Anti-drop terminal block structure

Abstract

The utility model discloses an anti-drop terminal block structure, which comprises a first terminal block and a second terminal block, the extending direction of welding legs of the terminal blocks is set as the lower part, and one side wall of the first terminal block, which is vertical to the lower side surface, and one side wall of the second terminal block, which is vertical to the lower side surface, are attached to each other. The terminal block is characterized in that a first fastener extending along the horizontal direction is arranged on one side wall of the first terminal block, a second fastener extending along the horizontal direction is arranged on one side wall of the second terminal block, and the first fastener and the second fastener are horizontally connected in an inserted mode. According to the utility model, the cost is greatly reduced, the two terminal blocks are firmly spliced, the quality of a spliced finished product is stable, standardized management and control are facilitated, the splicing assembly can be completed by hooking and pushing, the operation is simple and convenient, and the production efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to a terminal block connector, in particular to an anti-dropping terminal block structure. Background Art

[0002] At present, when using terminal blocks, it is often necessary to combine two terminal blocks with different structures. The conventional method of combining two terminal blocks with different structures is: a dovetail groove 24 extending in the up-down direction is set on the side wall of one terminal block, and a dovetail convex strip 14 extending in the up-down direction is set on the side wall of the other terminal block. After the two are plugged and assembled, they are bonded by glue to prevent the product from falling off and separating.

[0003] This method has many operating procedures, complex operations, low production efficiency and high costs. In addition, this method results in low quality of the finished product after the two terminal blocks are combined, unstable connection, and easy to cause problems such as adhesion of other parts. In addition, the use of glue leads to poor environmental performance of the product. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides an anti-falling terminal block structure. The surface of the anti-falling terminal block structure uses glue, which can realize the rapid splicing of two terminal blocks, reduce the splicing cost, and improve the connection stability of the two terminal blocks.

[0005] The utility model adopts a technical solution to solve its technical problems: an anti-drop terminal block structure, including a first terminal block and a second terminal block, wherein the extending direction of the terminal block welding foot is downward, and a side wall of the first terminal block perpendicular to the lower side surface and a side wall of the second terminal block perpendicular to the lower side surface are fitted with each other, characterized in that: a first fastener extending in a horizontal direction is provided on one side wall of the first terminal block, and a second fastener extending in a horizontal direction is provided on one side wall of the second terminal block, and the first fastener and the second fastener are horizontally plugged and connected.

[0006] As a further improvement of the present invention, the first fastener on the side wall of the first terminal block includes an outwardly protruding L-shaped limit hook, and the second fastener on the side wall of the second terminal block includes a first opening slot whose internal size is larger than the opening size. The L-shaped limit hook can be inserted into the first opening slot, and the first terminal block and the second terminal block can move relative to each other along the plane in which the two are in contact for a distance so that a side wall of the L-shaped limit hook can stop on the inner side wall of the first opening slot, thereby preventing the first terminal block and the second terminal block from separating.

[0007] As a further improvement of the present invention, the first fastener also includes an outward protruding lock buckle arranged at intervals with the L-shaped limit hook, and the second fastener also includes a second open slot arranged at intervals with the first open slot, and the outward protruding lock buckle can be inserted into the second open slot to prevent the first terminal block and the second terminal block from moving relative to each other along the plane in which the two are in contact.

[0008] As a further improvement of the utility model, the outer convex lock buckle and the second opening slot can be stopperably connected to prevent the outer convex lock buckle from exiting the second opening slot.

[0009] As a further improvement of the present invention, the convex lock buckle is an L-shaped structure whose opening direction is opposite to the opening direction of the L-shaped limit hook. The internal size of the second opening slot is larger than the opening size (L-shaped structure or T-shaped structure). The side wall of one end of the convex lock buckle facing away from the L-shaped limit hook contacts the opening side wall of the second opening slot through an inclined chamfered surface. During the process of the convex lock buckle being inserted into the second opening slot under the action of external force, it is guided by the chamfered surface to force the first terminal block to move relative to the second terminal block toward the opening direction of the L-shaped limit hook.

