CN111422802A - Cover opening device - Google Patents
Cover opening device Download PDFInfo
- Publication number
- CN111422802A CN111422802A CN202010173836.7A CN202010173836A CN111422802A CN 111422802 A CN111422802 A CN 111422802A CN 202010173836 A CN202010173836 A CN 202010173836A CN 111422802 A CN111422802 A CN 111422802A
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- Prior art keywords
- rotating
- limiting
- cover
- circular groove
- handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
- B67B7/00—Hand- or power-operated devices for opening closed containers
- B67B7/14—Hand- or power-operated devices for opening closed containers for removing tightly-fitting lids or covers, e.g. of shoe-polish tins, by gripping and rotating
Abstract
The invention discloses a cover opening device, which relates to the field of oil drum cover opening tools and comprises a handle, a connecting piece and a rotating piece, wherein the handle is arranged on the handle; wherein, the rotating part is rotatably connected or fixedly connected with the connecting piece. When the rotating part is fixedly connected with the connecting piece and the oil barrel cover is screwed, the rotating part can be clamped between the rotating limiting body and the side wall of the circular groove so as to screw the oil barrel cover. When the rotating part is rotationally connected with the connecting part, the cover opening device further comprises a limiting part, and when the oil barrel cover is screwed, the limiting part is rotated to enable the rotating part to have a rotating trend, meanwhile, the limiting part limits the rotating part, and an acute angle is formed between the rotating part and the connecting part; the rotating part is clamped between the rotating limiting body and the circular groove or limited by two clamping interface parts; meanwhile, the handle loads torque to the rotating part to enable the oil barrel cover to rotate. The invention overcomes the defect of complex operation when the oil barrel cover is opened in the prior art.
Description
Technical Field
The invention relates to a tool for opening an oil drum cover, in particular to a cover opening device.
Background
An oil drum cover is arranged at the opening of the oil drum body. As shown in fig. 1, the oil drum cover comprises a cover body and a rotary limiting body, wherein the cover body is in threaded connection with the oil drum body, and the upper part of the cover body is provided with a circular groove; the rotary limiting body is arranged on the bottom surface of the circular groove and is arranged along the radial direction of the circular groove; the two ends of the rotary limiting body and the side wall of the circular groove respectively enclose to form a clamping interface part, and the two sides of the rotary limiting body protrude out of the bottom surface of the circular groove. Generally, the connection between the cover body and the oil drum body is very tight in consideration of sealing factors.
At present, no special opening tool exists, and in practical application, a vice or a monkey wrench is usually used for opening, so that a jaw of the vice or a plate lip of the monkey wrench holds the two clamping interface parts, and then the vice or the monkey wrench is rotated, so that the oil tank cover is screwed off. However, the operation mode of the vice and the adjustable wrench is limited, when the oil tank cover is opened, the vice and the adjustable wrench can be operated together by two hands, so that the vice and the adjustable wrench can rotate continuously, and the operation is complicated due to the continuous replacement of the two hands; if the oil tank cover is operated by one hand, the vice and the adjustable wrench need to be rotated by a certain angle and then taken down, and then the operation is repeated until the oil tank cover is opened, so that the operation is complex.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defect of complex operation when an oil barrel cover is opened, and provides a cover opening device.
The invention solves the technical problems through the following technical scheme:
a cover opening device is used for opening an oil drum cover, the oil drum cover comprises a cover body and a rotary limiting body, the cover body comprises a circular groove, the rotary limiting body protrudes out of the bottom surface of the circular groove, and two ends of the rotary limiting body and the circular groove respectively form a clamping interface part; it is characterized in that the uncovering device comprises:
a handle;
the connecting piece is arranged at one end of the handle;
the rotating part is rotatably connected or fixedly connected with the end part of the connecting piece;
when the rotating part is fixedly connected with the connecting piece and the oil barrel cover is screwed, the rotating part can be clamped between the rotating limiting body and the side wall of the circular groove;
when the rotating piece is rotatably connected with the connecting piece, the cover opening device further comprises a limiting piece arranged on the connecting piece; and when screwing the oil barrel cover:
the limiting piece is buckled with the rotating piece, and an acute angle is formed between the rotating piece and the connecting piece; the rotating part is clamped between the rotating limiting body and the circular groove or limited by the two clamping interface parts; and meanwhile, the handle loads torque to the rotating part to enable the oil barrel cover to rotate.
