CN215119428U - Travel switch cable quick-operation joint - Google Patents
Travel switch cable quick-operation joint Download PDFInfo
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- CN215119428U CN215119428U CN202121740904.XU CN202121740904U CN215119428U CN 215119428 U CN215119428 U CN 215119428U CN 202121740904 U CN202121740904 U CN 202121740904U CN 215119428 U CN215119428 U CN 215119428U
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Abstract
The utility model provides a travel switch cable quick-operation joint belongs to cable joint technical field. This travel switch cable quick-operation joint, including the male joint, female joint and waterproof cap, the male joint includes public casing, it leads electrical pillar, seal land and spacing card strip, the female joint includes female casing, the conducting sleeve, the cover platform, buckle ear and release layering, waterproof cap is provided with two sets ofly, and set up respectively in one side of male joint and female joint, be connected the wiring end with male joint and female joint respectively, then through two sets of joint joints joint, it is more firm to make the wiring end, and the wiring is swift convenient, simple to operate, the function safe in utilization is compromise to the waterproof cap, it is electrically conductive to prevent that cable joint from bumping water, reduce and use dangerously, protection staff's safety, can realize quick wiring, and is convenient and practical, replace the winding mode of connection of traditional electric adhesive tape.
Description
Technical Field
The utility model relates to a cable joint technical field particularly, relates to a travel switch cable quick-operation joint.
Background
The cable joint is also called as cable joint, after the cable is laid, in order to make it become a continuous circuit, all the lines must be connected into a whole, these connection points are called as cable joint, the cable joint is used for locking and fixing incoming and outgoing lines, and has the functions of water-proofing, dust-proofing and vibration-proofing. The travel switch of sewage treatment plant blowdown driving configuration often is longer because of the wiring distance, need use a plurality of connector lugs, and the mode of connection commonly used is mostly uses the direct parcel of electric adhesive tape to handle after twining two sets of electric wire ends, uses the back for a long time, and electric adhesive tape is ageing easy to drop, causes to connect not hard up, makes travel switch lose effect, influences blowdown driving normal operating, and what be more serious is that to connect not hard up dangerous accidents such as causing the electric shock easily.
SUMMERY OF THE UTILITY MODEL
In order to compensate the above insufficiency, the utility model provides a travel switch cable quick-operation joint, aim at solves above-mentioned problem, improves cable joint's fastness, can realize quick wiring, and convenient and practical replaces the winding mode of connection of traditional electric proof fabric.
The utility model discloses a realize like this:
a travel switch cable quick connector comprises a male connector, a female connector and a waterproof cap.
The male connector comprises a male shell, a conductive column, a sealing platform and a limiting clamping strip, wherein a first threaded ring is arranged on one side of the male shell, the conductive column is of a hollow cylinder structure, the conductive column is inserted in the male shell, the conductive column is coincided with a central shaft of the male shell, two ends of the conductive column extend to the outer side of the male shell, the sealing platform is arranged on one side, away from the first threaded ring, of the male shell, the sealing platform and the first threaded ring are of an integrally formed structure, and the limiting clamping strip is provided with two groups and is respectively and symmetrically distributed on two sides of the sealing platform.
Female joint includes female casing, conductive sleeve, cover platform, buckle ear and release layering, one side of female casing is provided with the second thread circle, conductive sleeve peg graft in the inside of female casing, conductive sleeve with the center pin coincidence of female casing, female casing is kept away from one side of second thread circle is provided with the cover platform, the cover platform with the second thread circle with female casing is the integrated into one piece structure, the one end of conductive sleeve extends to the inside of cover platform, the buckle ear with the release layering all is provided with two sets ofly, and equal symmetric distribution in the both sides of cover platform, one side of buckle ear with the lateral wall fixed connection of cover platform, the one end of release layering with female casing fixed connection.
The waterproof cap is provided with two sets of, and set up respectively in male joint with one side of female joint, the waterproof cap is the hollow cylinder structure, the through-hole has been seted up to one side of waterproof cap, the opposite side of waterproof cap is provided with the through wires hole, the inner wall of waterproof cap is provided with the internal thread.
In an embodiment of the present invention, the conductive column is close to one end of the first thread ring is provided with a first pressure line ring, the first pressure line ring is a tapered structure, a first slot is formed on the first pressure line ring, the other end of the conductive column is provided with a guide portion, the guide portion is in a half-spherical shape, the outer side wall array distribution of the conductive column is provided with a convex ring, the conductive column is sleeved in the inside of the conductive sleeve, and the two are in interference fit, the outer surface of the convex ring is abutted against the inner wall of the conductive sleeve.