[0010] As a further improvement of the present invention, the second opening slot includes a groove structure and a stop strip, the groove structure is integrally formed on the side wall of the second terminal block toward the first terminal block, the stop strip is integrally formed and convexly arranged on the side wall of the second terminal block toward the first terminal block, and the stop strip spans across the opening of the groove structure, the side wall of one end of the convex lock buckle facing away from the L-shaped limit hook contacts the stop strip through an inclined chamfered surface, a horizontal step surface is formed on one side wall of the first terminal block, and the stop strip stops on the upper side of the step surface on one side wall of the first terminal block.

[0011] As a further improvement of the present invention, one side wall of the second terminal block is a step structure in which the thickness of one end of the second terminal block along the opening direction of the external convex lock L-shaped structure is greater than the thickness of the other end. The groove structure is integrally formed on the thicker side wall of the second terminal block, and the groove structure also forms a hollow opening on the step surface of the step structure.

[0012] As a further improvement of the present invention, the outer edge of the corner of the L-shaped limit hook is a chamfered structure.

[0013] As a further improvement of the present invention, the inner edge of the end of one side wall of the L-shaped limiting hook is a chamfered structure.

[0014] As a further improvement of the present invention, the first fastener is at least two matching grooves with opening sizes smaller than the internal size arranged at intervals on one side wall of the first terminal block, and the second fastener is at least two splicing columns with end sizes larger than the root size arranged at intervals on one side wall of the second terminal block;

[0015] Alternatively, the first fastener is at least two splicing columns with end sizes larger than root sizes arranged at intervals on one side wall of the first terminal block, and the second fastener is at least two matching grooves with opening sizes smaller than internal sizes arranged at intervals on one side wall of the second terminal block;

[0016] The splicing column can be inserted into the matching groove, and the end of the splicing column is stopped on the inner step surface of the matching groove.

[0017] The beneficial technical effect of the utility model is as follows: the utility model respectively arranges a first fastener and a second fastener on the splicing surfaces of the two terminal blocks. When the two are spliced, it is only necessary to fasten the first fastener and the second fastener together, thus avoiding the use of glue and making the product more environmentally friendly. Moreover, the fastening connection structure makes the combination process of the two terminal blocks simpler, thus realizing the rapid splicing of the two terminal blocks, saving time and materials, and greatly reducing the cost. The two terminal blocks are firmly spliced ​​together, so that the quality of the finished product after splicing is stable, which is conducive to standardized management and control. The first fastener of the utility model adopts an L-shaped limit hook and a convex lock buckle combination structure, and the second fastener adopts two open card slots arranged at intervals. When the first fastener is fastened and connected with the second fastener, the L-shaped limit hook is first hooked with one open card slot to achieve limiting, and then the convex lock buckle is plugged and fastened with the other open card slot to achieve locking of the relative positions of the two terminal blocks, thereby ensuring the stability of the connection between the two terminal blocks. When splicing and assembling, it can be completed by one hook and one push, which is simple and convenient to operate, and greatly improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of a first terminal block in the prior art;

[0019] Figure 2 It is a three-dimensional diagram of a second terminal block in the prior art;

[0020] Figure 3 It is a stereoscopic diagram of the splicing state of the first terminal block and the second terminal block in the prior art;

[0021] Figure 4 This is a three-dimensional diagram of the first structure of the first terminal block of the utility model;

[0022] Figure 5 This is a three-dimensional diagram of the first structure of the second terminal block of the utility model;

[0023] Figure 6 A three-dimensional diagram of the splicing state of the first terminal block and the second terminal block of the utility model using the first structure;

[0024] Figure 7 This is a three-dimensional diagram of the second structure of the first terminal block of the utility model;

[0025] Figure 8 It is a three-dimensional diagram of the second structure of the second terminal block of the utility model;

[0026] Fig. 9 This is a three-dimensional diagram of the splicing state of the first terminal block and the second terminal block of the utility model using the second structure. DETAILED DESCRIPTION

[0027] Embodiment: An anti-drop terminal block structure includes a first terminal block 1 and a second terminal block 2, wherein the terminal block welding leg extends in a downward direction, and a side wall of the first terminal block 1 perpendicular to the lower side surface and a side wall of the second terminal block 2 perpendicular to the lower side surface fit together, and is characterized in that a first fastener extending in a horizontal direction is provided on one side wall of the first terminal block 1, and a second fastener extending in a horizontal direction is provided on one side wall of the second terminal block 2, and the first fastener and the second fastener are horizontally plugged in and connected.

