CN209786290U - Mining explosion-proof cable connector - Google Patents
Mining explosion-proof cable connector Download PDFInfo
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- CN209786290U CN209786290U CN201920931817.9U CN201920931817U CN209786290U CN 209786290 U CN209786290 U CN 209786290U CN 201920931817 U CN201920931817 U CN 201920931817U CN 209786290 U CN209786290 U CN 209786290U
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- sleeve
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Abstract
The utility model discloses a mining flame-proof cable connector, which relates to the technical field of mining connecting devices, and the key points of the technical proposal comprise a plug connecting part and a socket connecting part matched with the plug connecting part in a clamping way, wherein the socket connecting part is sleeved with a first connecting sleeve, and the first connecting sleeve and the socket connecting part are fixed by arranging a first bolt; the first connecting sleeve and the second connecting sleeve are fixedly connected by at least two third bolts; keep away from on the second adapter sleeve a pot head of socket connection portion is established on plug connection portion, the second adapter sleeve with plug connection portion realizes fixedly through being provided with the second bolt, the utility model discloses have convenient separation plug connection portion and socket connection portion, simple structure, reduce spare part quantity, reduce effects such as processing cost, simple to operate, reduction volume.
Description
Technical Field
the utility model relates to a mining connecting device's technical field, more specifically say, it relates to a mining flame-proof type cable connector.
Background
The mining explosion-proof cable connector is mainly used in the coal mine and the environment with explosive gas mixture of coal dust, methane and the like around the coal mine, is used as a connecting device between a control cable and explosion-proof electrical switch equipment in a power system, and can also be used as an information communication cable connector under the coal mine.
In the prior art, a chinese patent with an authorization publication number of CN203481413U discloses a multi-core mining flameproof cable connector, which includes a plug component and a socket component, wherein the socket component includes a flameproof socket housing component, a porous socket insulating component is arranged inside the socket component, and a plug bush component is arranged inside each socket insulating component; the plug component comprises a flameproof plug shell component, a porous plug insulating component is arranged in the flameproof plug shell component, an inserting rod component is arranged in each plug insulating component, and the inserting rod components are matched with the inserting sleeve components, so that the inserting rod components are just inserted into the inserting sleeve components. When the socket is used, the plug component with the installed cable is inserted into the socket component, and after the plug component is completely in place, a hexagonal bolt sequentially penetrates through a bolt hole of the plug component and a screw hole of the socket component to fasten the plug component and the socket component together.
the connector is the same as a common connector, after a plug component is inserted into a socket component, in order to keep the connection stability of the plug component and the socket component, at least two groups of bolt and nut are matched, when the plug component and the socket component need to be plugged and unplugged for multiple times, two bolts need to be unscrewed or fixed every time, the operation is inconvenient, and improvement needs to be carried out.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a mining flame-proof type cable connector has the effect of convenient separation plug connecting portion and socket connecting portion.
In order to achieve the above purpose, the utility model provides a following technical scheme: a mining explosion-proof cable connector comprises a plug connecting part and a socket connecting part in clamping fit with the plug connecting part, wherein a first connecting sleeve is sleeved on the socket connecting part, and the first connecting sleeve and the socket connecting part are fixed by arranging a first bolt; the first connecting sleeve and the second connecting sleeve are fixedly connected by at least two third bolts; a sleeve far away from the socket connecting part on the second connecting sleeve is sleeved on the plug connecting part, and the second connecting sleeve and the plug connecting part are fixed through a second bolt.
by adopting the technical scheme, in the whole installation process, the socket connecting part and the conductive part on the equipment are fixed firstly, then the first connecting sleeve and the socket connecting part are fixed through the first bolt, then the second connecting sleeve is sleeved on the first connecting sleeve, the first connecting sleeve and the second connecting sleeve are fixed through screwing the third bolt, finally the plug connecting part is inserted into the second connecting sleeve and is fixed through the second bolt, when the plug connecting part and the socket connecting part need to be separated, only the second bolt between the second connecting sleeve and the plug connecting part needs to be loosened, as the plug connecting part is inserted into the second connecting sleeve, the mismatching and the stable movement are not easy to occur, and in order to ensure that the plug connecting part and the second connecting sleeve are relatively fixed, only one bolt needs to be arranged, when the plug is required to be pulled out and inserted for many times, only one second bolt needs to be loosened or screwed, and the plug has the effect of being convenient to pull out and insert. Meanwhile, the conductive connecting part between the plug connecting part and the socket connecting part is provided with at least a first connecting sleeve and a second connecting sleeve at the outer side, so that the sealing effect is improved.