In an embodiment of the present invention, one end of the conductive sleeve close to the second thread ring is provided with a second wire pressing ring, the second wire pressing ring is provided with a second slot, and the second wire pressing ring is consistent with the first wire pressing ring in structure.
The utility model discloses an in the embodiment, the ring channel has been seted up to the lateral wall of seal platform, the outside of seal platform is provided with at least two sets of sealing washers, the inside of ring channel is located to the sealing washer card.
The utility model discloses an in one embodiment, the counter sink has been seted up to one side of cover joint platform, the shape and the size of counter sink with the shape and the size looks adaptation of sealing bench, the surface of sealing washer with the inner wall butt of counter sink.
The utility model discloses an in the embodiment, spacing card strip is "7" font structure, spacing card strip one end with one side fixed connection of public casing, spacing card strip's the other end is provided with clamping part, one side of clamping part is the inclined plane.
The utility model discloses an in one embodiment, the through-hole has been seted up to one side of buckle ear, the size of through-hole with the size looks adaptation of spacing card strip, the clamping part is followed after the direction slip of through-hole extends with one side joint of buckle ear.
The utility model discloses an in one embodiment, the release layering corresponds the position of through-hole, the inboard integrated into one piece of release layering has the boss, one side of boss with the inclined plane butt of clamping part, the release layering is kept away from one side of boss is provided with the antislip strip.
The utility model discloses an in one embodiment, the internal thread with first fillet of thread with the equal adaptation of second fillet of thread, the external diameter size interference fit of through wires hole and travel switch cable.
In an embodiment of the present invention, the outer diameter of the male housing is adapted to the outer diameter of the female housing, and one side of the snap-fit lug is abutted against one side of the male housing.
The utility model discloses a travel switch cable quick-operation joint that above-mentioned design obtained, its beneficial effect is: connect the end respectively with male joint and female joint connection, then connect the joint through two sets of joints, make the end of working more firm, and the wiring is swift convenient, and the installation is simple, and rain-proof cap compromises safe in utilization's function, prevents that cable joint from bumping water electrically conductively, reduces and uses danger, protection staff safety.
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 structural diagram of a travel switch cable quick connector according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an explosion structure of a travel switch cable quick connector according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a male connector according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a female joint according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a travel switch cable quick connector according to an embodiment of the present invention;
FIG. 6 is an enlarged view taken at A in FIG. 5;
in the figure: 100-male connector; 101-a male housing; 1011-first thread turn; 102-a conductive post; 1021-a first wire crimping ring; 1022 — a first slot; 1023-a guide; 1024-convex ring; 103-a sealing table; 1031-sealing ring; 104-a limit clamping strip; 1041-a fastening part; 200-a female connector; 201-a female housing; 2011-second thread turn; 202-a conductive sleeve; 2021-second wire crimping ring; 2022-second grooving; 203-a splicing table; 2031-counter sink; 204-snap lugs; 2041-a via; 205-releasing the bead; 2051-Boss; 2052-antislip strips; 300-a waterproof cap; 301-threading hole; 302-internal thread.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
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 work 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Examples
Referring to fig. 1-6, the present invention provides a technical solution: a travel switch cable quick connector comprises a male connector 100, a female connector 200 and a waterproof cap 300.
Referring to fig. 1-3 and 5-6, the male connector 100 includes a male housing 101, a conductive post 102, a sealing platform 103, and two limiting clamping strips 104, wherein a first threaded ring 1011 is disposed on one side of the male housing 101, the conductive post 102 is in a hollow cylindrical structure, the conductive post 102 is inserted into the male housing 101, the conductive post 102 is overlapped with a central axis of the male housing 101, two ends of the conductive post 102 extend to the outer side of the male housing 101, one end of the conductive post 102 is connected to the cable connector, the other end is inserted into the conductive sleeve 202 of the female connector 200, the sealing platform 103 is disposed on one side of the male housing 101 away from the first threaded ring 1011, the sealing platform 103 and the first threaded ring 1011 are integrally formed with the male housing 101, and two limiting clamping strips 104 are disposed, and are respectively and symmetrically distributed on both sides of the sealing platform 103, and the two groups of limiting clamping strips 104 fix the position of the male connector 100 to prevent deviation.
