Hollow telescopic wire box device

Abstract

The utility model belongs to the technical field of commodity anti-theft display equipment, and particularly relates to a hollow telescopic wire box device which comprises an upper shell and a lower shell. A line concentration disc is arranged between the upper shell and the lower shell, and the upper shell, the lower shell and the line concentration disc are respectively provided with a first center hole, a second center hole and a third center hole; a copper guide rail is arranged on the wire collecting disc; a circuit board is arranged on the upper shell; a cable is arranged in the wire collecting disc; the copper guide rail is respectively connected with the circuit board and the cable. Through a first center hole, a second center hole and a third center hole which are respectively arranged on the upper shell, the lower shell and the wire collecting disc, a hollow structure is realized in the wire box product; by adopting the design, when the anti-theft device is matched and installed with the anti-theft device, the hollow area inside the anti-theft device can be matched with the base inside the anti-theft device, an end face fixing mode does not need to be adopted, space is saved, and assembling difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wire box device, in particular to a hollow telescopic wire box device, belongs to commodity anti -theft display equipment technical field. BACKGROUND

[0002] In the commodity anti -theft display, especially the product display such as mobile phone, flat product this use scene, wire box usually with anti -theft device together, install wire box in anti -theft device, then product (for example mobile phone) and wire cable on wire box are connected.Therefore, the shape structure, size of optimization wire box can improve the space utilization rate in anti -theft device, can reduce assembly difficulty and production cost further.Chinese patent literature no. CN208822177U discloses an anti -theft device and exhibition experience table, in the patent, the wire collection disc can only be installed in the box with vertical placement, and the patent literature no. CN205622710U discloses a detachable mobile phone anti -theft device, also adopts similar layout.The defect of this structure is: since the wire collection disc only has two end faces that can be used for installation connection, it can only be fixed in the anti -theft device in a vertical arrangement, resulting in that the overall size of the anti -theft device is relatively large during design and production, especially the height is relatively high, and thinning cannot be realized, and the installation process of the anti -theft device is complex.Therefore, a wire box product with smaller internal space requirement for the anti -theft device needs to be designed. SUMMARY

[0003] The utility model aims at overcoming the above technical insufficient, proposes a hollow telescopic wire box device, and the space is less, and the volume of anti -theft device is optimized, and assembly is convenient and efficient, and production cost is low.

[0004] The hollow telescopic wire box device comprises an upper shell and a lower shell, a wire collection disc is arranged between the upper shell and the lower shell, the upper shell, the lower shell and the wire collection disc are respectively provided with a first center hole, a second center hole and a third center hole, a copper guide rail is arranged on the wire collection disc, a circuit board is arranged on the upper shell, a cable is arranged in the wire collection disc, and the copper guide rail is connected with the circuit board and the cable.

[0005] Further, the first center hole, the second center hole and the third center hole are coaxially arranged, a wire collection groove is arranged around the wire collection disc, the cable is arranged in the wire collection groove, and a clock spring is arranged between the wire collection disc and the lower shell.

[0006] Further, a ring groove is arranged around the coaxial outer side of the third center hole, and the copper guide rail comprises a first guide rail and a second guide rail which are arranged inside and outside.

[0007] Further, the first guide rail and the second guide rail are connected with the circuit board through a copper sheet joint, the circuit board is connected with an external power supply through a terminal, and the first guide rail and the second guide rail are connected with the cable through soldering.

[0008] Further, a fixed plastic piece is arranged in the annular groove; the first guide rail and the second guide rail are arranged on the fixed plastic piece; the first guide rail, the second guide rail and the fixed plastic piece are all hollow annular.

[0009] Further, a circuit board mounting groove is arranged on the surface of the upper shell; the circuit board mounting groove is outside the first central hole; the circuit board is embedded in the circuit board mounting groove.

[0010] Further, an outer diameter buckle is arranged on the outer side of the upper shell in a circumferential direction; an outer diameter buckle groove is arranged on the surface of the lower shell and matched with the outer diameter buckle; an inner diameter buckle and an inner diameter buckle groove matched with each other are arranged on the inner sides of the first central hole and the second central hole respectively; an inner wall is arranged on the outer side of the inner diameter buckle; the third central hole of the wire concentrator is arranged on the outer side of the inner wall in a rotating manner.

[0011] Further, screw seats are arranged on the outer sides of the upper shell and the lower shell in a circumferential direction.

[0012] The utility model has the following beneficial effects: through the first central hole, the second central hole and the third central hole arranged on the upper shell, the lower shell and the wire concentrator respectively, a hollow structure is realized in the junction box product; when matched with the burglar alarm, the hollow area inside the junction box can be matched with the base inside the burglar alarm, and the end face fixing mode is not needed; the junction box can be used in the base of the burglar alarm with small volume, the assembly difficulty is reduced, and the space utilization rate is improved.

