CN204290202U - A kind of cable fixing head - Google Patents
A kind of cable fixing head Download PDFInfo
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- CN204290202U CN204290202U CN201420742574.1U CN201420742574U CN204290202U CN 204290202 U CN204290202 U CN 204290202U CN 201420742574 U CN201420742574 U CN 201420742574U CN 204290202 U CN204290202 U CN 204290202U
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- locking nut
- adapter body
- groove
- fixing head
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Abstract
The utility model provides a kind of cable fixing head, and comprise adapter body and be coated at the locknut that adapter body cable penetrates end, the cable traversing through end of adapter body has first thread segment that can penetrate in the casing of machinery equipment; The locking nut coordinated with the first thread segment, adapter body is fixed on casing by locking nut; The internal thread of locking nut is provided with locking tooth, and the external screw thread of the first thread segment is provided with the first retaining draw-in groove coordinated with locking tooth.Due to locking nut towards screw direction rotate time, the sliding surface of the locking tooth on locking nut can slide in the external screw thread of the first thread segment along the guiding groove face of the first retaining draw-in groove, realizes the precession of locking nut; When locking nut is subject to towards when unscrewing active force that direction rotates, the confined planes of the locking tooth on locking nut can be engaged with the stop bit groove face of the first retaining draw-in groove, locking nut cannot rotate, thus avoids locking nut to occur to loosen, and improves the steadiness of cable fixing head in machinery equipment.
Description
Technical field
The utility model relates to technical field of power systems, more particularly, relates to a kind of cable fixing head.
Background technology
In electric power system, cable often needs to enter in the casing of machinery equipment, is connected with the electric component of its inside.Make cable pass casing mainly through cable fixing head at present and be fixed on casing, this cable fixing head can play a protective role to cable, prevents external factor from causing damage to cable.
Traditional cable fixing head mainly comprises the locknut that adapter body and the cable that is coated at adapter body penetrate end, wherein, adapter body offers the installation through hole that current supply cable passes, the cable traversing through end of adapter body has thread segment, and it is fixed on casing by the nut coordinated with thread segment; Locknut can be tightened in adapter body.During installation, first locknut is enclosed within cable, then makes cable penetrate the installation through hole of adapter body, and make locknut be tightened in adapter body, finally by hex nut, adapter body is fixed on casing, thus realize fixing cable.
But machinery equipment is normal with vibrations in running, cable fixing head can occur loosening because of the vibrations of machinery equipment in machinery equipment, causes the easier electric component from machinery equipment of cable to pull, there is the potential safety hazard of machinery equipment power-off, electric leakage.
In sum, how to improve the steadiness of cable fixing head in machinery equipment, with loosening of reducing that cable joint occurs in machinery equipment because of the vibrations of machinery equipment, thus the situation that minimizing cable pulls from the electric component of machinery equipment, reducing the potential safety hazard of machinery equipment power-off, electric leakage, is current those skilled in the art technical problems urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of cable fixing head, to improve the steadiness of cable fixing head in machinery equipment, that reduces that cable joint occurs in machinery equipment because of the vibrations of machinery equipment loosens, thus the situation that minimizing cable pulls from the electric component of machinery equipment, reduce the potential safety hazard of machinery equipment power-off, electric leakage.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of cable fixing head, comprise the locknut that the adapter body offering the installation through hole that current supply cable passes through and the cable being coated at described adapter body penetrate end, the cable traversing through end of described adapter body has first thread segment that can penetrate in the casing of machinery equipment; Described cable fixing head also comprises the locking nut coordinated with described first thread segment, and described adapter body is fixed on described casing by described locking nut;
The internal thread of described locking nut is provided with locking tooth, the external screw thread of described first thread segment is provided with the first retaining draw-in groove coordinated with described locking tooth;
Wherein, described first retaining draw-in groove has and screws guiding groove face that direction extends and the described locking tooth of the restriction stop bit groove face towards the direction turn unscrewed along described locking nut, screw along described locking nut the front portion that the groove face that to lead described in direction is positioned at described stop bit groove face, and successively decrease to the distance of the central axis of adapter body described in gathering sill identity distance described in the one end away from described stop bit groove face Zi the one end near described stop bit groove face;
Described locking tooth has the confined planes that can be engaged with described stop bit groove face and the sliding surface that can slip into along described guiding groove face in the external screw thread of described first thread segment.
