CN209472330U - A kind of exposed spool protective device of electrical engineering - Google Patents
A kind of exposed spool protective device of electrical engineering Download PDFInfo
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- CN209472330U CN209472330U CN201920345809.6U CN201920345809U CN209472330U CN 209472330 U CN209472330 U CN 209472330U CN 201920345809 U CN201920345809 U CN 201920345809U CN 209472330 U CN209472330 U CN 209472330U
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- upper tube
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Abstract
The utility model relates to a kind of exposed spool protective devices of electrical engineering, including the first shield segment, first shield segment both ends are symmetrically connected with the first connecting plate, the outer side of first connecting plate is equipped with the second connecting plate, the outer side of second connecting plate is fixedly connected to the second shield segment, the outer side of second shield segment is equipped with sealing end, sun-proof device is symmetrically arranged between first connecting plate, second shield segment includes the first upper tube body, first lower tube body, first upper tube body is located at the first lower tube body bottom, bottom symmetrical is connected with the first mounting plate at left and right sides of first upper tube body, both ends bottom symmetrical is connected with the second mounting plate on the right side of first lower tube body, effectively protect the quality of spool, substantially prolong service life, reduce economic loss, it being capable of more flexible reinforcement protection The sealing performance of device, applicability greatly improve, and effectively raise the service life of protective device.
Description
Technical field
The utility model relates to a kind of exposed spool protective devices of electrical engineering, belong to spool protection technique field.
Background technique
Electrical engineering, abbreviation EE are the core subjects and crucial subject in modern science and technology field, such as exactly electronic technology
Huge advance just pushed the arrival of the information age based on computer network, and the life and work mould that the mankind will be changed
Formula, with the development of society and the progress of science and technology, electrical engineering has become the mainstream technology of social development, electrician
Journey is core subjects and crucial subject in modern science and technology field, and also the exactly huge advance of electronic technology has just been pushed to calculate
The arrival of information age based on machine network is frequently present of some exposed spools, greatly in the work progress of electrical engineering
Most exposed spools do not have protective device, in the work progress of electrical engineering, often there is some exposed spools, mesh
Preceding to cover spool simply by plastic closure, poor sealing effect, spool is easy aging, and be exposed to the sun under the sun will lead to for a long time
Tube body rupture, and plastic closure protecting effect is poor, and spool is damaged vulnerable to impact, reduces service life, effectively causes economy
Loss, for this purpose, providing a kind of exposed spool protective device of electrical engineering.
Utility model content
The technical problems to be solved in the utility model overcomes existing defect, provides a kind of exposed spool protection of electrical engineering
Device can effectively solve the problems in background technique.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of exposed spool protective device of electrical engineering, including the first shield segment, first shield segment both ends symmetrically connect
It is connected to the first connecting plate, the outer side of the first connecting plate is equipped with the second connecting plate, and the outer side of the second connecting plate is equal
It is fixedly connected with the second shield segment, the outer side of the second shield segment, which is equipped with, seals end, between first connecting plate
It is symmetrically arranged with sun-proof device, second shield segment includes the first upper tube body, the first lower tube body, and first upper tube body is located at the
Bottom once, the first upper tube body left and right sides bottom symmetrical are connected with the first mounting plate, and first lower tube body is right
Side both ends bottom symmetrical is connected with the second mounting plate, and first upper tube body and the first lower tube body opposite side have dug first
Arc groove is fixedly connected to telescopic spring bar on the first arc groove inner wall, and the telescopic spring bar passes through activity
End is fixedly connected to the first protective plate, has dug threaded hole on the outside of first arc groove, first mounting plate with
Second mounting plate opposite side is fixedly connected to sealing bed course, and first shield segment includes the second upper tube body, the second down tube
Body, second lower tube body are located at the second upper tube body bottom, and bottom symmetrical is connected with third at left and right sides of second upper tube body
Mounting plate, bottom symmetrical is connected with the 4th mounting plate at left and right sides of second lower tube body, under second upper tube body and second
Tube body opposite side has dug the second arc groove, is connected with buffering on the second arc groove inner wall of second upper tube body
Layer, is equidistantly connected with damping spring on the second arc groove inner wall of second lower tube body, at the top of the damping spring with it is slow
It rushes on layer inner wall and is fixedly connected to the second protective plate.