[0013] Meanwhile, the matched copper guide rail also adopts a hollow annular structure, which can well adapt to the hollow design of the upper shell, the lower shell and the wire concentrator, meet the hollow structure requirement of the product, and also meet the requirement of real-time power supply in the rotating pull wire process. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an assembly structure schematic view of the utility model.

[0015] Figure 2 It is an assembly structure schematic view of the utility model in another direction.

[0016] Figure 3 It is an exploded structure schematic view of the utility model.

[0017] Figure 4 It is a cross section structure schematic view of the utility model.

[0018] Figure 5 It is a structure schematic view of the utility model in a state of being arranged in the burglar alarm.

[0019] Figure 6 It is a combination state schematic view of the utility model, the burglar alarm and the product (mobile phone).

[0020] Figure 7It is a partial view of the upper shell.

[0021] In the figure: 1 is a circuit board, 2 is an upper shell, 2-1 is a first center hole, 2-2 is a circuit board mounting groove, 2-3 is an outer diameter buckle, 2-4 is an inner diameter buckle, 2-5 is an inner wall, 3 is a first guide rail, 4 is a second guide rail, 5 is a fixed plastic piece, 6 is a wire collecting disc, 6-1 is a third center hole, 6-2 is a wire collecting groove, 6-3 is a ring groove, 7 is a cable, 8 is a clockwork spring, 9 is a lower shell, 9-1 is a second center hole, 9-2 is an outer diameter clamping groove, 9-3 is an inner diameter clamping groove, 10 is a screw seat, and 11 is an anti-theft device. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0023] Referring to Figures 1-6 The hollow retractable wire box device disclosed in the examples of the application comprises an upper shell 2 and a lower shell 9. A wire collecting disc 6 is arranged between the upper shell 2 and the lower shell 9. The upper shell 2, the lower shell 9 and the wire collecting disc 6 have a first center hole 2-1, a second center hole 9-1 and a third center hole 6-1 respectively. Copper guide rails are arranged on the wire collecting disc 6. A circuit board 1 is arranged on the upper shell 9. A cable 7 is arranged in the wire collecting disc 6. The copper guide rails are connected to the circuit board 1 and the cable 7 respectively.

[0024] Further, the first center hole 2-1, the second center hole 9-1 and the third center hole 6-1 are coaxially arranged. A wire collecting groove 6-2 is arranged around the wire collecting disc 6. The cable is arranged in the wire collecting groove 6-2. A clockwork spring 8 is arranged between the wire collecting disc 6 and the lower shell 9.

[0025] Further, a ring groove 6-3 is arranged around the coaxial outer side of the third center hole 6-1. The copper guide rails comprise a first guide rail 3 and a second guide rail 4 which are distributed inside and outside.

[0026] Further, the first guide rail 3 and the second guide rail 4 are connected to the circuit board 1 through a copper sheet joint. The circuit board 1 is connected to an external power supply through a terminal. The first guide rail 3 and the second guide rail 4 are connected to the cable 7 through soldering.

[0027] Further, a fixed plastic piece 5 is arranged in the ring groove 6-3. The first guide rail 3 and the second guide rail 4 are arranged on the fixed plastic piece 5. The first guide rail 3, the second guide rail 4 and the fixed plastic piece 5 are all hollow annular.

[0028] In the embodiment, the upper shell 2, the lower shell 9 and the hub 6 are respectively provided with a first central hole 2-1, a second central hole 9-1 and a third central hole 6-1, forming a circular ring type hollow structure in the whole wire box product; in order to adapt to the hollow design, the first guide rail 3 and the second guide rail 4 for conducting electricity also adopt a circular ring design, and the hub 6 is provided with a ring groove 6-3 for embedding and fixing the plastic sheet 5, and the first guide rail 3 and the second guide rail 4 are connected on the fixed plastic sheet 5. When the wire is reeled in and out, the first guide rail 3 and the second guide rail 4 rotate synchronously with the hub 6, and the terminal of the first guide rail 3 and the second guide rail 4 is welded with one end of the cable 7; the first guide rail 3 and the second guide rail 4 are also provided with guide grooves for the joint of the circuit board 1 to slide, so that when the first guide rail 3 and the second guide rail 4 rotate relative to the circuit board 1, the electricity can be conducted at any position, and the hollow design can be met.

[0029] Further, the surface of the upper shell 2 is provided with a circuit board mounting groove 2-2; the circuit board mounting groove 2-2 is outside the first central hole 2-1; the circuit board 1 is embedded in the circuit board mounting groove 2-2.

[0030] Further, the outer side of the upper shell 2 is circumferentially provided with an outer diameter buckle 2-3; the surface of the lower shell 9 is provided with an outer diameter buckle slot 9-2 matched with the outer diameter buckle 2-3; the inner sides of the first central hole 2-1 and the second central hole 9-1 are respectively provided with matched inner diameter buckles 2-4 and inner diameter buckle slots 9-3; the outer side of the inner diameter buckle 2-4 is provided with an inner wall 2-5; the third central hole 6-1 of the hub 6 is rotatably arranged outside the inner wall 2-5.

