Integrated screw-free terminal block

Abstract

The integrated screw non-dropping terminal block includes an insulating base, a plurality of terminal blocks, a wiring locking screw, a nut and a pad; the insulating base includes a bottom plate, a longitudinal partition, a transverse partition, a top cover and a bottom cover; a mounting platform is arranged on the bottom plate; a through hole is arranged on both sides of the mounting platform on the bottom plate corresponding to the power side chamber and the load side chamber near the transverse partition; the top cover is arranged on the transverse partition; the bottom cover is arranged under the frame on the bottom surface of the bottom plate, a fixing column is arranged on the upper end surface of the bottom cover, and a spring is arranged on the fixing column; one side of the pad is bent downward and extended to form two supporting parts, and the two supporting parts respectively pass through the slots on the two sides of the middle part of the terminal block and the through hole of the mounting platform, the end of the supporting part abuts against the upper end of the spring, and the bending part on one side of the pad is limited by the outer edge of the top cover. The present invention breaks the piece-by-piece assembly form of the traditional screw non-dropping terminal block and the large volume structure of the existing screw non-dropping terminal block, and meets the market's demand for miniaturization and energy saving.

Description

Technical Field

[0001] The invention relates to a wiring socket, in particular to an integrated screw-proof wiring socket. Background Art

[0002] There are many common terminal blocks. This type of terminal block can be conveniently combined into different pole numbers from two poles to several poles according to actual needs. This type of terminal block is generally composed of an insulating base, a terminal frame, a conductive plate, a terminal screw, etc. Traditional products have more or less this or that kind of bad hidden dangers or shortcomings.

[0003] Traditional screw-not-drop terminal blocks use a combined structure between each level, and a combination of a terminal frame and a spring-loaded plate, which can easily cause the two poles to become loose. At the same time, due to the combined structure, an additional assembly process is required, and the material consumption is increased, making it difficult to achieve automated and rapid production. Moreover, the existing screw-not-drop terminal blocks are relatively large in size and are difficult to meet the market's demands for miniaturization and energy saving. Summary of the invention

[0004] The purpose of the present invention is to design an integrated screw-not-falling terminal block, which breaks the traditional piece-by-piece assembly form of the screw-not-falling terminal block and the large volume structure of the existing screw-not-falling terminal block, and also meets the market's demand for miniaturization and energy saving.

[0005] To achieve the above object, the technical solution of the present invention is:

[0006] An integrated screw-proof terminal block comprises an insulating base, comprising a bottom plate, on which a plurality of longitudinal partitions are arranged in parallel and at intervals, and a plurality of independent compartments are formed in parallel on the bottom plate along the length direction; a frame is arranged on the bottom surface of the bottom plate; a transverse partition is inserted in parallel and at intervals in the middle of the longitudinal partition, and the compartment is divided into a plurality of corresponding power supply side chambers and load side chambers along the width direction of the bottom plate, and mounting platforms are respectively arranged on the bottom plates corresponding to the power supply side chambers and the load side chambers; a gap is maintained between the bottom surface of the transverse partition and the upper end surface of the mounting platform to form a channel running through the front and back; a fixing groove is arranged in the center of the upper end surface of the mounting platform, and a through hole for inserting the wiring locking screw is arranged in the center of the bottom of the fixing groove; a through hole is respectively arranged on both sides of the mounting platform on the bottom plate corresponding to the power supply side chamber and the load side chamber near the side of the transverse partition; a top cover is arranged on the transverse partition; a bottom cover is arranged under the frame on the bottom surface of the bottom plate, and a plurality of fixing columns are vertically arranged on the upper end surface of the bottom cover corresponding to the through holes on the mounting platform, A spring is arranged on the fixing column; a plurality of terminal boards are inserted into the insulating base from the load side chamber or the power side chamber through the channel under the transverse partition plate, and overlapped on the mounting platform in the power side chamber and the load side chamber; a connecting through hole is arranged on each side of the terminal board along the length direction, and slots are arranged on the two sides of the middle part of the terminal board corresponding to the through holes on both sides of the mounting platform; a plurality of wiring locking screws, nuts and corresponding pads, a connecting through hole for the wiring locking screw to pass through is arranged in the center of the pad, one side of the pad is bent downward and extended to form two supporting parts, the two supporting parts respectively pass through the slots on the two side surfaces of the middle part of the terminal board and the through hole of the mounting platform, the end of the supporting part abuts against the upper end of the spring, and the bending part of one side of the pad is limited by the outer edge of the top cover; the nut is arranged in a fixing groove in the center of the upper end surface of the mounting platform, and the lower part of the wiring locking screw passes through the pad, the terminal board and the nut and is locked by the nut.

