CN213863536U - Portable folding packaging box - Google Patents
Portable folding packaging box Download PDFInfo
- Publication number
- CN213863536U CN213863536U CN202022331511.5U CN202022331511U CN213863536U CN 213863536 U CN213863536 U CN 213863536U CN 202022331511 U CN202022331511 U CN 202022331511U CN 213863536 U CN213863536 U CN 213863536U
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- side plate
- connecting rod
- box cover
- inner cavity
- cushion pad
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- 238000004806 packaging method and process Methods 0.000 title claims description 11
- 239000011229 interlayer Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 238000012856 packing Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
A portable folding packing box relates to the technical field of packing boxes. The method comprises the following steps: the box body comprises a bottom plate, a first side plate, a second side plate, a third side plate and a fourth side plate, the first side plate and the second side plate are vertically arranged on two sides of the bottom plate, and the third side plate and the fourth side plate are respectively arranged between two ends of the first side plate and two ends of the second side plate; the first curb plate is for having the sandwich structure of first inner chamber, and first curb plate top is equipped with first bar hole, and the lateral wall that first curb plate is close to the second curb plate has seted up second bar hole, and first slider, first slider are equipped with head rod and second connecting rod, and the head rod passes behind the first bar hole to be connected with the lid, and the second connecting rod passes behind the second bar hole to be connected with first blotter. It can carry out certain centre gripping to the article of placing in it when sealed for article keep in relatively stable state, thereby effectively avoided the damage to article in the transportation.
Description
Technical Field
The utility model relates to a packing carton technical field particularly, relates to a portable folding packaging box.
Background
At present, current packing carton simple structure only has the storing function, but this kind of structure is at the in-process of in-service use, when article were put into the packing carton and are transported, because there is the clearance between article and the packing carton to lead to in the transportation, article can rock in the packing carton, lead to article to have the risk of certain damage.
In view of this, the present application is specifically made.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable folding packaging box, it can carry out certain centre gripping to the article of placing in it when sealed for article keep in relatively stable state, thereby effectively avoided the damage to article in the transportation.
The embodiment of the utility model is realized like this:
a portable, folded packaging carton comprising: the box body comprises a bottom plate, a first side plate, a second side plate, a third side plate and a fourth side plate, the first side plate and the second side plate are perpendicularly arranged on two sides of the bottom plate and are arranged along the axis direction of the bottom plate, and the third side plate and the fourth side plate are detachably arranged between two ends of the first side plate and two ends of the second side plate respectively.
Furthermore, the portable folding packing box also comprises a first cushion pad, the first cushion pad is arranged in the inner cavity of the box body, and one end of the first cushion pad is connected with the third side plate;
the first curb plate is for having the sandwich structure of first inner chamber, first curb plate top is equipped with the first bar hole with first inner chamber intercommunication, the lateral wall that first curb plate is close to the second curb plate is seted up the second bar hole with first inner chamber intercommunication, first spout has been seted up along its axial in the first inner chamber, be equipped with in the first inner chamber with first spout sliding fit's first slider, first slider is equipped with head rod and second connecting rod, the head rod passes and is connected with the lid behind the first bar hole, the second connecting rod passes and is connected with first blotter behind the second bar hole.
Further, one side that the bottom plate was kept away from to first curb plate and second curb plate all is equipped with the extension wall, and two one sides that extend the wall relative all offer with lid sliding fit's sliding tray, sliding tray extend along the box body axis.
Further, the lid includes first lid and second lid, and first lid and second lid all are with sliding tray sliding fit, and first lid is equipped with the padlock, and the one side that is close to the fourth curb plate is located to the second lid, and one side that is close to the third curb plate is located to first lid, and the second lid is equipped with the catching groove that matches with the padlock.
Furthermore, a rotating gear is rotatably arranged in the first inner cavity, the rotating gear is located in the middle of the first inner cavity, the first sliding block extends towards one side where the fourth side plate is located, and a first rack meshed with the rotating gear is arranged at the bottom of the first sliding block.