Preferably, in above-mentioned cable fixing head, described locking tooth is lance tooth; Described first retaining draw-in groove runs through whole described first thread segment along the axis of described adapter body.
Preferably, in above-mentioned cable fixing head, described locking tooth is six, and is evenly arranged at the tail end of described locking nut along the whole circumference of described locking nut; Described first retaining draw-in groove is six, and described locking tooth is spacing in described first retaining draw-in groove one by one when described locking nut is tightened on described first thread segment.
Preferably, in above-mentioned cable fixing head, described locking nut is hex nut, and the head end of described locking nut is also provided with and stops into ring for first of dowelled spanner, and described first stops the circumferential outer surface protruding from described locking nut into ring.
Preferably, in above-mentioned cable fixing head, described adapter body has the second thread segment and can clamp the clamp jaw of described cable, and the cable that described clamp jaw is positioned at described adapter body penetrates end;
Described cable fixing head also comprises the sealing ring for making described cable and described clamp jaw be sealed and matched; Wherein:
Described clamp jaw is placed in described sealing ring; Described locknut has the internal thread that coordinates with the external screw thread of described second thread segment and makes described sealing ring shrink the clamping part clamping described cable for making described clamp jaw inwardly tighten up, and the cable that described clamping part is positioned at described locknut penetrates end.
Preferably, in above-mentioned cable fixing head, the circumferential outer surface of described locknut is provided with six anti-skidding arc grooves, described anti-skidding arc groove is uniformly distributed along the circumference of described locknut, and the bottom surface of described anti-skidding arc groove is provided with multiple bar shaped anti-slip tanks that the axis along described locknut arranges.
Preferably, in above-mentioned cable fixing head, described clamping part is penetrate the conical bore of end to cable traversing through end flaring from cable; The retaining hole wall of described conical bore is also provided with for preventing described locknut from getting loose is protruding, described clamp jaw has the second retaining draw-in groove, and described retaining projection is fastened in described second retaining draw-in groove when described locknut inwardly tightens up described clamp jaw;
Described clamp jaw comprises the multiple points of pawls that the circumference along described adapter body is evenly arranged, and is provided with gap described in adjacent two between point pawl, and forms described second retaining draw-in groove with the protruding corresponding described gap of described retaining.
Preferably, in above-mentioned cable fixing head, the outer peripheral face that the cable of described sealing ring penetrates end is provided with the first stopper slot, and the cable of described clamp jaw penetrates on end inner peripheral surface and is provided with the first spacing preiection be fastened in described first stopper slot;
The inner peripheral surface of the cable traversing through end of described sealing ring offers the second stopper slot, the inner peripheral surface of the cable traversing through end of described clamp jaw is provided with and offsets with the cable traversing through end of described sealing ring and to be fastened on the second spacing preiection in described second stopper slot, and the inner ring diameter of described second spacing preiection is identical with the internal diameter of described sealing ring.
Preferably, in above-mentioned cable fixing head, the head end of described locknut is provided with and stops into ring for second of dowelled spanner, describedly stops the circumferential outer surface protruding from described locknut into ring.
Preferably, in above-mentioned cable fixing head, location division for offseting with the outer wall of described casing in described adapter body is the setscrew nut being coated at described adapter body, described setscrew nut and described adapter body are integral type structure, and described setscrew nut coordinates with described locking nut can clamp described casing.
As can be seen from above-mentioned technical scheme, the cable fixing head that the utility model provides comprises the locknut that the adapter body offering the installation through hole that current supply cable passes through and the cable being coated at adapter body penetrate end, and the cable traversing through end of adapter body has first thread segment that can penetrate in the casing of machinery equipment; Cable fixing head also comprises the locking nut coordinated with the first thread segment, and adapter body is fixed on casing by locking nut; Wherein, the internal thread of locking nut is provided with locking tooth, the external screw thread of the first thread segment is provided with the first retaining draw-in groove coordinated with locking tooth; First retaining draw-in groove has and screws guiding groove face and restriction locking tooth that direction extends towards the stop bit groove face of direction turn unscrewed along locking nut, the direction guiding groove face that screws along locking nut is positioned at the front portion of stop bit groove face, and successively decreases to the distance of the central axis of one end gathering sill identity distance adapter body away from stop bit groove face from one end of close stop bit groove face; Locking tooth has the confined planes that can be engaged with stop bit groove face and the sliding surface that can slip into along the groove face that leads in the external screw thread of the first thread segment.
