Integrated anti-loose splayed tail plug inner frame
By designing an anti-loosening figure-eight plug inner frame, and using anti-loosening and protective devices to reinforce the connecting wires, the problem of welding loosening caused by plug wire swinging was solved, the connection stability and service life were improved, and components such as insulation were protected.
Patent Information
- Application Number
- CN202422909151.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-28
AI Technical Summary
During the manufacturing process of existing figure-eight plug inner frames, the welding position becomes loose due to the swinging and pulling of the plug wire, affecting the connection stability and making it prone to abnormal situations such as open circuits, thus reducing the performance and lifespan of the product.
An integrated anti-loosening figure-eight plug inner frame was designed, employing anti-loosening and protective devices, including components such as a rotating frame, rotating plate, arc plate, screw, and nut. After the connecting wire is fixed by welding, the connecting wire is reinforced using the anti-loosening device, and the protective device protects these components to prevent loosening and damage.
It improves the connection stability of the plug's inner frame, prevents loosening and breakage at the welded positions, extends the service life, and protects components such as the insulation from damage, ensuring the plug functions properly.
Smart Images
Figure CN223599090U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of plug, in particular to an integrated anti-loose splayed tail plug inner frame. BACKGROUND
[0002] The splayed tail plug is a common type of appliance plug in life, the plug end face is in the shape of 8, and two insertion holes are provided for matching the corresponding metal guide rod on the appliance, and the inside of the splayed tail plug is mainly composed of a plug inner frame, and some components are commonly formed to form an integrated plug inner frame to improve the convenience and efficiency of operation, and the components are fixed to maintain normal production and use of the plug.
[0003] In the production of the conventional splayed tail plug inner frame, the two connecting wires of the plug are respectively in contact with the inner walls of the two metal connecting pieces on one side of the plug inner frame, and then the connecting and welding equipment is used to weld and fix the plug wires and the connecting pieces together, and then the insulating skin and other components are covered and fixed on the surface of the inner frame, but it is found in actual operation that the plug wires on one side of the inner frame are swung during the production and manufacture of the plug, and frequent swinging and pulling causes tearing and damage to the welding position of the connecting piece, and even causes the welding point to be loose and separated, thereby affecting the normal connection production or daily use, causing abnormal conditions such as open circuit, and affecting the use effect and practicability of the plug inner frame. SUMMARY
[0004] The present application aims to solve the problem in the prior art that the plug wires on one side of the inner frame are swung and pulled during the production and manufacture of the plug, and frequent swinging and pulling causes tearing and damage to the welding position of the connecting piece, and even causes the welding point to be loose and separated, thereby affecting the normal connection production or daily use, causing abnormal conditions such as open circuit, and affecting the use effect and practicability of the plug inner frame, and an integrated anti-loose splayed tail plug inner frame is provided.
[0005] In order to achieve the above object, the application adopts the following technical scheme: an integrated anti-loosening splayed tail plug inner frame, comprising an inner frame block, two insertion slots are formed on one side surface of the inner frame block, two connecting pieces are fixedly connected on one side surface of the principle insertion slot of the inner frame block, an anti-loosening device is arranged on the side of the inner frame block where the two connecting pieces are close to each other, the anti-loosening device makes the connecting wire installed on the connecting piece on one side of the inner frame block more stable and firm, and is not easy to loosen and separate during assembly and use, thereby ensuring the normal use of the splayed tail plug and preventing abnormal short circuit.
[0006] The above components achieve the following effects: when the inner frame block of the splayed tail plug is assembled and used, first, the two connecting wires of the plug are inserted into the inner walls of the two connecting pieces on the surface of the inner frame block, then the connecting wires and the connecting pieces are welded and fixed between the two components through corresponding equipment, then the anti-loosening device on one side of the inner frame block is operated to reinforce and stabilize the plug connecting wire in the inner wall of the connecting piece, then the related part components of the protection device are covered and shielded, finally, the insulating skin and other components of the splayed tail plug are covered on the surface of the inner frame block, at this time, the integrated plug inner frame of the splayed tail plug can be better and more stably connected with the plug connecting wire during use, the inner frame block is not easy to loosen and separate due to the swing of the connecting wire, the welding position is not easy to loosen and break, the connecting wire is not easy to separate, abnormal use or open circuit of the plug is prevented, the use effect of the plug is improved, and the service life of the plug inner frame is prolonged.
