CN112038995B - Cable fixing device and cable fixing method - Google Patents
Cable fixing device and cable fixing method Download PDFInfo
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- CN112038995B CN112038995B CN202010862908.9A CN202010862908A CN112038995B CN 112038995 B CN112038995 B CN 112038995B CN 202010862908 A CN202010862908 A CN 202010862908A CN 112038995 B CN112038995 B CN 112038995B
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- cable
- sleeve
- ring
- fixing
- external thread
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- 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
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
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- 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
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
Abstract
The invention discloses a cable fixing device and a cable fixing method, wherein the cable fixing device comprises: the inner wall of the first sleeve is provided with a first internal thread, and the outer wall of the first sleeve is provided with a first external thread; the two ends of the second sleeve are respectively provided with a second external thread and a third external thread, and the second external thread is matched with the first internal thread; the clamping ring is positioned between the second sleeve and the shielding layer of the cable; the cable fixing component is provided with a clamping part matched with the outer diameter of the cable, and the cable fixing component is provided with a second internal thread matched with the first external thread; and the grounding nut is provided with a third internal thread matched with the third external thread. The cable fixing device simplifies the grounding process of the cable shielding layer during laying of the secondary cable, improves the grounding efficiency and grounding reliability, improves the fixing and plugging processes of the secondary cable, has high reliability, and is convenient for later operation and maintenance.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a cable fixing device and a cable fixing method.
Background
Laying of secondary cables is complied withThe following requirements are set: firstly, the anti-interference requirement is that the shielding layer of the cable needs to be grounded; secondly, in the secondary cable laying process, the cable is required to have a fixing measure, so that the cable is prevented from moving in work or being prevented from moving due to the gravity of the cable with long service life; thirdly, the secondary cable laying should be good shutoff, prevent that toy, rainwater from getting into. Firstly, when the traditional secondary cable is laid for grounding, each cable shielding layer needs to pass through the section of not less than 4mm2The multi-strand copper flexible wire is reliably connected to the secondary grounding network, the joint is complex to manufacture, the efficiency is low, and the reliability of grounding of the shielding layer is not high; secondly, the traditional fixing measure for laying the secondary cables is to bind the adjacent secondary cables or a special fixing framework together through a binding belt, so that the efficiency is low, and the later operation and maintenance are inconvenient; finally, the traditional secondary cable threading part is plugged through plugging mud, and the situation that the plugging mud falls off from the through groove in actual operation is poor in reliability.
Disclosure of Invention
Based on the above, the invention provides a cable fixing device and a cable fixing method, aiming at overcoming the defects of low efficiency, poor reliability and inconvenience in later operation and maintenance in the aspects of grounding, fixing and plugging during laying of a secondary cable in the prior art.
The technical scheme is as follows:
a cable fixture device comprising:
the inner wall of the first sleeve is provided with a first internal thread, and the outer wall of the first sleeve is provided with a first external thread;
the two ends of the second sleeve are respectively provided with a second external thread and a third external thread, and the second external thread is matched with the first internal thread;
the clamping ring is sleeved outside the cable and positioned between the second sleeve and the shielding layer of the cable;
the cable fixing component is provided with a clamping part matched with the outer diameter of the cable, and the cable fixing component is provided with a second internal thread matched with the first external thread;
and the grounding nut is provided with a third internal thread matched with the third external thread.
According to the technical scheme, the cable fixing device simplifies the grounding process of the cable shielding layer during secondary cable laying, improves grounding efficiency and grounding reliability, improves the fixing and plugging processes of the secondary cable, is high in reliability, and facilitates later-stage operation and maintenance.