It will be understood by those skilled in the art that, the position of above-mentioned first retaining draw-in groove can ensure when locking nut and cabinet wall offset, locking tooth on locking nut just in time snaps in the first retaining draw-in groove, thus can reach retaining effect when locking nut and adapter body are tightened.
When on the casing needing cable fixing head to be fixed on machinery equipment, first make the first thread segment of adapter body through in the installing hole of casing, and make the location division outside adapter body be resisted against on the outer wall of casing, then from box inside, locking nut is tightened on the first thread segment, make it be resisted against on the inwall of casing, thus utilize locking nut to coordinate with the location division of adapter body the installation realizing cable fixing head.
Due to locking nut of the present utility model towards screw direction rotate time, the sliding surface of the locking tooth on locking nut can slide in the external screw thread of the first thread segment along the guiding groove face of the first retaining draw-in groove, realizes the precession of locking nut; When locking nut is subject to towards when unscrewing active force that direction rotates, the confined planes of the locking tooth on locking nut can be engaged with the stop bit groove face of the first retaining draw-in groove, and locking nut cannot rotate, thus it is loosening that locking nut can be avoided to occur.
In summary, when locking nut of the present utility model screws, locking tooth snaps in the first retaining draw-in groove, now locking nut is merely able to rotate along screwing direction, can not reverse rotation, tightness is better, so cable fixing head improves the steadiness of cable fixing head in machinery equipment, that can reduce that cable joint occurs in machinery equipment because of the vibrations of machinery equipment loosens, thus decrease the situation that cable pulls from the electric component of machinery equipment, reduce the potential safety hazard of machinery equipment power-off, electric leakage.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the cable fixing head that the utility model embodiment provides;
Fig. 2 is the structural representation of the joint body that the utility model embodiment provides;
Fig. 3 is another structural representation of the joint body that the utility model embodiment provides;
Fig. 4 is the structural representation of the locking nut that the utility model embodiment provides;
Fig. 5 is the structural representation of the locknut that the utility model embodiment provides;
Fig. 6 is the cross section structure figure of the locknut that the utility model embodiment provides;
Fig. 7 is the cross section structure figure of the sealing ring that the utility model embodiment provides.
Embodiment
The utility model embodiment provides a kind of cable fixing head, improve the steadiness of cable fixing head in machinery equipment, what decrease that cable joint occurs in machinery equipment because of the vibrations of machinery equipment loosens, thus decrease the situation that cable pulls from the electric component of machinery equipment, reduce the potential safety hazard of machinery equipment power-off, electric leakage.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to accompanying drawing 1, the cable fixing head that the utility model embodiment provides comprises the locknut 3 that the adapter body 1 offering the installation through hole that current supply cable passes through and the cable being coated at adapter body 1 penetrate end, and the cable traversing through end of adapter body 1 has first thread segment 11 that can penetrate in the casing of machinery equipment; Cable fixing head also comprises the locking nut 2 coordinated with the first thread segment 11, and adapter body 1 is fixed on casing by locking nut 2; Wherein, the internal thread of locking nut 2 is provided with locking tooth 21, the external screw thread of the first thread segment 11 is provided with the first retaining draw-in groove 12 coordinated with locking tooth 21; First retaining draw-in groove 12 has and screws guiding groove face and restriction locking tooth 21 that direction extends towards the stop bit groove face of the direction turn unscrewed along locking nut 2, the direction guiding groove face that screws along locking nut 2 is positioned at the front portion of stop bit groove face, and successively decreases to the distance of the central axis of one end gathering sill identity distance adapter body 1 away from stop bit groove face from one end of close stop bit groove face; Locking tooth 21 has the confined planes that can be engaged with stop bit groove face and the sliding surface that can slip into along the groove face that leads in the external screw thread of the first thread segment 11.
