CN112072577A - Modular wire sleeve joint structure - Google Patents
Modular wire sleeve joint structure Download PDFInfo
- Publication number
- CN112072577A CN112072577A CN202011128074.5A CN202011128074A CN112072577A CN 112072577 A CN112072577 A CN 112072577A CN 202011128074 A CN202011128074 A CN 202011128074A CN 112072577 A CN112072577 A CN 112072577A
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- CN
- China
- Prior art keywords
- sleeve
- rod
- limiting
- barrier strip
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a modular wire sleeve joint structure, and relates to the field of wire sleeves. The connecting device comprises a sleeve, wherein a connecting sleeve is arranged at one end of the sleeve, a cylinder is arranged at one end of the connecting sleeve, a hoop is arranged on the outer side of the joint of the cylinder and the connecting sleeve, the cylinder and the connecting sleeve are connected in a hooping manner through the hoop, an external thread is formed at one end of the outer side of the cylinder, limiting rods are fixedly connected to the top and the bottom of the cylinder, a connecting hole is formed in the other end of the sleeve, an internal thread is arranged on the inner side of the connecting hole, the thread shape of the internal thread is matched with the thread shape of the external thread, and guiding. According to the invention, the limiting groove formed in the barrier strip can be used for clamping and limiting the limiting rod, so that the limiting rod is not easy to separate from the shielding groove, and the problem that the connecting is easy to separate during threading due to the design that the wire tubes are mutually clamped and inserted in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of wire sleeves, in particular to a modular wire sleeve joint structure.
Background
The indoor decoration arranges the electric wire, buries the electric wire in the wall or hides on the ceiling mostly, is the hidden line. The wires, which are dark wires, must be protected by a sleeve. When the cable is installed on site, the cable is generally threaded after the sleeve is installed, and the threading is difficult if the pipeline is long. The longer pipeline is divided into several sections, and the multiple sections of casings are connected through plug-in interference fit.
When the connection mode is used in practice, after the connection, the electric wire can cause friction action on the inner wall of the sleeve during threading, and an electrician can easily cause the disconnection phenomenon at the joint of the two sleeves due to the connection mode when pulling the electric wire, so that the protection effect of the joint between the two sleeves on the electric wire is reduced.
Disclosure of Invention
Technical problem to be solved
In view of the deficiencies of the prior art, the present invention provides a modular wire sleeve joint structure to solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a modular wire sleeve joint structure comprises a sleeve, wherein one end of the sleeve is provided with a connecting sleeve, one end of the connecting sleeve is provided with a cylinder, the outer side of the joint of the cylinder and the connecting sleeve is provided with a hoop, the cylinder and the connecting sleeve are connected in a hooping manner through the hoop in a hooping manner, one end of the outer side of the cylinder is provided with an external thread in a molding manner, the top and the bottom of the cylinder are fixedly connected with limiting rods, the other end of the sleeve is provided with a connecting hole, the inner side of the connecting hole is provided with an internal thread, the shape of the internal thread is matched with that of the external thread, the top and the bottom of the internal thread are provided with guide limiting holes, the guide limiting holes are communicated with the internal thread, one side of each guide limiting hole is provided with a shielding groove, the shielding groove is arranged on the sleeve, the arc strip is fixedly connected with the barrier strip, and one end of the barrier strip is provided with a reset assembly.
Preferably, the reset assembly comprises a telescopic rod and a reset spring, the telescopic rod is formed by slidably sleeving a hollow pipe body and a cross rod, the reset spring is sleeved outside the telescopic rod, and two ends of the reset spring are respectively fixedly connected with the barrier strip and the inner wall of the sleeve.
Preferably, one side of the barrier strip, which is far away from the guide limiting hole, is provided with a limiting groove, and the limiting groove is arranged on the barrier strip.
Preferably, the inside of restriction inslot is equipped with compensaties the strip, the mounting hole has been seted up on the blend stop, the mounting hole communicates with each other with the restriction inslot, it passes the mounting hole and extends to the blend stop inside to compensate the strip, the blend stop is inside to be equipped with jack-up mechanism.
Preferably, the jacking mechanism includes the round bar, the round bar top is equipped with presses the briquetting, pass the blend stop and extend to the blend stop top according to briquetting one end, be equipped with ball bearing between according to briquetting and the round bar, pass through ball bearing rotation according to briquetting and round bar and be connected, the guide way has been seted up on the round bar, a fixedly connected with straight-bar on the blend stop inner wall, straight-bar one end extends to inside the guide way, guide way one side is equipped with the protruding piece of extrusion, protruding piece of extrusion and round bar fixed connection, the round bar bottom is equipped with the connecting rod, connecting rod and blend stop fixed connection, the connecting rod cup joints with the round bar activity, the connecting rod outside cover is equipped with return spring, return spring one end and round bar contact, the return spring other end contacts with blend stop inner chamber bottom.
