Electricity insulation seat safe to use

Abstract

A safe-to-use electricity insulation seat comprises a base, a lower contact piece and an upper contact piece, the lower contact piece and the upper contact piece are installed on the base, the upper end face of the base is recessed to form a contact cavity, the contact cavity is further provided with an opening in the side end face of the base, the lower contact piece is fixed to the inner bottom face of the contact cavity, and the rear side of the lower contact piece is bent to be connected with a first connecting pin. The upper contact piece is fixed on the upper side of the base, the left side and the right side of the upper contact piece are both bent and connected with second connecting pins, the middle of the upper contact piece is further bent and connected with an elastic abutting pin, and the elastic abutting pin is matched with the lower contact piece in an elastic abutting mode. According to the utility model, the base is arranged, and the elastic contact pin and the lower contact piece are matched in the contact cavity, so that when the insulating part is inserted, the acting force of the insulating part on the upper contact piece and the lower contact piece can be dispersed on the base, and the connection stability of the lower contact piece, the upper contact piece and the circuit board is ensured; the structure is reasonable, the service life is long, and the purpose of safe use is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic components technical field, especially a safe use's electric isolation seat. BACKGROUND

[0002] At present, most electric isolation seats adopt the form that two contact sheets contact each other and are welded on the circuit board, and the power supply to the circuit board can be disconnected by disconnecting the contact of the two contact sheets, but in the above structure, the two contact sheets are directly welded on the circuit board without passing through a carrier, and the effect generated in the insertion process of the external insulating part will directly act on the two contact sheets, therefore, the connection of the two contact sheets with the circuit board will be unstable, the service life of the product will be short, the product will not be safe to use, and the structure design is unreasonable. SUMMARY

[0003] In view of the defects in the prior art, the utility model aims at providing an electric isolation seat which is reasonable in structure, long in service life and safe to use.

[0004] The utility model discloses a safe use's electric isolation seat, including base and the lower contact sheet and upper contact sheet of installing on the base, the upper end surface of the base is recessed and forms the contact cavity, the contact cavity is still formed and opens on the side end surface of the base, the lower contact sheet is fixed on the inner bottom surface of the contact cavity, the rear side of the lower contact sheet is bent and is connected with first connecting foot, the upper contact sheet is fixed on the upside of the base, the left and right sides of the upper contact sheet are bent and are connected with second connecting foot, the middle part of the upper contact sheet is still bent and is connected with the elastic resistance foot, the overhanging end of the elastic resistance foot is in the contact cavity and is set back and extends and is elastically contacted with the lower contact sheet.

[0005] The advantages of the above technical scheme are as follows: the lower contact sheet and the upper contact sheet are electrically connected with the circuit board through the first connecting foot and the second connecting foot, and during the operation, when the insulating part is not inserted, the elastic resistance foot on the upper contact sheet will be elastically contacted with the lower contact sheet, thereby stably supplying power to the circuit board, when the insulating part is inserted, the elastic resistance foot on the upper contact sheet will be disconnected from the lower contact sheet, thereby disconnecting the power supply to the circuit board, meanwhile, by arranging the base, the elastic resistance foot on the upper contact sheet and the lower contact sheet are matched in the contact cavity of the base, when the insulating part is inserted, the force generated by the insulating part on the upper contact sheet and the lower contact sheet will be dispersed to the base, therefore, the base improves the stability of the connection of the lower contact sheet, the upper contact sheet and the circuit board, the overall structure is reasonable, long in service life and safe to use.

[0006] Further, a first through portion is arranged on the bottom surface of the contact cavity, and the first connecting foot extends to the outside of the bottom end of the base at the first through portion.

[0007] The advantage of the above technical solution is that when the lower contact sheet is installed, the first connecting leg and the first through portion are matched to position the lower contact sheet in the contact cavity of the base, ensuring the installation accuracy of the lower contact sheet and making the connection of the first connecting leg and the circuit board safe and stable.

[0008] Further, the second through portion is arranged on the bottom surface of the contact cavity on the left and right sides of the lower contact sheet, and a pair of clamping legs are connected to the corresponding side of the lower contact sheet.

[0009] The advantage of the above technical solution is that when the lower contact sheet is installed, the clamping leg and the second through portion are matched to position the lower contact sheet in the contact cavity of the base more accurately and stably, making the connection of the first connecting leg and the circuit board more safe and stable, and the structure design more reasonable.