the utility model discloses further set up to: and a first sealing ring is arranged between the first connecting sleeve and the outer side wall of the socket connecting part.
Through adopting above-mentioned technical scheme, increase the leakproofness between first connecting sleeve and the socket connecting portion.
The utility model discloses further set up to: and a second sealing ring is arranged between the second connecting sleeve and the outer side wall of the plug connecting part.
By adopting the technical scheme, the sealing performance between the second connecting sleeve and the plug connecting part is improved
The utility model discloses further set up to: and a third sealing ring is arranged between the first connecting sleeve and the second connecting sleeve.
Through adopting above-mentioned technical scheme, increase the leakproofness between first adapter sleeve and the second adapter sleeve.
The utility model discloses further set up to: the plug connecting part comprises a conductive convex rod, the socket connecting part comprises a conductive concave rod matched with the conductive convex rod, and the conductive concave rod comprises an inner ring layer, a middle ring layer and an outer ring layer; the inner diameter of the inner ring layer is smaller than the diameter of the conductive protruding rod, an inner deformation groove is formed in the inner ring layer, a middle deformation groove is formed in the middle ring layer, and an outer deformation groove is formed in the outer ring layer.
Through adopting above-mentioned technical scheme, when electrically conductive protruding pole inserted to electrically conductive concave pole in, the one end of electrically conductive protruding pole inserted to interior ring layer earlier and made interior ring layer open greatly, and well ring layer opens greatly simultaneously, and outer ring layer opens greatly at last, has strengthened the stability after electrically conductive protruding pole and electrically conductive concave pole are pegged graft, still has the effect of inhibiting well ring layer excessive deformation.
The utility model discloses further set up to: the inner ring layer is provided with an inclined plane which is convenient for the insertion of the conductive convex rod.
By adopting the technical scheme, one end of the conductive convex rod can be conveniently inserted into the middle ring layer.
The utility model discloses further set up to: the number of the conductive convex rods is four, the conductive concave rods are arranged corresponding to the conductive convex rods, and the plug connecting part comprises a plug insulator for inserting and limiting the four conductive convex rods; the socket connecting part comprises a socket insulator for four conductive concave rods to be inserted and limited; when the plug connecting part is in clamping fit with the socket connecting part, the conductive convex rod is inserted into the conductive concave rod, and the plug insulator is contacted with the socket insulator.
Through adopting above-mentioned technical scheme, a plurality of electrically conductive protruding poles set up the effect that has the stability after improving the connection, and the plug insulator has the effect of stabilizing electrically conductive protruding pole, and the socket insulator has the effect of stabilizing electrically conductive concave pole, and a plurality of electrically conductive protruding poles of further being convenient for insert the alignment to a plurality of electrically conductive recess.
The utility model discloses further set up to: a lower edge groove is formed in the plug insulator, and a convex ring is integrally formed on the inner side of the second connecting sleeve; when the plug connecting part and the socket connecting part are fixedly connected, the conductive convex rod is inserted into the conductive concave rod, and the side wall of the convex ring at the moment is contacted with the groove wall of the lower edge groove.
Through adopting above-mentioned technical scheme, restricted plug connecting portion and can inserted the maximum degree of depth to the socket connecting portion in, avoided electrically conductive protruding pole to insert too deeply to electrically conductive concave pole, on the basis of guaranteeing the electricity to connect, the separation of the plug connecting portion of being convenient for and socket connecting portion.
The utility model discloses further set up to: the side body of the socket insulator is provided with a plane end, the inner side of the first connecting sleeve is integrally provided with a limiting lug, and after the socket insulator is inserted into the first connecting sleeve, the limiting lug is contacted with the plane end and limits the socket insulator and the first connecting sleeve to rotate relatively.