[0028] The first terminal block 1 and the second terminal block 2 are fastened together by the first fastener and the second fastener, thereby avoiding the use of glue and making the product more environmentally friendly. The fastening connection structure makes the combination process of the two terminal blocks simpler and the assembly more convenient, thereby realizing the rapid splicing of the two terminal blocks, saving time and materials, and the connection is firm and stable. The first terminal block 1 and the second terminal block 2 are not easy to separate during use.

[0029] The first fastener on the side wall of the first terminal block 1 includes an outwardly protruding L-shaped limit hook 11, and the second fastener on the side wall of the second terminal block 2 includes a first open slot 21 with an internal size larger than the opening size. The L-shaped limit hook 11 can be inserted into the first open slot 21, and the first terminal block 1 and the second terminal block 2 can move relative to each other along the plane where the two are attached for a distance so that the side wall of the L-shaped limit hook 11 can be stopped on the inner side wall of the first open slot 21, thereby preventing the first terminal block 1 and the second terminal block 2 from separating. During assembly, the L-shaped limit hook 11 is first inserted into the first open slot 21 in an inclined state, and then the first terminal block 1 is rotated so that the side wall of the first terminal block 1 gradually sticks to the side wall of the second terminal block 2, and the side wall of the L-shaped limit hook 11 will hook the inner side wall of the first open slot 21.

[0030] The first fastener also includes an outer convex lock buckle 12 arranged at intervals with the L-shaped limit hook 11, and the second fastener also includes a second open slot 22 arranged at intervals with the first open slot 21. The outer convex lock buckle 12 can be inserted into the second open slot 22 to prevent the first terminal block 1 and the second terminal block 2 from moving relative to each other along the plane where the two are attached. When the L-shaped limit hook 11 is inserted into the first open slot 21, the L-shaped limit hook 11 hooks the inner side wall of an open slot, and then the outer convex lock buckle 12 is inserted and fixed with the second open slot 22 to limit the hook position of the L-shaped limit hook 11, ensuring that the L-shaped limit hook 11 is hooked to the inner side of the first open slot 21, and is in a hooked stable position state unchanged, thereby achieving a stable connection between the first terminal block 1 and the second terminal block 2.

[0031] The outer convex lock buckle 12 and the second opening slot 22 can be connected in a stop manner to prevent the outer convex lock buckle 12 from exiting the second opening slot 22. The outer convex lock buckle 12 and the second opening slot 22 can be stopped and positioned by interference fit, or can be fixed and positioned by buckle buckle connection.

[0032] The outer convex lock buckle 12 is an L-shaped structure whose opening direction is opposite to the opening direction of the L-shaped limit hook 11. The inner dimension of the second opening slot 22 is larger than the opening dimension (L-shaped structure or T-shaped structure). The side wall of the outer convex lock buckle 12 facing away from the L-shaped limit hook 11 contacts the opening side wall of the second opening slot 22 through an inclined chamfered surface (121). When the outer convex lock buckle 12 is inserted into the second opening slot 22 under the action of an external force, the first terminal block 1 is guided by the chamfered surface to move relative to the second terminal block 2 toward the opening direction of the L-shaped limit hook 11. The outer convex lock buckle 12 adopts an L-shaped structure, and its opening direction is opposite to the opening direction of the L-shaped limit hook 11. In this way, when the outer convex lock buckle is inserted into the second opening slot 22, the L-shaped limit hook 11 is automatically positioned at a position to hook the side wall of the first opening slot 21, thereby realizing the locking and positioning of the connection between the first terminal block 1 and the second terminal block 2, and ensuring that the first terminal block 1 and the second terminal block 2 are firmly and stably connected.

