CN215732274U

CN215732274U - Terminal, terminal board and access power supply assembly

Info

Publication number: CN215732274U
Application number: CN202120788589.1U
Authority: CN
Inventors: 岑瑶; 贾鸿本
Original assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Current assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2022-02-01
Anticipated expiration: 2031-04-16

Abstract

The utility model provides a terminal, a terminal board and an access power supply assembly, and relates to the field of power supply access devices. The terminal comprises a U-shaped main body, at least one arm of the main body is provided with a hanging lug, and the hanging lug extends downwards or in a direction far away from the other arm of the main body; the terminal board comprises a board body, wherein the board body is provided with at least one access groove, and the side direction of the access groove extends to the side wall of the board body and forms an opening; at least one of the left side wall or the right side wall of the access groove is provided with a clamping groove which penetrates through the upper surface of the plate body and is used for being correspondingly clamped with the hanging lug extending downwards; or the bottom of the access groove is provided with at least one limiting groove which is used for correspondingly clamping with the hanging lug extending downwards. The hanging lug of the terminal can be clamped with the clamping groove or the limiting groove of the terminal board, so that the dislocation of the terminal can be limited, and the mounting firmness of the terminal and the reliability of power supply access are ensured; when the terminal is disassembled and assembled, the screw does not need to be completely unscrewed, and the terminal only needs to be screwed to a certain height, so that the convenience is high.

Description

Terminal, terminal board and access power supply assembly

Technical Field

The utility model relates to the technical field of power supply access devices, in particular to a terminal, a terminal board and an access power supply assembly.

Background

In the prior art, a terminal 100' and a terminal board 200' are commonly used for an air conditioner to connect a wire to a power supply, wherein the terminal board 200' includes a board body 210', an access slot 220' is opened on the board body 210', and the terminal 100' is fixed in the access slot 220' by a screw 300 '.

As shown in fig. 1-4, the terminal 100' includes both O-shaped and U-shaped configurations. As shown in fig. 1 and 2, the O-shaped terminal 100' is not easily dislocated and has high reliability; however, the mounting and dismounting are inconvenient: during installation, the screws 300 'on the terminal board 200' need to be completely screwed out, the terminal is threaded onto the screws 300, and then the screws 300 'are screwed into the terminal board 200' again; when disassembling, it is also necessary to unscrew all the screws 300 'of the terminal plate 200' to remove the terminal 100 'from the screws 300'. However, the U-shaped terminal 100 'is easy to mount and dismount as shown in fig. 3 and 4, but is easily dislocated when the screw 300' is loosened, resulting in low reliability.

In conclusion, the terminal in the prior art cannot give consideration to both reliability and convenience in disassembly and assembly.

SUMMERY OF THE UTILITY MODEL

The first purpose of the present invention is to provide a terminal to solve the technical problem that the terminal in the prior art cannot give consideration to both reliability and convenience of assembly and disassembly.

The terminal provided by the utility model comprises a U-shaped main body, wherein at least one arm of the main body is provided with a hanging lug, and the hanging lug extends downwards or in a direction far away from the other arm of the main body.

The terminal provided by the utility model can produce the following beneficial effects:

according to the terminal provided by the utility model, at least one arm of the main body is provided with the hanging lug, wherein if the hanging lug extends downwards, the hanging lug can be clamped with limiting structures such as limiting grooves on a terminal board; if the hanging lug extends towards the direction far away from the other arm of the main body, the hanging lug can be clamped with limiting structures such as limiting bulges on the terminal board, so that after the terminal is connected with a power supply, the terminal is not easy to move towards the direction far away from the opening of the main body to be dislocated, and the reliability is high; when the terminal is disassembled or installed, the terminal is similar to a common U-shaped terminal, the screw does not need to be completely unscrewed, the screw only needs to be unscrewed to a certain height, the terminal can be inserted between the screw cap of the screw and the terminal board, and the disassembling and assembling convenience is high.

Further, the both ends of main part all are provided with the hangers, and two the hangers all is to keeping away from the direction of the other end of main part extends.

In the technical scheme, the two hangers limit the terminals from two sides of the main body, so that the mounting reliability of the terminals is ensured.