[0010] Further, the left and right sides of the upper contact sheet are both connected with the plug-in plate, the second connecting leg is arranged on the bottom of the plug-in plate, and the third through portion is formed on the left and right sides of the upper contact sheet.

[0011] The advantage of the above technical solution is that the upper contact sheet is provided with the plug-in plate connected on both sides, and the third through portion is arranged on the corresponding position of the base, and the plug-in plate and the third through portion are matched to position the elastic contact leg of the upper contact sheet in the contact cavity of the base, ensuring the reliable contact between the elastic contact leg of the upper contact sheet and the lower contact sheet.

[0012] Further, the third through portion is connected with the side surface of the base and both side walls are formed with the plug-in slot, the plug-in slot is matched with the plug-in plate, and the side wall of the third through portion is provided with the fixing block outside the plug-in slot.

[0013] The advantage of the above technical solution is that the plug-in plate and the base are matched by the two plug-in slots on the side wall of the third through portion, which can realize the quick installation of the upper contact sheet on the base, is convenient and fast, and the third through portion is connected with the side surface of the base, and the fixing block is arranged to reduce the use cost of the base while ensuring the stability of the installation, and the structure design is reasonable.

[0014] Further, the plug-in plate is also connected with the elastic clamping sheet, and the elastic clamping sheet is matched with the wall surface of the third through portion.

[0015] The advantages of the above technical scheme are that: the elastic clamping piece is arranged, when the plug plate and the base are inserted and matched through the insertion groove, the elastic clamping piece is also clamped on the wall surface of the third through portion, so that the installation of the upper contact piece is more firm, and the structure design is reasonable.

[0016] Further, the overhanging end of the elastic contact foot is provided with an arc-shaped bending structure, and a contact portion is arranged at the contact position.

[0017] The advantages of the above technical scheme are that: the overhanging end of the elastic contact foot is provided with an arc-shaped bending structure, so that the elastic effect of the elastic contact foot is better, and the contact between the elastic contact foot and the lower contact piece is also more stable.

[0018] Further, the overhanging end of the elastic contact foot is provided with an arc-shaped bending structure, and a contact portion is arranged at the contact position.

[0019] The advantages of the above technical scheme are that: the overhanging end of the elastic contact foot is provided with an arc-shaped bending structure, so that the elastic effect of the elastic contact foot is better, and the contact between the elastic contact foot and the lower contact piece is also more stable. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a whole structure schematic view of the utility model;

[0021] Fig. 2 It is a base structure schematic view of the utility model;

[0022] Fig. 3 It is a lower contact piece structure schematic view of the utility model;

[0023] Fig. 4 It is an upper contact piece structure schematic view of the utility model.

[0024] In the drawing: 1-base, 2-lower contact piece, 3-upper contact piece, 4-contact cavity, 5-first connecting leg, 6-second connecting leg, 7-elastic contact foot, 8-first through portion, 9-second through portion, 10-clamping leg, 11-plug plate, 12-third through portion, 13-insertion groove, 14-fixing block, 15-elastic clamping piece, 16-contact portion. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the technical scheme in the embodiments of the utility model and / or the prior art, specific implementation manners of the utility model will be described below with reference to the drawings. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating creative labor, and other implementation manners can also be obtained. In addition, the direction belongs to only indicating the relative position relationship between the components, not the absolute position relationship.

