Power supply switching device

Abstract

The utility model provides a power supply switching device, which relates to the technical field of power supply switching, and comprises a base, the upper side of which is provided with a mounting groove with an open top; the fastening structure comprises a conducting strip and a bolt fastening assembly, the bolt fastening assembly penetrates through the conducting strip, a nut of the bolt fastening assembly is embedded in the mounting groove, and rotation of the nut is limited by the mounting groove; the top cover is in a box shape, a wire passing hole is formed in the top cover, the top cover is detachably connected with the base, a positioning groove is formed in the top cover, when the top cover is connected with the base, one end of the bolt fastening assembly is arranged in the positioning groove in a penetrating mode, and axial and radial movement of the bolt fastening assembly is limited by the positioning groove; power supply switching can be carried out more conveniently, and the positioning effect and the protection effect of the power supply switching position are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of power supply transfer, and more specifically, relates to a power supply transfer device. Background Art

[0002] Terminal blocks are mainly used to achieve electrical connections, making wire connections more convenient, while power transfer is more common in electrical design and is used to connect various electronic devices and cables. Power transfer can be achieved by welding or by connecting cables through an adapter box. The former has the disadvantage of being difficult to disassemble once welded, while the latter can be achieved by crimping terminal blocks with bolts. It has the advantages of easy connection, high reliability, and easy maintenance, and is widely used in electrical system design. Utility Model Content

[0003] The purpose of the utility model is to provide a power supply transfer device, which can realize more convenient power supply transfer and improve the positioning effect and protection effect of the power supply transfer position.

[0004] In order to achieve the above object, the utility model provides a power supply adapter, comprising:

[0005] A base, wherein an upper side of the base is provided with a mounting groove with an open top;

[0006] A fastening structure, the fastening structure comprising a conductive sheet and a bolt fastening assembly, the bolt fastening assembly passing through the conductive sheet, a nut of the bolt fastening assembly being embedded in the mounting groove and limited in rotation by the mounting groove;

[0007] The top cover is box-shaped and has a wire hole. The top cover is detachably connected to the base. A positioning groove is provided inside the top cover. When the top cover is connected to the base, one end of the bolt fastening assembly is inserted into the positioning groove, and the axial and radial movement of the bolt fastening assembly is limited by the positioning groove.

[0008] Optionally, a pair of plug-in slots are provided on both sides of the base, a snap-in slot connected to the plug-in slot is provided at the bottom of the plug-in slot, an upper slot wall of the snap-in slot forms a snap-in surface, a pair of plug-in ears is provided at the lower end of the top cover, a raised snap-in portion is provided on one side of the pair of plug-in ears close to each other, the plug-in ears can be inserted into the plug-in slot, and the snap-in portion can be snapped into the snap-in slot and contact the snap-in surface.

[0009] Optionally, the clamping portion is a wedge-shaped structure, and the lower surface of the clamping portion is an inclined surface.

[0010] Optionally, a through hole communicating with the clamping groove is provided at the bottom of the base below the clamping groove.

[0011] Optionally, the bolt fastening assembly includes a bolt, a washer and a nut, the nut of the bolt is embedded in the mounting groove, the screw rod of the bolt passes through the conductive sheet and extends upward, and the washer and the nut cooperate with the screw rod.

[0012] Optionally, the nut is detachably connected to the mounting groove.

[0013] Optionally, a cylindrical portion is provided on the inner top surface of the top cover, and the positioning groove with an open lower end is formed inside the cylindrical portion.

[0014] Optionally, one wire hole is respectively provided at both ends of the top cover.

[0015] Optionally, the base and the top cover are made of 30% glass fiber reinforced polyetheretherketone (Peek).

[0016] Optionally, the conductive sheet is made of brass.