Through adopting above-mentioned technical scheme, have the effect of the later stage assembly of being convenient for.
The utility model discloses further set up to: the plug connecting part and the socket connecting part respectively comprise a stabilizing disc, through holes for the grounding core wires to pass through are formed in the stabilizing disc, screw holes are further formed in the stabilizing disc, the purpose of compressing the grounding core wires in the cable is achieved by adopting a mode that screws are screwed into the screw holes, the other ends of the screws in the plug connecting part are in contact with and conducted with the second connecting sleeve, and therefore the second connecting sleeve is conducted with the grounding core wires; the other end of the screw located in the socket connecting portion contacts and is conducted with the first connecting sleeve, and therefore conduction of the first connecting sleeve and the grounding core wire is achieved.
By adopting the technical scheme, the device has the effects of ensuring zero potential and ensuring the safety of operating personnel.
To sum up, the utility model discloses through setting up first adapter sleeve and second adapter sleeve, carry out first bolted connection with socket connecting portion with first adapter sleeve, carry out bolted connection with first adapter sleeve and second adapter sleeve again, finally connect plug connecting portion with second adapter sleeve bolted connection, because plug connecting portion insert in second adapter sleeve on the one hand, so only need set up a second bolt can make plug connecting portion and socket connecting portion fix; on the other hand, the first connecting sleeve and the second connecting sleeve are positioned on the outer sides of the plug connecting part and the socket connecting part and are matched with the first sealing ring, the second sealing ring and the second sealing ring, so that the sealing performance of the plug connecting part and the socket connecting part after connection is enhanced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
Fig. 2 is a schematic sectional structure of the present invention;
Fig. 3 is an exploded view of the local structure of the present invention;
FIG. 4 is an exploded view of FIG. 3 with a portion broken away;
FIG. 5 is an enlarged schematic view at A in FIG. 4;
Fig. 6 is an exploded view of a portion of the first coupling sleeve and socket insulator of the present invention;
Fig. 7 is a schematic sectional view of the partial structure of the screw hole of the present invention.
Reference numerals: 1. a plug connecting portion; 2. a socket connecting portion; 3. a first connecting sleeve; 4. a first bolt; 5. a second connecting sleeve; 6. a second bolt; 7. a conductive protruding rod; 8. a plug insulator; 9. a conductive concave bar; 10. a socket insulator; 11. a lower edge groove; 12. a convex ring; 13. an inner ring layer; 14. a middle ring layer; 15. an outer ring layer; 16. an inner deformation groove; 17. a medium deformation groove; 18. a shape-changing groove; 19. a first seal ring; 20. a second seal ring; 21. a third seal ring; 22. a third bolt; 23. a planar end; 24. a limiting bump; 25. a stabilizing disc; 26. a via hole; 27. screw holes; 28. bolt holes.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The embodiment discloses a mining explosion-proof cable connector, as shown in fig. 1 and 2, the mining explosion-proof cable connector comprises a plug connecting part 1 and a socket connecting part 2 in clamping fit with the plug connecting part 1. The plug connecting part 1 is fixedly connected with the external cable through a bolt, the socket connecting part 2 is connected with the conductive part of the equipment through a bolt, and the equipment is electrically connected with the external cable through the connection of the socket connecting part 2 and the plug connecting part 1.
As shown in fig. 2 and 3, a first connecting sleeve 3 is sleeved outside one end of the socket connecting part 2 close to the plug connecting part 1, and the first connecting sleeve 3 and the plug connecting part 1 are fixedly connected by a first bolt 4; the outer side of part of the entity of the first connecting sleeve 3 is sleeved with a second connecting sleeve 5, and the first connecting sleeve 3 and the second connecting sleeve 5 are connected and fixed through two third bolts 22; one end of the plug connecting part 1 is inserted into the second connecting sleeve 5 and is fixedly connected with the second connecting sleeve 5 through a second bolt 6.