[0007] Preferably, the cross-section of the top cover is T-shaped, including a top plate and an insertion plate in the center of its bottom surface, and, corresponding to the power side chamber and the load side chamber, both sides of the top plate are bent downward to form a fixing portion, and a hook portion is provided on the inner side of the fixing portion; an insertion groove for inserting the top cover insertion plate is axially provided in the center of the transverse partition plate, and a fixing hook portion that cooperates with the hook portion on the inner side surface of the top cover top plate fixing portion is provided in the center of the upper part of the inner side surface of the transverse partition plate in the power side chamber and the load side chamber.

[0008] Preferably, a groove for inserting the top cover is provided in the center of the upper end surface of the longitudinal partition.

[0009] Preferably, both sides of the bottom cover in the length direction respectively extend upwards corresponding to the power side chamber and the load side to form fixed hooks, and correspondingly, both sides of the frame body on the bottom surface of the bottom plate are respectively provided with sockets for fixing the fixed hooks.

[0010] Preferably, a guide sleeve for the pad support portion to pass through is provided on the bottom surface of the bottom plate corresponding to the through hole, and guide grooves are provided on the inner walls on both sides of the guide sleeve.

[0011] Preferably, the bottom plate, longitudinal partitions, transverse partitions and frame of the insulating base are an integrated structure.

[0012] Beneficial effects of the present invention:

[0013] The present invention uses each pad through which the wiring locking screws are passed to be provided with two supporting parts that cooperate with the springs on the fixing columns of the bottom plate of the insulating base, and is limited by a top cover, so that the integrated screws are prevented from falling off, thereby breaking the piece-by-piece assembly form of the traditional screw-preventing wiring seat and the large volume structure of the existing screw-preventing wiring seat, and meeting the market's needs for miniaturization and energy saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a stereogram of an embodiment of the present invention.

[0015] Figure 2 FIG. 4 is a top view of an embodiment of the present invention.

[0016] Figure 3 for Figure 2 AA section view.

[0017] Figure 4 for Figure 2 BB cross-sectional view.

[0018] Figure 5 The three-dimensional decomposition of the embodiment of the present invention Figure 1 .

[0019] Figure 6 The three-dimensional decomposition of the embodiment of the present invention Figure 2 .

[0020] Figure 7 The three-dimensional structure of the insulating base in the embodiment of the present invention is Figure 1 .

[0021] Figure 8 The three-dimensional structure of the insulating base in the embodiment of the present invention is Figure 2 .

[0022] Fig. 9 FIG. 4 is a top view of the insulating base in the embodiment of the present invention.

[0023] Fig.10 for Fig. 9 CC cross-sectional view.

[0024] Fig.11 4 is a three-dimensional diagram of a top cover in an embodiment of the present invention. DETAILED DESCRIPTION

[0025] See also Figures 1 to 11 The integrated screw-free terminal block of the present invention comprises:

[0026] An insulating base 1, comprising:

[0027] A bottom plate 11 is provided with a plurality of longitudinal partitions 12 arranged in parallel and spaced apart from each other, so as to form a plurality of independent compartments 101 arranged in parallel along the length direction of the bottom plate 11; a frame 13 is provided on the bottom surface of the bottom plate 11;

[0028] A transverse partition 14 is inserted in parallel and spaced relation in the middle of the longitudinal partition 12, and the compartment is divided into a plurality of corresponding power side chambers and load side chambers along the width direction of the bottom plate, and mounting platforms 111 are respectively arranged on the bottom plates 11 corresponding to the power side chambers and the load side chambers; a gap is maintained between the bottom surface of the transverse partition 14 and the upper end surface of the mounting platform 111, so as to form a passage 102 running through the front and the back; a fixing groove 1111 is arranged in the center of the upper end surface of the mounting platform 111, and a through hole 1112 is arranged in the center of the bottom of the fixing groove 1111 for inserting the wiring locking screw; through holes 1113 and 1114 are respectively arranged on both sides of the mounting platform 111 on the bottom plates 11 corresponding to the power side chambers and the load side chambers near the transverse partition 12 (taking the power side chamber side as an example, the same below);

[0029] A top cover 15, arranged on the transverse partition 14;

[0030] The bottom cover 16 is arranged under the frame 13 on the bottom surface of the bottom plate 11, and a plurality of fixing columns 161, 161' are vertically arranged on the upper end surface of the bottom cover 16 corresponding to the through holes 1113, 1114 on the mounting platform 111, and springs 2, 2' are arranged on the fixing columns 161, 161';

