CN115663537A

CN115663537A - Anti-loosening type shielding connection structure

Info

Publication number: CN115663537A
Application number: CN202211452525.XA
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Tianjin Geneuo Technology Co ltd
Current assignee: Tianjin Geneuo Technology Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-01-31
Anticipated expiration: 2042-11-21
Also published as: CN115663537B

Abstract

The invention relates to the technical field of shielding connection structures, in particular to an anti-loosening shielding connection structure which comprises a connection line and a connection cylinder, wherein three conductive wires are arranged in the connection line, the outer side of each conductive wire is wrapped with a first rubber layer, the outer sides of the three first rubber layers are wrapped with a second rubber layer together, the outer side of the second rubber layer is wrapped with a plurality of shielding wires, the outer sides of the shielding wires are wrapped with a third rubber layer, one end of the connection cylinder is provided with an insertion groove, one end of the connection cylinder, far away from the insertion groove, is fixedly provided with three connection contacts, and the outer sides of the three connection contacts are sleeved with guide rings together; according to the invention, the inserting groove, the arc-shaped groove and the positioning groove are arranged, the connecting bulge penetrates through the inserting groove and the arc-shaped groove and then is clamped in the positioning groove, under the action of external force pulling during plugging, the inner wall of the positioning groove and the connecting bulge can be mutually abutted, the connecting cylinder and the connecting sleeve are prevented from being loosened and separated, and the stability of the connecting structure is further improved.

Description

Anti-loosening type shielding connection structure

Technical Field

The invention relates to the field of shielding connection structures, in particular to an anti-loosening shielding connection structure.

Background

Shielded connector having a connector capable of preventing electromagnetic interference radiation from entering or preventing leakage.

The invention discloses a part of invention patents related to a shielding connection structure in the prior art, and discloses a shielding cable connection structure in Chinese patent No. 202121972383.0, wherein the shielding cable connection structure comprises a connector and a shielding cable, the shielding cable comprises a guide core and a shielding layer, a first inner cavity for accommodating the shielding cable is arranged in the connector, the connector is provided with a conductive layer, and the conductive layer is arranged on the inner surface of the first inner cavity and is electrically connected with the shielding layer.

After the wire rod is connected with the shielding connector, the connector needs to be inserted into other equipment to electrically connect the wire rod with the other equipment, but after the wire rod is used for many times, under the pulling effect during plugging and unplugging of the shielding connector, looseness is easily caused between the wire rod and the connector, and the condition that poor contact is caused or the shielding effect is influenced occurs.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an anti-loose type shielding connection structure.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: an anti-loosening type shielding connection structure comprises a connection line and a connection cylinder, wherein three conductive wires are arranged inside the connection line, a first rubber layer wraps the outer side of each conductive wire, a second rubber layer wraps the outer sides of the three first rubber layers together, a plurality of shielding wires wrap the outer side of the second rubber layer, a third rubber layer wraps the outer side of each shielding wire, an insertion groove is formed in one end of the connection cylinder, three connection contacts are fixed at one end, away from the insertion groove, of the connection cylinder, and guide rings are sleeved on the outer sides of the three connection contacts together; the metal binding belt is extruded and sleeved on the outer side of the connecting line, and the metal binding belt and the end part of the connecting line penetrate through the insertion groove and are inserted into the connecting cylinder; one side of the connecting contact is provided with an inserting hole, the inserting hole is communicated with the inside of the connecting cylinder, and the conductive wire of the connecting wire is inserted into the corresponding inserting hole and is contacted with the inner wall of the inserting hole; one end of the metal binding belt, which is far away from the connecting contact, is provided with a connecting sleeve, the connecting sleeve is sleeved on the outer side of the connecting line in a sliding manner, one side of the connecting sleeve, which is close to the metal binding belt, is fixedly provided with a jacking ring, the metal binding belt is connected with the jacking ring in a magnetic absorption manner, one side of the jacking ring, which is close to the metal binding belt, is fixedly provided with a positioning ring, the positioning ring is sleeved on the outer side of the metal binding belt, and the outer ring surface of the positioning ring is fixedly provided with a plurality of positioning bulges; the inner ring surface of the connecting cylinder is provided with three arc-shaped grooves, the side wall of one end of each arc-shaped groove is provided with an inserting groove, the inserting grooves penetrate through the connecting cylinder and extend out, the other end of each arc-shaped groove is provided with a positioning groove, and the positioning protrusions are inserted into the corresponding positioning grooves; the outer side of the connecting sleeve is in threaded connection with a first threaded sleeve, the first threaded sleeve is in threaded connection with the outer wall of the connecting cylinder, and one side, far away from the connecting sleeve, of the connecting cylinder is in threaded connection with a second threaded sleeve.

Preferably, the inside sliding connection of connecting cylinder has the push ring, be fixed with first spring jointly between the inner wall of push ring and connecting cylinder, the one side that first spring was kept away from to the push ring contacts with the holding ring, three bullport has been seted up on the push ring, and is three the bullport is corresponding with the position of inserting the establishment hole, and is three the electric wire is inserted and is established inside the bullport that corresponds.

Preferably, the promotion ring is close to the ring channel of having seted up of one side of shielded wire, a plurality of extending grooves have been seted up on the inner wall of ring channel, the extending groove runs through ring channel and outside intercommunication, ring channel and extending inslot portion are fixed with first sheetmetal jointly, first sheetmetal contacts with the shielded wire, the inside of connecting cylinder is provided with the shielding net, the intercommunication groove has been seted up on the inner wall of connecting cylinder, the inside second sheetmetal that is fixed with of intercommunication inslot, one side and the first sheetmetal of second sheetmetal contact, the opposite side and the shielding net of second sheetmetal contact.

