Conductive structure of winding roll

Abstract

The conductive structure comprises a support main body and a socket assembly fixedly connected to the support main body, the support main body comprises a straight shaft part, a wire wheel assembly is rotatably arranged on the straight shaft part, and the wire wheel assembly comprises a wire winding wheel and a power supply disc coaxially and fixedly arranged on the wire winding wheel. A plurality of power supply rings are coaxially arranged on the power supply disc from inside to outside; the side, facing the power supply disc, of the socket assembly is fixedly connected with a power connection disc assembly, the power connection disc assembly is provided with a plurality of elastic power connection components corresponding to the power supply ring, each elastic power connection component comprises an elastic part and a conductive ring electrically connected with the socket assembly, one end of each elastic part abuts against the power connection disc assembly, and the other end of each elastic part pushes the corresponding conductive ring to make contact with the power supply ring to be powered on. The electric connector has the effects of improving the electric connection stability and prolonging the service life.

Description

Technical Field

[0001] This utility model relates to the field of wire reel technology, and in particular to a conductive structure of a wire reel. Background Technology

[0002] A Chinese patent with publication number CN216903375U discloses a rotary power supply device, including a fixed disk and a rotating disk. One end of the rotating disk has a protruding shaft that rotates and cooperates with the fixed disk. Two mutually isolated first and second energizing coils are sleeved on the rotating shaft. A bus is provided on the fixed disk. Two conductive voltage springs, a first and a second, are provided on the fixed disk that elastically abut against the first and second energizing coils, respectively. The input end of the bus is connected to the first conductive voltage spring, and the output end of the bus is connected to the second conductive voltage spring. At least one set of wires is provided on the rotating disk. The input end of the wires is connected to the first energizing coil, and the output end of the wires is connected to the second energizing coil.

[0003] However, the above-mentioned power supply has the following drawbacks: the power supply is energized by setting a first voltage-conducting spring and a second voltage-conducting spring on a fixed plate, and by using the first voltage-conducting spring and the second voltage-conducting spring to elastically abut against the first energizing coil and the second energizing coil sleeved on the rotating shaft, respectively. However, after long-term use, the surfaces of the first voltage-conducting spring and the second voltage-conducting spring are prone to wear, resulting in poor energizing effect, which urgently needs to be improved. Utility Model Content

[0004] The purpose of this invention is to provide a conductive structure for a wire reel that improves electrical connection stability and extends service life.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a conductive structure of a winding reel, including a support body and a socket assembly fixedly connected to the support body. The support body includes a straight shaft portion, and a wire wheel assembly is rotatably disposed on the straight shaft portion. The wire wheel assembly includes a winding reel and a power supply disc coaxially fixed on the winding reel. A plurality of power supply rings are coaxially disposed on the power supply disc from the inside to the outside.

[0006] A power receiving panel assembly is fixedly connected to the side of the socket assembly facing the power supply panel. The power receiving panel assembly is provided with a plurality of elastic power receiving components corresponding to the power supply ring. Each elastic power receiving component includes an elastic element and a conductive ring electrically connected to the socket assembly. One end of the elastic element abuts against the power receiving panel assembly, and the other end of the elastic element pushes the conductive ring to contact the power supply ring for energization.

[0007] By adopting the above technical solution, the winding reel is driven to rotate around the straight axis of the bracket body to release or retract the power cord. When the winding reel assembly rotates, it drives the power supply disc to rotate synchronously. Regardless of whether the power supply ring is rotating or stationary, the elastic element uses its own elastic force to push the conductive ring to always press against the power supply ring, so that the power supply ring and the conductive ring make contact and conduct electricity, thereby enabling the socket assembly to be energized. This utility model uses the elastic force of the elastic element to push the conductive ring and the power supply ring to make contact and conduct electricity. After long-term use, the elastic force of the elastic element will not disappear. Even after long-term use, if the concentricity of the winding reel relative to the straight axis decreases due to harsh operating environment and wobbles, the elastic element can still rely on its own elastic deformation force to buffer the wobbling generated in the axial direction of the straight axis, so that the conductive ring is always firmly attached to the power supply ring to achieve energization. This has the effect of improving the stability of electrical connection and extending service life.