Preferably, the connecting groove has been seted up to the remedy strip outside, the inside connecting block that is equipped with of connecting groove, connecting block and connecting groove sliding clamping, connecting block one end and blend stop fixed connection.
Preferably, a contact assembly is arranged at the top of the pressing block;
the contact assembly comprises a pressing rod, the pressing rod is in contact with the top of the pressing block, the top of the pressing rod is fixedly connected with a pressing plate, a limiting frame is arranged on the outer side of the pressing plate, the limiting frame is fixedly connected with the sleeve, and the pressing plate is in sliding connection with the limiting frame through a sliding groove structure.
Preferably, the connecting sleeve is in threaded connection with the sleeve, and the connecting sleeve is in a circular boss shape.
Preferably, one end of the barrier strip passes through the leading-in hole and extends into the sleeve, and the barrier strip is movably inserted into the sleeve.
The invention provides a modular wire sleeve joint structure, which has the following beneficial effects:
1. the invention inserts the limiting rod aiming at the position of the guide limiting hole, then rotates one of the invention bodies towards one direction, at the moment, the external thread and the internal thread are in threaded clamping, the limiting rod enters into the shielding groove, the limiting rod extrudes the arc-shaped strip fixed with the barrier strip, so that the barrier strip and the arc-shaped strip body move towards the inside of the sleeve under the extrusion action, at the moment, the reset spring in the reset assembly arranged at one end of the barrier strip is compressed, the telescopic rod contracts, the barrier strip and the arc-shaped strip part enter into the sleeve through the leading-in hole, at the moment, the limiting rod enters into one part of the shielding groove far away from the guide limiting hole, at the moment, the barrier strip resets, the limiting groove arranged on the barrier strip can be used for clamping and limiting the limiting rod, thereby the limiting rod is not easy to be separated from the inside of the shielding groove, and the design of mutual clamping connection between the wire tubes, the connection is easy to be separated when threading.
2. According to the invention, when the limiting rod is clamped into the limiting groove, the compensation strip positioned in the limiting groove is retracted into the inner side of the mounting hole, so that the limiting rod can be directly clamped into the limiting groove under the default condition without being extruded by the mounting hole, and the connection between the limiting rod and the shielding groove is more stable.
3. According to the invention, the extrusion convex block can rotate along with the round rod by pressing the pressing block, the state of the extrusion convex block which is not in contact with the compensation strip at the moment is changed into the state of being in contact with the compensation strip, the compensation strip is extruded by the extrusion convex block at the moment, the connecting block positioned in the connecting groove arranged on the compensation strip slides in the connecting groove, the compensation strip moves relatively in the mounting hole at the moment, the limiting rod positioned in the limiting groove can be extruded when the compensation strip enters the limiting groove, the limiting rod can extrude the arc strip when the limiting rod is rotated, so that the arc strip is separated from the gap between the arc strip and the shielding groove, and the rotation is opposite to the rotation during mounting, so that the stability of a plurality of the invention is higher when the invention is in butt joint mounting.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 3 is a partial cross-sectional view of the present invention;
FIG. 4 is a schematic view of the structure of the barrier strip of the present invention;
FIG. 5 is a schematic view of a round bar structure according to the present invention;
fig. 6 is a schematic view of the structure of the compensating strip of the present invention.
In the figure: 1. a sleeve; 2. connecting sleeves; 3. a cylinder; 4. hooping; 5. an external thread; 6. a restraining bar; 7. connecting holes; 8. an internal thread; 9. a guide limit hole; 10. a shielding groove; 11. blocking strips; 12. an arc-shaped strip; 13. an introduction hole; 14. a telescopic rod; 15. a return spring; 16. a limiting groove; 17. a compensating strip; 18. mounting holes; 19. a pressing block; 20. a round bar; 21. a ball bearing; 22. a guide groove; 23. extruding the convex block; 24. a connecting rod; 25. a return spring; 26. connecting grooves; 27. connecting blocks; 28. a pressure lever; 29. a pressing plate; 30. and limiting the frame.