Preferably, a sliding hole is formed in one end, far away from the insertion hole, of the connecting contact, a conductive column is connected inside the sliding hole in a sliding mode, a conductive sheet is fixed to one end of the conductive column, the conductive sheet is inserted into the insertion hole in a sliding mode, a sliding contact is fixed to the other end of the conductive column after penetrating through the sliding hole, the sliding contact is connected to the outer wall of the connecting contact in a sliding mode, and a second spring is fixed between the inner wall of the sliding contact and the end portion of the connecting contact.

Preferably, a plurality of grooves are formed in the metal binding belt, a plurality of extrusion plates are fixed on the pushing ring, the end portions of the extrusion plates are inserted into the grooves, and rubber bulges are fixed on one sides of the extrusion plates facing to the inner bottom surfaces of the grooves.

Preferably, a guide block is arranged between the pushing ring and the inner wall of the connecting cylinder, three guide grooves are formed in the guide block, and the guide grooves are communicated with the insertion holes.

Preferably, the mounting groove has been seted up at the guide block middle part, every the bar through-hole has all been seted up on the guiding groove inner wall, the bar through-hole runs through the guiding groove and is linked together with the mounting groove is inside, the stripper plate has been placed to guiding groove inside, one side of stripper plate is fixed with the sliding strip, the sliding strip runs through the bar through-hole and extends and get into the inside after-fixing of mounting groove and has the slurcam, the slurcam is close to and is fixed with a plurality of third springs jointly between one side of sliding strip and the inner wall of mounting groove, the inside pushing mechanism that is provided with of mounting groove, pushing mechanism is used for promoting the slurcam and removes to one side that is close to the sliding strip.

Preferably, pushing mechanism is including rotating the post, the both ends of rotating the post are all rotated and are connected on the inner wall of mounting groove, it is fixed with three rubber promotion strip to be the circumference array on the rotation post outer wall, rubber promotes the strip and contacts with the slurcam that corresponds, circular logical groove has been seted up to the inside of rotation post, circular leading to inslot portion is inserted and is equipped with the locating lever, the locating lever is fixed on the inner wall of mounting groove, the outside cover of locating lever is equipped with the promotion post, it is fixed with the fourth spring jointly to promote between the one end of post and the inner wall of mounting groove, the other end that promotes the post runs through the guide block and extends away the after-fixing and has pushed the stopper, the promotion groove has been seted up on the inner wall of circular leading to groove, it comprises six kerfs and the crisscross intercommunication of six chutes to promote the groove, it is fixed with three promotion round pin, three to promote the tip of round pin to insert respectively and establish in the promotion inslot that corresponds, every the end of kerve all is provided with one-way stop mechanism, thereby one-way stop mechanism is used for after promotion pin removes to the end along the kerve.

Preferably, the one-way limiting mechanism comprises a rectangular groove, the rectangular groove is formed in the inner wall of the straight groove, a limiting block is connected inside the rectangular groove in a sliding mode, a fifth spring is fixed between the limiting block and the inner wall of the straight groove, and an inclined plane is formed in one side, far away from the pushing pin, of the bottom end of the limiting block.

Preferably, the outer wall of the first threaded sleeve is in threaded connection with a fastening knob, and the tail end of the fastening knob penetrates through the first threaded sleeve and contacts with the outer wall of the connecting cylinder after extending out.

Compared with the prior art, the invention has the following beneficial effects:

insert the groove through the setting, arc wall and constant head tank, pass through making connection arch and insert the groove, card again behind the arc wall is inside the constant head tank, external force when the plug draws the effect under, the inner wall of constant head tank can support tightly each other with the connection arch, avoid connecting cylinder and adapter sleeve not hard up to break away from, and then be favorable to improving this connection structure's stability, and when dismantling connecting cylinder and adapter sleeve, need a plurality of directions to adjust and connect bellied position, and then be favorable to avoiding the not hard up of single direction, lead to adapter sleeve and connecting cylinder to break away from, this connection structure's locking performance has further been improved, avoid because connecting cylinder and adapter sleeve become flexible lead to the connecting wire contact failure or influence shielding effect's the condition emergence.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a connecting wire structure according to the present invention;

FIG. 3 is a schematic structural view of a first overall cross-section of the present invention;

FIG. 4 is a schematic diagram of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic diagram of the structure at B in FIG. 3 according to the present invention;

FIG. 6 is a schematic view of the structure of FIG. 3 at C according to the present invention;

FIG. 7 is a schematic structural view of a connecting wire, a connecting sleeve, a top moving ring and a positioning ring according to the present invention;

FIG. 8 is a schematic view of the inner push slot of the connector barrel of the present invention;

FIG. 9 is an overall cross-sectional view of the present invention;

FIG. 10 is a second overall cross-sectional rear view of the present invention;

FIG. 11 is a schematic diagram of the structure of FIG. 10 at D in accordance with the present invention;

FIG. 12 is a schematic diagram of the structure at E of FIG. 10 in accordance with the present invention;

FIG. 13 is a schematic view of the structure of FIG. 10 at F in accordance with the present invention;

FIG. 14 is a third overall cross-sectional rear view of the present invention;

FIG. 15 is a schematic view of the guide block of the present invention shown partially in cross-section;

FIG. 16 is a schematic view of the structure of FIG. 15 at G in accordance with the present invention;

FIG. 17 is a cross-sectional rear view (with the push post removed) of the guide block of the present invention;

FIG. 18 is a schematic view of the structure of FIG. 17 at H in accordance with the present invention;

FIG. 19 is a schematic structural view of the guide block of the present invention taken along the stop block;

FIG. 20 is a schematic view of the structure at I in FIG. 19 according to the present invention.