[0017] The utility model provides a power supply adapter, which has the beneficial effects of: the power supply adapter has a fastening structure, and the terminals of the connecting cable can be fastened respectively on the upper and lower sides of the conductive sheet through a bolt fastening assembly, so as to realize a compression connection between the terminal and the conductive sheet, and then realize power supply transfer; an installation groove is arranged on the upper side of the base of the power supply adapter, and the nut of the bolt fastening assembly is limited by the installation groove, which is convenient for installation and limits its rotation; the top cover can be arranged above the conductive sheet and the first bolt fastening assembly, so as to improve the protection effect of the wiring position; and the positioning groove in the top cover can position the bolt fastening assembly to avoid its axial and radial movement.

[0018] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.

[0020] Figure 1 The figure shows an overall structural diagram of a power supply adapter according to an embodiment of the utility model.

[0021] Figure 2 A schematic cross-sectional structure diagram of a power supply adapter according to an embodiment of the utility model is shown.

[0022] Figure 3A three-dimensional cross-sectional structural schematic diagram of a power supply adapter according to an embodiment of the utility model is shown.

[0023] Figure 4 A three-dimensional schematic diagram of a fastening structure of a power supply adapter according to an embodiment of the utility model is shown.

[0024] Figure 5 A front schematic view of a fastening structure of a power supply adapter device according to an embodiment of the utility model is shown.

[0025] Figure 6 A three-dimensional schematic diagram of the connection between a fastening structure and a base of a power supply adapter device according to an embodiment of the utility model is shown.

[0026] Figure 7 A front view schematic diagram of the connection between a fastening structure of a power supply adapter and a base according to an embodiment of the utility model is shown.

[0027] Figure 8 A three-dimensional schematic diagram of a base of a power supply adapter device according to an embodiment of the utility model is shown.

[0028] Fig. 9 A three-dimensional schematic diagram of a top cover of a power supply adapter device according to an embodiment of the utility model is shown.

[0029] Fig.10 A three-dimensional cross-sectional schematic diagram of a top cover of a power supply adapter device according to an embodiment of the utility model is shown.

[0030] Description of reference numerals:

[0031] 1. Base; 2. Mounting slot; 3. Conductive sheet; 4. Bolt fastening assembly; 5. Top cover; 6. Wire hole; 7. Positioning slot; 8. Plug slot; 9. Snap-on slot; 10. Plug ear; 11. Snap-on portion; 12. Through hole. DETAILED DESCRIPTION

[0032] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0033] like Figures 1 to 10 As shown, the utility model provides a power supply transfer device, comprising:

[0034] A base 1, wherein an upper side of the base 1 is provided with a mounting groove 2 with an open top;

[0035] The fastening structure includes a conductive sheet 3 and a bolt fastening assembly 4. The bolt fastening assembly 4 penetrates the conductive sheet 3. The nut of the bolt fastening assembly 4 is embedded in the mounting groove 2 and is restricted in rotation by the mounting groove 2.

[0036] The top cover 5 is box-shaped and has a wire hole 6. The top cover 5 is detachably connected to the base 1. A positioning groove 7 is provided inside the top cover 5. When the top cover 5 is connected to the base 1, one end of the bolt fastening assembly 4 is inserted into the positioning groove 7, and the positioning groove 7 limits the axial and radial movement of the bolt fastening assembly 4.

[0037] Specifically, in order to realize more convenient power supply transfer and improve the positioning effect and protection effect of the power supply transfer position; the power supply transfer device provided by the utility model has a fastening structure, and the terminals of the connecting cable can be fastened on the upper and lower sides of the conductive sheet 3 respectively through the bolt fastening assembly 4, so as to realize the compression connection between the terminal and the conductive sheet 3, and then realize the power supply transfer. The upper side of the base 1 of the power supply transfer device is provided with an installation groove 2, and the nut of the bolt fastening assembly 4 is limited by the installation groove 2, which is convenient for installation and limits its rotation. The setting of the top cover 5 can cover the conductive sheet 3 and the first bolt fastening assembly 4, so as to improve the protection effect of the wiring position, and the positioning groove 7 in the top cover 5 can position the bolt fastening assembly 4 to avoid its axial and radial movement.