Furthermore, it is fixedly connected between the sun-proof device, the outer side of sun-proof device connects with first respectively
It is fixedly connected on the inside of fishplate bar, and the sun-proof device is located above the first shield segment.
Furthermore, first mounting plate is connect with the second mounting plate, third mounting plate with the 4th mounting plate, first
It is fixedly connected respectively by fixing bolt between plate and the second connecting plate.
Furthermore, the sealing bed course bottom of first mounting plate equidistantly digs fluted mouth, second installation
Protruding block equidistantly is dug at the top of the sealing bed course of plate, the groove port is connected together with protruding block.
Furthermore, foam-rubber cushion is filled in the buffer layer inner cavity, first protective plate and the second protective plate are equal
For arcuate structure.
Furthermore, the sealing end includes ring body, has dug the first groove on the inner wall of ring body, and described first
Inside grooves are connected with seal washer, are equidistantly equipped with connecting hole in the ring body, the ring body is connected with by connecting hole
Bolt is connected, the ring body is threadedly coupled fixation by connecting bolt with threaded hole respectively.
Furthermore, the sun-proof device includes the body of rod, and the body of rod two sides, which penetrate through, is equipped with opening, in the body of rod
Wind-up roll is symmetrically arranged in chamber, the wind-up roll both ends pass through clockwork spring respectively and are fixedly connected with body of rod inner wall both ends.
Furthermore, winding is connected with sun-proof net on the outside of the wind-up roll, and described sun-proof net one end is respectively connected with retaining ring,
The diameter of the retaining ring is greater than the height of opening.
Furthermore, the second groove, the second groove intracavity bottom have equidistantly been dug on the outside of second upper tube body
It is fixedly connected with heat-sink shell.
The utility model is the utility model has the advantages that the utility model relates to a kind of exposed spool protective devices of electrical engineering, by setting
The first connecting plate and the second connecting plate are set, makes to be fixed between the first connecting plate and the second connecting plate by fixing bolt, energy
So that the second shield segment and the first shield segment both ends is attached fixation, so that single unit system is carried out disassembly installation, leads to
The first upper tube body of setting and the second upper tube body are crossed, by connecting between the first mounting plate and the second mounting plate by the way that fixing bolt is fixed
Connect, can will be fixed between the first upper tube body and the second upper tube body, can be to the first upper tube body and the second upper tube body inside
Spool protected, by the way that telescopic spring bar is arranged, damping can be carried out to the spool that is placed on the first antiskid plate, first
Upper tube body merges with the second upper tube body makes two the first protective plates form a cylinder to match with spool diameter, can
To being protected on the outside of spool both ends, when encountering foreign impacts power, effectively balances out impact force or the multi-thread pipe of pressure causes
Damage, while different size spool surroundings can be resisted, it can prevent spool from generating shaking in the second shield segment, greatly
The stability to spool is strengthened greatly, by the second upper tube body of setting and the second lower tube body, third mounting plate and third mounting plate
It is attached by fixing bolt, splices and combines the second upper tube body with the second lower tube body, the second protective plate is made to form one
A cylinder as the first protection panel aperture, carries out installation protection to outside in the middle part of spool, by the way that buffer layer, Neng Gou is arranged
When generation personnel trample, the top of spool can be protected, the foam-rubber cushion inside buffer layer can reduce extraneous gravity to spool
Caused by pressure, by be arranged damping spring, spool causes stress the second protective plate of lower section during trampling, damping bullet
Spring can reduce the vibration amplitude of the second protective plate of lower section, effectively protects the quality of spool, substantially prolongs using the longevity
Life reduces economic loss, and by the way that seal washer is arranged, the gasket equal with spool wall thickness can be installed in the first groove
Circle, is capable of the sealing performance of more flexible reinforcement protective device, and applicability greatly improves, by the way that the body of rod is arranged, can pass through
Retaining ring is pulled, is respectively pulled out the sun-proof net wound on wind-up roll, with the fixing bolt on third mounting plate and the 4th mounting plate
Buckle fixation is carried out, the sun-proof net after expansion can carry out sun-proof processing to the first shield segment, prevent single unit system in the external world
It is exposed to the sun and device is damaged, effectively raise the service life of protective device.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
Fig. 1 is a kind of exposed spool protective device surface structure schematic diagram of electrical engineering of the utility model.