Referring to fig. 1-2 and 4-6, the female connector 200 includes a female housing 201, a conductive sleeve 202, a socket 203, a snap tab 204 and a release bead 205, wherein a second threaded ring 2011 is disposed on one side of the female housing 201, the conductive sleeve 202 is inserted into the female housing 201, the conductive sleeve 202 is overlapped with a central axis of the female housing 201, the socket 203 is disposed on one side of the female housing 201 away from the second threaded ring 2011, the socket 203 and the second threaded ring 2011 are integrally formed with the female housing 201, one end of the conductive sleeve 202 extends into the socket 203, one end of the conductive sleeve 202 is connected to the conductive post 102, the other end is connected to another cable connector, so as to electrically connect two sets of cables, the snap tab 204 and the release bead 205 are disposed in two sets and symmetrically distributed on two sides of the socket 203, one side of the snap tab 204 is fixedly connected to an outer sidewall of the socket 203, one end of the release pressing strip 205 is fixedly connected with the female shell 201, and the position of the male connector 100 and the position of the female connector 200 are fixed by the matching of the buckling lug 204 and the limiting buckling strip 104.
Preferably, the male housing 101 and the female housing 201 are made of PVC plastic, so that the insulation performance is good, the corrosion resistance is good, the weight is light, and the manufacturing cost is low.
Preferably, the conductive post 102 and the conductive sleeve 202 are made of copper, so that the conductive post has high conductivity, strong fatigue resistance, strong applicability, convenient installation and use, large current bearing capacity and small resistance value.
Referring to fig. 1-2 and 5, two groups of waterproof caps 300 are disposed on one side of the male connector 100 and one side of the female connector 200, respectively, each waterproof cap 300 is a hollow cylinder structure, a through hole is formed on one side of each waterproof cap 300, a threading hole 301 is formed on the other side of each waterproof cap 300, and an internal thread 302 is formed on the inner wall of each waterproof cap 300.
Preferably, waterproof cap 300 chooses for use transparent PVC plastics material, has insulating function, also conveniently observes inside cable joint and connects the condition.
As an embodiment of the present invention, further, a first wire pressing ring 1021 is disposed at one end of the conductive post 102 close to the first thread ring 1011, the first wire pressing ring 1021 is a tapered structure, a first slot 1022 is disposed on the first wire pressing ring 1021, the cable joint is stripped and then sleeved in the first wire pressing ring 1021, a tool is used to press the opening of the first wire pressing ring 1021 inwards, due to the arrangement of the first slot 1022, the inner wall of the first wire pressing ring 1021 is fully contacted with the cable joint, the other end of the conductive post 102 is provided with a guiding portion 1023, the guiding portion 1023 is semi-spherical, which is conveniently sleeved and inserted into the conductive sleeve 202, a protruding ring 1024 is distributed on the outer sidewall array of the conductive post 102, the conductive post 102 is sleeved and connected inside the conductive sleeve 202, and is in interference fit with the conductive sleeve 202, the outer surface of the protruding ring 1024 abuts against the inner wall of the conductive sleeve 202, so that the conductive post 102 is more firmly inserted into the conductive sleeve 202, is not easy to fall off.
As an embodiment of the present invention, further, the end of the conductive sleeve 202 close to the second thread ring 2011 is provided with a second wire pressing ring 2021, the second groove 2022 has been opened on the second wire pressing ring 2021, the second wire pressing ring 2021 is identical to the first wire pressing ring 1021 in structure, after the wire is stripped from another group of cable connectors, the second wire pressing ring 2021 is sleeved in the second wire pressing ring 2021, and the tool is used to press the second wire pressing ring 2021, so that the inner wall of the second wire pressing ring 2021 contacts with another group of cable connectors.
As an embodiment of the utility model, further, the ring channel has been seted up to the lateral wall of seal platform 103, and the outside of seal platform 103 is provided with at least two sets of sealing washer 1031, and the inside of ring channel is located to sealing washer 1031 card.
As an embodiment of the present invention, further, the counter bore 2031 has been seted up to one side of cup jointing platform 203, the shape and the size of counter bore 2031 and the shape and the size looks adaptation of sealing bench 103, the surface of sealing washer 1031 and the inner wall butt of counter bore 2031, sealing washer 1031 make the junction of male joint 100 and female joint 200 be difficult for intaking.
As an embodiment of the utility model, further, spacing card strip 104 is "7" font structure, one end of spacing card strip 104 and one side fixed connection of public casing 101, and the other end of spacing card strip 104 is provided with clamping part 1041, and one side of clamping part 1041 is the inclined plane, makes things convenient for clamping part 1041 to lead spacing card strip 104 joint on buckle ear 204.
As an embodiment of the present invention, further, through hole 2041 has been seted up to one side of buckle ear 204, the size of through hole 2041 and the size looks adaptation of spacing card strip 104, buckling part 1041 slides along the direction of through hole 2041 and extends the back and one side joint of buckle ear 204.