Specifically, when the cable fixing device in the technical scheme is used, one end of a shielding layer of a cable is turned over to form an annular embedding groove for accommodating a clamping ring, and the clamping ring is sleeved outside the cable and pushed into the annular embedding groove; the first sleeve is sleeved outside the cable and pushed to the position of the clamp ring, then the second sleeve is sleeved outside the cable and pushed to be in threaded fit with the inner wall of the first sleeve and tightly press the clamp ring, namely, the second external thread is matched and screwed with the first internal thread, and the shielding layer of the cable is tightly pressed between the clamp ring and the second sleeve by matching with the clamp ring, so that the grounding of the shielding layer of the cable is facilitated; sleeving the cable fixing component outside the cable and performing threaded fit with the outer wall of the first sleeve to clamp and fix the cable, namely, pre-clamping the cable through the clamping part, then performing matched screwing on through the first external thread and the second internal thread to connect the first sleeve and the cable fixing component, and simultaneously performing secondary clamping on the cable through the clamping part by virtue of threaded screwing so as to complete the fixation of the cable; keep away from the cable and the second sleeve in the special hole that first sleeve place end inserted ground copper bar to carry out screw-thread fit through ground nut with the second sleeve will the second sleeve lock in on the ground copper bar, screw up through third external screw thread and the cooperation of third internal thread promptly, lock the second sleeve on the ground copper bar, accomplish the ground connection to cable shield, simultaneously because the second sleeve is connected with first sleeve, first sleeve is connected with the cable fixed subassembly, so the fixing of cable has been realized to the second sleeve of this technical scheme inserts the special hole of ground copper bar, compresses tightly through ground nut, has also solved the cable shutoff problem, and the shutoff reliability is high.
In one embodiment, the cable fixing assembly comprises a fixing nut and a fixing ring which is arranged between the first sleeve and the cable and matched with the fixing nut; the second internal thread is arranged on the fixing nut, and the clamping part is arranged on the fixing ring.
In one embodiment, the fixing ring comprises a matching part connected with the clamping part, the outer diameter of the matching part is matched with the inner diameter of the first sleeve, and the inner diameter of the clamping part is matched with the outer diameter of the cable; the outer diameter of the clamping part is larger than that of the matching part, and the outer diameter of the clamping part is in interference fit with the inner diameter of the fixing nut.
In one embodiment, the inner wall of the first sleeve is provided with a first limiting step for limiting the fixing ring.
In one embodiment, the securing ring is a soft elastomeric ring.
In one embodiment, the snap ring is of a frustum-shaped structure, and the direction from the small-diameter end of the snap ring to the large-diameter end of the snap ring is the same as the direction from the end of the third external thread on the second sleeve to the end of the second external thread; the outer diameter of the small-diameter end of the clamping ring is smaller than the inner diameter of the second sleeve.
In one embodiment, the snap ring is an elastic snap ring with resetting capability.
In one embodiment, the inner wall of the first sleeve is provided with a second limiting step for limiting the snap ring.
In one embodiment, the cable fixing device further comprises a ground copper bar, a special hole is formed in the ground copper bar, the diameter of the special hole is matched with the outer diameter of the end where the third external thread of the second sleeve is located, and a pressing step used for being matched with the ground nut to press the ground copper bar in a pressing mode is formed in the outer wall of the second sleeve.
The technical scheme also provides a cable fixing method, which comprises the following steps:
turning over one end of a shielding layer of the cable to form an annular embedding groove;
sleeving a clamping ring outside the cable and pushing the clamping ring into the annular embedding groove;
sleeving the first sleeve outside the cable and pushing the first sleeve to the position of the clamping ring;
sleeving a second sleeve outside the cable, pushing the second sleeve to be in threaded fit with the inner wall of the first sleeve, and pressing the clamping ring tightly;
sleeving a cable fixing component outside the cable and performing threaded fit with the outer wall of the first sleeve to clamp and fix the cable;
and inserting the cable and the end of the second sleeve far away from the first sleeve into a special hole of the ground copper bar, and locking the second sleeve on the ground copper bar through the threaded matching of a ground nut and the second sleeve.
According to the cable fixing method, the grounding process of the cable shielding layer during laying of the secondary cable is simplified, the grounding efficiency and the grounding reliability are improved, meanwhile, the fixing and plugging processes of the secondary cable are improved, the reliability is high, and the later-stage operation and maintenance are facilitated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is an exploded view of a cable fixing device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a cable fixture device according to an embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of a first cable fixing device according to an embodiment of the present invention;
FIG. 4 is a second partial cross-sectional view of a cable fixture device according to an embodiment of the present invention;
fig. 5 is a schematic view of a cable fixing device according to an embodiment of the present invention in a use state.