[0007] Preferably, the anti-loosening device comprises a rotating frame fixedly connected with the side surface of the inner frame block where the two connecting pieces are close to each other, the cross section of the rotating frame is in the shape of "U", two rotating plates are rotatably connected with the two end arc surfaces of the rotating frame respectively, an arc-shaped plate is fixedly connected with one side surface of the rotating plate, a connecting plate is fixedly connected with one side surface of the rotating frame, a screw rod is fixedly connected with the surface of the connecting plate, a fixed rod is slidably connected with the arc surface of the screw rod, the cross section of the fixed rod is in the shape of trapezoid, two stabilizing rods are fixedly connected with the surface of the connecting plate respectively, a stop block is fixedly connected with one end of the stabilizing rod, limit holes are formed in the two sides of the surface of the fixed rod respectively, the stabilizing rod is slidably connected with the inner wall of the limit hole, and a nut is threadedly connected with the arc surface of the screw rod.
[0008] The effect achieved by the above-mentioned components is that when the inner rack block of the splayed tail plug is assembled for use, first, the two connecting wires of the plug are respectively inserted into the inner walls of the two connecting pieces on the surface of the inner rack block, and then the connecting wires are welded and fixed with the connecting pieces by corresponding equipment, then the nut on one side of the inner rack block is operated to rotate on the arc surface of the screw rod, and due to the sliding limiting effect of the stabilizing rod on the connecting plate and the limiting hole on the surface of the fixing rod, the fixing rod stably slides on the screw rod, at this time, the rotating plate rotates on the arc surface of the rotating frame, thereby driving the arc-shaped plate fixedly connected on one side of the rotating plate to rotate and insert into the groove on the surface of the connecting piece, until the arc-shaped plate contacts and extrudes the inner wall of the connecting piece, at this time, the integrated plug inner rack of the splayed tail plug can be better connected with the plug connecting wire during use, and the inner rack block is not easy to be disconnected due to the swing of the connecting wire, which causes the welding position to be loose and broken, so as to avoid abnormal use or open circuit of the plug, improve the use effect of the plug, and prolong the service life of the plug inner rack.
[0009] Preferably, the surface of the nut is fixedly connected with an operating block, and the surface of the operating block is provided with a plurality of anti-skid stripes.
[0010] The effect achieved by the above-mentioned components is that through the setting of the operating block, the nut is more convenient and fast to rotate on the screw rod to extrude and fix the position of the stabilizing rod, so that the rotating plate is more quickly rotated during use, and the arc-shaped plate can better extrude the surface of the connecting wire, thereby improving the convenience of fixing the position of the arc-shaped plate, and improving the use convenience of the inner rack block to a certain extent.
[0011] Preferably, the inner wall of the arc-shaped plate is fixedly connected with a reinforcing pad, the reinforcing pad is a metal pad, and the inner wall of the reinforcing pad is fixedly connected with a plurality of reinforcing protrusions which are uniformly distributed.
[0012] The effect achieved by the above-mentioned components is that through the setting of the reinforcing pad, when the arc-shaped plate contacts and extrudes the surface of the connecting wire, the reinforcing protrusions on the inner wall of the arc-shaped plate extrude the connecting wire, so that the friction force of extrusion and fixation is further increased, and the stable connection of each component of the splayed tail plug during assembly is better ensured when the welding and fixation of the connecting wire and the connecting piece is loose, thereby improving the use effect and functionality of the anti-loose device.
[0013] Preferably, the two arc surfaces at the ends of the rotating frame are respectively sleeved with torsion springs, and the two ends of the torsion spring are respectively fixedly connected with the surfaces of the rotating frame and the rotating plate.
[0014] The effect achieved by the above-mentioned components is that: through the arrangement of the torsion spring, the connecting piece and the connecting wire are connected and fixed by welding or the like, so that the rotating plate can rotate under the torsion of the torsion spring, thereby the arc-shaped plate fixedly assembled can quickly contact and press the connecting wire on the inner wall of the connecting piece, improving the convenience of use of the anti-loosening device, and further reinforcing the protection of the connecting wire more efficiently and quickly.