As an embodiment of the utility model, further, release layering 205 corresponds the position of through-hole 2041, and release layering 205's inboard integrated into one piece has boss 2051, and one side of boss 2051 and clamping part 1041's inclined plane butt make things convenient for the dropout of spacing card strip 104 through pressing down of release layering 205, and one side that boss 2051 was kept away from to release layering 205 is provided with antislip strip 2052, makes things convenient for the staff to operate.
As an embodiment of the utility model, further, internal thread 302 and first screw thread circle 1011 and the equal adaptation of second screw thread circle 2011 make things convenient for waterproof cap 300's installation, and the external diameter size interference fit of through wires hole 301 and travel switch cable prevents that the rainwater from stretching into waterproof cap 300's inside from through wires hole 301 department.
As an embodiment of the present invention, further, the outer diameter of the male housing 101 is adapted to the outer diameter of the female housing 201, and one side of the snap lug 204 is abutted to one side of the male housing 101, so that the male connector 100 and the female connector 200 form a whole, thereby improving the aesthetic property of the cable quick connector.
Specifically, this travel switch cable quick-operation joint's theory of operation: two groups of waterproof caps 300 are respectively sleeved on two groups of cable connectors through threading holes 301, after the cable connectors are stripped, a tool is used for respectively pressing the cable connectors with a first pressing ring 1021 and a second pressing ring 2021, the pressing is easier due to the arrangement of a first open slot 1022 and a second open slot 2022, then a conductive post 102 on the male connector 100 is sleeved into a conductive sleeve 202 on the female connector 200 through a guide part 1023, a convex ring 1024 is abutted against the inner wall of the conductive sleeve 202 and is more firmly connected, meanwhile, a buckling part 1041 at one end of a limiting clamping strip 104 is inserted into a through hole 2041 on a clamping lug 204, after one side of the clamping lug 204 is abutted against one side of the male shell 101, the buckling part 1041 protrudes out of the through hole 2041 and is abutted against the other side of the clamping lug 204, the clamping connection of the male connector 100 and the female connector 200 is realized, the vibration falling and separation is prevented, when the quick connector needs to be disassembled, a cable power supply source is disconnected, a release pressing strip 205 to the inner side is manually, boss 2051 extrudes buckle portion 1041, makes buckle portion 1041 break away from the restriction of buckle ear 204, to both sides pulling male joint 100 and female joint 200 simultaneously, makes both separation, leads electrical pillar 102 and deviates from in the conductive sleeve 202, realizes the separation outage that connects, and the device uses convenient operation, and the wiring is firm, and rain-proof cap compromises the function safe in utilization, prevents that cable joint from bumping water electrically conductively, reduces and uses dangerously, protection staff's safety.
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 (10)
1. A travel switch cable quick connector is characterized by comprising,
the male connector (100), the male connector (100) comprises a male shell (101), a conductive column (102), a sealing platform (103) and a limit clamping strip (104), one side of the male shell (101) is provided with a first thread ring (1011), the conductive column (102) is in a hollow cylinder structure, the conductive column (102) is inserted into the male housing (101), the conductive column (102) is coincident with the central axis of the male housing (101), both ends of the conductive column (102) extend to the outer side of the male housing (101), the sealing platform (103) is arranged on one side of the male shell (101) far away from the first thread turn (1011), the sealing platform (103) and the first thread ring (1011) and the male shell (101) are of an integrated structure, two groups of limiting clamping strips (104) are arranged and are respectively and symmetrically distributed on two sides of the sealing platform (103);
the female joint (200) comprises a female shell (201), a conductive sleeve (202), a sleeving table (203), a buckling lug (204) and a release pressing strip (205), wherein a second threaded ring (2011) is arranged on one side of the female shell (201), the conductive sleeve (202) is inserted into the female shell (201), the conductive sleeve (202) coincides with the central shaft of the female shell (201), the sleeving table (203) is arranged on one side, away from the second threaded ring (2011), of the female shell (201), the sleeving table (203), the second threaded ring (2011) and the female shell (201) are of an integrally formed structure, one end of the conductive sleeve (202) extends to the inside of the sleeving table (203), the buckling lug (204) and the release pressing strip (205) are respectively provided with two groups and are symmetrically distributed on two sides of the sleeving table (203), one side of the buckling lug (204) is fixedly connected with the outer side wall of the sleeving platform (203), and one end of the release pressing bar (205) is fixedly connected with the female shell (201);
waterproof cap (300), waterproof cap (300) are provided with two sets ofly, and set up respectively in male joint (100) with one side of female joint (200), waterproof cap (300) are the hollow circular cylinder structure, the through-hole has been seted up to one side of waterproof cap (300), the opposite side of waterproof cap (300) is provided with through wires hole (301), the inner wall of waterproof cap (300) is provided with internal thread (302).