A second object of the present invention is to provide a terminal block to solve the technical problem of the prior art that the terminal cannot be assembled and disassembled with reliability and convenience.

The terminal board comprises a board body, wherein the board body is provided with at least one access groove, and the side direction of the access groove extends to the side wall of the board body and forms an opening;

at least one of the left side wall or the right side wall of the access groove is provided with a clamping groove which penetrates through the upper surface of the plate body and is used for being correspondingly clamped with the downwardly extending hanging lug; or at least one limiting groove is formed in the bottom of the access groove and used for being correspondingly clamped with the laterally extending hangers.

The terminal board provided by the embodiment can produce the following beneficial effects:

in the terminal board provided by the embodiment, if the left side wall and the right side wall of the access slot are provided with the clamping slots, and the clamping slots penetrate through the upper surface of the board body, the terminal extending from the hanging lug to the direction away from the other arm of the main body can be installed on the terminal board; if the groove bottom of the access groove is provided with a limiting groove, the terminal with the downward extending hanging lug can be arranged on the terminal board. Namely, the terminal board can be clamped with the terminal provided with the hanging lug, so that the dislocation of the terminal is limited, and the reliability of the lead connected into a power supply is improved. When the terminal is disassembled, firstly, the screw is unscrewed, then the hanging lug is separated from the clamping groove or the limiting groove, and the terminal is pulled in the direction away from the opening of the terminal main body, so that the terminal can be disassembled; when the terminal is installed, the screw is firstly unscrewed, then the terminal is inserted between the screw cap of the screw and the terminal board, after the terminal is inserted in place, the hanging lug is inserted into the clamping groove or the limiting groove, and then the screw is screwed down, so that the terminal is very convenient and fast.

Further, the access slot is far away from the open end, and the clamping groove is formed in the left side wall and the right side wall of the access slot.

Among this technical scheme, the draw-in groove has all been seted up to the left side wall and the right side wall of access groove, so can install the terminal that the hangers side direction extends, and no matter be the terminal that is provided with a hangers, still be provided with the terminal of two hangers, can both install in this terminal block, the application scope of this terminal block is wide.

Furthermore, the plate body is provided with a plurality of access grooves, and the minimum thickness of the partition plate between every two adjacent access grooves is not less than the minimum solid insulation thickness.

Further, the thickness of the partition between two adjacent access grooves is larger than or equal to 1.8 mm.

Furthermore, the side wall of the clamping groove is provided with a step, and the hanging lug can be attached to the upper surface of the step and move towards the direction close to or far away from the opening.

Under the technical scheme, when the terminal is disassembled, the upward screwing height of the screw is only required to be greater than the height of the step, so that the terminal can be lifted upwards to enable the hanging lug of the terminal to be separated from the clamping groove, and meanwhile, the terminal reaches the upper part of the step and can be pulled out towards the side opening direction of the access groove; when the terminal is installed, the screw is screwed until the screw cap of the screw is higher than the upper surface of the step by a certain distance, the distance is larger than or equal to the thickness of the terminal, the hanging lug can be inserted between the upper surface of the step and the screw cap along the upper surface of the step through the lateral opening of the access groove, after the terminal is inserted in place, the hanging lug is downwards inserted into the corresponding clamping groove, and finally the screw is screwed down.

Furthermore, the length of the hanging lug extending into the clamping groove is 0.7-0.9 times of the width of the step.

In the technical scheme, the width of the step and the length of the hanging lug extending into the clamping groove are both suitable, so that the hanging lug has enough strength and is not easy to be pulled, deformed and dislocated, and the reliability of the terminal can be ensured.

Further, the height of the step is equal to 1-1.2 times the thickness of the terminal.

In this technical scheme, the terminal that the step height set up can enough avoid the step too high to bring is installed and removed the convenience, also can avoid the step too low and the phenomenon that the hangers that leads to breaks away from the draw-in groove easily.

A third object of the present invention is to provide an access power supply module, so as to solve the technical problem that the terminal in the prior art cannot give consideration to both reliability and convenience of assembly and disassembly.

The access power supply assembly provided by the utility model comprises the terminal and the terminal board, wherein the terminal is fixedly arranged in the access groove through a screw, and the hanging lug is clamped in the corresponding clamping groove or the limiting groove.

