CN216980999U - Large-section cable connector butt joint device and butt joint structure - Google Patents
Large-section cable connector butt joint device and butt joint structure Download PDFInfo
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- CN216980999U CN216980999U CN202123246326.7U CN202123246326U CN216980999U CN 216980999 U CN216980999 U CN 216980999U CN 202123246326 U CN202123246326 U CN 202123246326U CN 216980999 U CN216980999 U CN 216980999U
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- 210000001503 joint Anatomy 0.000 title abstract description 37
- 238000003032 molecular docking Methods 0.000 claims description 21
- 230000001960 triggered effect Effects 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the field of power transmission lines, in particular to a butt joint device and a butt joint structure of a large-section cable connector. This large cross-section cable connector interfacing apparatus includes: adapter sleeve and stop collar. The connecting sleeve is internally provided with a unthreaded hole, a slotted hole and a first internal threaded hole in sequence, wherein the inner diameter of the first internal threaded hole is larger than that of the unthreaded hole and smaller than that of the slotted hole; and a second internal threaded hole is formed in the limiting sleeve, a first external thread matched with the first internal threaded hole is arranged outside the limiting sleeve, and the length of the limiting sleeve is smaller than the sum of the lengths of the internal threaded hole and the slotted hole. The scheme can solve the problems that in the prior art, the joint has large mass and often needs several people to work together during butt joint; or the friction force between the rubber parts is large during butt joint, larger force is needed during butt joint, and the locking is inconvenient.
Description
Technical Field
The utility model relates to the field of power transmission lines, in particular to a large-section cable connector butt joint device and a butt joint structure.
Background
The cable connector is also called a cable head. After the cable is laid, the sections of the cable must be connected together in order to form a continuous line, and these connections are called cable connectors. The cable joints at the middle of the cable run are called intermediate joints and the cable joints at the two ends of the run are called termination joints. The cable joint is used for locking and fixing the incoming and outgoing lines, and plays a role in water resistance, dust prevention and vibration prevention.
At present, most of butt joint structures of flexible cable connectors in the market are quick plug-in type, and a locking mode of a spring and a steel ball is adopted.
The butt-joint structural of quick plug-in to little cross-section cable, easy operation is convenient, and the practicality is strong, nevertheless to big cross-section cable, then has following problem: the joint has large mass, and a plurality of people are often required to work together when in butt joint; the friction force between the rubber pieces is large during butt joint, larger force is needed during butt joint, and locking is inconvenient.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a large-section cable connector butt joint device and a butt joint structure, which can solve the problems that in the prior art, the joint has large mass and needs several people to work together when in butt joint; or the friction force between the rubber parts is large during butt joint, larger force is needed during butt joint, and the locking is inconvenient.
In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:
in one aspect, the present invention provides a large-section cable connector docking device, including:
the connecting sleeve is internally provided with a unthreaded hole, a slotted hole and a first internal threaded hole which penetrate through the connecting sleeve in sequence, wherein the inner diameter of the first internal threaded hole is larger than that of the unthreaded hole and smaller than that of the slotted hole;
and the limiting sleeve is internally provided with a second internal threaded hole, the outer part of the limiting sleeve is provided with a first external thread matched with the first internal threaded hole, and the length of the limiting sleeve is smaller than the sum of the lengths of the internal threaded hole and the slotted hole.
In some optional schemes, a counter is arranged on the connecting sleeve, an accommodating hole in the axial direction is formed in the end portion, located on one side of the internal thread hole, of the connecting sleeve, a telescopic contact is arranged in the accommodating hole, the contact extends out of the end face of the connecting sleeve, and when the contact is completely compressed into the end face of the connecting sleeve, the counter can be triggered to count.
In some optional schemes, an accommodating space is provided in the body of the connecting sleeve, the counter is provided in the accommodating space, and the accommodating hole is communicated with the accommodating space.
In some alternatives, the length of the stop collar is less than the length of the slot.
In some alternatives, one end of the second internally threaded bore is provided with a protrusion inwardly.
In some optional solutions, the connecting sleeve is provided with two handles symmetrically in the radial direction.
In some optional schemes, the outer profile radial section of the connecting sleeve is hexagonal.
In one aspect, the present invention further provides a large-section cable connector docking structure, including the large-section cable connector docking apparatus.
In some alternatives, the large-section cable connector docking structure further includes:
one end of the first joint is provided with a second external thread, and the end provided with the second external thread can sequentially penetrate through the unthreaded hole, the slotted hole and the internal thread hole of the connecting sleeve and then is connected with a second internal thread hole of the limiting sleeve;
and one end of the second joint is provided with a third external thread, the third external thread is matched with the first internal thread hole of the connecting sleeve, and the end provided with the third external thread is used for abutting against the rear part of the limiting sleeve so that the first internal thread hole is sequentially connected with the first external thread of the limiting sleeve and the third external thread of the second joint.