Preferably, the connecting pieces are symmetrically arranged on the handle, and two rotating pieces are fixedly connected to two ends of each connecting piece; in other words, the cap opening device is provided with two rotating parts, so that any rotating part can be flexibly selected to open the oil barrel cover, and particularly, the connecting cap operation which is closer to the oil barrel cover to be opened can be preferentially selected.
Preferably, the rotating member is rotatably connected to the connecting member.
Preferably, the parts which define the two ends of the rotary limiting body and are enclosed by the circular groove are both first limiting parts; when the oil barrel cover is screwed, two ends of the rotating parts are correspondingly inserted into the clamping interface parts one by one and are limited by the two first limiting parts; the two sides of the rotating part are respectively limited by the two first limiting parts, and the rotating part can be quickly positioned by the scheme.
Preferably, two edges defining the rotating limiting body are both second limiting parts; when the oil barrel cover is screwed, the rotating piece is clamped between the second limiting part and the side wall of the circular groove. The rotating part is limited through the second limiting part and the side wall of the circular groove, and the operation is simple and convenient.
Preferably, the handle and the rotating part are respectively connected to two ends of the connecting piece, namely the rotating part is arranged on one side of the handle, so that the connecting piece is convenient to store.
Preferably, the connecting piece sets up for the handle symmetry, and the both ends of connecting piece all are equipped with rotating member and locating part, and all locating parts all lie in the same one side of connecting piece.
Preferably, the cap opening device further comprises a first rotating part, a second rotating part and a rotating shaft; the first rotating portion is fixedly connected to the connecting piece, the second rotating portion is fixedly connected to the rotating piece, the rotating shaft penetrates through the first rotating portion and the second rotating portion, and two ends of the rotating shaft are circumferentially limited through the first rotating portion.
Preferably, the rotating part is plate-shaped, and when the oil barrel cover is screwed, the rotating part is clamped between the rotating limiting body and the side wall of the circular groove.
Preferably, the rotating member includes a plate portion provided on the connecting member and claw portions provided at both end portions of the plate portion;
when the oil barrel cover is screwed, the claw parts are correspondingly inserted into the clamping interface parts of the oil barrel cover one by one and are mutually limited with the rotation limiting body.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
in the invention, when the rotating part is fixedly connected with the connecting piece, the rotating part is clamped between the rotating limiting body and the side wall of the circular groove, and meanwhile, the handle loads torsion to the rotating part, so that the oil barrel cover can rotate; in the whole process of opening the oil barrel cover, an operator can continuously operate the handle by one hand, so that the defect of complex operation when the oil barrel cover is opened is overcome.
When the rotating part is rotationally connected with the connecting piece and the oil barrel cover is screwed, the mutual limiting action between the rotating part and the limiting part is kept, the rotating part is clamped between the rotating limiting body and the side wall of the circular groove or limited by two clamping interface parts, and meanwhile, the handle loads torque to the rotating part to enable the oil barrel cover to rotate; therefore, in the whole process of opening the oil barrel cover, an operator can continuously operate the handle by one hand, so that the defect of complex operation when the oil barrel cover is opened is overcome.
Drawings
Fig. 1 is a schematic top view of a prior art oil drum cover.
FIG. 2 is a schematic structural diagram according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram according to an embodiment of the present invention;
description of reference numerals:
Connecting piece 20
Rotating member 30
Notch 31
Engaging part 32
First rotating part 60
Second rotating part 70
Rotary limiting body 90
First limiting part 91
Detailed Description
The present invention is further illustrated by the following examples, but is not limited thereby in the scope of the examples described below.
