CN110963150A - Protective housing is used in auto parts delivery with bradyseism function - Google Patents
Protective housing is used in auto parts delivery with bradyseism function Download PDFInfo
- Publication number
- CN110963150A CN110963150A CN201911239941.XA CN201911239941A CN110963150A CN 110963150 A CN110963150 A CN 110963150A CN 201911239941 A CN201911239941 A CN 201911239941A CN 110963150 A CN110963150 A CN 110963150A
- Authority
- CN
- China
- Prior art keywords
- box body
- supporting seat
- carrying
- automobile parts
- wall
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/10—Devices to locate articles in containers
- B65D25/101—Springs, elastic lips, or other resilient elements to locate the articles by pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/20—External fittings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
- B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
- B65D81/07—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using resilient suspension means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/68—Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
- B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
- B65D2585/6802—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles
- B65D2585/6875—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles engines, motors, machines and vehicle parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Abstract
The invention discloses a protective shell with a cushioning function for carrying automobile parts, which comprises a box body and a box door, wherein the box door is arranged on the front side opening of the box body; the supporting seat is arranged in the box body, the side edge of the supporting seat is connected with the inner wall of the box body through the first damping spring, the supporting seat is arranged below the supporting seat, the top of the supporting seat is connected with the bottom of the supporting seat through the second damping spring, and the bottom of the supporting seat is slidably connected to the bottom of the inner cavity of the box body. According to the invention, the bearing seat is arranged, the side edge of the bearing seat is connected with the inner wall of the box body through the first damping spring, the elastic connection supporting seat is arranged at the bottom of the bearing seat, and the supporting seat is connected with the box body in a sliding manner, so that the bearing seat can perform multi-directional damping, the damping effect is improved, and the probability of damage to automobile parts is greatly reduced.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a protective shell with a cushioning function for automobile part carrying.
Background
Automobile parts are important components of automobiles, and comprise various engine parts such as throttle bodies, engines, engine assemblies, oil pumps, oil nozzles, tension wheels, cylinder blocks and the like, and brake system parts such as brake shoes, brake pads, brake discs, brake drums, compressors, brake assemblies and the like, and part of automobile parts belong to precision devices, so that effective protection is required in the carrying process. But the current protective housing does not possess the bradyseism function mostly or bradyseism function is relatively poor, easily leads to the auto parts to cause the damage in the in-process of carrying.
Disclosure of Invention
The invention aims to provide a protective shell with a shock absorption function for carrying automobile parts, and aims to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a protective shell with a cushioning function for carrying automobile parts comprises a box body and a box door arranged on the front opening of the box body; the supporting seat is arranged in the box body, the side edge of the supporting seat is connected with the inner wall of the box body through the first damping spring, the supporting seat is arranged below the supporting seat, the top of the supporting seat is connected with the bottom of the supporting seat through the second damping spring, and the bottom of the supporting seat is slidably connected to the bottom of the inner cavity of the box body.
In a further aspect: one side of the box door is connected with the box body through a hinge, and the other side of the box door is connected with the box body through a locking structure.
In a further aspect: the top of the bearing seat is also integrally formed with a limiting groove.
In a further aspect: the bottom of the inner cavity of the box body is fixed with a slide rail, the bottom of the supporting seat is provided with a slide groove matched with the slide rail, and the slide rail is slidably clamped in the slide groove.
In a further aspect: the upper part of the inner cavity of the box body is also provided with a movable plate, the movable plate is connected with the wall of the top shell of the box body in a sliding manner and can move along the vertical direction, and the box body is provided with a driving mechanism for driving the movable plate; the bottom of the movable plate is connected with a pressing plate which is arranged elastically.
In a further aspect: the pressing plate is composed of a plurality of mutually independent pressing plate units, and the pressing plate units are connected with the bottom of the movable plate through connecting springs.
In a further aspect: the top of fly leaf is fixed with the guide bar, sets up the guiding hole with guide bar looks adaptation on the top conch wall of box, and the guide bar slides and runs through the guiding hole, and the top of guide bar is fixed with the stopper.
In a further aspect: the driving mechanism comprises a lifting screw rod, the bottom of the lifting screw rod is rotatably connected to the top of the movable plate, the top of the lifting screw rod extends out of the box body and is connected with a handle, and a threaded hole in threaded fit with the lifting screw rod is formed in the wall of the top shell of the box body.