In some alternatives, a length of the third external thread is greater than a length of the first internally threaded bore.
Compared with the prior art, the utility model has the advantages that: one end of the first joint, which is provided with a second external thread, sequentially penetrates through the unthreaded hole, the slotted hole and the internal thread hole and then is connected with the second internal thread hole of the limiting sleeve; after one end of the second joint, which is provided with the third external thread, abuts against the limiting sleeve, the connecting sleeve is rotated to enable the first internal thread hole to be sequentially connected with the first external thread and the third external thread, so that the connection of the first joint and the second joint can be realized, the mode of adopting thread locking is more convenient to lock, firm and reliable, and the problems that the joint in the prior art is high in quality and needs several people to work together when in butt joint are avoided; the friction between the rubber parts is large during butt joint, larger force is needed during butt joint, and locking is inconvenient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a large-section cable connector docking structure according to an embodiment of the present invention;
FIG. 2 is a schematic three-dimensional structure diagram of the connecting sleeve in the embodiment of the utility model;
fig. 3 is a schematic front view of a connecting sleeve in the embodiment of the utility model;
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3 according to an embodiment of the present invention.
In the figure: 1. connecting sleeves; 11. a light hole; 12. a slot; 13. an internally threaded bore; 14. a handle; 2. a limiting sleeve; 21. a second internally threaded bore; 22. a first external thread; 23. a protrusion; 3. a counter; 31. a contact; 4. a first joint; 41. a second external thread; 5. a second joint; 51. a third external thread.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Embodiments of the large-section cable connector docking device and docking structure according to the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the present invention provides a large-section cable connector docking device, including: a connecting sleeve 1 and a limiting sleeve 2.
Wherein, the connecting sleeve 1 is internally provided with a unthreaded hole 11, a slotted hole 12 and an internal threaded hole 13 which penetrate through the connecting sleeve in sequence, and the inner diameter of the first internal threaded hole 13 is larger than the inner diameter of the unthreaded hole 11 and smaller than the inner diameter of the slotted hole 12; the inside of the stop collar 2 is provided with a second internal threaded hole 21, the outside of which is provided with a first external thread 22 matched with the first internal threaded hole 13, and the length of the stop collar 2 is less than the sum of the lengths of the internal threaded hole 13 and the slotted hole 12.
When the large-section cable connector butting device is used, one end of the first joint 4, which is provided with the second external thread 41, sequentially penetrates through the unthreaded hole 11, the slotted hole 12 and the internal thread hole 13 and then is connected with the second internal thread hole 21 of the stop collar 2; after one end of the second joint 5 provided with the third external thread 51 is abutted against the limiting sleeve 2, the connecting sleeve 1 is rotated to enable the first internal thread hole 13 to be sequentially connected with the first external thread 22 and the third external thread 51, so that the connection of the first joint 4 and the second joint can be realized, the mode of adopting thread locking is more convenient to lock, firm and reliable, and the problems that the joint in the prior art is large in mass and needs several people to work together when in butt joint are avoided; the friction between the rubber parts is large during butt joint, larger force is needed during butt joint, and locking is inconvenient.
In this example, the large-section cable generally means a cable having a sectional area of not less than 150mm2The cable of (1).
In some alternative embodiments, the connecting sleeve 1 is provided with the counter 3, the end of the connecting sleeve 1 on the side of the internal threaded hole 13 is provided with an axial accommodating hole, a telescopic contact 31 is arranged in the accommodating hole, and the contact 31 extends out of the end face of the connecting sleeve 1, when the contact 31 is completely compressed into the end face of the connecting sleeve 1, the counter 3 can be triggered to count.
In this embodiment, one end of the third male thread 51 is provided on the second joint 5, a radial protrusion is further provided at the end of the third male thread 51, when the connecting sleeve 1 is rotated to connect the first female thread hole 13 with the first male thread 22 and the third male thread 51 in sequence, the protrusion at the end of the third male thread 51 will be pressed against the contact 31, and when the contact 31 is completely compressed into the end face of the connecting sleeve 1 by the protrusion, the counter 3 can be triggered to count. The arrangement can enable an operator to display the counted number from the counter 3, know that the connecting sleeve 1 rotates to the position and prompt that the butt joint work of the two connecting joints is finished. And the counter 3 records the number of times that the first internal thread hole 13 of the rotary connecting sleeve 1 is in threaded connection with the first external thread 22 and the third external thread 51 in turn, and judges the fatigue life of the connecting sleeve 1 according to the displayed number of times, thereby judging whether the connecting sleeve 1 needs to be replaced.
In some optional embodiments, an accommodating space is provided in the body of the connecting sleeve 1, the counter 3 is provided in the accommodating space, and the accommodating hole is communicated with the accommodating space.