In the figure: 1. a connecting wire; 101. a conductive filament; 102. a first rubber layer; 103. a second rubber layer; 104. a shielding wire; 105. a third rubber layer; 2. a connecting cylinder; 3. inserting the groove; 4. a connection contact; 5. a guide ring; 6. a metal cable tie; 7. inserting the holes; 8. connecting sleeves; 9. jacking the ring; 10. a positioning ring; 11. positioning the projection; 12. an arc-shaped slot; 13. inserting into a groove; 14. positioning a groove; 15. a first threaded sleeve; 16. a second threaded sleeve; 17. a push ring; 18. a first spring; 19. a guide hole; 20. an annular groove; 21. an extension groove; 22. a first metal sheet; 23. a communicating groove; 24. a second metal sheet; 25. a shielding mesh; 26. a slide hole; 27. a conductive post; 28. a conductive sheet; 29. a sliding contact; 30. a second spring; 31. a groove; 32. a compression plate; 33. a rubber bulge; 34. a guide block; 35. a guide groove; 36. mounting grooves; 37. a strip-shaped through hole; 38. a slide bar; 39. a push plate; 40. a third spring; 41. rotating the column; 42. a rubber push bar; 43. a circular through groove; 44. positioning a rod; 45. pushing the column; 46. a fourth spring; 47. pushing the plug; 48. a push groove; 4801. a straight groove; 4802. a chute; 49. pushing the pin; 50. a rectangular groove; 51. a limiting block; 52. a fifth spring; 53. and (5) fastening a knob.

Detailed Description

The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1 to 20, the anti-loose type shielding connection structure includes a connection line 1 and a connection barrel 2, three conductive wires 101 are arranged inside the connection line 1, the outer side of each conductive wire 101 is wrapped with a first rubber layer 102, the outer sides of the three first rubber layers 102 are wrapped with a second rubber layer 103, the outer side of the second rubber layer 103 is wrapped with a plurality of shielding wires 104, the outer side of each shielding wire 104 is wrapped with a third rubber layer 105, one end of the connection barrel 2 is provided with an insertion slot 3, one end of the connection barrel 2 away from the insertion slot 3 is fixed with three connection contacts 4, and the outer sides of the three connection contacts 4 are sleeved with guide rings 5; the metal binding belt 6 is sleeved on the outer side of the connecting wire 1 in a squeezing mode, and the metal binding belt 6 and the end portion of the connecting wire 1 penetrate through the insertion groove 3 and are inserted into the connecting cylinder 2; one side of the connecting contact 4 is provided with an inserting hole 7, the inserting hole 7 is communicated with the inside of the connecting cylinder 2, and the conductive wire 101 of the connecting wire 1 is inserted into the corresponding inserting hole 7 and is contacted with the inner wall of the inserting hole 7; a connecting sleeve 8 is arranged at one end of the metal binding belt 6, which is far away from the connecting contact 4, the connecting sleeve 8 is sleeved on the outer side of the connecting line 1 in a sliding manner, a jacking ring 9 is fixed at one side of the connecting sleeve 8, which is close to the metal binding belt 6, the metal binding belt 6 is connected with the jacking ring 9 in a magnetic absorption manner, a positioning ring 10 is fixed at one side of the jacking ring 9, which is close to the metal binding belt 6, the positioning ring 10 is sleeved on the outer side of the metal binding belt 6, and a plurality of positioning protrusions 11 are fixed on the outer ring surface of the positioning ring 10; three arc-shaped grooves 12 are formed in the inner annular surface of the connecting cylinder 2, inserting grooves 13 are formed in the side wall of one end of each arc-shaped groove 12, the inserting grooves 13 penetrate through the connecting cylinder 2 and extend out, positioning grooves 14 are formed in the other ends of the three arc-shaped grooves 12, and the positioning protrusions 11 are inserted into the corresponding positioning grooves 14; when the connector is used, after the wire and the shielding connector are connected, the connector needs to be inserted into other equipment to enable the wire to be electrically connected with other equipment, but after the connector is used for many times, under the pulling action when the shielding connector is plugged and pulled, the wire and the connector are easy to loose, and poor contact or the shielding effect is affected, the problem can be solved by the embodiment of the invention, and the specific embodiment is as follows, when the connector is installed, firstly, the first rubber layer 102, the second rubber layer 103 and the third rubber layer 105 at the end part of the connecting wire 1 are cut off to expose the conductive wire 101 and the shielding wire 104, the shielding wire 104 is upwards folded to the outer side of the third rubber layer 105, then, the connecting sleeve 8 is sleeved on the outer side of the connecting wire 1, the metal binding belt 6 is fixed on the outer side of the connecting wire 1 to limit the connecting wire 8, and the situation that the connecting wire 8 is separated from the connecting sleeve 1 is prevented; during butt joint, an installer pushes the connecting sleeve 8, under the blocking action of the metal binding belt 6, the connecting sleeve 8 drives the metal binding belt 6, the pushing ring 9, the positioning ring 10 and the connecting wire 1 to move towards the inside of the insertion groove 3 of the connecting cylinder 2, the positioning protrusion 11 on the positioning ring 10 slides along the insertion groove 13 to enter the inside of the arc-shaped groove 12, after the conductive wire 101 of the connecting wire 1 is inserted into the insertion hole 7 of the connecting contact 4, the installer manually rotates the connecting sleeve 8, the connecting sleeve 8 drives the pushing ring 9 and the positioning ring 10 to rotate, the conductive wire 101 and the connecting wire 1 are limited through the insertion hole 7, the connecting wire 1 is prevented from rotating, the metal binding belt 6 is prevented from rotating along with the pushing ring 9 under the magnetic attraction action to cause the rotation of the connecting wire 1, the positioning protrusion 11 is driven by the positioning ring 10 to move inside the arc-shaped groove 12, when the positioning protrusion 11 moves to the positioning groove 14 at one end of the arc-shaped groove 12, the installer manually pulls the connecting sleeve 8 outwards to make the connecting sleeve 8 drive the metal cable tie 6, the pushing ring 9, the positioning ring 10, the connecting wire 1 move towards the outside of the connecting cylinder 2, at this time, the positioning protrusion 11 enters the positioning groove 14, finally, the first thread bush 15 is rotated to make the first thread bush 15 and the connecting cylinder 2 connected in thread, thereby connecting the connecting sleeve 8 and the connecting cylinder 2, the second thread bush 16 can make the connecting cylinder 2 connected with other interfaces, the embodiment sets the inserting groove 13, the arc-shaped groove 12 and the positioning groove 14, the connecting protrusion passes through the inserting groove 13 and the arc-shaped groove 12 and then is clamped in the positioning groove 14, under the external force pulling action during plugging, the inner wall of the positioning groove 14 and the connecting protrusion can be abutted against each other, thereby avoiding the connecting cylinder 2 and the connecting sleeve 8 from loosening and separating, and further being beneficial to improving the stability of the connecting structure, and when dismantling connecting cylinder 2 and adapter sleeve 8, need a plurality of directions to adjust the bellied position of connection, and then be favorable to avoiding the not hard up of single direction, lead to adapter sleeve 8 and connecting cylinder 2 to break away from, further improved this connection structure's locking performance that moves, avoid because connecting cylinder 2 and adapter sleeve 8 become flexible lead to connecting wire 1 bad contact or influence the condition emergence of shielding effect.

