A dovetail splicing structure for a terminal

Abstract

A dovetail splicing structure for a terminal block, comprising a terminal block, a male dovetail joint groove and a female dovetail joint groove. The male dovetail joint groove is located on one end face of the terminal block, and the female dovetail joint groove is located on the other end face of the terminal block. Moreover, the widths of the male dovetail joint groove and the female dovetail joint groove are the same as the width of the end face of the terminal block. On both sides of the bottom of the outer end of the male dovetail joint groove, protruding dovetail tenons are symmetrically arranged on both sides of the central axis of the outer end of the male dovetail joint groove, and protruding splicing bumps are symmetrically arranged on the upper parts of both sides of the outer end of the male dovetail joint groove. On both sides of the bottom of the outer end of the female dovetail joint groove, dovetail tenon grooves are symmetrically arranged on both sides of the central axis of the outer end of the female dovetail joint groove, and splicing grooves are symmetrically arranged on the upper parts of both sides of the outer end of the female dovetail joint groove. A first clamping block, a second clamping block and a third clamping block perpendicular to the plate surface are successively arranged between the splicing groove and the dovetail tenon groove. The first clamping block, the second clamping block and the third clamping block are trapezoidal blocks, and their vertical heights decrease successively. The dovetail tenon is matched with the dovetail tenon groove, and the splicing bumps are respectively matched with the splicing groove, the first clamping block, the second clamping block and the third clamping block.

Description

Technical Field

[0001] The present invention relates to the field of connectors, and particularly to a dovetail splicing structure for a terminal block. Background Art

[0002] A terminal block is a fitting product used to achieve electrical connection and is classified as a connector in the industry. With the increasing level of industrial automation and the increasingly strict and precise requirements for industrial control, the usage of terminal blocks is gradually increasing. With the development of the electronics industry, the application scope of terminal blocks is becoming wider and wider, and the types are also increasing.

[0003] In the prior art, the production of terminal blocks generally adopts general specifications. For various usage environments and requirements, they often need to be used in combination, and the combined connection between terminal blocks is very inconvenient. Summary of the Invention

[0004] The present invention precisely aims at the deficiencies existing in the prior art and provides a dovetail splicing structure for a terminal block.

[0005] To solve the above problems, the technical solutions adopted by the present invention are as follows:

[0006] A dovetail splicing structure for a terminal block includes a terminal block, a male dovetail connection groove, and a female dovetail connection groove. The male dovetail connection groove is located on one end face of the terminal block, and the female dovetail connection groove is located on the other end face of the terminal block. The widths of the male dovetail connection groove and the female dovetail connection groove are the same as the width of the end face of the terminal block. On both sides of the bottom of the outer end of the male dovetail connection groove, protruding dovetail tenons are symmetrically provided. On both sides of the upper part of the outer end of the male dovetail connection groove, protruding splicing bumps are symmetrically provided. On both sides of the bottom of the outer end of the female dovetail connection groove, dovetail tenon grooves are symmetrically provided. On both sides of the upper part of the outer end of the female dovetail connection groove, splicing grooves are symmetrically provided. Between the splicing grooves and the dovetail tenon grooves, first clamping blocks, second clamping blocks, and third clamping blocks perpendicular to the plate surface are sequentially provided. The first clamping block, the second clamping block, and the third clamping block are trapezoidal blocks, and their vertical heights decrease in sequence. The dovetail tenons cooperate with the dovetail tenon grooves, and the splicing bumps cooperate with the splicing grooves, the first clamping block, the second clamping block, and the third clamping block respectively.

[0007] Further, the spacing of the terminal blocks has four specifications: 16.5 mm, 14 mm, 12 mm, and 9 mm.

[0008] Further, clamping claws are provided at both bottoms of the terminal block, and a guide rail is provided at the bottom of the terminal block. The clamping claws are slidably clamped with the guide rail.

[0009] Further, fixing members with a dovetail splicing structure are provided outside both ends of the terminal block. The fixing members cooperate with the male dovetail connection groove and the female dovetail connection groove at both ends of the terminal block respectively, and a clamping groove is provided in the middle of the outer end of the fixing member.

[0010] Further, the fixing member is an L-shaped plate, and symmetric screw holes are provided at the outer end of the fixing member.

[0011] When the present invention is compared with the prior art, the implementation effects of the present invention are as follows:

[0012] For a dovetail splicing structure of a wiring terminal according to the present invention, through the snap-fit of the dovetail male connection groove and the dovetail female connection groove at both ends of the wiring terminal, the rapid combined connection of multi-specification wiring terminals is realized, and the combination methods are diverse. The two wiring terminals can be combined and connected in the up-and-down, left-and-right, and front-and-back manners. The connection between the wiring terminals is firm, the number of wiring terminals is increased, the use range and application scenarios of the wiring terminals are expanded. At the same time, through the cooperation with the fixing member, the requirements for the wiring terminals with the functions of snap-through-wall or screw-locked panel are realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of a dovetail splicing structure of a wiring terminal according to the present invention;

[0014] Figure 2 is a schematic structural diagram of Embodiment 1;