[0033] The second opening slot 22 includes a groove structure 221 and a stop bar 222. The groove structure 221 is integrally formed on the side wall of the second terminal block 2 facing the first terminal block 1. The stop bar 222 is integrally formed and convexly arranged on the side wall of the second terminal block 2 facing the first terminal block 1, and the stop bar 222 spans the opening of the groove structure 221. The side wall of the outer convex lock buckle 12 facing away from the L-shaped limit hook 11 contacts the stop bar 222 through an inclined chamfered surface. A horizontal step surface is formed on one side wall of the first terminal block 1, and the stop bar 222 stops on the upper side of the step surface on one side wall of the first terminal block 1. This structure can realize the function of the outer convex lock buckle 12 and the second opening slot 22 being engaged and connected, and can also realize the blocking and limiting of the first terminal block 1 on the upper side, thereby improving the connection stability between the first terminal block 1 and the second terminal block 2.

[0034] The side wall of the second terminal block 2 is a step structure in which the thickness of one end of the second terminal block 2 along the opening direction of the L-shaped structure of the convex lock buckle 12 is greater than the thickness of the other end. The groove structure 221 is integrally formed on the thicker side wall of the second terminal block 2, and the groove structure 221 also forms a hollow opening 223 on the step surface of the step structure. The hollow opening 223 is formed on the step surface of the second terminal block 2, and can be directly opposite to the side wall of the L-shaped structure of the convex lock buckle 12 on the first terminal block 1. When the first terminal block 1 needs to be disassembled, the convex lock buckle 12 can be pressed down through the hollow opening 223 with a tool for disassembly.

[0035] The outer edge of the corner of the L-shaped limit hook 11 is a chamfered structure. When a side wall of the L-shaped limit hook 11 is inserted into the first opening slot 21, the chamfered structure plays a guiding role to prevent the outer corner of the L-shaped limit hook 11 from interfering with the upper side wall of the first opening slot 21.

[0036] The inner edge of the end of one side wall of the L-shaped limit hook 11 is a chamfered structure. When the first terminal block 1 and the second terminal block 2 are spliced, the side wall of the L-shaped limit hook 11 is first inserted into the first opening slot 21 in an inclined state, and the chamfered structure contacts the first opening slot 21 to achieve a guiding effect, so that the side wall of the L-shaped limit hook 11 is smoothly inserted into the first opening slot 21; when the first terminal block 1 and the second terminal block 2 need to be separated, when the L-shaped limit hook 11 is withdrawn from the first opening slot 21, the chamfered structure contacts the first opening slot 21 to ensure smooth withdrawal and avoid interference.

[0037] The first fastener is at least two matching grooves 13 with opening sizes smaller than the internal size arranged at intervals on one side wall of the first terminal block 1, and the second fastener is at least two splicing columns 23 with end sizes larger than the root size arranged at intervals on one side wall of the second terminal block 2;

[0038] Alternatively, the first fastener is at least two splicing columns 23 with end sizes larger than root sizes arranged at intervals on one side wall of the first terminal block 1, and the second fastener is at least two matching grooves 13 with opening sizes smaller than internal sizes arranged at intervals on one side wall of the second terminal block 2;

[0039] The splicing column 23 can be inserted into the matching groove 13 , and the end of the splicing column 23 stops on the inner step surface of the matching groove 13 .

[0040] The first terminal block 1 and the second terminal block 2 are plugged and fixedly connected with the splicing column 23 through the matching groove 13 to prevent the first terminal block 1 and the second terminal block 2 from falling off and separating.

Claims

1. An anti-drop terminal block structure, comprising a first terminal block (1) and a second terminal block (2), wherein the terminal block welding legs extend downward, and a side wall of the first terminal block perpendicular to the lower side and a side wall of the second terminal block perpendicular to the lower side are attached to each other, characterized in that: A first fastener extending in the horizontal direction is disposed on one side wall of the first terminal block, and a second fastener extending in the horizontal direction is disposed on one side wall of the second terminal block. The first fastener and the second fastener are horizontally plugged and connected.