As a further embodiment of the present invention, a pushing ring 17 is slidably connected inside the connecting cylinder 2, a first spring 18 is jointly fixed between the pushing ring 17 and the inner wall of the connecting cylinder 2, one side of the pushing ring 17 away from the first spring 18 is in contact with the positioning ring 10, three guide holes 19 are formed in the pushing ring 17, the three guide holes 19 correspond to the positions of the inserting holes 7, and the three conductive wires 101 are inserted inside the corresponding guide holes 19; during operation, under the impetus of first spring 18, promote ring 17 and be in 3 edges of insertion groove of connecting cylinder 2 before the installation, the pilot hole 19 on promoting ring 17 can direct observation, thereby judge and insert the position of establishing hole 7, and then be favorable to the installer with the accurate insertion of conductive wire 101 insert establish inside hole 7, save installation time, and after the installation is accomplished, under the impetus of first spring 18, promote ring 17 and holding ring 10 counterbalance, thereby be favorable to carrying out elasticity spacing to connecting the arch, prevent under the effect of outside thrust, promote the condition that connecting the arch breaks away from constant head tank 14 and take place, be favorable to maintaining the bellied stability of connecting, and then further maintain this connection structure's stability, avoid because connecting cylinder 2 and adapter sleeve 8 become flexible lead to connecting wire 1 bad contact or influence shielding effect's condition takes place.

As a further embodiment of the present invention, an annular groove 20 is formed on one side of the push ring 17 close to the shielding wire 104, a plurality of extension grooves 21 are formed on an inner wall of the annular groove 20, the extension grooves 21 penetrate through the annular groove 20 to communicate with the outside, a first metal sheet 22 is fixed inside the annular groove 20 and the extension grooves 21 together, the first metal sheet 22 contacts with the shielding wire 104, a shielding mesh 25 is arranged inside the connecting cylinder 2, a communication groove 23 is formed on an inner wall of the connecting cylinder 2, a second metal sheet 24 is fixed inside the communication groove 23, one side of the second metal sheet 24 contacts with the first metal sheet 22, and the other side of the second metal sheet 24 contacts with the shielding mesh 25; in operation, under the pushing action of the first spring 18, the first metal sheet 22 on the pushing ring 17 abuts against the shielding wires 104 of the connection line 1, and the first metal sheet 22 contacts with the shielding net 25 through the second metal sheet 24, so that the shielding net 25 on the connection cylinder 2 is connected with the shielding wires 104 on the connection line 1, and the joint of the connection line 1 has a shielding function.