It will be understood by those skilled in the art that, the position of above-mentioned first retaining draw-in groove 12 can ensure when locking nut 2 offsets with cabinet wall, locking tooth 21 on locking nut 2 just in time snaps in the first retaining draw-in groove 12, thus can reach retaining effect when locking nut 2 is tightened with adapter body 1.
When on the casing needing cable fixing head to be fixed on machinery equipment, first make the first thread segment 11 of adapter body 1 through in the installing hole of casing, and make the location division outside adapter body 1 be resisted against on the outer wall of casing, then from box inside, locking nut 2 is tightened on the first thread segment 11, make it be resisted against on the inwall of casing, thus utilize locking nut 2 to coordinate with the location division of adapter body 1 installation realizing cable fixing head.
Due to locking nut 2 of the present utility model towards screw direction rotate time, the sliding surface of the locking tooth 21 on locking nut 2 can slide in the external screw thread of the first thread segment 11 along the guiding groove face of the first retaining draw-in groove 12, realizes the precession of locking nut 2; When locking nut 2 is subject to towards when unscrewing active force that direction rotates, the confined planes of the locking tooth 21 on locking nut 2 can be engaged with the stop bit groove face of the first retaining draw-in groove 12, and locking nut 2 cannot rotate, thus it is loosening that locking nut 2 can be avoided to occur.
In summary, when locking nut 2 of the present utility model screws, locking tooth 21 snaps in the first retaining draw-in groove 12, now locking nut 2 is merely able to rotate along screwing direction, can not reverse rotation, tightness is better, so cable fixing head improves the steadiness of cable fixing head in machinery equipment, that can reduce that cable joint occurs in machinery equipment because of the vibrations of machinery equipment loosens, thus decrease the situation that cable pulls from the electric component of machinery equipment, reduce the potential safety hazard of machinery equipment power-off, electric leakage.
For the ease of processing, locking tooth 21 is preferably lance tooth; First retaining draw-in groove 12 runs through whole first thread segment 11 along the axis of adapter body 1.The first retaining draw-in groove 12 of the present embodiment is that strip is arranged along the axis of adapter body 1, can process at one time, so, the first retaining draw-in groove 12 that the first thread segment 11 often encloses on screw thread forms a stop bit, improve stop bit effect, further increase the steadiness of cable fixing head.
Preferably, locking tooth 21 is six, and is evenly arranged at the tail end of locking nut 2 along the whole circumference of locking nut 2; First retaining draw-in groove 12 is six, and locking tooth 21 is spacing in the first retaining draw-in groove 12 one by one when locking nut 2 is tightened on the first thread segment 11.When locking nut 2 screws, six locking tooths 21 on locking nut 2 lay respectively in corresponding first supporting leg draw-in groove, and now, the area that the stop bit groove face of the first retaining draw-in groove 12 is engaged with the confined planes of locking tooth 21 is comparatively large, further increases stop bit effect.Certainly, above-mentioned locking tooth 21 and the first retaining draw-in groove 12 can also be other numbers, as three, four or eight etc.
Locking nut 2 is hex nut, is convenient to manufacture.The head end (being namely first spun on one end of the first thread segment 11) of locking nut 2 is also provided with and stops into ring 22 for first of dowelled spanner simultaneously, and first stops the circumferential outer surface protruding from locking nut 2 into ring 22.The utility model by first stop into ring 22 play spanner stop into effect, spanner can be prevented to be set in adapter body 1, thus be convenient to screwing of locking nut 2, above-mentioned first stops the intensity that also add locking nut 2 into ring 22.
In the utility model one specific embodiment, adapter body 1 has the second thread segment 15 and can the clamp jaw 13 of clamping cables, and the cable that clamp jaw 13 is positioned at adapter body 1 penetrates end;
Cable fixing head also comprises the sealing ring 4 for making cable and clamp jaw 13 be sealed and matched; Wherein: in sealing ring 4, be placed on clamp jaw 13; Locknut 3 has the internal thread that coordinates with the external screw thread of the second thread segment 15 and makes sealing ring 4 shrink the clamping part 32 of clamping cables for making clamp jaw 13 inwardly tighten up, and the cable that clamping part 32 is positioned at locknut 3 penetrates end.