2. The anti-drop terminal block structure according to claim 1 is characterized by: The first fastener on one side wall of the first terminal block comprises an outwardly protruding L-shaped limit hook (11), and the second fastener on one side wall of the second terminal block comprises a first opening slot (21) whose internal size is larger than the opening size, the L-shaped limit hook can be inserted into the first opening slot, and the first terminal block and the second terminal block can move relative to each other for a distance along a plane where the two are in contact, so that a side wall of the L-shaped limit hook can be stopped on the inner side wall of the first opening slot, thereby preventing the first terminal block and the second terminal block from separating.

3. The anti-drop terminal block structure according to claim 2 is characterized by: The first fastener also includes an outer convex lock buckle (12) arranged at intervals with the L-shaped limit hook, and the second fastener also includes a second open slot (22) arranged at intervals with the first open slot, and the outer convex lock buckle can be inserted into the second open slot to prevent the first terminal block and the second terminal block from moving relative to each other along the plane where the two are in contact.

4. The anti-drop terminal block structure according to claim 3 is characterized by: The outer convex locking buckle and the second opening slot can be stopperably connected to prevent the outer convex locking buckle from exiting the second opening slot.

5. The anti-drop terminal block structure according to claim 4 is characterized by: The outer convex lock buckle is an L-shaped structure with an opening direction opposite to the opening direction of the L-shaped limit hook. The internal size of the second opening slot is larger than the opening size. The side wall of one end of the outer convex lock buckle facing away from the L-shaped limit hook contacts the opening side wall of the second opening slot through an inclined chamfered surface (121). When the outer convex lock buckle is inserted into the second opening slot under the action of an external force, it is guided by the chamfered surface to force the first terminal block to move relative to the second terminal block toward the opening direction of the L-shaped limit hook.

6. The anti-drop terminal block structure according to claim 5 is characterized by: The second opening slot comprises a groove structure (221) and a stop bar (222), wherein the groove structure is integrally formed on a side wall of the second terminal block in a direction facing the first terminal block, the stop bar is integrally formed and convexly arranged on the side wall of the second terminal block in a direction facing the first terminal block, and the stop bar spans across the opening of the groove structure, the side wall of one end of the convex lock buckle facing away from the L-shaped limit hook contacts the stop bar via an inclined chamfered surface, a horizontal step surface is formed on one side wall of the first terminal block, and the stop bar stops on the upper side of the step surface on one side wall of the first terminal block.

7. The anti-drop terminal block structure according to claim 6 is characterized by: The side wall of the second terminal block is a step structure in which the thickness of one end of the second terminal block along the opening direction of the external convex lock L-shaped structure is greater than the thickness of the other end. The groove structure is integrally formed on the thicker side wall of the second terminal block, and the groove structure also forms a hollow opening (223) on the step surface of the step structure.

8. The anti-drop terminal block structure according to claim 2 is characterized by: The outer edge of the corner of the L-shaped limiting hook is a chamfered structure.

9. The anti-drop terminal block structure according to claim 2 is characterized by: The inner edge of the end of one side wall of the L-shaped limiting hook is a chamfered structure.

10. The anti-drop terminal block structure according to claim 1, characterized in that: The first fastener is at least two matching grooves (13) spaced apart on one side wall of the first terminal block and having an opening size smaller than the internal size, and the second fastener is at least two splicing columns (23) spaced apart on one side wall of the second terminal block and having an end size larger than the root size; Alternatively, the first fastener is at least two splicing columns with end sizes larger than root sizes arranged at intervals on one side wall of the first terminal block, and the second fastener is at least two matching grooves with opening sizes smaller than internal sizes arranged at intervals on one side wall of the second terminal block; The splicing column can be inserted into the matching groove, and the end of the splicing column is stopped on the inner step surface of the matching groove.

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