[0008] A further feature of this invention is that the power receiving plate assembly has an annular cavity, the conductive ring includes an annular conductive portion and a plurality of electrical contact protrusions disposed on the annular conductive portion, the annular conductive portion is floatingly disposed within the annular cavity, the power receiving plate assembly has a plurality of through holes on the side facing the power supply plate, the through holes communicate with the annular cavity, and the elastic element is disposed within the annular cavity and used to push the electrical contact protrusions out from the through holes.

[0009] By adopting the above technical solution, when the contact points of several electrical contact protrusions and the power supply ring are not coplanar, the rotation of the power supply disk will push each electrical contact protrusion to generate axial jump. At this time, the elastic element corresponding to each electrical contact protrusion accumulates or releases elastic force to ensure that the end of the electrical contact protrusion can extend out of the corresponding through hole and always be able to contact the power supply ring for power supply.

[0010] A further feature of this invention is that the junction box assembly includes a left cover and a right cover. The left cover has a first groove corresponding to the annular conductive part, and the right cover has a second groove corresponding to the annular conductive part. When the left cover and the right cover are fixedly connected, the first groove and the second groove are aligned with each other and together form the annular cavity.

[0011] By adopting the above technical solution, the detachable design of the left and right covers facilitates the installation and removal of the conductive ring within the junction box assembly.

[0012] A further feature of this invention is that the elastic element is a spring, the left cover has a positioning post corresponding to the first end of the spring, the electric contact protrusion has a positioning groove corresponding to the second end of the spring, the first end of the spring is sleeved on the positioning post and abuts against the left cover, and the second end of the spring abuts against the positioning groove.

[0013] By adopting the above technical solution, the positioning column and the positioning groove cooperate with each other to position the two ends of the spring, preventing the spring from shifting in the annular cavity and causing elastic failure.

[0014] A further feature of this invention is that the annular conductive portion extends radially from the position of the electrical contact protrusion and is provided with a reinforcing portion; the contact plate assembly has a limiting groove in the side wall of the annular cavity to constrain the reinforcing portion; and the reinforcing portion is constrained within the limiting groove and slides along its axial direction.

[0015] By adopting the above technical solution, the reinforcement part improves the structural strength of the electric contact protrusion. At the same time, the limiting groove limits the reinforcement part, and the sliding fit between the reinforcement part and the limiting groove can effectively prevent the conductive ring from rotating in the annular cavity.

[0016] A further feature of this invention is that a plurality of the elastic elements are arranged circumferentially within the annular cavity corresponding to the annular conductive portion, and adjacent elastic elements are equally spaced apart.

[0017] By adopting the above technical solution, multiple elastic elements arranged at equal intervals make the elastic clamping force acting on the conductive ring more uniform and consistent.

[0018] A further feature of this invention is that the power supply ring includes a live wire electrode ring, a neutral wire electrode ring, and a ground wire electrode ring concentrically arranged on the side wall of the power supply panel. The number of conductive rings corresponds to the number of power supply rings, and a plurality of conductive rings are arranged opposite to the live wire electrode ring, the neutral wire electrode ring, and the ground wire electrode ring on the side wall of the power receiving panel assembly.

[0019] By adopting the above technical solution, the live wire electrode ring, neutral wire electrode ring, and ground wire electrode ring can be aligned with the corresponding conductive ring and make contact to conduct electricity.

[0020] A further feature of this invention is that a plurality of the electrical contact protrusions are equally spaced along the circumference of the annular conductive portion, and the electrical contact protrusions on adjacent conductive rings are staggered.

[0021] By adopting the above technical solution, the stress distribution on the power supply disk generated by the electrical contact protrusions on each conductive ring is made more uniform.

[0022] A further feature of this invention is that: the edge of the power receiving panel assembly extends toward the power supply panel with an outer annular rib, the outer annular rib forming a rotating groove on the power receiving panel assembly, the power supply panel rotatingly engaging with the rotating groove, and the inner wall of the outer annular rib being limited and stopped by the outer wall of the power supply panel.

[0023] By adopting the above technical solution, the inner wall of the outer ring rib can limit the outer periphery of the power supply board, so that the power supply board can only rotate within the rotating groove formed by the outer ring rib.