Example 1
The embodiment of the invention provides a cover opening device which is used for opening an oil drum cover 80 on an oil drum body 100. Referring to fig. 1, the oil drum cover 80 includes a cover body and a rotation limiting body 90, the cover body includes a circular groove 81, the rotation limiting body 90 protrudes from the bottom surface of the circular groove 81, and two ends of the rotation limiting body 90 and the inner wall of the circular groove 81 surround and form a clamping interface 82. The oil drum cover 80 is known in the art and therefore its details will not be described in further detail here.
Referring to fig. 2, the lid opening device according to the embodiment of the present invention includes a handle 10, a connecting member 20, and a rotating member 30; the connecting member 20 is disposed at one end of the handle 10, the rotating member 30 is fixedly connected to an end of the connecting member 20, and when the oil drum cover 80 is screwed, the rotating member 30 can be clamped between the rotation limiting body 90 and the side wall 811 of the circular groove 81 to screw the oil drum cover 80.
Specifically, the handle 10 may employ a lever for applying torque. The handle 10 may be formed integrally or may be formed integrally by a plurality of parts.
The coupling member 20 may have a plate shape to allow a certain distance between the rotating member 30 and the handle 10, and the design is more labor-saving in combination with the lever principle. The connecting member 20 may be integrally formed with the handle 10, or may be fixedly connected to the handle 10 by welding, for example.
The rotating member 30 is used to convert the force from the handle 10 into its torque, and the rotating member 30 and the connecting member 20 may be integrally formed, preferably at a right angle.
Because the rotation limiting body 90 is in a protruding state relative to the bottom surface of the circular groove 81, when the oil drum cover 80 is screwed, one side of the rotation limiting piece 30 can limit the position through the part of the rotation limiting piece 40 protruding out of the bottom surface of the circular groove 81, and the other side can limit the position through the inner wall of the circular groove 81; and meanwhile, the handle 10 is rotated, so that the oil barrel cover 80 can be screwed.
Furthermore, the connecting member 20 is symmetrically disposed on the handle 10, and two ends of the connecting member 20 are respectively and fixedly connected with a rotating member 30.
Specifically, in actual operation, a plurality of oil drums generally set up side by side, and the device of uncapping has two and connects the back, and the operator can choose for use any rotating member 30 to operate in a flexible way, especially can choose for use the distance to wait to open the rotating member 30 operation that oil drum lid 80 is more nearly.
Example 2
Referring to fig. 1 and fig. 3, the present embodiment is different from embodiment 1 in that:
the rotating part 30 is rotationally connected with the connecting part 20; the uncovering device also comprises a limiting piece 40 arranged on the connecting piece 20, and the limiting piece 40 limits the rotating piece 30 in the process of screwing the oil drum cover 80; and when screwing the oil barrel cover 80:
on one hand, the limiting body 90 is rotated to make the rotating member 30 have a rotating trend, meanwhile, the limiting member 40 is buckled with the rotating member 30 and limits the rotating member 30, and the limiting member 40 makes an acute angle between the rotating member 30 and the connecting member 20;
on the other hand, the rotating element 30 is clamped between the rotating limiting body 90 and the circular groove 81, or limited by the two clamping interface parts 82;
further, the oil tank cover 80 is rotated by applying torque to the rotary member 30 via the handle 10.
In addition, the three points are synchronously performed when the oil drum cover 80 is screwed.
Specifically, the position-limiting member 40 may be a block, and may be integrally formed with the connecting member 20, or may be a separate component fixedly connected to the connecting member 20 in a certain manner. The limiting member 40 and the rotating member 30 can be fastened, for example, the limiting member 40 is provided with a fastening position 41, the fastening position 41 can be in a shape of a barb or a shape with a wide outside and a narrow inside, and the rotating member 30 is provided with a groove (shown schematically in the figure) matching with the fastening position 41, and after the groove is fastened with the fastening position 41, the groove and the fastening position 41 can be in interference fit or transition fit, so that a certain static friction force exists between the groove and the fastening position, the limiting member 40 and the rotating member 30 can be connected together to a certain extent, and it is also easy to manually separate the limiting member 40 and the rotating member 30.