Fig. 2 is a kind of the second shield segment cross-section structure signal of the exposed spool protective device of electrical engineering of the utility model
Figure.
Fig. 3 is a kind of the first shield segment cross-section structure signal of the exposed spool protective device of electrical engineering of the utility model
Figure.
Fig. 4 is a kind of sealing end surface structure schematic diagram of the exposed spool protective device of electrical engineering of the utility model.
Fig. 5 is a kind of sun-proof device the schematic diagram of the section structure of the exposed spool protective device of electrical engineering of the utility model.
Figure label: 1, the first shield segment；2, the first connecting plate；3, the second connecting plate；4, the second shield segment；5, sealed end
Head；6, sun-proof device；7, the first upper tube body；8, the first lower tube body；9, the first mounting plate；10, the second mounting plate；11, the first arc
Connected in star；12, telescopic spring bar；13, the first protective plate；14, threaded hole；15, bed course is sealed；16, the second upper tube body；17,
Two lower tube bodies；18, third mounting plate；19, the 4th mounting plate；20, the second arc groove；21, buffer layer；22, damping spring；
23, the second protective plate；24, groove port；25, protruding block；26, foam-rubber cushion；27, ring body；28, the first groove；29, seal washer；
30, bolt is connected；31, the body of rod；32, it is open；33, wind-up roll；34, sun-proof net；35, retaining ring；36, the second groove.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As Figure 1-Figure 5, the exposed spool protective device of a kind of electrical engineering, including the first shield segment 1, described first is anti-
Shield 1 both ends of section are symmetrically connected with the first connecting plate 2, and the outer side of first connecting plate 2 is equipped with the second connecting plate 3, by setting
The first connecting plate 2 and the second connecting plate 3 are set, makes to be consolidated between the first connecting plate 2 and the second connecting plate 3 by fixing bolt
It is fixed, the second shield segment 4 and 1 both ends of the first shield segment can be made to be attached fixation, conveniently single unit system can be made to be dismantled
Installation, the outer side of second connecting plate 3 are fixedly connected to the second shield segment 4, and the outer side of second shield segment 4 is equal
Equipped with sealing end 5, sun-proof device 6 is symmetrically arranged between first connecting plate 2, second shield segment 4 includes on first
Tube body 7, the first lower tube body 8 pass through the first mounting plate 9 and the second installation by the first upper tube body 7 of setting and the second upper tube body 8
It is fixedly connected, can will be fixed between the first upper tube body 7 and the second upper tube body 8 by fixing bolt between plate 10, it can
First upper tube body 7 and the spool inside the second upper tube body 8 are protected, first upper tube body 7 is located at 8 bottom of the first lower tube body
Portion, 7 left and right sides bottom symmetrical of the first upper tube body are connected with the first mounting plate 9, the 8 right side both ends bottom of the first lower tube body
Portion is symmetrically connected with the second mounting plate 10, and first upper tube body 7 and 8 opposite side of the first lower tube body have dug the first arc
Groove 11 is fixedly connected to telescopic spring bar 12 on first arc groove, 11 inner wall, passes through setting telescopic spring bar
12, damping can be carried out to the spool being placed on the first antiskid plate 13, the first upper tube body 7 merges with the second upper tube body 8 makes two
A first protective plate 13 forms a cylinder to match with spool diameter, can protect spool both ends outside,
When encountering foreign impacts power, effectively balances out impact force or the multi-thread pipe of pressure damages, while can be to different sizes
Spool surrounding is resisted, and can be prevented spool from generating shaking in the second shield segment 4, greatly reinforced the stabilization to spool
Property, the telescopic spring bar 12 is fixedly connected to the first protective plate 13,11 outside of the first arc groove by movable end
Threaded hole 14 has been dug, first mounting plate 9 and 10 opposite side of the second mounting plate are fixedly connected to sealing bed course 15,
First shield segment 1 includes the second upper tube body 16, the second lower tube body 17, passes through the second upper tube body 16 of setting and the second down tube