[0024] A further feature of this invention is that: an inner ring rib extends from the middle of the power receiving panel assembly toward the side of the power supply panel; the power supply panel is provided with an annular sleeve corresponding to the inner ring rib; the annular sleeve is rotatably fitted around the inner ring rib; and an anti-detachment part extends radially outward from the end of the inner ring rib away from the power receiving panel assembly; the inner ring rib and the anti-detachment part cooperate to prevent detachment.

[0025] By adopting the above technical solution, the power supply panel can only rotate coaxially outside the inner ring rib, and the anti-detachment part can effectively prevent the power supply panel from detaching from the connected panel assembly.

[0026] In summary, this utility model has the following beneficial effects:

[0027] A socket assembly is fixedly connected to the straight shaft end of the support body. A reel assembly is rotatably mounted on the straight shaft. The reel assembly includes a winding reel and a power supply disc coaxially fixed on the winding reel. Several power supply rings are coaxially arranged on the power supply disc from the inside to the outside. A receiving disc assembly is fixedly connected to the side of the socket assembly facing the power supply disc. The receiving disc assembly has several elastic receiving components, each including an elastic element and a conductive ring electrically connected to the socket assembly. This drives the winding reel to rotate around the straight shaft of the support body, realizing the unwinding or rewinding of the power cord. When the reel assembly rotates, it drives the power supply disc to rotate synchronously. Regardless of whether the power supply rings are rotating or stationary, the elastic element... The elastic element uses its own elastic force to push the conductive ring to always press against the power supply ring, so that the power supply ring and the conductive ring make contact and conduct electricity, thereby realizing the power supply of the socket assembly. This utility model uses the elastic force of the elastic element itself to push the conductive ring and the power supply ring to make contact and conduct electricity. After long-term use, the elastic force of the elastic element itself will not disappear. Even after long-term use, when the concentricity of the winding reel relative to the straight shaft part decreases due to harsh operating environment, the elastic element can still rely on its own elastic deformation force to buffer the shaking generated in the axial direction of the straight shaft part, so that the conductive ring and the power supply ring are always firmly attached together to achieve power supply. This has the effect of improving the stability of electrical connection and extending service life. Attached Figure Description

[0028] Figure 1 This is an overall structural diagram of the present invention.

[0029] Figure 2 This is a longitudinal sectional view of the present invention.

[0030] Figure 3 This is a utility model Figure 2A magnified view of a portion of region A in the middle.

[0031] Figure 4 This is an exploded view of the socket assembly and bracket body of this utility model.

[0032] Figure 5 This is an exploded view of the entire utility model.

[0033] Figure 6 This is a utility model Figure 5 Another perspective.

[0034] Figure 7 This is a structural diagram of the elastic electrical connection component of this utility model.

[0035] In the diagram: 1. Support body; 11. Straight shaft; 2. Socket assembly; 21. Conductive sheet; 3. Connector assembly; 30. Annular chamber; 4. Left cover; 41. First groove; 42. Positioning post; 5. Right cover; 51. Second groove; 52. Through hole; 53. Limiting groove; 54. Outer annular rib; 541. Rotating groove; 55. Inner annular rib; 551. Anti-detachment part; 6. Elastic contact component; 61. Elastic element; 62. Conductive ring; 621. Annular conductive part; 6211. Reinforcing part; 622. Electrical contact protrusion; 6221. Positioning groove; 7. Wire reel assembly; 8. Winding reel; 9. Power supply panel; 90. Annular mounting groove; 91. Power supply ring; 911. Ground electrode ring; 912. Neutral electrode ring; 913. Live electrode ring; 92. Annular sleeve. Detailed Implementation

[0036] The present invention will be further described below with reference to the accompanying drawings.

