CN205282671U - Binding post box - Google Patents

Abstract

A terminal box belongs to the technical field of low-voltage electrical appliances. It includes a shell, a terminal block and a terminal head. The terminal block and the terminal head are respectively installed on the inside and outside of the shell. There is a cavity on the inner side of the shell on one side of the terminal block, and a limit strip is respectively arranged on both sides of the length direction of the opening in the cavity, and an elastic mounting bar is respectively arranged on both sides of the width direction of the opening in the cavity. part, the terminal block is installed in the cavity and fixed around it by the limit strip and the elastic mounting part, and the terminal head is docked with the terminal block from the outside through the opening on the shell to realize the signal is drawn from the inside Through-wall installation to the outside. The output of the signal is more convenient; the assembly is simple, the wiring is reliable and firm, which reduces the workload of workers and greatly reduces the cost of product development.

Description

A terminal box

technical field

The utility model belongs to the technical field of low-voltage electrical appliances, in particular to a terminal box.

Background technique

Most of the switches on the market have a lot of output signals, so the internal signal lines need to be connected to the outside through one or more terminals. However, at present, most of the switches output the internal signals by welding the signal lines on the electronic circuit board, or plugging the terminals into the socket of the electronic circuit board, and then fixing the electronic circuit board. Installed in a casing, and finally lead out to the outside of the switch through another pair of terminals. This mode of operation not only increases the workload of workers, but also increases the cost of product development accordingly.

In view of the above prior art, it is necessary to reasonably improve the installation structure of the existing terminal block. For this reason, the applicant has made a beneficial design, and the technical solution to be introduced below is produced under this background.

Contents of the invention

The task of the utility model is to provide a terminal box with convenient installation, simple wiring and firmness, which is beneficial to improve the installation structure of the terminal so as to reduce the workload of workers and reduce the development cost of products.

The task of the utility model is accomplished in this way. A terminal box includes a shell, a terminal block and a terminal head. The terminal block and the terminal head are respectively installed on the inner and outer sides of the shell. The shell has an opening on the shell surface facing the terminal head side in the use state, and a cavity is provided on the inside of the shell facing the terminal seat side, and the two sides of the length direction of the opening are respectively arranged in the cavity. There is a limit bar, and an elastic mounting part is respectively provided on both sides of the opening in the cavity along the width direction. The terminal block is installed in the cavity and fixed around it by the limit bar and the elastic mounting part. The connecting terminal head is docked with the terminal block from the outside through the opening on the shell, so as to realize the through-wall installation that leads the signal from the inside to the outside.

In a specific embodiment of the present utility model, the two ends of the terminal block in the length direction are respectively provided with lugs, and screw holes for the terminal block are opened on the lugs; the terminal head Screw holes for terminal heads are provided at both ends in the length direction, and the screw holes for the terminal head and the screw holes for the terminal base are connected by screws to realize the fixing of the terminal base and the terminal head.

In another specific embodiment of the present utility model, the elastic mounting part is a frame structure, and a limit stop is arranged on the upper side of the middle part of the frame structure, and the limit stop is against the connecting terminal. on the lugs of the seat.

In yet another specific embodiment of the present utility model, the limiting strips respectively abut against the terminal blocks, wherein: the limiting strip located below is provided with a first buckle on the outside, and the first The buckle fixes the terminal block from the rear end, and the upper limit bar is provided with a second buckle on the inner side facing downward, and the second buckle fixes the terminal block from the front end, thereby preventing the terminal head from Comes off the housing when mated with the terminal block.

In yet another specific embodiment of the utility model, the housing, the terminal block and the terminal head installed in the housing are fixedly installed on the switchgear through the housing, so that products of various specifications can be used in common use.

Due to the adoption of the above-mentioned structure, the utility model has the following beneficial effects: firstly, because the connection between the terminal base and the terminal head is connected through the wall, the steps of external connection of the signal line are reduced, and the output of the signal is more convenient; secondly , due to the simple and quick installation structure adopted, the assembly process of the junction box is simple, the wiring is reliable and firm, and the workload of workers is reduced, so that the cost of product development is also greatly reduced.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of an embodiment of the utility model.

Fig. 2 is a three-dimensional exploded view of the housing, the connecting terminal, the connecting terminal seat and the cover of the utility model.

Fig. 3 is a three-dimensional structure diagram of the housing described in the present invention.

Fig. 4 is a plane sectional view of the housing described in the present invention.

Fig. 5 is a side view of the terminal block of the present invention.

Fig. 6 is a schematic diagram of the installation of the housing and the terminal block of the present invention.

Fig. 7 is a structural schematic diagram of the casing described in the present invention.

In the figure: 1. Shell, 11. Cavity, 12. Opening, 121. Limiting bar, 1211. First buckle, 1212. Second buckle, 122. Elastic mounting part, 1221. Limiting block; 2. Terminal block, 21. Lug, 211. Screw hole of terminal block, 22. First mounting surface, 23. Second mounting surface, 231. Terminal block buckle; 3. Terminal head, 31 Screw hole of terminal head; 4 .Case, 41. Shell cavity, 42. Clip feet; 5. Mounting hole.

detailed description

The applicant will describe in detail the specific implementation of the present invention below in conjunction with the accompanying drawings, but the applicant's description of the embodiments is not a restriction on the technical solution, and any changes based on the concept of the present invention in form rather than in substance should be regarded as Protection scope of the present utility model.