Body 17, third mounting plate 18 are attached with third mounting plate 19 by fixing bolt, and the second upper tube body 16 and the second down tube are made
Body 17 is spliced and combined, and so that the second protective plate 23 is formed a cylinder as 13 aperture of the first protective plate, in spool
Installation protection is carried out on the outside of portion, second lower tube body 17 is located at 16 bottom of the second upper tube body, second upper tube body 16 or so
Two sides bottom symmetrical is connected with third mounting plate 18, and 17 left and right sides bottom symmetrical of the second lower tube body is connected with the 4th installation
Plate 19, second upper tube body 16 and 17 opposite side of the second lower tube body have dug the second arc groove 20, on described second
It is connected with buffer layer 21 on 20 inner wall of the second arc groove of tube body 16, by the way that buffer layer 21 is arranged, can be stepped in generation personnel
When stepping on, the top of spool can be protected, the foam-rubber cushion 26 inside buffer layer 21 can reduce extraneous gravity caused by spool
Pressure is equidistantly connected with damping spring 22 on 20 inner wall of the second arc groove of second lower tube body 17, passes through setting damping
Spring 22, spool causes stress the second protective plate 23 of lower section during trampling, and damping spring 22 can reduce lower section
The vibration amplitude of second protective plate 23, effectively protects the quality of spool, substantially prolongs service life, reduces economy
It loses, is fixedly connected to the second protective plate 23 on 22 top of damping spring and 21 inner wall of buffer layer.
More specifically, it is fixedly connected between the sun-proof device 6, the outer side of the sun-proof device 6 is respectively with first
It is fixedly connected on the inside of connecting plate 2, and the sun-proof device 6 is located at 1 top of the first shield segment, first mounting plate 9 and second
Pass through fixation respectively between mounting plate 10, third mounting plate 18 and the 4th mounting plate 19, the first connecting plate 2 and the second connecting plate 3
Bolt 24 is fixedly connected, and 15 bottom of sealing bed course of first mounting plate 9 equidistantly digs fluted mouth 24, second installation
15 top of sealing bed course of plate 10 has equidistantly dug protruding block 25, and the groove port 24 is connected together with protruding block 25, described slow
It rushes filled with foam-rubber cushion 26 in 21 inner cavity of layer, first protective plate 13 and the second protective plate 23 are arcuate structure, described close
Blocking head 5 includes ring body 27, has dug the first groove 28 on 27 inner wall of ring body, first groove 28 is internally connected with close
Seal washer 29 can install the seal washer 29 equal with spool wall thickness by setting seal washer 29 in the first groove 28,
It is capable of the sealing performance of more flexible reinforcement protective device, applicability greatly improves, and connection is equidistantly equipped in the ring body 27
Hole, the ring body 27 by connecting hole be connected with connection bolt 30, the ring body 27 by connection bolt 30 respectively with spiral shell
Pit 14, which is threadedly coupled, to be fixed, and the sun-proof device 6 includes the body of rod 31, can be by pulling retaining ring by the way that the body of rod 31 is arranged
35, the sun-proof net 34 wound on wind-up roll 33 is pulled out respectively, with the fixation spiral shell on third mounting plate 18 and the 4th mounting plate 19
Bolt carries out buckle fixation, the sun-proof net 34 after expansion, can carry out sun-proof processing to the first shield segment 1, prevent single unit system from existing
It is exposed to the sun in the external world and device is damaged, effectively raise the service life of protective device, 31 two sides of the body of rod penetrate through
Equipped with opening 32, it is symmetrically arranged with wind-up roll 33 in 31 inner cavity of the body of rod, 33 both ends of wind-up roll pass through clockwork spring respectively
It is fixedly connected with 31 inner wall both ends of the body of rod, winding is connected with sun-proof net 34, described 34 one end of sun-proof net on the outside of the wind-up roll 33
It is respectively connected with retaining ring 35, the diameter of the retaining ring 35 is greater than the height of opening 32, and 16 outside of the second upper tube body is equidistant
The second groove 36 is dug, 36 intracavity bottom of the second groove is fixedly connected with heat-sink shell.