In some alternative embodiments, the counter 3 is disposed in the accommodating space provided in the body of the connecting sleeve 1, so that the installation of the counter 3 is facilitated, and the matching of the counter 3 and the contact 31 is also facilitated.
In some alternative embodiments, the length of the stop collar 2 is less than the length of the slot 12.
In this embodiment, the length of the stop collar 2 is designed to be smaller than the length of the slot 12, such design can make the rotary connection sleeve 1, when the first internal thread hole 13 is sequentially in threaded connection with the first external thread 22 and the third external thread 51, the stop collar 2 can be completely rotated into the slot 12, and the inner diameter of the stop collar 2 is smaller than the external thread of the first external thread 22, when the first external thread 22 is continuously rotated, the first external thread 22 on the stop collar 2 cannot be continuously screwed in, the third external thread 51 can be continuously screwed in by the connection sleeve 1, and is abutted to the end surface of the stop collar 2, so as to achieve a certain sealing effect.
In some alternative embodiments, one end of the second internally threaded bore 21 is provided with a protrusion 23 inwardly.
In this embodiment, after the end of the first joint 4 with the second external thread 41 sequentially passes through the unthreaded hole 11, the slot 12 and the internal thread hole 13, and is connected with the second internal thread hole 21 of the stop collar 2, the end without the protruding portion 23 in the second internal thread hole 21 starts to be screwed in, such a design is beneficial to providing a certain limit effect for the first joint 4 when the first joint 4 is connected with the stop collar 2, and avoiding too much or too little screwing in of the first joint 4.
In some alternative embodiments, the connecting sleeve 1 is provided with two handles 14 symmetrically in the radial direction.
In this embodiment, two handles 14 are symmetrically arranged in the radial direction of the connection sleeve 1, so that the connection sleeve 1 can be rotated conveniently. In this example, the handle 14 is in the shape of an isosceles trapezoid, the bottom of the handle is used as a grip, and two ends of the waist line are respectively connected with the outer wall and the bottom of the connecting sleeve 1. Thus facilitating the grabbing of the constructor.
In some alternative embodiments, the outer profile of the connecting sleeve 1 has a hexagonal radial section. In this embodiment, the radial cross section of the outer contour is hexagonal, which can facilitate the installation of a receiving space in the body of the connection sleeve 1 to install the counter 3.
Referring to fig. 1 to 4 again, in another aspect, the utility model further provides a large-section cable connector docking structure, which includes the large-section cable connector docking device.
In some optional embodiments, the large-section cable connector docking structure further comprises: a first connector 4 and a second connector 5.
One end of the first joint 4 is provided with a second external thread 41, and the end provided with the second external thread 41 can sequentially pass through the unthreaded hole 11, the slotted hole 12 and the internal threaded hole 13 of the connecting sleeve 1 and then is connected with a second internal threaded hole 21 of the stop collar 2; one end of the second joint 5 is provided with a third external thread 51, the third external thread 51 is matched with the first internal thread hole 13 of the connecting sleeve 1, and one end provided with the third external thread 51 is used for abutting against the limiting sleeve 2, so that the first internal thread hole 13 is sequentially connected with the first external thread 22 of the limiting sleeve 2 and the third external thread 51 of the second joint 5.
In the scheme, one end of the first joint 4, which is provided with the second external thread 41, sequentially penetrates through the unthreaded hole 11, the slotted hole 12 and the internal thread hole 13 and then is connected with the second internal thread hole 21 of the stop collar 2; after one end of the second joint 5 provided with the third external thread 51 is abutted against the limiting sleeve 2, the connecting sleeve 1 is rotated to enable the first internal thread hole 13 to be sequentially connected with the first external thread 22 and the third external thread 51, so that the connection of the first joint 4 and the second joint can be realized, the mode of adopting thread locking is more convenient to lock, firm and reliable, and the problems that the joint in the prior art is high in quality and needs several people to work together during butt joint are avoided; the friction between the rubber parts is large during butt joint, larger force is needed during butt joint, and locking is inconvenient.
In some alternative embodiments, the length of the third external thread 51 is greater than the length of the first internally threaded bore 13.
In this embodiment, the length of the third external thread 51 is set to be greater than the length of the first internal thread hole 13, the length of the stop collar 2 is designed to be less than the length of the slot 12 in cooperation, such design can enable the rotary connection sleeve 1, when the first internal thread hole 13 is sequentially in threaded connection with the first external thread 22 and the third external thread 51, the stop collar 2 can be completely rotated into the slot 12, the inner diameter of the stop collar 2 is less than the external thread of the first external thread 22, when the first external thread 22 is continuously rotated, the first external thread 22 on the stop collar 2 cannot be continuously screwed in, because the length of the third external thread 51 is set to be greater than the length of the first internal thread hole 13, the third external thread 51 can be continuously screwed in by the connection sleeve 1 and is supported on the end face of the stop collar 2, and a certain sealing effect is achieved.