Detailed Description
The embodiment of the invention provides a modular wire casing joint structure, as shown in fig. 1-6, which comprises a casing 1, wherein one end of the casing 1 is provided with a connecting sleeve 2, the connecting sleeve 2 is in threaded connection with the casing 1, the connecting sleeve 2 is in a circular boss shape, one end of the connecting sleeve 2 is provided with a cylinder 3, the outer side of the joint of the cylinder 3 and the connecting sleeve 2 is provided with a hoop 4, the cylinder 3 and the connecting sleeve 2 are in hooped connection through the hoop 4, after the connecting sleeve 2 is connected with the casing 1, the hoop 4 is used for hooping the cylinder 3 and the connecting sleeve 2, so that the connecting sleeve 2 and the cylinder 3 are connected with the casing 1, one end of the outer side of the cylinder 3 is formed with an external thread 5, the top and the bottom of the cylinder 3 are both fixedly connected with a limiting rod 6, the other end of the casing 1, the utility model discloses a novel screw thread, including internal thread 8, guide limiting hole 9, leading hole 13, blend stop 11 and sleeve pipe 1, the thread shape phase-match of internal thread 8 and external screw thread 5, 8 tops of internal thread and bottom all are equipped with guide limiting hole 9, guide limiting hole 9 sets up to being linked together with internal thread 8, guide limiting hole 9 one side is provided with hides groove 10, it sets up on sleeve pipe 1 to hide groove 10, it is equipped with blend stop 11 to hide the inside in groove 10, the leading hole 13 has been seted up on sleeve pipe 1, blend stop 11 one end is passed leading hole 13 and is extended to the sleeve pipe 1 inside, blend stop 11 is pegged graft with sleeve pipe 1 activity, the blend stop 11 other end is equipped with arc strip 12, arc strip 12 and blend stop 11 fixed.
The reset assembly comprises a telescopic rod 14 and a reset spring 15, the telescopic rod 14 is formed by slidably sleeving a hollow pipe body and a cross rod, the reset spring 15 is sleeved on the outer side of the telescopic rod 14, and two ends of the reset spring 15 are fixedly connected with the barrier strip 11 and the inner wall of the sleeve 1 respectively.
Furthermore, a limiting groove 16 is formed in one side, away from the guide limiting hole 9, of the barrier strip 11, and the limiting groove 16 is formed in the barrier strip 11.
The inner portion of the limiting groove 16 is provided with a compensating strip 17, the barrier strip 11 is provided with a mounting hole 18, the mounting hole 18 is communicated with the limiting groove 16, the compensating strip 17 penetrates through the mounting hole 18 and extends to the inner portion of the barrier strip 11, and the inner portion of the barrier strip 11 is provided with a jacking mechanism.
In a further description, the jacking mechanism comprises a round rod 20, a pressing block 19 is arranged at the top of the round rod 20, one end of the pressing block 19 passes through the barrier strip 11 and extends to the top of the barrier strip 11, a ball bearing 21 is arranged between the pressing block 19 and the round rod 20, the pressing block 19 is rotatably connected with a round rod 20 through a ball bearing 21, a guide groove 22 is arranged on the round rod 20, a straight rod is fixedly connected to the inner wall of the barrier strip 11, one end of the straight rod extends into the guide groove 22, one side of the guide groove 22 is provided with an extrusion convex block 23, the extrusion convex block 23 is fixedly connected with the round rod 20, the bottom of the round rod 20 is provided with a connecting rod 24, the connecting rod 24 is fixedly connected with the barrier strip 11, the connecting rod 24 is movably sleeved with the round rod 20, a return spring 25 is sleeved outside the connecting rod 24, one end of the return spring 25 is in contact with the round rod 20, and the other end of the return spring 25 is in contact with the bottom of the inner cavity of the barrier strip 11.
Compensate the strip 17 outside and seted up spread groove 26, spread groove 26 is inside to be equipped with connecting block 27, connecting block 27 and spread groove 26 slip joint, connecting block 27 one end and blend stop 11 fixed connection.
The top of the pressing block 19 is provided with a contact component;
in addition, the contact assembly comprises a pressure rod 28, the pressure rod 28 is in contact with the top of the pressing block 19, the top of the pressure rod 28 is fixedly connected with a pressing plate 29, a limiting frame 30 is arranged on the outer side of the pressing plate 29, the limiting frame 30 is fixedly connected with the sleeve 1, and the pressing plate 29 is in sliding connection with the limiting frame 30 through a sliding chute structure.