As a further embodiment of the present invention, a sliding hole 26 is formed at one end of the connection contact 4 away from the insertion hole 7, a conductive post 27 is slidably connected inside the sliding hole 26, a conductive sheet 28 is fixed at one end of the conductive post 27, the conductive sheet 28 is slidably inserted inside the insertion hole 7, a sliding contact 29 is fixed at the other end of the conductive post 27 after passing through the sliding hole 26, the sliding contact 29 is slidably connected to the outer wall of the connection contact 4, and a second spring 30 is jointly fixed between the inner wall of the sliding contact 29 and the end of the connection contact 4; during operation, when inserting connecting cylinder 2 inside the interface of external equipment, under the extrusion force effect, sliding contact 29 drives and leads electrical pillar 27, conducting pillar 28 moves to the side that is close to conducting wire 101, make conducting pillar 28 contact with conducting wire 101, and then make connecting cylinder 2 be connected the back with external equipment, under the effect of stopping of conducting pillar 28, prevent conducting wire 101 to the side that is close to conducting pillar 28 and move, and then to conducting wire 101, connecting wire 1 and adapter sleeve 8 carry on spacingly, restriction adapter sleeve 8 moves to the side that is close to connecting cylinder 2, even first thread bush 15 is not hard up the back, adapter sleeve 8 also is difficult to drive holding ring 10, location arch 11 moves to the side of keeping away from constant head tank 14, and then when being favorable to maintaining the connected state of connecting cylinder 2 and external equipment, the stability of connecting wire 1, avoid not hard up at connecting wire 1, the condition that leads to contact failure or influence shielding effect takes place.

As a further embodiment of the present invention, a plurality of grooves 31 are formed on the metal binding tape 6, a plurality of pressing plates 32 are fixed on the push ring 17, the end portions of the pressing plates 32 are inserted inside the grooves 31, and a rubber protrusion 33 is fixed on one side of the pressing plates 32 facing the inner bottom surface of the grooves 31; during operation, when the installation, with adapter sleeve 8, connecting wire 1, holding ring 10, when metal cable tie 6 inserts to connecting cylinder 2 inside, the stripper plate 32 inserts holding ring 10 inside earlier, insert inside recess 31 on the metal cable tie 6 again, set up protruding 33 of rubber through the one side at stripper plate 32, under the effect of driving force, make protruding 33 of rubber insert inside recess 31, extrude the bottom surface in the recess 31, thereby increase the extrusion force of metal cable tie 6 to connecting wire 1, and then be favorable to increasing the stability that metal cable tie 6 and connecting wire 1 are connected.

As a further embodiment of the present invention, a guide block 34 is disposed between the push ring 17 and the inner wall of the connecting cylinder 2, three guide grooves 35 are disposed on the guide block 34, and the guide grooves 35 are communicated with the insertion hole 7; during operation, through set up guide block 34 between pushing ring 17 and connecting cylinder 2 to set up guide groove 35 and guide electrically conductive silk 101 on guide block 34, further increased the length to the guide path of electrically conductive silk 101, and then be favorable to improving the guide effect, avoid at the in-process of adapter sleeve 8 and connecting cylinder 2 butt joint, the position of guide wire takes place the skew.

As a further embodiment of the present invention, a mounting groove 36 is formed in the middle of the guide block 34, a strip-shaped through hole 37 is formed in the inner wall of each guide groove 35, the strip-shaped through hole 37 penetrates through the guide groove 35 and is communicated with the inside of the mounting groove 36, a pressing plate 32 is placed inside the guide groove 35, a sliding strip 38 is fixed on one side of the pressing plate 32, a pushing plate 39 is fixed after the sliding strip 38 penetrates through the strip-shaped through hole 37 and extends into the inside of the mounting groove 36, a plurality of third springs 40 are jointly fixed between one side of the pushing plate 39 close to the sliding strip 38 and the inner wall of the mounting groove 36, and a pushing mechanism is arranged inside the mounting groove 36 and used for pushing the pushing plate 39 to move to one side close to the sliding strip 38; in operation, because the conductive wires 101 have different thicknesses, for the thinner conductive wire 101, after being inserted into the insertion hole 7, the thinner conductive wire 101 is difficult to tightly contact with the insertion hole 7, which easily causes poor contact, this embodiment of the present invention can solve the above problem, and a specific operation mode is as follows, when the connection sleeve 8 drives the push ring 17 to move towards the inside of the connection cylinder 2, the push ring 17 is linked with the push mechanism to push the push plate 39 to move towards one side close to the slide strip 38, so that the slide strip 38 slides inside the bar-shaped through hole 37, and drives the extrusion plate 32 to move towards one side close to the corresponding conductive wire 101, so as to push the conductive wire 101 to move towards the inner wall position close to the insertion hole 7, and clamp the conductive wire 101 inside the insertion hole 7 and contact the inner wall of the insertion hole 7, on the one hand, it is favorable for the thinner conductive wire 101 to directly contact with the inner wall of the connection contact 4, so that the connection contact 4 is electrically connected with the conductive wire 101, and the occurrence of poor contact is avoided, on the other hand, by elastic clamping of the conductive wire 101 in time, it is favorable for avoiding the connection line rotating at the connection position of the connection sleeve 8, and driving the connection groove 14, and driving the conductive wire to rotate, thereby driving the positioning groove 1.