According to the access power supply assembly provided by the utility model, the lugs of the terminals can be clamped with the clamping grooves or the limiting grooves of the terminal board, so that the dislocation of the terminals can be limited, and the mounting firmness of the terminals and the reliability of power supply access are ensured; when the terminal is disassembled and assembled, the screw does not need to be completely unscrewed, and the terminal only needs to be screwed to a certain height, so that the convenience is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of a prior art structure of one of the terminals;

fig. 2 is a schematic view showing an assembly structure of one of the terminals and a terminal plate in the prior art;

FIG. 3 is a schematic diagram of a second prior art terminal;

FIG. 4 is a schematic view of an assembly structure of a second terminal and a terminal plate in the prior art;

fig. 5 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a terminal plate provided in an embodiment of the present invention;

fig. 7 is a partial plan view of another terminal plate provided in the embodiment of the present invention;

fig. 8 is a top view of an access power supply assembly provided by an embodiment of the present invention;

fig. 9 is a partial top view of an access power supply assembly provided by an embodiment of the present invention;

fig. 10 is a schematic structural diagram of an access power supply module according to an embodiment of the present invention;

fig. 11 is a second schematic structural diagram of an access power supply module according to the second embodiment of the present invention;

fig. 12 is a third schematic structural diagram of an access power supply assembly according to an embodiment of the present invention.

Description of reference numerals:

a 100' -terminal; 200' -terminal plate; 210' -plate body; 220' -access slot; 300' -screw;

100-terminal; 110-a body; 120-hanging ears; 130-terminal;

200-terminal plate; 210-a plate body; 220-access slot; 230-card slot; 240-step; 250-a limit groove;

300-screw.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The present embodiment provides a terminal 100, as shown in fig. 5, the terminal 100 includes a U-shaped main body 110, two ends of the main body 110 are both provided with a hanging lug 120, and both hanging lugs 120 extend in a direction away from the other end of the main body 110, that is, both hanging lugs 120 extend laterally.

In the terminal 100 provided by the embodiment, the hanging lugs 120 at the two ends of the main body 110 can be clamped with the limiting structures such as the limiting bulges on the terminal board 200, so that when the terminal 100 is connected with a power supply, the terminal is not easy to move in the direction away from the opening of the main body 110 to dislocate, and the reliability is high; when the terminal 100 is disassembled or assembled, similar to a common U-shaped terminal, the screw 300 does not need to be completely unscrewed, and only the screw 300 needs to be unscrewed to a certain height, so that the terminal 100 can be inserted between the nut of the screw 300 and the terminal board 200, and the disassembling and assembling convenience is high.

It should be noted that, in other embodiments of the present application, the main body 110 may have only one end provided with the hanging lug 120, and both reliability and convenience in assembly and disassembly can also be considered.

It should be noted that, in other embodiments of the present application, the hanging lug 120 is not limited to extend laterally, but may also extend downwardly, and at this time, the hanging lug 120 may form a snap connection with the limiting structures such as the limiting groove 250 on the terminal board 200 in fig. 7, so as to effectively avoid dislocation, improve reliability, and also consider the convenience of detachment and installation. Here, "downward" refers to a direction perpendicular to the paper surface inward from the perspective of fig. 7.

It should be noted that, in other embodiments of the present application, the hanging lug 120 is not limited to be disposed at the end of the terminal 100, but may also be disposed at other positions of the two arms of the terminal 100, for example: the two lugs 120 are respectively disposed at the middle portions of the two arms of the terminal 100, that is, the two lugs 120 may be disposed at any position as long as the lugs can be engaged with the slots 230 of the terminal board 200.

As shown in fig. 6, the terminal board 200 of the present embodiment further includes a board body 210, wherein the board body 210 defines at least one access slot 220, and a lateral side of the access slot 220 extends to a sidewall of the board body 210 and forms an opening; the access slot 220 is far away from one end of the opening, the left side wall and the right side wall of the access slot 220 are both provided with a clamping slot 230, the clamping slot 230 penetrates through the upper surface of the board body 210, and the clamping slot 230 is used for correspondingly clamping with the hanging lug 120 of the terminal 100.