[0015] Preferably, the two ends of the rotating frame are respectively fixedly connected with bearings, the inner ring of the bearing is fixedly connected with the arc surface of the rotating frame, and the outer ring of the bearing is fixedly connected with the inner wall of the rotating frame.
[0016] The effect achieved by the above-mentioned components is that: through the arrangement of the bearing, the rotating plate rotates more smoothly on the arc surface of the rotating frame, and the rotating wear between the rotating plate and the rotating frame is reduced, so that the arc-shaped plate is not prone to abnormal use when contacting and pressing in the groove of the connecting piece, thereby the assembly stability of the connecting wire is better guaranteed, and the efficient assembly efficiency of the inner frame block is improved.
[0017] Preferably, a connecting groove is formed in the side of the surface of the arc-shaped plate close to the screw rod, and the stable rod is in sliding connection with the inner wall of the connecting groove.
[0018] The effect achieved by the above-mentioned components is that: through the arrangement of the connecting groove, when the fixed rod contacts and presses the rotating plate to rotate and press, the stable contact between the fixed rod and the rotating plate is ensured, so that the rotating plate is not prone to abnormal shaking and deviation, thereby the arc-shaped plate can better reinforce and press the connecting wire in the inner wall of the connecting piece, and the use effect of the anti-loosening device is improved.
[0019] Preferably, the protection device comprises two rotating shafts, the two rotating shafts are fixedly connected with the surface of the inner frame block, and the two rotating shafts are located on the two sides of the rotating frame of the surface of the inner frame block, a fixed plate is rotatably connected with the arc surface of each of the two rotating shafts, a bolt penetrates and is inserted through the surface of the fixed plate, a protective cover is arranged on the surface of the inner frame block at the position of the screw rod component, the cross section of the protective cover is in the shape of "U", thread grooves are formed in the two sides of the surface of the protective cover, and the bolt is in threaded connection with the inner wall of the thread groove.
[0020] The effect achieved by the above-mentioned components is that when the anti-loosening device is used to reinforce and stabilize the connecting wire on the connecting piece, the protective cover is shielded on the surface of the rotating frame to shield and cover the components at the position of the rotating frame, then the fixed plates on the two rotating shafts are rotated to make the fixed plates contact and press the one side surface of the protective cover, then the threaded bolt is inserted into the surface of the fixed plate, and the threaded bolt is continuously rotated until the thread is screwed with the thread groove on the surface of the protective cover, so that the position of the protective cover is stabilized, at this time, when the anti-loosening device reinforces and protects the inner frame block, the components of the anti-loosening device can be shielded and protected, so that the subsequent covering of the insulating skin and other components on the surface of the inner frame block is facilitated, the normal installation and production of the plug are ensured, the insulating skin and other components are not easily damaged, and the negative effects such as puncture damage are avoided, and the normal use of the eight-tail plug is prolonged.
[0021] Preferably, a gasket is sleeved on the arc surface of the threaded bolt.
[0022] The effect achieved by the above-mentioned components is that when the anti-loosening device is used to reinforce and stabilize the connecting wire on the connecting piece, the protective cover is shielded on the surface of the rotating frame to shield and cover the components at the position of the rotating frame, then the fixed plates on the two rotating shafts are rotated to make the fixed plates contact and press the one side surface of the protective cover, then the threaded bolt is inserted into the surface of the fixed plate, and the threaded bolt is continuously rotated until the thread is screwed with the thread groove on the surface of the protective cover, so that the position of the protective cover is stabilized, at this time, when the anti-loosening device reinforces and protects the inner frame block, the components of the anti-loosening device can be shielded and protected, so that the subsequent covering of the insulating skin and other components on the surface of the inner frame block is facilitated, the normal installation and production of the plug are ensured, the insulating skin and other components are not easily damaged, and the negative effects such as puncture damage are avoided, and the normal use of the eight-tail plug is prolonged.
[0023] Preferably, reinforcing grooves are formed in the two sides of the surface of the protective cover, and the fixed plates are inserted into the inner walls of the reinforcing grooves.