[0026] Please refer to Figs. 1 to 4 As shown in the drawings, a safe-to-use electrically isolated seat comprises a base 1, a lower contact piece 2 and an upper contact piece 3 installed on the base 1, the upper end surface of the base 1 is recessed to form a contact cavity 4, the contact cavity 4 is also formed with an opening on the side end surface of the base 1, the opening is used for inserting an external insulating piece into the contact cavity 4, the lower contact piece 2 is fixed to the inner bottom surface of the contact cavity 4, the rear side of the lower contact piece 2 is bent to be connected with a first connecting leg 5, the first connecting leg 5 is used for connecting with the power supply of a circuit board, the upper contact piece 3 is fixed to the upper side of the base 1, the left and right sides of the upper contact piece 3 are both bent to be connected with a second connecting leg 6, the second connecting leg 6 is used for connecting with the power supply of the circuit board, and the two second connecting legs 6 are used to make the installation of the electrically isolated seat more stable, and the middle part of the upper contact piece 3 is also bent to be connected with an elastic abutting leg 7, it is necessary to point out that the middle part of the upper contact piece 3 will form a hollow part, the elastic abutting leg 7 is connected in the hollow part, and the free end of the elastic abutting leg 7 is arranged to extend rearward in the contact cavity 4 and elastically abut against the lower contact piece 2. In the above scheme, the lower contact piece 2 and the upper contact piece 3 are electrically connected with the circuit board through the first connecting leg 5 and the second connecting leg 6, and in the working process, when the insulating piece is not inserted, the elastic abutting leg 7 on the upper contact piece 3 will keep the elastic abutting cooperation with the lower contact piece 2, thereby stably supplying power to the circuit board, and when the insulating piece is inserted, the elastic abutting leg 7 on the upper contact piece 3 will be disconnected from the elastic abutting of the lower contact piece 2, thereby disconnecting the power supply to the circuit board, and at the same time, by arranging the base 1, the elastic abutting leg 7 on the upper contact piece 3 and the lower contact piece 2 are arranged to cooperate in the contact cavity 4 of the base 1, when the insulating piece is inserted, the force generated by the insulating piece on the upper contact piece 3 and the lower contact piece 2 will be dispersed to the base 1, so that the base 1 improves the connection stability of the lower contact piece 2, the upper contact piece 3 and the circuit board, the overall structure is reasonable, the service life is long, and the safe-to-use purpose is achieved.

[0027] In the embodiment, a first through part 8 is arranged on the bottom surface of the contact cavity 4, the first connecting leg 5 extends out of the bottom end of the base 1 at the first through part 5, when the lower contact piece 2 is installed, the position of the lower contact piece 2 in the contact cavity 4 of the base 1 can be positioned through the cooperation of the first connecting leg 5 and the first through part 8, that is, the first connecting leg 5 also has the function of installation, so as to ensure the installation accuracy of the lower contact piece 2 and make the connection of the first connecting leg 5 and the circuit board safe and stable.

[0028] In the embodiment, the bottom surface of the contact cavity 4 is provided with a second through portion 9 on the left and right sides of the lower contact piece 2, and a pair of clamping feet 10 are connected to the corresponding side of the lower contact piece 2 by bending, and the clamping feet 10 are clamped with the second through portion 9. When the lower contact piece 2 is installed, the clamping feet 10 are clamped on the wall surface of the second through portion 9, so that the position of the lower contact piece 2 in the contact cavity 4 of the base 1 is more accurate and stable, and the connection between the first connecting feet 5 and the circuit board is more secure and stable. At the same time, the second through portion 9 adopts a through structure, which reduces the molding cost of the base 1 and makes the structure design more reasonable.

[0029] In the embodiment, the left and right sides of the upper contact piece 3 are both connected to the plug-in board 11 by bending, and the second connecting feet 6 are arranged on the bottom of the plug-in board 11. The base 1 is also provided with a third through portion 12 on the left and right sides of the upper contact piece 3, and the plug-in board 11 is clamped with the third through portion 12. In the above structure, the plug-in board 11 is arranged on the left and right sides of the upper contact piece 3 by bending, and the third through portion 12 is arranged on the corresponding position of the base 1. The position of the elastic contact feet 7 of the upper contact piece 3 in the contact cavity 4 of the base 1 is positioned by clamping the plug-in board 11 and the third through portion 12, which ensures the reliable contact between the elastic contact feet 7 of the upper contact piece 3 and the lower contact piece 2.

[0030] In the embodiment, the third through portion 12 is connected to the side surface of the base 1 and is provided with a plug-in slot 13 on the two side walls. The plug-in slot 13 is clamped with the plug-in board 11, and the side wall of the third through portion 12 is provided with a fixing block 14 outside the plug-in slot 13. The plug-in board 11 and the base 1 are mutually inserted and matched through the two plug-in slots 13 on the side wall of the third through portion 12, which can realize the purpose of quickly installing the upper contact piece 3 on the base 1. It is convenient and fast. At the same time, the third through portion 12 is connected to the side surface of the base 1, and the fixing block 14 is arranged, which reduces the use cost of the base 1 and ensures the stability of the installation, and the structure design is reasonable.