[0031] A plurality of terminal boards 3, which are inserted into the insulating base 1 from the load side chamber or the power side chamber through the channel 102 under the transverse partition 14, and overlapped on the mounting platform 111 in the power side chamber and the load side chamber; the terminal boards 3 are respectively provided with a connecting through hole 31, 32 on both sides along the length direction, and slots 33, 34 are respectively provided on both sides of the middle part of the terminal boards 3 corresponding to the through holes 1113, 1114 on both sides of the mounting platform 111;

[0032] A plurality of wiring locking screws 4, nuts 5 and corresponding pads 6, wherein a connecting through hole 61 is provided in the center of the pad 6 for the wiring locking screw 4 to pass through, and one side of the pad 6 is bent downward and extended to form two supporting parts 62, 62', which respectively pass through the slots 33, 34 on the two side surfaces of the middle part of the terminal board 3 and the through holes 1113, 1114 of the mounting platform 111, and the ends of the supporting parts 62, 62' abut against the upper end of the spring 2, and the bending part of one side of the pad 6 is limited by the outer edge of the top cover 15; the nut 5 is arranged in a fixing groove 1111 in the center of the upper end surface of the mounting platform 111, and the lower part of the wiring locking screw 4 passes through the pad 6, the terminal board 3 and the nut 5, and is locked by the nut 5.

[0033] See also Fig.11 The cross section of the top cover 15 is T-shaped, including a top plate 151 and a plug-in plate 152 at the center of its bottom surface, and, corresponding to the power side chamber and the load side chamber, the two sides of the top plate 151 are bent downward to form fixing parts 1511 and 1512 respectively, and the inner sides of the fixing parts 1511 and 1512 are provided with hooks 15111 and 15121; the center of the transverse partition 14 is axially provided with an insertion groove 141 for inserting the plug-in plate of the top cover 15, and the upper center of the inner side surface of the transverse partition 14 in the power side chamber and the load side chamber is provided with fixing hooks 142 and 142' that cooperate with the hooks 15111 and 15121 on the inner sides of the fixing parts 1511 and 1512 of the top plate 151 of the top cover 15.

[0034] Preferably, a groove 121 for inserting the top cover 15 is provided in the center of the upper end surface of the longitudinal partition 12 .

[0035] Preferably, the two sides of the bottom cover 16 in the length direction correspond to the power side chamber and the load side and extend upward to form fixing hooks 162, 162' respectively. Correspondingly, the two sides of the frame 13 on the bottom surface of the bottom plate 11 are respectively provided with sockets 131, 131' for fixing the fixing hooks 162, 162'.

[0036] See also Figure 7 , Figure 8 The bottom surface of the bottom plate 11 is provided with guide sleeves 1115 and 1116 corresponding to the through holes 1113 and 1114 for the support parts 62 and 62' of the pad 6 to pass through, and guide grooves 11151 and 11152 are provided on the inner walls of both sides of the guide sleeve 1115.

[0037] Preferably, the bottom plate, longitudinal partitions, transverse partitions and frame of the insulating base are an integrated structure.

Claims

1. The integrated screw-free terminal block is characterized by: include, Insulating base, including, A bottom plate, on which a plurality of longitudinal partitions are arranged in parallel and at intervals, forming a plurality of independent compartments arranged in parallel along the length direction of the bottom plate; A frame is provided on the bottom surface of the base plate; A transverse partition is inserted in parallel and at intervals in the middle of the longitudinal partition, and the compartment is divided into a plurality of corresponding power side chambers and load side chambers along the width direction of the bottom plate, and mounting platforms are respectively arranged on the bottom plates corresponding to the power side chambers and the load side chambers; a gap is maintained between the bottom surface of the transverse partition and the upper end surface of the mounting platform to form a passage through the front and back; a fixing groove is arranged in the center of the upper end surface of the mounting platform, and a through hole for inserting a wiring locking screw is arranged in the center of the bottom of the fixing groove; a through hole is respectively arranged on both sides of the mounting platform on the bottom plate corresponding to the power side chamber and the load side chamber near the transverse partition; A top cover, disposed on the transverse partition; A bottom cover is arranged under the frame on the bottom surface of the bottom plate, and a plurality of fixing columns are vertically arranged on the upper end surface of the bottom cover corresponding to the through holes on the mounting platform, and a spring is arranged on the fixing columns; a plurality of terminal boards are inserted into the insulating base through the passage under the transverse partition from the load side chamber or the power side chamber, and overlapped on the mounting platforms in the power side chamber and the load side chamber; a connecting through hole is arranged on each side of the terminal board along the length direction, and slots are arranged on both sides of the middle part of the terminal board corresponding to the through holes on both sides of the mounting platform; A plurality of wiring locking screws, nuts and corresponding pads, wherein a connecting through hole is provided in the center of the pad for the wiring locking screw to pass through, one side of the pad is bent downward and extended to form two supporting parts, the two supporting parts respectively pass through the slots on the two side surfaces of the middle part of the terminal board and the through holes of the mounting platform, the end of the supporting part abuts against the upper end of the spring, and the bending part of one side of the pad is limited by the outer edge of the top cover; the nut is arranged in a fixed groove in the center of the upper end surface of the mounting platform, and the lower part of the wiring locking screw passes through the pad, the terminal board and the nut, and is locked by the nut.