Description of reference numerals:
10. a first sleeve; 11. a first internal thread; 12. a first external thread; 13. a first limit step; 14. a second limit step; 20. a second sleeve; 21. a second external thread; 22. a third external thread; 23. pressing the step; 30. a snap ring; 40. a cable securing assembly; 41. a clamping part; 42. a second internal thread; 43. fixing a nut; 45. a fixing ring; 451. a fitting portion; 50. a ground nut; 51. a third internal thread; 60. a cable; 61. a shielding layer; 70. a ground copper bar; 71. a dedicated hole.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
A cable fixture device as shown in fig. 1-2, comprising: the inner wall of the first sleeve 10 is provided with a first internal thread 11, and the outer wall of the first sleeve 10 is provided with a first external thread 12; a second sleeve 20, wherein a second external thread 21 and a third external thread 22 are respectively arranged at two ends of the second sleeve 20, and the second external thread 21 is matched with the first internal thread 11; the clamping ring 30 is sleeved outside the cable and positioned between the second sleeve 20 and the shielding layer 61 of the cable 60; the cable 60 fixing component 40 is provided with a clamping part 41 matched with the outer diameter of the cable 60, and the cable 60 fixing component 40 is provided with a second internal thread 42 matched with the first external thread 12; and a grounding nut 50 provided with a third internal thread 51 engaged with the third external thread 22.
The cable fixing device of the embodiment simplifies the grounding process of the shielding layer 61 of the cable 60 when the secondary cable 60 is laid, improves the grounding efficiency and the grounding reliability, improves the fixing and plugging processes of the secondary cable 60, is high in reliability, and facilitates later-stage operation and maintenance.
As shown in fig. 1 to 3, specifically, when the cable fixing device of the present embodiment is used, one end of the shielding layer 61 of the cable 60 is folded to form an annular embedding groove for accommodating the snap ring 30, and the snap ring 30 is sleeved outside the cable 60 and pushed into the annular embedding groove; sleeving the first sleeve 10 outside the cable 60 and pushing the first sleeve to the position of the snap ring 30, sleeving the second sleeve 20 outside the cable 60 and pushing the second sleeve to be in threaded fit with the inner wall of the first sleeve 10 and tightly pressing the snap ring 30, namely, the second external thread 21 is tightly screwed in a fit manner with the first internal thread 11 and is tightly pressed between the snap ring 30 and the second sleeve 20 in a fit manner with the snap ring 30, so that the shielding layer 61 of the cable 60 is conveniently grounded; sleeving the cable 60 fixing component 40 outside the cable 60 and performing threaded fit with the outer wall of the first sleeve 10 to clamp and fix the cable 60, namely, pre-clamping the cable 60 through the clamping part 41, then performing matched tightening on the first external thread 12 and the second internal thread 42, connecting the first sleeve 10 with the cable 60 fixing component 40, and simultaneously performing secondary clamping on the cable 60 through the clamping part 41 by virtue of threaded tightening so as to finish fixing the cable 60; the cable 60 and the end of the second sleeve 20 far away from the first sleeve 10 are inserted into the special hole 71 of the ground copper bar 70, the second sleeve 20 is locked on the ground copper bar 70 through the threaded matching of the ground nut 50 and the second sleeve 20, namely the second sleeve 20 is locked on the ground copper bar 70 through the matching and screwing of the third external thread 22 and the third internal thread 51, the grounding of the shielding layer 61 of the cable 60 is completed, and meanwhile, because the second sleeve 20 is connected with the first sleeve 10 and the first sleeve 10 is connected with the cable 60 fixing component 40, the fixing of the cable 60 is realized, and the second sleeve 20 of the embodiment is inserted into the special hole 71 of the ground copper bar 70 and is compressed through the ground nut 50, the problem of plugging of the cable 60 is also solved, and the plugging reliability is high.
As shown in fig. 1 and 2 in conjunction with fig. 4, the cable 60 fixing assembly 40 of the present embodiment includes a fixing nut 43 and a fixing ring 45 disposed between the first sleeve 10 and the cable 60 and engaged with the fixing nut 43; the second internal thread 42 is provided on the fixing nut 43, and the clamping portion 41 is provided on the fixing ring 45. The fixing ring 45 is sleeved on the cable 60, the cable 60 is encircled through the clamping part 41 to be pre-tightened, then the fixing nut 43 is screwed with the first sleeve 10 in a threaded manner, the fixing ring 45 is tightly pressed on the cable 60, and the tightness and the pressing reliability of the clamping part 41 and the cable 60 are improved.