In a further aspect: the bearing seat is of a hollow structure, a notch is formed in the bottom of the bearing seat, a lower vent hole is formed in the position, corresponding to the notch, of the wall of the bottom of the box body, and an upper vent hole is formed in the wall of the top of the box body.
In a further aspect: the side outer wall of the box body is provided with a clamping groove, the cross section of the clamping groove is T-shaped, the box door is provided with an embedded groove, a connecting block is clamped in the embedded groove, and the cross section of the connecting block is in a shape formed by splicing the cross sections of the two clamping grooves.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the bearing seat is arranged, the side edge of the bearing seat is connected with the inner wall of the box body through the first damping spring, the elastic connection supporting seat is arranged at the bottom of the bearing seat, and the supporting seat is connected with the box body in a sliding manner, so that the bearing seat can perform multi-directional damping, the damping effect is improved, and the probability of damage to automobile parts is greatly reduced; by arranging the movable plate and the pressing plate, the pressing plate can be pressed on the upper surface of the automobile part by utilizing the descending of the movable plate, a certain fixing effect is achieved, the overlarge shaking range of the automobile part is avoided, and meanwhile, the pressing plate can act on the irregular outer surface due to the fact that the pressing plate is composed of a plurality of pressing plate units, and the universality is improved; through setting up draw-in groove and connecting block for can carry out the built-up connection between two adjacent boxes, conveniently carry, thereby inlay the connecting block and adorn in the chamber door, can avoid losing of connecting block, it is more convenient to use.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of another embodiment of the present invention.
Fig. 3 is a schematic perspective view of another embodiment of the present invention.
Fig. 4 is a schematic structural view of two combined cases according to another embodiment of the present invention.
Notations for reference numerals: 1-box body, 11-slide rail, 12-guide hole, 13-threaded hole, 14-clamping groove, 15-lower vent hole, 16-upper vent hole, 2-bearing seat, 21-limiting groove, 22-notch, 3-first damping spring, 4-supporting seat, 41-second damping spring, 5-movable plate, 51-guide column, 511-limiting block, 61-pressing plate unit, 62-connecting spring, 7-lifting screw rod, 71-handle, 8-box door, 81-caulking groove and 9-connecting block.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1, in an embodiment of the present invention, a protective case for carrying automobile parts with a cushioning function includes a case 1 and a door 8 disposed at a front side opening of the case 1; be provided with in the box 1 and bear seat 2, the side that bears seat 2 passes through first damping spring 3 and box 1's interior wall connection, the below that bears seat 2 is provided with supporting seat 4, the top of supporting seat 4 is passed through second damping spring 41 and is connected with the bottom that bears seat 2, the bottom sliding connection of supporting seat 4 is in the inner chamber bottom of box 1, during the use, arrange the auto parts in on supporting seat 4, in the delivery process, carry out the shock attenuation of horizontal direction by first damping spring 3, carry out the shock attenuation of vertical direction by second damping spring 4, thereby realized to the multidirectional shock attenuation that bears seat 2, improve the bradyseism effect, the greatly reduced the probability that the auto parts damaged in the delivery process.
Furthermore, one side of the box door 8 is connected with the box body 1 through a hinge, and the other side of the box door 8 is connected with the box body 1 through a locking structure.
Furthermore, the top of the bearing seat 2 is also integrally formed with a limiting groove 21, so that the automobile parts can be conveniently positioned.
The sliding connection mechanism of the supporting seat 4 and the box body 1 is not limited, and this embodiment provides one example, specifically: the bottom of the inner cavity of the box body 1 is fixedly provided with a slide rail 11, the bottom of the supporting seat 4 is provided with a slide groove matched with the slide rail 11, and the slide rail 11 is slidably clamped in the slide groove, so that the sliding connection between the supporting seat 4 and the box body 1 is realized.
Optionally, in this embodiment, a movable plate 5 is further disposed at the upper portion of the inner cavity of the box 1, the movable plate 5 is slidably connected to a top shell wall of the box 1 and can move along a vertical direction, and a driving mechanism for driving the movable plate 5 is mounted on the box 1; the bottom of fly leaf 5 is connected with the clamp plate of elastic setting, during the use, can drive fly leaf 5 through actuating mechanism and remove to make fly leaf 5 contradict with auto parts's top, and then play certain fixed action, avoid auto parts's the range of rocking too big.
Further, the pressing plate is composed of a plurality of mutually independent pressing plate units 61, the pressing plate units 61 are connected with the bottom of the movable plate 5 through connecting springs 62, and the mutually independent design enables the extension and retraction of a single pressing plate unit 61 not to be affected by the pressing plate units 61, so that the pressing plate can act on irregular outer surfaces, and the applicability of the pressing plate is improved.