When the utility model is used, making to be consolidated between the first connecting plate 2 and the second connecting plate 3 by fixing bolt
It is fixed, so that the second shield segment 4 and 1 both ends of the first shield segment is attached fixation, by the first mounting plate 9 and the second mounting plate 10 it
Between be fixedly connected by fixing bolt, can will be fixed between the first upper tube body 7 and the second upper tube body 8, can be to first
Upper tube body 7 is protected with the spool inside the second upper tube body 8, and the first upper tube body 7 merges with the second upper tube body 8 makes two first
Protective plate 13 forms a cylinder to match with spool diameter, can be to being placed on the when encountering foreign impacts power
Spool on one antiskid plate 13 carries out damping, the second upper tube body 16 and the second lower tube body 17, and third mounting plate 18 and third are installed
Plate 19 is attached by fixing bolt, is spliced and combined the second upper tube body 16 with the second lower tube body 17, is made the second protection
Plate 23 forms a cylinder as 13 aperture of the first protective plate, carries out installation protection to outside in the middle part of spool, people is occurring
When member tramples, the top of spool can be protected, the foam-rubber cushion 26 inside buffer layer 21 can reduce extraneous gravity and make to spool
At pressure, spool causes stress the second protective plate 23 of lower section, and damping spring 22 can reduce the second protective plate of lower section
23 vibration amplitude can install the seal washer 29 equal with spool wall thickness by seal washer 29 in the first groove 28,
It is capable of the sealing performance of more flexible reinforcement protective device, it is anti-by what is wound on wind-up roll 33 respectively by pulling retaining ring 35
It shines net 34 to pull out, carries out buckle fixation with the fixing bolt on third mounting plate 18 and the 4th mounting plate 19, it is sun-proof after expansion
Net 34 can carry out sun-proof processing to the first shield segment 1.
The above are the preferable embodiment of the utility model, the utility model those skilled in the art can also be to upper
It states embodiment to change and modify, therefore, the utility model is not limited to above-mentioned specific embodiment, all abilities
Field technique personnel made any conspicuous improvement, replacement or modification on the basis of the utility model belong to practical
Novel protection scope.
Claims (9)
1. a kind of exposed spool protective device of electrical engineering, including the first shield segment (1), which is characterized in that first protection
Section (1) both ends are symmetrically connected with the first connecting plate (2), and the outer side of first connecting plate (2) is equipped with the second connecting plate (3),
The outer side of second connecting plate (3) is fixedly connected to the second shield segment (4), the outer side of second shield segment (4)
It is equipped with sealing end (5), is symmetrically arranged with sun-proof device (6) between first connecting plate (2), second shield segment (4)
Including the first upper tube body (7), the first lower tube body (8), first upper tube body (7) is located at the first lower tube body (8) bottom, and described
Bottom symmetrical is connected with the first mounting plate (9) at left and right sides of one upper tube body (7), both ends bottom on the right side of first lower tube body (8)
It is symmetrically connected with the second mounting plate (10), first upper tube body (7) and the first lower tube body (8) opposite side have dug first
Arc groove (11) is fixedly connected to telescopic spring bar (12) on the first arc groove (11) inner wall, and the spring is stretched
Contracting bar (12) is fixedly connected to the first protective plate (13) by movable end, has been dug on the outside of first arc groove (11)
Threaded hole (14), first mounting plate (9) and the second mounting plate (10) opposite side are fixedly connected to sealing bed course (15),
First shield segment (1) includes the second upper tube body (16), the second lower tube body (17), and second lower tube body (17) is located at second
Upper tube body (16) bottom, bottom symmetrical is connected with third mounting plate (18) at left and right sides of second upper tube body (16), and described the
Bottom symmetrical is connected with the 4th mounting plate (19), second upper tube body (16) and the second down tube at left and right sides of two lower tube bodies (17)
Body (17) opposite side has been dug the second arc groove (20), in the second arc groove (20) of second upper tube body (16)
It is connected on wall buffer layer (21), is equidistantly connected with damping on the second arc groove (20) inner wall of second lower tube body (17)
Spring (22), at the top of the damping spring (22) be fixedly connected to the second protective plate (23) on buffer layer (21) inner wall.