[0038] Optionally, a pair of plug-in slots 8 are provided on both sides of the base 1, and a snap-in slot 9 connected to the plug-in slot 8 is provided at the bottom of the plug-in slot 8, and the upper groove wall of the snap-in slot 9 forms a snap-in surface, and a pair of plug-in ears 10 are provided at the lower end of the top cover 5, and a raised snap-in portion 11 is provided on the side where the pair of plug-in ears 10 are close to each other, and the plug-in ears 10 can be inserted into the plug-in slot 8, and the snap-in portion 11 can be snapped into the snap-in slot 9 and contact the snap-in surface.

[0039] Specifically, the top cover 5 is installed on the base 1 in a snap-fitting manner, which is easy to install and will not cause the nut to loosen compared to the bolt connection. When the top cover 5 is installed on the base 1, a pair of plug-in ears 10 on the top cover 5 are inserted into a pair of plug-in slots 8 on the base. Due to the presence of the snap-fitting portion 11, the plug-in ears 10 undergo elastic deformation during the insertion process until the snap-fitting portion 11 is inserted into the snap-fitting slot 9. The elastic deformation is restored, and the snap-fitting portion 11 forms a contact snap-fit ​​with the snap-fitting surface, thereby completing the installation of the top cover 5 and the base 1.

[0040] Optionally, the clamping portion 11 is a wedge-shaped structure, and the lower surface of the clamping portion 11 is an inclined surface.

[0041] Specifically, the inclined surface on the lower side of the clamping portion 11 provides guidance during the plugging process, making the insertion process smoother.

[0042] Optionally, a through hole 12 communicating with the clamping groove 9 is provided at the bottom of the base 1 below the clamping groove 9 .

[0043] Specifically, the provision of the through hole 12 facilitates the use of a tool to insert into the through hole 12 and push the clamping portion 11, so as to release the clamping connection between the top cover 5 and the base 1 and remove the top cover 5; and, the opening direction of the through hole 12 is toward the inclined surface, pushing the clamping portion 11 outward, further simplifying the clamping release and making it easier to release the clamping connection.

[0044] Optionally, the bolt fastening assembly 4 includes a bolt, a washer and a nut, the nut of the bolt is embedded in the mounting groove 2, the screw rod of the bolt passes through the conductive sheet 3 and extends upward, and the washer and the nut cooperate with the screw rod.

[0045] Specifically, gaskets can be provided on both sides of the conductive sheet 3 . During the wiring process, the terminals of the incoming and outgoing lines can be crimped on both sides of the conductive sheet 3 , respectively. After fastening, the nuts of the fastening structure are placed in the mounting groove 2 .

[0046] Optionally, the nut is detachably connected to the mounting groove 2 .

[0047] Specifically, the nut and the mounting slot 2 are detachably matched in a plug-in manner, which facilitates installation and disassembly of the fastening structure and further facilitates wiring operations.

[0048] Optionally, a cylindrical portion is provided on the inner top surface of the top cover 5 , and a positioning groove 7 with an open lower end is formed inside the cylindrical portion.

[0049] Specifically, the cylindrical portion extends downward from the top plate of the top cover 5, and a positioning groove 7 with an open lower end is formed inside the cylindrical portion. The positioning groove 7 and the mounting groove 2 are respectively located at the center of the top cover 5 and the base 1, and the positions of the two correspond to each other. The positioning groove 7 can be used to position the fastening structure to avoid its axial and radial movement.

[0050] Optionally, a wire hole 6 is respectively provided at both ends of the top cover 5 .

[0051] Specifically, the two wire holes 6 can be used for passing an external cable in and an external cable out respectively.

[0052] Optionally, the material of the base 1 and the top cover 5 is 30% glass fiber reinforced polyetheretherketone (Peek).