In the terminal board 200 provided in this embodiment, the access slot 220 is away from the end of the lateral opening of the access slot 220, the left side wall and the right side wall of the access slot 220 are both provided with the engaging groove 230, and the engaging groove 230 penetrates through the upper surface of the board body 210, so that the terminal 100 extending from the hanging lug 120 to the direction away from the other end of the main body 110 can be mounted on the terminal board 200. That is, the terminal board 200 can be engaged with the terminal 100 having the hanging lug 120 formed at the side thereof, so that the dislocation of the terminal 100 is restricted, and the reliability of the wire connected to the power source is improved. When the terminal 100 is disassembled, firstly, the screw 300 is unscrewed, then the hanging lug 120 is separated from the clamping groove 230, and the terminal 100 is pulled in the direction away from the opening of the main body 110, so that the terminal 100 can be disassembled; when the terminal 100 is mounted, the screw 300 is unscrewed, the terminal 100 is inserted between the nut of the screw 300 and the terminal board 200, after the terminal is inserted in place, the hanging lug 120 is inserted into the slot 230, and then the screw 300 is tightened, which is very convenient.

In addition, since the left and right side walls of the access slot 220 are both provided with the card slots 230, the terminal 100 with the lugs 120 extending laterally can be mounted, and the terminal board 200 can be mounted regardless of whether the terminal 100 with one lug 120 or the terminal 100 with two lugs 120 is provided, and the application range of the terminal board 200 is wide. Of course, in other embodiments of the present application, the access slot 220 may only have the left sidewall provided with the slot 230, or only have the right sidewall provided with the slot 230, at this time, the terminal board 200 may be installed with the terminal 100 having only one end provided with the hanging lug 120, and may also play a role in limiting the terminal 100, thereby ensuring the reliability of the installation of the terminal 100.

It should be noted that in other embodiments of the present application, the bottom of the access slot 220 may be further provided with a limiting groove 250, as shown in fig. 7, at this time, the terminal board 200 may be provided with the terminal 100 extending downward from the hanging lug 120.

It should be noted that in other embodiments of the present application, the card slot 230 is not limited to be disposed at an end of the access slot 220 away from the lateral opening thereof, for example: the card slot 230 may also be disposed in the central portion of the left side wall and the right side wall of the access slot 220, or the limiting groove 250 may also be disposed in the bottom wall of the access slot 220 close to the lateral opening thereof, that is, as long as the card slot 230 can be connected with the hanging lug 120 on the terminal 100 in a clamping manner, the specific disposition position of the card slot 230 or the limiting groove 250 may not be limited in this application.

Specifically, in this embodiment, as shown in fig. 8, the plate body 210 is provided with a plurality of access slots 220, and the minimum thickness h of the partition between two adjacent access slots 220 is not less than the minimum solid insulation thickness.

More specifically, in the present embodiment, the thickness h of the spacer between two adjacent access slots 220 is greater than or equal to 1.8mm, for example: in this embodiment, the terminal board may be made of PBT (Polybutylene terephthalate), the thickness h of the spacer between two adjacent access slots 220 can be as small as 1.8mm, and the thickness h of the spacer can be as small as 2mm in other common materials. With such an arrangement, solid insulation and electrical safety can be ensured, and the number of the access slots 220 in the terminal board 200 is not reduced due to the excessive thickness of the partition plate.

Specifically, in the present embodiment, PBT (Polybutylene terephthalate, also known as polytetramethylene terephthalate) can be used as the material of the terminal plate 200.

Specifically, in this embodiment, the sidewall of the access slot 220, on which the card slot 230 is opened, is provided with a step 240, and the hanging lug 120 can move close to or away from the lateral opening of the access slot 220 by adhering to the upper surface of the step 240. In this arrangement, when the terminal 100 is detached, the upward-screwing height of the screw 300 only needs to be greater than the height of the step 240, so that the terminal 100 can be lifted upwards to disengage the hanging lug 120 of the terminal 100 from the slot 230, and meanwhile, the terminal 100 reaches above the step 240, and the terminal 100 can be pulled out towards the lateral opening of the access slot 220; when the terminal 100 is mounted, the screw 300 is screwed up until the nut is higher than the upper surface of the step 240 by a certain distance, the distance is larger than or equal to the thickness of the terminal 100, the terminal 100 is inserted between the upper surface of the step 240 and the nut by the lateral opening of the access slot 220, the hanging lug 120 is made to follow the upper surface of the step 240, after the terminal 100 is inserted in place, the hanging lug 120 is inserted downwards into the corresponding slot 230, and finally the screw 300 is screwed.