Furthermore, the portable folding packing box also comprises a second cushion pad, the second cushion pad and the first cushion pad are oppositely arranged in the inner cavity of the box body, and one end of the second cushion pad, which is far away from the first cushion pad, is connected with the fourth side plate;
the second chute has been seted up along its axial in the first inner chamber, the second chute is with first spout parallel arrangement, be equipped with in the first inner chamber with second chute sliding fit's second slider, the second slider extends towards third curb plate place one side, and its bottom is equipped with the second rack of rolling gear meshing, the second slider is equipped with the third connecting rod, the third bar hole with first inner chamber intercommunication is seted up to first curb plate, the third connecting rod passes and is connected with the second blotter behind the third bar hole.
Furthermore, a fourth connecting rod is arranged on one side of the first cushion pad, which is far away from the second connecting rod, and a first matching groove which is in sliding fit with the fourth connecting rod is arranged on the second side plate along the axial direction of the second side plate;
one side of the second cushion pad, which is far away from the third connecting rod, is provided with a fifth connecting rod, and the second side plate is provided with a second matching groove which is in sliding fit with the fifth connecting rod along the axial direction of the second side plate.
The embodiment of the utility model provides a beneficial effect is:
the embodiment of the utility model provides a portable folding packaging box, can insert the lid, in the process of gradually sealing the box inner chamber, drive first slider and slide in first spout through the lid to drive the synchronous movement of second connecting rod, stretch first blotter in this process, thus make first blotter and the article in the box inner chamber contact closely more; when the lid was opened, can drive the one end that third curb plate was kept away from to first blotter and remove towards third curb plate place one side to make the blotter compression, thereby conveniently take out article from box inner chamber.
Through the design, can drive the blotter motion through the lid, press from both sides tightly the article of placing in the box body to guaranteed that whole packing carton is in the transportation, article hold in stable state all the time in the box body, thereby avoided article to rock the damage that produces.
Generally, the embodiment of the utility model provides a portable folding packaging box, it can carry out certain centre gripping to the article of placing in it when sealed for article keep in relatively stable state, thereby effectively avoided the damage to article in the transportation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of an overall structure provided by an embodiment of the present invention;
fig. 2 is a schematic installation diagram provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a box body according to an embodiment of the present invention;
fig. 4 is a top view of a box body provided in an embodiment of the present invention;
fig. 5 is a cross-sectional view of a box body provided in an embodiment of the present invention;
fig. 6 is a schematic structural view of a second side plate according to an embodiment of the present invention;
fig. 7 is a cross-sectional view of a first cavity according to an embodiment of the present invention.
Icon: 1-bottom plate, 2-first side plate, 3-second side plate, 4-third side plate, 5-fourth side plate, 6-first strip-shaped hole, 7-second strip-shaped hole, 8-first sliding groove, 9-first sliding block, 10-first connecting rod, 11-second connecting rod, 12-first buffer pad, 13-extending wall, 14-sliding groove, 15-first box cover, 16-second box cover, 17-snap lock, 18-rotating gear, 19-first rack, 20-second buffer pad, 21-second sliding groove, 22-second sliding block, 23-second rack, 24-third strip-shaped hole, 25-fourth connecting rod, 26-first matching groove, 27-fifth connecting rod, 28-second matching groove, 29-third connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of 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 efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
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 the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "parallel," "perpendicular," and the like do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
Examples
Referring to fig. 1-7, the present embodiment provides a portable folding packing box, including: the base plate comprises a base plate 1, a first side plate 2, a second side plate 3, a third side plate 4, a fourth side plate 5, a first strip-shaped hole 6, a second strip-shaped hole 7, a first sliding groove 8, a first sliding block 9, a first connecting rod 10, a second connecting rod 11, a first cushion pad 12, an extension wall 13, a sliding groove 14, a first box cover 15, a second box cover 16, a buckle lock 17, a rotating gear 18, a first rack 19, a second cushion pad 20, a second sliding groove 21, a second sliding block 22, a second rack 23, a third strip-shaped hole 24, a fourth connecting rod 25, a first matching groove 26, a fifth connecting rod 27, a second matching groove 28 and a third connecting rod 29.