During the utility model application, first locknut 3 is enclosed within cable, then cable is made to enter in the installation through hole of adapter body 1, and make the internal thread of locknut 3 aim at the second external screw thread of adapter body 1, screw locknut 3 and then be fastened in adapter body 1 by locknut 3, in the process screwing locknut 3, the clamping part 32 of locknut 3 can force clamp jaw 13 inwardly to tighten up, thus sealing ring 4 is shunk, and then clamping cables; Finally the fixed part of joint master 1 is fixed on casing, the installation of cable can be completed.
The utility model is by locknut 3 packing clamp jaw 13, add the clamping force to cable, can effectively cable is fixed on cable fixing head, prevent cable to be moved, and then achieve cable fixing on casing, improve the connection reliability of cable and components and parts; In clamp jaw 13, add sealing ring 4 simultaneously, sealing ring 4 can prevent dust and moisture from entering casing effectively, improve the sealing between cable and cable fixing head, there is dust-proof, moistureproof and water-proof function preferably, thus improve the fail safe of components and parts in casing.
In addition, cable fixing head of the present utility model can also play good protective action to cable, avoids the situation causing cable to be cut because box plate is thin or cut off, can also lower the potential safety hazard of electric leakage; Above-mentioned cable fixing head can also make cable possess good tensile property simultaneously, avoids cable under the effect of external broach, cause cable and components and parts junction disconnect or produce the situation of loose contact.
In order to optimize technique scheme further, the circumferential outer surface of locknut 3 is provided with six anti-skidding arc grooves 31, anti-skidding arc groove 31 is uniformly distributed along the circumference of locknut 3, and the bottom surface of anti-skidding arc groove 31 is provided with multiple bar shaped anti-slip tanks that the axis along locknut 3 arranges.The present embodiment utilizes above-mentioned bar shaped anti-slip tank to make the bottom surface of anti-skidding arc groove 31 form rubbing surface, when screwing locknut 3, spanner contacts with rubbing surface, frictional force is comparatively large, being convenient to spanner and acting on locknut 3, preventing spanner from when tightening locknut 3, landing occurring.
Preferably, in above-mentioned cable fixing head, clamping part 32 is penetrate the conical bore of end to cable traversing through end flaring from cable; In the process screwing locknut 3, the cable of clamp jaw 13 penetrates end and can enter conical bore, because the aperture screwing direction clamping part 32 along locknut 3 reduces gradually, so the inwall of conical bore can force clamp jaw 13 inwardly to tighten up, thus make sealing ring 4 shrink clamping cables, ensure that the constant intensity of cable.The hole wall of above-mentioned conical bore can play guide effect preferably to clamp jaw 13, is convenient to tightening up of clamp jaw 13; Conical bore can make the whole circumferential uniform stressed of clamp jaw 13 simultaneously, improves the uniformity that cable circumference is stressed.Interchangeable, above-mentioned clamping part 32 for being arranged on the multiple flexure strips on described locknut 3 inwall, to realize same effect clamp jaw 13 being applied to tightening force, can also be introduced at this no longer one by one.
The retaining hole wall of conical bore is also provided with for preventing locknut 3 from getting loose is protruding, clamp jaw 13 has the second retaining draw-in groove, and retaining projection is fastened in the second retaining draw-in groove when locknut 3 inwardly tightens up clamp jaw 13, that is, when screwing locknut 3, retaining projection can block jail effectively with the second retaining draw-in groove of clamp jaw 13, thus can prevent from, because equipment shakes the situation causing locknut 3 to get loose, improve the stability of cable fixing head.Certainly, can also the second retaining draw-in groove be set on the hole wall of conical bore, clamp jaw 13 arranges retaining projection, to realize the same object preventing locknut 3 from getting loose.