As a further embodiment of the present invention, the pushing mechanism includes a rotating column 41, two ends of the rotating column 41 are rotatably connected to an inner wall of the mounting groove 36, three rubber pushing strips 42 are fixed to an outer wall of the rotating column 41 in a circumferential array, the rubber pushing strips 42 contact with corresponding pushing plates 39, a circular through groove 43 is formed in the rotating column 41, a positioning rod 44 is inserted into the circular through groove 43, the positioning rod 44 is fixed to the inner wall of the mounting groove 36, a pushing column 45 is sleeved outside the positioning rod 44, a fourth spring 46 is jointly fixed between one end of the pushing column 45 and the inner wall of the mounting groove 36, the other end of the pushing column 45 penetrates through the guide block 34 and extends out to be fixed with a pushing plug 47, a pushing groove 48 is formed in the inner wall of the circular through groove 43, the pushing groove 48 is composed of six straight grooves 4801 and six inclined grooves 4802 which are alternately communicated, three pushing pins 49 are fixed to the side wall of the pushing column 45 in a circumferential array, ends of the three pushing pins 49 are respectively inserted into corresponding pushing grooves 48, a one-way limiting mechanism is arranged at a tail end of each straight groove 4801 and used for preventing the pushing pins from moving to the corresponding inclined groove 4802 after the straight groove 4801 moves to the tail end, so as to directly enter the opposite direction; in operation, when the connection sleeve 8 drives the pushing ring 17 to move towards the inside of the connection cylinder 2, the pushing ring 17 pushes the pushing plug 47 to move towards the side close to the circular through groove 43, the pushing plug 47 drives the pushing post 45, the pushing pin 49 moves towards the side close to the circular through groove 43, the cross section of the positioning rod 44 is rectangular, the pushing post 45 can be limited, the pushing post 45 is prevented from rotating in the moving process, and the pushing pin 49 moves under the blocking effect of the one-way limiting mechanism, after the pushing pin 49 moves to the end along the straight groove 4801, the one-way limiting mechanism prevents the pushing pin 49 from moving reversely, so that the pushing pin 49 directly enters the inside of the chute 4802, so that the pushing pin 49 can only move towards the inside of the chute 4802, under the guiding cooperation effect of the pushing pin 49 and the chute 4802, the pushing pin 49 pushes the rotating post 41 to rotate and synchronously move to the end position of the chute 4802, so that the rubber pushing strip 42 moves towards the bottom of the pushing plate 39, the pushing plate 39 moves towards the side close to the sliding strip 38, thereby when the pushing ring 17 moves towards the side close to the pushing groove 46, the pushing pin 14, the pushing plug 14, the pushing pin 14, thereby, the pushing plug 14 pushes the pushing pin 14, and the pushing pin 14, the pushing plug 14, thereby, the pushing pin 14 moves directly and pushing pin 14, and pushing plug 17 move under the pushing plug 14, thereby make rubber promote strip 42 to the side of keeping away from push plate 39 and rotate to break away from with push plate 39, and then cancel the clamping state to conductive wire 101, be convenient for installer to dismantle connecting wire 1 and adapter sleeve 8.

As a further embodiment of the present invention, the one-way limiting mechanism includes a rectangular groove 50, the rectangular groove 50 is formed on the inner wall of the straight groove 4801, a limiting block 51 is slidably connected inside the rectangular groove 50, a fifth spring 52 is jointly fixed between the limiting block 51 and the inner wall of the straight groove 4801, and an inclined surface is formed on one side of the bottom end of the limiting block 51 away from the pushing pin 49; in operation, when pushing round pin 49 and moving to being close to mounting groove 36 inboard, through set up stopper 51 in straight flute 4801 inside, stop pushing round pin 49, prevent that stopper 51 from getting into straight flute 4801 inside, and then make pushing round pin 49 can only slide along chute 4802, when pushing round pin 49 and moving to the one side of keeping away from mounting groove 36, pushing round pin 49 directly moves along straight flute 4801 and resets, when moving to stopper 51 position, under the guide effect on the inclined plane of stopper 51 one side, pushing round pin 49 jack-up stopper 51 upwards, thereby reset through stopper 51, this embodiment is when pushing round pin 49 and promoting, make pushing round pin 49 can only move along chute 4802, and then make pushing round pin 45 when being promoted at every turn, the homoenergetic drives pushing round pin 49 and pushes and rotates post 41 and rotates.

As a further embodiment of the present invention, a fastening knob 53 is screwed on the outer wall of the first threaded sleeve 15, and the end of the fastening knob 53 penetrates through the first threaded sleeve 15 and extends out to contact with the outer wall of the connecting cylinder 2; during operation, after the first threaded sleeve 15 is connected with the connecting cylinder 2, the fastening knob 53 is screwed to position the first threaded sleeve 15, so that the connecting sleeve 8 can be prevented from moving to one side close to the connecting cylinder 2, the positioning protrusion 11 is separated from the positioning groove 14, the first threaded sleeve 15 can be positioned, the first threaded sleeve 15 is prevented from loosening, the connecting sleeve 8 and the connecting cylinder 2 are separated, and the stability of the device is further improved.