[0015] Figure 3 is a schematic structural diagram of Embodiment 2;

[0016] Figure 4 is a schematic structural diagram of Embodiment 3;

[0017] Figure 5 is a schematic structural diagram of Embodiment 4;

[0018] Figure 6 is a schematic structural diagram of Embodiment 5;

[0019] Figure 7 is a schematic structural diagram of Embodiment 6;

[0020] Figure 8 is a schematic structural diagram of Embodiment 7;

[0021] Figure 9 is a schematic structural diagram of Embodiment 8;

[0022] Figure 10 is a schematic structural diagram of Embodiment 9;

[0023] Figure 11 is a schematic structural diagram of Embodiment 10. DETAILED DESCRIPTION OF THE INVENTION

[0024] The following will describe the content of the present invention in conjunction with specific embodiments.

[0025] Such as Figure 1Shown is a dovetail splicing structure of a terminal according to the present invention, including a terminal 1, a male dovetail joint groove 2 and a female dovetail joint groove 3. The male dovetail joint groove 2 is located on one side end face of the terminal 1, and the female dovetail joint groove 3 is located on the other side end face of the terminal 1. Moreover, the widths of the male dovetail joint groove 2 and the female dovetail joint groove 3 are the same as the width of the end face of the terminal 1. On both sides of the bottom of the outer end of the male dovetail joint groove 2, protruding dovetail tenons 4 are symmetrically provided. On both sides of the upper part of the outer end of the male dovetail joint groove 2, protruding splicing bumps 5 are symmetrically provided. On both sides of the bottom of the outer end of the female dovetail joint groove 3, dovetail slots 6 are symmetrically provided. On both sides of the upper part of the outer end of the female dovetail joint groove 3, splicing grooves 7 are symmetrically provided. Between the splicing groove 7 and the dovetail slot 6, a first clamping block 8, a second clamping block 9 and a third clamping block 10 perpendicular to the plate surface are successively provided. The first clamping block 8, the second clamping block 9 and the third clamping block 10 are trapezoidal blocks, and their vertical heights decrease successively. The dovetail tenon 4 cooperates with the dovetail slot 6, and the splicing bump 5 cooperates with the splicing groove 7, the first clamping block 8, the second clamping block 9 and the third clamping block 10 respectively. The spacing of the terminals 1 has four specifications of 16.5 mm, 14 mm, 12 mm and 9 mm.

[0026] As Figure 2 shown in the structural schematic diagram of Embodiment 1 and Figure 3 the structural schematic diagram of Embodiment 2, the spacing specifications of the two terminals 1 are both 16.5 mm. The dovetail tenon 4 and the splicing bump 5 of the male dovetail joint groove 2 cooperate with the dovetail slot 6 and the splicing groove 7 of the female dovetail joint groove 3 respectively, realizing the lengthening of the number of wires of the terminal 1. Claws 11 are provided at the bottom of both sides of the terminal 1, and a guide rail 12 is provided at the bottom of the terminal 1. The claws 11 are slidably clamped with the guide rail 12. By the sliding clamping of the claws 11 at the bottom of both sides of the terminal 1 with the guide rail 12 at the bottom of the terminal 1, while the number of wires of the terminal 1 is lengthened, it can be integrally installed on the guide rail 12.

[0027] As Figure 4 shown in the structural schematic diagram of Embodiment 3 and Figure 5 the structural schematic diagram of Embodiment 4, the spacing specifications of the two terminals 1 are 16.5 mm and 14 mm respectively. The dovetail tenon 4 and the splicing bump 5 of the male dovetail joint groove 2 cooperate with the dovetail slot 6 and the first clamping block 8 of the female dovetail joint groove 3 respectively, realizing the lengthening of the number of wires of the terminal 1. Claws 11 are provided at the bottom of both sides of the terminal 1, and a guide rail 12 is provided at the bottom of the terminal 1. The claws 11 are slidably clamped with the guide rail 12. By the sliding clamping of the claws 11 at the bottom of both sides of the terminal 1 with the guide rail 12 at the bottom of the terminal 1, while the number of wires of the terminal 1 is lengthened, it can be integrally installed on the guide rail 12.

[0028] As Figure 6 shown in the structural schematic diagram of Embodiment 5 and Figure 7As shown in the schematic diagram of the structure of the sixth embodiment, the spacing specifications of the two wiring terminals 1 are 16.5 mm and 12 mm respectively. The dovetail tenons 4 and splicing bumps 5 of the dovetail male connection groove 2 are respectively matched with the dovetail grooves 6 and the second clamping blocks 9 of the dovetail female connection groove 3, realizing the extension of the number of wires of the wiring terminal 1. Claw 11 is provided at the bottom of both sides of the wiring terminal 1, and a guide rail 12 is provided at the bottom of the wiring terminal 1. The claw 11 is slidably clamped with the guide rail 12. By slidably clamping the claw 11 at the bottom of both sides of the wiring terminal 1 with the guide rail 12 at the bottom of the wiring terminal 1, while the number of wires of the wiring terminal 1 is extended, it can be integrally installed on the guide rail 12.