Clamp jaw 13 comprises the multiple points of pawls that the circumference along adapter body 1 is evenly arranged, and is provided with gap between two points of adjacent pawls, and forms the second retaining draw-in groove with the protruding corresponding gap of retaining.During application, the clamping part 32 of locknut 3 can force the gap smaller between point pawl, and then reaches and tighten up clamp jaw 13, the object of clamping cables, the clamp jaw 13 of said structure can apply uniform circumferential clamping force to cable, improves the fixed effect of cable.Meanwhile, the utility model directly utilizes gap between point pawl as the second retaining draw-in groove, without the need to other processing, simplifies the structure.
In the utility model one specific embodiment, the outer peripheral face that the cable of sealing ring 4 penetrates end is provided with the first stopper slot 41, and the cable of clamp jaw 13 penetrates on end inner peripheral surface and is provided with the first spacing preiection be fastened in the first stopper slot 41; The inner peripheral surface of the cable traversing through end of sealing ring 4 offers the second stopper slot, the inner peripheral surface of the cable traversing through end of clamp jaw 13 is provided with and offsets with the cable traversing through end of sealing ring 4 and to be fastened on the second spacing preiection in the second stopper slot, and the inner ring diameter of the second spacing preiection is identical with the internal diameter of sealing ring 4.
The utility model is by being fastened in the first stopper slot 41 of sealing ring 4 by the first spacing preiection of clamp jaw 13, achieve the axial location cable of sealing ring 4 being penetrated to end, can reduce cable through time sealing ring 4 ejected displacement or eject situation about coming off.Meanwhile, under the effect of the clamping part 32 of locknut 3, the first spacing preiection of clamp jaw 13 can produce stronger clamping force, thus improves the fixed effect of cable, also improves the tensile strength of electric wire.Axial restraint is carried out by the cable traversing through end of clamping to sealing ring 4 of the second spacing preiection of clamp jaw 13 and the second stopper slot of sealing ring 4, be combined with the first spacing preiection and the first stopper slot 41 simultaneously, improve the axial restraint effect of sealing ring 4, further reduce cable through time sealing ring 4 ejected displacement or eject situation about coming off.Simultaneously, because the inner ring diameter of the second spacing preiection is identical with the internal diameter of sealing ring 4, so the inner surface of clamp jaw 13 is mutually concordant with the inner surface of sealing ring 4, that is the cooperation of the second spacing preiection and the second stopper slot makes to there is not ladder between sealing ring 4 and clamp jaw 13, now cable can move smoothly through sealing ring 4 and locknut 3, improves the installation effectiveness of cable.
Preferably, the head end of locknut 3 is provided with and stops into ring for second of dowelled spanner, stops the circumferential outer surface protruding from locknut 3 into ring.The present embodiment by second stop into ring play spanner stop into effect, spanner can be prevented to be set in adapter body 1, thus be convenient to screwing of locknut 3, above-mentioned second stops the intensity that also add locknut 3 into ring.
In order to optimize technique scheme further, location division for offseting with the outer wall of casing in adapter body 1 be coated at adapter body 1 state setscrew nut 14, stating setscrew nut 14 with adapter body 1 is integral type structure, states setscrew nut 14 and coordinates with locking nut 2 and can clamp casing; Concrete, stating setscrew nut 14 is hex nut, is convenient to manufacture; The setscrew nut 14 of stating of integral type improves with adapter body 1 bonding strength stating setscrew nut 14 and adapter body 1 simultaneously.
It should be noted that, the external screw thread of the first thread segment 11, second thread segment 15 of the present utility model is all in strict accordance with general international standard manufacture, meet various standard thread to support the use, so, first thread segment 11, second thread segment 15 can support the use with general nut or locknut 3, improves and installs and supporting stability.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a cable fixing head, comprise the locknut (3) that the adapter body (1) offering the installation through hole that current supply cable passes through and the cable being coated at described adapter body (1) penetrate end, the cable traversing through end of described adapter body (1) has first thread segment (11) that can penetrate in the casing of machinery equipment; Described cable fixing head also comprises the locking nut (2) coordinated with described first thread segment (11), and described adapter body (1) is fixed on described casing by described locking nut (2);
It is characterized in that, the internal thread of described locking nut (2) is provided with locking tooth (21), the external screw thread of described first thread segment (11) is provided with the first retaining draw-in groove (12) coordinated with described locking tooth (21);
Wherein, described first retaining draw-in groove (12) has and screws guiding groove face and the described locking tooth of restriction (21) that direction extends towards the stop bit groove face of direction turn unscrewed along described locking nut (2), screw along described locking nut (2) front portion that the groove face that to lead described in direction is positioned at described stop bit groove face, and successively decrease to the distance of the central axis of adapter body (1) described in gathering sill identity distance described in the one end away from described stop bit groove face Zi the one end near described stop bit groove face;
Described locking tooth (21) has the confined planes that can be engaged with described stop bit groove face and the sliding surface that can slip into along described guiding groove face in the external screw thread of described first thread segment (11).