Specifically, in this embodiment, the length d of the hanging lug 120 extending into the slot 230 is 0.7-0.9 times the width w of the step 240, for example: the width w of the step 240 may be 1mm, and the length d of the hanging lug 120 extending into the slot 230 may be 0.8 mm. So set up, the width w of step 240 and the length d that hangers 120 stretched into draw-in groove 230 are all suitable for hangers 120 have sufficient intensity and be difficult for by the tensile deformation dislocation, thereby can guarantee the reliability of terminal 100.

Specifically, in the present embodiment, the height of the step 240 is equal to 1-1.2 times the thickness of the terminal 100. With such an arrangement, not only can the terminal 100 be prevented from being conveniently assembled and disassembled due to the over-height of the step 240, but also the phenomenon that the hanging lug 120 is easily separated from the slot 230 due to the over-low step 240 can be avoided.

The present embodiment further provides an access power supply assembly, as shown in fig. 7-12, the access power supply assembly includes the terminal 100 and the terminal board 200, the terminal 100 is fixedly mounted in the access slot 220 by a screw 300, and the hanging lug 120 is snapped into the corresponding slot 230 or the limiting groove 250.

In the access power supply assembly provided by the embodiment, the hanging lug 120 of the terminal 100 can be clamped with the clamping groove 230 of the terminal board 200, so that the dislocation of the terminal 100 can be limited, and the installation firmness of the terminal 100 and the reliability of power supply access are ensured; when the terminal 100 is disassembled and assembled, the screw 300 does not need to be completely unscrewed, and only needs to be screwed to a certain height, so that the convenience is high.

Finally, it is further noted that, herein, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A terminal, characterized in that it comprises a U-shaped body (110), at least one arm of the body (110) being provided with a lug (120), the lug (120) extending downwards or away from the other arm of the body (110).

2. A terminal according to claim 1, wherein both ends of the main body (110) are provided with the lugs (120), and both lugs (120) extend in a direction away from the other end of the main body (110).

3. The terminal board is characterized by comprising a board body (210), wherein at least one access groove (220) is formed in the board body (210), and the access groove (220) laterally extends to the side wall of the board body (210) and forms an opening;

at least one of the left side wall or the right side wall of the access slot (210) is provided with a clamping slot (230), the clamping slot (230) penetrates through the upper surface of the plate body (210), and the clamping slot (230) is used for correspondingly clamping with the downwardly extending hanging lug (120) of claim 1; or at least one limit groove (250) is arranged at the bottom of the access groove (210), and the limit groove (250) is used for correspondingly clamping with the laterally extending hanging lug (120) in claim 1.

4. The terminal plate according to claim 3, wherein the access slot (220) is provided at an end thereof remote from the opening, and the card slot (230) is opened at each of left and right side walls of the access slot (220).

5. The terminal plate according to claim 3 or 4, wherein the plate body (210) is opened with a plurality of the access grooves (220), and a minimum thickness of the separator between adjacent two of the access grooves (220) is not less than a minimum solid insulation thickness.

6. The terminal plate according to claim 5, wherein a thickness of a spacer between adjacent two of the access grooves (220) is 1.8mm or more.

7. The terminal plate according to claim 4, wherein a step (240) is provided on a side wall of the access slot (220) where the catching groove (230) is opened, and the hanging lug (120) can move in a direction approaching or departing from the opening against an upper surface of the step (240).

8. The terminal plate according to claim 7, wherein the hanging lug (120) protrudes into the catching groove (230) by 0.7-0.9 times the width of the step (240).

9. The terminal plate according to claim 7, wherein the height of the step (240) is equal to 1-1.2 times the thickness of the terminal (100).

10. An access power supply assembly, characterized in that, comprises the terminal (100) of any one of claims 1-2 and the terminal board (200) of any one of claims 3-9, the terminal (100) is fixedly mounted in the access slot (220) by a screw (300), and the hanging lug (120) is clamped in the corresponding slot (230) or the limiting groove (250).