The sliding connection structure of the movable plate 5 and the box 1 is not limited, and in this embodiment, one example is given, specifically: the top of the movable plate 5 is fixed with a guide rod 51, a guide hole 12 matched with the guide rod 51 is formed in the wall of the top shell of the box body 1, the guide rod 51 penetrates through the guide hole 12 in a sliding manner, a limiting block 511 is fixed at the top of the guide rod 51, and in the embodiment, the movable plate 5 is connected with the box body 1 in a sliding manner through the matching effect of the guide rod 51 and the guide hole 12.
The specific structure of the driving mechanism is also not limited, and this embodiment provides one example, specifically: the driving mechanism comprises a lifting screw rod 7, the bottom of the lifting screw rod 7 is rotatably connected to the top of the movable plate 5, the top of the lifting screw rod 7 extends out of the box body 1 and is connected with a handle 71, a threaded hole 13 in threaded fit with the lifting screw rod 7 is formed in the wall of the top shell of the box body 1, and when the lifting screw rod is used, the handle 71 drives the lifting screw rod 7 to rotate so as to drive the movable plate 5 to lift.
Optionally, in this embodiment, the bearing seat 2 is a hollow structure, and the bottom of the bearing seat is provided with a notch 22, a lower vent 15 is provided on the bottom shell wall of the box body 1 corresponding to the notch 22, and an upper vent 16 is provided on the top shell wall of the box body 1, so as to ensure a ventilation environment in the box body 1 and prevent the automobile parts from being affected with damp.
In summary, in the embodiment, the bearing seat 2 is arranged, the side edge of the bearing seat 2 is connected with the inner wall of the box body 1 through the first damping spring 3, the elastic connection supporting seat 4 is arranged at the bottom of the bearing seat 2, and the supporting seat 4 is connected with the box body 1 in a sliding manner, so that the bearing seat 2 can perform multi-directional damping, the damping effect is improved, and the probability of damage to automobile parts is greatly reduced; through setting up fly leaf 5 and clamp plate, can utilize the decline of fly leaf 5 to make the clamp plate compress tightly at auto parts's upper surface, play certain fixed action, avoid auto parts to rock the range too big, simultaneously because the clamp plate comprises a plurality of clamp plate units 61 for the clamp plate can act on anomalous surface, has improved the commonality.
Example 2
Referring to fig. 2 to 4, the embodiment of the present invention performs function expansion on the basis of embodiment 1, specifically:
the side outer wall of the box body 1 is provided with a clamping groove 14, the cross section of the clamping groove 14 is in a T shape, the box door 8 is provided with an embedding groove 81, a connecting block 9 is arranged in the embedding groove 81 in a clamped mode, the cross section of the connecting block 9 is in a shape formed by splicing the cross sections of the two clamping grooves 14, and therefore when the box is used, the connecting block 9 can be inserted into the clamping grooves 14 of the two adjacent box bodies 1, combination between the two box bodies 1 is achieved, and overall carrying is facilitated.
In summary, in this embodiment, through setting up draw-in groove 114 and connecting block 9 for can carry out the built-up connection between two adjacent boxes 1, conveniently carry, thereby inlay the connecting block 9 in chamber door 8, can avoid losing of connecting block 9, it is more convenient to use.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A protective shell with a cushioning function for carrying automobile parts comprises a box body (1) and a box door (8) arranged on the front side opening of the box body (1); the novel bearing device is characterized in that a bearing seat (2) is arranged in the box body (1), the side edge of the bearing seat (2) is connected with the inner wall of the box body (1) through a first damping spring (3), a supporting seat (4) is arranged below the bearing seat (2), the top of the supporting seat (4) is connected with the bottom of the bearing seat (2) through a second damping spring (41), and the bottom of the supporting seat (4) is slidably connected to the bottom of an inner cavity of the box body (1).
2. The protective case with a shock absorption function for automobile part carrying according to claim 1, wherein one side of the door (8) is connected to the case (1) through a hinge, and the other side of the door (8) is connected to the case (1) through a locking structure.
3. The protective shell with cushioning function for carrying automobile parts as claimed in claim 1, wherein the top of the carrying seat (2) is further integrally formed with a limiting groove (21).