As shown in fig. 2 and 4, the plug connecting portion 1 includes four conductive protruding rods 7 and a plug insulator 8 for stabilizing the four conductive protruding rods 7, a through hole for the conductive protruding rod 7 to pass through is formed in the plug insulator 8, and the outer side of the plug insulator 8 is fixed to the inner side wall of the housing of the plug connecting portion 1, so that the four conductive protruding rods 7 are fixed relative to the housing of the plug connecting portion 1. The socket connecting part 2 comprises four conductive concave rods 9 and a socket insulator 10 for inserting and limiting the conductive concave rods 9, and the socket insulator 10 is fixed with the inner side wall of the shell of the socket connecting part 2, so that the four conductive concave rods 9 are fixed relative to the shell of the socket connecting part 2. Four electrically conductive concave poles 9 and four electrically conductive protruding poles 7 one-to-one setting, when plug connecting portion 1 is connected the cooperation with socket connecting portion 2 completely, electrically conductive protruding pole 7 inserts to electrically conductive concave pole 9 in, the setting of a plurality of electrically conductive protruding poles 7 and a plurality of electrically conductive concave pole 9 has the effect of the stability after the enhancement connection.
As shown in fig. 6, the side of the socket insulator 10 is provided with a flat end 23, and a limit protrusion 24 is integrally formed on the inner side of the first coupling sleeve 3, and when the socket insulator 10 is inserted into the first coupling sleeve 3, the limit protrusion 24 contacts the flat end 23 and limits the socket insulator 10 and the first coupling sleeve 3 from rotating relatively. After the first coupling sleeve 3 is inserted into the socket insulator 10, the relative position of the first coupling sleeve 3 and the socket insulator 10 is restricted, facilitating later assembly.
As shown in fig. 2 and 4, the plug insulator 8 is provided with a lower edge groove 11, and a convex ring 12 is integrally formed inside the second connecting sleeve 5; when the plug connector 1 and the socket connector 2 are connected and fixed, the conductive male rod 7 is inserted into the conductive female rod 9, and the side wall of the male ring 12 is in contact with the wall of the lower edge groove 11. The maximum depth that plug connecting portion 1 can insert to socket connecting portion 2 is restricted, avoids electrically conductive protruding pole 7 to insert to electrically conductive concave pole 9 in too deeply, on the basis of guaranteeing the electricity to connect, the separation of plug connecting portion 1 and socket connecting portion 2 of being convenient for.
As shown in fig. 2 and 5, the conductive concave bar 9 includes an inner ring layer 13, a middle ring layer 14, and an outer ring layer 15. The internal diameter of interior ring layer 13 is less than the diameter of electrically conductive nose bar 7, it has four internal deformation grooves 16 to open on interior ring layer 13, it has one internal deformation groove 17 to open on well ring layer 14, it has four appearance deformation grooves 18 to open on outer ring layer 15, when electrically conductive nose bar 7 inserts in electrically conductive concave bar 9, the one end of electrically conductive nose bar 7 inserts earlier to interior ring layer 13 and makes interior ring layer 13 open greatly, well ring layer 14 opens greatly simultaneously, outer ring layer 15 opens greatly at last, the stability after electrically conductive nose bar 7 and electrically conductive concave bar 9 peg graft has been strengthened, the effect of ring layer 14 excessive deformation in still having the suppression. The inner ring layer 13 is provided with a slope for facilitating the insertion of the conductive convex rod 7.
as shown in fig. 2 and 3, a first sealing ring 19 is disposed between the first connecting sleeve 3 and the outer sidewall of the socket connecting portion 2 to increase the sealing performance between the first connecting sleeve 3 and the socket connecting portion 2; a second sealing ring 20 is arranged between the second connecting sleeve 5 and the outer side wall of the plug connecting part 1, so that the sealing property between the second connecting sleeve 5 and the plug connecting part 1 is improved; a third sealing ring 21 is arranged between the first connecting sleeve 3 and the second connecting sleeve 5, so that the sealing property between the first connecting sleeve 3 and the second connecting sleeve 5 is improved.