[0037] A conductive structure for a wire reel, such as Figures 1-4 As shown, the device includes a support body 1 and a socket assembly 2 fixedly connected to the support body 1. The support body 1 includes a straight shaft portion 11, on which a reel assembly 7 is rotatably mounted. The reel assembly 7 includes a winding reel 8 and a power supply reel 9 coaxially fixed to the winding reel 8. Three power supply rings 91 are coaxially arranged on the power supply reel 9 from the inside out. A receiving reel assembly 3 is fixedly connected to the side of the socket assembly 2 facing the power supply reel 9. The receiving reel assembly 3 has several elastic contact members 6 corresponding to the power supply rings 91. The device includes an elastic element 61 and a conductive ring 62 electrically connected to the socket assembly 2. One end of the elastic element 61 abuts against the power receiving plate assembly 3, and the other end of the elastic element 61 pushes the conductive ring 62 to contact the power supply ring 91 to conduct electricity. In this embodiment, an annular mounting groove 90 is provided on the power supply plate 9 corresponding to the power supply ring 91. The power supply ring 91 is fixedly installed in the corresponding annular mounting groove 90. The socket assembly 2 has a socket hole, and a conductive sheet 21 is inserted into the socket hole. The two ends of the conductive ring 62 are electrically connected to the power supply ring 91 and the conductive sheet 21, respectively.

[0038] like Figures 1-7 As shown, the power receiving assembly 3 has an annular chamber 30. The conductive ring 62 includes an annular conductive part 621 and three electrical contact protrusions 622 fixed on the annular conductive part 621. The annular conductive part 621 is floatingly disposed in the annular chamber 30. The power receiving assembly 3 has several through holes 52 on the side facing the power supply plate 9. The through holes 52 communicate with the annular chamber 30. An elastic element 61 is disposed in the annular chamber 30 and is used to push the electrical contact protrusions 622 out of the through holes 52. When the contact points of the three electrical contact protrusions 622 and the power supply ring 91 are not coplanar, the rotation of the power supply plate 9 will push each electrical contact protrusion 622 to produce axial jump. At this time, the elastic element 61 corresponding to each electrical contact protrusion 622 accumulates or releases elastic force to ensure that the end of the electrical contact protrusion 622 can extend out of the corresponding through hole 52 and can always contact the power supply ring 91 to conduct electricity. The power receiving assembly 3 includes a left cover 4 and The right cover 5 and the left cover 4 have a first groove 41 corresponding to the annular conductive part 621, and the right cover 5 has a second groove 51 corresponding to the annular conductive part 621. When the left cover 4 and the right cover 5 are fixedly connected, the first groove 41 and the second groove 51 are aligned with each other and together form an annular cavity 30. The detachable design of the left cover 4 and the right cover 5 facilitates the installation and removal of the conductive ring 62 in the contact plate assembly 3. The elastic element 61 is a spring. The left cover 4 has a positioning post 42 corresponding to the first end of the spring, and the electric contact protrusion 622 has a positioning groove 6221 corresponding to the second end of the spring. The first end of the spring is sleeved on the positioning post 42 and abuts against the left cover 4. The second end of the spring abuts against the positioning groove 6221. The positioning post 42 and the positioning groove 6221 cooperate with each other to position the two ends of the spring and prevent the spring from shifting in the annular cavity 30, which would cause elastic failure.

[0039] like Figures 5-6As shown, the annular conductive part 621 extends radially from the position of the electrical contact protrusion 622 and is provided with a reinforcing part 6211. The contact plate assembly 3 has a limiting groove 53 on the side wall of the annular cavity 30 to constrain the reinforcing part 6211. The reinforcing part 6211 is constrained in the limiting groove 53 and slides along its axial direction. The provision of the reinforcing part 6211 improves the structural strength at the position of the electrical contact protrusion 622. At the same time, the limiting effect of the limiting groove 53 on the reinforcing part 6211 and the sliding fit between the reinforcing part 6211 and the limiting groove 53 can effectively prevent the conductive ring 62 from rotating in the annular cavity 30. Each set of elastic contact members 6 has three elastic elements 61. The three elastic elements 61 are arranged circumferentially in the annular cavity 30 corresponding to the annular conductive part 621, and adjacent elastic elements 61 are equally spaced. The elastic elements 61 are arranged in an equilateral triangle, making the elastic clamping force acting on the conductive ring 62 more uniform. The power supply ring 91 includes a live wire electrode ring 913, a neutral wire electrode ring 912, and a ground wire electrode ring 911 concentrically arranged on the side wall of the power supply disk 9. There are three conductive rings 62, which are concentrically arranged on the side wall of the junction box assembly 3, corresponding to the live wire electrode ring 913, the neutral wire electrode ring 912, and the ground wire electrode ring 911, so that the live wire electrode ring 913, the neutral wire electrode ring 912, and the ground wire electrode ring 911 can be aligned with the corresponding conductive ring 62 and make contact with the power supply disk 9. The three electrical contact protrusions 622 are equally spaced around the annular conductive part 621, and the electrical contact protrusions 622 on adjacent conductive rings 62 are staggered, so that the stress distribution on the power supply disk 9 generated by the electrical contact protrusions 622 on each conductive ring 62 is more uniform.