The working principle of the invention is as follows:

when the cable is installed, firstly, the first rubber layer 102, the second rubber layer 103 and the third rubber layer 105 at the end part of the connecting line 1 are cut off, so that the conductive wire 101 and the shielding wire 104 are exposed, the shielding wire 104 is turned upwards to the outer side of the third rubber layer 105, then, the connecting sleeve 8 is sleeved on the outer side of the connecting line 1, the metal cable tie 6 is fixed on the outer side of the connecting line 1, the connecting sleeve 8 is blocked and limited, and the connecting sleeve 8 is prevented from being separated from the connecting line 1; during butt joint, an installer pushes the connecting sleeve 8, under the blocking action of the metal binding belt 6, the connecting sleeve 8 drives the metal binding belt 6, the pushing ring 9, the positioning ring 10 and the connecting wire 1 to move towards the inside of the insertion groove 3 of the connecting cylinder 2, the positioning protrusion 11 on the positioning ring 10 slides along the insertion groove 13 to enter the inside of the arc-shaped groove 12, after the conductive wire 101 of the connecting wire 1 is inserted into the insertion hole 7 of the connecting contact 4, the installer manually rotates the connecting sleeve 8, the connecting sleeve 8 drives the pushing ring 9 and the positioning ring 10 to rotate, the conductive wire 101 and the connecting wire 1 are limited through the insertion hole 7, the connecting wire 1 is prevented from rotating, the metal binding belt 6 is prevented from rotating along with the pushing ring 9 under the magnetic attraction action to cause the rotation of the connecting wire 1, the positioning protrusion 11 is driven by the positioning ring 10 to move inside the arc-shaped groove 12, when the positioning protrusion 11 moves to the positioning groove 14 at one end of the arc-shaped groove 12, the installer manually pulls the connecting sleeve 8 outwards to make the connecting sleeve 8 drive the metal cable tie 6, the pushing ring 9, the positioning ring 10, the connecting wire 1 move towards the outside of the connecting cylinder 2, at this time, the positioning protrusion 11 enters the positioning groove 14, finally, the first thread bush 15 is rotated to make the first thread bush 15 and the connecting cylinder 2 connected in thread, thereby connecting the connecting sleeve 8 and the connecting cylinder 2, the second thread bush 16 can make the connecting cylinder 2 connected with other interfaces, the embodiment sets the inserting groove 13, the arc-shaped groove 12 and the positioning groove 14, the connecting protrusion passes through the inserting groove 13 and the arc-shaped groove 12 and then is clamped in the positioning groove 14, under the external force pulling action during plugging, the inner wall of the positioning groove 14 and the connecting protrusion can be abutted against each other, thereby avoiding the connecting cylinder 2 and the connecting sleeve 8 from loosening and separating, and further being beneficial to improving the stability of the connecting structure, and when dismantling connecting cylinder 2 and adapter sleeve 8, need a plurality of directions to adjust the bellied position of connection, and then be favorable to avoiding the not hard up of single direction, lead to adapter sleeve 8 and connecting cylinder 2 to break away from, further improved this connection structure's locking performance that moves, avoid because connecting cylinder 2 and adapter sleeve 8 become flexible lead to connecting wire 1 bad contact or influence the condition emergence of shielding effect.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides an anti-loosening type shielding connection structure, includes connecting wire (1) and connecting cylinder (2), connecting wire (1) inside is provided with three conductive wire (101), every the outside of conductive wire (101) all wraps up first rubber layer (102), and is three the outside of first rubber layer (102) wraps up jointly and has second rubber layer (103), second rubber layer (103) outside parcel has many shielding silk (104), the outside parcel of shielding silk (104) has third rubber layer (105), its characterized in that: an insertion groove (3) is formed in one end of the connecting cylinder (2), three connecting contacts (4) are fixed to one end, far away from the insertion groove (3), of the connecting cylinder (2), and guide rings (5) are sleeved on the outer sides of the three connecting contacts (4) together;

the metal binding belt (6) is sleeved on the outer side of the connecting line (1) in an extruding mode, the metal binding belt (6) and the end portion of the connecting line (1) penetrate through the insertion groove (3) and are inserted into the connecting cylinder (2);

one side of the connecting contact (4) is provided with an inserting hole (7), the inserting hole (7) is communicated with the inside of the connecting cylinder (2), and the conductive wire (101) of the connecting wire (1) is inserted into the corresponding inserting hole (7) and is contacted with the inner wall of the inserting hole (7);

a connecting sleeve (8) is arranged at one end, far away from the connecting contact (4), of the metal cable tie (6), the connecting sleeve (8) is sleeved on the outer side of the connecting line (1) in a sliding mode, a jacking ring (9) is fixed on one side, close to the metal cable tie (6), of the connecting sleeve (8), the metal cable tie (6) is connected with the jacking ring (9) in a magnetic absorption mode, a positioning ring (10) is fixed on one side, close to the metal cable tie (6), of the jacking ring (9), the positioning ring (10) is sleeved on the outer side of the metal cable tie (6), and a plurality of positioning protrusions (11) are fixed on the outer ring surface of the positioning ring (10);

three arc-shaped grooves (12) are formed in the inner annular surface of the connecting cylinder (2), inserting grooves (13) are formed in the side wall of one end of each arc-shaped groove (12), the inserting grooves (13) penetrate through the connecting cylinder (2) and extend out, positioning grooves (14) are formed in the other ends of the three arc-shaped grooves (12), and the positioning protrusions (11) are inserted into the corresponding positioning grooves (14);

the outside threaded connection of adapter sleeve (8) has first thread bush (15), the outer wall threaded connection of first thread bush (15) and connecting cylinder (2), one side threaded connection that connecting cylinder (2) kept away from adapter sleeve (8) has second thread bush (16).

2. The anti-loosening shielded connection structure according to claim 1, wherein: the inside sliding connection of connecting cylinder (2) has propelling movement ring (17), be fixed with first spring (18) between the inner wall of propelling movement ring (17) and connecting cylinder (2) jointly, one side that first spring (18) were kept away from in propelling movement ring (17) contacts with holding ring (10), three bullport (19), three have been seted up on propelling movement ring (17) bullport (19) are corresponding with the position of inserting establishing hole (7), and are three electrically conductive silk (101) are inserted and are established inside bullport (19) that correspond.