The fixing ring 45 of the present embodiment includes a fitting portion 451 connected to the clamping portion 41, an outer diameter of the fitting portion 451 is adapted to an inner diameter of the first sleeve 10, so that the fitting portion 451 can be inserted into the first sleeve 10, and an inner diameter of the clamping portion 41 is adapted to an outer diameter of the cable 60, so that the clamping portion 41 performs a pre-tightening function on the cable 60 when no external force is applied; the outer diameter of the clamping part 41 is larger than the outer diameter of the matching part 451, and the outer diameter of the clamping part 41 is in interference fit with the inner diameter of the fixing nut 43, so that when the fixing nut 43 is screwed, the clamping part 41 can be pressed, and the clamping part 41 can press the cable 60 for the second time.
Because first sleeve 10 still need leave the space and cooperate with second sleeve 20 and snap ring 30, so in order to avoid solid fixed ring 45 to insert the degree of depth of first sleeve 10 too deeply, and influence the assembly effect of second sleeve 20 and snap ring 30, the inner wall of first sleeve 10 is equipped with right gu fixed ring 45 carries out spacing first spacing step 13, promptly first spacing step 13 cooperates with the tip butt of cooperation portion 451, and the degree of depth that inserts first sleeve 10 to solid fixed ring 45 is spacing, improves the assembly precision. The first stopper step 13 of the present embodiment has an annular boss structure extending in the direction of the central axis of the first sleeve 10.
In order to ensure the effect of the fixing nut 43 compressing the fixing ring 45 and the effect of the fixing ring 45 clamping the cable 60, the fixing ring 45 is a soft elastic ring, the fixing ring 45 in this embodiment is a rubber ring, and in other embodiments, may be a silica gel ring, a plastic ring, or other soft elastic rings.
In order to facilitate the snap ring 30 to be sleeved into the cable 60 and to facilitate the guiding of the second sleeve 20 for compressing the snap ring 30, in the present embodiment, the snap ring 30 has a frustum-shaped structure, and a direction from a small-diameter end of the snap ring 30 to a large-diameter end of the snap ring 30 is the same as a direction from an end of the third external thread 22 on the second sleeve 20 to an end of the second external thread 21; the outer diameter of the small diameter end of the snap ring 30 is smaller than the inner diameter of the second sleeve 20. The major diameter end through snap ring 30 is taken lead to cover outside cable 60, makes things convenient for snap ring 30's cover to establish, and the external diameter of minor diameter end is less than the internal diameter of second sleeve 20, makes second sleeve 20 insert to first sleeve 10 in the back, can press the lower footpath end outside at snap ring 30 with the vigour, and because snap ring 30 is the frustum structure, the outer wall of snap ring 30 is the inclined plane promptly, thereby when second sleeve 20 is screwed up to in the first sleeve 10 in order to compress tightly snap ring 30 more deeply along the screw thread direction, the outer wall of snap ring 30 also has certain guide effect. Meanwhile, the frustum-shaped snap ring 30 also ensures the compression effect of the shielding layer 61 and the second sleeve 20.
The snap ring 30 of the present embodiment is an elastic snap ring 30 having a restoring capability, so that when the second sleeve 20 compresses the snap ring 30, the snap ring 30 can be elastically deformed to fit the inner diameter of the second sleeve 20, and meanwhile, since the snap ring 30 has the restoring capability, when the snap ring 30 is compressed, an expansion force is continuously output to the outside, so as to ensure the compressing effect. The elastic snap ring 30 is a thin metal sheet snap ring 30 or a plastic snap ring 30 or a rubber snap ring 30 or a silica gel snap ring 30, etc.