The box body comprises a bottom plate 1, a first side plate 2, a second side plate 3, a third side plate 4 and a fourth side plate 5, wherein the first side plate 2 and the second side plate 3 are vertically arranged on two sides of the bottom plate 1 and are arranged along the axial direction of the bottom plate 1, and the third side plate 4 and the fourth side plate 5 are respectively detachably arranged between two ends of the first side plate 2 and the second side plate 3;
furthermore, in the embodiment, a first cushion pad 12 is specially added, the first cushion pad 12 is arranged in the inner cavity of the box body, and one end of the first cushion pad 12 is connected with the third side plate 4;
It should be noted that: the box cover is matched with the box body in a sliding mode, so that the box cover is separated from the box body in a drawing mode.
Another one to be noted is: the first connecting rod 10 is connected with the inserting end of the box cover, and the second connecting rod 11 is connected with one end of the first buffer cushion 12 far away from the third side plate 4.
In the process of inserting the box cover and gradually sealing the inner cavity of the box body, the box cover drives the first sliding block 9 to slide in the first sliding groove 8, so that the second connecting rod 11 is driven to move synchronously, and the first cushion pad 12 is stretched in the process, so that the first cushion pad 12 is in closer contact with objects in the inner cavity of the box body; when the lid is opened, can drive first blotter 12 and keep away from the one end of third panel 4 and remove towards one side of third panel 4 place to make the blotter compression, thereby conveniently take out article from box inner chamber.
Through the design, can drive the blotter motion through the lid, press from both sides tightly the article of placing in the box body to guaranteed that whole packing carton is in the transportation, article hold in stable state all the time in the box body, thereby avoided article to rock the damage that produces.
Further, one side of the first side plate 2 and the second side plate 3 far away from the bottom plate 1 is provided with an extension wall 13, one side opposite to the two extension walls 13 is provided with a sliding groove 14 matched with the box cover in a sliding manner, and the sliding groove 14 extends along the axis of the box body. Through this design, can carry on spacingly through sliding tray 14 to the lid to make the lid can be more smooth and easy at the in-process that closes of lid.
Further, the box cover comprises a first box cover 15 and a second box cover 16, the first box cover 15 and the second box cover 16 are in sliding fit with the sliding groove 14, a buckle lock 17 is arranged on the first box cover 15, the second box cover 16 is arranged on one side close to the fourth side plate 5, the first box cover 15 is arranged on one side close to the third side plate 4, and a buckle groove matched with the buckle lock 17 is arranged on the second box cover 16. This kind of design can be at the in-process that closes of lid, makes first lid 15 and second lid 16 respectively from both ends being close to each other, accomplishes the lid and closes to can lock through padlock 17 finally, thereby improve the convenience.
Further, in order to further improve the convenience and enable the articles to be stored in the inner cavity of the box body more stably, in this embodiment, the first inner cavity is rotatably provided with a rotating gear 18, the rotating gear 18 is located in the middle of the first inner cavity, the first sliding block 9 extends towards the side where the fourth side plate 5 is located, and the bottom of the first sliding block is provided with a first rack 19 engaged with the rotating gear 18. In addition, a second cushion pad 20 is specially added in the embodiment, the second cushion pad 20 is arranged in the inner cavity of the box body opposite to the first cushion pad 12, and one end of the second cushion pad 20 away from the first cushion pad 12 is connected with the fourth side plate 5;
the second spout 21 has been seted up along its axial in the first inner chamber, second spout 21 is with 8 parallel arrangement of first spout, be equipped with in the first inner chamber with second spout 21 sliding fit's second slider 22, second slider 22 extends towards third curb plate 4 place one side, and its bottom is equipped with the second rack 23 of 18 meshing with the rotating gear, second slider 22 is equipped with third connecting rod 29, first curb plate 2 is seted up with the third bar hole 24 of first inner chamber intercommunication, third connecting rod 29 passes and is connected with second blotter 20 behind the third bar hole 24.
In this embodiment, the first strip-shaped hole 6 and the second strip-shaped hole 7 are located on one side close to the third side plate 4, the third strip-shaped hole 24 is located on one side close to the fourth side plate 5, and one end of the third strip-shaped hole 24 close to the third side plate 4 and one end of the second strip-shaped hole 7 close to the fourth side plate 5 are located on the same vertical axis.