In addition, one end of the third external thread 51 is arranged on the second joint 5, a protrusion in the radial direction is further arranged at the tail end of the third external thread 51, when the connecting sleeve 1 is rotated to enable the first internal thread hole 13 to be sequentially connected with the first external thread 22 and the third external thread 51, the protrusion at the tail end of the third external thread 51 is pressed on the contact 31, and when the contact 31 is completely compressed into the end face of the connecting sleeve 1 by the protrusion, the counter 3 can be triggered to count. The arrangement can enable an operator to display the counted number from the counter 3, know that the connecting sleeve 1 rotates to the position and prompt that the butt joint work of the two connecting joints is finished. And the counter 3 records the number of times that the first internal thread hole 13 of the rotary connecting sleeve 1 is in threaded connection with the first external thread 22 and the third external thread 51 in sequence, and judges the fatigue life of the connecting sleeve 1 according to the displayed number of times, thereby judging whether the connecting sleeve 1 needs to be replaced.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in this application, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description is only an example of the present application, and is provided to enable any person skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A large cross-section cable connector docking assembly, comprising:
the connecting sleeve (1) is internally provided with a unthreaded hole (11), a slotted hole (12) and a first internal threaded hole (13) which penetrate through the connecting sleeve in sequence, and the inner diameter of the first internal threaded hole (13) is larger than that of the unthreaded hole (11) and smaller than that of the slotted hole (12);
the limiting sleeve (2) is internally provided with a second internal threaded hole (21), a first external thread (22) matched with the first internal threaded hole (13) is arranged outside the limiting sleeve, and the length of the limiting sleeve (2) is smaller than the sum of the lengths of the internal threaded hole (13) and the slotted hole (12).
2. A large-section cable connector docking device as claimed in claim 1, wherein the connecting sleeve (1) is provided with a counter (3), an end portion of the connecting sleeve (1) on one side of the internal threaded hole (13) is provided with an axially-oriented receiving hole, a retractable contact (31) is arranged in the receiving hole, the contact (31) extends out of the end face of the connecting sleeve (1), and when the contact (31) is fully compressed into the end face of the connecting sleeve (1), the counter (3) is triggered to count.
3. A large-section cable connector docking device as claimed in claim 2, wherein a receiving space is provided in the body of the connection sleeve (1), the counter (3) is provided in the receiving space, and the receiving hole is communicated with the receiving space.
4. A large-section cable connector docking apparatus as claimed in claim 1, wherein: the length of the limiting sleeve (2) is smaller than that of the slotted hole (12).
5. Large-section cable connector docking device according to claim 1, wherein one end of the second internally threaded hole (21) is provided with a protrusion (23) inwardly.
6. A large-section cable connector docking device as claimed in claim 1, wherein the connecting sleeve (1) is provided with two handles (14) symmetrically in radial direction.
7. A large-section cable connector docking device as claimed in claim 1, wherein the outer profile of the connecting sleeve (1) has a hexagonal radial cross-section.
8. A large-section cable connector docking structure comprising a large-section cable connector docking device as claimed in any one of claims 1 to 7.
9. The large-section cable connector docking structure of claim 8, further comprising:
one end of the first joint (4) is provided with a second external thread (41), and the end provided with the second external thread (41) can sequentially penetrate through the unthreaded hole (11), the slotted hole (12) and the internal thread hole (13) of the connecting sleeve (1) and then is connected with the second internal thread hole (21) of the limiting sleeve (2);
the second connector (5) is provided with a third external thread (51) at one end, the third external thread (51) is matched with the first internal thread hole (13) of the connecting sleeve (1), and one end provided with the third external thread (51) is used for abutting against the position limiting sleeve (2) and then enabling the first internal thread hole (13) to be sequentially connected with the first external thread (22) of the position limiting sleeve (2) and the third external thread (51) of the second connector (5).
10. A large-section cable connector mating structure according to claim 9, wherein the length of the third external thread (51) is greater than the length of the first internal threaded hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123246326.7U CN216980999U (en) | 2021-12-22 | 2021-12-22 | Large-section cable connector butt joint device and butt joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123246326.7U CN216980999U (en) | 2021-12-22 | 2021-12-22 | Large-section cable connector butt joint device and butt joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216980999U true CN216980999U (en) | 2022-07-15 |
Family
ID=82348130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123246326.7U Expired - Fee Related CN216980999U (en) | 2021-12-22 | 2021-12-22 | Large-section cable connector butt joint device and butt joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216980999U (en) |
-
2021
- 2021-12-22 CN CN202123246326.7U patent/CN216980999U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220715 |
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| CF01 | Termination of patent right due to non-payment of annual fee |