
CN202625046U (en) * 2012-06-27 2012-12-26 潍坊奥科重工科技有限公司 Dry-mixed mortar storage tank
CN102807040A (en) * 2012-07-25 2012-12-05 常州金海棠茶果专业合作社 Dry and moistureproof tea leaf box
CN103879646A (en) * 2014-04-18 2014-06-25 江苏固得塑胶有限公司 Plastic bucket
CN104358975A (en) * 2014-10-17 2015-02-18 徐新华 Double-pole positioning mechanism for liquid crystal display screen in exhibition
CN204280198U (en) * 2014-11-27 2015-04-22 贵州宝洞酱藏酒业有限公司 A kind of rolling cleaning type wine liquid holding vessel
CN205274341U (en) * 2016-01-20 2016-06-01 柴俊秀 Hand formula environment -friendly trash can
CN205366693U (en) * 2016-02-03 2016-07-06 青岛家得福农业科技发展有限公司 Gallipot holder
CN205589700U (en) * 2016-05-05 2016-09-21 温州大学城市学院 Edible oil packing jar
CN106742930A (en) * 2016-11-24 2017-05-31 黎艳 Refuse collector
CN206384311U (en) * 2017-01-17 2017-08-08 广州市天泷食品有限公司 A kind of edible oil vessel
CN206544652U (en) * 2017-02-20 2017-10-10 杭州金域医学检验所有限公司 A kind of tissue specimen container
CN107244499A (en) * 2017-07-23 2017-10-13 李震 A kind of powdered cement holding vessel
CN207389917U (en) * 2017-10-19 2018-05-22 上海力阳道路加固科技股份有限公司 The dry powder and mortar storage device that can be recycled

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