When the oil drum cover 80 is screwed, the handle 10 applies an acting force to the rotating member 30 (for example, an acting force along the axial direction of the handle 10 and acting from the free end of the handle 10 to the end provided with the connecting member 20), so that the rotating member 30 tends to rotate toward the side of the limiting member 40 under the action of the rotation limiting body 90, at this time, the limiting member 40 restrains the rotational degree of freedom of the rotating member 30, and during the screwing of the oil drum cover 80, the mutual limiting action between the limiting member 40 and the rotating member 30 is always present, in other words, an acting force acting from the free end of the handle 10 to the end provided with the connecting member 20 is always present in the axial direction of the handle 10.
When the oil barrel cover 80 is screwed by the rotating member 30, in a non-working state, the rotating member 30 can be folded and then superposed on the connecting member 20 so as to be convenient to store.
The cap opening device and the cap body can be in a relatively static state in different ways among the rotating member 30, the rotating limiting body 90 and the cap body to move together:
one way is that: in the process of screwing the oil barrel cover 80, one end of the rotating part 30 props against the rotating limiting body 90, the other end of the rotating part props against the side wall 811 of the circular groove 81, and the contact surfaces of the rotating part 30 and the rotating limiting body 90 and the contact surfaces of the rotating part 30 and the circular groove 81 are positioned on the opposite side surfaces of the rotating part 30; in this state, a moment is applied to the handle 10, so that the cap opening device and the oil tank cap 80 can rotate together, and the oil tank cap 80 is opened;
the other mode is as follows: the two ends of the rotating member 30 are limited by the two card interface parts 82, in other words, the two card interface parts 82 generate reverse limitation to the two ends of the rotating member 30; in this state, a moment is applied to the handle 10, so that the lid opening device and the oil tank lid 80 rotate together, thereby opening the oil tank lid 80.
Further, in the present embodiment, the two ends of the connecting member 20 are respectively connected to the handle 10 and the rotating member 30, in other words, the connecting member 20, the rotating member 30 and the limiting member 40 are disposed on one side of the handle 10, which is convenient for storage.
However, in other alternative embodiments, the rotating member may be disposed bilaterally, for example: the connecting member 20 is symmetrically disposed with respect to the handle 10, the rotating member 30 and the limiting members 40 are disposed at two ends of the connecting member 20, and all the limiting members 40 are disposed at the same side of the connecting member 20. Specifically, the lid opening device is provided with two rotating members 30, and an operator can flexibly select any one of the rotating members 30 to operate. In addition, when one of the rotating members 30 works, the other rotating member 30 can be turned over and overlapped on the connecting member 20, so that the oil drum can not be collided when the oil drum cover 80 is screwed.
Further, the cap opening device further includes a first rotating portion 60, a second rotating portion 70 and a rotating shaft 50, the first rotating portion 60 is fixedly connected to the connecting member 20, the second rotating portion 70 is fixedly connected to the rotating member 30, the rotating shaft 50 penetrates through the first rotating portion 60 and the second rotating portion 70, and two ends of the rotating shaft 50 are circumferentially limited by the first rotating portion 60.
Specifically, the first rotating portion 60 and the second rotating portion 70 may be short pipes, and the second rotating portion 70 is located between the two first rotating portions 60. One end of the rotating shaft 50 may be limited by a step thereof with one first rotating portion 60, and the other end may be limited by a component such as a retaining ring with the other first rotating portion 60.
Further, the rotating member 30 may be plate-shaped, and when the oil barrel cover 80 is screwed, the rotating member 30 is clamped between the rotation limiting body 90 and the side wall 811 of the circular groove 81.
Example 3
With continuing reference to fig. 1 and 4, the present embodiment provides an operation method and a corresponding scheme of the decapping device based on embodiment 2: the parts defining the two ends of the rotary limiting body 90 and enclosed with the circular groove 81 are all first limiting parts 91; when the oil drum cover 80 is screwed, two ends of the rotating member 30 are inserted into the clamping interface part 82 in a one-to-one correspondence manner, and two sides of the rotating member 30 are respectively limited by the two first limiting parts 91.