The implementation mode is specifically as follows: when the invention is used, after the connecting sleeve 2 is connected with the sleeve 1, the hoop 4 is used for hooping the cylinder 3 and the connecting sleeve 2, so that the connecting sleeve 2 and the cylinder 3 are connected with the sleeve 1, because the outer thread 5 is formed on the outer side of the cylinder 3 at the same time, the limiting rods 6 are fixed at the top and the bottom of the cylinder 3, when a plurality of the invention are connected, the limiting rods 6 can be inserted in alignment with the positions of the guide limiting holes 9, then one of the invention bodies is rotated towards one direction, at the moment, the outer thread 5 is in threaded clamping with the inner thread 8, the limiting rods 6 enter the shielding grooves 10, the limiting rods 6 extrude the arc-shaped strips 12 fixed with the barrier strips 11, so that the bodies of the barrier strips 11 and the arc-shaped strips 12 move towards the inside of the sleeve 1 under the extrusion action, at the moment, the return spring 15 arranged in the return component at one end of the barrier strips 11 is compressed, telescopic link 14 contracts, the part of blend stop 11 and arc 12 enters into inside sleeve pipe 1 through leading-in hole 13, the part that restriction pole 6 got into to shelter from groove 10 and keep away from direction restriction hole 9 this moment, blend stop 11 at this moment resets, restriction groove 16 of seting up on blend stop 11 can supply restriction pole 6 to go into the card and go into the restriction, thereby make restriction pole 6 difficult break away from sheltering from inside groove 10, under the prior art condition of avoiding, insert the design of mutual joint between the wire tube, the problem of easy disconnection when carrying out the threading.
When the restricting bar 6 is snapped into the restricting slot 16, the offset strip 17 inside the restricting slot 16 is retracted inside the mounting hole 18, so that the restricting bar 6 can be snapped directly into the restricting slot 16 by default without being pressed by the mounting hole 18, thereby making the connection between the restricting bar 6 and the shielding slot 10 more stable.
When the limiting rod 6 needs to be separated from the shielding groove 10, an operator needs to press the pressing plate 29 first, because the vertical sliding limitation exists between the pressing plate 29 and the limiting frame 30, the pressing plate 29 drives the pressing rod 28 to press the pressing block 19 under the limiting action of the limiting frame 30, the pressing block 19 moves towards the inside of the barrier strip 11 at this time, the pressing block 19 presses the round rod 20 at this time, the straight rod fixedly connected to the inner wall of the barrier strip 11 extends to the inner side of the guide groove 22 at this time, the guide groove 22 guides the rotation direction of the round rod 20 at this time, the round rod 20 at this time can deflect, the pressing block 19 at this time is rotatably connected with the round rod 20 through the ball bearing 21, the pressing block 19 can not rotate, the pressing is convenient, when the round rod 20 rotates, the pressing convex block 23 rotates along with the round rod 20, the state that the extrusion convex block 23 is not contacted with the compensation strip 17 at this time is changed into the state that the extrusion convex block is contacted with the compensation strip 17, the compensation strip 17 at this time is extruded by the extrusion convex block 23, the connecting block 27 positioned in the connecting groove 26 arranged on the compensation strip 17 slides in the connecting groove 26, the compensation strip 17 at this time moves relatively in the mounting hole 18, when the compensation strip 17 enters the limiting groove 16, the limiting rod 6 positioned in the limiting groove 16 can be extruded, when the limiting rod 6 is rotated, the limiting rod 6 can extrude the arc strip 12 so as to be separated from the gap between the arc strip 12 and the shielding groove 10, and the rotation at this time is the rotation in the opposite direction to the mounting time, so that the stability of a plurality of the invention is high when the butt-joint mounting is carried out.
When the round bar 20 moves in the barrier strip 11, the compression state of the return spring 25 is changed, when the connecting rod 24 retracts into the round bar 20, the return spring 25 is compressed, when the pressing block 19 is released by a human hand, the round bar 20 is reset under the action of the elastic force of the return spring 25, and the position of the extrusion protrusion block 23 is also reset.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a modular wire sleeve joint structure which characterized in that: comprises a sleeve (1), one end of the sleeve (1) is provided with a connecting sleeve (2), one end of the connecting sleeve (2) is provided with a cylinder (3), the outside of the joint of the cylinder (3) and the connecting sleeve (2) is provided with a hoop (4), the cylinder (3) and the connecting sleeve (2) are connected by the hoop (4) in a hooping manner, one end of the outside of the cylinder (3) is provided with an external thread (5), the top and the bottom of the cylinder (3) are both fixedly connected with a limiting rod (6), the other end of the sleeve (1) is provided with a connecting hole (7), the inner side of the connecting hole (7) is provided with an internal thread (8), the thread shape of the internal thread (8) is matched with the thread shape of the external thread (5), the top and the bottom of the internal thread (8) are both provided with guide limiting holes (9), and the guide, the guide limiting hole is characterized in that a shielding groove (10) is formed in one side of the guide limiting hole (9), the shielding groove (10) is formed in the sleeve (1), a barrier strip (11) is arranged inside the shielding groove (10), a guide hole (13) is formed in the sleeve (1), an arc strip (12) is arranged at the other end of the barrier strip (11), the arc strip (12) is fixedly connected with the barrier strip (11), and a reset assembly is arranged at one end of the barrier strip (11).