[0024] The effect achieved by the above-mentioned components is that through the arrangement of the reinforcing grooves, when the protective cover is installed, one side of the fixed plate can be inserted into the reinforcing groove on the surface of the protective cover, so that the temporary position stability of the protective cover is ensured, and when the threaded bolt is rotated to fix the position of the protective cover, the threaded groove is connected and positioned more accurately and quickly, the convenience of use of the protective device is improved, and the subsequent installation of the insulating skin and other components is facilitated.
[0025] In summary, the beneficial effects of the present application are:
[0026] In the present application, the integrated plug inner frame of the eight-tail plug can be better connected with the plug connecting wire during use, the inner frame block is not easily separated from the connecting wire due to loosening and fracture of the welding position caused by swinging of the connecting wire during subsequent assembly and use, abnormal use or open circuit of the plug is avoided, the use effect of the plug is improved, and the service life of the plug inner frame is prolonged.
[0027] In the application, when reinforcing and protecting the inner frame block, the anti-loosening device can shield and protect each component of the anti-loosening device, and then facilitate subsequent covering of the insulating skin and other components on the surface of the inner frame block, ensure normal installation and production of the plug, and is not easy to cause negative effects such as puncture damage of the insulating skin and other components, and prolong the normal use of the eight-tail plug. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 It is a schematic diagram of the three-dimensional structure of the application;
[0029] Figure 2 It is a schematic diagram of the three-dimensional structure of the connecting piece position of the application;
[0030] Figure 3 It is a schematic diagram of the three-dimensional structure of the anti-loosening device of the application;
[0031] Figure 4 It is a schematic diagram of the three-dimensional structure of the arc-shaped plate position of the application;
[0032] Figure 5 It is a schematic diagram of the three-dimensional structure of the side view of the application; Figure 4
[0033] Figure 6 It is a schematic diagram of the exploded three-dimensional structure of the protection device of the application;
[0034] Figure 7 It is a schematic diagram of the three-dimensional structure of the side view of the application. Figure 6
[0035] Legend: 1, inner frame block; 2, insertion slot; 3, connecting piece; 4, anti-loosening device; 41, rotating frame; 42, rotating plate; 43, arc-shaped plate; 44, connecting plate; 45, screw rod; 46, fixed rod; 47, connecting groove; 48, nut; 49, stabilizing rod; 410, limiting hole; 411, stop block; 412, operating block; 413, reinforcing pad; 414, torsional spring; 415, bearing; 5, protection device; 51, rotating shaft; 52, fixed plate; 53, protective cover; 54, bolt; 55, threaded groove; 56, washer; 57, reinforcing groove. DETAILED DESCRIPTION
[0036] Reference Figure 1 and Figure 2 As shown, the present application provides a technical scheme: a one-piece anti-loose splayed tail plug inner frame, comprising an inner frame block 1, two insertion grooves 2 are formed on one side surface of the inner frame block 1, two connecting pieces 3 are fixedly connected to one side surface of the principle insertion groove 2 of the inner frame block 1, an anti-loose device 4 is arranged on the surface of the inner frame block 1 on the side where the two connecting pieces 3 are close to each other, the anti-loose device 4 makes the connecting wire installed on the connecting piece 3 on one side of the inner frame block 1 more stable and firm, and is not easy to loosen and separate during assembly and use, ensuring normal use of the splayed tail plug and preventing abnormal short circuit, a protection device 5 is arranged on one side of the anti-loose device 4 on one side surface of the inner frame block 1, the protection device 5 forms closed protection for the anti-loose device 4 arranged on the inner frame block 1, and the components of the anti-loose device 4 are not easy to abnormally change and damage, and the components on the surface of the inner frame block 1 are convenient to install and fix, when the inner frame block 1 of the splayed tail plug is used and assembled, first, the two connecting wires of the plug are respectively inserted into the inner walls of the two connecting pieces 3 on the surface of the inner frame block 1, then the connecting wires and the connecting pieces 3 are welded and fixed between the two components through corresponding equipment, then the anti-loose device 4 on one side of the inner frame block 1 is operated to reinforce and stabilize the plug connecting wire in the inner wall of the connecting piece 3, then the protection device 5 is used to cover and shield the related part components of the protection device 5, finally, the insulating skin and other components of the splayed tail plug are covered on the surface of the inner frame block 1, at this time, the one-piece plug inner frame of the splayed tail plug can be better connected with the plug connecting wire during use, the inner frame block 1 is not easy to loosen and separate due to the swing of the connecting wire during subsequent assembly and use, which causes the connecting wire to loosen and break at the welded position, resulting in abnormal use or open circuit of the plug, the use effect of the plug is improved, and the service life of the plug inner frame is prolonged.