Specifically, the first limiting portion 91 is a portion of the rotation limiting body 90 that surrounds the side wall 811 of the circular groove 81 and is used to form a position of the clamping interface 82, and two ends of the rotating member 30 can be limited in different directions by the two first limiting portions 91, that is, the two first limiting portions 91 respectively limit two side surfaces of the rotating member 30 when the oil barrel cover 80 is screwed, so that the rotating member 30 and the oil barrel cover 80 are in a relatively static state.
The rotating member 30 can be, for example, as shown in fig. 4, and both ends of the rotating member 30 are respectively provided with a notch 31, so that a clamping portion 32 is formed at each of both ends of the rotating member 30, and the clamping portion 32 is inserted into the card interface portion 82 during the screwing process.
Example 4
With continuing reference to fig. 1 and fig. 3-5, the present embodiment provides another operation method and a corresponding scheme of the decapping device based on embodiment 2: two edges defining the rotation limiting body 90 are both the second limiting parts 92; the second limiting portion 92 protrudes from the bottom surface of the circular groove 81, and when the oil drum cover 80 is screwed, the rotating member 30 is clamped between one of the second limiting portions 92 and the side wall 811 of the circular groove 81.
Specifically, in this embodiment, the rotation limiting body 90 does not adopt a mode that two ends are inserted into the clamping interface 82, but one side of the rotation limiting body abuts against the second limiting portion 92, and the other side of the rotation limiting body abuts against the side wall 811 of the circular groove 81, so that the rotation component 30 and the oil tank cover 80 are in a relatively static state, and further the oil tank cover 80 is rotated by applying an acting force to the handle 10.
Further, in the present embodiment, the rotating member 30 may also have a plate-like structure, and may also have a structure as shown in fig. 5: that is, the rotating member 30 includes a plate portion 33 and claw portions 34, wherein the plate portion 33 is disposed on the connecting member 20, the claw portions 34 are disposed at two end portions of the plate portion 33, and when the oil tank cover 80 is rotated, the claw portions 34 are inserted into the clip interface portions 82 of the oil tank cover 80 in a one-to-one correspondence manner, and are mutually limited by the rotation limiting body 90.
Specifically, the upper portion of the plate portion 33 is rotatably connected to the connecting member 20, the lower portion of the plate portion 33 is provided with two claw portions 34, the two claw portions 34 are disposed at both ends of the plate portion 33, and the claw portions 34 and the plate portion 33 may be integrally formed.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. A cover opening device is used for opening an oil drum cover, the oil drum cover comprises a cover body and a rotary limiting body, the cover body comprises a circular groove, the rotary limiting body protrudes out of the bottom surface of the circular groove, and two ends of the rotary limiting body and the circular groove respectively form a clamping interface part; characterized in that, the device of uncapping includes:
a handle;
the connecting piece is arranged at one end of the handle;
the rotating part is rotatably connected or fixedly connected with the end part of the connecting piece;
when the rotating part is fixedly connected with the connecting piece and the oil barrel cover is screwed, the rotating part can be clamped between the rotating limiting body and the side wall of the circular groove;
when the rotating piece is rotatably connected with the connecting piece, the cover opening device further comprises a limiting piece arranged on the connecting piece; and when screwing the oil barrel cover:
the rotating limiting body enables the rotating part to have a rotating trend, and the limiting part is buckled with the rotating part, so that an acute angle is formed between the rotating part and the connecting piece; the rotating part is clamped between the rotating limiting body and the circular groove or limited by the two clamping interface parts; and meanwhile, the handle loads torque to the rotating part to enable the oil barrel cover to rotate.
2. The cap-opening device of claim 1, wherein the connecting members are symmetrically disposed on the handle, and a rotating member is fixedly connected to each of both ends of the connecting members.
3. The door opener according to claim 1, wherein the rotating member is rotatably coupled to the connecting member.
4. The cap opening device according to claim 3, wherein the portions which define both ends of the rotation stopper and which surround the circular groove are both first stopper portions;
when the oil drum cover is screwed, the two ends of the rotating part are correspondingly inserted into the clamping interface part one by one and are limited by the first limiting parts.