In addition, in the present embodiment, the length of the first slider 9 is the same as the length of the second slider 22.
Through the design, when the first box cover 15 moves towards the side far from the second box cover 16, the first sliding block 9 is driven to move synchronously, in the process, the first buffer pad 12 can be driven to move towards the side far from the third side plate 4, the first buffer pad 12 is compressed, in the process of the movement of the first sliding block 9, the first rack 19 is meshed with the rotating gear 18, so that the rotating gear 18 rotates, because the side of the rotating gear 18 far from the first rack 19 is meshed with the second rack 23, when the rotating gear 18 rotates, the rotating gear 18 is meshed with the second rack 23, so that the second sliding block 22 and the first sliding block 9 move reversely (move towards the side where the fourth side plate 5 is located), and in the process of the movement of the second sliding block 22, the third connecting rod 29 can drive the end of the second buffer pad 20 far from the fourth side plate 5 to move towards the side where the fourth side plate 5 is located, thereby compressing the second cushioning pad 20 and thereby increasing the spacing between the first cushioning pad 12 and the second cushioning pad 20 to facilitate placement of the item within the cartridge body interior; when the first cover 15 moves towards the second cover 16 to seal the box, the first slider 9 moves towards the fourth side panel 5, and at this time, the second slider 22 moves towards the third side panel 4 under the action of the rotating gear 18, so that the first cushion 12 and the second cushion 20 approach each other to clamp the object.
In this embodiment, when the first cover 15 contacts the second cover 16 to seal the box body, the first slider 9 and the second slider 22 move to a certain gap for placing the object between the first buffer pad 12 and the second buffer pad 20, so that the excessive compression of the object is avoided.
In addition, first blotter 12 and second blotter 20 can adopt buffering sponge, honeycomb panel or other conventional buffer gear, adopts the form of honeycomb panel in this embodiment, and this kind of design can enough carry out certain compressing tightly to the article in the box body, has certain buffering effect again to make be flexible contact between article in the box body and first blotter 12 and the second blotter 20, thereby further improve the protection to article.
Further, in order to ensure the stability of the first cushion pad 12 and the second cushion pad 20 during the movement, in this embodiment, a side of the first cushion pad 12 away from the second connecting rod 11 is provided with a fourth connecting rod 25, and the second side plate 3 is provided with a first matching groove 26 in sliding fit with the fourth connecting rod 25 along the axial direction thereof;
the second cushion pad 20 is provided with a fifth connecting rod 27 at a side away from the third connecting rod 29, and the second side plate 3 is provided with a second matching groove 28 which is matched with the fifth connecting rod 27 in a sliding way along the axial direction.
The working principle of the portable folding packaging box is as follows: firstly, the latch 17 is opened, the second box cover 16 is pulled to move towards the side far from the first box cover 15, then the first box cover 15 is pulled to move towards the side far from the second box cover 16, in the process, the first cushion pad 12 can be driven to move towards the side where the third side plate 4 is located, the first cushion pad 12 is compressed, in the process of moving the first slide block 9, the first rack 19 is meshed with the rotating gear 18, so that the rotating gear 18 rotates, because the side, far from the first rack 19, of the rotating gear 18 is meshed with the second rack 23, when the rotating gear 18 rotates, the rotating gear 18 is meshed with the second rack 23, so that the second slide block 22 and the first slide block 9 move in the opposite direction (move towards the side where the fourth side plate 5 is located), and in the process of moving the second slide block 22, the end, far from the fourth side plate 5, of the second cushion 20 can be driven to move towards the side where the fourth side plate 5 is located through the third connecting rod 29, thereby compressing the second buffer pad 20 to increase the distance between the first buffer pad 12 and the second buffer pad 20, placing the object in the box, pushing the first box cover 15 to move in the opposite direction, and moving the second slider 22 toward the side of the third side panel 4 under the action of the rotating gear 18 to make the first buffer pad 12 and the second buffer pad 20 approach each other to clamp the object.