[0037] Referring to Figure 1 - Figure 5As shown, in the embodiment: the anti-loosening device 4 comprises a rotating frame 41, which is fixedly connected with the side surface of the two connecting sheets 3 on the inner frame block 1 close to each other, the cross section of the rotating frame 41 is in the shape of "U", the two end arc surfaces of the rotating frame 41 are rotationally connected with rotating plates 42 respectively, one side surface of the rotating plate 42 is fixedly connected with an arc plate 43, one side surface of the rotating frame 41 is fixedly connected with a connecting plate 44, the surface of the connecting plate 44 is fixedly connected with a screw rod 45, the arc surface of the screw rod 45 is slidingly connected with a fixed rod 46, the cross section of the fixed rod 46 is in the shape of trapezoid, the surface of the connecting plate 44 is fixedly connected with stabilizing rods 49 on both sides respectively, one end of the stabilizing rod 49 is fixedly connected with a stop block 411, the surface of the fixed rod 46 is provided with limiting holes 410 on both sides of the screw rod 45 respectively, the stabilizing rod 49 is slidingly connected with the inner wall of the limiting hole 410, the arc surface of the screw rod 45 is threadedly connected with a nut 48, when the inner frame block 1 of the splayed tail plug is assembled, firstly, the two connecting wires of the plug are inserted into the inner wall of the two connecting sheets 3 on the surface of the inner frame block 1, then the connecting wires are welded and fixed with the connecting sheets 3 through corresponding equipment, then the nut 48 on one side of the inner frame block 1 is operated to rotate on the arc surface of the screw rod 45, because of the sliding limiting effect of the stabilizing rod 49 on the connecting plate 44 and the limiting hole 410 on the surface of the fixed rod 46, the stable sliding of the fixed rod 46 on the screw rod 45 is realized, at this time, the rotating plate 42 will rotate on the arc surface of the rotating frame 41, so as to drive the arc plate 43 fixedly connected with the rotating plate 42 to rotate and insert into the groove on the surface of the connecting sheet 3, until the arc plate 43 contacts and extrudes the plug wire on the inner wall of the connecting sheet 3, at this time, the integral plug inner frame of the splayed tail plug can be better connected with the plug connecting wire in use, the inner frame block 1 is not easy to be loosened and broken in the subsequent assembly and use process, the connection between the connecting wire and the plug is not easy to be separated due to the swing of the connecting wire, the abnormal use or open circuit of the plug is avoided, the use effect of the plug is improved, and the service life of the plug inner frame is prolonged.
[0038] Referring to Figure 1 - Figure 5As shown in this embodiment: an operating block 412 is fixedly connected to the surface of the nut 48. The surface of the operating block 412 is provided with several anti-slip stripes. By setting the operating block 412, the nut 48 can rotate on the screw 45. When the stabilizing rod 49 is pressed and fixed in position, the nut 48 can be rotated more conveniently and quickly. This allows the rotating plate 42 to rotate more quickly during use, resulting in the arc plate 43 being able to better press against the surface of the connecting line. This improves the convenience of fixing the position of the arc plate 43 and also improves the ease of use of the inner frame block 1 to a certain extent. The inner wall of the device is fixedly connected with a reinforcing pad 413, which is a metal pad. The inner wall of the reinforcing pad 413 has several evenly distributed reinforcing protrusions. By setting the reinforcing pad 413, when the contact plate 43 contacts and presses against the surface of the connecting wire, the reinforcing protrusions of the reinforcing pad 413 on the inner wall of the arc plate 43 press against the connecting wire, which further increases the friction of the pressing and fixing. This better ensures the stable connection of each component of the figure-eight plug during assembly when the connecting wire is wobbling and loose when it is welded to the connecting piece 3, and improves the use effect and functionality of the anti-loosening device 4.