2. The one-piece screw-proof terminal block according to claim 1, characterized in that: The cross-section of the top cover of the insulating base is T-shaped, including a top plate and a plug-in plate in the center of its bottom surface, and, corresponding to the power side chamber and the load side chamber, the two sides of the top plate are respectively bent downward to form a fixing portion, and a hook portion is provided on the inner side of the fixing portion; an insertion groove for inserting the top cover plug-in plate is axially provided in the center of the transverse partition plate, and a fixing hook portion that cooperates with the hook portion on the inner side of the top cover top plate fixing portion is provided in the center of the upper part of the inner side surface of the transverse partition plate in the power side chamber and the load side chamber.

3. The one-piece screw-proof terminal block according to claim 1 or 2, characterized in that: The two sides of the bottom cover of the insulating base in the length direction correspond to the power side chamber and the load side and extend upward to form fixed hooks. Correspondingly, the two sides of the frame body on the bottom surface of the bottom plate are respectively provided with sockets for fixing the fixed hooks.

4. The one-piece screw-proof terminal block according to claim 1 or 2, characterized in that: A guide sleeve for the pad support portion to pass through is provided at a corresponding through hole on the bottom surface of the bottom plate of the insulating base, and guide grooves are provided on the inner walls on both sides of the guide sleeve.

5. The integrated screw-proof terminal block according to claim 3, characterized in that: A guide sleeve for the pad support portion to pass through is provided at a corresponding through hole on the bottom surface of the bottom plate of the insulating base, and guide grooves are provided on the inner walls on both sides of the guide sleeve.

6. The integrated screw-proof terminal block according to claim 1 or 2, characterized in that: A groove for inserting the top cover is provided in the center of the upper end surface of the longitudinal partition of the insulating base.

7. The integrated screw-proof terminal block according to claim 3, characterized in that: A groove for inserting the top cover is provided in the center of the upper end surface of the longitudinal partition of the insulating base.

8. The integrated screw-proof terminal block according to claim 4, characterized in that: A groove for inserting the top cover is provided in the center of the upper end surface of the longitudinal partition of the insulating base.

9. The integrated screw-proof terminal block according to claim 5, characterized in that: A groove for inserting the top cover is provided in the center of the upper end surface of the longitudinal partition of the insulating base.

10. The integrated screw-proof terminal block according to claim 1 or 2, characterized in that: The bottom plate, longitudinal partition plate, transverse partition plate and frame of the insulating base are an integrated structure.

11. The integrated screw-proof terminal block according to claim 3, characterized in that: The bottom plate, longitudinal partition plate, transverse partition plate and frame of the insulating base are an integrated structure.

12. The integrated screw-proof terminal block according to claim 4, characterized in that: The bottom plate, longitudinal partition plate, transverse partition plate and frame of the insulating base are an integrated structure.

13. The integrated screw-proof terminal block according to claim 5, characterized in that: The bottom plate, longitudinal partition plate, transverse partition plate and frame of the insulating base are an integrated structure.

14. The integrated screw-proof terminal block according to claim 6, characterized in that: The bottom plate, longitudinal partition plate, transverse partition plate and frame of the insulating base are an integrated structure.

15. The integrated screw-proof terminal block according to claim 7, characterized in that: The bottom plate, longitudinal partition plate, transverse partition plate and frame of the insulating base are an integrated structure.

16. The integrated screw-proof terminal block according to claim 8, characterized in that: The bottom plate, longitudinal partition plate, transverse partition plate and frame of the insulating base are an integrated structure.

17. The integrated screw-proof terminal block according to claim 9, characterized in that: The bottom plate, longitudinal partition plate, transverse partition plate and frame of the insulating base are an integrated structure.

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