2. the exposed spool protective device of a kind of electrical engineering according to claim 1, it is characterised in that: the sun-proof device
(6) it is fixedly connected between, the outer side of the sun-proof device (6) is fixedly connected with the first connecting plate (2) inside respectively, and described
Sun-proof device (6) is located above the first shield segment (1).
3. the exposed spool protective device of a kind of electrical engineering according to claim 1, it is characterised in that: first mounting plate
(9) with the second mounting plate (10), third mounting plate (18) and the 4th mounting plate (19), the first connecting plate (2) and the second connecting plate
(3) it is fixedly connected respectively by fixing bolt between.
4. the exposed spool protective device of a kind of electrical engineering according to claim 1, it is characterised in that: first mounting plate
(9) sealing bed course (15) bottom is equidistantly dug fluted mouth (24), sealing bed course (15) top of second mounting plate (10)
Portion has equidistantly been dug protruding block (25), and the groove port (24) is connected together with protruding block (25).
5. the exposed spool protective device of a kind of electrical engineering according to claim 1, it is characterised in that: the buffer layer (21)
Foam-rubber cushion (26) are filled in inner cavity, first protective plate (13) and the second protective plate (23) are arcuate structure.
6. the exposed spool protective device of a kind of electrical engineering according to claim 1, it is characterised in that: the sealing end
(5) include ring body (27), dug the first groove (28) on ring body (27) inner wall, connection inside first groove (28)
Have seal washer (29), connecting hole is equidistantly equipped on the ring body (27), the ring body (27) is connected with by connecting hole
It connects bolt (30), the ring body (27) is threadedly coupled fixation with threaded hole (14) respectively by connecting bolt (30).
7. the exposed spool protective device of a kind of electrical engineering according to claim 1, it is characterised in that: the sun-proof device
It (6) include the body of rod (31), the body of rod (31) two sides, which penetrate through, is equipped with opening (32), is symmetrically arranged in the body of rod (31) inner cavity
Wind-up roll (33), wind-up roll (33) both ends pass through clockwork spring respectively and are fixedly connected with the body of rod (31) inner wall both ends.
8. the exposed spool protective device of a kind of electrical engineering according to claim 7, it is characterised in that: the wind-up roll (33)
Outside winding be connected with sun-proof net (34), described sun-proof net (34) one end is respectively connected with retaining ring (35), the retaining ring (35) it is straight
Diameter size is greater than the height of opening (32).
9. the exposed spool protective device of a kind of electrical engineering according to claim 1, it is characterised in that: second upper tube body
(16) outside has equidistantly been dug the second groove (36), and the second groove (36) intracavity bottom is fixedly connected with heat-sink shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920345809.6U CN209472330U (en) | 2019-03-19 | 2019-03-19 | A kind of exposed spool protective device of electrical engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920345809.6U CN209472330U (en) | 2019-03-19 | 2019-03-19 | A kind of exposed spool protective device of electrical engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209472330U true CN209472330U (en) | 2019-10-08 |
Family
ID=68093780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920345809.6U Expired - Fee Related CN209472330U (en) | 2019-03-19 | 2019-03-19 | A kind of exposed spool protective device of electrical engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209472330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890098A (en) * | 2020-03-24 | 2020-11-06 | 黑马赵防护技术(青岛)有限公司 | Buckle arc slider |
-
2019
- 2019-03-19 CN CN201920345809.6U patent/CN209472330U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890098A (en) * | 2020-03-24 | 2020-11-06 | 黑马赵防护技术(青岛)有限公司 | Buckle arc slider |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191008 Termination date: 20200319 |