[0039] Reference Figure 1 - Figure 5As shown, in the embodiment: the two end arc surfaces of the rotating frame 41 are respectively sleeved with torsion springs 414, the two ends of the torsion springs 414 are respectively fixedly connected with the surfaces of the rotating frame 41 and the rotating plate 42, through the arrangement of the torsion springs 414, after the connecting piece 3 is connected and fixed with the connecting wire through welding or the like, the rotating plate 42 can rotate under the torsion of the torsion springs 414, so that the arc-shaped plate 43 fixedly assembled can quickly contact and extrude on the connecting wire in the inner wall of the connecting piece 3, which improves the convenience of use of the anti-loose device 4, and more efficiently and quickly further reinforces and protects the connecting wire. The two end arc surfaces of the rotating frame 41 are respectively fixedly connected with bearings 415, the inner ring of the bearing 415 is fixedly connected with the arc surface of the rotating frame 41, and the outer ring of the bearing 415 is fixedly connected with the inner wall of the rotating frame 41. Through the arrangement of the bearing 415, when the rotating plate 42 rotates on the arc surface of the rotating frame 41, it is more smooth, and the rotating wear between the rotating plate 42 and the rotating frame 41 is reduced, so that the parts are not prone to abnormal use, so that when the arc-shaped plate 43 contacts and extrudes in the groove of the connecting piece 3, it is more stable, which can better ensure the assembly stability of the connecting wire and improve the efficient assembly efficiency of the inner frame block 1. The surface of the arc-shaped plate 43 is provided with a connecting groove 47 close to one side of the screw rod 45, and the stable rod 49 is slidingly connected with the inner wall of the connecting groove 47. Through the arrangement of the connecting groove 47, when the fixed rod 46 contacts and extrudes the rotating plate 42 to rotate and extrude the rotating plate 42, the stable contact between the fixed rod 46 and the rotating plate 42 is ensured, and the abnormal shaking and deviation of the rotating plate 42 is not prone to occur, so that the arc-shaped plate 43 can better reinforce and extrude the connecting wire in the inner wall of the connecting piece 3, and the use effect of the anti-loose device 4 is improved.
[0040] Referring to Figure 1 , Figure 3 and Figure 6As shown, in the embodiment: the protection device 5 includes two rotating shafts 51, which are respectively fixedly connected with the surface of the inner frame block 1, and are respectively located on both sides of the rotating frame 41 on the surface of the inner frame block 1. The circular arc surfaces of the two rotating shafts 51 are respectively rotationally connected with the fixed plates 52. The surface of the fixed plate 52 penetrates and is connected with the bolt 54. The surface of the inner frame block 1 at the position of the screw rod 45 component is covered with the protective cover 53. The cross section of the protective cover 53 is in the shape of "U". Threaded grooves 55 are respectively formed in the two sides of the surface of the protective cover 53. The bolt 54 is threadedly connected with the inner wall of the threaded groove 55. When the anti-loosening device 4 is used to reinforce and stabilize the connecting wire on the connecting piece 3, the protective cover 53 is shielded on the surface of the rotating frame 41 to shield and cover the components at the position of the rotating frame 41. Then the fixed plates 52 on the two rotating shafts 51 are rotated to make the fixed plates 52 contact and press the one side surface of the protective cover 53. Then the thread is inserted into the surface of the fixed plate 52. The bolt 54 is continuously rotated until the thread is threadedly connected with the threaded groove 55 on the surface of the protective cover 53, so as to stabilize the position of the protective cover 53. At this time, when the anti-loosening device 4 is used to reinforce and protect the inner frame block 1, the components of the anti-loosening device 4 can be shielded and protected, so as to facilitate the subsequent covering of the insulating skin and other components on the surface of the inner frame block 1, ensure the normal installation and production of the plug, and avoid negative effects such as puncture and damage of the insulating skin and other components, and prolong the normal use of the eight-tail plug.