[0031] In the embodiment, the upper shell 2 and the lower shell 9 are connected by the outer diameter buckle 2-3, the outer diameter buckle slot 9-2, the inner diameter buckle 2-4 and the inner diameter buckle slot 9-3; at the same time, the outer side of the inner diameter buckle 2-4 is provided with an inner wall 2-5 (see Figure 4 ), and the hub 6 shell rotates around the inner wall 2-5.

[0032] Further, the outer sides of the upper shell 2 and the lower shell 9 are circumferentially provided with screw seats 10.

[0033] In the embodiment, on the basis of the buckle connection, a plurality of screw seats 10 are further arranged circumferentially on the upper shell 2 and the lower shell 9, so that the upper shell 2 and the lower shell 9 can be further connected by screwing.

[0034] Working principle: when the cable 7 is retracted or extended, the hub 6 is driven to rotate; when the hub 6 rotates, the first guide rail 3 and the second guide rail 4 on the surface of the hub 6 rotate synchronously, since the first guide rail 3 and the second guide rail 4 are always in contact with the joint of the circuit board and are welded with one end of the cable 7, so that the real-time conduction of the cable 7 can be maintained. Since the first guide rail 3 and the second guide rail 4 are both in the shape of a ring, and are matched with the first center hole 2-1, the second center hole 9-1 and the third center hole 6-1, a hollow structure can be formed in the inner center of the product. This hollow position can be used as the mounting position of the anti-theft device base, without the need to install the anti-theft device through the end surface of the upper shell or the lower shell, thereby saving the internal space of the anti-theft device.

[0035] The specific embodiments of the present application described above do not constitute a limitation on the scope of protection of the present application. Any other corresponding changes and modifications made according to the technical concept of the present application shall be included in the scope of protection of the claims of the present application.

Claims

1. A hollow telescopic cable box device, comprising an upper shell (2) and a lower shell (9); a cable tray (6) is provided between the upper shell (2) and the lower shell (9), characterized in that: The upper shell (2), lower shell (9) and hub (6) have a first center hole (2-1), a second center hole (9-1) and a third center hole (6-1) respectively; a copper guide rail is provided on the hub (6); a circuit board (1) is provided on the upper shell (2); a cable (7) is provided inside the hub (6); the copper guide rail is connected to the circuit board (1) and the cable (7) respectively.

2. The hollow telescopic junction box device according to claim 1, characterized in that: The first central hole (2-1), the second central hole (9-1) and the third central hole (6-1) are coaxially arranged; a cable tray (6-2) is arranged around the cable tray (6); the cable is located in the cable tray (6-2); a spring (8) is arranged between the cable tray (6) and the upper shell (2).

3. The hollow telescopic junction box device according to claim 1, characterized in that: The third center hole (6-1) is surrounded by an annular groove (6-3) on its coaxial outer side; the copper guide rail includes a first guide rail (3) and a second guide rail (4) distributed inside and outside.

4. The hollow telescopic junction box device according to claim 3, characterized in that: The first guide rail (3) and the second guide rail (4) are connected to the circuit board (1) through copper sheet connectors; the circuit board (1) is connected to the external power supply through wiring terminals; the first guide rail (3) and the second guide rail (4) are connected to the cable (7) through soldering.

5. The hollow telescopic junction box device according to claim 4, characterized in that: A fixed plastic sheet (5) is provided inside the annular groove (6-3); the first guide rail (3) and the second guide rail (4) are set on the fixed plastic sheet (5); the first guide rail (3), the second guide rail (4) and the fixed plastic sheet (5) are all hollow annular.

6. The hollow telescopic junction box device according to claim 1, characterized in that: The surface of the upper shell (2) is provided with a circuit board mounting groove (2-2); the circuit board mounting groove (2-2) is located outside the first central hole (2-1); the circuit board (1) is embedded in the circuit board mounting groove (2-2).

7. The hollow telescopic junction box device according to claim 1, characterized in that: The outer circumferential surface of the upper shell (2) is provided with an outer diameter buckle (2-3); the surface of the lower shell (9) is provided with an outer diameter groove (9-2) that matches the outer diameter buckle (2-3); the inner sides of the first center hole (2-1) and the second center hole (9-1) are respectively provided with matching inner diameter buckles (2-4) and inner diameter grooves (9-3); the outer side of the inner diameter buckle (2-4) is provided with an inner wall (2-5); the third center hole (6-1) of the hub (6) is rotatably located on the outer side of the inner wall (2-5).

8. The hollow telescopic junction box device according to claim 7, characterized in that: Screw seats (10) are provided on the outer circumferential sides of the upper shell (2) and the lower shell (9).

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