2. cable fixing head as claimed in claim 1, it is characterized in that, described locking tooth (21) is lance tooth; Described first retaining draw-in groove (12) runs through whole described first thread segment (11) along the axis of described adapter body (1).
3. cable fixing head as claimed in claim 2, it is characterized in that, described locking tooth (21) is six, and is evenly arranged at the tail end of described locking nut (2) along the whole circumference of described locking nut (2); Described first retaining draw-in groove (12) is six, and described locking tooth (21) is spacing in described first retaining draw-in groove (12) one by one when described locking nut (2) is tightened on described first thread segment (11).
4. cable fixing head as claimed in claim 1, it is characterized in that, described locking nut (2) is hex nut, and the head end of described locking nut (2) is also provided with and stops into ring (22) for first of dowelled spanner, described first stops the circumferential outer surface protruding from described locking nut (2) into ring (22).
5. the cable fixing head as described in any one of claim 1-4, it is characterized in that, described adapter body (1) has the second thread segment (15) and can clamp the clamp jaw (13) of described cable, and the cable that described clamp jaw (13) is positioned at described adapter body (1) penetrates end;
Described cable fixing head also comprises the sealing ring (4) for making described cable and described clamp jaw (13) be sealed and matched; Wherein:
Described clamp jaw (13) is placed in described sealing ring (4); Described locknut (3) has the internal thread that coordinates with the external screw thread of described second thread segment (15) and for making described clamp jaw (13) inwardly tighten up to make described sealing ring (4) shrink the clamping part (32) clamping described cable, the cable that described clamping part (32) is positioned at described locknut (3) penetrates end.
6. cable fixing head as claimed in claim 5, it is characterized in that, the circumferential outer surface of described locknut (3) is provided with six anti-skidding arc grooves (31), described anti-skidding arc groove (31) is uniformly distributed along the circumference of described locknut (3), and the bottom surface of described anti-skidding arc groove (31) is provided with multiple bar shaped anti-slip tanks that the axis along described locknut (3) arranges.
7. cable fixing head as claimed in claim 5, is characterized in that, described clamping part (32) is penetrate the conical bore of end to cable traversing through end flaring from cable; The retaining hole wall of described conical bore is also provided with for preventing described locknut (3) from getting loose is protruding, described clamp jaw (13) has the second retaining draw-in groove, and described retaining projection is fastened in described second retaining draw-in groove when described locknut (3) inwardly tightens up described clamp jaw (13);
Described clamp jaw (13) comprises the multiple points of pawls that the circumference along described adapter body (1) is evenly arranged, be provided with gap between point pawl described in adjacent two, and form described second retaining draw-in groove with the protruding corresponding described gap of described retaining.
8. cable fixing head as claimed in claim 5, it is characterized in that, the outer peripheral face that the cable of described sealing ring (4) penetrates end is provided with the first stopper slot (41), and the cable of described clamp jaw (13) penetrates on end inner peripheral surface and is provided with the first spacing preiection be fastened in described first stopper slot (41);
The inner peripheral surface of the cable traversing through end of described sealing ring (4) offers the second stopper slot, the inner peripheral surface of the cable traversing through end of described clamp jaw (13) is provided with and offsets with the cable traversing through end of described sealing ring (4) and to be fastened on the second spacing preiection in described second stopper slot, and the inner ring diameter of described second spacing preiection is identical with the internal diameter of described sealing ring (4).
9. cable fixing head as claimed in claim 5, it is characterized in that, the head end of described locknut (3) is provided with and stops into ring for second of dowelled spanner, describedly stops the circumferential outer surface protruding from described locknut (3) into ring.