[0053] Specifically, 30% glass fiber reinforced polyetheretherketone (PEEK) 450GL30 is a polymer material, which is composed of polyetheretherketone (PEEK) and 30% glass fiber. Polyetheretherketone (PEEK) is a high-performance thermoplastic with excellent mechanical properties, chemical stability and thermal stability. Glass fiber can enhance the strength and stiffness of polyetheretherketone (PEEK) and improve its fatigue life and wear resistance.

[0054] Optionally, the conductive sheet 3 is made of brass.

[0055] Specifically, the conductive sheet 36 is made of high-conductivity H62 brass that has been surface passivated.

[0056] In summary, when the power supply adapter provided by the utility model is used, taking the case where the power supply cable in the electrical system needs to be transferred as an example, firstly, the terminals of the input cable and the terminals of the output cable are respectively crimped on the upper and lower surfaces of the conductive sheet 3; then the nut of the bolt fastening assembly 4 is assembled into the mounting groove 2 on the base 1; then the top cover 5 is covered, and during this process, the screw of the bolt fastening assembly 4 is aligned with the positioning groove 7 on the top cover 5, and as the plug-in ear 10 on the top cover 5 is inserted into the plug-in groove 8, the screw enters the positioning groove 7 until the clamping portion 11 contacts the card to complete the clamping, and the screw is positioned by the positioning groove 7. Through holes 12 are designed on both the left and right sides below the base 1. When the top cover 5 needs to be removed, a flat ejector can be passed through the through hole 12, and the clamping portion 11 is pushed outward with force to release the clamping portion 11 from the clamping groove 9, so as to facilitate the removal of the top cover 5.

[0057] The various embodiments of the utility model have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A power supply transfer device, characterized in that: include: A base, wherein an upper side of the base is provided with a mounting groove with an open top; A fastening structure, the fastening structure comprising a conductive sheet and a bolt fastening assembly, the bolt fastening assembly passing through the conductive sheet, a nut of the bolt fastening assembly being embedded in the mounting groove and limited in rotation by the mounting groove; The top cover is box-shaped and has a wire hole. The top cover is detachably connected to the base. A positioning groove is provided inside the top cover. When the top cover is connected to the base, one end of the bolt fastening assembly is inserted into the positioning groove, and the axial and radial movement of the bolt fastening assembly is limited by the positioning groove.

2. The power supply transfer device according to claim 1, characterized in that: A pair of plug-in slots are provided on both sides of the base, a clamping slot connected to the plug-in slot is provided at the bottom of the plug-in slot, an upper slot wall of the clamping slot forms a clamping surface, a pair of plug-in ears are provided at the lower end of the top cover, a raised clamping portion is provided on one side of the pair of plug-in ears close to each other, the plug-in ears can be inserted into the plug-in slot, and the clamping portion can be clamped into the clamping slot and contact the clamping surface.

3. The power supply transfer device according to claim 2, characterized in that: The clamping portion is a wedge-shaped structure, and the lower surface of the clamping portion is an inclined surface.

4. The power supply transfer device according to claim 3, characterized in that: A through hole communicating with the clamping groove is arranged at the bottom of the base below the clamping groove.

5. The power supply transfer device according to claim 1, characterized in that: The bolt fastening assembly comprises a bolt, a washer and a nut. The nut of the bolt is embedded in the mounting groove. The screw rod of the bolt penetrates the conductive sheet and extends upward. The washer and the nut cooperate with the screw rod.

6. The power supply transfer device according to claim 1, characterized in that: The nut is detachably connected to the mounting groove.

7. The power supply transfer device according to claim 1, characterized in that: A cylindrical portion is arranged on the inner top surface of the top cover, and the positioning groove with an open lower end is formed inside the cylindrical portion.

8. The power supply transfer device according to claim 1, characterized in that: The two ends of the top cover are respectively provided with a wire passing hole.

9. The power supply transfer device according to claim 1, characterized in that: The conductive sheet is made of brass.

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