[0031] In the embodiment, the plug-in board 11 is also connected to the elastic clamping piece 15, and the elastic clamping piece 15 is clamped with the wall surface of the third through portion 12. It should be noted that the plug-in board 11 is also provided with a hollow portion at the corresponding position, and the elastic clamping piece 15 is connected to the hollow portion. When the plug-in board 11 and the base 1 are mutually inserted and matched through the plug-in slot 13, the elastic clamping piece 15 is also clamped on the wall surface of the third through portion 12, so that the installation of the upper contact piece 3 is more firm, and the structure design is reasonable.

[0032] In the embodiment, the overhanging end of the elastic contact foot 7 is provided with an arc-shaped bending structure, and a contact portion 16 is provided on the contact position, the contact portion 16 is a protruding strip formed by punching, the overhanging end of the elastic contact foot 7 is provided with the arc-shaped bending structure, so that the elastic effect of the elastic contact foot 7 is better, and the contact between the elastic contact foot 7 and the lower contact sheet 2 is more stable due to the provision of the contact portion 16.

[0033] In the embodiment, the end of the first connecting foot 5 is provided with a horizontal outward bending structure, and the ends of the two second connecting feet 6 are provided with horizontal outward bending structures, the ends of the first connecting foot 5 and the second connecting feet 6 are provided with the horizontal bending structures, so that the patch connection between the electrically isolated seat and the circuit board can be realized, and the maintenance is more convenient, it should be noted that corresponding bending avoidance grooves will be formed on the bottom end surface of the base 1, after the first connecting foot 5 is installed through the first through portion 8, the external bending tool realizes the horizontal bending of the first connecting foot 5 in the bending avoidance grooves.

[0034] In the embodiment, the lower contact sheet 2 and the upper contact sheet 3 are both integrally formed.

[0035] The above is a further detailed description of the utility model in combination with the specific preferred embodiments, and the specific implementation of the utility model cannot be limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, some simple deductions or substitutions can be made without departing from the concept of the utility model, and all of them should be regarded as belonging to the protection range of the utility model.

Claims

1. A safety used isolating socket, characterized in that: The utility model provides a contact piece, including base (1), and the lower contact piece (2) and upper contact piece (3) are installed on base (1), the upper end surface of base (1) is recessed and forms contact cavity (4), the contact cavity (4) is also formed on the side end surface of base (1) open, the lower contact piece (2) is fixed on the inner bottom surface of contact cavity (4), the rear side of lower contact piece (2) is bent and is connected with first connecting leg (5), the upper contact piece (3) is fixed on the upside of base (1), the left and right sides of upper contact piece (3) are bent and are connected with second connecting leg (6), the middle part of upper contact piece (3) is also bent and is connected with elastic resistance contact leg (7), and the overhanging end of elastic resistance contact leg (7) is arranged in contact cavity (4) and extends to the back and is in elastic resistance contact with lower contact piece (2).

2. A safety used isolating socket according to claim 1, characterized in that: The bottom surface of contact cavity (4) is provided with first through part (8), and first connecting leg (5) extends to the bottom end outside base (1) at first through part (8).

3. A safety-to-use isolating base according to claim 1 or 2, characterized in that: The bottom surface of contact cavity (4) is provided with second through part (9) on the left and right sides of lower contact piece (2) respectively, and the corresponding side of lower contact piece (2) is bent and is connected with a pair of clamping legs (10), and clamping leg (10) is matched with second through part (9).

4. A safety used isolating socket according to claim 1, characterized in that: The left and right sides of upper contact piece (3) are bent and are connected with plugboard (11), and second connecting leg (6) is arranged on the bottom of plugboard (11), and the left and right sides of base (1) are also formed with third through part (12) on the left and right sides of upper contact piece (3), and plugboard (11) is matched with third through part (12).

5. A safety used isolating seat according to claim 4, characterized in that: The left and right sides of third through part (12) are communicated with the side of base (1) and are formed with plug-in slot (13) on the two side wall surfaces, plug-in slot (13) is matched with plugboard (11), and the side wall surface of third through part (12) is also provided with fixed block (14) on the outside of plug-in slot (13).

6. A safety used isolating seat according to claim 5, characterized in that: Plugboard (11) is also connected with elastic clamping piece (15), and elastic clamping piece (15) is clamped with the wall surface of third through part (12).

7. A safety used isolating seat according to claim 1, characterized in that: The overhanging end of elastic resistance contact leg (7) is provided with contact part (16) in the form of arc bending structure.

8. A safety used isolating seat according to claim 1, characterized in that: The end of first connecting leg (5) is horizontally outward bent, and the end of second connecting leg (6) is horizontally outward bent.

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