Since the second sleeve 20 has a certain pushing force on the snap ring 30 when being screwed into the direction of the snap ring 30, in order to avoid the snap ring 30 being pushed along to affect the snap ring 30 and the second sleeve 20 to cooperate to compress the shielding layer 61 of the cable 60, the inner wall of the first sleeve 10 of the present embodiment is provided with the second limiting step 14 for limiting the snap ring 30. That is, the small-diameter end of the snap ring 30 is inlaid in the annular inlaid groove formed by folding the shielding layer 61, and the large-diameter end of the snap ring 30 is abutted and matched with the second limiting step 14 to limit the snap ring 30, so that the assembly precision is improved, and the compression effect is improved. The second stopper step 14 of the present embodiment has an annular boss structure extending in the central axis direction of the first sleeve 10. Moreover, in order to simplify the processing procedure of the first sleeve 10 and make the structure of the first sleeve 10 more compact, the first limit step 13 and the second limit step 14 of the present embodiment are shared, that is, the same annular boss structure is used, wherein a first side of the annular boss structure is used as the first limit step 13 to abut against the fixing ring 45, and a second side opposite to the first side of the annular boss structure is used as the second limit step 14 to abut against the snap ring 30.
As shown in fig. 1 and fig. 2 in combination with fig. 5, the cable fixing device of this embodiment further includes a ground copper bar 70, a dedicated hole 71 is disposed on the ground copper bar 70, an aperture of the dedicated hole 71 is matched with an outer diameter of an end of the second sleeve 20 where the third external thread 22 is located, and a pressing step 23 for pressing the ground copper bar 70 in cooperation with the ground nut 50 is disposed on an outer wall of the second sleeve 20. The cable 60 and the end, far away from the first sleeve 10, of the second sleeve 20 are inserted into the special hole 71 of the ground copper bar 70, the second sleeve 20 is locked on the ground copper bar 70 through the threaded matching of the ground nut 50 and the second sleeve 20, namely the second sleeve 20 is locked on the ground copper bar 70 through the matching and screwing of the third external thread 22 and the third internal thread 51, the grounding of the shielding layer 61 of the cable 60 is completed, the problem of the blocking of the cable 60 is solved through the compression of the ground nut 50, and the blocking reliability is high. The pressing step 23 is an annular boss structure extending in the direction away from the central axis of the second sleeve 20, and the pressing step 23 is matched with the grounding nut 50 to press the grounding copper bar 70 to complete grounding.
The present embodiment further provides a method for fixing the cable 60, including the following steps:
turning over one end of the shielding layer 61 of the cable 60 to form an annular embedding groove;
sleeving the snap ring 30 outside the cable 60 and pushing the snap ring into the annular embedding groove;
sleeving the first sleeve 10 outside the cable 60 and pushing the first sleeve to the position of the snap ring 30;
sleeving the second sleeve 20 outside the cable 60 and pushing the second sleeve to be in threaded fit with the inner wall of the first sleeve 10 and tightly pressing the snap ring 30;
sleeving the cable 60 fixing component 40 outside the cable 60 and performing threaded fit with the outer wall of the first sleeve 10 to clamp and fix the cable 60;
the cable 60 and the end of the second sleeve 20 away from the first sleeve 10 are inserted into the special hole 71 of the ground copper bar 70, and the second sleeve 20 is locked on the ground copper bar 70 through the threaded engagement of the ground nut 50 and the second sleeve 20.
The cable 60 fixing method of the embodiment simplifies the grounding process of the shielding layer 61 of the cable 60 when the secondary cable 60 is laid, improves the grounding efficiency and the grounding reliability, improves the fixing and plugging processes of the secondary cable 60, has high reliability, and is convenient for later-stage operation and maintenance.