5. The cap opening device according to claim 3, wherein both edges defining the swirling stopper are second stopper portions;
when the oil barrel cover is screwed, the rotating piece is clamped between the second limiting part and the side wall of the circular groove.
6. A cap opener according to claim 3, wherein the two ends of the connecting member are connected to the handle and the rotating member, respectively.
7. The door opener according to claim 3, wherein the connecting member is disposed symmetrically with respect to the handle, the rotating member and the retaining member are provided at both ends of the connecting member, and all the retaining members are located on the same side of the connecting member.
8. The cap removing device according to claim 3, further comprising a first rotating portion, a second rotating portion, and a rotating shaft; the first rotating portion is fixedly connected to the connecting piece, the second rotating portion is fixedly connected to the rotating piece, the rotating shaft penetrates through the first rotating portion and the second rotating portion, and two ends of the rotating shaft are circumferentially limited through the first rotating portion.
9. A cap-opening device according to any one of claims 3 to 8 wherein the rotating member is plate-shaped and is caught between the rotation stopper and the side wall of the circular groove when the lid of the oil tank is screwed.
10. A cap-opening device according to any one of claims 3 to 8 wherein the rotary member includes a plate portion provided on the connecting member and claw portions provided at both end portions of the plate portion;
when the oil barrel cover is screwed, the claw parts are correspondingly inserted into the clamping interface parts of the oil barrel cover one by one and are mutually limited with the rotation limiting body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010173836.7A CN111422802B (en) | 2020-03-13 | 2020-03-13 | Cover opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010173836.7A CN111422802B (en) | 2020-03-13 | 2020-03-13 | Cover opening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111422802A true CN111422802A (en) | 2020-07-17 |
| CN111422802B CN111422802B (en) | 2021-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010173836.7A Active CN111422802B (en) | 2020-03-13 | 2020-03-13 | Cover opening device |
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| Country | Link |
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| CN (1) | CN111422802B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2421665A (en) * | 1943-09-01 | 1947-06-03 | George B Umbdenstock | Steel barrel plug wrench |
| US6578223B1 (en) * | 2002-02-15 | 2003-06-17 | Vestil Manufacturing Corp. | Container opening tool |
| CN201358160Y (en) * | 2009-01-12 | 2009-12-09 | 无锡嘉华香精香料有限公司 | Cover opener for iron drum |
| CN202346724U (en) * | 2011-12-09 | 2012-07-25 | 重庆市綦江县供电有限责任公司 | Oil drum lid opener |
| CN206384798U (en) * | 2016-12-27 | 2017-08-08 | 浙江永杰汽车电子有限公司 | Buckle-type fuel tank opening device |
| CN207090952U (en) * | 2016-08-31 | 2018-03-13 | 芜湖铜冠电工有限公司 | A kind of opening device for paint kettle |
| CN209036404U (en) * | 2018-09-10 | 2019-06-28 | 杭州中力钢网制品有限公司 | It is a kind of to facilitate the spanner for opening oil drum cap |
-
2020
- 2020-03-13 CN CN202010173836.7A patent/CN111422802B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2421665A (en) * | 1943-09-01 | 1947-06-03 | George B Umbdenstock | Steel barrel plug wrench |
| US6578223B1 (en) * | 2002-02-15 | 2003-06-17 | Vestil Manufacturing Corp. | Container opening tool |
| CN201358160Y (en) * | 2009-01-12 | 2009-12-09 | 无锡嘉华香精香料有限公司 | Cover opener for iron drum |
| CN202346724U (en) * | 2011-12-09 | 2012-07-25 | 重庆市綦江县供电有限责任公司 | Oil drum lid opener |
| CN207090952U (en) * | 2016-08-31 | 2018-03-13 | 芜湖铜冠电工有限公司 | A kind of opening device for paint kettle |
| CN206384798U (en) * | 2016-12-27 | 2017-08-08 | 浙江永杰汽车电子有限公司 | Buckle-type fuel tank opening device |
| CN209036404U (en) * | 2018-09-10 | 2019-06-28 | 杭州中力钢网制品有限公司 | It is a kind of to facilitate the spanner for opening oil drum cap |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111422802B (en) | 2021-07-23 |
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