[0040] like Figures 3-6 As shown, an outer annular rib 54 extends from the edge of the power receiving panel assembly 3 toward the power supply panel 9. The outer annular rib 54 forms a rotating groove 541 around the power receiving panel assembly 3. The power supply panel 9 rotates with the rotating groove 541, and the inner wall of the outer annular rib 54 limits and stops the outer wall of the power supply panel 9. The inner wall of the outer annular rib 54 can limit the outer periphery of the power supply panel 9, so that the power supply panel 9 can only rotate within the rotating groove 541 formed by the outer annular rib 54. The middle part of the power receiving panel assembly 3 faces the power supply panel. An inner ring rib 55 extends from one side of the power supply plate 9. A ring sleeve 92 is provided on the power supply plate 9 corresponding to the inner ring rib 55. The ring sleeve 92 is rotatably fitted outside the inner ring rib 55. An anti-detachment part 551 extends radially outward from the end of the inner ring rib 55 away from the power supply plate assembly 3. The inner ring rib 55 and the anti-detachment part 551 cooperate to prevent detachment, so that the power supply plate 9 can only rotate coaxially outside the inner ring rib 55. At the same time, the anti-detachment part 551 can effectively prevent the power supply plate 9 from detaching from the power supply plate assembly 3.

[0041] The basic working principle of this utility model is as follows: A socket assembly 2 is fixedly connected to the end of the straight shaft portion 11 of the support body 1. A wire reel assembly 7 is rotatably mounted on the straight shaft portion 11. The wire reel assembly 7 includes a winding reel 8 and a power supply disc 9 coaxially fixed on the winding reel 8. Several power supply rings 91 are coaxially arranged on the power supply disc 9 from the inside to the outside. A receiving disc assembly 3 is fixedly connected to the side of the socket assembly 2 facing the power supply disc 9. Several elastic receiving components 6 are provided on the receiving disc assembly 3. The elastic receiving components 6 include elastic elements 61 and conductive rings 62 electrically connected to the socket assembly 2. By driving the winding reel 8 to rotate around the straight shaft portion 11 of the support body 1, the power cord can be unloaded or retracted. When the winding reel 8 rotates, it will drive the power supply disc 3 to rotate synchronously. Regardless of whether the power supply rings 91 are rotating or stationary, the elastic elements 61 remain in place. The elastic element 61 uses its own elastic force to push the electrical contact protrusion 622 of the conductive ring 62 to always press against the power supply ring 91, so that the power supply ring 91 and the conductive ring 62 make contact and conduct electricity, thereby realizing the power supply of the socket assembly 2. This utility model uses the elastic force of the elastic element 61 to push the electrical contact protrusion 622 of the conductive ring 62 to contact the power supply ring 91 and conduct electricity. After long-term use, the elastic force of the elastic element 61 will not disappear. Even after long-term use, if the concentricity of the winding wheel 8 relative to the straight shaft 11 decreases due to the harsh environment, the elastic element 61 can also rely on its own elastic deformation force to buffer the shaking generated along the axial direction of the straight shaft 11, so that the conductive ring 62 is always firmly attached to the power supply ring 91 to achieve the effect of conducting electricity. This has the effect of improving the stability of electrical connection and extending service life.

[0042] The above description is only a preferred embodiment of the present utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A conductive structure for a cable reel, comprising a support body (1) and a socket assembly (2) fixedly connected to the support body (1), characterized in that: The main body (1) of the bracket includes a straight shaft part (11), and a spool assembly (7) is rotatably provided on the straight shaft part (11). The spool assembly (7) includes a winding wheel (8) and a power supply disk (9) coaxially fixed on the winding wheel (8). A plurality of power supply rings (91) are coaxially arranged on the power supply disk (9) from the inside to the outside. The socket assembly (2) is fixedly connected to a power receiving plate assembly (3) on the side facing the power supply plate (9). The power receiving plate assembly (3) is provided with a plurality of elastic power receiving components (6) corresponding to the power supply ring (91). The elastic power receiving component (6) includes an elastic element (61) and a conductive ring (62) electrically connected to the socket assembly (2). One end of the elastic element (61) abuts against the power receiving plate assembly (3), and the other end of the elastic element (61) pushes the conductive ring (62) to contact the power supply ring (91) for power supply.