[0041] Referring to Figure 1 , Figure 3 and Figure 7 As shown, in the embodiment: the circular arc surface of the bolt 54 is sleeved with the gasket 56. The gasket 56 is a rubber ring. Through the arrangement of the gasket 56, when the bolt 54 is inserted and penetrated into the surface of the fixed plate 52, the bolt 54 can be more closely contacted with the surface of the fixed plate 52, so as to make the bolt 54 more firmly connected with the inner wall of the threaded groove 55, avoid rotation loosening, better ensure the position stability of the protective cover 53, improve the stability of the use of the protective cover 53, and improve the convenience of the use of the protective device 5. The two sides of the surface of the protective cover 53 are respectively provided with reinforcing grooves 57. The fixed plate 52 is inserted with the inner wall of the reinforcing groove 57. Through the arrangement of the reinforcing groove 57, when the protective cover 53 is installed, one side of the fixed plate 52 can be inserted into the reinforcing groove 57 on the surface of the protective cover 53. At this time, the temporary position stability of the protective cover 53 can be ensured. When the position of the protective cover 53 is fixed by the rotation of the bolt 54, the bolt 54 is more accurately and quickly connected and positioned with the threaded groove 55, the convenience of the use of the protective device 5 is improved, and the subsequent installation of the insulating skin and other components is more convenient.
[0042] Working principle: when the inner block 1 of the eight-tail plug is assembled in use, first insert the two connecting wires of the plug into the inner wall of the two connecting pieces 3 on the surface of the inner block 1, then through the corresponding equipment, the connecting wires are welded and fixed between the two parts of the connecting piece 3, at this time the arc-shaped plate 43 fixedly connected on the rotating plate 42 will rotate under the torsional force of the torsional spring 414 on the rotating frame 41, so that the arc-shaped plate 43 is inserted into the groove on the surface of the connecting piece 3, then rotate the operating block 412 fixedly connected on the nut 48, make the nut 48 rotate on the arc surface of the screw rod 45, because the stable rod 49 on the connecting plate 44 and the sliding limiting hole 410 on the surface of the fixed rod 46 have sliding limiting effect, so that the fixed rod 46 stably slides on the screw rod 45, at this time the rotating plate 42 will rotate on the arc surface of the rotating frame 41, so as to drive the arc-shaped plate 43 fixedly connected on one side of the rotating plate 42 to contact and extrude the plug wire on the inner wall of the connecting piece 3, and the reinforcing pad 413 on the inner wall of the arc-shaped plate 43 is extruded, at this time the integral plug inner frame of the eight-tail plug can be better connected with the plug connecting wire in use, which can prevent the inner block 1 from being disconnected due to the loosening of the welding position caused by the swing of the connecting wire in the subsequent assembly and use process, so as to prevent the abnormal use or open circuit of the plug, improve the use effect of the plug, and prolong the service life of the plug inner frame.
[0043] When the anti-loosening device 4 is used to reinforce and stabilize the connecting wire on the connecting piece 3, shield the protective cover 53 on the surface of the rotating frame 41 to shield and cover the parts at the position of the rotating frame 41, then rotate the fixed plate 52 on the two rotating shafts 51 to make the fixed plate 52 contact and extrude one side surface of the protective cover 53, and make the fixed plate 52 inserted into the reinforcing groove 57 on the surface of the protective cover 53, then insert the threaded bolt 54 with the washer 56 into the surface of the fixed plate 52, and continue to rotate the threaded bolt 54 until the threaded hole is screwed with the threaded groove 55 on the surface of the protective cover 53, so that the position of the protective cover 53 is stable, at this time the anti-loosening device 4 can shield and protect the parts of the anti-loosening device 4 when reinforcing and protecting the inner block 1, so as to facilitate the subsequent covering of the insulating skin and other parts on the surface of the inner block 1, ensure the normal installation and production of the plug, prevent the insulating skin and other parts from being damaged, and prolong the normal use of the eight-tail plug.
Claims
1. An integral anti-loose keystone plug inner shelf, comprising an inner shelf block (1), characterized in that: The side surface of the inner frame block (1) is provided with two insertion grooves (2), the side surface of the inner frame block (1) away from the insertion grooves (2) is fixedly connected with two connecting plates (3), the surface of the inner frame block (1) on the side where the two connecting plates (3) are close to each other is provided with an anti-loosening device (4), the anti-loosening device (4) makes the connecting wire installed on the connecting plate (3) on one side of the inner frame block (1) more stable and firm, and is not easy to loosen and separate during assembly and use, thereby ensuring the normal use of the eight-character tail plug and preventing abnormal short circuit, the side surface of the inner frame block (1) on the side of the anti-loosening device (4) is provided with a protection device (5), the protection device (5) forms closed protection for the anti-loosening device (4) arranged on the inner frame block (1), the components of the anti-loosening device (4) are not easy to abnormally change and damage, and the components on the surface of the inner frame block (1) are convenient to install and fix.