As shown in fig. 3 and 7, one set of the four conductive male rods 7 and the four conductive female rods 9, which are connected and conducted, is used for connecting the grounding core wire. The conductive convex rod 7 and the conductive concave rod 9 are provided with bolt holes 28, and after the grounding core wire or other conducting wires are inserted into the conductive convex rod 7 or the conductive concave rod 9, the grounding core wire or other conducting wires are fixedly connected with the conductive convex rod 7 or the conductive concave rod 9 by screwing bolts into the bolt holes 28. The plug connecting part 1 and the socket connecting part 2 both comprise a stabilizing disc 25, a through hole 26 for a grounding core wire to pass through is formed in the stabilizing disc 25, a screw hole 27 is further formed in the stabilizing disc 25, the purpose of compressing the grounding core wire in the cable is achieved by screwing a screw into the screw hole 27, the other end of the screw in the plug connecting part 1 is in contact with and conducted with the second connecting sleeve 5, and therefore conduction of the second connecting sleeve 5 and the grounding core wire is achieved; the other end of the screw positioned in the socket connecting part 2 is contacted with the first connecting sleeve 3 and is conducted, so that the first connecting sleeve 3 is conducted with the grounding core wire; the zero potential is ensured, and the safety of the operating personnel is ensured.
It should be mentioned that, compare all the cover on plug connecting portion 1 and socket connecting portion 2 and be equipped with the connector (the connector is equivalent to first adapter sleeve 3), then establish the mode of visor (the visor is equivalent to second adapter sleeve 5) on two connector, this application is directly connected second adapter sleeve 5 and plug connecting portion 1, has effects such as connector simple structure, reduction spare part quantity, reduction processing cost, simple to operate, reduction volume.
The specific working conditions and effects are as follows:
In the whole installation process, firstly, the socket connecting part 2 is fixed with a conductive part on the equipment, then the first connecting sleeve 3 is fixed with the socket connecting part 2 through the first bolt 4, then the second connecting sleeve 5 is sleeved on the first connecting sleeve 3, the first connecting sleeve 3 is fixed with the second connecting sleeve 5 by screwing the third bolt 22, finally the plug connecting part 1 is inserted into the second connecting sleeve 5 and is fixed through the second bolt 6, when the plug connecting part 1 and the socket connecting part 2 need to be separated, only the second bolt 6 between the second connecting sleeve 5 and the plug connecting part 1 needs to be loosened, because the plug connecting part 1 is inserted into the second connecting sleeve 5, the mismatching and the movement stability are not easy to occur, in order to relatively fix the plug connecting part 1 and the second connecting sleeve 5, only one bolt needs to be arranged, when the plug needs to be pulled out and inserted for many times, only one second bolt 6 needs to be loosened or screwed, and the plug has the effect of being convenient to pull out and insert. Meanwhile, the conductive connecting part between the plug connecting part 1 and the socket connecting part 2 is at least provided with the first connecting sleeve 3 and the second connecting sleeve 5 at the outer side, so that the sealing performance is improved.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. the utility model provides a mining flame-proof type cable connector, including plug connecting portion (1) and with plug connecting portion (1) joint complex socket connecting portion (2), characterized by: the socket connecting part (2) is sleeved with a first connecting sleeve (3), and the first connecting sleeve (3) and the socket connecting part (2) are fixed through a first bolt (4); the connecting device also comprises a second connecting sleeve (5) positioned on the outer side of part of the first connecting sleeve (3), and at least two third bolts (22) are arranged between the first connecting sleeve (3) and the second connecting sleeve (5) to realize fixed connection; keep away from on second adapter sleeve (5) a pot head of socket connecting portion (2) is established on plug connecting portion (1), second adapter sleeve (5) with plug connecting portion (1) is realized fixing through being provided with second bolt (6).
2. The mining flameproof cable connector according to claim 1, characterized in that: a first sealing ring (19) is arranged between the first connecting sleeve (3) and the outer side wall of the socket connecting part (2).
3. the mining flameproof cable connector according to claim 1, characterized in that: and a second sealing ring (20) is arranged between the second connecting sleeve (5) and the outer side wall of the plug connecting part (1).