10. cable fixing head as claimed in claim 5, it is characterized in that, described adapter body (1) states setscrew nut (14) for the location division that offsets with the outer wall of described casing for what be coated at described adapter body (1), described setscrew nut (14) and the described adapter body (1) stated is integral type structure, described in state setscrew nut (14) and coordinate with described locking nut (2) described casing can be clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420742574.1U CN204290202U (en) | 2014-12-01 | 2014-12-01 | A kind of cable fixing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420742574.1U CN204290202U (en) | 2014-12-01 | 2014-12-01 | A kind of cable fixing head |
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| Publication Number | Publication Date |
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| CN204290202U true CN204290202U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420742574.1U Active CN204290202U (en) | 2014-12-01 | 2014-12-01 | A kind of cable fixing head |
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| Country | Link |
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| CN (1) | CN204290202U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736840A (en) * | 2016-04-15 | 2016-07-06 | 周安平 | Cable sealing part and mounting method |
| CN106300161A (en) * | 2016-08-26 | 2017-01-04 | 天津鑫宝龙电梯集团有限公司 | One prevents cable tractive joint |
| CN106785629A (en) * | 2017-02-17 | 2017-05-31 | 江苏天昇光伏科技有限公司 | A kind of cable connecting seat and cable connector corresponding thereto |
| CN108825628A (en) * | 2018-06-20 | 2018-11-16 | 佛山市高明毅力温控器有限公司 | A kind of self-locking nut |
| CN109361175A (en) * | 2018-11-29 | 2019-02-19 | 威海市泓淋电力技术股份有限公司 | A kind of irradiation rubber cable part not being covered with dust |
| CN111149266A (en) * | 2017-09-28 | 2020-05-12 | 哈廷电子有限公司及两合公司 | Cable screwed joint |
| CN112498265A (en) * | 2020-12-01 | 2021-03-16 | 哈尔滨北方防务装备股份有限公司 | Waterproof sealing device for wall passing of double-section crawler |
| CN113922322A (en) * | 2021-08-24 | 2022-01-11 | 福建万栋电缆有限公司 | Wire joint protector that circuit area net was used |
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2014
- 2014-12-01 CN CN201420742574.1U patent/CN204290202U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736840A (en) * | 2016-04-15 | 2016-07-06 | 周安平 | Cable sealing part and mounting method |
| CN105736840B (en) * | 2016-04-15 | 2018-03-23 | 周安平 | A kind of cable seal part and installation method |
| CN106300161A (en) * | 2016-08-26 | 2017-01-04 | 天津鑫宝龙电梯集团有限公司 | One prevents cable tractive joint |
| CN106785629A (en) * | 2017-02-17 | 2017-05-31 | 江苏天昇光伏科技有限公司 | A kind of cable connecting seat and cable connector corresponding thereto |
| CN111149266A (en) * | 2017-09-28 | 2020-05-12 | 哈廷电子有限公司及两合公司 | Cable screwed joint |
| US11411378B2 (en) | 2017-09-28 | 2022-08-09 | Harting Electric Gmbh & Co. Kg | Cable screw connection |
| CN108825628A (en) * | 2018-06-20 | 2018-11-16 | 佛山市高明毅力温控器有限公司 | A kind of self-locking nut |
| CN109361175A (en) * | 2018-11-29 | 2019-02-19 | 威海市泓淋电力技术股份有限公司 | A kind of irradiation rubber cable part not being covered with dust |
| CN112498265A (en) * | 2020-12-01 | 2021-03-16 | 哈尔滨北方防务装备股份有限公司 | Waterproof sealing device for wall passing of double-section crawler |
| CN113922322A (en) * | 2021-08-24 | 2022-01-11 | 福建万栋电缆有限公司 | Wire joint protector that circuit area net was used |
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Address after: Hangzhou City, Zhejiang province 311422 Yuhang Economic Development Zone, Tang Mei Road No. 1 Patentee after: Electric Technology (Hangzhou) Limited by Share Ltd Address before: Hangzhou City, Zhejiang province 311100 Yuhang Economic Development Zone, Tang Mei Road No. 1 Patentee before: Times electric (Hangzhou) Co., Ltd. |