2. The one-piece anti-loose keesing inner contact holder of claim 1, wherein: The anti-loosening device (4) comprises a rotating frame (41), the rotating frame (41) is fixedly connected with the side surface of the two connecting plates (3) on the inner frame block (1) which are close to each other, the cross section of the rotating frame (41) is in the shape of "U", the two end arc surfaces of the rotating frame (41) are respectively rotatably connected with rotating plates (42), one side surface of the rotating plate (42) is fixedly connected with an arc-shaped plate (43), one side surface of the rotating frame (41) is fixedly connected with a connecting plate (44), the surface of the connecting plate (44) is fixedly connected with a screw rod (45), the arc surface of the screw rod (45) is slidably connected with a fixed rod (46), the cross section of the fixed rod (46) is in the shape of trapezoid, the surface of the connecting plate (44) is respectively fixedly connected with stable rods (49) on both sides, one end of the stable rod (49) is fixedly connected with a stop block (411), the surface of the fixed rod (46) is respectively provided with limiting holes (410) on both sides of the screw rod (45), the stable rod (49) is slidably connected with the inner wall of the limiting hole (410), and the arc surface of the screw rod (45) is threadedly connected with a nut (48).
3. The one-piece anti-loose keesing inner contact holder of claim 2, wherein: The surface of the nut (48) is fixedly connected with an operation block (412), and the surface of the operation block (412) is provided with a plurality of anti-skid stripes.
4. The one-piece anti-loose keesing inner contact holder of claim 2, wherein: The inner wall of the arc-shaped plate (43) is fixedly connected with a reinforcing pad (413), the reinforcing pad (413) is a metal pad, and the inner wall of the reinforcing pad (413) is fixedly connected with a plurality of uniformly distributed reinforcing protrusions.
5. The one-piece anti-loose keesing inner contact holder of claim 2, wherein: The two end arc surfaces of the rotating frame (41) are respectively sleeved with torsion springs (414), and the two ends of the torsion spring (414) are respectively fixedly connected with the surface of the rotating frame (41) and the rotating plate (42).
6. The one-piece anti-loose keesing inner contact holder of claim 2, wherein: The two end arc surfaces of the rotating frame (41) are respectively fixedly connected with bearings (415), the inner ring of the bearing (415) is fixedly connected with the arc surface of the rotating frame (41), and the outer ring of the bearing (415) is fixedly connected with the inner wall of the rotating frame (41).
7. The one-piece anti-loose keesing inner contact holder of claim 2, wherein: The surface of the arc-shaped plate (43) is provided with a connecting groove (47) on the side close to the screw rod (45), and the stable rod (49) is slidably connected with the inner wall of the connecting groove (47).
8. The one-piece anti-loose keesing inner contact holder of claim 2, wherein: The protection device (5) includes two rotating shafts (51), the two rotating shafts (51) are respectively fixedly connected with the surface of the inner frame block (1), and the two rotating shafts (51) are respectively located on the two sides of the rotating frame (41) of the surface of the inner frame block (1), the circular arc surfaces of the two rotating shafts (51) are respectively rotationally connected with the fixing plates (52), the surface of the fixing plate (52) penetrates and is connected with the bolt (54), the surface of the inner frame block (1) is provided with the protective cover (53) at the position of the screw rod (45) component, the section of the protective cover (53) is in the shape of "U", the surface of the protective cover (53) is respectively provided with the threaded groove (55) on the two sides, and the bolt (54) is in threaded connection with the inner wall of the threaded groove (55).
9. The one-piece anti-loose keesing inner contact holder of claim 8, wherein: The circular arc surface of the bolt (54) is sleeved with the gasket (56), and the gasket (56) is a rubber ring.
10. The one-piece anti-loose keesing inner contact holder of claim 8, wherein: The surface of the protective cover (53) is respectively provided with the reinforcing grooves (57) on the two sides, and the fixing plate (52) is inserted into the inner wall of the reinforcing groove (57).