2. The modular grommet connector structure of claim 1, wherein: the reset assembly comprises a telescopic rod (14) and a reset spring (15), the telescopic rod (14) is formed by slidably sleeving a hollow pipe body and a cross rod, the reset spring (15) is sleeved on the outer side of the telescopic rod (14), and two ends of the reset spring (15) are fixedly connected with the barrier strip (11) and the inner wall of the sleeve (1) respectively.
3. The modular grommet connector structure of claim 1, wherein: and one side, far away from the guide limiting hole (9), of the barrier strip (11) is provided with a limiting groove (16), and the limiting groove (16) is arranged on the barrier strip (11).
4. A modular grommet connector structure as set forth in claim 3, wherein: the inner portion of the limiting groove (16) is provided with a compensating strip (17), the barrier strip (11) is provided with a mounting hole (18), the mounting hole (18) is communicated with the limiting groove (16), the compensating strip (17) penetrates through the mounting hole (18) and extends to the inner portion of the barrier strip (11), and the inner portion of the barrier strip (11) is provided with a jacking mechanism.
5. The modular grommet connector structure of claim 4, wherein: the jacking mechanism comprises a round rod (20), a pressing block (19) is arranged at the top of the round rod (20), one end of the pressing block (19) penetrates through the barrier strip (11) and extends to the top of the barrier strip (11), a ball bearing (21) is arranged between the pressing block (19) and the round rod (20), the pressing block (19) and the round rod (20) are rotatably connected through the ball bearing (21), a guide groove (22) is formed in the round rod (20), a straight rod is fixedly connected to the inner wall of the barrier strip (11), one end of the straight rod extends into the guide groove (22), an extrusion protruding block (23) is arranged on one side of the guide groove (22), the extrusion protruding block (23) is fixedly connected with the round rod (20), a connecting rod (24) is arranged at the bottom of the round rod (20), the connecting rod (24) is fixedly connected with the barrier strip (11), and the connecting rod (24) is movably sleeved with the round rod (20), the connecting rod (24) outside cover is equipped with return spring (25), return spring (25) one end and round bar (20) contact, return spring (25) other end and blend stop (11) inner chamber bottom contact.
6. The modular grommet connector structure of claim 4, wherein: compensate strip (17) outside and seted up spread groove (26), spread groove (26) inside is equipped with connecting block (27), connecting block (27) and spread groove (26) slip joint, connecting block (27) one end and blend stop (11) fixed connection.
7. The modular grommet connector structure of claim 5, wherein: the top of the pressing block (19) is provided with a contact component;
the contact assembly comprises a pressure lever (28), the pressure lever (28) is in contact with the top of the pressing block (19), the top of the pressure lever (28) is fixedly connected with a pressing plate (29), a limiting frame (30) is arranged on the outer side of the pressing plate (29), the limiting frame (30) is fixedly connected with the sleeve (1), and the pressing plate (29) is in sliding connection with the limiting frame (30) through a sliding groove structure.
8. The modular grommet connector structure of claim 1, wherein: the connecting sleeve (2) is in threaded connection with the sleeve (1), and the connecting sleeve (2) is in a circular boss shape.
9. The modular grommet connector structure of claim 1, wherein: one end of the barrier strip (11) penetrates through the leading-in hole (13) and extends into the sleeve (1), and the barrier strip (11) is movably inserted into the sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011128074.5A CN112072577A (en) | 2020-10-20 | 2020-10-20 | Modular wire sleeve joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011128074.5A CN112072577A (en) | 2020-10-20 | 2020-10-20 | Modular wire sleeve joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112072577A true CN112072577A (en) | 2020-12-11 |
Family
ID=73655353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011128074.5A Pending CN112072577A (en) | 2020-10-20 | 2020-10-20 | Modular wire sleeve joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112072577A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503146A (en) * | 2021-08-06 | 2021-10-15 | 新疆大学 | Deep coal bed gas exploitation air pressure measuring device |
-
2020
- 2020-10-20 CN CN202011128074.5A patent/CN112072577A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503146A (en) * | 2021-08-06 | 2021-10-15 | 新疆大学 | Deep coal bed gas exploitation air pressure measuring device |
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