4. The protective casing with the shock absorption function for carrying the automobile parts as claimed in claim 1, wherein a slide rail (11) is fixed to the bottom of the inner cavity of the box body (1), a slide groove matched with the slide rail (11) is formed in the bottom of the supporting seat (4), and the slide rail (11) is slidably clamped in the slide groove.
5. The protective shell for carrying automobile parts with the cushioning function according to claim 1, wherein a movable plate (5) is further disposed at an upper portion of an inner cavity of the box body (1), the movable plate (5) is slidably connected to a top shell wall of the box body (1) and can move in a vertical direction, and a driving mechanism for driving the movable plate (5) is mounted on the box body (1); the bottom of the movable plate (5) is connected with a pressing plate which is elastically arranged.
6. The protective case for vehicle part carrying with a shock absorption function according to claim 5, wherein the pressure plate is composed of a plurality of pressure plate units (61) independent of each other, and the pressure plate units (61) are connected to the bottom of the movable plate (5) through connecting springs (62).
7. The protective case with a shock absorption function for carrying automobile parts as claimed in claim 5, wherein a guide rod (51) is fixed to the top of the movable plate (5), a guide hole (12) matched with the guide rod (51) is formed in the wall of the top shell of the case (1), the guide rod (51) penetrates through the guide hole (12) in a sliding manner, and a limiting block (511) is fixed to the top of the guide rod (51).
8. The protective shell with the shock absorption function for carrying the automobile parts as claimed in claim 5, wherein the driving mechanism comprises a lifting screw rod (7), the bottom of the lifting screw rod (7) is rotatably connected to the top of the movable plate (5), the top of the lifting screw rod (7) extends out of the box body (1) and is connected with a handle (71), and a threaded hole (13) in threaded fit with the lifting screw rod (7) is formed in the wall of the top shell of the box body (1).
9. The protective case with a shock absorption function for carrying automobile parts as claimed in claim 1, wherein the bearing seat (2) is hollow and has a notch (22) at the bottom, a lower vent (15) is opened on the bottom wall of the case (1) at a position corresponding to the notch (22), and an upper vent (16) is opened on the top wall of the case (1).
10. The protective shell with the shock absorption function for carrying the automobile parts as claimed in any one of claims 1 to 9, wherein a clamping groove (14) is formed in the outer wall of the side edge of the box body (1), the cross section of the clamping groove (14) is T-shaped, an embedded groove (81) is formed in the box door (8), a connecting block (9) is clamped in the embedded groove (81), and the cross section of the connecting block (9) is in a shape formed by splicing the cross sections of the two clamping grooves (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911239941.XA CN110963150A (en) | 2019-12-06 | 2019-12-06 | Protective housing is used in auto parts delivery with bradyseism function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911239941.XA CN110963150A (en) | 2019-12-06 | 2019-12-06 | Protective housing is used in auto parts delivery with bradyseism function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110963150A true CN110963150A (en) | 2020-04-07 |
Family
ID=70033349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911239941.XA Withdrawn CN110963150A (en) | 2019-12-06 | 2019-12-06 | Protective housing is used in auto parts delivery with bradyseism function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110963150A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112874997A (en) * | 2021-02-02 | 2021-06-01 | 天长市超威电子有限公司 | Anti-vibration storage device for electronic transformer transportation based on clamping fixation |
| CN113390588A (en) * | 2021-07-06 | 2021-09-14 | 上海应用技术大学 | Air tightness detection device and method for sealing bag |
| CN113702774A (en) * | 2021-09-29 | 2021-11-26 | 国网甘肃省电力公司白银供电公司 | Portable earth fault position measuring instrument for overhead line |
| CN113716224A (en) * | 2021-09-10 | 2021-11-30 | 无锡市迈特动力机械有限公司 | Vapour fortune frame convenient to fixed engine |
-
2019
- 2019-12-06 CN CN201911239941.XA patent/CN110963150A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112874997A (en) * | 2021-02-02 | 2021-06-01 | 天长市超威电子有限公司 | Anti-vibration storage device for electronic transformer transportation based on clamping fixation |
| CN113390588A (en) * | 2021-07-06 | 2021-09-14 | 上海应用技术大学 | Air tightness detection device and method for sealing bag |
| CN113716224A (en) * | 2021-09-10 | 2021-11-30 | 无锡市迈特动力机械有限公司 | Vapour fortune frame convenient to fixed engine |
| CN113702774A (en) * | 2021-09-29 | 2021-11-26 | 国网甘肃省电力公司白银供电公司 | Portable earth fault position measuring instrument for overhead line |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200407 |
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