[0029] As Figure 8 shown in the schematic diagram of the structure of the seventh embodiment and Figure 9 the schematic diagram of the structure of the eighth embodiment, the spacing specifications of the two wiring terminals 1 are 16.5 mm and 9 mm respectively. The dovetail tenons 4 and splicing bumps 5 of the dovetail male connection groove 2 are respectively matched with the dovetail grooves 6 and the third clamping blocks 10 of the dovetail female connection groove 3, realizing the extension of the number of wires of the wiring terminal 1. Claw 11 is provided at the bottom of both sides of the wiring terminal 1, and a guide rail 12 is provided at the bottom of the wiring terminal 1. The claw 11 is slidably clamped with the guide rail 12. By slidably clamping the claw 11 at the bottom of both sides of the wiring terminal 1 with the guide rail 12 at the bottom of the wiring terminal 1, while the number of wires of the wiring terminal 1 is extended, it can be integrally installed on the guide rail 12.

[0030] As Figure 10 shown in the schematic diagram of the structure of the ninth embodiment and Figure 11 the schematic diagram of the structure of the tenth embodiment, fixing members 13 with a dovetail splicing structure are provided outside both ends of the wiring terminal 1. The fixing members 13 are respectively matched with the dovetail male connection grooves 2 and the dovetail female connection grooves 3 at both ends of the wiring terminal 1, and a clamping groove 14 is provided in the middle of the outer end of the fixing member 13. The fixing member 13 is an L-shaped plate, and symmetric lock screw holes 15 are provided at the outer end of the fixing member 13. Both ends of the wiring terminal 1 are respectively matched with the fixing members 13 with a dovetail splicing structure. The clamping groove 14 at the outer end of the fixing member 13 clamps the opening groove of the casing 16, so that the wiring terminal 1 is firmly clamped to the casing 16, realizing the through-wall function of the limit terminal. Both ends of the wiring terminal 1 are respectively matched with the L-shaped fixing members 13 with a dovetail splicing structure. Lock screw holes 15 are provided on the fixing member 13, and the lock screw holes 15 are screwed and fastened with the panel 17 to form an integral wiring terminal 1 with the function of locking and screwing the panel 17.

[0031] In summary, for the dovetail splicing structure of the terminal block described above, through the clamping fit between the dovetail male connection grooves 2 and the dovetail female connection grooves 3 at both ends of the terminal block 1, the quick combined connection of multi-specification terminal blocks 1 is realized, and the combination methods are diverse. The two terminal blocks 1 can be combined and connected in the up-and-down, left-and-right, and front-and-back manners. The connection between the terminal blocks 1 is firm, increasing the number of terminal blocks 1, expanding the usage range and application scenarios of the terminal blocks 1. At the same time, through the cooperation with the fixing member 13, the demand for the terminal block 1 with the function of clamping through the wall or locking the screw to fix the panel 17 is realized.

[0032] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dovetail splicing structure for a terminal block, characterized in that: It includes a terminal, a male dovetail joint groove and a female dovetail joint groove. The male dovetail joint groove is located on one end face of the terminal, and the female dovetail joint groove is located on the other end face of the terminal. Moreover, the widths of the male dovetail joint groove and the female dovetail joint groove are the same as the width of the end face of the terminal. On both sides of the bottom of the outer end of the male dovetail joint groove, protruding dovetail tenons are symmetrically arranged. On both sides of the upper part of the outer end of the male dovetail joint groove, protruding splicing bumps are symmetrically arranged. On both sides of the bottom of the outer end of the female dovetail joint groove, dovetail tenon grooves are symmetrically arranged. On both sides of the upper part of the outer end of the female dovetail joint groove, splicing grooves are symmetrically arranged. Between the splicing groove and the dovetail tenon groove, a first clamping block, a second clamping block and a third clamping block perpendicular to the plate surface are sequentially arranged. The first clamping block, the second clamping block and the third clamping block are trapezoidal blocks, and their vertical heights decrease in sequence. The dovetail tenon is matched with the dovetail tenon groove, and the splicing bumps are respectively matched with the splicing groove, the first clamping block, the second clamping block and the third clamping block; Fixing parts with a dovetail splicing structure are arranged outside both ends of the terminal. The fixing parts are respectively matched with the male dovetail joint groove and the female dovetail joint groove at both ends of the terminal. A clamping groove is arranged in the middle of the outer end of the fixing part. The fixing part is an L-shaped plate, and symmetric lock screw holes are arranged at the outer end of the fixing part. Both ends of the terminal are respectively matched with the fixing parts with a dovetail splicing structure, and the clamping groove at the outer end of the fixing part clamps the opening groove of the chassis shell, so that the terminal is firmly clamped to the chassis.

2. The dovetail splicing structure of a wiring terminal according to claim 1, characterized in that, There are four specifications for the spacing of the terminals, which are 16.5mm, 14mm, 12mm and 9mm.

3. The dovetail splicing structure of a wiring terminal according to claim 1, characterized in that, Claws are arranged at the bottom of both sides of the terminal, and a guide rail is arranged at the bottom of the terminal. The claws are slidably clamped with the guide rail.

Images