3. The looseness-proof shield connection structure according to claim 2, wherein: the utility model discloses a shield wire (104) and shield wire (17) are connected in a push ring, push ring (17) and be close to one side of shield wire (104) seted up annular groove (20), a plurality of extending groove (21) have been seted up on the inner wall of annular groove (20), extending groove (21) run through annular groove (20) and outside intercommunication, annular groove (20) and extending groove (21) inside are fixed with first sheetmetal (22) jointly, first sheetmetal (22) contact with shield wire (104), the inside of connecting cylinder (2) is provided with shielding net (25), intercommunication groove (23) have been seted up on the inner wall of connecting cylinder (2), intercommunication groove (23) inside is fixed with second sheetmetal (24), one side and first sheetmetal (22) of second sheetmetal (24) contact, the opposite side and shielding net (25) of second sheetmetal (24) contact.

4. The anti-loosening shielded connection structure according to claim 1, wherein: connecting contact (4) are kept away from the one end of inserting and are established hole (7) and have been seted up slip hole (26), the inside sliding connection in slip hole (26) has electrically conductive post (27), the one end of electrically conductive post (27) is fixed with conducting strip (28), inside electrically conductive piece (28) slide is inserted and is established inserting and establish hole (7), the other end of electrically conductive post (27) passes slip hole (26) after-fixing has sliding contact (29), sliding contact (29) sliding connection is on the outer wall of connecting contact (4), be fixed with second spring (30) jointly between the inner wall of sliding contact (29) and the tip of connecting contact (4).

5. The looseness-proof shield connection structure according to claim 2, wherein: a plurality of grooves (31) are formed in the metal cable tie (6), a plurality of extrusion plates (32) are fixed on the pushing ring (17), the end portions of the extrusion plates (32) are inserted into the grooves (31), and rubber protrusions (33) are fixed on one sides of the extrusion plates (32) facing to the inner bottom surfaces of the grooves (31).

6. The connection structure of claim 2, wherein: a guide block (34) is arranged between the pushing ring (17) and the inner wall of the connecting cylinder (2), three guide grooves (35) are formed in the guide block (34), and the guide grooves (35) are communicated with the inserting holes (7).

7. The anti-loosening shielded connection structure according to claim 6, wherein: mounting groove (36) have been seted up at guide block (34) middle part, every bar through-hole (37) have all been seted up on guide groove (35) inner wall, bar through-hole (37) run through guide groove (35) and are linked together with mounting groove (36) are inside, stripper plate (32) have been placed to guide groove (35) inside, one side of stripper plate (32) is fixed with slide bar (38), slide bar (38) run through bar through-hole (37) and extend and get into inside after-fixing of mounting groove (36) have slurcam (39), be fixed with a plurality of third springs (40) jointly between the inner wall that slurcam (39) are close to one side of slide bar (38) and mounting groove (36), mounting groove (36) inside is provided with pushing mechanism, pushing mechanism is used for promoting slurcam (39) to the one side removal that is close to slide bar (38).

8. The anti-loosening shielded connection structure according to claim 7, wherein: the pushing mechanism comprises a rotating column (41), the two ends of the rotating column (41) are rotatably connected to the inner wall of the mounting groove (36), the outer wall of the rotating column (41) is fixedly provided with three rubber pushing strips (42) in a circumferential array, the rubber pushing strips (42) are in contact with corresponding pushing plates (39), a circular through groove (43) is formed in the inner part of the rotating column (41), a positioning rod (44) is inserted in the circular through groove (43), the positioning rod (44) is fixed on the inner wall of the mounting groove (36), a pushing column (45) is sleeved on the outer side of the positioning rod (44), a fourth spring (46) is fixed between one end of the pushing column (45) and the inner wall of the mounting groove (36) together, the other end of the pushing column (45) penetrates through a guide block (34) and extends out to be fixed with a pushing plug (47), a pushing groove (48) is formed in the inner wall of the circular through groove (43), the pushing groove (48) is formed by six straight grooves (4801) and six inclined grooves (4802) which are communicated in a staggered manner, and three limiting pin arrays are arranged on the inner wall of the pushing mechanism, and three straight grooves (49) are respectively arranged on the end parts of the three corresponding limiting pin pins (48), the one-way limiting mechanism is used for preventing the pushing pin (49) from moving reversely so as to directly enter the interior of the inclined groove (4802) after the pushing pin (49) moves to the tail end along the straight groove (4801).

9. The anti-loosening shielded connection structure according to claim 8, wherein: one-way stop gear includes rectangular channel (50), set up on the inner wall of straight flute (4801) rectangular channel (50), rectangular channel (50) inside sliding connection has stopper (51), be fixed with fifth spring (52) between the inner wall of stopper (51) and straight flute (4801) jointly, the inclined plane has been seted up to one side that promotes round pin (49) is kept away from to stopper (51) bottom.

10. The anti-loosening shielded connection structure according to claim 1, wherein: the outer wall of the first threaded sleeve (15) is connected with a fastening knob (53) in a threaded mode, and the tail end of the fastening knob (53) penetrates through the first threaded sleeve (15) and contacts with the outer wall of the connecting cylinder (2) after extending out.