2. The conductive structure of a winding reel according to claim 1, characterized in that: The power receiving plate assembly (3) has an annular cavity (30). The conductive ring (62) includes an annular conductive part (621) and a plurality of electrical contact protrusions (622) disposed on the annular conductive part (621). The annular conductive part (621) is floatingly disposed in the annular cavity (30). The power receiving plate assembly (3) has a plurality of through holes (52) on the side facing the power supply plate (9). The through holes (52) communicate with the annular cavity (30). The elastic member (61) is disposed in the annular cavity (30) and is used to push the electrical contact protrusions (622) out of the through holes (52).

3. The conductive structure of a winding reel according to claim 2, characterized in that: The junction box assembly (3) includes a left cover (4) and a right cover (5). The left cover (4) has a first groove (41) corresponding to the annular conductive part (621), and the right cover (5) has a second groove (51) corresponding to the annular conductive part (621). When the left cover (4) and the right cover (5) are fixedly connected, the first groove (41) and the second groove (51) are aligned with each other and together form the annular cavity (30).

4. The conductive structure of a winding reel according to claim 3, characterized in that: The elastic element (61) is a spring. The left cover (4) is provided with a positioning post (42) corresponding to the first end of the spring. The electric contact protrusion (622) is provided with a positioning groove (6221) corresponding to the second end of the spring. The first end of the spring is sleeved on the outside of the positioning post (42) and abuts against the left cover (4). The second end of the spring abuts against the positioning groove (6221).

5. The conductive structure of a winding reel according to claim 2, characterized in that: The annular conductive part (621) extends radially from the electrical contact protrusion (622) and is provided with a reinforcing part (6211). The contact plate assembly (3) has a limiting groove (53) for constraining the reinforcing part (6211) on the side wall of the annular cavity (30), and the reinforcing part (6211) is constrained in the limiting groove (53) and slides along its axial direction.

6. The conductive structure of a winding reel according to claim 2, characterized in that: A plurality of elastic elements (61) are arranged circumferentially in the annular cavity (30) corresponding to the annular conductive part (621), and adjacent elastic elements (61) are equally spaced.

7. The conductive structure of a winding reel according to claim 2, characterized in that: The power supply ring (91) includes a live wire electrode ring (913), a neutral wire electrode ring (912) and a ground wire electrode ring (911) concentrically arranged on the side wall of the power supply panel (9). The number of conductive rings (62) corresponds to the number of power supply rings (91). A plurality of conductive rings (62) are arranged opposite to the live wire electrode ring (913), the neutral wire electrode ring (912) and the ground wire electrode ring (911) on the side wall of the power receiving panel assembly (3).

8. The conductive structure of a winding reel according to claim 2, characterized in that: A plurality of the electrical contact protrusions (622) are equally spaced on the circumference of the annular conductive portion (621), and the electrical contact protrusions (622) on adjacent conductive rings (62) are staggered.

9. The conductive structure of a winding reel according to claim 1, characterized in that: The edge of the power receiving panel assembly (3) extends toward the power supply panel (9) with an outer ring rib (54). The outer ring rib (54) surrounds the power receiving panel assembly (3) to form a rotating groove (541). The power supply panel (9) rotates with the rotating groove (541), and the inner wall of the outer ring rib (54) is limited and stopped by the outer wall of the power supply panel (9).

10. The conductive structure of a winding reel according to claim 1, characterized in that: The middle part of the power receiving panel assembly (3) extends towards the side of the power supply panel (9) with an inner ring rib (55). The power supply panel (9) is provided with an annular sleeve (92) corresponding to the inner ring rib (55). The annular sleeve (92) is rotatably sleeved on the outside of the inner ring rib (55). The end of the inner ring rib (55) away from the power receiving panel assembly (3) extends radially outward with an anti-detachment part (551). The inner ring rib (55) and the anti-detachment part (551) are anti-detached in cooperation.

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