To sum up, the utility model discloses it can carry out certain centre gripping to the article of placing in it when sealed for article keep at relatively stable state, thereby effectively avoided the damage to article in the transportation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A portable folding package, comprising: the box comprises a bottom plate, a first side plate, a second side plate, a third side plate and a fourth side plate, wherein the first side plate and the second side plate are vertically arranged on two sides of the bottom plate and are arranged along the axis direction of the bottom plate, and the third side plate and the fourth side plate are respectively detachably arranged between two ends of the first side plate and two ends of the second side plate;
the first cushion pad is arranged in the inner cavity of the box body, and one end of the first cushion pad is connected with the third side plate;
the first side plate is of an interlayer structure with a first inner cavity, the top of the first side plate is provided with first strip-shaped holes communicated with the first inner cavity, the first side plate is close to the side wall of the second side plate, the side wall of the second side plate is provided with second strip-shaped holes communicated with the first inner cavity, a first sliding groove is formed in the first inner cavity along the axial direction of the first inner cavity, a first sliding block in sliding fit with the first sliding groove is arranged in the first inner cavity, the first sliding block is provided with a first connecting rod and a second connecting rod, the first connecting rod penetrates through the first strip-shaped holes and then the box cover is connected, and the second connecting rod penetrates through the second strip-shaped holes and then the first cushion pads.
2. The portable folding packaging box of claim 1, wherein the first side plate and the second side plate are provided with extending walls on the sides far away from the bottom plate, the opposite sides of the two extending walls are provided with sliding grooves in sliding fit with the box cover, and the sliding grooves extend along the axis of the box body.
3. The portable folding packaging box according to claim 2, wherein the box cover comprises a first box cover and a second box cover, the first box cover and the second box cover are in sliding fit with the sliding groove, the second box cover is arranged on one side close to the fourth side plate, the first box cover is arranged on one side close to the third side plate, the first box cover is provided with a buckle lock, and the second box cover is provided with a buckle groove matched with the buckle lock.
4. The portable folding carton according to claim 3, wherein the first cavity is rotatably provided with a rotating gear, the rotating gear is located in the middle of the first cavity, the first slider extends towards the side where the fourth side panel is located, and the bottom of the first slider is provided with a first rack engaged with the rotating gear.
5. The portable folding carton according to claim 4, further comprising a second cushion pad disposed opposite to the first cushion pad in the inner cavity of the carton body, wherein an end of the second cushion pad remote from the first cushion pad is connected to the fourth side panel;
the first inner cavity is internally provided with a second sliding groove along the axial direction, the second sliding groove is arranged in parallel with the first sliding groove, a second sliding block in sliding fit with the second sliding groove is arranged in the first inner cavity, the second sliding block extends towards one side where the third side plate is located, the bottom of the second sliding block is provided with a second rack meshed with the rotating gear, the second sliding block is provided with a third connecting rod, the first side plate is provided with a third strip-shaped hole communicated with the first inner cavity, and the third connecting rod is connected with the second cushion pad after penetrating through the third strip-shaped hole.
6. The portable folding packaging box according to claim 5, wherein a side of the first cushion pad remote from the second connecting bar is provided with a fourth connecting bar, and the second side plate is provided with a first fitting groove in an axial direction thereof in sliding fit with the fourth connecting bar;
and a fifth connecting rod is arranged on one side, away from the third connecting rod, of the second cushion pad, and a second matching groove in sliding fit with the fifth connecting rod is formed in the second side plate along the axial direction of the second side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022331511.5U CN213863536U (en) | 2020-10-19 | 2020-10-19 | Portable folding packaging box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022331511.5U CN213863536U (en) | 2020-10-19 | 2020-10-19 | Portable folding packaging box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213863536U true CN213863536U (en) | 2021-08-03 |
Family
ID=77073033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022331511.5U Expired - Fee Related CN213863536U (en) | 2020-10-19 | 2020-10-19 | Portable folding packaging box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213863536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114007349A (en) * | 2021-10-22 | 2022-02-01 | 浙江工业大学之江学院 | Abnormal discharge detection device for electronic actuator |
-
2020
- 2020-10-19 CN CN202022331511.5U patent/CN213863536U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114007349A (en) * | 2021-10-22 | 2022-02-01 | 浙江工业大学之江学院 | Abnormal discharge detection device for electronic actuator |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |
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| CF01 | Termination of patent right due to non-payment of annual fee |