Please refer to FIG. 1 to FIG. 7 , the utility model relates to a terminal box, which includes a shell 1 , a terminal base 2 , a terminal head 3 and a cover 4 . The terminal block 2 and the terminal head 3 are respectively installed on the inner and outer sides of the casing 1, and the casing 1 with the terminal block 2 installed is set in the shell cavity 41 of the casing 4, and is fixed to the casing by screws. The cover 4 is installed on the switchgear together, and the cover 4 is fixed on the switchgear to realize the common use of products of various specifications. The shell 1 has an opening 12 on the shell surface facing the terminal head 3 side in the use state, and a cavity 11 is provided on the inside of the shell facing the terminal block 2 side, inside the cavity 11 along the The two sides of the length direction of the opening 12 are respectively provided with a limit strip 121, and the two sides of the width direction of the opening 12 are respectively provided with a elastic mounting part 122 in the cavity 11, and the terminal block 2 is installed in the cavity 11. The inner and outer sides are fixed by the limit bar 121 and the elastic mounting part 122. The terminal head 3 is docked with the terminal block 2 from the outside through the opening 12 on the shell 1, so as to realize the wall-penetration that leads the signal from the inside to the outside. type installation. The two ends of the terminal block 2 in the length direction are respectively provided with lugs 21, and the terminal block screw holes 211 are opened on the lugs 21; the two ends of the connection terminal head 3 in the length direction are respectively A terminal head screw hole 31 is opened, and the terminal head screw hole 31 and the terminal base screw hole 211 are connected by screws to realize the fixing of the terminal block 2 and the terminal head 3 .

Please continue to refer to Fig. 3 to Fig. 6, the elastic mounting part 122 described in the present invention is a frame structure, and a limit stop 1221 is arranged on the upper side of the middle part of the frame structure, and the limit stop 1221 leans against On the lug 21 of the terminal block 2. The limiting strips 121 respectively lean against the terminal block 2, wherein: the limiting strip 121 located below is provided with a first buckle 1211 on the outside, and the first buckle 1211 is reversed from the rear end on the On the first mounting surface 22 of the terminal block 2, the upper limit bar 121 is provided with a second buckle 1212 on the inner side facing downwards, and the second buckle 1212 abuts against the terminal block from the front end. 2 on the second installation surface 23, and the second buckle 1212 and the terminal seat buckle 231 on the second installation surface 23 are fixed together to prevent the terminal head 3 from falling off from the shell 1 when it is docked with the terminal base 2 .

Please continue to refer to Fig. 1 and Fig. 7. After the housing 1, the terminal base 2 and the terminal head 3 of the utility model are installed, the housing 1 is embedded in the shell cavity 41 of the housing 4, and the assembly is completed. The cover 4 is installed on the switchgear. When installing, first push the cover 4 into the installation area, snap the clips 42 on the cover 4 into the mounting holes 5 on the bottom plate, and then use screws to pass through the cover 1 in turn. 1. The casing 4 is connected with the switchgear, and the installation of the casing 1, the terminal block 2, the terminal head 3 and the casing 4 is completed; when dismantling, remove the screws and lift the casing 4, and then pull it out.

Claims (5)

1. A terminal box, comprising a shell (1), a terminal block (2) and a terminal head (3), characterized in that the terminal block (2), the terminal head (3 ) are respectively installed on the inner and outer sides of the housing (1), and the housing (1) has an opening (12) on the housing surface facing the terminal head (3) in the use state, and facing the terminal block (2) ) has a cavity (11) inside the shell on one side, and a limit strip (121) is respectively arranged on both sides of the length direction of the opening (12) in the cavity (11), and in the cavity (11) There are elastic mounting parts (122) respectively arranged on both sides along the width direction of the opening (12), and the terminal block (2) is installed in the cavity (11) and is surrounded by limit strips (121), The elastic mounting part (122) is matched and fixed, and the terminal head (3) is docked with the terminal block (2) from the outside through the opening (12) on the casing (1), so as to realize the penetration of the signal from the inside to the outside. Wall mount. 2. A terminal box according to claim 1, characterized in that the terminal block (2) has lugs (21) at both ends of the length direction, and the lugs (21) ) is provided with terminal screw holes (211); the two ends of the terminal head (3) in the length direction are respectively provided with terminal head screw holes (31), and the terminal head screw holes (31) are connected to the The terminal base (2) and the terminal head (3) are fixed by screw connection between the screw holes (211) of the terminal base described above. 3. A terminal box according to claim 2, characterized in that the elastic mounting part (122) is a frame-shaped structure, and a limit stop (1221) is arranged on the upper side of the middle part of the frame-shaped structure, The limit stopper (1221) abuts against the lug (21) of the terminal block (2). 4. A terminal box according to claim 1, characterized in that the limiting strips (121) respectively abut against the terminal block (2), wherein: the limiting strips (121) located below A first buckle (1211) is provided on the outside, and the first buckle (1211) fixes the terminal block (2) from the rear end, and the upper limit strip (121) is set on the inner side facing downward There is a second buckle (1212), and the second buckle (1212) fixes the terminal block (2) from the front end, thereby preventing the terminal head (3) from falling out of the housing ( 1) Fall off. 5. A terminal box according to claim 1, characterized in that the housing (1), the terminal block (2) and the terminal head (3) installed in the housing (1) pass through the housing (4) It is fixedly installed on the switchgear to realize the common use of products of various specifications .