4. The mining flameproof cable connector according to claim 1, characterized in that: and a third sealing ring (21) is arranged between the first connecting sleeve (3) and the second connecting sleeve (5).
5. The mining flameproof cable connector according to claim 1, characterized in that: the plug connecting part (1) comprises a conductive convex rod (7), the socket connecting part (2) comprises a conductive concave rod (9) matched with the conductive convex rod (7), and the conductive concave rod (9) comprises an inner ring layer (13), a middle ring layer (14) and an outer ring layer (15); the inner diameter of the inner ring layer (13) is smaller than the diameter of the conductive convex rod (7), an inner deformation groove (16) is formed in the inner ring layer (13), a middle deformation groove (17) is formed in the middle ring layer (14), and an outer deformation groove (18) is formed in the outer ring layer (15).
6. The mining flameproof cable connector of claim 5, which is characterized in that: the inner ring layer (13) is provided with an inclined plane which is convenient for the insertion of the conductive convex rod (7).
7. The mining flameproof cable connector of claim 5, which is characterized in that: the number of the conductive convex rods (7) is four, the conductive concave rods (9) are arranged corresponding to the conductive convex rods (7), and the plug connecting part (1) comprises a plug insulator (8) for the four conductive convex rods (7) to be inserted and limited; the socket connecting part (2) comprises a socket insulator (10) for four conductive concave rods (9) to be inserted and limited; when the plug connecting part (1) is in clamping fit with the socket connecting part (2), the conductive convex rod (7) is inserted into the conductive concave rod (9), and the plug insulator (8) is contacted with the socket insulator (10).
8. The mining flameproof cable connector of claim 7, which is characterized in that: a lower edge groove (11) is formed in the plug insulator (8), and a convex ring (12) is integrally formed on the inner side of the second connecting sleeve (5); when the plug connecting part (1) and the socket connecting part (2) are fixedly connected, the conductive convex rod (7) is inserted into the conductive concave rod (9), and the side wall of the convex ring (12) at the moment is contacted with the groove wall of the lower edge groove (11).
9. The mining flameproof cable connector of claim 7, which is characterized in that: the side body of the socket insulator (10) is provided with a plane end (23), the inner side of the first connecting sleeve (3) is integrally provided with a limiting lug (24), and when the socket insulator (10) is inserted into the first connecting sleeve (3), the limiting lug (24) is contacted with the plane end (23) and limits the socket insulator (10) and the first connecting sleeve (3) to rotate relatively.
10. The mining flameproof cable connector of claim 5, which is characterized in that: the plug connecting part (1) and the socket connecting part (2) respectively comprise a stabilizing disc (25), a through hole (26) for the grounding core wire to pass through is formed in the stabilizing disc (25), a screw hole (27) is further formed in the stabilizing disc (25), the purpose of compressing the grounding core wire in the cable is achieved by screwing a screw into the screw hole (27), the other end of the screw in the plug connecting part (1) is in contact with and conducted with the second connecting sleeve (5), and therefore the second connecting sleeve (5) is conducted with the grounding core wire; the other end of the screw located in the socket connecting portion (2) is in contact with the first connecting sleeve (3) and conducted, and therefore conduction of the first connecting sleeve (3) and the grounding core wire is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931817.9U CN209786290U (en) | 2019-06-19 | 2019-06-19 | Mining explosion-proof cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931817.9U CN209786290U (en) | 2019-06-19 | 2019-06-19 | Mining explosion-proof cable connector |
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| Publication Number | Publication Date |
|---|---|
| CN209786290U true CN209786290U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920931817.9U Active CN209786290U (en) | 2019-06-19 | 2019-06-19 | Mining explosion-proof cable connector |
Country Status (1)
| Country | Link |
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| CN (1) | CN209786290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165486A (en) * | 2019-06-19 | 2019-08-23 | 浙江旭通智能科技有限公司 | A kind of flame-proof mine cable connector |
-
2019
- 2019-06-19 CN CN201920931817.9U patent/CN209786290U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165486A (en) * | 2019-06-19 | 2019-08-23 | 浙江旭通智能科技有限公司 | A kind of flame-proof mine cable connector |
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