2. The quick connector of a travel switch cable according to claim 1, wherein a first wire pressing ring (1021) is disposed at one end of the conductive post (102) close to the first thread ring (1011), the first wire pressing ring (1021) is a tapered structure, a first slot (1022) is disposed on the first wire pressing ring (1021), a guide portion (1023) is disposed at the other end of the conductive post (102), the guide portion (1023) is a semi-spherical shape, a convex ring (1024) is disposed on an outer side wall array of the conductive post (102), the conductive post (102) is sleeved inside the conductive sleeve (202) and is in interference fit with the conductive sleeve (202), and an outer surface of the convex ring (1024) abuts against an inner wall of the conductive sleeve (202).
3. The quick connector for travel switch cables as claimed in claim 2, wherein a second wire pressing ring (2021) is disposed at one end of the conductive sleeve (202) close to the second thread turn (2011), a second slot (2022) is opened on the second wire pressing ring (2021), and the second wire pressing ring (2021) and the first wire pressing ring (1021) have the same structure.
4. The quick connector for a travel switch cable according to claim 1, wherein an annular groove is formed in an outer side wall of the sealing table (103), at least two sets of sealing rings (1031) are arranged on an outer side of the sealing table (103), and the sealing rings (1031) are clamped inside the annular groove.
5. The quick connector for the travel switch cable according to claim 4, wherein a counter bore (2031) is formed in one side of the sleeving platform (203), the shape and the size of the counter bore (2031) are matched with those of the sealing platform (103), and the outer surface of the sealing ring (1031) abuts against the inner wall of the counter bore (2031).
6. The travel switch cable quick connector as claimed in claim 1, wherein the limiting clamping strip (104) is of a 7-shaped structure, one end of the limiting clamping strip (104) is fixedly connected with one side of the male housing (101), the other end of the limiting clamping strip (104) is provided with a clamping part (1041), and one side of the clamping part (1041) is an inclined surface.
7. The quick cable joint of the travel switch according to claim 6, wherein a through hole (2041) is formed in one side of the snap-fit lug (204), the size of the through hole (2041) is matched with the size of the limiting clamping strip (104), and the buckling portion (1041) is clamped with one side of the snap-fit lug (204) after sliding and extending along the direction of the through hole (2041).
8. The quick connector for the travel switch cable according to claim 7, wherein the release pressing bar (205) corresponds to the position of the through hole (2041), a boss (2051) is integrally formed on the inner side of the release pressing bar (205), one side of the boss (2051) abuts against the inclined surface of the buckling part (1041), and an anti-slip strip (2052) is arranged on one side of the release pressing bar (205) away from the boss (2051).
9. The quick travel switch cable connector according to claim 1, wherein the internal thread (302) is matched with both the first thread ring (1011) and the second thread ring (2011), and the threading hole (301) is in interference fit with the outer diameter dimension of the travel switch cable.
10. A travel switch cable quick-connector according to claim 1, characterized in that the outer diameter of the male housing (101) is adapted to the outer diameter of the female housing (201), and one side of the snap lug (204) abuts one side of the male housing (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121740904.XU CN215119428U (en) | 2021-07-28 | 2021-07-28 | Travel switch cable quick-operation joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121740904.XU CN215119428U (en) | 2021-07-28 | 2021-07-28 | Travel switch cable quick-operation joint |
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| CN215119428U true CN215119428U (en) | 2021-12-10 |
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| CN202121740904.XU Active CN215119428U (en) | 2021-07-28 | 2021-07-28 | Travel switch cable quick-operation joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114628948A (en) * | 2022-03-17 | 2022-06-14 | 中国煤炭科工集团太原研究院有限公司 | Quick-inserting type wiring terminal of communicating double-cavity in explosion-proof box |
-
2021
- 2021-07-28 CN CN202121740904.XU patent/CN215119428U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114628948A (en) * | 2022-03-17 | 2022-06-14 | 中国煤炭科工集团太原研究院有限公司 | Quick-inserting type wiring terminal of communicating double-cavity in explosion-proof box |
| CN114628948B (en) * | 2022-03-17 | 2023-06-09 | 中国煤炭科工集团太原研究院有限公司 | Quick-plug type wiring terminal with two communicated cavities in explosion-proof box |
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