Specifically, when the method for fixing the cable 60 according to the present embodiment is used, one end of the shielding layer 61 of the cable 60 is folded to form an annular embedding groove for accommodating the snap ring 30, and the snap ring 30 is sleeved outside the cable 60 and pushed into the annular embedding groove; sleeving the first sleeve 10 outside the cable 60 and pushing the first sleeve to the position of the snap ring 30, sleeving the second sleeve 20 outside the cable 60 and pushing the second sleeve to be in threaded fit with the inner wall of the first sleeve 10 and tightly pressing the snap ring 30, namely, the second external thread 21 is tightly screwed in a fit manner with the first internal thread 11 and is tightly pressed between the snap ring 30 and the second sleeve 20 in a fit manner with the snap ring 30, so that the shielding layer 61 of the cable 60 is conveniently grounded; sleeving the cable 60 fixing component 40 outside the cable 60 and performing threaded fit with the outer wall of the first sleeve 10 to clamp and fix the cable 60, namely, pre-clamping the cable 60 through the clamping part 41, then performing matched tightening on the first external thread 12 and the second internal thread 42, connecting the first sleeve 10 with the cable 60 fixing component 40, and simultaneously performing secondary clamping on the cable 60 through the clamping part 41 by virtue of threaded tightening so as to finish fixing the cable 60; the cable 60 and the end of the second sleeve 20 far away from the first sleeve 10 are inserted into the special hole 71 of the ground copper bar 70, the second sleeve 20 is locked on the ground copper bar 70 through the threaded matching of the ground nut 50 and the second sleeve 20, namely the second sleeve 20 is locked on the ground copper bar 70 through the matching and screwing of the third external thread 22 and the third internal thread 51, the grounding of the shielding layer 61 of the cable 60 is completed, and meanwhile, because the second sleeve 20 is connected with the first sleeve 10 and the first sleeve 10 is connected with the cable 60 fixing component 40, the fixing of the cable 60 is realized, and the second sleeve 20 of the embodiment is inserted into the special hole 71 of the ground copper bar 70 and is compressed through the ground nut 50, the problem of plugging of the cable 60 is also solved, and the plugging reliability is high.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Claims (10)
1. A cable fixture device, comprising:
the inner wall of the first sleeve is provided with a first internal thread, and the outer wall of the first sleeve is provided with a first external thread;
the two ends of the second sleeve are respectively provided with a second external thread and a third external thread, and the second external thread is matched with the first internal thread;
the clamping ring is sleeved outside the cable and positioned between the second sleeve and the shielding layer of the cable, the clamping ring is of a frustum-shaped structure, the direction from the small-diameter end of the clamping ring to the large-diameter end of the clamping ring is consistent with the direction from the end where the third external thread is located on the second sleeve to the end where the second external thread is located, the outer end of the small-diameter end of the clamping ring is smaller than the inner diameter of the second sleeve, and the clamping ring is an elastic clamping ring with resetting capability;
the cable fixing component is provided with a clamping part matched with the outer diameter of the cable, and the cable fixing component is provided with a second internal thread matched with the first external thread;
and the grounding nut is provided with a third internal thread matched with the third external thread.
2. The cable fixation device of claim 1, wherein the cable fixation assembly includes a fixation nut and a fixation ring disposed between the first sleeve and the cable and engaged with the fixation nut; the second internal thread is arranged on the fixing nut, and the clamping part is arranged on the fixing ring.
3. The cable fixture device according to claim 2, wherein the fixing ring includes a fitting portion connected to the clamping portion, an outer diameter of the fitting portion fitting to an inner diameter of the first sleeve, and an inner diameter of the clamping portion fitting to an outer diameter of the cable; the outer diameter of the clamping part is larger than that of the matching part, and the outer diameter of the clamping part is in interference fit with the inner diameter of the fixing nut.
4. The cable fixing device according to claim 2, wherein the inner wall of the first sleeve is provided with a first stopper step for stopping the fixing ring.
5. The cable fixture device of claim 4, wherein the first retention step is an annular ledge structure extending in a direction along the central axis of the first sleeve.
6. The cable fixture device according to claim 2, wherein the securing ring is a soft elastomeric ring.
7. The cable fixture device of claim 1, wherein the first sleeve outer wall is of hexagonal configuration at locations other than the first external threads.
8. The cable fixture device according to claim 1, wherein the inner wall of the first sleeve is provided with a second retaining step for retaining the snap ring.
9. The cable fixing device according to any one of claims 1 to 8, further comprising a ground copper bar, wherein a dedicated hole is formed in the ground copper bar, the aperture of the dedicated hole matches with the outer diameter of the end of the second sleeve where the third external thread is located, and a pressing step for pressing the ground copper bar in cooperation with the ground nut is formed in the outer wall of the second sleeve.
10. A cable fixing method using the cable fixing device according to any one of claims 1 to 9, the cable fixing method comprising the steps of:
turning over one end of a shielding layer of the cable to form an annular embedding groove;
sleeving a clamping ring outside the cable and pushing the clamping ring into the annular embedding groove;
sleeving the first sleeve outside the cable and pushing the first sleeve to the position of the clamping ring;
sleeving a second sleeve outside the cable, pushing the second sleeve to be in threaded fit with the inner wall of the first sleeve, and pressing the clamping ring tightly;
sleeving a cable fixing component outside the cable and performing threaded fit with the outer wall of the first sleeve to clamp and fix the cable;
and inserting the cable and the end of the second sleeve far away from the first sleeve into a special hole of the ground copper bar, and locking the second sleeve on the ground copper bar by performing threaded fit with the first sleeve through a ground nut.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010862908.9A CN112038995B (en) | 2020-08-25 | 2020-08-25 | Cable fixing device and cable fixing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010862908.9A CN112038995B (en) | 2020-08-25 | 2020-08-25 | Cable fixing device and cable fixing method |
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| CN112038995A CN112038995A (en) | 2020-12-04 |
| CN112038995B true CN112038995B (en) | 2022-03-22 |
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| CN112838389B (en) * | 2020-12-23 | 2022-07-01 | 江苏苏缆电缆有限公司 | Multifunctional cable connecting device and working method |
| CN112803345A (en) * | 2021-02-26 | 2021-05-14 | 南通明光电线有限公司 | Doubling structure of multi-strand wire group |
| CN114152842B (en) * | 2021-10-18 | 2023-12-01 | 广州电缆厂有限公司 | A quick detection device for cable voltage test |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702477A (en) * | 2009-11-23 | 2010-05-05 | 泰兴市航联电连接器有限公司 | Tail clamping and locking mechanism of low-frequency electric connector |
| US9385520B1 (en) * | 2014-06-19 | 2016-07-05 | Arlington Industries, Inc. | Rain tight fitting for PVC jacketed metal-clad electrical cable |
| CN111404451A (en) * | 2020-03-19 | 2020-07-10 | 深圳供电局有限公司 | Micro-grid system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009013522U1 (en) * | 2009-10-07 | 2009-12-24 | Hummel Ag | Cable gland for a shielded cable |
| CH704182A2 (en) * | 2010-12-01 | 2012-06-15 | Agro Ag | Holding device for holding a cable. |
| WO2014189718A1 (en) * | 2013-05-20 | 2014-11-27 | Corning Optical Communications Rf Llc | Coaxial cable connector with integral rfi protection |
| EP3087640B1 (en) * | 2013-12-24 | 2020-12-09 | PPC Broadband, Inc. | A connector having an inner conductor engager |
| CN204577748U (en) * | 2015-04-30 | 2015-08-19 | 昆山西威联电气系统有限公司 | A kind of metallic shield joint |
| DE102018110026B4 (en) * | 2018-04-26 | 2022-07-28 | Vega Grieshaber Kg | Plastic electrical housing |
| CN110299653A (en) * | 2018-11-21 | 2019-10-01 | 陕西金信诺电子技术有限公司 | A kind of SMA type radio frequency (RF) coaxial connector that semi-rigid cable and phase-adjustable section is coupled |
| CN209298813U (en) * | 2019-01-08 | 2019-08-23 | 倍仕得电气科技（杭州）股份有限公司 | A kind of sheath hose coupling |
| CN111431137B (en) * | 2020-04-20 | 2021-12-21 | 深圳供电局有限公司 | Cable intermediate joint |
-
2020
- 2020-08-25 CN CN202010862908.9A patent/CN112038995B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702477A (en) * | 2009-11-23 | 2010-05-05 | 泰兴市航联电连接器有限公司 | Tail clamping and locking mechanism of low-frequency electric connector |
| US9385520B1 (en) * | 2014-06-19 | 2016-07-05 | Arlington Industries, Inc. | Rain tight fitting for PVC jacketed metal-clad electrical cable |
| CN111404451A (en) * | 2020-03-19 | 2020-07-10 | 深圳供电局有限公司 | Micro-grid system |
Non-Patent Citations (1)
| Title |
|---|
| 接地系统在智能建筑中的应用;童友志;《安徽建筑》;20070620(第03期);第165-167页 * |
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